From 7317d7b0f461c21632f3059c91646bbece7fcc52 Mon Sep 17 00:00:00 2001 From: parsonsmatt Date: Tue, 3 Oct 2023 17:15:30 -0700 Subject: [PATCH 1/2] Upgrade Sqlite Amalgamation --- .github/workflows/haskell.yml | 2 - persistent-sqlite/cbits/sqlite3.c | 53349 +++++++++++++++++++--------- persistent-sqlite/cbits/sqlite3.h | 1392 +- 3 files changed, 37989 insertions(+), 16754 deletions(-) diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml index 455f485f8..ed1a0634d 100644 --- a/.github/workflows/haskell.yml +++ b/.github/workflows/haskell.yml @@ -88,6 +88,4 @@ jobs: - run: cabal v2-build all --disable-optimization $CONFIG - run: cabal v2-test all --disable-optimization $CONFIG --test-options "--fail-on-focus" - run: cabal v2-bench all --disable-optimization $CONFIG - - run: cabal v2-haddock all $CONFIG - continue-on-error: true - run: cabal v2-sdist all diff --git a/persistent-sqlite/cbits/sqlite3.c b/persistent-sqlite/cbits/sqlite3.c index 50b5acdd9..1884b0823 100644 --- a/persistent-sqlite/cbits/sqlite3.c +++ b/persistent-sqlite/cbits/sqlite3.c @@ -1,6 +1,6 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.33.0. By combining all the individual C code files into this +** version 3.43.1. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -16,777 +16,15 @@ ** if you want a wrapper to interface SQLite with your choice of programming ** language. The code for the "sqlite3" command-line shell is also in a ** separate file. This file contains only code for the core SQLite library. +** +** The content in this amalgamation comes from Fossil check-in +** d3a40c05c49e1a49264912b1a05bc2143ac. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 #ifndef SQLITE_PRIVATE # define SQLITE_PRIVATE static #endif -/************** Begin file ctime.c *******************************************/ -/* -** 2010 February 23 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** -** This file implements routines used to report what compile-time options -** SQLite was built with. -*/ - -#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS /* IMP: R-16824-07538 */ - -/* -** Include the configuration header output by 'configure' if we're using the -** autoconf-based build -*/ -#if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) -#include "config.h" -#define SQLITECONFIG_H 1 -#endif - -/* These macros are provided to "stringify" the value of the define -** for those options in which the value is meaningful. */ -#define CTIMEOPT_VAL_(opt) #opt -#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) - -/* Like CTIMEOPT_VAL, but especially for SQLITE_DEFAULT_LOOKASIDE. This -** option requires a separate macro because legal values contain a single -** comma. e.g. (-DSQLITE_DEFAULT_LOOKASIDE="100,100") */ -#define CTIMEOPT_VAL2_(opt1,opt2) #opt1 "," #opt2 -#define CTIMEOPT_VAL2(opt) CTIMEOPT_VAL2_(opt) - -/* -** An array of names of all compile-time options. This array should -** be sorted A-Z. -** -** This array looks large, but in a typical installation actually uses -** only a handful of compile-time options, so most times this array is usually -** rather short and uses little memory space. -*/ -static const char * const sqlite3azCompileOpt[] = { - -/* -** BEGIN CODE GENERATED BY tool/mkctime.tcl -*/ -#if SQLITE_32BIT_ROWID - "32BIT_ROWID", -#endif -#if SQLITE_4_BYTE_ALIGNED_MALLOC - "4_BYTE_ALIGNED_MALLOC", -#endif -#if SQLITE_64BIT_STATS - "64BIT_STATS", -#endif -#if SQLITE_ALLOW_COVERING_INDEX_SCAN - "ALLOW_COVERING_INDEX_SCAN", -#endif -#if SQLITE_ALLOW_URI_AUTHORITY - "ALLOW_URI_AUTHORITY", -#endif -#ifdef SQLITE_BITMASK_TYPE - "BITMASK_TYPE=" CTIMEOPT_VAL(SQLITE_BITMASK_TYPE), -#endif -#if SQLITE_BUG_COMPATIBLE_20160819 - "BUG_COMPATIBLE_20160819", -#endif -#if SQLITE_CASE_SENSITIVE_LIKE - "CASE_SENSITIVE_LIKE", -#endif -#if SQLITE_CHECK_PAGES - "CHECK_PAGES", -#endif -#if defined(__clang__) && defined(__clang_major__) - "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." - CTIMEOPT_VAL(__clang_minor__) "." - CTIMEOPT_VAL(__clang_patchlevel__), -#elif defined(_MSC_VER) - "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), -#elif defined(__GNUC__) && defined(__VERSION__) - "COMPILER=gcc-" __VERSION__, -#endif -#if SQLITE_COVERAGE_TEST - "COVERAGE_TEST", -#endif -#if SQLITE_DEBUG - "DEBUG", -#endif -#if SQLITE_DEFAULT_AUTOMATIC_INDEX - "DEFAULT_AUTOMATIC_INDEX", -#endif -#if SQLITE_DEFAULT_AUTOVACUUM - "DEFAULT_AUTOVACUUM", -#endif -#ifdef SQLITE_DEFAULT_CACHE_SIZE - "DEFAULT_CACHE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_CACHE_SIZE), -#endif -#if SQLITE_DEFAULT_CKPTFULLFSYNC - "DEFAULT_CKPTFULLFSYNC", -#endif -#ifdef SQLITE_DEFAULT_FILE_FORMAT - "DEFAULT_FILE_FORMAT=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_FORMAT), -#endif -#ifdef SQLITE_DEFAULT_FILE_PERMISSIONS - "DEFAULT_FILE_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_PERMISSIONS), -#endif -#if SQLITE_DEFAULT_FOREIGN_KEYS - "DEFAULT_FOREIGN_KEYS", -#endif -#ifdef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT - "DEFAULT_JOURNAL_SIZE_LIMIT=" CTIMEOPT_VAL(SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT), -#endif -#ifdef SQLITE_DEFAULT_LOCKING_MODE - "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), -#endif -#ifdef SQLITE_DEFAULT_LOOKASIDE - "DEFAULT_LOOKASIDE=" CTIMEOPT_VAL2(SQLITE_DEFAULT_LOOKASIDE), -#endif -#if SQLITE_DEFAULT_MEMSTATUS - "DEFAULT_MEMSTATUS", -#endif -#ifdef SQLITE_DEFAULT_MMAP_SIZE - "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), -#endif -#ifdef SQLITE_DEFAULT_PAGE_SIZE - "DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_PAGE_SIZE), -#endif -#ifdef SQLITE_DEFAULT_PCACHE_INITSZ - "DEFAULT_PCACHE_INITSZ=" CTIMEOPT_VAL(SQLITE_DEFAULT_PCACHE_INITSZ), -#endif -#ifdef SQLITE_DEFAULT_PROXYDIR_PERMISSIONS - "DEFAULT_PROXYDIR_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_PROXYDIR_PERMISSIONS), -#endif -#if SQLITE_DEFAULT_RECURSIVE_TRIGGERS - "DEFAULT_RECURSIVE_TRIGGERS", -#endif -#ifdef SQLITE_DEFAULT_ROWEST - "DEFAULT_ROWEST=" CTIMEOPT_VAL(SQLITE_DEFAULT_ROWEST), -#endif -#ifdef SQLITE_DEFAULT_SECTOR_SIZE - "DEFAULT_SECTOR_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_SECTOR_SIZE), -#endif -#ifdef SQLITE_DEFAULT_SYNCHRONOUS - "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), -#endif -#ifdef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT - "DEFAULT_WAL_AUTOCHECKPOINT=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_AUTOCHECKPOINT), -#endif -#ifdef SQLITE_DEFAULT_WAL_SYNCHRONOUS - "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), -#endif -#ifdef SQLITE_DEFAULT_WORKER_THREADS - "DEFAULT_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WORKER_THREADS), -#endif -#if SQLITE_DIRECT_OVERFLOW_READ - "DIRECT_OVERFLOW_READ", -#endif -#if SQLITE_DISABLE_DIRSYNC - "DISABLE_DIRSYNC", -#endif -#if SQLITE_DISABLE_FTS3_UNICODE - "DISABLE_FTS3_UNICODE", -#endif -#if SQLITE_DISABLE_FTS4_DEFERRED - "DISABLE_FTS4_DEFERRED", -#endif -#if SQLITE_DISABLE_INTRINSIC - "DISABLE_INTRINSIC", -#endif -#if SQLITE_DISABLE_LFS - "DISABLE_LFS", -#endif -#if SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS - "DISABLE_PAGECACHE_OVERFLOW_STATS", -#endif -#if SQLITE_DISABLE_SKIPAHEAD_DISTINCT - "DISABLE_SKIPAHEAD_DISTINCT", -#endif -#ifdef SQLITE_ENABLE_8_3_NAMES - "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), -#endif -#if SQLITE_ENABLE_API_ARMOR - "ENABLE_API_ARMOR", -#endif -#if SQLITE_ENABLE_ATOMIC_WRITE - "ENABLE_ATOMIC_WRITE", -#endif -#if SQLITE_ENABLE_BATCH_ATOMIC_WRITE - "ENABLE_BATCH_ATOMIC_WRITE", -#endif -#if SQLITE_ENABLE_BYTECODE_VTAB - "ENABLE_BYTECODE_VTAB", -#endif -#if SQLITE_ENABLE_CEROD - "ENABLE_CEROD=" CTIMEOPT_VAL(SQLITE_ENABLE_CEROD), -#endif -#if SQLITE_ENABLE_COLUMN_METADATA - "ENABLE_COLUMN_METADATA", -#endif -#if SQLITE_ENABLE_COLUMN_USED_MASK - "ENABLE_COLUMN_USED_MASK", -#endif -#if SQLITE_ENABLE_COSTMULT - "ENABLE_COSTMULT", -#endif -#if SQLITE_ENABLE_CURSOR_HINTS - "ENABLE_CURSOR_HINTS", -#endif -#if SQLITE_ENABLE_DBSTAT_VTAB - "ENABLE_DBSTAT_VTAB", -#endif -#if SQLITE_ENABLE_EXPENSIVE_ASSERT - "ENABLE_EXPENSIVE_ASSERT", -#endif -#if SQLITE_ENABLE_FTS1 - "ENABLE_FTS1", -#endif -#if SQLITE_ENABLE_FTS2 - "ENABLE_FTS2", -#endif -#if SQLITE_ENABLE_FTS3 - "ENABLE_FTS3", -#endif -#if SQLITE_ENABLE_FTS3_PARENTHESIS - "ENABLE_FTS3_PARENTHESIS", -#endif -#if SQLITE_ENABLE_FTS3_TOKENIZER - "ENABLE_FTS3_TOKENIZER", -#endif -#if SQLITE_ENABLE_FTS4 - "ENABLE_FTS4", -#endif -#if SQLITE_ENABLE_FTS5 - "ENABLE_FTS5", -#endif -#if SQLITE_ENABLE_GEOPOLY - "ENABLE_GEOPOLY", -#endif -#if SQLITE_ENABLE_HIDDEN_COLUMNS - "ENABLE_HIDDEN_COLUMNS", -#endif -#if SQLITE_ENABLE_ICU - "ENABLE_ICU", -#endif -#if SQLITE_ENABLE_IOTRACE - "ENABLE_IOTRACE", -#endif -#if SQLITE_ENABLE_JSON1 - "ENABLE_JSON1", -#endif -#if SQLITE_ENABLE_LOAD_EXTENSION - "ENABLE_LOAD_EXTENSION", -#endif -#ifdef SQLITE_ENABLE_LOCKING_STYLE - "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), -#endif -#if SQLITE_ENABLE_MEMORY_MANAGEMENT - "ENABLE_MEMORY_MANAGEMENT", -#endif -#if SQLITE_ENABLE_MEMSYS3 - "ENABLE_MEMSYS3", -#endif -#if SQLITE_ENABLE_MEMSYS5 - "ENABLE_MEMSYS5", -#endif -#if SQLITE_ENABLE_MULTIPLEX - "ENABLE_MULTIPLEX", -#endif -#if SQLITE_ENABLE_NORMALIZE - "ENABLE_NORMALIZE", -#endif -#if SQLITE_ENABLE_NULL_TRIM - "ENABLE_NULL_TRIM", -#endif -#if SQLITE_ENABLE_OVERSIZE_CELL_CHECK - "ENABLE_OVERSIZE_CELL_CHECK", -#endif -#if SQLITE_ENABLE_PREUPDATE_HOOK - "ENABLE_PREUPDATE_HOOK", -#endif -#if SQLITE_ENABLE_QPSG - "ENABLE_QPSG", -#endif -#if SQLITE_ENABLE_RBU - "ENABLE_RBU", -#endif -#if SQLITE_ENABLE_RTREE - "ENABLE_RTREE", -#endif -#if SQLITE_ENABLE_SELECTTRACE - "ENABLE_SELECTTRACE", -#endif -#if SQLITE_ENABLE_SESSION - "ENABLE_SESSION", -#endif -#if SQLITE_ENABLE_SNAPSHOT - "ENABLE_SNAPSHOT", -#endif -#if SQLITE_ENABLE_SORTER_REFERENCES - "ENABLE_SORTER_REFERENCES", -#endif -#if SQLITE_ENABLE_SQLLOG - "ENABLE_SQLLOG", -#endif -#if defined(SQLITE_ENABLE_STAT4) - "ENABLE_STAT4", -#endif -#if SQLITE_ENABLE_STMTVTAB - "ENABLE_STMTVTAB", -#endif -#if SQLITE_ENABLE_STMT_SCANSTATUS - "ENABLE_STMT_SCANSTATUS", -#endif -#if SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION - "ENABLE_UNKNOWN_SQL_FUNCTION", -#endif -#if SQLITE_ENABLE_UNLOCK_NOTIFY - "ENABLE_UNLOCK_NOTIFY", -#endif -#if SQLITE_ENABLE_UPDATE_DELETE_LIMIT - "ENABLE_UPDATE_DELETE_LIMIT", -#endif -#if SQLITE_ENABLE_URI_00_ERROR - "ENABLE_URI_00_ERROR", -#endif -#if SQLITE_ENABLE_VFSTRACE - "ENABLE_VFSTRACE", -#endif -#if SQLITE_ENABLE_WHERETRACE - "ENABLE_WHERETRACE", -#endif -#if SQLITE_ENABLE_ZIPVFS - "ENABLE_ZIPVFS", -#endif -#if SQLITE_EXPLAIN_ESTIMATED_ROWS - "EXPLAIN_ESTIMATED_ROWS", -#endif -#if SQLITE_EXTRA_IFNULLROW - "EXTRA_IFNULLROW", -#endif -#ifdef SQLITE_EXTRA_INIT - "EXTRA_INIT=" CTIMEOPT_VAL(SQLITE_EXTRA_INIT), -#endif -#ifdef SQLITE_EXTRA_SHUTDOWN - "EXTRA_SHUTDOWN=" CTIMEOPT_VAL(SQLITE_EXTRA_SHUTDOWN), -#endif -#ifdef SQLITE_FTS3_MAX_EXPR_DEPTH - "FTS3_MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_FTS3_MAX_EXPR_DEPTH), -#endif -#if SQLITE_FTS5_ENABLE_TEST_MI - "FTS5_ENABLE_TEST_MI", -#endif -#if SQLITE_FTS5_NO_WITHOUT_ROWID - "FTS5_NO_WITHOUT_ROWID", -#endif -#if HAVE_ISNAN || SQLITE_HAVE_ISNAN - "HAVE_ISNAN", -#endif -#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX - "HOMEGROWN_RECURSIVE_MUTEX", -#endif -#if SQLITE_IGNORE_AFP_LOCK_ERRORS - "IGNORE_AFP_LOCK_ERRORS", -#endif -#if SQLITE_IGNORE_FLOCK_LOCK_ERRORS - "IGNORE_FLOCK_LOCK_ERRORS", -#endif -#if SQLITE_INLINE_MEMCPY - "INLINE_MEMCPY", -#endif -#if SQLITE_INT64_TYPE - "INT64_TYPE", -#endif -#ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX - "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), -#endif -#if SQLITE_LIKE_DOESNT_MATCH_BLOBS - "LIKE_DOESNT_MATCH_BLOBS", -#endif -#if SQLITE_LOCK_TRACE - "LOCK_TRACE", -#endif -#if SQLITE_LOG_CACHE_SPILL - "LOG_CACHE_SPILL", -#endif -#ifdef SQLITE_MALLOC_SOFT_LIMIT - "MALLOC_SOFT_LIMIT=" CTIMEOPT_VAL(SQLITE_MALLOC_SOFT_LIMIT), -#endif -#ifdef SQLITE_MAX_ATTACHED - "MAX_ATTACHED=" CTIMEOPT_VAL(SQLITE_MAX_ATTACHED), -#endif -#ifdef SQLITE_MAX_COLUMN - "MAX_COLUMN=" CTIMEOPT_VAL(SQLITE_MAX_COLUMN), -#endif -#ifdef SQLITE_MAX_COMPOUND_SELECT - "MAX_COMPOUND_SELECT=" CTIMEOPT_VAL(SQLITE_MAX_COMPOUND_SELECT), -#endif -#ifdef SQLITE_MAX_DEFAULT_PAGE_SIZE - "MAX_DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_DEFAULT_PAGE_SIZE), -#endif -#ifdef SQLITE_MAX_EXPR_DEPTH - "MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_EXPR_DEPTH), -#endif -#ifdef SQLITE_MAX_FUNCTION_ARG - "MAX_FUNCTION_ARG=" CTIMEOPT_VAL(SQLITE_MAX_FUNCTION_ARG), -#endif -#ifdef SQLITE_MAX_LENGTH - "MAX_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LENGTH), -#endif -#ifdef SQLITE_MAX_LIKE_PATTERN_LENGTH - "MAX_LIKE_PATTERN_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LIKE_PATTERN_LENGTH), -#endif -#ifdef SQLITE_MAX_MEMORY - "MAX_MEMORY=" CTIMEOPT_VAL(SQLITE_MAX_MEMORY), -#endif -#ifdef SQLITE_MAX_MMAP_SIZE - "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), -#endif -#ifdef SQLITE_MAX_MMAP_SIZE_ - "MAX_MMAP_SIZE_=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE_), -#endif -#ifdef SQLITE_MAX_PAGE_COUNT - "MAX_PAGE_COUNT=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_COUNT), -#endif -#ifdef SQLITE_MAX_PAGE_SIZE - "MAX_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_SIZE), -#endif -#ifdef SQLITE_MAX_SCHEMA_RETRY - "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), -#endif -#ifdef SQLITE_MAX_SQL_LENGTH - "MAX_SQL_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_SQL_LENGTH), -#endif -#ifdef SQLITE_MAX_TRIGGER_DEPTH - "MAX_TRIGGER_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_TRIGGER_DEPTH), -#endif -#ifdef SQLITE_MAX_VARIABLE_NUMBER - "MAX_VARIABLE_NUMBER=" CTIMEOPT_VAL(SQLITE_MAX_VARIABLE_NUMBER), -#endif -#ifdef SQLITE_MAX_VDBE_OP - "MAX_VDBE_OP=" CTIMEOPT_VAL(SQLITE_MAX_VDBE_OP), -#endif -#ifdef SQLITE_MAX_WORKER_THREADS - "MAX_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_MAX_WORKER_THREADS), -#endif -#if SQLITE_MEMDEBUG - "MEMDEBUG", -#endif -#if SQLITE_MIXED_ENDIAN_64BIT_FLOAT - "MIXED_ENDIAN_64BIT_FLOAT", -#endif -#if SQLITE_MMAP_READWRITE - "MMAP_READWRITE", -#endif -#if SQLITE_MUTEX_NOOP - "MUTEX_NOOP", -#endif -#if SQLITE_MUTEX_NREF - "MUTEX_NREF", -#endif -#if SQLITE_MUTEX_OMIT - "MUTEX_OMIT", -#endif -#if SQLITE_MUTEX_PTHREADS - "MUTEX_PTHREADS", -#endif -#if SQLITE_MUTEX_W32 - "MUTEX_W32", -#endif -#if SQLITE_NEED_ERR_NAME - "NEED_ERR_NAME", -#endif -#if SQLITE_NOINLINE - "NOINLINE", -#endif -#if SQLITE_NO_SYNC - "NO_SYNC", -#endif -#if SQLITE_OMIT_ALTERTABLE - "OMIT_ALTERTABLE", -#endif -#if SQLITE_OMIT_ANALYZE - "OMIT_ANALYZE", -#endif -#if SQLITE_OMIT_ATTACH - "OMIT_ATTACH", -#endif -#if SQLITE_OMIT_AUTHORIZATION - "OMIT_AUTHORIZATION", -#endif -#if SQLITE_OMIT_AUTOINCREMENT - "OMIT_AUTOINCREMENT", -#endif -#if SQLITE_OMIT_AUTOINIT - "OMIT_AUTOINIT", -#endif -#if SQLITE_OMIT_AUTOMATIC_INDEX - "OMIT_AUTOMATIC_INDEX", -#endif -#if SQLITE_OMIT_AUTORESET - "OMIT_AUTORESET", -#endif -#if SQLITE_OMIT_AUTOVACUUM - "OMIT_AUTOVACUUM", -#endif -#if SQLITE_OMIT_BETWEEN_OPTIMIZATION - "OMIT_BETWEEN_OPTIMIZATION", -#endif -#if SQLITE_OMIT_BLOB_LITERAL - "OMIT_BLOB_LITERAL", -#endif -#if SQLITE_OMIT_CAST - "OMIT_CAST", -#endif -#if SQLITE_OMIT_CHECK - "OMIT_CHECK", -#endif -#if SQLITE_OMIT_COMPLETE - "OMIT_COMPLETE", -#endif -#if SQLITE_OMIT_COMPOUND_SELECT - "OMIT_COMPOUND_SELECT", -#endif -#if SQLITE_OMIT_CONFLICT_CLAUSE - "OMIT_CONFLICT_CLAUSE", -#endif -#if SQLITE_OMIT_CTE - "OMIT_CTE", -#endif -#if SQLITE_OMIT_DATETIME_FUNCS - "OMIT_DATETIME_FUNCS", -#endif -#if SQLITE_OMIT_DECLTYPE - "OMIT_DECLTYPE", -#endif -#if SQLITE_OMIT_DEPRECATED - "OMIT_DEPRECATED", -#endif -#if SQLITE_OMIT_DISKIO - "OMIT_DISKIO", -#endif -#if SQLITE_OMIT_EXPLAIN - "OMIT_EXPLAIN", -#endif -#if SQLITE_OMIT_FLAG_PRAGMAS - "OMIT_FLAG_PRAGMAS", -#endif -#if SQLITE_OMIT_FLOATING_POINT - "OMIT_FLOATING_POINT", -#endif -#if SQLITE_OMIT_FOREIGN_KEY - "OMIT_FOREIGN_KEY", -#endif -#if SQLITE_OMIT_GET_TABLE - "OMIT_GET_TABLE", -#endif -#if SQLITE_OMIT_HEX_INTEGER - "OMIT_HEX_INTEGER", -#endif -#if SQLITE_OMIT_INCRBLOB - "OMIT_INCRBLOB", -#endif -#if SQLITE_OMIT_INTEGRITY_CHECK - "OMIT_INTEGRITY_CHECK", -#endif -#if SQLITE_OMIT_LIKE_OPTIMIZATION - "OMIT_LIKE_OPTIMIZATION", -#endif -#if SQLITE_OMIT_LOAD_EXTENSION - "OMIT_LOAD_EXTENSION", -#endif -#if SQLITE_OMIT_LOCALTIME - "OMIT_LOCALTIME", -#endif -#if SQLITE_OMIT_LOOKASIDE - "OMIT_LOOKASIDE", -#endif -#if SQLITE_OMIT_MEMORYDB - "OMIT_MEMORYDB", -#endif -#if SQLITE_OMIT_OR_OPTIMIZATION - "OMIT_OR_OPTIMIZATION", -#endif -#if SQLITE_OMIT_PAGER_PRAGMAS - "OMIT_PAGER_PRAGMAS", -#endif -#if SQLITE_OMIT_PARSER_TRACE - "OMIT_PARSER_TRACE", -#endif -#if SQLITE_OMIT_POPEN - "OMIT_POPEN", -#endif -#if SQLITE_OMIT_PRAGMA - "OMIT_PRAGMA", -#endif -#if SQLITE_OMIT_PROGRESS_CALLBACK - "OMIT_PROGRESS_CALLBACK", -#endif -#if SQLITE_OMIT_QUICKBALANCE - "OMIT_QUICKBALANCE", -#endif -#if SQLITE_OMIT_REINDEX - "OMIT_REINDEX", -#endif -#if SQLITE_OMIT_SCHEMA_PRAGMAS - "OMIT_SCHEMA_PRAGMAS", -#endif -#if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS - "OMIT_SCHEMA_VERSION_PRAGMAS", -#endif -#if SQLITE_OMIT_SHARED_CACHE - "OMIT_SHARED_CACHE", -#endif -#if SQLITE_OMIT_SHUTDOWN_DIRECTORIES - "OMIT_SHUTDOWN_DIRECTORIES", -#endif -#if SQLITE_OMIT_SUBQUERY - "OMIT_SUBQUERY", -#endif -#if SQLITE_OMIT_TCL_VARIABLE - "OMIT_TCL_VARIABLE", -#endif -#if SQLITE_OMIT_TEMPDB - "OMIT_TEMPDB", -#endif -#if SQLITE_OMIT_TEST_CONTROL - "OMIT_TEST_CONTROL", -#endif -#if SQLITE_OMIT_TRACE - "OMIT_TRACE", -#endif -#if SQLITE_OMIT_TRIGGER - "OMIT_TRIGGER", -#endif -#if SQLITE_OMIT_TRUNCATE_OPTIMIZATION - "OMIT_TRUNCATE_OPTIMIZATION", -#endif -#if SQLITE_OMIT_UTF16 - "OMIT_UTF16", -#endif -#if SQLITE_OMIT_VACUUM - "OMIT_VACUUM", -#endif -#if SQLITE_OMIT_VIEW - "OMIT_VIEW", -#endif -#if SQLITE_OMIT_VIRTUALTABLE - "OMIT_VIRTUALTABLE", -#endif -#if SQLITE_OMIT_WAL - "OMIT_WAL", -#endif -#if SQLITE_OMIT_WSD - "OMIT_WSD", -#endif -#if SQLITE_OMIT_XFER_OPT - "OMIT_XFER_OPT", -#endif -#if SQLITE_PCACHE_SEPARATE_HEADER - "PCACHE_SEPARATE_HEADER", -#endif -#if SQLITE_PERFORMANCE_TRACE - "PERFORMANCE_TRACE", -#endif -#if SQLITE_POWERSAFE_OVERWRITE - "POWERSAFE_OVERWRITE", -#endif -#if SQLITE_PREFER_PROXY_LOCKING - "PREFER_PROXY_LOCKING", -#endif -#if SQLITE_PROXY_DEBUG - "PROXY_DEBUG", -#endif -#if SQLITE_REVERSE_UNORDERED_SELECTS - "REVERSE_UNORDERED_SELECTS", -#endif -#if SQLITE_RTREE_INT_ONLY - "RTREE_INT_ONLY", -#endif -#if SQLITE_SECURE_DELETE - "SECURE_DELETE", -#endif -#if SQLITE_SMALL_STACK - "SMALL_STACK", -#endif -#ifdef SQLITE_SORTER_PMASZ - "SORTER_PMASZ=" CTIMEOPT_VAL(SQLITE_SORTER_PMASZ), -#endif -#if SQLITE_SOUNDEX - "SOUNDEX", -#endif -#ifdef SQLITE_STAT4_SAMPLES - "STAT4_SAMPLES=" CTIMEOPT_VAL(SQLITE_STAT4_SAMPLES), -#endif -#ifdef SQLITE_STMTJRNL_SPILL - "STMTJRNL_SPILL=" CTIMEOPT_VAL(SQLITE_STMTJRNL_SPILL), -#endif -#if SQLITE_SUBSTR_COMPATIBILITY - "SUBSTR_COMPATIBILITY", -#endif -#if SQLITE_SYSTEM_MALLOC - "SYSTEM_MALLOC", -#endif -#if SQLITE_TCL - "TCL", -#endif -#ifdef SQLITE_TEMP_STORE - "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), -#endif -#if SQLITE_TEST - "TEST", -#endif -#if defined(SQLITE_THREADSAFE) - "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), -#elif defined(THREADSAFE) - "THREADSAFE=" CTIMEOPT_VAL(THREADSAFE), -#else - "THREADSAFE=1", -#endif -#if SQLITE_UNLINK_AFTER_CLOSE - "UNLINK_AFTER_CLOSE", -#endif -#if SQLITE_UNTESTABLE - "UNTESTABLE", -#endif -#if SQLITE_USER_AUTHENTICATION - "USER_AUTHENTICATION", -#endif -#if SQLITE_USE_ALLOCA - "USE_ALLOCA", -#endif -#if SQLITE_USE_FCNTL_TRACE - "USE_FCNTL_TRACE", -#endif -#if SQLITE_USE_URI - "USE_URI", -#endif -#if SQLITE_VDBE_COVERAGE - "VDBE_COVERAGE", -#endif -#if SQLITE_WIN32_MALLOC - "WIN32_MALLOC", -#endif -#if SQLITE_ZERO_MALLOC - "ZERO_MALLOC", -#endif -/* -** END CODE GENERATED BY tool/mkctime.tcl -*/ -}; - -SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ - *pnOpt = sizeof(sqlite3azCompileOpt) / sizeof(sqlite3azCompileOpt[0]); - return (const char**)sqlite3azCompileOpt; -} - -#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ - -/************** End of ctime.c ***********************************************/ /************** Begin file sqliteInt.h ***************************************/ /* ** 2001 September 15 @@ -815,11 +53,11 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ ** used on lines of code that actually ** implement parts of coverage testing. ** -** OPTIMIZATION-IF-TRUE - This branch is allowed to alway be false +** OPTIMIZATION-IF-TRUE - This branch is allowed to always be false ** and the correct answer is still obtained, ** though perhaps more slowly. ** -** OPTIMIZATION-IF-FALSE - This branch is allowed to alway be true +** OPTIMIZATION-IF-FALSE - This branch is allowed to always be true ** and the correct answer is still obtained, ** though perhaps more slowly. ** @@ -888,6 +126,10 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ #define SQLITE_4_BYTE_ALIGNED_MALLOC #endif /* defined(_MSC_VER) && !defined(_WIN64) */ +#if !defined(HAVE_LOG2) && defined(_MSC_VER) && _MSC_VER<1800 +#define HAVE_LOG2 0 +#endif /* !defined(HAVE_LOG2) && defined(_MSC_VER) && _MSC_VER<1800 */ + #endif /* SQLITE_MSVC_H */ /************** End of msvc.h ************************************************/ @@ -990,6 +232,18 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ # define MSVC_VERSION 0 #endif +/* +** Some C99 functions in "math.h" are only present for MSVC when its version +** is associated with Visual Studio 2013 or higher. +*/ +#ifndef SQLITE_HAVE_C99_MATH_FUNCS +# if MSVC_VERSION==0 || MSVC_VERSION>=1800 +# define SQLITE_HAVE_C99_MATH_FUNCS (1) +# else +# define SQLITE_HAVE_C99_MATH_FUNCS (0) +# endif +#endif + /* Needed for various definitions... */ #if defined(__GNUC__) && !defined(_GNU_SOURCE) # define _GNU_SOURCE @@ -1040,6 +294,17 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ # define _USE_32BIT_TIME_T #endif +/* Optionally #include a user-defined header, whereby compilation options +** may be set prior to where they take effect, but after platform setup. +** If SQLITE_CUSTOM_INCLUDE=? is defined, its value names the #include +** file. +*/ +#ifdef SQLITE_CUSTOM_INCLUDE +# define INC_STRINGIFY_(f) #f +# define INC_STRINGIFY(f) INC_STRINGIFY_(f) +# include INC_STRINGIFY(SQLITE_CUSTOM_INCLUDE) +#endif + /* The public SQLite interface. The _FILE_OFFSET_BITS macro must appear ** first in QNX. Also, the _USE_32BIT_TIME_T macro must appear first for ** MinGW. @@ -1091,7 +356,30 @@ extern "C" { /* -** Provide the ability to override linkage features of the interface. +** Facilitate override of interface linkage and calling conventions. +** Be aware that these macros may not be used within this particular +** translation of the amalgamation and its associated header file. +** +** The SQLITE_EXTERN and SQLITE_API macros are used to instruct the +** compiler that the target identifier should have external linkage. +** +** The SQLITE_CDECL macro is used to set the calling convention for +** public functions that accept a variable number of arguments. +** +** The SQLITE_APICALL macro is used to set the calling convention for +** public functions that accept a fixed number of arguments. +** +** The SQLITE_STDCALL macro is no longer used and is now deprecated. +** +** The SQLITE_CALLBACK macro is used to set the calling convention for +** function pointers. +** +** The SQLITE_SYSAPI macro is used to set the calling convention for +** functions provided by the operating system. +** +** Currently, the SQLITE_CDECL, SQLITE_APICALL, SQLITE_CALLBACK, and +** SQLITE_SYSAPI macros are used only when building for environments +** that require non-default calling conventions. */ #ifndef SQLITE_EXTERN # define SQLITE_EXTERN extern @@ -1171,9 +459,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.33.0" -#define SQLITE_VERSION_NUMBER 3033000 -#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f" +#define SQLITE_VERSION "3.43.1" +#define SQLITE_VERSION_NUMBER 3043001 +#define SQLITE_SOURCE_ID "2023-09-11 12:01:27 2d3a40c05c49e1a49264912b1a05bc2143ac0e7c3df588276ce80a4cbc9bd1b0" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -1552,6 +840,8 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_COMMIT_ATOMIC (SQLITE_IOERR | (30<<8)) #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) +#define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -1584,12 +874,14 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_VTAB (SQLITE_CONSTRAINT | (9<<8)) #define SQLITE_CONSTRAINT_ROWID (SQLITE_CONSTRAINT |(10<<8)) #define SQLITE_CONSTRAINT_PINNED (SQLITE_CONSTRAINT |(11<<8)) +#define SQLITE_CONSTRAINT_DATATYPE (SQLITE_CONSTRAINT |(12<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) +#define SQLITE_NOTICE_RBU (SQLITE_NOTICE | (3<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) -#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) +#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) /* internal use only */ /* ** CAPI3REF: Flags For File Open Operations @@ -1597,6 +889,19 @@ SQLITE_API int sqlite3_exec( ** These bit values are intended for use in the ** 3rd parameter to the [sqlite3_open_v2()] interface and ** in the 4th parameter to the [sqlite3_vfs.xOpen] method. +** +** Only those flags marked as "Ok for sqlite3_open_v2()" may be +** used as the third argument to the [sqlite3_open_v2()] interface. +** The other flags have historically been ignored by sqlite3_open_v2(), +** though future versions of SQLite might change so that an error is +** raised if any of the disallowed bits are passed into sqlite3_open_v2(). +** Applications should not depend on the historical behavior. +** +** Note in particular that passing the SQLITE_OPEN_EXCLUSIVE flag into +** [sqlite3_open_v2()] does *not* cause the underlying database file +** to be opened using O_EXCL. Passing SQLITE_OPEN_EXCLUSIVE into +** [sqlite3_open_v2()] has historically be a no-op and might become an +** error in future versions of SQLite. */ #define SQLITE_OPEN_READONLY 0x00000001 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_READWRITE 0x00000002 /* Ok for sqlite3_open_v2() */ @@ -1619,6 +924,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_OPEN_PRIVATECACHE 0x00040000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_WAL 0x00080000 /* VFS only */ #define SQLITE_OPEN_NOFOLLOW 0x01000000 /* Ok for sqlite3_open_v2() */ +#define SQLITE_OPEN_EXRESCODE 0x02000000 /* Extended result codes */ /* Reserved: 0x00F00000 */ /* Legacy compatibility: */ @@ -1679,13 +985,17 @@ SQLITE_API int sqlite3_exec( ** ** SQLite uses one of these integer values as the second ** argument to calls it makes to the xLock() and xUnlock() methods -** of an [sqlite3_io_methods] object. +** of an [sqlite3_io_methods] object. These values are ordered from +** lest restrictive to most restrictive. +** +** The argument to xLock() is always SHARED or higher. The argument to +** xUnlock is either SHARED or NONE. */ -#define SQLITE_LOCK_NONE 0 -#define SQLITE_LOCK_SHARED 1 -#define SQLITE_LOCK_RESERVED 2 -#define SQLITE_LOCK_PENDING 3 -#define SQLITE_LOCK_EXCLUSIVE 4 +#define SQLITE_LOCK_NONE 0 /* xUnlock() only */ +#define SQLITE_LOCK_SHARED 1 /* xLock() or xUnlock() */ +#define SQLITE_LOCK_RESERVED 2 /* xLock() only */ +#define SQLITE_LOCK_PENDING 3 /* xLock() only */ +#define SQLITE_LOCK_EXCLUSIVE 4 /* xLock() only */ /* ** CAPI3REF: Synchronization Type Flags @@ -1763,7 +1073,14 @@ struct sqlite3_file { **
  • [SQLITE_LOCK_PENDING], or **
  • [SQLITE_LOCK_EXCLUSIVE]. ** -** xLock() increases the lock. xUnlock() decreases the lock. +** xLock() upgrades the database file lock. In other words, xLock() moves the +** database file lock in the direction NONE toward EXCLUSIVE. The argument to +** xLock() is always on of SHARED, RESERVED, PENDING, or EXCLUSIVE, never +** SQLITE_LOCK_NONE. If the database file lock is already at or above the +** requested lock, then the call to xLock() is a no-op. +** xUnlock() downgrades the database file lock to either SHARED or NONE. +* If the lock is already at or below the requested lock state, then the call +** to xUnlock() is a no-op. ** The xCheckReservedLock() method checks whether any database connection, ** either in this process or in some other process, is holding a RESERVED, ** PENDING, or EXCLUSIVE lock on the file. It returns true @@ -1868,9 +1185,8 @@ struct sqlite3_io_methods { ** opcode causes the xFileControl method to write the current state of ** the lock (one of [SQLITE_LOCK_NONE], [SQLITE_LOCK_SHARED], ** [SQLITE_LOCK_RESERVED], [SQLITE_LOCK_PENDING], or [SQLITE_LOCK_EXCLUSIVE]) -** into an integer that the pArg argument points to. This capability -** is used during testing and is only available when the SQLITE_TEST -** compile-time option is used. +** into an integer that the pArg argument points to. +** This capability is only available if SQLite is compiled with [SQLITE_DEBUG]. ** **
  • [[SQLITE_FCNTL_SIZE_HINT]] ** The [SQLITE_FCNTL_SIZE_HINT] opcode is used by SQLite to give the VFS @@ -2174,6 +1490,28 @@ struct sqlite3_io_methods { ** in wal mode after the client has finished copying pages from the wal ** file to the database file, but before the *-shm file is updated to ** record the fact that the pages have been checkpointed. +** +**
  • [[SQLITE_FCNTL_EXTERNAL_READER]] +** The EXPERIMENTAL [SQLITE_FCNTL_EXTERNAL_READER] opcode is used to detect +** whether or not there is a database client in another process with a wal-mode +** transaction open on the database or not. It is only available on unix.The +** (void*) argument passed with this file-control should be a pointer to a +** value of type (int). The integer value is set to 1 if the database is a wal +** mode database and there exists at least one client in another process that +** currently has an SQL transaction open on the database. It is set to 0 if +** the database is not a wal-mode db, or if there is no such connection in any +** other process. This opcode cannot be used to detect transactions opened +** by clients within the current process, only within other processes. +** +**
  • [[SQLITE_FCNTL_CKSM_FILE]] +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the +** [checksum VFS shim] only. +** +**
  • [[SQLITE_FCNTL_RESET_CACHE]] +** If there is currently no transaction open on the database, and the +** database is not a temp db, then the [SQLITE_FCNTL_RESET_CACHE] file-control +** purges the contents of the in-memory page cache. If there is an open +** transaction, or if the db is a temp-db, this opcode is a no-op, not an error. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -2214,6 +1552,9 @@ struct sqlite3_io_methods { #define SQLITE_FCNTL_CKPT_DONE 37 #define SQLITE_FCNTL_RESERVE_BYTES 38 #define SQLITE_FCNTL_CKPT_START 39 +#define SQLITE_FCNTL_EXTERNAL_READER 40 +#define SQLITE_FCNTL_CKSM_FILE 41 +#define SQLITE_FCNTL_RESET_CACHE 42 /* deprecated names */ #define SQLITE_GET_LOCKPROXYFILE SQLITE_FCNTL_GET_LOCKPROXYFILE @@ -2243,6 +1584,26 @@ typedef struct sqlite3_mutex sqlite3_mutex; */ typedef struct sqlite3_api_routines sqlite3_api_routines; +/* +** CAPI3REF: File Name +** +** Type [sqlite3_filename] is used by SQLite to pass filenames to the +** xOpen method of a [VFS]. It may be cast to (const char*) and treated +** as a normal, nul-terminated, UTF-8 buffer containing the filename, but +** may also be passed to special APIs such as: +** +** +*/ +typedef const char *sqlite3_filename; + /* ** CAPI3REF: OS Interface Object ** @@ -2421,7 +1782,7 @@ struct sqlite3_vfs { sqlite3_vfs *pNext; /* Next registered VFS */ const char *zName; /* Name of this virtual file system */ void *pAppData; /* Pointer to application-specific data */ - int (*xOpen)(sqlite3_vfs*, const char *zName, sqlite3_file*, + int (*xOpen)(sqlite3_vfs*, sqlite3_filename zName, sqlite3_file*, int flags, int *pOutFlags); int (*xDelete)(sqlite3_vfs*, const char *zName, int syncDir); int (*xAccess)(sqlite3_vfs*, const char *zName, int flags, int *pResOut); @@ -2608,20 +1969,23 @@ SQLITE_API int sqlite3_os_end(void); ** must ensure that no other SQLite interfaces are invoked by other ** threads while sqlite3_config() is running. ** -** The sqlite3_config() interface -** may only be invoked prior to library initialization using -** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. -** ^If sqlite3_config() is called after [sqlite3_initialize()] and before -** [sqlite3_shutdown()] then it will return SQLITE_MISUSE. -** Note, however, that ^sqlite3_config() can be called as part of the -** implementation of an application-defined [sqlite3_os_init()]. -** ** The first argument to sqlite3_config() is an integer ** [configuration option] that determines ** what property of SQLite is to be configured. Subsequent arguments ** vary depending on the [configuration option] ** in the first argument. ** +** For most configuration options, the sqlite3_config() interface +** may only be invoked prior to library initialization using +** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. +** The exceptional configuration options that may be invoked at any time +** are called "anytime configuration options". +** ^If sqlite3_config() is called after [sqlite3_initialize()] and before +** [sqlite3_shutdown()] with a first argument that is not an anytime +** configuration option, then the sqlite3_config() call will return SQLITE_MISUSE. +** Note, however, that ^sqlite3_config() can be called as part of the +** implementation of an application-defined [sqlite3_os_init()]. +** ** ^When a configuration option is set, sqlite3_config() returns [SQLITE_OK]. ** ^If the option is unknown or SQLite is unable to set the option ** then this routine returns a non-zero [error code]. @@ -2729,6 +2093,23 @@ struct sqlite3_mem_methods { ** These constants are the available integer configuration options that ** can be passed as the first argument to the [sqlite3_config()] interface. ** +** Most of the configuration options for sqlite3_config() +** will only work if invoked prior to [sqlite3_initialize()] or after +** [sqlite3_shutdown()]. The few exceptions to this rule are called +** "anytime configuration options". +** ^Calling [sqlite3_config()] with a first argument that is not an +** anytime configuration option in between calls to [sqlite3_initialize()] and +** [sqlite3_shutdown()] is a no-op that returns SQLITE_MISUSE. +** +** The set of anytime configuration options can change (by insertions +** and/or deletions) from one release of SQLite to the next. +** As of SQLite version 3.42.0, the complete set of anytime configuration +** options is: +** +** ** New configuration options may be added in future releases of SQLite. ** Existing configuration options might be discontinued. Applications ** should check the return code from [sqlite3_config()] to make sure that @@ -3075,28 +2456,28 @@ struct sqlite3_mem_methods { ** compile-time option is not set, then the default maximum is 1073741824. ** */ -#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ -#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ -#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ -#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ -#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ -#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ -#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ -#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ -#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ -#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ -#define SQLITE_CONFIG_PCACHE 14 /* no-op */ -#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ -#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ -#define SQLITE_CONFIG_URI 17 /* int */ -#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ -#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ +#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ +#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ +#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ +#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ +#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ +#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ +#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ +#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ +#define SQLITE_CONFIG_PCACHE 14 /* no-op */ +#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ +#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ +#define SQLITE_CONFIG_URI 17 /* int */ +#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ -#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ -#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ +#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ +#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ #define SQLITE_CONFIG_PCACHE_HDRSZ 24 /* int *psz */ #define SQLITE_CONFIG_PMASZ 25 /* unsigned int szPma */ @@ -3137,7 +2518,7 @@ struct sqlite3_mem_methods { ** configuration for a database connection can only be changed when that ** connection is not currently using lookaside memory, or in other words ** when the "current value" returned by -** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. +** [sqlite3_db_status](D,[SQLITE_DBSTATUS_LOOKASIDE_USED],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside ** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^ @@ -3162,7 +2543,13 @@ struct sqlite3_mem_methods { ** The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether triggers are disabled or enabled ** following this call. The second parameter may be a NULL pointer, in -** which case the trigger setting is not reported back. +** which case the trigger setting is not reported back. +** +**

    Originally this option disabled all triggers. ^(However, since +** SQLite version 3.35.0, TEMP triggers are still allowed even if +** this option is off. So, in other words, this option now only disables +** triggers in the main database schema or in the schemas of ATTACH-ed +** databases.)^ ** ** [[SQLITE_DBCONFIG_ENABLE_VIEW]] **

    SQLITE_DBCONFIG_ENABLE_VIEW
    @@ -3173,7 +2560,13 @@ struct sqlite3_mem_methods { ** The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether views are disabled or enabled ** following this call. The second parameter may be a NULL pointer, in -** which case the view setting is not reported back. +** which case the view setting is not reported back. +** +**

    Originally this option disabled all views. ^(However, since +** SQLite version 3.35.0, TEMP views are still allowed even if +** this option is off. So, in other words, this option now only disables +** views in the main database schema or in the schemas of ATTACH-ed +** databases.)^ ** ** [[SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER]] **

    SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER
    @@ -3275,8 +2668,12 @@ struct sqlite3_mem_methods { **
  • sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); ** ** Because resetting a database is destructive and irreversible, the -** process requires the use of this obscure API and multiple steps to help -** ensure that it does not happen by accident. +** process requires the use of this obscure API and multiple steps to +** help ensure that it does not happen by accident. Because this +** feature must be capable of resetting corrupt databases, and +** shutting down virtual tables may require access to that corrupt +** storage, the library must abandon any installed virtual tables +** without calling their xDestroy() methods. ** ** [[SQLITE_DBCONFIG_DEFENSIVE]]
    SQLITE_DBCONFIG_DEFENSIVE
    **
    The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the @@ -3287,6 +2684,7 @@ struct sqlite3_mem_methods { **
      **
    • The [PRAGMA writable_schema=ON] statement. **
    • The [PRAGMA journal_mode=OFF] statement. +**
    • The [PRAGMA schema_version=N] statement. **
    • Writes to the [sqlite_dbpage] virtual table. **
    • Direct writes to [shadow tables]. **
    @@ -3314,7 +2712,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DML]] -**
    SQLITE_DBCONFIG_DQS_DML +**
    SQLITE_DBCONFIG_DQS_DML
    **
    The SQLITE_DBCONFIG_DQS_DML option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The @@ -3323,7 +2721,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DDL]] -**
    SQLITE_DBCONFIG_DQS_DDL +**
    SQLITE_DBCONFIG_DQS_DDL
    **
    The SQLITE_DBCONFIG_DQS option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DDL statements, ** such as CREATE TABLE and CREATE INDEX. The @@ -3332,7 +2730,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] -**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA +**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA
    **
    The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to ** assume that database schemas are untainted by malicious content. ** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite @@ -3352,7 +2750,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] -**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT +**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT
    **
    The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates ** the legacy file format flag. When activated, this flag causes all newly ** created database file to have a schema format version number (the 4-byte @@ -3361,7 +2759,7 @@ struct sqlite3_mem_methods { ** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, ** newly created databases are generally not understandable by SQLite versions ** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there -** is now scarcely any need to generated database files that are compatible +** is now scarcely any need to generate database files that are compatible ** all the way back to version 3.0.0, and so this setting is of little ** practical use, but is provided so that SQLite can continue to claim the ** ability to generate new database files that are compatible with version @@ -3370,8 +2768,40 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. **
    +** +** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] +**
    SQLITE_DBCONFIG_STMT_SCANSTATUS
    +**
    The SQLITE_DBCONFIG_STMT_SCANSTATUS option is only useful in +** SQLITE_ENABLE_STMT_SCANSTATUS builds. In this case, it sets or clears +** a flag that enables collection of the sqlite3_stmt_scanstatus_v2() +** statistics. For statistics to be collected, the flag must be set on +** the database handle both when the SQL statement is prepared and when it +** is stepped. The flag is set (collection of statistics is enabled) +** by default. This option takes two arguments: an integer and a pointer to +** an integer.. The first argument is 1, 0, or -1 to enable, disable, or +** leave unchanged the statement scanstatus option. If the second argument +** is not NULL, then the value of the statement scanstatus setting after +** processing the first argument is written into the integer that the second +** argument points to. +**
    +** +** [[SQLITE_DBCONFIG_REVERSE_SCANORDER]] +**
    SQLITE_DBCONFIG_REVERSE_SCANORDER
    +**
    The SQLITE_DBCONFIG_REVERSE_SCANORDER option changes the default order +** in which tables and indexes are scanned so that the scans start at the end +** and work toward the beginning rather than starting at the beginning and +** working toward the end. Setting SQLITE_DBCONFIG_REVERSE_SCANORDER is the +** same as setting [PRAGMA reverse_unordered_selects]. This option takes +** two arguments which are an integer and a pointer to an integer. The first +** argument is 1, 0, or -1 to enable, disable, or leave unchanged the +** reverse scan order flag, respectively. If the second argument is not NULL, +** then 0 or 1 is written into the integer that the second argument points to +** depending on if the reverse scan order flag is set after processing the +** first argument. +**
    +** ** */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -3392,7 +2822,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ #define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ #define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_STMT_SCANSTATUS 1018 /* int int* */ +#define SQLITE_DBCONFIG_REVERSE_SCANORDER 1019 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1019 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -3480,11 +2912,14 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** CAPI3REF: Count The Number Of Rows Modified ** METHOD: sqlite3 ** -** ^This function returns the number of rows modified, inserted or +** ^These functions return the number of rows modified, inserted or ** deleted by the most recently completed INSERT, UPDATE or DELETE ** statement on the database connection specified by the only parameter. -** ^Executing any other type of SQL statement does not modify the value -** returned by this function. +** The two functions are identical except for the type of the return value +** and that if the number of rows modified by the most recent INSERT, UPDATE +** or DELETE is greater than the maximum value supported by type "int", then +** the return value of sqlite3_changes() is undefined. ^Executing any other +** type of SQL statement does not modify the value returned by these functions. ** ** ^Only changes made directly by the INSERT, UPDATE or DELETE statement are ** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], @@ -3533,16 +2968,21 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** */ SQLITE_API int sqlite3_changes(sqlite3*); +SQLITE_API sqlite3_int64 sqlite3_changes64(sqlite3*); /* ** CAPI3REF: Total Number Of Rows Modified ** METHOD: sqlite3 ** -** ^This function returns the total number of rows inserted, modified or +** ^These functions return the total number of rows inserted, modified or ** deleted by all [INSERT], [UPDATE] or [DELETE] statements completed ** since the database connection was opened, including those executed as -** part of trigger programs. ^Executing any other type of SQL statement -** does not affect the value returned by sqlite3_total_changes(). +** part of trigger programs. The two functions are identical except for the +** type of the return value and that if the number of rows modified by the +** connection exceeds the maximum value supported by type "int", then +** the return value of sqlite3_total_changes() is undefined. ^Executing +** any other type of SQL statement does not affect the value returned by +** sqlite3_total_changes(). ** ** ^Changes made as part of [foreign key actions] are included in the ** count, but those made as part of REPLACE constraint resolution are @@ -3570,6 +3010,7 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** */ SQLITE_API int sqlite3_total_changes(sqlite3*); +SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); /* ** CAPI3REF: Interrupt A Long-Running Query @@ -3605,8 +3046,13 @@ SQLITE_API int sqlite3_total_changes(sqlite3*); ** ^A call to sqlite3_interrupt(D) that occurs when there are no running ** SQL statements is a no-op and has no effect on SQL statements ** that are started after the sqlite3_interrupt() call returns. +** +** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether +** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); +SQLITE_API int sqlite3_is_interrupted(sqlite3*); /* ** CAPI3REF: Determine If An SQL Statement Is Complete @@ -4224,8 +3670,8 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, **
    ^An SQLITE_TRACE_PROFILE callback provides approximately the same ** information as is provided by the [sqlite3_profile()] callback. ** ^The P argument is a pointer to the [prepared statement] and the -** X argument points to a 64-bit integer which is the estimated of -** the number of nanosecond that the prepared statement took to run. +** X argument points to a 64-bit integer which is approximately +** the number of nanoseconds that the prepared statement took to run. ** ^The SQLITE_TRACE_PROFILE callback is invoked when the statement finishes. ** ** [[SQLITE_TRACE_ROW]]
    SQLITE_TRACE_ROW
    @@ -4257,8 +3703,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -4288,7 +3736,7 @@ SQLITE_API int sqlite3_trace_v2( ** ** ^The sqlite3_progress_handler(D,N,X,P) interface causes the callback ** function X to be invoked periodically during long running calls to -** [sqlite3_exec()], [sqlite3_step()] and [sqlite3_get_table()] for +** [sqlite3_step()] and [sqlite3_prepare()] and similar for ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** @@ -4313,6 +3761,13 @@ SQLITE_API int sqlite3_trace_v2( ** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their ** database connections for the meaning of "modify" in this paragraph. ** +** The progress handler callback would originally only be invoked from the +** bytecode engine. It still might be invoked during [sqlite3_prepare()] +** and similar because those routines might force a reparse of the schema +** which involves running the bytecode engine. However, beginning with +** SQLite version 3.41.0, the progress handler callback might also be +** invoked directly from [sqlite3_prepare()] while analyzing and generating +** code for complex queries. */ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); @@ -4349,13 +3804,18 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** **
    ** ^(
    [SQLITE_OPEN_READONLY]
    -**
    The database is opened in read-only mode. If the database does not -** already exist, an error is returned.
    )^ +**
    The database is opened in read-only mode. If the database does +** not already exist, an error is returned.
    )^ ** ** ^(
    [SQLITE_OPEN_READWRITE]
    -**
    The database is opened for reading and writing if possible, or reading -** only if the file is write protected by the operating system. In either -** case the database must already exist, otherwise an error is returned.
    )^ +**
    The database is opened for reading and writing if possible, or +** reading only if the file is write protected by the operating +** system. In either case the database must already exist, otherwise +** an error is returned. For historical reasons, if opening in +** read-write mode fails due to OS-level permissions, an attempt is +** made to open it in read-only mode. [sqlite3_db_readonly()] can be +** used to determine whether the database is actually +** read-write.
    )^ ** ** ^(
    [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]
    **
    The database is opened for reading and writing, and is created if @@ -4393,20 +3853,39 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); **
    The database is opened [shared cache] enabled, overriding ** the default shared cache setting provided by ** [sqlite3_enable_shared_cache()].)^ +** The [use of shared cache mode is discouraged] and hence shared cache +** capabilities may be omitted from many builds of SQLite. In such cases, +** this option is a no-op. ** ** ^(
    [SQLITE_OPEN_PRIVATECACHE]
    **
    The database is opened [shared cache] disabled, overriding ** the default shared cache setting provided by ** [sqlite3_enable_shared_cache()].)^ ** +** [[OPEN_EXRESCODE]] ^(
    [SQLITE_OPEN_EXRESCODE]
    +**
    The database connection comes up in "extended result code mode". +** In other words, the database behaves has if +** [sqlite3_extended_result_codes(db,1)] where called on the database +** connection as soon as the connection is created. In addition to setting +** the extended result code mode, this flag also causes [sqlite3_open_v2()] +** to return an extended result code.
    +** ** [[OPEN_NOFOLLOW]] ^(
    [SQLITE_OPEN_NOFOLLOW]
    -**
    The database filename is not allowed to be a symbolic link
    +**
    The database filename is not allowed to contain a symbolic link
    **
    )^ ** ** If the 3rd parameter to sqlite3_open_v2() is not one of the ** required combinations shown above optionally combined with other ** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits] -** then the behavior is undefined. +** then the behavior is undefined. Historic versions of SQLite +** have silently ignored surplus bits in the flags parameter to +** sqlite3_open_v2(), however that behavior might not be carried through +** into future versions of SQLite and so applications should not rely +** upon it. Note in particular that the SQLITE_OPEN_EXCLUSIVE flag is a no-op +** for sqlite3_open_v2(). The SQLITE_OPEN_EXCLUSIVE does *not* cause +** the open to fail if the database already exists. The SQLITE_OPEN_EXCLUSIVE +** flag is intended for use by the [sqlite3_vfs|VFS interface] only, and not +** by sqlite3_open_v2(). ** ** ^The fourth parameter to sqlite3_open_v2() is the name of the ** [sqlite3_vfs] object that defines the operating system interface that @@ -4546,6 +4025,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** that uses dot-files in place of posix advisory locking. ** file:data.db?mode=readonly ** An error. "readonly" is not a valid option for the "mode" parameter. +** Use "ro" instead: "file:data.db?mode=ro". ** ** ** ^URI hexadecimal escape sequences (%HH) are supported within the path and @@ -4595,7 +4075,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: ** @@ -4650,10 +4130,10 @@ SQLITE_API int sqlite3_open_v2( ** ** See the [URI filename] documentation for additional information. */ -SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam); -SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault); -SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64); -SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); +SQLITE_API const char *sqlite3_uri_parameter(sqlite3_filename z, const char *zParam); +SQLITE_API int sqlite3_uri_boolean(sqlite3_filename z, const char *zParam, int bDefault); +SQLITE_API sqlite3_int64 sqlite3_uri_int64(sqlite3_filename, const char*, sqlite3_int64); +SQLITE_API const char *sqlite3_uri_key(sqlite3_filename z, int N); /* ** CAPI3REF: Translate filenames @@ -4682,9 +4162,9 @@ SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); ** return value from [sqlite3_db_filename()], then the result is ** undefined and is likely a memory access violation. */ -SQLITE_API const char *sqlite3_filename_database(const char*); -SQLITE_API const char *sqlite3_filename_journal(const char*); -SQLITE_API const char *sqlite3_filename_wal(const char*); +SQLITE_API const char *sqlite3_filename_database(sqlite3_filename); +SQLITE_API const char *sqlite3_filename_journal(sqlite3_filename); +SQLITE_API const char *sqlite3_filename_wal(sqlite3_filename); /* ** CAPI3REF: Database File Corresponding To A Journal @@ -4708,7 +4188,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -4744,20 +4224,20 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); ** If the Y parameter to sqlite3_free_filename(Y) is anything other ** than a NULL pointer or a pointer previously acquired from ** sqlite3_create_filename(), then bad things such as heap -** corruption or segfaults may occur. The value Y should be +** corruption or segfaults may occur. The value Y should not be ** used again after sqlite3_free_filename(Y) has been called. This means ** that if the [sqlite3_vfs.xOpen()] method of a VFS has been called using Y, ** then the corresponding [sqlite3_module.xClose() method should also be ** invoked prior to calling sqlite3_free_filename(Y). */ -SQLITE_API char *sqlite3_create_filename( +SQLITE_API sqlite3_filename sqlite3_create_filename( const char *zDatabase, const char *zJournal, const char *zWal, int nParam, const char **azParam ); -SQLITE_API void sqlite3_free_filename(char*); +SQLITE_API void sqlite3_free_filename(sqlite3_filename); /* ** CAPI3REF: Error Codes And Messages @@ -4776,13 +4256,14 @@ SQLITE_API void sqlite3_free_filename(char*); ** sqlite3_extended_errcode() might change with each API call. ** Except, there are some interfaces that are guaranteed to never ** change the value of the error code. The error-code preserving -** interfaces are: +** interfaces include the following: ** ** ** ** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language @@ -4797,6 +4278,13 @@ SQLITE_API void sqlite3_free_filename(char*); ** ^(Memory to hold the error message string is managed internally ** and must not be freed by the application)^. ** +** ^If the most recent error references a specific token in the input +** SQL, the sqlite3_error_offset() interface returns the byte offset +** of the start of that token. ^The byte offset returned by +** sqlite3_error_offset() assumes that the input SQL is UTF8. +** ^If the most recent error does not reference a specific token in the input +** SQL, then the sqlite3_error_offset() function returns -1. +** ** When the serialized [threading mode] is in use, it might be the ** case that a second error occurs on a separate thread in between ** the time of the first error and the call to these interfaces. @@ -4816,6 +4304,7 @@ SQLITE_API int sqlite3_extended_errcode(sqlite3 *db); SQLITE_API const char *sqlite3_errmsg(sqlite3*); SQLITE_API const void *sqlite3_errmsg16(sqlite3*); SQLITE_API const char *sqlite3_errstr(int); +SQLITE_API int sqlite3_error_offset(sqlite3 *db); /* ** CAPI3REF: Prepared Statement Object @@ -5173,12 +4662,17 @@ SQLITE_API int sqlite3_prepare16_v3( ** are managed by SQLite and are automatically freed when the prepared ** statement is finalized. ** ^The string returned by sqlite3_expanded_sql(P), on the other hand, -** is obtained from [sqlite3_malloc()] and must be free by the application +** is obtained from [sqlite3_malloc()] and must be freed by the application ** by passing it to [sqlite3_free()]. +** +** ^The sqlite3_normalized_sql() interface is only available if +** the [SQLITE_ENABLE_NORMALIZE] compile-time option is defined. */ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt); SQLITE_API char *sqlite3_expanded_sql(sqlite3_stmt *pStmt); +#ifdef SQLITE_ENABLE_NORMALIZE SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); +#endif /* ** CAPI3REF: Determine If An SQL Statement Writes The Database @@ -5213,6 +4707,19 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and ** [BEGIN|BEGIN EXCLUSIVE] commands do touch the database and so ** sqlite3_stmt_readonly() returns false for those commands. +** +** ^This routine returns false if there is any possibility that the +** statement might change the database file. ^A false return does +** not guarantee that the statement will change the database file. +** ^For example, an UPDATE statement might have a WHERE clause that +** makes it a no-op, but the sqlite3_stmt_readonly() result would still +** be false. ^Similarly, a CREATE TABLE IF NOT EXISTS statement is a +** read-only no-op if the table already exists, but +** sqlite3_stmt_readonly() still returns false for such a statement. +** +** ^If prepared statement X is an [EXPLAIN] or [EXPLAIN QUERY PLAN] +** statement, then sqlite3_stmt_readonly(X) returns the same value as +** if the EXPLAIN or EXPLAIN QUERY PLAN prefix were omitted. */ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); @@ -5228,6 +4735,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -5281,6 +4823,8 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** ** ^The sqlite3_value objects that are passed as parameters into the ** implementation of [application-defined SQL functions] are protected. +** ^The sqlite3_value objects returned by [sqlite3_vtab_rhs_value()] +** are protected. ** ^The sqlite3_value object returned by ** [sqlite3_column_value()] is unprotected. ** Unprotected sqlite3_value objects may only be used as arguments @@ -5382,18 +4926,22 @@ typedef struct sqlite3_context sqlite3_context; ** contain embedded NULs. The result of expressions involving strings ** with embedded NULs is undefined. ** -** ^The fifth argument to the BLOB and string binding interfaces -** is a destructor used to dispose of the BLOB or -** string after SQLite has finished with it. ^The destructor is called -** to dispose of the BLOB or string even if the call to the bind API fails, -** except the destructor is not called if the third parameter is a NULL -** pointer or the fourth parameter is negative. -** ^If the fifth argument is -** the special value [SQLITE_STATIC], then SQLite assumes that the -** information is in static, unmanaged space and does not need to be freed. -** ^If the fifth argument has the value [SQLITE_TRANSIENT], then -** SQLite makes its own private copy of the data immediately, before -** the sqlite3_bind_*() routine returns. +** ^The fifth argument to the BLOB and string binding interfaces controls +** or indicates the lifetime of the object referenced by the third parameter. +** These three options exist: +** ^ (1) A destructor to dispose of the BLOB or string after SQLite has finished +** with it may be passed. ^It is called to dispose of the BLOB or string even +** if the call to the bind API fails, except the destructor is not called if +** the third parameter is a NULL pointer or the fourth parameter is negative. +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that +** the application remains responsible for disposing of the object. ^In this +** case, the object and the provided pointer to it must remain valid until +** either the prepared statement is finalized or the same SQL parameter is +** bound to something else, whichever occurs sooner. +** ^ (3) The constant, [SQLITE_TRANSIENT], may be passed to indicate that the +** object is to be copied prior to the return from sqlite3_bind_*(). ^The +** object and pointer to it must remain valid until then. ^SQLite will then +** manage the lifetime of its private copy. ** ** ^The sixth argument to sqlite3_bind_text64() must be one of ** [SQLITE_UTF8], [SQLITE_UTF16], [SQLITE_UTF16BE], or [SQLITE_UTF16LE] @@ -5898,6 +5446,10 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** even empty strings, are always zero-terminated. ^The return ** value from sqlite3_column_blob() for a zero-length BLOB is a NULL pointer. ** +** ^Strings returned by sqlite3_column_text16() always have the endianness +** which is native to the platform, regardless of the text encoding set +** for the database. +** ** Warning: ^The object returned by [sqlite3_column_value()] is an ** [unprotected sqlite3_value] object. In a multithreaded environment, ** an unprotected sqlite3_value object may only be used safely with @@ -5911,7 +5463,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** [application-defined SQL functions] or [virtual tables], not within ** top-level application code. ** -** The these routines may attempt to convert the datatype of the result. +** These routines may attempt to convert the datatype of the result. ** ^For example, if the internal representation is FLOAT and a text result ** is requested, [sqlite3_snprintf()] is used internally to perform the ** conversion automatically. ^(The following table details the conversions @@ -5936,7 +5488,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** TEXT BLOB No change ** BLOB INTEGER [CAST] to INTEGER ** BLOB FLOAT [CAST] to REAL -** BLOB TEXT Add a zero terminator if needed +** BLOB TEXT [CAST] to TEXT, ensure zero terminator ** ** )^ ** @@ -6060,14 +5612,26 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. @@ -6135,7 +5699,6 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** within VIEWs, TRIGGERs, CHECK constraints, generated column expressions, ** index expressions, or the WHERE clause of partial indexes. ** -** ** For best security, the [SQLITE_DIRECTONLY] flag is recommended for ** all application-defined SQL functions that do not need to be ** used inside of triggers, view, CHECK constraints, or other elements of @@ -6145,7 +5708,6 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** a database file to include invocations of the function with parameters ** chosen by the attacker, which the application will then execute when ** the database file is opened and read. -** ** ** ^(The fifth parameter is an arbitrary pointer. The implementation of the ** function can gain access to this pointer using [sqlite3_user_data()].)^ @@ -6281,10 +5843,21 @@ SQLITE_API int sqlite3_create_window_function( ** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in ** schema structures such as [CHECK constraints], [DEFAULT clauses], ** [expression indexes], [partial indexes], or [generated columns]. -** The SQLITE_DIRECTONLY flags is a security feature which is recommended -** for all [application-defined SQL functions], and especially for functions -** that have side-effects or that could potentially leak sensitive -** information. +**

    +** The SQLITE_DIRECTONLY flag is recommended for any +** [application-defined SQL function] +** that has side-effects or that could potentially leak sensitive information. +** This will prevent attacks in which an application is tricked +** into using a database file that has had its schema surreptitiously +** modified to invoke the application-defined function in ways that are +** harmful. +**

    +** Some people say it is good practice to set SQLITE_DIRECTONLY on all +** [application-defined SQL functions], regardless of whether or not they +** are security sensitive, as doing so prevents those functions from being used +** inside of the database schema, and thus ensures that the database +** can be inspected and modified using generic tools (such as the [CLI]) +** that do not have access to the application-defined functions. ** ** ** [[SQLITE_INNOCUOUS]]

    SQLITE_INNOCUOUS
    @@ -6490,6 +6063,28 @@ SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); SQLITE_API int sqlite3_value_nochange(sqlite3_value*); SQLITE_API int sqlite3_value_frombind(sqlite3_value*); +/* +** CAPI3REF: Report the internal text encoding state of an sqlite3_value object +** METHOD: sqlite3_value +** +** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], +** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current text encoding +** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) +** returns something other than SQLITE_TEXT, then the return value from +** sqlite3_value_encoding(X) is meaningless. ^Calls to +** [sqlite3_value_text(X)], [sqlite3_value_text16(X)], [sqlite3_value_text16be(X)], +** [sqlite3_value_text16le(X)], [sqlite3_value_bytes(X)], or +** [sqlite3_value_bytes16(X)] might change the encoding of the value X and +** thus change the return from subsequent calls to sqlite3_value_encoding(X). +** +** This routine is intended for used by applications that test and validate +** the SQLite implementation. This routine is inquiring about the opaque +** internal state of an [sqlite3_value] object. Ordinary applications should +** not need to know what the internal state of an sqlite3_value object is and +** hence should not need to use this interface. +*/ +SQLITE_API int sqlite3_value_encoding(sqlite3_value*); + /* ** CAPI3REF: Finding The Subtype Of SQL Values ** METHOD: sqlite3_value @@ -6510,7 +6105,8 @@ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); ** object D and returns a pointer to that copy. ^The [sqlite3_value] returned ** is a [protected sqlite3_value] object even if the input is not. ** ^The sqlite3_value_dup(V) interface returns NULL if V is NULL or if a -** memory allocation fails. +** memory allocation fails. ^If V is a [pointer value], then the result +** of sqlite3_value_dup(V) is a NULL value. ** ** ^The sqlite3_value_free(V) interface frees an [sqlite3_value] object ** previously obtained from [sqlite3_value_dup()]. ^If V is a NULL pointer @@ -6541,7 +6137,7 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** ** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer ** when first called if N is less than or equal to zero or if a memory -** allocate error occurs. +** allocation error occurs. ** ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is ** determined by the N parameter on first successful call. Changing the @@ -6746,9 +6342,10 @@ typedef void (*sqlite3_destructor_type)(void*); ** of [SQLITE_UTF8], [SQLITE_UTF16], [SQLITE_UTF16BE], or [SQLITE_UTF16LE]. ** ^SQLite takes the text result from the application from ** the 2nd parameter of the sqlite3_result_text* interfaces. -** ^If the 3rd parameter to the sqlite3_result_text* interfaces -** is negative, then SQLite takes result text from the 2nd parameter -** through the first zero character. +** ^If the 3rd parameter to any of the sqlite3_result_text* interfaces +** other than sqlite3_result_text64() is negative, then SQLite computes +** the string length itself by searching the 2nd parameter for the first +** zero character. ** ^If the 3rd parameter to the sqlite3_result_text* interfaces ** is non-negative, then as many bytes (not characters) of the text ** pointed to by the 2nd parameter are taken as the application-defined @@ -7022,6 +6619,13 @@ SQLITE_API void sqlite3_activate_cerod( ** of the default VFS is not implemented correctly, or not implemented at ** all, then the behavior of sqlite3_sleep() may deviate from the description ** in the previous paragraphs. +** +** If a negative argument is passed to sqlite3_sleep() the results vary by +** VFS and operating system. Some system treat a negative argument as an +** instruction to sleep forever. Others understand it to mean do not sleep +** at all. ^In SQLite version 3.42.0 and later, a negative +** argument passed into sqlite3_sleep() is changed to zero before it is relayed +** down into the xSleep method of the VFS. */ SQLITE_API int sqlite3_sleep(int); @@ -7192,6 +6796,28 @@ SQLITE_API int sqlite3_get_autocommit(sqlite3*); */ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); +/* +** CAPI3REF: Return The Schema Name For A Database Connection +** METHOD: sqlite3 +** +** ^The sqlite3_db_name(D,N) interface returns a pointer to the schema name +** for the N-th database on database connection D, or a NULL pointer of N is +** out of range. An N value of 0 means the main database file. An N of 1 is +** the "temp" schema. Larger values of N correspond to various ATTACH-ed +** databases. +** +** Space to hold the string that is returned by sqlite3_db_name() is managed +** by SQLite itself. The string might be deallocated by any operation that +** changes the schema, including [ATTACH] or [DETACH] or calls to +** [sqlite3_serialize()] or [sqlite3_deserialize()], even operations that +** occur on a different thread. Applications that need to +** remember the string long-term should make their own copy. Applications that +** are accessing the same database connection simultaneously on multiple +** threads should mutex-protect calls to this API and should make their own +** private copy of the result prior to releasing the mutex. +*/ +SQLITE_API const char *sqlite3_db_name(sqlite3 *db, int N); + /* ** CAPI3REF: Return The Filename For A Database Connection ** METHOD: sqlite3 @@ -7222,7 +6848,7 @@ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); **
  • [sqlite3_filename_wal()] ** */ -SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); +SQLITE_API sqlite3_filename sqlite3_db_filename(sqlite3 *db, const char *zDbName); /* ** CAPI3REF: Determine if a database is read-only @@ -7234,6 +6860,57 @@ SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); */ SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName); +/* +** CAPI3REF: Determine the transaction state of a database +** METHOD: sqlite3 +** +** ^The sqlite3_txn_state(D,S) interface returns the current +** [transaction state] of schema S in database connection D. ^If S is NULL, +** then the highest transaction state of any schema on database connection D +** is returned. Transaction states are (in order of lowest to highest): +**
      +**
    1. SQLITE_TXN_NONE +**
    2. SQLITE_TXN_READ +**
    3. SQLITE_TXN_WRITE +**
    +** ^If the S argument to sqlite3_txn_state(D,S) is not the name of +** a valid schema, then -1 is returned. +*/ +SQLITE_API int sqlite3_txn_state(sqlite3*,const char *zSchema); + +/* +** CAPI3REF: Allowed return values from [sqlite3_txn_state()] +** KEYWORDS: {transaction state} +** +** These constants define the current transaction state of a database file. +** ^The [sqlite3_txn_state(D,S)] interface returns one of these +** constants in order to describe the transaction state of schema S +** in [database connection] D. +** +**
    +** [[SQLITE_TXN_NONE]]
    SQLITE_TXN_NONE
    +**
    The SQLITE_TXN_NONE state means that no transaction is currently +** pending.
    +** +** [[SQLITE_TXN_READ]]
    SQLITE_TXN_READ
    +**
    The SQLITE_TXN_READ state means that the database is currently +** in a read transaction. Content has been read from the database file +** but nothing in the database file has changed. The transaction state +** will advanced to SQLITE_TXN_WRITE if any changes occur and there are +** no other conflicting concurrent write transactions. The transaction +** state will revert to SQLITE_TXN_NONE following a [ROLLBACK] or +** [COMMIT].
    +** +** [[SQLITE_TXN_WRITE]]
    SQLITE_TXN_WRITE
    +**
    The SQLITE_TXN_WRITE state means that the database is currently +** in a write transaction. Content has been written to the database file +** but has not yet committed. The transaction state will change to +** to SQLITE_TXN_NONE at the next [ROLLBACK] or [COMMIT].
    +*/ +#define SQLITE_TXN_NONE 0 +#define SQLITE_TXN_READ 1 +#define SQLITE_TXN_WRITE 2 + /* ** CAPI3REF: Find the next prepared statement ** METHOD: sqlite3 @@ -7300,6 +6977,72 @@ SQLITE_API sqlite3_stmt *sqlite3_next_stmt(sqlite3 *pDb, sqlite3_stmt *pStmt); SQLITE_API void *sqlite3_commit_hook(sqlite3*, int(*)(void*), void*); SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); +/* +** CAPI3REF: Autovacuum Compaction Amount Callback +** METHOD: sqlite3 +** +** ^The sqlite3_autovacuum_pages(D,C,P,X) interface registers a callback +** function C that is invoked prior to each autovacuum of the database +** file. ^The callback is passed a copy of the generic data pointer (P), +** the schema-name of the attached database that is being autovacuumed, +** the size of the database file in pages, the number of free pages, +** and the number of bytes per page, respectively. The callback should +** return the number of free pages that should be removed by the +** autovacuum. ^If the callback returns zero, then no autovacuum happens. +** ^If the value returned is greater than or equal to the number of +** free pages, then a complete autovacuum happens. +** +**

    ^If there are multiple ATTACH-ed database files that are being +** modified as part of a transaction commit, then the autovacuum pages +** callback is invoked separately for each file. +** +**

    The callback is not reentrant. The callback function should +** not attempt to invoke any other SQLite interface. If it does, bad +** things may happen, including segmentation faults and corrupt database +** files. The callback function should be a simple function that +** does some arithmetic on its input parameters and returns a result. +** +** ^The X parameter to sqlite3_autovacuum_pages(D,C,P,X) is an optional +** destructor for the P parameter. ^If X is not NULL, then X(P) is +** invoked whenever the database connection closes or when the callback +** is overwritten by another invocation of sqlite3_autovacuum_pages(). +** +**

    ^There is only one autovacuum pages callback per database connection. +** ^Each call to the sqlite3_autovacuum_pages() interface overrides all +** previous invocations for that database connection. ^If the callback +** argument (C) to sqlite3_autovacuum_pages(D,C,P,X) is a NULL pointer, +** then the autovacuum steps callback is cancelled. The return value +** from sqlite3_autovacuum_pages() is normally SQLITE_OK, but might +** be some other error code if something goes wrong. The current +** implementation will only return SQLITE_OK or SQLITE_MISUSE, but other +** return codes might be added in future releases. +** +**

    If no autovacuum pages callback is specified (the usual case) or +** a NULL pointer is provided for the callback, +** then the default behavior is to vacuum all free pages. So, in other +** words, the default behavior is the same as if the callback function +** were something like this: +** +** 

    +**     unsigned int demonstration_autovac_pages_callback(
+**       void *pClientData,
+**       const char *zSchema,
+**       unsigned int nDbPage,
+**       unsigned int nFreePage,
+**       unsigned int nBytePerPage
+**     ){
+**       return nFreePage;
+**     }
+**
    +*/ +SQLITE_API int sqlite3_autovacuum_pages( + sqlite3 *db, + unsigned int(*)(void*,const char*,unsigned int,unsigned int,unsigned int), + void*, + void(*)(void*) +); + + /* ** CAPI3REF: Data Change Notification Callbacks ** METHOD: sqlite3 @@ -7363,6 +7106,11 @@ SQLITE_API void *sqlite3_update_hook( ** to the same database. Sharing is enabled if the argument is true ** and disabled if the argument is false.)^ ** +** This interface is omitted if SQLite is compiled with +** [-DSQLITE_OMIT_SHARED_CACHE]. The [-DSQLITE_OMIT_SHARED_CACHE] +** compile-time option is recommended because the +** [use of shared cache mode is discouraged]. +** ** ^Cache sharing is enabled and disabled for an entire process. ** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). ** In prior versions of SQLite, @@ -7461,7 +7209,7 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** ^The soft heap limit may not be greater than the hard heap limit. ** ^If the hard heap limit is enabled and if sqlite3_soft_heap_limit(N) ** is invoked with a value of N that is greater than the hard heap limit, -** the the soft heap limit is set to the value of the hard heap limit. +** the soft heap limit is set to the value of the hard heap limit. ** ^The soft heap limit is automatically enabled whenever the hard heap ** limit is enabled. ^When sqlite3_hard_heap_limit64(N) is invoked and ** the soft heap limit is outside the range of 1..N, then the soft heap @@ -7722,15 +7470,6 @@ SQLITE_API int sqlite3_cancel_auto_extension(void(*xEntryPoint)(void)); */ SQLITE_API void sqlite3_reset_auto_extension(void); -/* -** The interface to the virtual-table mechanism is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - /* ** Structures used by the virtual table interface */ @@ -7849,10 +7588,10 @@ struct sqlite3_module { ** when the omit flag is true there is no guarantee that the constraint will ** not be checked again using byte code.)^ ** -** ^The idxNum and idxPtr values are recorded and passed into the +** ^The idxNum and idxStr values are recorded and passed into the ** [xFilter] method. -** ^[sqlite3_free()] is used to free idxPtr if and only if -** needToFreeIdxPtr is true. +** ^[sqlite3_free()] is used to free idxStr if and only if +** needToFreeIdxStr is true. ** ** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in ** the correct order to satisfy the ORDER BY clause so that no separate @@ -7941,24 +7680,56 @@ struct sqlite3_index_info { ** ** These macros define the allowed values for the ** [sqlite3_index_info].aConstraint[].op field. Each value represents -** an operator that is part of a constraint term in the wHERE clause of +** an operator that is part of a constraint term in the WHERE clause of ** a query that uses a [virtual table]. -*/ -#define SQLITE_INDEX_CONSTRAINT_EQ 2 -#define SQLITE_INDEX_CONSTRAINT_GT 4 -#define SQLITE_INDEX_CONSTRAINT_LE 8 -#define SQLITE_INDEX_CONSTRAINT_LT 16 -#define SQLITE_INDEX_CONSTRAINT_GE 32 -#define SQLITE_INDEX_CONSTRAINT_MATCH 64 -#define SQLITE_INDEX_CONSTRAINT_LIKE 65 -#define SQLITE_INDEX_CONSTRAINT_GLOB 66 -#define SQLITE_INDEX_CONSTRAINT_REGEXP 67 -#define SQLITE_INDEX_CONSTRAINT_NE 68 -#define SQLITE_INDEX_CONSTRAINT_ISNOT 69 -#define SQLITE_INDEX_CONSTRAINT_ISNOTNULL 70 -#define SQLITE_INDEX_CONSTRAINT_ISNULL 71 -#define SQLITE_INDEX_CONSTRAINT_IS 72 -#define SQLITE_INDEX_CONSTRAINT_FUNCTION 150 +** +** ^The left-hand operand of the operator is given by the corresponding +** aConstraint[].iColumn field. ^An iColumn of -1 indicates the left-hand +** operand is the rowid. +** The SQLITE_INDEX_CONSTRAINT_LIMIT and SQLITE_INDEX_CONSTRAINT_OFFSET +** operators have no left-hand operand, and so for those operators the +** corresponding aConstraint[].iColumn is meaningless and should not be +** used. +** +** All operator values from SQLITE_INDEX_CONSTRAINT_FUNCTION through +** value 255 are reserved to represent functions that are overloaded +** by the [xFindFunction|xFindFunction method] of the virtual table +** implementation. +** +** The right-hand operands for each constraint might be accessible using +** the [sqlite3_vtab_rhs_value()] interface. Usually the right-hand +** operand is only available if it appears as a single constant literal +** in the input SQL. If the right-hand operand is another column or an +** expression (even a constant expression) or a parameter, then the +** sqlite3_vtab_rhs_value() probably will not be able to extract it. +** ^The SQLITE_INDEX_CONSTRAINT_ISNULL and +** SQLITE_INDEX_CONSTRAINT_ISNOTNULL operators have no right-hand operand +** and hence calls to sqlite3_vtab_rhs_value() for those operators will +** always return SQLITE_NOTFOUND. +** +** The collating sequence to be used for comparison can be found using +** the [sqlite3_vtab_collation()] interface. For most real-world virtual +** tables, the collating sequence of constraints does not matter (for example +** because the constraints are numeric) and so the sqlite3_vtab_collation() +** interface is not commonly needed. +*/ +#define SQLITE_INDEX_CONSTRAINT_EQ 2 +#define SQLITE_INDEX_CONSTRAINT_GT 4 +#define SQLITE_INDEX_CONSTRAINT_LE 8 +#define SQLITE_INDEX_CONSTRAINT_LT 16 +#define SQLITE_INDEX_CONSTRAINT_GE 32 +#define SQLITE_INDEX_CONSTRAINT_MATCH 64 +#define SQLITE_INDEX_CONSTRAINT_LIKE 65 +#define SQLITE_INDEX_CONSTRAINT_GLOB 66 +#define SQLITE_INDEX_CONSTRAINT_REGEXP 67 +#define SQLITE_INDEX_CONSTRAINT_NE 68 +#define SQLITE_INDEX_CONSTRAINT_ISNOT 69 +#define SQLITE_INDEX_CONSTRAINT_ISNOTNULL 70 +#define SQLITE_INDEX_CONSTRAINT_ISNULL 71 +#define SQLITE_INDEX_CONSTRAINT_IS 72 +#define SQLITE_INDEX_CONSTRAINT_LIMIT 73 +#define SQLITE_INDEX_CONSTRAINT_OFFSET 74 +#define SQLITE_INDEX_CONSTRAINT_FUNCTION 150 /* ** CAPI3REF: Register A Virtual Table Implementation @@ -7987,7 +7758,7 @@ struct sqlite3_index_info { ** destructor. ** ** ^If the third parameter (the pointer to the sqlite3_module object) is -** NULL then no new module is create and any existing modules with the +** NULL then no new module is created and any existing modules with the ** same name are dropped. ** ** See also: [sqlite3_drop_modules()] @@ -8099,16 +7870,6 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); */ SQLITE_API int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg); -/* -** The interface to the virtual-table mechanism defined above (back up -** to a comment remarkably similar to this one) is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - /* ** CAPI3REF: A Handle To An Open BLOB ** KEYWORDS: {BLOB handle} {BLOB handles} @@ -8492,9 +8253,9 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** is undefined if the mutex is not currently entered by the ** calling thread or is not currently allocated. ** -** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), or -** sqlite3_mutex_leave() is a NULL pointer, then all three routines -** behave as no-ops. +** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), +** sqlite3_mutex_leave(), or sqlite3_mutex_free() is a NULL pointer, +** then any of the four routines behaves as a no-op. ** ** See also: [sqlite3_mutex_held()] and [sqlite3_mutex_notheld()]. */ @@ -8760,7 +8521,12 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_RESULT_INTREAL 27 #define SQLITE_TESTCTRL_PRNG_SEED 28 #define SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS 29 -#define SQLITE_TESTCTRL_LAST 29 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_SEEK_COUNT 30 +#define SQLITE_TESTCTRL_TRACEFLAGS 31 +#define SQLITE_TESTCTRL_TUNE 32 +#define SQLITE_TESTCTRL_LOGEST 33 +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -9283,6 +9049,16 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** The counter is incremented on the first [sqlite3_step()] call of each ** cycle. ** +** [[SQLITE_STMTSTATUS_FILTER_MISS]] +** [[SQLITE_STMTSTATUS_FILTER HIT]] +**
    SQLITE_STMTSTATUS_FILTER_HIT
    +** SQLITE_STMTSTATUS_FILTER_MISS
    +**
    ^SQLITE_STMTSTATUS_FILTER_HIT is the number of times that a join +** step was bypassed because a Bloom filter returned not-found. The +** corresponding SQLITE_STMTSTATUS_FILTER_MISS value is the number of +** times that the Bloom filter returned a find, and thus the join step +** had to be processed as normal. +** ** [[SQLITE_STMTSTATUS_MEMUSED]]
    SQLITE_STMTSTATUS_MEMUSED
    **
    ^This is the approximate number of bytes of heap memory ** used to store the prepared statement. ^This value is not actually @@ -9297,6 +9073,8 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); #define SQLITE_STMTSTATUS_VM_STEP 4 #define SQLITE_STMTSTATUS_REPREPARE 5 #define SQLITE_STMTSTATUS_RUN 6 +#define SQLITE_STMTSTATUS_FILTER_MISS 7 +#define SQLITE_STMTSTATUS_FILTER_HIT 8 #define SQLITE_STMTSTATUS_MEMUSED 99 /* @@ -9708,7 +9486,7 @@ typedef struct sqlite3_backup sqlite3_backup; ** if the application incorrectly accesses the destination [database connection] ** and so no error code is reported, but the operations may malfunction ** nevertheless. Use of the destination database connection while a -** backup is in progress might also also cause a mutex deadlock. +** backup is in progress might also cause a mutex deadlock. ** ** If running in [shared cache mode], the application must ** guarantee that the shared cache used by the destination database @@ -9780,8 +9558,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections -** unlock-notify callback may also be canceled by closing the blocked +** unlock-notify callback is cancelled. ^The blocked connections +** unlock-notify callback may also be cancelled by closing the blocked ** connection using [sqlite3_close()]. ** ** The unlock-notify callback is not reentrant. If an application invokes @@ -9960,8 +9738,9 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** ** A single database handle may have at most a single write-ahead log callback ** registered at one time. ^Calling [sqlite3_wal_hook()] replaces any -** previously registered write-ahead log callback. ^Note that the -** [sqlite3_wal_autocheckpoint()] interface and the +** previously registered write-ahead log callback. ^The return value is +** a copy of the third parameter from the previous call, if any, or 0. +** ^Note that the [sqlite3_wal_autocheckpoint()] interface and the ** [wal_autocheckpoint pragma] both invoke [sqlite3_wal_hook()] and will ** overwrite any prior [sqlite3_wal_hook()] settings. */ @@ -10135,7 +9914,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( */ #define SQLITE_CHECKPOINT_PASSIVE 0 /* Do as much as possible w/o blocking */ #define SQLITE_CHECKPOINT_FULL 1 /* Wait for writers, then checkpoint */ -#define SQLITE_CHECKPOINT_RESTART 2 /* Like FULL but wait for for readers */ +#define SQLITE_CHECKPOINT_RESTART 2 /* Like FULL but wait for readers */ #define SQLITE_CHECKPOINT_TRUNCATE 3 /* Like RESTART but also truncate WAL */ /* @@ -10203,7 +9982,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]
    SQLITE_VTAB_DIRECTONLY
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
    @@ -10211,18 +9990,28 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_INNOCUOUS]]
    SQLITE_VTAB_INNOCUOUS
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** identify that virtual table as being safe to use from within triggers ** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the ** virtual table can do no serious harm even if it is controlled by a ** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS ** flag unless absolutely necessary. **
    +** +** [[SQLITE_VTAB_USES_ALL_SCHEMAS]]
    SQLITE_VTAB_USES_ALL_SCHEMAS
    +**
    Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_USES_ALL_SCHEMA) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implementation +** instruct the query planner to begin at least a read transaction on +** all schemas ("main", "temp", and any ATTACH-ed databases) whenever the +** virtual table is used. +**
    **
    */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 #define SQLITE_VTAB_INNOCUOUS 2 #define SQLITE_VTAB_DIRECTONLY 3 +#define SQLITE_VTAB_USES_ALL_SCHEMAS 4 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -10240,10 +10029,11 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *); ** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE ** ** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn] -** method of a [virtual table], then it returns true if and only if the +** method of a [virtual table], then it might return true if the ** column is being fetched as part of an UPDATE operation during which the -** column value will not change. Applications might use this to substitute -** a return value that is less expensive to compute and that the corresponding +** column value will not change. The virtual table implementation can use +** this hint as permission to substitute a return value that is less +** expensive to compute and that the corresponding ** [xUpdate] method understands as a "no-change" value. ** ** If the [xColumn] method calls sqlite3_vtab_nochange() and finds that @@ -10252,23 +10042,285 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *); ** any of the [sqlite3_result_int|sqlite3_result_xxxxx() interfaces]. ** In that case, [sqlite3_value_nochange(X)] will return true for the ** same column in the [xUpdate] method. +** +** The sqlite3_vtab_nochange() routine is an optimization. Virtual table +** implementations should continue to give a correct answer even if the +** sqlite3_vtab_nochange() interface were to always return false. In the +** current implementation, the sqlite3_vtab_nochange() interface does always +** returns false for the enhanced [UPDATE FROM] statement. */ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); /* ** CAPI3REF: Determine The Collation For a Virtual Table Constraint +** METHOD: sqlite3_index_info ** ** This function may only be called from within a call to the [xBestIndex] -** method of a [virtual table]. +** method of a [virtual table]. This function returns a pointer to a string +** that is the name of the appropriate collation sequence to use for text +** comparisons on the constraint identified by its arguments. +** +** The first argument must be the pointer to the [sqlite3_index_info] object +** that is the first parameter to the xBestIndex() method. The second argument +** must be an index into the aConstraint[] array belonging to the +** sqlite3_index_info structure passed to xBestIndex. +** +** Important: +** The first parameter must be the same pointer that is passed into the +** xBestMethod() method. The first parameter may not be a pointer to a +** different [sqlite3_index_info] object, even an exact copy. +** +** The return value is computed as follows: +** +**
      +**

    1. If the constraint comes from a WHERE clause expression that contains +** a [COLLATE operator], then the name of the collation specified by +** that COLLATE operator is returned. +**

    2. If there is no COLLATE operator, but the column that is the subject +** of the constraint specifies an alternative collating sequence via +** a [COLLATE clause] on the column definition within the CREATE TABLE +** statement that was passed into [sqlite3_declare_vtab()], then the +** name of that alternative collating sequence is returned. +**

    3. Otherwise, "BINARY" is returned. +**

    +*/ +SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info*,int); + +/* +** CAPI3REF: Determine if a virtual table query is DISTINCT +** METHOD: sqlite3_index_info +** +** This API may only be used from within an [xBestIndex|xBestIndex method] +** of a [virtual table] implementation. The result of calling this +** interface from outside of xBestIndex() is undefined and probably harmful. +** +** ^The sqlite3_vtab_distinct() interface returns an integer between 0 and +** 3. The integer returned by sqlite3_vtab_distinct() +** gives the virtual table additional information about how the query +** planner wants the output to be ordered. As long as the virtual table +** can meet the ordering requirements of the query planner, it may set +** the "orderByConsumed" flag. +** +**

    1. +** ^If the sqlite3_vtab_distinct() interface returns 0, that means +** that the query planner needs the virtual table to return all rows in the +** sort order defined by the "nOrderBy" and "aOrderBy" fields of the +** [sqlite3_index_info] object. This is the default expectation. If the +** virtual table outputs all rows in sorted order, then it is always safe for +** the xBestIndex method to set the "orderByConsumed" flag, regardless of +** the return value from sqlite3_vtab_distinct(). +**

    2. +** ^(If the sqlite3_vtab_distinct() interface returns 1, that means +** that the query planner does not need the rows to be returned in sorted order +** as long as all rows with the same values in all columns identified by the +** "aOrderBy" field are adjacent.)^ This mode is used when the query planner +** is doing a GROUP BY. +**

    3. +** ^(If the sqlite3_vtab_distinct() interface returns 2, that means +** that the query planner does not need the rows returned in any particular +** order, as long as rows with the same values in all "aOrderBy" columns +** are adjacent.)^ ^(Furthermore, only a single row for each particular +** combination of values in the columns identified by the "aOrderBy" field +** needs to be returned.)^ ^It is always ok for two or more rows with the same +** values in all "aOrderBy" columns to be returned, as long as all such rows +** are adjacent. ^The virtual table may, if it chooses, omit extra rows +** that have the same value for all columns identified by "aOrderBy". +** ^However omitting the extra rows is optional. +** This mode is used for a DISTINCT query. +**

    4. +** ^(If the sqlite3_vtab_distinct() interface returns 3, that means +** that the query planner needs only distinct rows but it does need the +** rows to be sorted.)^ ^The virtual table implementation is free to omit +** rows that are identical in all aOrderBy columns, if it wants to, but +** it is not required to omit any rows. This mode is used for queries +** that have both DISTINCT and ORDER BY clauses. +**

    +** +** ^For the purposes of comparing virtual table output values to see if the +** values are same value for sorting purposes, two NULL values are considered +** to be the same. In other words, the comparison operator is "IS" +** (or "IS NOT DISTINCT FROM") and not "==". +** +** If a virtual table implementation is unable to meet the requirements +** specified above, then it must not set the "orderByConsumed" flag in the +** [sqlite3_index_info] object or an incorrect answer may result. +** +** ^A virtual table implementation is always free to return rows in any order +** it wants, as long as the "orderByConsumed" flag is not set. ^When the +** the "orderByConsumed" flag is unset, the query planner will add extra +** [bytecode] to ensure that the final results returned by the SQL query are +** ordered correctly. The use of the "orderByConsumed" flag and the +** sqlite3_vtab_distinct() interface is merely an optimization. ^Careful +** use of the sqlite3_vtab_distinct() interface and the "orderByConsumed" +** flag might help queries against a virtual table to run faster. Being +** overly aggressive and setting the "orderByConsumed" flag when it is not +** valid to do so, on the other hand, might cause SQLite to return incorrect +** results. +*/ +SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); + +/* +** CAPI3REF: Identify and handle IN constraints in xBestIndex +** +** This interface may only be used from within an +** [xBestIndex|xBestIndex() method] of a [virtual table] implementation. +** The result of invoking this interface from any other context is +** undefined and probably harmful. +** +** ^(A constraint on a virtual table of the form +** "[IN operator|column IN (...)]" is +** communicated to the xBestIndex method as a +** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use +** this constraint, it must set the corresponding +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under +** the usual mode of handling IN operators, SQLite generates [bytecode] +** that invokes the [xFilter|xFilter() method] once for each value +** on the right-hand side of the IN operator.)^ Thus the virtual table +** only sees a single value from the right-hand side of the IN operator +** at a time. +** +** In some cases, however, it would be advantageous for the virtual +** table to see all values on the right-hand of the IN operator all at +** once. The sqlite3_vtab_in() interfaces facilitates this in two ways: +** +**
      +**

    1. +** ^A call to sqlite3_vtab_in(P,N,-1) will return true (non-zero) +** if and only if the [sqlite3_index_info|P->aConstraint][N] constraint +** is an [IN operator] that can be processed all at once. ^In other words, +** sqlite3_vtab_in() with -1 in the third argument is a mechanism +** by which the virtual table can ask SQLite if all-at-once processing +** of the IN operator is even possible. +** +**

    2. +** ^A call to sqlite3_vtab_in(P,N,F) with F==1 or F==0 indicates +** to SQLite that the virtual table does or does not want to process +** the IN operator all-at-once, respectively. ^Thus when the third +** parameter (F) is non-negative, this interface is the mechanism by +** which the virtual table tells SQLite how it wants to process the +** IN operator. +**

    ** -** The first argument must be the sqlite3_index_info object that is the -** first parameter to the xBestIndex() method. The second argument must be -** an index into the aConstraint[] array belonging to the sqlite3_index_info -** structure passed to xBestIndex. This function returns a pointer to a buffer -** containing the name of the collation sequence for the corresponding -** constraint. +** ^The sqlite3_vtab_in(P,N,F) interface can be invoked multiple times +** within the same xBestIndex method call. ^For any given P,N pair, +** the return value from sqlite3_vtab_in(P,N,F) will always be the same +** within the same xBestIndex call. ^If the interface returns true +** (non-zero), that means that the constraint is an IN operator +** that can be processed all-at-once. ^If the constraint is not an IN +** operator or cannot be processed all-at-once, then the interface returns +** false. +** +** ^(All-at-once processing of the IN operator is selected if both of the +** following conditions are met: +** +**
      +**

    1. The P->aConstraintUsage[N].argvIndex value is set to a positive +** integer. This is how the virtual table tells SQLite that it wants to +** use the N-th constraint. +** +**

    2. The last call to sqlite3_vtab_in(P,N,F) for which F was +** non-negative had F>=1. +**

    )^ +** +** ^If either or both of the conditions above are false, then SQLite uses +** the traditional one-at-a-time processing strategy for the IN constraint. +** ^If both conditions are true, then the argvIndex-th parameter to the +** xFilter method will be an [sqlite3_value] that appears to be NULL, +** but which can be passed to [sqlite3_vtab_in_first()] and +** [sqlite3_vtab_in_next()] to find all values on the right-hand side +** of the IN constraint. */ -SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_info*,int); +SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle); + +/* +** CAPI3REF: Find all elements on the right-hand side of an IN constraint. +** +** These interfaces are only useful from within the +** [xFilter|xFilter() method] of a [virtual table] implementation. +** The result of invoking these interfaces from any other context +** is undefined and probably harmful. +** +** The X parameter in a call to sqlite3_vtab_in_first(X,P) or +** sqlite3_vtab_in_next(X,P) should be one of the parameters to the +** xFilter method which invokes these routines, and specifically +** a parameter that was previously selected for all-at-once IN constraint +** processing use the [sqlite3_vtab_in()] interface in the +** [xBestIndex|xBestIndex method]. ^(If the X parameter is not +** an xFilter argument that was selected for all-at-once IN constraint +** processing, then these routines return [SQLITE_ERROR].)^ +** +** ^(Use these routines to access all values on the right-hand side +** of the IN constraint using code like the following: +** +** 
    +**    for(rc=sqlite3_vtab_in_first(pList, &pVal);
+**        rc==SQLITE_OK && pVal;
+**        rc=sqlite3_vtab_in_next(pList, &pVal)
+**    ){
+**      // do something with pVal
+**    }
+**    if( rc!=SQLITE_OK ){
+**      // an error has occurred
+**    }
+**
    )^ +** +** ^On success, the sqlite3_vtab_in_first(X,P) and sqlite3_vtab_in_next(X,P) +** routines return SQLITE_OK and set *P to point to the first or next value +** on the RHS of the IN constraint. ^If there are no more values on the +** right hand side of the IN constraint, then *P is set to NULL and these +** routines return [SQLITE_DONE]. ^The return value might be +** some other value, such as SQLITE_NOMEM, in the event of a malfunction. +** +** The *ppOut values returned by these routines are only valid until the +** next call to either of these routines or until the end of the xFilter +** method from which these routines were called. If the virtual table +** implementation needs to retain the *ppOut values for longer, it must make +** copies. The *ppOut values are [protected sqlite3_value|protected]. +*/ +SQLITE_API int sqlite3_vtab_in_first(sqlite3_value *pVal, sqlite3_value **ppOut); +SQLITE_API int sqlite3_vtab_in_next(sqlite3_value *pVal, sqlite3_value **ppOut); + +/* +** CAPI3REF: Constraint values in xBestIndex() +** METHOD: sqlite3_index_info +** +** This API may only be used from within the [xBestIndex|xBestIndex method] +** of a [virtual table] implementation. The result of calling this interface +** from outside of an xBestIndex method are undefined and probably harmful. +** +** ^When the sqlite3_vtab_rhs_value(P,J,V) interface is invoked from within +** the [xBestIndex] method of a [virtual table] implementation, with P being +** a copy of the [sqlite3_index_info] object pointer passed into xBestIndex and +** J being a 0-based index into P->aConstraint[], then this routine +** attempts to set *V to the value of the right-hand operand of +** that constraint if the right-hand operand is known. ^If the +** right-hand operand is not known, then *V is set to a NULL pointer. +** ^The sqlite3_vtab_rhs_value(P,J,V) interface returns SQLITE_OK if +** and only if *V is set to a value. ^The sqlite3_vtab_rhs_value(P,J,V) +** inteface returns SQLITE_NOTFOUND if the right-hand side of the J-th +** constraint is not available. ^The sqlite3_vtab_rhs_value() interface +** can return an result code other than SQLITE_OK or SQLITE_NOTFOUND if +** something goes wrong. +** +** The sqlite3_vtab_rhs_value() interface is usually only successful if +** the right-hand operand of a constraint is a literal value in the original +** SQL statement. If the right-hand operand is an expression or a reference +** to some other column or a [host parameter], then sqlite3_vtab_rhs_value() +** will probably return [SQLITE_NOTFOUND]. +** +** ^(Some constraints, such as [SQLITE_INDEX_CONSTRAINT_ISNULL] and +** [SQLITE_INDEX_CONSTRAINT_ISNOTNULL], have no right-hand operand. For such +** constraints, sqlite3_vtab_rhs_value() always returns SQLITE_NOTFOUND.)^ +** +** ^The [sqlite3_value] object returned in *V is a protected sqlite3_value +** and remains valid for the duration of the xBestIndex method call. +** ^When xBestIndex returns, the sqlite3_value object returned by +** sqlite3_vtab_rhs_value() is automatically deallocated. +** +** The "_rhs_" in the name of this routine is an abbreviation for +** "Right-Hand Side". +*/ +SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value **ppVal); /* ** CAPI3REF: Conflict resolution modes @@ -10300,6 +10352,10 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** managed by the prepared statement S and will be automatically freed when ** S is finalized. ** +** Not all values are available for all query elements. When a value is +** not available, the output variable is set to -1 if the value is numeric, +** or to NULL if it is a string (SQLITE_SCANSTAT_NAME). +** **
    ** [[SQLITE_SCANSTAT_NLOOP]]
    SQLITE_SCANSTAT_NLOOP
    **
    ^The [sqlite3_int64] variable pointed to by the V parameter will be @@ -10327,12 +10383,24 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** -** [[SQLITE_SCANSTAT_SELECTID]]
    SQLITE_SCANSTAT_SELECT
    +** [[SQLITE_SCANSTAT_SELECTID]]
    SQLITE_SCANSTAT_SELECTID
    **
    ^The "int" variable pointed to by the V parameter will be set to the -** "select-id" for the X-th loop. The select-id identifies which query or -** subquery the loop is part of. The main query has a select-id of zero. -** The select-id is the same value as is output in the first column -** of an [EXPLAIN QUERY PLAN] query. +** id for the X-th query plan element. The id value is unique within the +** statement. The select-id is the same value as is output in the first +** column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_PARENTID]]
    SQLITE_SCANSTAT_PARENTID
    +**
    The "int" variable pointed to by the V parameter will be set to the +** the id of the parent of the current query element, if applicable, or +** to zero if the query element has no parent. This is the same value as +** returned in the second column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_NCYCLE]]
    SQLITE_SCANSTAT_NCYCLE
    +**
    The sqlite3_int64 output value is set to the number of cycles, +** according to the processor time-stamp counter, that elapsed while the +** query element was being processed. This value is not available for +** all query elements - if it is unavailable the output variable is +** set to -1. **
    */ #define SQLITE_SCANSTAT_NLOOP 0 @@ -10341,12 +10409,14 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ #define SQLITE_SCANSTAT_NAME 3 #define SQLITE_SCANSTAT_EXPLAIN 4 #define SQLITE_SCANSTAT_SELECTID 5 +#define SQLITE_SCANSTAT_PARENTID 6 +#define SQLITE_SCANSTAT_NCYCLE 7 /* ** CAPI3REF: Prepared Statement Scan Status ** METHOD: sqlite3_stmt ** -** This interface returns information about the predicted and measured +** These interfaces return information about the predicted and measured ** performance for pStmt. Advanced applications can use this ** interface to compare the predicted and the measured performance and ** issue warnings and/or rerun [ANALYZE] if discrepancies are found. @@ -10357,19 +10427,25 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** ** The "iScanStatusOp" parameter determines which status information to return. ** The "iScanStatusOp" must be one of the [scanstatus options] or the behavior -** of this interface is undefined. -** ^The requested measurement is written into a variable pointed to by -** the "pOut" parameter. -** Parameter "idx" identifies the specific loop to retrieve statistics for. -** Loops are numbered starting from zero. ^If idx is out of range - less than -** zero or greater than or equal to the total number of loops used to implement -** the statement - a non-zero value is returned and the variable that pOut -** points to is unchanged. -** -** ^Statistics might not be available for all loops in all statements. ^In cases -** where there exist loops with no available statistics, this function behaves -** as if the loop did not exist - it returns non-zero and leave the variable -** that pOut points to unchanged. +** of this interface is undefined. ^The requested measurement is written into +** a variable pointed to by the "pOut" parameter. +** +** The "flags" parameter must be passed a mask of flags. At present only +** one flag is defined - SQLITE_SCANSTAT_COMPLEX. If SQLITE_SCANSTAT_COMPLEX +** is specified, then status information is available for all elements +** of a query plan that are reported by "EXPLAIN QUERY PLAN" output. If +** SQLITE_SCANSTAT_COMPLEX is not specified, then only query plan elements +** that correspond to query loops (the "SCAN..." and "SEARCH..." elements of +** the EXPLAIN QUERY PLAN output) are available. Invoking API +** sqlite3_stmt_scanstatus() is equivalent to calling +** sqlite3_stmt_scanstatus_v2() with a zeroed flags parameter. +** +** Parameter "idx" identifies the specific query element to retrieve statistics +** for. Query elements are numbered starting from zero. A value of -1 may be +** to query for statistics regarding the entire query. ^If idx is out of range +** - less than -1 or greater than or equal to the total number of query +** elements used to implement the statement - a non-zero value is returned and +** the variable that pOut points to is unchanged. ** ** See also: [sqlite3_stmt_scanstatus_reset()] */ @@ -10379,6 +10455,19 @@ SQLITE_API int sqlite3_stmt_scanstatus( int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ ); +SQLITE_API int sqlite3_stmt_scanstatus_v2( + sqlite3_stmt *pStmt, /* Prepared statement for which info desired */ + int idx, /* Index of loop to report on */ + int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ + int flags, /* Mask of flags defined below */ + void *pOut /* Result written here */ +); + +/* +** CAPI3REF: Prepared Statement Scan Status +** KEYWORDS: {scan status flags} +*/ +#define SQLITE_SCANSTAT_COMPLEX 0x0001 /* ** CAPI3REF: Zero Scan-Status Counters @@ -10393,6 +10482,7 @@ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt*); /* ** CAPI3REF: Flush caches to disk mid-transaction +** METHOD: sqlite3 ** ** ^If a write-transaction is open on [database connection] D when the ** [sqlite3_db_cacheflush(D)] interface invoked, any dirty @@ -10425,6 +10515,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); /* ** CAPI3REF: The pre-update hook. +** METHOD: sqlite3 ** ** ^These interfaces are only available if SQLite is compiled using the ** [SQLITE_ENABLE_PREUPDATE_HOOK] compile-time option. @@ -10465,7 +10556,11 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** seventh parameter is the final rowid value of the row being inserted ** or updated. The value of the seventh parameter passed to the callback ** function is not defined for operations on WITHOUT ROWID tables, or for -** INSERT operations on rowid tables. +** DELETE operations on rowid tables. +** +** ^The sqlite3_preupdate_hook(D,C,P) function returns the P argument from +** the previous call on the same [database connection] D, or NULL for +** the first call on D. ** ** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()], ** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces @@ -10503,6 +10598,15 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** triggers; or 2 for changes resulting from triggers called by top-level ** triggers; and so forth. ** +** When the [sqlite3_blob_write()] API is used to update a blob column, +** the pre-update hook is invoked with SQLITE_DELETE. This is because the +** in this case the new values are not available. In this case, when a +** callback made with op==SQLITE_DELETE is actually a write using the +** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns +** the index of the column being written. In other cases, where the +** pre-update hook is being invoked for some other reason, including a +** regular DELETE, sqlite3_preupdate_blobwrite() returns -1. +** ** See also: [sqlite3_update_hook()] */ #if defined(SQLITE_ENABLE_PREUPDATE_HOOK) @@ -10523,10 +10627,12 @@ SQLITE_API int sqlite3_preupdate_old(sqlite3 *, int, sqlite3_value **); SQLITE_API int sqlite3_preupdate_count(sqlite3 *); SQLITE_API int sqlite3_preupdate_depth(sqlite3 *); SQLITE_API int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **); +SQLITE_API int sqlite3_preupdate_blobwrite(sqlite3 *); #endif /* ** CAPI3REF: Low-level system error code +** METHOD: sqlite3 ** ** ^Attempt to return the underlying operating system error code or error ** number that caused the most recent I/O error or failure to open a file. @@ -10760,8 +10866,8 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** SQLITE_SERIALIZE_NOCOPY bit is omitted from argument F if a memory ** allocation error occurs. ** -** This interface is only available if SQLite is compiled with the -** [SQLITE_ENABLE_DESERIALIZE] option. +** This interface is omitted if SQLite is compiled with the +** [SQLITE_OMIT_DESERIALIZE] option. */ SQLITE_API unsigned char *sqlite3_serialize( sqlite3 *db, /* The database connection */ @@ -10808,12 +10914,16 @@ SQLITE_API unsigned char *sqlite3_serialize( ** database is currently in a read transaction or is involved in a backup ** operation. ** +** It is not possible to deserialized into the TEMP database. If the +** S argument to sqlite3_deserialize(D,S,P,N,M,F) is "temp" then the +** function returns SQLITE_ERROR. +** ** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. ** -** This interface is only available if SQLite is compiled with the -** [SQLITE_ENABLE_DESERIALIZE] option. +** This interface is omitted if SQLite is compiled with the +** [SQLITE_OMIT_DESERIALIZE] option. */ SQLITE_API int sqlite3_deserialize( sqlite3 *db, /* The database connection */ @@ -10857,6 +10967,19 @@ SQLITE_API int sqlite3_deserialize( # undef double #endif +#if defined(__wasi__) +# undef SQLITE_WASI +# define SQLITE_WASI 1 +# undef SQLITE_OMIT_WAL +# define SQLITE_OMIT_WAL 1/* because it requires shared memory APIs */ +# ifndef SQLITE_OMIT_LOAD_EXTENSION +# define SQLITE_OMIT_LOAD_EXTENSION +# endif +# ifndef SQLITE_THREADSAFE +# define SQLITE_THREADSAFE 0 +# endif +#endif + #if 0 } /* End of the 'extern "C"' block */ #endif @@ -11062,6 +11185,51 @@ SQLITE_API int sqlite3session_create( */ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); +/* +** CAPI3REF: Configure a Session Object +** METHOD: sqlite3_session +** +** This method is used to configure a session object after it has been +** created. At present the only valid values for the second parameter are +** [SQLITE_SESSION_OBJCONFIG_SIZE] and [SQLITE_SESSION_OBJCONFIG_ROWID]. +** +*/ +SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); + +/* +** CAPI3REF: Options for sqlite3session_object_config +** +** The following values may passed as the the 2nd parameter to +** sqlite3session_object_config(). +** +**
    SQLITE_SESSION_OBJCONFIG_SIZE
    +** This option is used to set, clear or query the flag that enables +** the [sqlite3session_changeset_size()] API. Because it imposes some +** computational overhead, this API is disabled by default. Argument +** pArg must point to a value of type (int). If the value is initially +** 0, then the sqlite3session_changeset_size() API is disabled. If it +** is greater than 0, then the same API is enabled. Or, if the initial +** value is less than zero, no change is made. In all cases the (int) +** variable is set to 1 if the sqlite3session_changeset_size() API is +** enabled following the current call, or 0 otherwise. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. +** +**
    SQLITE_SESSION_OBJCONFIG_ROWID
    +** This option is used to set, clear or query the flag that enables +** collection of data for tables with no explicit PRIMARY KEY. +** +** Normally, tables with no explicit PRIMARY KEY are simply ignored +** by the sessions module. However, if this flag is set, it behaves +** as if such tables have a column "_rowid_ INTEGER PRIMARY KEY" inserted +** as their leftmost columns. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. +*/ +#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_ROWID 2 /* ** CAPI3REF: Enable Or Disable A Session Object @@ -11306,6 +11474,22 @@ SQLITE_API int sqlite3session_changeset( void **ppChangeset /* OUT: Buffer containing changeset */ ); +/* +** CAPI3REF: Return An Upper-limit For The Size Of The Changeset +** METHOD: sqlite3_session +** +** By default, this function always returns 0. For it to return +** a useful result, the sqlite3_session object must have been configured +** to enable this API using sqlite3session_object_config() with the +** SQLITE_SESSION_OBJCONFIG_SIZE verb. +** +** When enabled, this function returns an upper limit, in bytes, for the size +** of the changeset that might be produced if sqlite3session_changeset() were +** called. The final changeset size might be equal to or smaller than the +** size in bytes returned by this function. +*/ +SQLITE_API sqlite3_int64 sqlite3session_changeset_size(sqlite3_session *pSession); + /* ** CAPI3REF: Load The Difference Between Tables Into A Session ** METHOD: sqlite3_session @@ -11423,6 +11607,14 @@ SQLITE_API int sqlite3session_patchset( */ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); +/* +** CAPI3REF: Query for the amount of heap memory used by a session object. +** +** This API returns the total amount of heap memory in bytes currently +** used by the session object passed as the only argument. +*/ +SQLITE_API sqlite3_int64 sqlite3session_memory_used(sqlite3_session *pSession); + /* ** CAPI3REF: Create An Iterator To Traverse A Changeset ** CONSTRUCTOR: sqlite3_changeset_iter @@ -11525,18 +11717,23 @@ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); ** call to [sqlite3changeset_next()] must have returned [SQLITE_ROW]. If this ** is not the case, this function returns [SQLITE_MISUSE]. ** -** If argument pzTab is not NULL, then *pzTab is set to point to a -** nul-terminated utf-8 encoded string containing the name of the table -** affected by the current change. The buffer remains valid until either -** sqlite3changeset_next() is called on the iterator or until the -** conflict-handler function returns. If pnCol is not NULL, then *pnCol is -** set to the number of columns in the table affected by the change. If -** pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change +** Arguments pOp, pnCol and pzTab may not be NULL. Upon return, three +** outputs are set through these pointers: +** +** *pOp is set to one of [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], +** depending on the type of change that the iterator currently points to; +** +** *pnCol is set to the number of columns in the table affected by the change; and +** +** *pzTab is set to point to a nul-terminated utf-8 encoded string containing +** the name of the table affected by the current change. The buffer remains +** valid until either sqlite3changeset_next() is called on the iterator +** or until the conflict-handler function returns. +** +** If pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change ** is an indirect change, or false (0) otherwise. See the documentation for ** [sqlite3session_indirect()] for a description of direct and indirect -** changes. Finally, if pOp is not NULL, then *pOp is set to one of -** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the -** type of change that the iterator currently points to. +** changes. ** ** If no error occurs, SQLITE_OK is returned. If an error does occur, an ** SQLite error code is returned. The values of the output variables may not @@ -12165,9 +12362,23 @@ SQLITE_API int sqlite3changeset_apply_v2( ** Invert the changeset before applying it. This is equivalent to inverting ** a changeset using sqlite3changeset_invert() before applying it. It is ** an error to specify this flag with a patchset. +** +**
    SQLITE_CHANGESETAPPLY_IGNORENOOP
    +** Do not invoke the conflict handler callback for any changes that +** would not actually modify the database even if they were applied. +** Specifically, this means that the conflict handler is not invoked +** for: +**
      +**
    • a delete change if the row being deleted cannot be found, +**
    • an update change if the modified fields are already set to +** their new values in the conflicting row, or +**
    • an insert change if all fields of the conflicting row match +** the row being inserted. +**
    */ #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 +#define SQLITE_CHANGESETAPPLY_IGNORENOOP 0x0004 /* ** CAPI3REF: Constants Passed To The Conflict Handler @@ -12908,7 +13119,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -13137,8 +13348,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -13186,7 +13397,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -13195,7 +13406,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -13203,7 +13414,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -13224,12 +13435,17 @@ struct fts5_api { /************** End of sqlite3.h *********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ +/* +** Reuse the STATIC_LRU for mutex access to sqlite3_temp_directory. +*/ +#define SQLITE_MUTEX_STATIC_TEMPDIR SQLITE_MUTEX_STATIC_VFS1 + /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ #if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) -/* #include "config.h" */ +#include "sqlite_cfg.h" #define SQLITECONFIG_H 1 #endif @@ -13297,11 +13513,7 @@ struct fts5_api { ** The maximum depth of an expression tree. This is limited to ** some extent by SQLITE_MAX_SQL_LENGTH. But sometime you might ** want to place more severe limits on the complexity of an -** expression. -** -** A value of 0 used to mean that the limit was not enforced. -** But that is no longer true. The limit is now strictly enforced -** at all times. +** expression. A value of 0 means that there is no limit. */ #ifndef SQLITE_MAX_EXPR_DEPTH # define SQLITE_MAX_EXPR_DEPTH 1000 @@ -13313,7 +13525,7 @@ struct fts5_api { ** level of recursion for each term. A stack overflow can result ** if the number of terms is too large. In practice, most SQL ** never has more than 3 or 4 terms. Use a value of 0 to disable -** any limit on the number of terms in a compount SELECT. +** any limit on the number of terms in a compound SELECT. */ #ifndef SQLITE_MAX_COMPOUND_SELECT # define SQLITE_MAX_COMPOUND_SELECT 500 @@ -13463,16 +13675,18 @@ struct fts5_api { #endif /* -** WAL mode depends on atomic aligned 32-bit loads and stores in a few -** places. The following macros try to make this explicit. +** A few places in the code require atomic load/store of aligned +** integer values. */ #ifndef __has_extension # define __has_extension(x) 0 /* compatibility with non-clang compilers */ #endif #if GCC_VERSION>=4007000 || __has_extension(c_atomic) +# define SQLITE_ATOMIC_INTRINSICS 1 # define AtomicLoad(PTR) __atomic_load_n((PTR),__ATOMIC_RELAXED) # define AtomicStore(PTR,VAL) __atomic_store_n((PTR),(VAL),__ATOMIC_RELAXED) #else +# define SQLITE_ATOMIC_INTRINSICS 0 # define AtomicLoad(PTR) (*(PTR)) # define AtomicStore(PTR,VAL) (*(PTR) = (VAL)) #endif @@ -13518,15 +13732,22 @@ struct fts5_api { #endif /* -** A macro to hint to the compiler that a function should not be +** Macros to hint to the compiler that a function should or should not be ** inlined. */ #if defined(__GNUC__) # define SQLITE_NOINLINE __attribute__((noinline)) +# define SQLITE_INLINE __attribute__((always_inline)) inline #elif defined(_MSC_VER) && _MSC_VER>=1310 # define SQLITE_NOINLINE __declspec(noinline) +# define SQLITE_INLINE __forceinline #else # define SQLITE_NOINLINE +# define SQLITE_INLINE +#endif +#if defined(SQLITE_COVERAGE_TEST) || defined(__STRICT_ANSI__) +# undef SQLITE_INLINE +# define SQLITE_INLINE #endif /* @@ -13677,11 +13898,12 @@ struct fts5_api { ** is significant and used at least once. On switch statements ** where multiple cases go to the same block of code, testcase() ** can insure that all cases are evaluated. -** */ -#ifdef SQLITE_COVERAGE_TEST -SQLITE_PRIVATE void sqlite3Coverage(int); -# define testcase(X) if( X ){ sqlite3Coverage(__LINE__); } +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG) +# ifndef SQLITE_AMALGAMATION + extern unsigned int sqlite3CoverageCounter; +# endif +# define testcase(X) if( X ){ sqlite3CoverageCounter += (unsigned)__LINE__; } #else # define testcase(X) #endif @@ -13711,6 +13933,14 @@ SQLITE_PRIVATE void sqlite3Coverage(int); # define VVA_ONLY(X) #endif +/* +** Disable ALWAYS() and NEVER() (make them pass-throughs) for coverage +** and mutation testing +*/ +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_MUTATION_TEST) +# define SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS 1 +#endif + /* ** The ALWAYS and NEVER macros surround boolean expressions which ** are intended to always be true or false, respectively. Such @@ -13726,7 +13956,7 @@ SQLITE_PRIVATE void sqlite3Coverage(int); ** be true and false so that the unreachable code they specify will ** not be counted as untested code. */ -#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_MUTATION_TEST) +#if defined(SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS) # define ALWAYS(X) (1) # define NEVER(X) (0) #elif !defined(NDEBUG) @@ -13737,26 +13967,6 @@ SQLITE_PRIVATE void sqlite3Coverage(int); # define NEVER(X) (X) #endif -/* -** The harmless(X) macro indicates that expression X is usually false -** but can be true without causing any problems, but we don't know of -** any way to cause X to be true. -** -** In debugging and testing builds, this macro will abort if X is ever -** true. In this way, developers are alerted to a possible test case -** that causes X to be true. If a harmless macro ever fails, that is -** an opportunity to change the macro into a testcase() and add a new -** test case to the test suite. -** -** For normal production builds, harmless(X) is a no-op, since it does -** not matter whether expression X is true or false. -*/ -#ifdef SQLITE_DEBUG -# define harmless(X) assert(!(X)); -#else -# define harmless(X) -#endif - /* ** Some conditionals are optimizations only. In other words, if the ** conditionals are replaced with a constant 1 (true) or 0 (false) then @@ -13820,6 +14030,13 @@ SQLITE_PRIVATE void sqlite3Coverage(int); # undef SQLITE_ENABLE_EXPLAIN_COMMENTS #endif +/* +** SQLITE_OMIT_VIRTUALTABLE implies SQLITE_OMIT_ALTERTABLE +*/ +#if defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_ALTERTABLE) +# define SQLITE_OMIT_ALTERTABLE +#endif + /* ** Return true (non-zero) if the input is an integer that is too large ** to fit in 32-bits. This macro is used inside of various testcase() @@ -13932,7 +14149,7 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); /* ** Number of entries in a hash table */ -/* #define sqliteHashCount(H) ((H)->count) // NOT USED */ +#define sqliteHashCount(H) ((H)->count) #endif /* SQLITE_HASH_H */ @@ -13964,8 +14181,8 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); #define TK_LP 22 #define TK_RP 23 #define TK_AS 24 -#define TK_WITHOUT 25 -#define TK_COMMA 26 +#define TK_COMMA 25 +#define TK_WITHOUT 26 #define TK_ABORT 27 #define TK_ACTION 28 #define TK_AFTER 29 @@ -14036,90 +14253,94 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); #define TK_TIES 94 #define TK_GENERATED 95 #define TK_ALWAYS 96 -#define TK_REINDEX 97 -#define TK_RENAME 98 -#define TK_CTIME_KW 99 -#define TK_ANY 100 -#define TK_BITAND 101 -#define TK_BITOR 102 -#define TK_LSHIFT 103 -#define TK_RSHIFT 104 -#define TK_PLUS 105 -#define TK_MINUS 106 -#define TK_STAR 107 -#define TK_SLASH 108 -#define TK_REM 109 -#define TK_CONCAT 110 -#define TK_COLLATE 111 -#define TK_BITNOT 112 -#define TK_ON 113 -#define TK_INDEXED 114 -#define TK_STRING 115 -#define TK_JOIN_KW 116 -#define TK_CONSTRAINT 117 -#define TK_DEFAULT 118 -#define TK_NULL 119 -#define TK_PRIMARY 120 -#define TK_UNIQUE 121 -#define TK_CHECK 122 -#define TK_REFERENCES 123 -#define TK_AUTOINCR 124 -#define TK_INSERT 125 -#define TK_DELETE 126 -#define TK_UPDATE 127 -#define TK_SET 128 -#define TK_DEFERRABLE 129 -#define TK_FOREIGN 130 -#define TK_DROP 131 -#define TK_UNION 132 -#define TK_ALL 133 -#define TK_EXCEPT 134 -#define TK_INTERSECT 135 -#define TK_SELECT 136 -#define TK_VALUES 137 -#define TK_DISTINCT 138 -#define TK_DOT 139 -#define TK_FROM 140 -#define TK_JOIN 141 -#define TK_USING 142 -#define TK_ORDER 143 -#define TK_GROUP 144 -#define TK_HAVING 145 -#define TK_LIMIT 146 -#define TK_WHERE 147 -#define TK_INTO 148 -#define TK_NOTHING 149 -#define TK_FLOAT 150 -#define TK_BLOB 151 -#define TK_INTEGER 152 -#define TK_VARIABLE 153 -#define TK_CASE 154 -#define TK_WHEN 155 -#define TK_THEN 156 -#define TK_ELSE 157 -#define TK_INDEX 158 -#define TK_ALTER 159 -#define TK_ADD 160 -#define TK_WINDOW 161 -#define TK_OVER 162 -#define TK_FILTER 163 -#define TK_COLUMN 164 -#define TK_AGG_FUNCTION 165 -#define TK_AGG_COLUMN 166 -#define TK_TRUEFALSE 167 -#define TK_ISNOT 168 -#define TK_FUNCTION 169 -#define TK_UMINUS 170 -#define TK_UPLUS 171 -#define TK_TRUTH 172 -#define TK_REGISTER 173 -#define TK_VECTOR 174 -#define TK_SELECT_COLUMN 175 -#define TK_IF_NULL_ROW 176 -#define TK_ASTERISK 177 -#define TK_SPAN 178 -#define TK_SPACE 179 -#define TK_ILLEGAL 180 +#define TK_MATERIALIZED 97 +#define TK_REINDEX 98 +#define TK_RENAME 99 +#define TK_CTIME_KW 100 +#define TK_ANY 101 +#define TK_BITAND 102 +#define TK_BITOR 103 +#define TK_LSHIFT 104 +#define TK_RSHIFT 105 +#define TK_PLUS 106 +#define TK_MINUS 107 +#define TK_STAR 108 +#define TK_SLASH 109 +#define TK_REM 110 +#define TK_CONCAT 111 +#define TK_PTR 112 +#define TK_COLLATE 113 +#define TK_BITNOT 114 +#define TK_ON 115 +#define TK_INDEXED 116 +#define TK_STRING 117 +#define TK_JOIN_KW 118 +#define TK_CONSTRAINT 119 +#define TK_DEFAULT 120 +#define TK_NULL 121 +#define TK_PRIMARY 122 +#define TK_UNIQUE 123 +#define TK_CHECK 124 +#define TK_REFERENCES 125 +#define TK_AUTOINCR 126 +#define TK_INSERT 127 +#define TK_DELETE 128 +#define TK_UPDATE 129 +#define TK_SET 130 +#define TK_DEFERRABLE 131 +#define TK_FOREIGN 132 +#define TK_DROP 133 +#define TK_UNION 134 +#define TK_ALL 135 +#define TK_EXCEPT 136 +#define TK_INTERSECT 137 +#define TK_SELECT 138 +#define TK_VALUES 139 +#define TK_DISTINCT 140 +#define TK_DOT 141 +#define TK_FROM 142 +#define TK_JOIN 143 +#define TK_USING 144 +#define TK_ORDER 145 +#define TK_GROUP 146 +#define TK_HAVING 147 +#define TK_LIMIT 148 +#define TK_WHERE 149 +#define TK_RETURNING 150 +#define TK_INTO 151 +#define TK_NOTHING 152 +#define TK_FLOAT 153 +#define TK_BLOB 154 +#define TK_INTEGER 155 +#define TK_VARIABLE 156 +#define TK_CASE 157 +#define TK_WHEN 158 +#define TK_THEN 159 +#define TK_ELSE 160 +#define TK_INDEX 161 +#define TK_ALTER 162 +#define TK_ADD 163 +#define TK_WINDOW 164 +#define TK_OVER 165 +#define TK_FILTER 166 +#define TK_COLUMN 167 +#define TK_AGG_FUNCTION 168 +#define TK_AGG_COLUMN 169 +#define TK_TRUEFALSE 170 +#define TK_ISNOT 171 +#define TK_FUNCTION 172 +#define TK_UMINUS 173 +#define TK_UPLUS 174 +#define TK_TRUTH 175 +#define TK_REGISTER 176 +#define TK_VECTOR 177 +#define TK_SELECT_COLUMN 178 +#define TK_IF_NULL_ROW 179 +#define TK_ASTERISK 180 +#define TK_SPAN 181 +#define TK_ERROR 182 +#define TK_SPACE 183 +#define TK_ILLEGAL 184 /************** End of parse.h ***********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ @@ -14225,7 +14446,7 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); ** number of pages. A negative number N translations means that a buffer ** of -1024*N bytes is allocated and used for as many pages as it will hold. ** -** The default value of "20" was choosen to minimize the run-time of the +** The default value of "20" was chosen to minimize the run-time of the ** speedtest1 test program with options: --shrink-memory --reprepare */ #ifndef SQLITE_DEFAULT_PCACHE_INITSZ @@ -14344,15 +14565,9 @@ typedef INT8_TYPE i8; /* 1-byte signed integer */ /* ** The datatype used to store estimates of the number of rows in a -** table or index. This is an unsigned integer type. For 99.9% of -** the world, a 32-bit integer is sufficient. But a 64-bit integer -** can be used at compile-time if desired. +** table or index. */ -#ifdef SQLITE_64BIT_STATS - typedef u64 tRowcnt; /* 64-bit only if requested at compile-time */ -#else - typedef u32 tRowcnt; /* 32-bit is the default */ -#endif +typedef u64 tRowcnt; /* ** Estimated quantities used for query planning are stored as 16-bit @@ -14387,6 +14602,7 @@ typedef INT16_TYPE LogEst; # define SQLITE_PTRSIZE __SIZEOF_POINTER__ # elif defined(i386) || defined(__i386__) || defined(_M_IX86) || \ defined(_M_ARM) || defined(__arm__) || defined(__x86) || \ + (defined(__APPLE__) && defined(__POWERPC__)) || \ (defined(__TOS_AIX__) && !defined(__64BIT__)) # define SQLITE_PTRSIZE 4 # else @@ -14412,8 +14628,31 @@ typedef INT16_TYPE LogEst; ** the end of buffer S. This macro returns true if P points to something ** contained within the buffer S. */ -#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +/* +** P is one byte past the end of a large buffer. Return true if a span of bytes +** between S..E crosses the end of that buffer. In other words, return true +** if the sub-buffer S..E-1 overflows the buffer whose last byte is P-1. +** +** S is the start of the span. E is one byte past the end of end of span. +** +** P +** |-----------------| FALSE +** |-------| +** S E +** +** P +** |-----------------| +** |-------| TRUE +** S E +** +** P +** |-----------------| +** |-------| FALSE +** S E +*/ +#define SQLITE_OVERFLOW(P,S,E) (((uptr)(S)<(uptr)(P))&&((uptr)(E)>(uptr)(P))) /* ** Macros to determine whether the machine is big or little endian, @@ -14468,8 +14707,19 @@ typedef INT16_TYPE LogEst; /* ** Round up a number to the next larger multiple of 8. This is used ** to force 8-byte alignment on 64-bit architectures. +** +** ROUND8() always does the rounding, for any argument. +** +** ROUND8P() assumes that the argument is already an integer number of +** pointers in size, and so it is a no-op on systems where the pointer +** size is 8. */ #define ROUND8(x) (((x)+7)&~7) +#if SQLITE_PTRSIZE==8 +# define ROUND8P(x) (x) +#else +# define ROUND8P(x) (((x)+7)&~7) +#endif /* ** Round down to the nearest multiple of 8 @@ -14486,9 +14736,9 @@ typedef INT16_TYPE LogEst; ** pointers. In that case, only verify 4-byte alignment. */ #ifdef SQLITE_4_BYTE_ALIGNED_MALLOC -# define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&3)==0) +# define EIGHT_BYTE_ALIGNMENT(X) ((((uptr)(X) - (uptr)0)&3)==0) #else -# define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&7)==0) +# define EIGHT_BYTE_ALIGNMENT(X) ((((uptr)(X) - (uptr)0)&7)==0) #endif /* @@ -14532,25 +14782,91 @@ typedef INT16_TYPE LogEst; #endif /* -** SELECTTRACE_ENABLED will be either 1 or 0 depending on whether or not -** the Select query generator tracing logic is turned on. +** TREETRACE_ENABLED will be either 1 or 0 depending on whether or not +** the Abstract Syntax Tree tracing logic is turned on. */ -#if defined(SQLITE_ENABLE_SELECTTRACE) -# define SELECTTRACE_ENABLED 1 -#else -# define SELECTTRACE_ENABLED 0 +#if !defined(SQLITE_AMALGAMATION) +SQLITE_PRIVATE u32 sqlite3TreeTrace; #endif -#if defined(SQLITE_ENABLE_SELECTTRACE) -# define SELECTTRACE_ENABLED 1 -# define SELECTTRACE(K,P,S,X) \ - if(sqlite3_unsupported_selecttrace&(K)) \ +#if defined(SQLITE_DEBUG) \ + && (defined(SQLITE_TEST) || defined(SQLITE_ENABLE_SELECTTRACE) \ + || defined(SQLITE_ENABLE_TREETRACE)) +# define TREETRACE_ENABLED 1 +# define TREETRACE(K,P,S,X) \ + if(sqlite3TreeTrace&(K)) \ sqlite3DebugPrintf("%u/%d/%p: ",(S)->selId,(P)->addrExplain,(S)),\ sqlite3DebugPrintf X #else -# define SELECTTRACE(K,P,S,X) -# define SELECTTRACE_ENABLED 0 +# define TREETRACE(K,P,S,X) +# define TREETRACE_ENABLED 0 +#endif + +/* TREETRACE flag meanings: +** +** 0x00000001 Beginning and end of SELECT processing +** 0x00000002 WHERE clause processing +** 0x00000004 Query flattener +** 0x00000008 Result-set wildcard expansion +** 0x00000010 Query name resolution +** 0x00000020 Aggregate analysis +** 0x00000040 Window functions +** 0x00000080 Generated column names +** 0x00000100 Move HAVING terms into WHERE +** 0x00000200 Count-of-view optimization +** 0x00000400 Compound SELECT processing +** 0x00000800 Drop superfluous ORDER BY +** 0x00001000 LEFT JOIN simplifies to JOIN +** 0x00002000 Constant propagation +** 0x00004000 Push-down optimization +** 0x00008000 After all FROM-clause analysis +** 0x00010000 Beginning of DELETE/INSERT/UPDATE processing +** 0x00020000 Transform DISTINCT into GROUP BY +** 0x00040000 SELECT tree dump after all code has been generated +*/ + +/* +** Macros for "wheretrace" +*/ +SQLITE_PRIVATE u32 sqlite3WhereTrace; +#if defined(SQLITE_DEBUG) \ + && (defined(SQLITE_TEST) || defined(SQLITE_ENABLE_WHERETRACE)) +# define WHERETRACE(K,X) if(sqlite3WhereTrace&(K)) sqlite3DebugPrintf X +# define WHERETRACE_ENABLED 1 +#else +# define WHERETRACE(K,X) #endif +/* +** Bits for the sqlite3WhereTrace mask: +** +** (---any--) Top-level block structure +** 0x-------F High-level debug messages +** 0x----FFF- More detail +** 0xFFFF---- Low-level debug messages +** +** 0x00000001 Code generation +** 0x00000002 Solver +** 0x00000004 Solver costs +** 0x00000008 WhereLoop inserts +** +** 0x00000010 Display sqlite3_index_info xBestIndex calls +** 0x00000020 Range an equality scan metrics +** 0x00000040 IN operator decisions +** 0x00000080 WhereLoop cost adjustements +** 0x00000100 +** 0x00000200 Covering index decisions +** 0x00000400 OR optimization +** 0x00000800 Index scanner +** 0x00001000 More details associated with code generation +** 0x00002000 +** 0x00004000 Show all WHERE terms at key points +** 0x00008000 Show the full SELECT statement at key places +** +** 0x00010000 Show more detail when printing WHERE terms +** 0x00020000 Show WHERE terms returned from whereScanNext() +*/ + + /* ** An instance of the following structure is used to store the busy-handler ** callback for a given sqlite handle. @@ -14569,11 +14885,25 @@ struct BusyHandler { /* ** Name of table that holds the database schema. +** +** The PREFERRED names are used wherever possible. But LEGACY is also +** used for backwards compatibility. +** +** 1. Queries can use either the PREFERRED or the LEGACY names +** 2. The sqlite3_set_authorizer() callback uses the LEGACY name +** 3. The PRAGMA table_list statement uses the PREFERRED name +** +** The LEGACY names are stored in the internal symbol hash table +** in support of (2). Names are translated using sqlite3PreferredTableName() +** for (3). The sqlite3FindTable() function takes care of translating +** names for (1). +** +** Note that "sqlite_temp_schema" can also be called "temp.sqlite_schema". */ -#define DFLT_SCHEMA_TABLE "sqlite_master" -#define DFLT_TEMP_SCHEMA_TABLE "sqlite_temp_master" -#define ALT_SCHEMA_TABLE "sqlite_schema" -#define ALT_TEMP_SCHEMA_TABLE "sqlite_temp_schema" +#define LEGACY_SCHEMA_TABLE "sqlite_master" +#define LEGACY_TEMP_SCHEMA_TABLE "sqlite_temp_master" +#define PREFERRED_SCHEMA_TABLE "sqlite_schema" +#define PREFERRED_TEMP_SCHEMA_TABLE "sqlite_temp_schema" /* @@ -14585,7 +14915,7 @@ struct BusyHandler { ** The name of the schema table. The name is different for TEMP. */ #define SCHEMA_TABLE(x) \ - ((!OMIT_TEMPDB)&&(x==1)?DFLT_TEMP_SCHEMA_TABLE:DFLT_SCHEMA_TABLE) + ((!OMIT_TEMPDB)&&(x==1)?LEGACY_TEMP_SCHEMA_TABLE:LEGACY_SCHEMA_TABLE) /* ** A convenience macro that returns the number of elements in @@ -14606,7 +14936,7 @@ struct BusyHandler { ** pointer will work here as long as it is distinct from SQLITE_STATIC ** and SQLITE_TRANSIENT. */ -#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3OomFault) +#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3OomClear) /* ** When SQLITE_OMIT_WSD is defined, it means that the target platform does @@ -14662,16 +14992,21 @@ typedef struct AutoincInfo AutoincInfo; typedef struct Bitvec Bitvec; typedef struct CollSeq CollSeq; typedef struct Column Column; +typedef struct Cte Cte; +typedef struct CteUse CteUse; typedef struct Db Db; +typedef struct DbFixer DbFixer; typedef struct Schema Schema; typedef struct Expr Expr; typedef struct ExprList ExprList; typedef struct FKey FKey; +typedef struct FpDecode FpDecode; typedef struct FuncDestructor FuncDestructor; typedef struct FuncDef FuncDef; typedef struct FuncDefHash FuncDefHash; typedef struct IdList IdList; typedef struct Index Index; +typedef struct IndexedExpr IndexedExpr; typedef struct IndexSample IndexSample; typedef struct KeyClass KeyClass; typedef struct KeyInfo KeyInfo; @@ -14679,15 +15014,20 @@ typedef struct Lookaside Lookaside; typedef struct LookasideSlot LookasideSlot; typedef struct Module Module; typedef struct NameContext NameContext; +typedef struct OnOrUsing OnOrUsing; typedef struct Parse Parse; +typedef struct ParseCleanup ParseCleanup; typedef struct PreUpdate PreUpdate; typedef struct PrintfArguments PrintfArguments; +typedef struct RCStr RCStr; typedef struct RenameToken RenameToken; +typedef struct Returning Returning; typedef struct RowSet RowSet; typedef struct Savepoint Savepoint; typedef struct Select Select; typedef struct SQLiteThread SQLiteThread; typedef struct SelectDest SelectDest; +typedef struct SrcItem SrcItem; typedef struct SrcList SrcList; typedef struct sqlite3_str StrAccum; /* Internal alias for sqlite3_str */ typedef struct Table Table; @@ -14728,10 +15068,12 @@ typedef struct With With; /* ** A bit in a Bitmask */ -#define MASKBIT(n) (((Bitmask)1)<<(n)) -#define MASKBIT64(n) (((u64)1)<<(n)) -#define MASKBIT32(n) (((unsigned int)1)<<(n)) -#define ALLBITS ((Bitmask)-1) +#define MASKBIT(n) (((Bitmask)1)<<(n)) +#define MASKBIT64(n) (((u64)1)<<(n)) +#define MASKBIT32(n) (((unsigned int)1)<<(n)) +#define SMASKBIT32(n) ((n)<=31?((unsigned int)1)<<(n):0) +#define ALLBITS ((Bitmask)-1) +#define TOPBIT (((Bitmask)1)<<(BMS-1)) /* A VList object records a mapping between parameters/variables/wildcards ** in the SQL statement (such as $abc, @pqr, or :xyz) and the integer @@ -14746,6 +15088,331 @@ typedef int VList; ** "BusyHandler" typedefs. vdbe.h also requires a few of the opaque ** pointer types (i.e. FuncDef) defined above. */ +/************** Include os.h in the middle of sqliteInt.h ********************/ +/************** Begin file os.h **********************************************/ +/* +** 2001 September 16 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This header file (together with is companion C source-code file +** "os.c") attempt to abstract the underlying operating system so that +** the SQLite library will work on both POSIX and windows systems. +** +** This header file is #include-ed by sqliteInt.h and thus ends up +** being included by every source file. +*/ +#ifndef _SQLITE_OS_H_ +#define _SQLITE_OS_H_ + +/* +** Attempt to automatically detect the operating system and setup the +** necessary pre-processor macros for it. +*/ +/************** Include os_setup.h in the middle of os.h *********************/ +/************** Begin file os_setup.h ****************************************/ +/* +** 2013 November 25 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This file contains pre-processor directives related to operating system +** detection and/or setup. +*/ +#ifndef SQLITE_OS_SETUP_H +#define SQLITE_OS_SETUP_H + +/* +** Figure out if we are dealing with Unix, Windows, or some other operating +** system. +** +** After the following block of preprocess macros, all of +** +** SQLITE_OS_KV +** SQLITE_OS_OTHER +** SQLITE_OS_UNIX +** SQLITE_OS_WIN +** +** will defined to either 1 or 0. One of them will be 1. The others will be 0. +** If none of the macros are initially defined, then select either +** SQLITE_OS_UNIX or SQLITE_OS_WIN depending on the target platform. +** +** If SQLITE_OS_OTHER=1 is specified at compile-time, then the application +** must provide its own VFS implementation together with sqlite3_os_init() +** and sqlite3_os_end() routines. +*/ +#if !defined(SQLITE_OS_KV) && !defined(SQLITE_OS_OTHER) && \ + !defined(SQLITE_OS_UNIX) && !defined(SQLITE_OS_WIN) +# if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || \ + defined(__MINGW32__) || defined(__BORLANDC__) +# define SQLITE_OS_WIN 1 +# define SQLITE_OS_UNIX 0 +# else +# define SQLITE_OS_WIN 0 +# define SQLITE_OS_UNIX 1 +# endif +#endif +#if SQLITE_OS_OTHER+1>1 +# undef SQLITE_OS_KV +# define SQLITE_OS_KV 0 +# undef SQLITE_OS_UNIX +# define SQLITE_OS_UNIX 0 +# undef SQLITE_OS_WIN +# define SQLITE_OS_WIN 0 +#endif +#if SQLITE_OS_KV+1>1 +# undef SQLITE_OS_OTHER +# define SQLITE_OS_OTHER 0 +# undef SQLITE_OS_UNIX +# define SQLITE_OS_UNIX 0 +# undef SQLITE_OS_WIN +# define SQLITE_OS_WIN 0 +# define SQLITE_OMIT_LOAD_EXTENSION 1 +# define SQLITE_OMIT_WAL 1 +# define SQLITE_OMIT_DEPRECATED 1 +# undef SQLITE_TEMP_STORE +# define SQLITE_TEMP_STORE 3 /* Always use memory for temporary storage */ +# define SQLITE_DQS 0 +# define SQLITE_OMIT_SHARED_CACHE 1 +# define SQLITE_OMIT_AUTOINIT 1 +#endif +#if SQLITE_OS_UNIX+1>1 +# undef SQLITE_OS_KV +# define SQLITE_OS_KV 0 +# undef SQLITE_OS_OTHER +# define SQLITE_OS_OTHER 0 +# undef SQLITE_OS_WIN +# define SQLITE_OS_WIN 0 +#endif +#if SQLITE_OS_WIN+1>1 +# undef SQLITE_OS_KV +# define SQLITE_OS_KV 0 +# undef SQLITE_OS_OTHER +# define SQLITE_OS_OTHER 0 +# undef SQLITE_OS_UNIX +# define SQLITE_OS_UNIX 0 +#endif + + +#endif /* SQLITE_OS_SETUP_H */ + +/************** End of os_setup.h ********************************************/ +/************** Continuing where we left off in os.h *************************/ + +/* If the SET_FULLSYNC macro is not defined above, then make it +** a no-op +*/ +#ifndef SET_FULLSYNC +# define SET_FULLSYNC(x,y) +#endif + +/* Maximum pathname length. Note: FILENAME_MAX defined by stdio.h +*/ +#ifndef SQLITE_MAX_PATHLEN +# define SQLITE_MAX_PATHLEN FILENAME_MAX +#endif + +/* Maximum number of symlinks that will be resolved while trying to +** expand a filename in xFullPathname() in the VFS. +*/ +#ifndef SQLITE_MAX_SYMLINK +# define SQLITE_MAX_SYMLINK 200 +#endif + +/* +** The default size of a disk sector +*/ +#ifndef SQLITE_DEFAULT_SECTOR_SIZE +# define SQLITE_DEFAULT_SECTOR_SIZE 4096 +#endif + +/* +** Temporary files are named starting with this prefix followed by 16 random +** alphanumeric characters, and no file extension. They are stored in the +** OS's standard temporary file directory, and are deleted prior to exit. +** If sqlite is being embedded in another program, you may wish to change the +** prefix to reflect your program's name, so that if your program exits +** prematurely, old temporary files can be easily identified. This can be done +** using -DSQLITE_TEMP_FILE_PREFIX=myprefix_ on the compiler command line. +** +** 2006-10-31: The default prefix used to be "sqlite_". But then +** Mcafee started using SQLite in their anti-virus product and it +** started putting files with the "sqlite" name in the c:/temp folder. +** This annoyed many windows users. Those users would then do a +** Google search for "sqlite", find the telephone numbers of the +** developers and call to wake them up at night and complain. +** For this reason, the default name prefix is changed to be "sqlite" +** spelled backwards. So the temp files are still identified, but +** anybody smart enough to figure out the code is also likely smart +** enough to know that calling the developer will not help get rid +** of the file. +*/ +#ifndef SQLITE_TEMP_FILE_PREFIX +# define SQLITE_TEMP_FILE_PREFIX "etilqs_" +#endif + +/* +** The following values may be passed as the second argument to +** sqlite3OsLock(). The various locks exhibit the following semantics: +** +** SHARED: Any number of processes may hold a SHARED lock simultaneously. +** RESERVED: A single process may hold a RESERVED lock on a file at +** any time. Other processes may hold and obtain new SHARED locks. +** PENDING: A single process may hold a PENDING lock on a file at +** any one time. Existing SHARED locks may persist, but no new +** SHARED locks may be obtained by other processes. +** EXCLUSIVE: An EXCLUSIVE lock precludes all other locks. +** +** PENDING_LOCK may not be passed directly to sqlite3OsLock(). Instead, a +** process that requests an EXCLUSIVE lock may actually obtain a PENDING +** lock. This can be upgraded to an EXCLUSIVE lock by a subsequent call to +** sqlite3OsLock(). +*/ +#define NO_LOCK 0 +#define SHARED_LOCK 1 +#define RESERVED_LOCK 2 +#define PENDING_LOCK 3 +#define EXCLUSIVE_LOCK 4 + +/* +** File Locking Notes: (Mostly about windows but also some info for Unix) +** +** We cannot use LockFileEx() or UnlockFileEx() on Win95/98/ME because +** those functions are not available. So we use only LockFile() and +** UnlockFile(). +** +** LockFile() prevents not just writing but also reading by other processes. +** A SHARED_LOCK is obtained by locking a single randomly-chosen +** byte out of a specific range of bytes. The lock byte is obtained at +** random so two separate readers can probably access the file at the +** same time, unless they are unlucky and choose the same lock byte. +** An EXCLUSIVE_LOCK is obtained by locking all bytes in the range. +** There can only be one writer. A RESERVED_LOCK is obtained by locking +** a single byte of the file that is designated as the reserved lock byte. +** A PENDING_LOCK is obtained by locking a designated byte different from +** the RESERVED_LOCK byte. +** +** On WinNT/2K/XP systems, LockFileEx() and UnlockFileEx() are available, +** which means we can use reader/writer locks. When reader/writer locks +** are used, the lock is placed on the same range of bytes that is used +** for probabilistic locking in Win95/98/ME. Hence, the locking scheme +** will support two or more Win95 readers or two or more WinNT readers. +** But a single Win95 reader will lock out all WinNT readers and a single +** WinNT reader will lock out all other Win95 readers. +** +** The following #defines specify the range of bytes used for locking. +** SHARED_SIZE is the number of bytes available in the pool from which +** a random byte is selected for a shared lock. The pool of bytes for +** shared locks begins at SHARED_FIRST. +** +** The same locking strategy and +** byte ranges are used for Unix. This leaves open the possibility of having +** clients on win95, winNT, and unix all talking to the same shared file +** and all locking correctly. To do so would require that samba (or whatever +** tool is being used for file sharing) implements locks correctly between +** windows and unix. I'm guessing that isn't likely to happen, but by +** using the same locking range we are at least open to the possibility. +** +** Locking in windows is manditory. For this reason, we cannot store +** actual data in the bytes used for locking. The pager never allocates +** the pages involved in locking therefore. SHARED_SIZE is selected so +** that all locks will fit on a single page even at the minimum page size. +** PENDING_BYTE defines the beginning of the locks. By default PENDING_BYTE +** is set high so that we don't have to allocate an unused page except +** for very large databases. But one should test the page skipping logic +** by setting PENDING_BYTE low and running the entire regression suite. +** +** Changing the value of PENDING_BYTE results in a subtly incompatible +** file format. Depending on how it is changed, you might not notice +** the incompatibility right away, even running a full regression test. +** The default location of PENDING_BYTE is the first byte past the +** 1GB boundary. +** +*/ +#ifdef SQLITE_OMIT_WSD +# define PENDING_BYTE (0x40000000) +#else +# define PENDING_BYTE sqlite3PendingByte +#endif +#define RESERVED_BYTE (PENDING_BYTE+1) +#define SHARED_FIRST (PENDING_BYTE+2) +#define SHARED_SIZE 510 + +/* +** Wrapper around OS specific sqlite3_os_init() function. +*/ +SQLITE_PRIVATE int sqlite3OsInit(void); + +/* +** Functions for accessing sqlite3_file methods +*/ +SQLITE_PRIVATE void sqlite3OsClose(sqlite3_file*); +SQLITE_PRIVATE int sqlite3OsRead(sqlite3_file*, void*, int amt, i64 offset); +SQLITE_PRIVATE int sqlite3OsWrite(sqlite3_file*, const void*, int amt, i64 offset); +SQLITE_PRIVATE int sqlite3OsTruncate(sqlite3_file*, i64 size); +SQLITE_PRIVATE int sqlite3OsSync(sqlite3_file*, int); +SQLITE_PRIVATE int sqlite3OsFileSize(sqlite3_file*, i64 *pSize); +SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file*, int); +SQLITE_PRIVATE int sqlite3OsUnlock(sqlite3_file*, int); +SQLITE_PRIVATE int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut); +SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file*,int,void*); +SQLITE_PRIVATE void sqlite3OsFileControlHint(sqlite3_file*,int,void*); +#define SQLITE_FCNTL_DB_UNCHANGED 0xca093fa0 +SQLITE_PRIVATE int sqlite3OsSectorSize(sqlite3_file *id); +SQLITE_PRIVATE int sqlite3OsDeviceCharacteristics(sqlite3_file *id); +#ifndef SQLITE_OMIT_WAL +SQLITE_PRIVATE int sqlite3OsShmMap(sqlite3_file *,int,int,int,void volatile **); +SQLITE_PRIVATE int sqlite3OsShmLock(sqlite3_file *id, int, int, int); +SQLITE_PRIVATE void sqlite3OsShmBarrier(sqlite3_file *id); +SQLITE_PRIVATE int sqlite3OsShmUnmap(sqlite3_file *id, int); +#endif /* SQLITE_OMIT_WAL */ +SQLITE_PRIVATE int sqlite3OsFetch(sqlite3_file *id, i64, int, void **); +SQLITE_PRIVATE int sqlite3OsUnfetch(sqlite3_file *, i64, void *); + + +/* +** Functions for accessing sqlite3_vfs methods +*/ +SQLITE_PRIVATE int sqlite3OsOpen(sqlite3_vfs *, const char *, sqlite3_file*, int, int *); +SQLITE_PRIVATE int sqlite3OsDelete(sqlite3_vfs *, const char *, int); +SQLITE_PRIVATE int sqlite3OsAccess(sqlite3_vfs *, const char *, int, int *pResOut); +SQLITE_PRIVATE int sqlite3OsFullPathname(sqlite3_vfs *, const char *, int, char *); +#ifndef SQLITE_OMIT_LOAD_EXTENSION +SQLITE_PRIVATE void *sqlite3OsDlOpen(sqlite3_vfs *, const char *); +SQLITE_PRIVATE void sqlite3OsDlError(sqlite3_vfs *, int, char *); +SQLITE_PRIVATE void (*sqlite3OsDlSym(sqlite3_vfs *, void *, const char *))(void); +SQLITE_PRIVATE void sqlite3OsDlClose(sqlite3_vfs *, void *); +#endif /* SQLITE_OMIT_LOAD_EXTENSION */ +SQLITE_PRIVATE int sqlite3OsRandomness(sqlite3_vfs *, int, char *); +SQLITE_PRIVATE int sqlite3OsSleep(sqlite3_vfs *, int); +SQLITE_PRIVATE int sqlite3OsGetLastError(sqlite3_vfs*); +SQLITE_PRIVATE int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); + +/* +** Convenience functions for opening and closing files using +** sqlite3_malloc() to obtain space for the file-handle structure. +*/ +SQLITE_PRIVATE int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); +SQLITE_PRIVATE void sqlite3OsCloseFree(sqlite3_file *); + +#endif /* _SQLITE_OS_H_ */ + +/************** End of os.h **************************************************/ +/************** Continuing where we left off in sqliteInt.h ******************/ /************** Include pager.h in the middle of sqliteInt.h *****************/ /************** Begin file pager.h *******************************************/ /* @@ -14793,14 +15460,15 @@ typedef struct Pager Pager; typedef struct PgHdr DbPage; /* -** Page number PAGER_MJ_PGNO is never used in an SQLite database (it is +** Page number PAGER_SJ_PGNO is never used in an SQLite database (it is ** reserved for working around a windows/posix incompatibility). It is ** used in the journal to signify that the remainder of the journal file ** is devoted to storing a super-journal name - there are no more pages to ** roll back. See comments for function writeSuperJournal() in pager.c ** for details. */ -#define PAGER_MJ_PGNO(x) ((Pgno)((PENDING_BYTE/((x)->pageSize))+1)) +#define PAGER_SJ_PGNO_COMPUTED(x) ((Pgno)((PENDING_BYTE/((x)->pageSize))+1)) +#define PAGER_SJ_PGNO(x) ((x)->lckPgno) /* ** Allowed values for the flags parameter to sqlite3PagerOpen(). @@ -14989,6 +15657,10 @@ SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); # define enable_simulated_io_errors() #endif +#if defined(SQLITE_USE_SEH) && !defined(SQLITE_OMIT_WAL) +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager*); +#endif + #endif /* SQLITE_PAGER_H */ /************** End of pager.h ***********************************************/ @@ -15082,16 +15754,24 @@ SQLITE_PRIVATE int sqlite3BtreeCommit(Btree*); SQLITE_PRIVATE int sqlite3BtreeRollback(Btree*,int,int); SQLITE_PRIVATE int sqlite3BtreeBeginStmt(Btree*,int); SQLITE_PRIVATE int sqlite3BtreeCreateTable(Btree*, Pgno*, int flags); -SQLITE_PRIVATE int sqlite3BtreeIsInTrans(Btree*); -SQLITE_PRIVATE int sqlite3BtreeIsInReadTrans(Btree*); +SQLITE_PRIVATE int sqlite3BtreeTxnState(Btree*); SQLITE_PRIVATE int sqlite3BtreeIsInBackup(Btree*); + SQLITE_PRIVATE void *sqlite3BtreeSchema(Btree *, int, void(*)(void *)); SQLITE_PRIVATE int sqlite3BtreeSchemaLocked(Btree *pBtree); #ifndef SQLITE_OMIT_SHARED_CACHE SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *pBtree, int iTab, u8 isWriteLock); #endif + +/* Savepoints are named, nestable SQL transactions mostly implemented */ +/* in vdbe.c and pager.c See https://sqlite.org/lang_savepoint.html */ SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *, int, int); +/* "Checkpoint" only refers to WAL. See https://sqlite.org/wal.html#ckpt */ +#ifndef SQLITE_OMIT_WAL +SQLITE_PRIVATE int sqlite3BtreeCheckpoint(Btree*, int, int *, int *); +#endif + SQLITE_PRIVATE const char *sqlite3BtreeGetFilename(Btree *); SQLITE_PRIVATE const char *sqlite3BtreeGetJournalname(Btree *); SQLITE_PRIVATE int sqlite3BtreeCopyFile(Btree *, Btree *); @@ -15112,7 +15792,7 @@ SQLITE_PRIVATE int sqlite3BtreeIncrVacuum(Btree *); #define BTREE_BLOBKEY 2 /* Table has keys only - no data */ SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree*, int, int*); -SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree*, int, int*); +SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree*, int, i64*); SQLITE_PRIVATE int sqlite3BtreeClearTableOfCursor(BtCursor*); SQLITE_PRIVATE int sqlite3BtreeTripAllCursors(Btree*, int, int); @@ -15172,7 +15852,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p); ** reduce network bandwidth. ** ** Note that BTREE_HINT_FLAGS with BTREE_BULKLOAD is the only hint used by -** standard SQLite. The other hints are provided for extentions that use +** standard SQLite. The other hints are provided for extensions that use ** the SQLite parser and code generator but substitute their own storage ** engine. */ @@ -15236,13 +15916,17 @@ SQLITE_PRIVATE void sqlite3BtreeCursorHint(BtCursor*, int, ...); #endif SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor*); -SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( +SQLITE_PRIVATE int sqlite3BtreeTableMoveto( BtCursor*, - UnpackedRecord *pUnKey, i64 intKey, int bias, int *pRes ); +SQLITE_PRIVATE int sqlite3BtreeIndexMoveto( + BtCursor*, + UnpackedRecord *pUnKey, + int *pRes +); SQLITE_PRIVATE int sqlite3BtreeCursorHasMoved(BtCursor*); SQLITE_PRIVATE int sqlite3BtreeCursorRestore(BtCursor*, int*); SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor*, u8 flags); @@ -15251,6 +15935,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor*, u8 flags); #define BTREE_SAVEPOSITION 0x02 /* Leave cursor pointing at NEXT or PREV */ #define BTREE_AUXDELETE 0x04 /* not the primary delete operation */ #define BTREE_APPEND 0x08 /* Insert is likely an append */ +#define BTREE_PREFORMAT 0x80 /* Inserted data is a preformated cell */ /* An instance of the BtreePayload object describes the content of a single ** entry in either an index or table btree. @@ -15305,15 +15990,21 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorPin(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor*); -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*); -#endif SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE sqlite3_int64 sqlite3BtreeMaxRecordSize(BtCursor*); -SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(sqlite3*,Btree*,Pgno*aRoot,int nRoot,int,int*); +SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( + sqlite3 *db, /* Database connection that is running the check */ + Btree *p, /* The btree to be checked */ + Pgno *aRoot, /* An array of root pages numbers for individual trees */ + int nRoot, /* Number of entries in aRoot[] */ + int mxErr, /* Stop reporting errors after this many */ + int *pnErr, /* OUT: Write number of errors seen to this variable */ + char **pzOut /* OUT: Write the error message string here */ +); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor*); @@ -15328,6 +16019,12 @@ SQLITE_PRIVATE int sqlite3BtreeCursorHasHint(BtCursor*, unsigned int mask); SQLITE_PRIVATE int sqlite3BtreeIsReadonly(Btree *pBt); SQLITE_PRIVATE int sqlite3HeaderSizeBtree(void); +#ifdef SQLITE_DEBUG +SQLITE_PRIVATE sqlite3_uint64 sqlite3BtreeSeekCount(Btree*); +#else +# define sqlite3BtreeSeekCount(X) 0 +#endif + #ifndef NDEBUG SQLITE_PRIVATE int sqlite3BtreeCursorIsValid(BtCursor*); #endif @@ -15344,6 +16041,10 @@ SQLITE_PRIVATE void sqlite3BtreeCursorList(Btree*); SQLITE_PRIVATE int sqlite3BtreeCheckpoint(Btree*, int, int *, int *); #endif +SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor*, BtCursor*, i64); + +SQLITE_PRIVATE void sqlite3BtreeClearCache(Btree*); + /* ** If we are not using shared cache, then there is no need to ** use mutexes to access the BtShared structures. So make the @@ -15456,19 +16157,18 @@ struct VdbeOp { #ifdef SQLITE_ENABLE_CURSOR_HINTS Expr *pExpr; /* Used when p4type is P4_EXPR */ #endif - int (*xAdvance)(BtCursor *, int); } p4; #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS char *zComment; /* Comment to improve readability */ #endif -#ifdef VDBE_PROFILE - u32 cnt; /* Number of times this instruction was executed */ - u64 cycles; /* Total time spent executing this instruction */ -#endif #ifdef SQLITE_VDBE_COVERAGE u32 iSrcLine; /* Source-code line that generated this opcode ** with flags in the upper 8 bits */ #endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + u64 nExec; + u64 nCycle; +#endif }; typedef struct VdbeOp VdbeOp; @@ -15507,21 +16207,19 @@ typedef struct VdbeOpList VdbeOpList; #define P4_COLLSEQ (-2) /* P4 is a pointer to a CollSeq structure */ #define P4_INT32 (-3) /* P4 is a 32-bit signed integer */ #define P4_SUBPROGRAM (-4) /* P4 is a pointer to a SubProgram structure */ -#define P4_ADVANCE (-5) /* P4 is a pointer to BtreeNext() or BtreePrev() */ -#define P4_TABLE (-6) /* P4 is a pointer to a Table structure */ +#define P4_TABLE (-5) /* P4 is a pointer to a Table structure */ /* Above do not own any resources. Must free those below */ -#define P4_FREE_IF_LE (-7) -#define P4_DYNAMIC (-7) /* Pointer to memory from sqliteMalloc() */ -#define P4_FUNCDEF (-8) /* P4 is a pointer to a FuncDef structure */ -#define P4_KEYINFO (-9) /* P4 is a pointer to a KeyInfo structure */ -#define P4_EXPR (-10) /* P4 is a pointer to an Expr tree */ -#define P4_MEM (-11) /* P4 is a pointer to a Mem* structure */ -#define P4_VTAB (-12) /* P4 is a pointer to an sqlite3_vtab structure */ -#define P4_REAL (-13) /* P4 is a 64-bit floating point value */ -#define P4_INT64 (-14) /* P4 is a 64-bit signed integer */ -#define P4_INTARRAY (-15) /* P4 is a vector of 32-bit integers */ -#define P4_FUNCCTX (-16) /* P4 is a pointer to an sqlite3_context object */ -#define P4_DYNBLOB (-17) /* Pointer to memory from sqliteMalloc() */ +#define P4_FREE_IF_LE (-6) +#define P4_DYNAMIC (-6) /* Pointer to memory from sqliteMalloc() */ +#define P4_FUNCDEF (-7) /* P4 is a pointer to a FuncDef structure */ +#define P4_KEYINFO (-8) /* P4 is a pointer to a KeyInfo structure */ +#define P4_EXPR (-9) /* P4 is a pointer to an Expr tree */ +#define P4_MEM (-10) /* P4 is a pointer to a Mem* structure */ +#define P4_VTAB (-11) /* P4 is a pointer to an sqlite3_vtab structure */ +#define P4_REAL (-12) /* P4 is a 64-bit floating point value */ +#define P4_INT64 (-13) /* P4 is a 64-bit signed integer */ +#define P4_INTARRAY (-14) /* P4 is a vector of 32-bit integers */ +#define P4_FUNCCTX (-15) /* P4 is a pointer to an sqlite3_context object */ /* Error message codes for OP_Halt */ #define P5_ConstraintNotNull 1 @@ -15566,53 +16264,53 @@ typedef struct VdbeOpList VdbeOpList; #define OP_Savepoint 0 #define OP_AutoCommit 1 #define OP_Transaction 2 -#define OP_SorterNext 3 /* jump */ -#define OP_Prev 4 /* jump */ -#define OP_Next 5 /* jump */ -#define OP_Checkpoint 6 -#define OP_JournalMode 7 -#define OP_Vacuum 8 -#define OP_VFilter 9 /* jump, synopsis: iplan=r[P3] zplan='P4' */ -#define OP_VUpdate 10 /* synopsis: data=r[P3@P2] */ -#define OP_Goto 11 /* jump */ -#define OP_Gosub 12 /* jump */ -#define OP_InitCoroutine 13 /* jump */ -#define OP_Yield 14 /* jump */ -#define OP_MustBeInt 15 /* jump */ -#define OP_Jump 16 /* jump */ -#define OP_Once 17 /* jump */ -#define OP_If 18 /* jump */ +#define OP_Checkpoint 3 +#define OP_JournalMode 4 +#define OP_Vacuum 5 +#define OP_VFilter 6 /* jump, synopsis: iplan=r[P3] zplan='P4' */ +#define OP_VUpdate 7 /* synopsis: data=r[P3@P2] */ +#define OP_Init 8 /* jump, synopsis: Start at P2 */ +#define OP_Goto 9 /* jump */ +#define OP_Gosub 10 /* jump */ +#define OP_InitCoroutine 11 /* jump */ +#define OP_Yield 12 /* jump */ +#define OP_MustBeInt 13 /* jump */ +#define OP_Jump 14 /* jump */ +#define OP_Once 15 /* jump */ +#define OP_If 16 /* jump */ +#define OP_IfNot 17 /* jump */ +#define OP_IsType 18 /* jump, synopsis: if typeof(P1.P3) in P5 goto P2 */ #define OP_Not 19 /* same as TK_NOT, synopsis: r[P2]= !r[P1] */ -#define OP_IfNot 20 /* jump */ -#define OP_IfNullRow 21 /* jump, synopsis: if P1.nullRow then r[P3]=NULL, goto P2 */ -#define OP_SeekLT 22 /* jump, synopsis: key=r[P3@P4] */ -#define OP_SeekLE 23 /* jump, synopsis: key=r[P3@P4] */ -#define OP_SeekGE 24 /* jump, synopsis: key=r[P3@P4] */ -#define OP_SeekGT 25 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IfNotOpen 26 /* jump, synopsis: if( !csr[P1] ) goto P2 */ -#define OP_IfNoHope 27 /* jump, synopsis: key=r[P3@P4] */ -#define OP_NoConflict 28 /* jump, synopsis: key=r[P3@P4] */ -#define OP_NotFound 29 /* jump, synopsis: key=r[P3@P4] */ -#define OP_Found 30 /* jump, synopsis: key=r[P3@P4] */ -#define OP_SeekRowid 31 /* jump, synopsis: intkey=r[P3] */ -#define OP_NotExists 32 /* jump, synopsis: intkey=r[P3] */ -#define OP_Last 33 /* jump */ -#define OP_IfSmaller 34 /* jump */ -#define OP_SorterSort 35 /* jump */ -#define OP_Sort 36 /* jump */ -#define OP_Rewind 37 /* jump */ -#define OP_IdxLE 38 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxGT 39 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxLT 40 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxGE 41 /* jump, synopsis: key=r[P3@P4] */ -#define OP_RowSetRead 42 /* jump, synopsis: r[P3]=rowset(P1) */ +#define OP_IfNullRow 20 /* jump, synopsis: if P1.nullRow then r[P3]=NULL, goto P2 */ +#define OP_SeekLT 21 /* jump, synopsis: key=r[P3@P4] */ +#define OP_SeekLE 22 /* jump, synopsis: key=r[P3@P4] */ +#define OP_SeekGE 23 /* jump, synopsis: key=r[P3@P4] */ +#define OP_SeekGT 24 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IfNotOpen 25 /* jump, synopsis: if( !csr[P1] ) goto P2 */ +#define OP_IfNoHope 26 /* jump, synopsis: key=r[P3@P4] */ +#define OP_NoConflict 27 /* jump, synopsis: key=r[P3@P4] */ +#define OP_NotFound 28 /* jump, synopsis: key=r[P3@P4] */ +#define OP_Found 29 /* jump, synopsis: key=r[P3@P4] */ +#define OP_SeekRowid 30 /* jump, synopsis: intkey=r[P3] */ +#define OP_NotExists 31 /* jump, synopsis: intkey=r[P3] */ +#define OP_Last 32 /* jump */ +#define OP_IfSmaller 33 /* jump */ +#define OP_SorterSort 34 /* jump */ +#define OP_Sort 35 /* jump */ +#define OP_Rewind 36 /* jump */ +#define OP_SorterNext 37 /* jump */ +#define OP_Prev 38 /* jump */ +#define OP_Next 39 /* jump */ +#define OP_IdxLE 40 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxGT 41 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxLT 42 /* jump, synopsis: key=r[P3@P4] */ #define OP_Or 43 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 44 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ -#define OP_RowSetTest 45 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ -#define OP_Program 46 /* jump */ -#define OP_FkIfZero 47 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ -#define OP_IfPos 48 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ -#define OP_IfNotZero 49 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ +#define OP_IdxGE 45 /* jump, synopsis: key=r[P3@P4] */ +#define OP_RowSetRead 46 /* jump, synopsis: r[P3]=rowset(P1) */ +#define OP_RowSetTest 47 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ +#define OP_Program 48 /* jump */ +#define OP_FkIfZero 49 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ #define OP_IsNull 50 /* jump, same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 51 /* jump, same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 52 /* jump, same as TK_NE, synopsis: IF r[P3]!=r[P1] */ @@ -15621,124 +16319,135 @@ typedef struct VdbeOpList VdbeOpList; #define OP_Le 55 /* jump, same as TK_LE, synopsis: IF r[P3]<=r[P1] */ #define OP_Lt 56 /* jump, same as TK_LT, synopsis: IF r[P3]=r[P1] */ -#define OP_ElseNotEq 58 /* jump, same as TK_ESCAPE */ -#define OP_DecrJumpZero 59 /* jump, synopsis: if (--r[P1])==0 goto P2 */ -#define OP_IncrVacuum 60 /* jump */ -#define OP_VNext 61 /* jump */ -#define OP_Init 62 /* jump, synopsis: Start at P2 */ -#define OP_PureFunc 63 /* synopsis: r[P3]=func(r[P2@NP]) */ -#define OP_Function 64 /* synopsis: r[P3]=func(r[P2@NP]) */ -#define OP_Return 65 -#define OP_EndCoroutine 66 -#define OP_HaltIfNull 67 /* synopsis: if r[P3]=null halt */ -#define OP_Halt 68 -#define OP_Integer 69 /* synopsis: r[P2]=P1 */ -#define OP_Int64 70 /* synopsis: r[P2]=P4 */ -#define OP_String 71 /* synopsis: r[P2]='P4' (len=P1) */ -#define OP_Null 72 /* synopsis: r[P2..P3]=NULL */ -#define OP_SoftNull 73 /* synopsis: r[P1]=NULL */ -#define OP_Blob 74 /* synopsis: r[P2]=P4 (len=P1) */ -#define OP_Variable 75 /* synopsis: r[P2]=parameter(P1,P4) */ -#define OP_Move 76 /* synopsis: r[P2@P3]=r[P1@P3] */ -#define OP_Copy 77 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ -#define OP_SCopy 78 /* synopsis: r[P2]=r[P1] */ -#define OP_IntCopy 79 /* synopsis: r[P2]=r[P1] */ -#define OP_ResultRow 80 /* synopsis: output=r[P1@P2] */ -#define OP_CollSeq 81 -#define OP_AddImm 82 /* synopsis: r[P1]=r[P1]+P2 */ -#define OP_RealAffinity 83 -#define OP_Cast 84 /* synopsis: affinity(r[P1]) */ -#define OP_Permutation 85 -#define OP_Compare 86 /* synopsis: r[P1@P3] <-> r[P2@P3] */ -#define OP_IsTrue 87 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ -#define OP_Offset 88 /* synopsis: r[P3] = sqlite_offset(P1) */ -#define OP_Column 89 /* synopsis: r[P3]=PX */ -#define OP_Affinity 90 /* synopsis: affinity(r[P1@P2]) */ -#define OP_MakeRecord 91 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ -#define OP_Count 92 /* synopsis: r[P2]=count() */ -#define OP_ReadCookie 93 -#define OP_SetCookie 94 -#define OP_ReopenIdx 95 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenRead 96 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenWrite 97 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenDup 98 -#define OP_OpenAutoindex 99 /* synopsis: nColumn=P2 */ -#define OP_OpenEphemeral 100 /* synopsis: nColumn=P2 */ -#define OP_BitAnd 101 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */ -#define OP_BitOr 102 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */ -#define OP_ShiftLeft 103 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<>r[P1] */ -#define OP_Add 105 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ -#define OP_Subtract 106 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ -#define OP_Multiply 107 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ -#define OP_Divide 108 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ -#define OP_Remainder 109 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ -#define OP_Concat 110 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ -#define OP_SorterOpen 111 -#define OP_BitNot 112 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */ -#define OP_SequenceTest 113 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ -#define OP_OpenPseudo 114 /* synopsis: P3 columns in r[P2] */ -#define OP_String8 115 /* same as TK_STRING, synopsis: r[P2]='P4' */ -#define OP_Close 116 -#define OP_ColumnsUsed 117 -#define OP_SeekHit 118 /* synopsis: seekHit=P2 */ -#define OP_Sequence 119 /* synopsis: r[P2]=cursor[P1].ctr++ */ -#define OP_NewRowid 120 /* synopsis: r[P2]=rowid */ -#define OP_Insert 121 /* synopsis: intkey=r[P3] data=r[P2] */ -#define OP_Delete 122 -#define OP_ResetCount 123 -#define OP_SorterCompare 124 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ -#define OP_SorterData 125 /* synopsis: r[P2]=data */ -#define OP_RowData 126 /* synopsis: r[P2]=data */ -#define OP_Rowid 127 /* synopsis: r[P2]=rowid */ -#define OP_NullRow 128 -#define OP_SeekEnd 129 -#define OP_IdxInsert 130 /* synopsis: key=r[P2] */ -#define OP_SorterInsert 131 /* synopsis: key=r[P2] */ -#define OP_IdxDelete 132 /* synopsis: key=r[P2@P3] */ -#define OP_DeferredSeek 133 /* synopsis: Move P3 to P1.rowid if needed */ -#define OP_IdxRowid 134 /* synopsis: r[P2]=rowid */ -#define OP_FinishSeek 135 -#define OP_Destroy 136 -#define OP_Clear 137 -#define OP_ResetSorter 138 -#define OP_CreateBtree 139 /* synopsis: r[P2]=root iDb=P1 flags=P3 */ -#define OP_SqlExec 140 -#define OP_ParseSchema 141 -#define OP_LoadAnalysis 142 -#define OP_DropTable 143 -#define OP_DropIndex 144 -#define OP_DropTrigger 145 -#define OP_IntegrityCk 146 -#define OP_RowSetAdd 147 /* synopsis: rowset(P1)=r[P2] */ -#define OP_Param 148 -#define OP_FkCounter 149 /* synopsis: fkctr[P1]+=P2 */ -#define OP_Real 150 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ -#define OP_MemMax 151 /* synopsis: r[P1]=max(r[P1],r[P2]) */ -#define OP_OffsetLimit 152 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ -#define OP_AggInverse 153 /* synopsis: accum=r[P3] inverse(r[P2@P5]) */ -#define OP_AggStep 154 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggStep1 155 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggValue 156 /* synopsis: r[P3]=value N=P2 */ -#define OP_AggFinal 157 /* synopsis: accum=r[P1] N=P2 */ -#define OP_Expire 158 -#define OP_CursorLock 159 -#define OP_CursorUnlock 160 -#define OP_TableLock 161 /* synopsis: iDb=P1 root=P2 write=P3 */ -#define OP_VBegin 162 -#define OP_VCreate 163 -#define OP_VDestroy 164 -#define OP_VOpen 165 -#define OP_VColumn 166 /* synopsis: r[P3]=vcolumn(P2) */ -#define OP_VRename 167 -#define OP_Pagecount 168 -#define OP_MaxPgcnt 169 -#define OP_Trace 170 -#define OP_CursorHint 171 -#define OP_ReleaseReg 172 /* synopsis: release r[P1@P2] mask P3 */ -#define OP_Noop 173 -#define OP_Explain 174 -#define OP_Abortable 175 +#define OP_ElseEq 58 /* jump, same as TK_ESCAPE */ +#define OP_IfPos 59 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ +#define OP_IfNotZero 60 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ +#define OP_DecrJumpZero 61 /* jump, synopsis: if (--r[P1])==0 goto P2 */ +#define OP_IncrVacuum 62 /* jump */ +#define OP_VNext 63 /* jump */ +#define OP_Filter 64 /* jump, synopsis: if key(P3@P4) not in filter(P1) goto P2 */ +#define OP_PureFunc 65 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Function 66 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Return 67 +#define OP_EndCoroutine 68 +#define OP_HaltIfNull 69 /* synopsis: if r[P3]=null halt */ +#define OP_Halt 70 +#define OP_Integer 71 /* synopsis: r[P2]=P1 */ +#define OP_Int64 72 /* synopsis: r[P2]=P4 */ +#define OP_String 73 /* synopsis: r[P2]='P4' (len=P1) */ +#define OP_BeginSubrtn 74 /* synopsis: r[P2]=NULL */ +#define OP_Null 75 /* synopsis: r[P2..P3]=NULL */ +#define OP_SoftNull 76 /* synopsis: r[P1]=NULL */ +#define OP_Blob 77 /* synopsis: r[P2]=P4 (len=P1) */ +#define OP_Variable 78 /* synopsis: r[P2]=parameter(P1,P4) */ +#define OP_Move 79 /* synopsis: r[P2@P3]=r[P1@P3] */ +#define OP_Copy 80 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ +#define OP_SCopy 81 /* synopsis: r[P2]=r[P1] */ +#define OP_IntCopy 82 /* synopsis: r[P2]=r[P1] */ +#define OP_FkCheck 83 +#define OP_ResultRow 84 /* synopsis: output=r[P1@P2] */ +#define OP_CollSeq 85 +#define OP_AddImm 86 /* synopsis: r[P1]=r[P1]+P2 */ +#define OP_RealAffinity 87 +#define OP_Cast 88 /* synopsis: affinity(r[P1]) */ +#define OP_Permutation 89 +#define OP_Compare 90 /* synopsis: r[P1@P3] <-> r[P2@P3] */ +#define OP_IsTrue 91 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ +#define OP_ZeroOrNull 92 /* synopsis: r[P2] = 0 OR NULL */ +#define OP_Offset 93 /* synopsis: r[P3] = sqlite_offset(P1) */ +#define OP_Column 94 /* synopsis: r[P3]=PX cursor P1 column P2 */ +#define OP_TypeCheck 95 /* synopsis: typecheck(r[P1@P2]) */ +#define OP_Affinity 96 /* synopsis: affinity(r[P1@P2]) */ +#define OP_MakeRecord 97 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ +#define OP_Count 98 /* synopsis: r[P2]=count() */ +#define OP_ReadCookie 99 +#define OP_SetCookie 100 +#define OP_ReopenIdx 101 /* synopsis: root=P2 iDb=P3 */ +#define OP_BitAnd 102 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */ +#define OP_BitOr 103 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */ +#define OP_ShiftLeft 104 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<>r[P1] */ +#define OP_Add 106 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ +#define OP_Subtract 107 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ +#define OP_Multiply 108 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ +#define OP_Divide 109 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ +#define OP_Remainder 110 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ +#define OP_Concat 111 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ +#define OP_OpenRead 112 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenWrite 113 /* synopsis: root=P2 iDb=P3 */ +#define OP_BitNot 114 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */ +#define OP_OpenDup 115 +#define OP_OpenAutoindex 116 /* synopsis: nColumn=P2 */ +#define OP_String8 117 /* same as TK_STRING, synopsis: r[P2]='P4' */ +#define OP_OpenEphemeral 118 /* synopsis: nColumn=P2 */ +#define OP_SorterOpen 119 +#define OP_SequenceTest 120 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ +#define OP_OpenPseudo 121 /* synopsis: P3 columns in r[P2] */ +#define OP_Close 122 +#define OP_ColumnsUsed 123 +#define OP_SeekScan 124 /* synopsis: Scan-ahead up to P1 rows */ +#define OP_SeekHit 125 /* synopsis: set P2<=seekHit<=P3 */ +#define OP_Sequence 126 /* synopsis: r[P2]=cursor[P1].ctr++ */ +#define OP_NewRowid 127 /* synopsis: r[P2]=rowid */ +#define OP_Insert 128 /* synopsis: intkey=r[P3] data=r[P2] */ +#define OP_RowCell 129 +#define OP_Delete 130 +#define OP_ResetCount 131 +#define OP_SorterCompare 132 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ +#define OP_SorterData 133 /* synopsis: r[P2]=data */ +#define OP_RowData 134 /* synopsis: r[P2]=data */ +#define OP_Rowid 135 /* synopsis: r[P2]=PX rowid of P1 */ +#define OP_NullRow 136 +#define OP_SeekEnd 137 +#define OP_IdxInsert 138 /* synopsis: key=r[P2] */ +#define OP_SorterInsert 139 /* synopsis: key=r[P2] */ +#define OP_IdxDelete 140 /* synopsis: key=r[P2@P3] */ +#define OP_DeferredSeek 141 /* synopsis: Move P3 to P1.rowid if needed */ +#define OP_IdxRowid 142 /* synopsis: r[P2]=rowid */ +#define OP_FinishSeek 143 +#define OP_Destroy 144 +#define OP_Clear 145 +#define OP_ResetSorter 146 +#define OP_CreateBtree 147 /* synopsis: r[P2]=root iDb=P1 flags=P3 */ +#define OP_SqlExec 148 +#define OP_ParseSchema 149 +#define OP_LoadAnalysis 150 +#define OP_DropTable 151 +#define OP_DropIndex 152 +#define OP_Real 153 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ +#define OP_DropTrigger 154 +#define OP_IntegrityCk 155 +#define OP_RowSetAdd 156 /* synopsis: rowset(P1)=r[P2] */ +#define OP_Param 157 +#define OP_FkCounter 158 /* synopsis: fkctr[P1]+=P2 */ +#define OP_MemMax 159 /* synopsis: r[P1]=max(r[P1],r[P2]) */ +#define OP_OffsetLimit 160 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ +#define OP_AggInverse 161 /* synopsis: accum=r[P3] inverse(r[P2@P5]) */ +#define OP_AggStep 162 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggStep1 163 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggValue 164 /* synopsis: r[P3]=value N=P2 */ +#define OP_AggFinal 165 /* synopsis: accum=r[P1] N=P2 */ +#define OP_Expire 166 +#define OP_CursorLock 167 +#define OP_CursorUnlock 168 +#define OP_TableLock 169 /* synopsis: iDb=P1 root=P2 write=P3 */ +#define OP_VBegin 170 +#define OP_VCreate 171 +#define OP_VDestroy 172 +#define OP_VOpen 173 +#define OP_VInitIn 174 /* synopsis: r[P2]=ValueList(P1,P3) */ +#define OP_VColumn 175 /* synopsis: r[P3]=vcolumn(P2) */ +#define OP_VRename 176 +#define OP_Pagecount 177 +#define OP_MaxPgcnt 178 +#define OP_ClrSubtype 179 /* synopsis: r[P1].subtype = 0 */ +#define OP_FilterAdd 180 /* synopsis: filter(P1) += key(P3@P4) */ +#define OP_Trace 181 +#define OP_CursorHint 182 +#define OP_ReleaseReg 183 /* synopsis: release r[P1@P2] mask P3 */ +#define OP_Noop 184 +#define OP_Explain 185 +#define OP_Abortable 186 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c @@ -15750,38 +16459,40 @@ typedef struct VdbeOpList VdbeOpList; #define OPFLG_IN3 0x08 /* in3: P3 is an input */ #define OPFLG_OUT2 0x10 /* out2: P2 is an output */ #define OPFLG_OUT3 0x20 /* out3: P3 is an output */ +#define OPFLG_NCYCLE 0x40 /* ncycle:Cycles count against P1 */ #define OPFLG_INITIALIZER {\ -/* 0 */ 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x10,\ -/* 8 */ 0x00, 0x01, 0x00, 0x01, 0x01, 0x01, 0x03, 0x03,\ -/* 16 */ 0x01, 0x01, 0x03, 0x12, 0x03, 0x01, 0x09, 0x09,\ -/* 24 */ 0x09, 0x09, 0x01, 0x09, 0x09, 0x09, 0x09, 0x09,\ -/* 32 */ 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ -/* 40 */ 0x01, 0x01, 0x23, 0x26, 0x26, 0x0b, 0x01, 0x01,\ -/* 48 */ 0x03, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ -/* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x01, 0x01, 0x01, 0x00,\ -/* 64 */ 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10, 0x10,\ -/* 72 */ 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10, 0x10,\ -/* 80 */ 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00, 0x12,\ -/* 88 */ 0x20, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ -/* 96 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x26, 0x26, 0x26,\ -/* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x00,\ -/* 112 */ 0x12, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x10,\ -/* 120 */ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,\ -/* 128 */ 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10, 0x00,\ -/* 136 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ -/* 144 */ 0x00, 0x00, 0x00, 0x06, 0x10, 0x00, 0x10, 0x04,\ -/* 152 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 168 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -} - -/* The sqlite3P2Values() routine is able to run faster if it knows +/* 0 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x41, 0x00,\ +/* 8 */ 0x01, 0x01, 0x01, 0x01, 0x03, 0x03, 0x01, 0x01,\ +/* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x49, 0x49, 0x49,\ +/* 24 */ 0x49, 0x01, 0x49, 0x49, 0x49, 0x49, 0x49, 0x49,\ +/* 32 */ 0x41, 0x01, 0x41, 0x41, 0x41, 0x01, 0x41, 0x41,\ +/* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x23, 0x0b,\ +/* 48 */ 0x01, 0x01, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ +/* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01, 0x41,\ +/* 64 */ 0x01, 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10,\ +/* 72 */ 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10, 0x00,\ +/* 80 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x02, 0x02,\ +/* 88 */ 0x02, 0x00, 0x00, 0x12, 0x1e, 0x20, 0x40, 0x00,\ +/* 96 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x40, 0x26, 0x26,\ +/* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\ +/* 112 */ 0x40, 0x00, 0x12, 0x40, 0x40, 0x10, 0x40, 0x00,\ +/* 120 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10, 0x10,\ +/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50,\ +/* 136 */ 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50, 0x40,\ +/* 144 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ +/* 152 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\ +/* 160 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ +/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x50, 0x40,\ +/* 176 */ 0x00, 0x10, 0x10, 0x02, 0x00, 0x00, 0x00, 0x00,\ +/* 184 */ 0x00, 0x00, 0x00,} + +/* The resolve3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum ** JUMP opcode the better, so the mkopcodeh.tcl script that ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ -#define SQLITE_MX_JUMP_OPCODE 62 /* Maximum JUMP opcode */ +#define SQLITE_MX_JUMP_OPCODE 64 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ @@ -15819,19 +16530,27 @@ SQLITE_PRIVATE void sqlite3VdbeVerifyNoResultRow(Vdbe *p); #endif #if defined(SQLITE_DEBUG) SQLITE_PRIVATE void sqlite3VdbeVerifyAbortable(Vdbe *p, int); +SQLITE_PRIVATE void sqlite3VdbeNoJumpsOutsideSubrtn(Vdbe*,int,int,int); #else # define sqlite3VdbeVerifyAbortable(A,B) +# define sqlite3VdbeNoJumpsOutsideSubrtn(A,B,C,D) #endif SQLITE_PRIVATE VdbeOp *sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp,int iLineno); #ifndef SQLITE_OMIT_EXPLAIN -SQLITE_PRIVATE void sqlite3VdbeExplain(Parse*,u8,const char*,...); +SQLITE_PRIVATE int sqlite3VdbeExplain(Parse*,u8,const char*,...); SQLITE_PRIVATE void sqlite3VdbeExplainPop(Parse*); SQLITE_PRIVATE int sqlite3VdbeExplainParent(Parse*); # define ExplainQueryPlan(P) sqlite3VdbeExplain P +# ifdef SQLITE_ENABLE_STMT_SCANSTATUS +# define ExplainQueryPlan2(V,P) (V = sqlite3VdbeExplain P) +# else +# define ExplainQueryPlan2(V,P) ExplainQueryPlan(P) +# endif # define ExplainQueryPlanPop(P) sqlite3VdbeExplainPop(P) # define ExplainQueryPlanParent(P) sqlite3VdbeExplainParent(P) #else # define ExplainQueryPlan(P) +# define ExplainQueryPlan2(V,P) # define ExplainQueryPlanPop(P) # define ExplainQueryPlanParent(P) 0 # define sqlite3ExplainBreakpoint(A,B) /*no-op*/ @@ -15841,12 +16560,13 @@ SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char*,const char*); #else # define sqlite3ExplainBreakpoint(A,B) /*no-op*/ #endif -SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*); +SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe*, int, char*, u16); SQLITE_PRIVATE void sqlite3VdbeChangeOpcode(Vdbe*, int addr, u8); SQLITE_PRIVATE void sqlite3VdbeChangeP1(Vdbe*, int addr, int P1); SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe*, int addr, int P2); SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe*, int addr, int P3); SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe*, u16 P5); +SQLITE_PRIVATE void sqlite3VdbeTypeofColumn(Vdbe*, int); SQLITE_PRIVATE void sqlite3VdbeJumpHere(Vdbe*, int addr); SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe*, int addr); SQLITE_PRIVATE int sqlite3VdbeChangeToNoop(Vdbe*, int addr); @@ -15861,11 +16581,11 @@ SQLITE_PRIVATE void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type); SQLITE_PRIVATE void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); SQLITE_PRIVATE void sqlite3VdbeUsesBtree(Vdbe*, int); SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetOp(Vdbe*, int); +SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetLastOp(Vdbe*); SQLITE_PRIVATE int sqlite3VdbeMakeLabel(Parse*); SQLITE_PRIVATE void sqlite3VdbeRunOnlyOnce(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeReusable(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeDelete(Vdbe*); -SQLITE_PRIVATE void sqlite3VdbeClearObject(sqlite3*,Vdbe*); SQLITE_PRIVATE void sqlite3VdbeMakeReady(Vdbe*,Parse*); SQLITE_PRIVATE int sqlite3VdbeFinalize(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeResolveLabel(Vdbe*, int); @@ -15939,7 +16659,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** The VdbeCoverage macros are used to set a coverage testing point ** for VDBE branch instructions. The coverage testing points are line ** numbers in the sqlite3.c source file. VDBE branch coverage testing -** only works with an amalagmation build. That's ok since a VDBE branch +** only works with an amalgamation build. That's ok since a VDBE branch ** coverage build designed for testing the test suite only. No application ** should ever ship with VDBE branch coverage measuring turned on. ** @@ -15957,7 +16677,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** // NULL option is not possible ** ** VdbeCoverageEqNe(v) // Previous OP_Jump is only interested -** // in distingishing equal and not-equal. +** // in distinguishing equal and not-equal. ** ** Every VDBE branch operation must be tagged with one of the macros above. ** If not, then when "make test" is run with -DSQLITE_VDBE_COVERAGE and @@ -15967,7 +16687,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** During testing, the test application will invoke ** sqlite3_test_control(SQLITE_TESTCTRL_VDBE_COVERAGE,...) to set a callback ** routine that is invoked as each bytecode branch is taken. The callback -** contains the sqlite3.c source line number ov the VdbeCoverage macro and +** contains the sqlite3.c source line number of the VdbeCoverage macro and ** flags to indicate whether or not the branch was taken. The test application ** is responsible for keeping track of this and reporting byte-code branches ** that are never taken. @@ -16003,14 +16723,22 @@ SQLITE_PRIVATE void sqlite3VdbeSetLineNumber(Vdbe*,int); #ifdef SQLITE_ENABLE_STMT_SCANSTATUS SQLITE_PRIVATE void sqlite3VdbeScanStatus(Vdbe*, int, int, int, LogEst, const char*); +SQLITE_PRIVATE void sqlite3VdbeScanStatusRange(Vdbe*, int, int, int); +SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters(Vdbe*, int, int, int); #else -# define sqlite3VdbeScanStatus(a,b,c,d,e) +# define sqlite3VdbeScanStatus(a,b,c,d,e,f) +# define sqlite3VdbeScanStatusRange(a,b,c,d) +# define sqlite3VdbeScanStatusCounters(a,b,c,d) #endif #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) SQLITE_PRIVATE void sqlite3VdbePrintOp(FILE*, int, VdbeOp*); #endif +#if defined(SQLITE_ENABLE_CURSOR_HINTS) && defined(SQLITE_DEBUG) +SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr); +#endif + #endif /* SQLITE_VDBE_H */ /************** End of vdbe.h ************************************************/ @@ -16059,7 +16787,7 @@ struct PgHdr { ** private to pcache.c and should not be accessed by other modules. ** pCache is grouped with the public elements for efficiency. */ - i16 nRef; /* Number of users of this page */ + i64 nRef; /* Number of users of this page */ PgHdr *pDirtyNext; /* Next element in list of dirty pages */ PgHdr *pDirtyPrev; /* Previous element in list of dirty pages */ /* NB: pDirtyNext and pDirtyPrev are undefined if the @@ -16140,12 +16868,12 @@ SQLITE_PRIVATE void sqlite3PcacheClearSyncFlags(PCache *); SQLITE_PRIVATE void sqlite3PcacheClear(PCache*); /* Return the total number of outstanding page references */ -SQLITE_PRIVATE int sqlite3PcacheRefCount(PCache*); +SQLITE_PRIVATE i64 sqlite3PcacheRefCount(PCache*); /* Increment the reference count of an existing page */ SQLITE_PRIVATE void sqlite3PcacheRef(PgHdr*); -SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr*); +SQLITE_PRIVATE i64 sqlite3PcachePageRefcount(PgHdr*); /* Return the total number of pages stored in the cache */ SQLITE_PRIVATE int sqlite3PcachePagecount(PCache*); @@ -16210,284 +16938,6 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); /************** End of pcache.h **********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ -/************** Include os.h in the middle of sqliteInt.h ********************/ -/************** Begin file os.h **********************************************/ -/* -** 2001 September 16 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This header file (together with is companion C source-code file -** "os.c") attempt to abstract the underlying operating system so that -** the SQLite library will work on both POSIX and windows systems. -** -** This header file is #include-ed by sqliteInt.h and thus ends up -** being included by every source file. -*/ -#ifndef _SQLITE_OS_H_ -#define _SQLITE_OS_H_ - -/* -** Attempt to automatically detect the operating system and setup the -** necessary pre-processor macros for it. -*/ -/************** Include os_setup.h in the middle of os.h *********************/ -/************** Begin file os_setup.h ****************************************/ -/* -** 2013 November 25 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains pre-processor directives related to operating system -** detection and/or setup. -*/ -#ifndef SQLITE_OS_SETUP_H -#define SQLITE_OS_SETUP_H - -/* -** Figure out if we are dealing with Unix, Windows, or some other operating -** system. -** -** After the following block of preprocess macros, all of SQLITE_OS_UNIX, -** SQLITE_OS_WIN, and SQLITE_OS_OTHER will defined to either 1 or 0. One of -** the three will be 1. The other two will be 0. -*/ -#if defined(SQLITE_OS_OTHER) -# if SQLITE_OS_OTHER==1 -# undef SQLITE_OS_UNIX -# define SQLITE_OS_UNIX 0 -# undef SQLITE_OS_WIN -# define SQLITE_OS_WIN 0 -# else -# undef SQLITE_OS_OTHER -# endif -#endif -#if !defined(SQLITE_OS_UNIX) && !defined(SQLITE_OS_OTHER) -# define SQLITE_OS_OTHER 0 -# ifndef SQLITE_OS_WIN -# if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || \ - defined(__MINGW32__) || defined(__BORLANDC__) -# define SQLITE_OS_WIN 1 -# define SQLITE_OS_UNIX 0 -# else -# define SQLITE_OS_WIN 0 -# define SQLITE_OS_UNIX 1 -# endif -# else -# define SQLITE_OS_UNIX 0 -# endif -#else -# ifndef SQLITE_OS_WIN -# define SQLITE_OS_WIN 0 -# endif -#endif - -#endif /* SQLITE_OS_SETUP_H */ - -/************** End of os_setup.h ********************************************/ -/************** Continuing where we left off in os.h *************************/ - -/* If the SET_FULLSYNC macro is not defined above, then make it -** a no-op -*/ -#ifndef SET_FULLSYNC -# define SET_FULLSYNC(x,y) -#endif - -/* -** The default size of a disk sector -*/ -#ifndef SQLITE_DEFAULT_SECTOR_SIZE -# define SQLITE_DEFAULT_SECTOR_SIZE 4096 -#endif - -/* -** Temporary files are named starting with this prefix followed by 16 random -** alphanumeric characters, and no file extension. They are stored in the -** OS's standard temporary file directory, and are deleted prior to exit. -** If sqlite is being embedded in another program, you may wish to change the -** prefix to reflect your program's name, so that if your program exits -** prematurely, old temporary files can be easily identified. This can be done -** using -DSQLITE_TEMP_FILE_PREFIX=myprefix_ on the compiler command line. -** -** 2006-10-31: The default prefix used to be "sqlite_". But then -** Mcafee started using SQLite in their anti-virus product and it -** started putting files with the "sqlite" name in the c:/temp folder. -** This annoyed many windows users. Those users would then do a -** Google search for "sqlite", find the telephone numbers of the -** developers and call to wake them up at night and complain. -** For this reason, the default name prefix is changed to be "sqlite" -** spelled backwards. So the temp files are still identified, but -** anybody smart enough to figure out the code is also likely smart -** enough to know that calling the developer will not help get rid -** of the file. -*/ -#ifndef SQLITE_TEMP_FILE_PREFIX -# define SQLITE_TEMP_FILE_PREFIX "etilqs_" -#endif - -/* -** The following values may be passed as the second argument to -** sqlite3OsLock(). The various locks exhibit the following semantics: -** -** SHARED: Any number of processes may hold a SHARED lock simultaneously. -** RESERVED: A single process may hold a RESERVED lock on a file at -** any time. Other processes may hold and obtain new SHARED locks. -** PENDING: A single process may hold a PENDING lock on a file at -** any one time. Existing SHARED locks may persist, but no new -** SHARED locks may be obtained by other processes. -** EXCLUSIVE: An EXCLUSIVE lock precludes all other locks. -** -** PENDING_LOCK may not be passed directly to sqlite3OsLock(). Instead, a -** process that requests an EXCLUSIVE lock may actually obtain a PENDING -** lock. This can be upgraded to an EXCLUSIVE lock by a subsequent call to -** sqlite3OsLock(). -*/ -#define NO_LOCK 0 -#define SHARED_LOCK 1 -#define RESERVED_LOCK 2 -#define PENDING_LOCK 3 -#define EXCLUSIVE_LOCK 4 - -/* -** File Locking Notes: (Mostly about windows but also some info for Unix) -** -** We cannot use LockFileEx() or UnlockFileEx() on Win95/98/ME because -** those functions are not available. So we use only LockFile() and -** UnlockFile(). -** -** LockFile() prevents not just writing but also reading by other processes. -** A SHARED_LOCK is obtained by locking a single randomly-chosen -** byte out of a specific range of bytes. The lock byte is obtained at -** random so two separate readers can probably access the file at the -** same time, unless they are unlucky and choose the same lock byte. -** An EXCLUSIVE_LOCK is obtained by locking all bytes in the range. -** There can only be one writer. A RESERVED_LOCK is obtained by locking -** a single byte of the file that is designated as the reserved lock byte. -** A PENDING_LOCK is obtained by locking a designated byte different from -** the RESERVED_LOCK byte. -** -** On WinNT/2K/XP systems, LockFileEx() and UnlockFileEx() are available, -** which means we can use reader/writer locks. When reader/writer locks -** are used, the lock is placed on the same range of bytes that is used -** for probabilistic locking in Win95/98/ME. Hence, the locking scheme -** will support two or more Win95 readers or two or more WinNT readers. -** But a single Win95 reader will lock out all WinNT readers and a single -** WinNT reader will lock out all other Win95 readers. -** -** The following #defines specify the range of bytes used for locking. -** SHARED_SIZE is the number of bytes available in the pool from which -** a random byte is selected for a shared lock. The pool of bytes for -** shared locks begins at SHARED_FIRST. -** -** The same locking strategy and -** byte ranges are used for Unix. This leaves open the possibility of having -** clients on win95, winNT, and unix all talking to the same shared file -** and all locking correctly. To do so would require that samba (or whatever -** tool is being used for file sharing) implements locks correctly between -** windows and unix. I'm guessing that isn't likely to happen, but by -** using the same locking range we are at least open to the possibility. -** -** Locking in windows is manditory. For this reason, we cannot store -** actual data in the bytes used for locking. The pager never allocates -** the pages involved in locking therefore. SHARED_SIZE is selected so -** that all locks will fit on a single page even at the minimum page size. -** PENDING_BYTE defines the beginning of the locks. By default PENDING_BYTE -** is set high so that we don't have to allocate an unused page except -** for very large databases. But one should test the page skipping logic -** by setting PENDING_BYTE low and running the entire regression suite. -** -** Changing the value of PENDING_BYTE results in a subtly incompatible -** file format. Depending on how it is changed, you might not notice -** the incompatibility right away, even running a full regression test. -** The default location of PENDING_BYTE is the first byte past the -** 1GB boundary. -** -*/ -#ifdef SQLITE_OMIT_WSD -# define PENDING_BYTE (0x40000000) -#else -# define PENDING_BYTE sqlite3PendingByte -#endif -#define RESERVED_BYTE (PENDING_BYTE+1) -#define SHARED_FIRST (PENDING_BYTE+2) -#define SHARED_SIZE 510 - -/* -** Wrapper around OS specific sqlite3_os_init() function. -*/ -SQLITE_PRIVATE int sqlite3OsInit(void); - -/* -** Functions for accessing sqlite3_file methods -*/ -SQLITE_PRIVATE void sqlite3OsClose(sqlite3_file*); -SQLITE_PRIVATE int sqlite3OsRead(sqlite3_file*, void*, int amt, i64 offset); -SQLITE_PRIVATE int sqlite3OsWrite(sqlite3_file*, const void*, int amt, i64 offset); -SQLITE_PRIVATE int sqlite3OsTruncate(sqlite3_file*, i64 size); -SQLITE_PRIVATE int sqlite3OsSync(sqlite3_file*, int); -SQLITE_PRIVATE int sqlite3OsFileSize(sqlite3_file*, i64 *pSize); -SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file*, int); -SQLITE_PRIVATE int sqlite3OsUnlock(sqlite3_file*, int); -SQLITE_PRIVATE int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut); -SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file*,int,void*); -SQLITE_PRIVATE void sqlite3OsFileControlHint(sqlite3_file*,int,void*); -#define SQLITE_FCNTL_DB_UNCHANGED 0xca093fa0 -SQLITE_PRIVATE int sqlite3OsSectorSize(sqlite3_file *id); -SQLITE_PRIVATE int sqlite3OsDeviceCharacteristics(sqlite3_file *id); -#ifndef SQLITE_OMIT_WAL -SQLITE_PRIVATE int sqlite3OsShmMap(sqlite3_file *,int,int,int,void volatile **); -SQLITE_PRIVATE int sqlite3OsShmLock(sqlite3_file *id, int, int, int); -SQLITE_PRIVATE void sqlite3OsShmBarrier(sqlite3_file *id); -SQLITE_PRIVATE int sqlite3OsShmUnmap(sqlite3_file *id, int); -#endif /* SQLITE_OMIT_WAL */ -SQLITE_PRIVATE int sqlite3OsFetch(sqlite3_file *id, i64, int, void **); -SQLITE_PRIVATE int sqlite3OsUnfetch(sqlite3_file *, i64, void *); - - -/* -** Functions for accessing sqlite3_vfs methods -*/ -SQLITE_PRIVATE int sqlite3OsOpen(sqlite3_vfs *, const char *, sqlite3_file*, int, int *); -SQLITE_PRIVATE int sqlite3OsDelete(sqlite3_vfs *, const char *, int); -SQLITE_PRIVATE int sqlite3OsAccess(sqlite3_vfs *, const char *, int, int *pResOut); -SQLITE_PRIVATE int sqlite3OsFullPathname(sqlite3_vfs *, const char *, int, char *); -#ifndef SQLITE_OMIT_LOAD_EXTENSION -SQLITE_PRIVATE void *sqlite3OsDlOpen(sqlite3_vfs *, const char *); -SQLITE_PRIVATE void sqlite3OsDlError(sqlite3_vfs *, int, char *); -SQLITE_PRIVATE void (*sqlite3OsDlSym(sqlite3_vfs *, void *, const char *))(void); -SQLITE_PRIVATE void sqlite3OsDlClose(sqlite3_vfs *, void *); -#endif /* SQLITE_OMIT_LOAD_EXTENSION */ -SQLITE_PRIVATE int sqlite3OsRandomness(sqlite3_vfs *, int, char *); -SQLITE_PRIVATE int sqlite3OsSleep(sqlite3_vfs *, int); -SQLITE_PRIVATE int sqlite3OsGetLastError(sqlite3_vfs*); -SQLITE_PRIVATE int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); - -/* -** Convenience functions for opening and closing files using -** sqlite3_malloc() to obtain space for the file-handle structure. -*/ -SQLITE_PRIVATE int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); -SQLITE_PRIVATE void sqlite3OsCloseFree(sqlite3_file *); - -#endif /* _SQLITE_OS_H_ */ - -/************** End of os.h **************************************************/ -/************** Continuing where we left off in sqliteInt.h ******************/ /************** Include mutex.h in the middle of sqliteInt.h *****************/ /************** Begin file mutex.h *******************************************/ /* @@ -16576,7 +17026,7 @@ SQLITE_API int sqlite3_mutex_held(sqlite3_mutex*); /* ** Default synchronous levels. ** -** Note that (for historcal reasons) the PAGER_SYNCHRONOUS_* macros differ +** Note that (for historical reasons) the PAGER_SYNCHRONOUS_* macros differ ** from the SQLITE_DEFAULT_SYNCHRONOUS value by 1. ** ** PAGER_SYNCHRONOUS DEFAULT_SYNCHRONOUS @@ -16615,7 +17065,7 @@ struct Db { ** An instance of the following structure stores a database schema. ** ** Most Schema objects are associated with a Btree. The exception is -** the Schema for the TEMP databaes (sqlite3.aDb[1]) which is free-standing. +** the Schema for the TEMP database (sqlite3.aDb[1]) which is free-standing. ** In shared cache mode, a single Schema object can be shared by multiple ** Btrees that refer to the same underlying BtShared object. ** @@ -16726,13 +17176,14 @@ struct Lookaside { LookasideSlot *pInit; /* List of buffers not previously used */ LookasideSlot *pFree; /* List of available buffers */ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE - LookasideSlot *pSmallInit; /* List of small buffers not prediously used */ + LookasideSlot *pSmallInit; /* List of small buffers not previously used */ LookasideSlot *pSmallFree; /* List of available small buffers */ void *pMiddle; /* First byte past end of full-size buffers and ** the first byte of LOOKASIDE_SMALL buffers */ #endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ void *pStart; /* First byte of available memory space */ void *pEnd; /* First byte past end of available space */ + void *pTrueEnd; /* True value of pEnd, when db->pnBytesFreed!=0 */ }; struct LookasideSlot { LookasideSlot *pNext; /* Next buffer in the list of free buffers */ @@ -16742,7 +17193,7 @@ struct LookasideSlot { #define EnableLookaside db->lookaside.bDisable--;\ db->lookaside.sz=db->lookaside.bDisable?0:db->lookaside.szTrue -/* Size of the smaller allocations in two-size lookside */ +/* Size of the smaller allocations in two-size lookaside */ #ifdef SQLITE_OMIT_TWOSIZE_LOOKASIDE # define LOOKASIDE_SMALL 0 #else @@ -16813,6 +17264,11 @@ SQLITE_PRIVATE void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**); #endif /* SQLITE_OMIT_DEPRECATED */ #define SQLITE_TRACE_NONLEGACY_MASK 0x0f /* Normal flags */ +/* +** Maximum number of sqlite3.aDb[] entries. This is the number of attached +** databases plus 2 for "main" and "temp". +*/ +#define SQLITE_MAX_DB (SQLITE_MAX_ATTACHED+2) /* ** Each database connection is an instance of the following structure. @@ -16831,9 +17287,10 @@ struct sqlite3 { u32 nSchemaLock; /* Do not reset the schema when non-zero */ unsigned int openFlags; /* Flags passed to sqlite3_vfs.xOpen() */ int errCode; /* Most recent error code (SQLITE_*) */ + int errByteOffset; /* Byte offset of error in SQL statement */ int errMask; /* & result codes with this before returning */ int iSysErrno; /* Errno value from last system error */ - u16 dbOptFlags; /* Flags to enable/disable optimizations */ + u32 dbOptFlags; /* Flags to enable/disable optimizations */ u8 enc; /* Text encoding */ u8 autoCommit; /* The auto-commit flag. */ u8 temp_store; /* 1: file 2: memory 0: default */ @@ -16847,10 +17304,10 @@ struct sqlite3 { u8 mTrace; /* zero or more SQLITE_TRACE flags */ u8 noSharedCache; /* True if no shared-cache backends */ u8 nSqlExec; /* Number of pending OP_SqlExec opcodes */ + u8 eOpenState; /* Current condition of the connection */ int nextPagesize; /* Pagesize after VACUUM if >0 */ - u32 magic; /* Magic number for detect library misuse */ - int nChange; /* Value returned by sqlite3_changes() */ - int nTotalChange; /* Value returned by sqlite3_total_changes() */ + i64 nChange; /* Value returned by sqlite3_changes() */ + i64 nTotalChange; /* Value returned by sqlite3_total_changes() */ int aLimit[SQLITE_N_LIMIT]; /* Limits */ int nMaxSorterMmap; /* Maximum size of regions mapped by sorter */ struct sqlite3InitInfo { /* Information used during initialization */ @@ -16860,7 +17317,7 @@ struct sqlite3 { unsigned orphanTrigger : 1; /* Last statement is orphaned TEMP trigger */ unsigned imposterTable : 1; /* Building an imposter table */ unsigned reopenMemdb : 1; /* ATTACH is really a reopen using MemDB */ - char **azInit; /* "type", "name", and "tbl_name" columns */ + const char **azInit; /* "type", "name", and "tbl_name" columns */ } init; int nVdbeActive; /* Number of VDBEs currently running */ int nVdbeRead; /* Number of active VDBEs that read or write */ @@ -16870,10 +17327,10 @@ struct sqlite3 { int nExtension; /* Number of loaded extensions */ void **aExtension; /* Array of shared library handles */ union { - void (*xLegacy)(void*,const char*); /* Legacy trace function */ - int (*xV2)(u32,void*,void*,void*); /* V2 Trace function */ + void (*xLegacy)(void*,const char*); /* mTrace==SQLITE_TRACE_LEGACY */ + int (*xV2)(u32,void*,void*,void*); /* All other mTrace values */ } trace; - void *pTraceArg; /* Argument to the trace function */ + void *pTraceArg; /* Argument to the trace function */ #ifndef SQLITE_OMIT_DEPRECATED void (*xProfile)(void*,const char*,u64); /* Profiling function */ void *pProfileArg; /* Argument to profile function */ @@ -16884,6 +17341,9 @@ struct sqlite3 { void (*xRollbackCallback)(void*); /* Invoked at every commit. */ void *pUpdateArg; void (*xUpdateCallback)(void*,int, const char*,const char*,sqlite_int64); + void *pAutovacPagesArg; /* Client argument to autovac_pages */ + void (*xAutovacDestr)(void*); /* Destructor for pAutovacPAgesArg */ + unsigned int (*xAutovacPages)(void*,const char*,u32,u32,u32); Parse *pParse; /* Current parse */ #ifdef SQLITE_ENABLE_PREUPDATE_HOOK void *pPreUpdateArg; /* First argument to xPreUpdateCallback */ @@ -16988,7 +17448,7 @@ struct sqlite3 { #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ #define SQLITE_IgnoreChecks 0x00000200 /* Do not enforce check constraints */ -#define SQLITE_ReadUncommit 0x00000400 /* READ UNCOMMITTED in shared-cache */ +#define SQLITE_StmtScanStatus 0x00000400 /* Enable stmt_scanstats() counters */ #define SQLITE_NoCkptOnClose 0x00000800 /* No checkpoint on close()/DETACH */ #define SQLITE_ReverseOrder 0x00001000 /* Reverse unordered SELECTs */ #define SQLITE_RecTriggers 0x00002000 /* Enable recursive triggers */ @@ -17013,6 +17473,8 @@ struct sqlite3 { #define SQLITE_CountRows HI(0x00001) /* Count rows changed by INSERT, */ /* DELETE, or UPDATE and return */ /* the count using a callback. */ +#define SQLITE_CorruptRdOnly HI(0x00002) /* Prohibit writes due to error */ +#define SQLITE_ReadUncommit HI(0x00004) /* READ UNCOMMITTED in shared-cache */ /* Flags used only if debugging */ #ifdef SQLITE_DEBUG @@ -17040,24 +17502,38 @@ struct sqlite3 { ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ -#define SQLITE_QueryFlattener 0x0001 /* Query flattening */ -#define SQLITE_WindowFunc 0x0002 /* Use xInverse for window functions */ -#define SQLITE_GroupByOrder 0x0004 /* GROUPBY cover of ORDERBY */ -#define SQLITE_FactorOutConst 0x0008 /* Constant factoring */ -#define SQLITE_DistinctOpt 0x0010 /* DISTINCT using indexes */ -#define SQLITE_CoverIdxScan 0x0020 /* Covering index scans */ -#define SQLITE_OrderByIdxJoin 0x0040 /* ORDER BY of joins via index */ -#define SQLITE_Transitive 0x0080 /* Transitive constraints */ -#define SQLITE_OmitNoopJoin 0x0100 /* Omit unused tables in joins */ -#define SQLITE_CountOfView 0x0200 /* The count-of-view optimization */ -#define SQLITE_CursorHints 0x0400 /* Add OP_CursorHint opcodes */ -#define SQLITE_Stat4 0x0800 /* Use STAT4 data */ - /* TH3 expects the Stat4 ^^^^^^ value to be 0x0800. Don't change it */ -#define SQLITE_PushDown 0x1000 /* The push-down optimization */ -#define SQLITE_SimplifyJoin 0x2000 /* Convert LEFT JOIN to JOIN */ -#define SQLITE_SkipScan 0x4000 /* Skip-scans */ -#define SQLITE_PropagateConst 0x8000 /* The constant propagation opt */ -#define SQLITE_AllOpts 0xffff /* All optimizations */ +#define SQLITE_QueryFlattener 0x00000001 /* Query flattening */ +#define SQLITE_WindowFunc 0x00000002 /* Use xInverse for window functions */ +#define SQLITE_GroupByOrder 0x00000004 /* GROUPBY cover of ORDERBY */ +#define SQLITE_FactorOutConst 0x00000008 /* Constant factoring */ +#define SQLITE_DistinctOpt 0x00000010 /* DISTINCT using indexes */ +#define SQLITE_CoverIdxScan 0x00000020 /* Covering index scans */ +#define SQLITE_OrderByIdxJoin 0x00000040 /* ORDER BY of joins via index */ +#define SQLITE_Transitive 0x00000080 /* Transitive constraints */ +#define SQLITE_OmitNoopJoin 0x00000100 /* Omit unused tables in joins */ +#define SQLITE_CountOfView 0x00000200 /* The count-of-view optimization */ +#define SQLITE_CursorHints 0x00000400 /* Add OP_CursorHint opcodes */ +#define SQLITE_Stat4 0x00000800 /* Use STAT4 data */ + /* TH3 expects this value ^^^^^^^^^^ to be 0x0000800. Don't change it */ +#define SQLITE_PushDown 0x00001000 /* The push-down optimization */ +#define SQLITE_SimplifyJoin 0x00002000 /* Convert LEFT JOIN to JOIN */ +#define SQLITE_SkipScan 0x00004000 /* Skip-scans */ +#define SQLITE_PropagateConst 0x00008000 /* The constant propagation opt */ +#define SQLITE_MinMaxOpt 0x00010000 /* The min/max optimization */ +#define SQLITE_SeekScan 0x00020000 /* The OP_SeekScan optimization */ +#define SQLITE_OmitOrderBy 0x00040000 /* Omit pointless ORDER BY */ + /* TH3 expects this value ^^^^^^^^^^ to be 0x40000. Coordinate any change */ +#define SQLITE_BloomFilter 0x00080000 /* Use a Bloom filter on searches */ +#define SQLITE_BloomPulldown 0x00100000 /* Run Bloom filters early */ +#define SQLITE_BalancedMerge 0x00200000 /* Balance multi-way merges */ +#define SQLITE_ReleaseReg 0x00400000 /* Use OP_ReleaseReg for testing */ +#define SQLITE_FlttnUnionAll 0x00800000 /* Disable the UNION ALL flattener */ + /* TH3 expects this value ^^^^^^^^^^ See flatten04.test */ +#define SQLITE_IndexedExpr 0x01000000 /* Pull exprs from index when able */ +#define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ +#define SQLITE_NullUnusedCols 0x04000000 /* NULL unused columns in subqueries */ +#define SQLITE_OnePass 0x08000000 /* Single-pass DELETE and UPDATE */ +#define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* ** Macros for testing whether or not optimizations are enabled or disabled. @@ -17071,17 +17547,16 @@ struct sqlite3 { */ #define ConstFactorOk(P) ((P)->okConstFactor) -/* -** Possible values for the sqlite.magic field. -** The numbers are obtained at random and have no special meaning, other -** than being distinct from one another. +/* Possible values for the sqlite3.eOpenState field. +** The numbers are randomly selected such that a minimum of three bits must +** change to convert any number to another or to zero */ -#define SQLITE_MAGIC_OPEN 0xa029a697 /* Database is open */ -#define SQLITE_MAGIC_CLOSED 0x9f3c2d33 /* Database is closed */ -#define SQLITE_MAGIC_SICK 0x4b771290 /* Error and awaiting close */ -#define SQLITE_MAGIC_BUSY 0xf03b7906 /* Database currently in use */ -#define SQLITE_MAGIC_ERROR 0xb5357930 /* An SQLITE_MISUSE error occurred */ -#define SQLITE_MAGIC_ZOMBIE 0x64cffc7f /* Close with last statement close */ +#define SQLITE_STATE_OPEN 0x76 /* Database is open */ +#define SQLITE_STATE_CLOSED 0xce /* Database is closed */ +#define SQLITE_STATE_SICK 0xba /* Error and awaiting close */ +#define SQLITE_STATE_BUSY 0x6d /* Database currently in use */ +#define SQLITE_STATE_ERROR 0xd5 /* An SQLITE_MISUSE error occurred */ +#define SQLITE_STATE_ZOMBIE 0xa7 /* Close with last statement close */ /* ** Each SQL function is defined by an instance of the following @@ -17106,7 +17581,7 @@ struct FuncDef { union { FuncDef *pHash; /* Next with a different name but the same hash */ FuncDestructor *pDestructor; /* Reference counted destructor function */ - } u; + } u; /* pHash if SQLITE_FUNC_BUILTIN, pDestructor otherwise */ }; /* @@ -17136,13 +17611,21 @@ struct FuncDestructor { ** are assert() statements in the code to verify this. ** ** Value constraints (enforced via assert()): -** SQLITE_FUNC_MINMAX == NC_MinMaxAgg == SF_MinMaxAgg -** SQLITE_FUNC_LENGTH == OPFLAG_LENGTHARG -** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG -** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API -** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API -** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS +** SQLITE_FUNC_MINMAX == NC_MinMaxAgg == SF_MinMaxAgg +** SQLITE_FUNC_ANYORDER == NC_OrderAgg == SF_OrderByReqd +** SQLITE_FUNC_LENGTH == OPFLAG_LENGTHARG +** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG +** SQLITE_FUNC_BYTELEN == OPFLAG_BYTELENARG +** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API +** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API +** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS -- opposite meanings!!! ** SQLITE_FUNC_ENCMASK depends on SQLITE_UTF* macros in the API +** +** Note that even though SQLITE_FUNC_UNSAFE and SQLITE_INNOCUOUS have the +** same bit value, their meanings are inverted. SQLITE_FUNC_UNSAFE is +** used internally and if set means that the function has side effects. +** SQLITE_INNOCUOUS is used by application code and means "not unsafe". +** See multiple instances of tag-20230109-1. */ #define SQLITE_FUNC_ENCMASK 0x0003 /* SQLITE_UTF8, SQLITE_UTF16BE or UTF16LE */ #define SQLITE_FUNC_LIKE 0x0004 /* Candidate for the LIKE optimization */ @@ -17151,6 +17634,7 @@ struct FuncDestructor { #define SQLITE_FUNC_NEEDCOLL 0x0020 /* sqlite3GetFuncCollSeq() might be called*/ #define SQLITE_FUNC_LENGTH 0x0040 /* Built-in length() function */ #define SQLITE_FUNC_TYPEOF 0x0080 /* Built-in typeof() function */ +#define SQLITE_FUNC_BYTELEN 0x00c0 /* Built-in octet_length() function */ #define SQLITE_FUNC_COUNT 0x0100 /* Built-in count(*) aggregate */ /* 0x0200 -- available for reuse */ #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */ @@ -17159,13 +17643,15 @@ struct FuncDestructor { #define SQLITE_FUNC_SLOCHNG 0x2000 /* "Slow Change". Value constant during a ** single query - might change over time */ #define SQLITE_FUNC_TEST 0x4000 /* Built-in testing functions */ -#define SQLITE_FUNC_OFFSET 0x8000 /* Built-in sqlite_offset() function */ +/* 0x8000 -- available for reuse */ #define SQLITE_FUNC_WINDOW 0x00010000 /* Built-in window-only function */ #define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */ #define SQLITE_FUNC_DIRECT 0x00080000 /* Not for use in TRIGGERs or VIEWs */ #define SQLITE_FUNC_SUBTYPE 0x00100000 /* Result likely to have sub-type */ #define SQLITE_FUNC_UNSAFE 0x00200000 /* Function has side effects */ #define SQLITE_FUNC_INLINE 0x00400000 /* Functions implemented in-line */ +#define SQLITE_FUNC_BUILTIN 0x00800000 /* This is a built-in function */ +#define SQLITE_FUNC_ANYORDER 0x08000000 /* count/min/max aggregate */ /* Identifier numbers for each in-line function */ #define INLINEFUNC_coalesce 0 @@ -17174,6 +17660,7 @@ struct FuncDestructor { #define INLINEFUNC_expr_compare 3 #define INLINEFUNC_affinity 4 #define INLINEFUNC_iif 5 +#define INLINEFUNC_sqlite_offset 6 #define INLINEFUNC_unlikely 99 /* Default case */ /* @@ -17213,6 +17700,9 @@ struct FuncDestructor { ** a single query. The iArg is ignored. The user-data is always set ** to a NULL pointer. The bNC parameter is not used. ** +** MFUNCTION(zName, nArg, xPtr, xFunc) +** For math-library functions. xPtr is an arbitrary pointer. +** ** PURE_DATE(zName, nArg, iArg, bNC, xFunc) ** Used for "pure" date/time functions, this macro is like DFUNCTION ** except that it does set the SQLITE_FUNC_CONSTANT flags. iArg is @@ -17225,7 +17715,7 @@ struct FuncDestructor { ** are interpreted in the same way as the first 4 parameters to ** FUNCTION(). ** -** WFUNCTION(zName, nArg, iArg, xStep, xFinal, xValue, xInverse) +** WAGGREGATE(zName, nArg, iArg, xStep, xFinal, xValue, xInverse) ** Used to create an aggregate function definition implemented by ** the C functions xStep and xFinal. The first four parameters ** are interpreted in the same way as the first 4 parameters to @@ -17240,41 +17730,55 @@ struct FuncDestructor { ** parameter. */ #define FUNCTION(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } #define VFUNCTION(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } #define SFUNCTION(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_UTF8|SQLITE_DIRECTONLY|SQLITE_FUNC_UNSAFE, \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_UTF8|SQLITE_DIRECTONLY|SQLITE_FUNC_UNSAFE, \ + SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } +#define MFUNCTION(zName, nArg, xPtr, xFunc) \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ + xPtr, 0, xFunc, 0, 0, 0, #zName, {0} } +#define JFUNCTION(zName, nArg, iArg, xFunc) \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_DETERMINISTIC|\ + SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } #define INLINE_FUNC(zName, nArg, iArg, mFlags) \ - {nArg, SQLITE_UTF8|SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_UTF8|SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ SQLITE_INT_TO_PTR(iArg), 0, noopFunc, 0, 0, 0, #zName, {0} } #define TEST_FUNC(zName, nArg, iArg, mFlags) \ - {nArg, SQLITE_UTF8|SQLITE_FUNC_INTERNAL|SQLITE_FUNC_TEST| \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_UTF8|SQLITE_FUNC_INTERNAL|SQLITE_FUNC_TEST| \ SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ SQLITE_INT_TO_PTR(iArg), 0, noopFunc, 0, 0, 0, #zName, {0} } #define DFUNCTION(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8, \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_FUNC_SLOCHNG|SQLITE_UTF8, \ 0, 0, xFunc, 0, 0, 0, #zName, {0} } #define PURE_DATE(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ (void*)&sqlite3Config, 0, xFunc, 0, 0, 0, #zName, {0} } #define FUNCTION2(zName, nArg, iArg, bNC, xFunc, extraFlags) \ - {nArg,SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } #define STR_FUNCTION(zName, nArg, pArg, bNC, xFunc) \ - {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ pArg, 0, xFunc, 0, 0, 0, #zName, } #define LIKEFUNC(zName, nArg, arg, flags) \ - {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|flags, \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_FUNC_CONSTANT|SQLITE_UTF8|flags, \ (void *)arg, 0, likeFunc, 0, 0, 0, #zName, {0} } #define WAGGREGATE(zName, nArg, arg, nc, xStep, xFinal, xValue, xInverse, f) \ - {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|f, \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|f, \ SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xValue,xInverse,#zName, {0}} #define INTERNAL_FUNCTION(zName, nArg, xFunc) \ - {nArg, SQLITE_FUNC_INTERNAL|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ + {nArg, SQLITE_FUNC_BUILTIN|\ + SQLITE_FUNC_INTERNAL|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ 0, 0, xFunc, 0, 0, 0, #zName, {0} } @@ -17330,19 +17834,48 @@ struct Module { ** or equal to the table column index. It is ** equal if and only if there are no VIRTUAL ** columns to the left. +** +** Notes on zCnName: +** The zCnName field stores the name of the column, the datatype of the +** column, and the collating sequence for the column, in that order, all in +** a single allocation. Each string is 0x00 terminated. The datatype +** is only included if the COLFLAG_HASTYPE bit of colFlags is set and the +** collating sequence name is only included if the COLFLAG_HASCOLL bit is +** set. */ struct Column { - char *zName; /* Name of this column, \000, then the type */ - Expr *pDflt; /* Default value or GENERATED ALWAYS AS value */ - char *zColl; /* Collating sequence. If NULL, use the default */ - u8 notNull; /* An OE_ code for handling a NOT NULL constraint */ - char affinity; /* One of the SQLITE_AFF_... values */ - u8 szEst; /* Estimated size of value in this column. sizeof(INT)==1 */ - u8 hName; /* Column name hash for faster lookup */ - u16 colFlags; /* Boolean properties. See COLFLAG_ defines below */ + char *zCnName; /* Name of this column */ + unsigned notNull :4; /* An OE_ code for handling a NOT NULL constraint */ + unsigned eCType :4; /* One of the standard types */ + char affinity; /* One of the SQLITE_AFF_... values */ + u8 szEst; /* Est size of value in this column. sizeof(INT)==1 */ + u8 hName; /* Column name hash for faster lookup */ + u16 iDflt; /* 1-based index of DEFAULT. 0 means "none" */ + u16 colFlags; /* Boolean properties. See COLFLAG_ defines below */ }; -/* Allowed values for Column.colFlags: +/* Allowed values for Column.eCType. +** +** Values must match entries in the global constant arrays +** sqlite3StdTypeLen[] and sqlite3StdType[]. Each value is one more +** than the offset into these arrays for the corresponding name. +** Adjust the SQLITE_N_STDTYPE value if adding or removing entries. +*/ +#define COLTYPE_CUSTOM 0 /* Type appended to zName */ +#define COLTYPE_ANY 1 +#define COLTYPE_BLOB 2 +#define COLTYPE_INT 3 +#define COLTYPE_INTEGER 4 +#define COLTYPE_REAL 5 +#define COLTYPE_TEXT 6 +#define SQLITE_N_STDTYPE 6 /* Number of standard types */ + +/* Allowed values for Column.colFlags. +** +** Constraints: +** TF_HasVirtual == COLFLAG_VIRTUAL +** TF_HasStored == COLFLAG_STORED +** TF_HasHidden == COLFLAG_HIDDEN */ #define COLFLAG_PRIMKEY 0x0001 /* Column is part of the primary key */ #define COLFLAG_HIDDEN 0x0002 /* A hidden column in a virtual table */ @@ -17353,6 +17886,8 @@ struct Column { #define COLFLAG_STORED 0x0040 /* GENERATED ALWAYS AS ... STORED */ #define COLFLAG_NOTAVAIL 0x0080 /* STORED column not yet calculated */ #define COLFLAG_BUSY 0x0100 /* Blocks recursion on GENERATED columns */ +#define COLFLAG_HASCOLL 0x0200 /* Has collating sequence name in zCnName */ +#define COLFLAG_NOEXPAND 0x0400 /* Omit this column when expanding "*" */ #define COLFLAG_GENERATED 0x0060 /* Combo: _STORED, _VIRTUAL */ #define COLFLAG_NOINSERT 0x0062 /* Combo: _HIDDEN, _STORED, _VIRTUAL */ @@ -17400,6 +17935,7 @@ struct CollSeq { #define SQLITE_AFF_NUMERIC 0x43 /* 'C' */ #define SQLITE_AFF_INTEGER 0x44 /* 'D' */ #define SQLITE_AFF_REAL 0x45 /* 'E' */ +#define SQLITE_AFF_FLEXNUM 0x46 /* 'F' */ #define sqlite3IsNumericAffinity(X) ((X)>=SQLITE_AFF_NUMERIC) @@ -17418,9 +17954,7 @@ struct CollSeq { ** operator is NULL. It is added to certain comparison operators to ** prove that the operands are always NOT NULL. */ -#define SQLITE_KEEPNULL 0x08 /* Used by vector == or <> */ #define SQLITE_JUMPIFNULL 0x10 /* jumps if either operand is NULL */ -#define SQLITE_STOREP2 0x20 /* Store result in reg[P2] rather than jump */ #define SQLITE_NULLEQ 0x80 /* NULL=NULL */ #define SQLITE_NOTNULL 0x90 /* Assert that operands are never NULL */ @@ -17472,6 +18006,7 @@ struct VTable { sqlite3_vtab *pVtab; /* Pointer to vtab instance */ int nRef; /* Number of pointers to this structure */ u8 bConstraint; /* True if constraints are supported */ + u8 bAllSchemas; /* True if might use any attached schema */ u8 eVtabRisk; /* Riskiness of allowing hacker access */ int iSavepoint; /* Depth of the SAVEPOINT stack */ VTable *pNext; /* Next in linked list (see above) */ @@ -17484,15 +18019,13 @@ struct VTable { #define SQLITE_VTABRISK_High 2 /* -** The schema for each SQL table and view is represented in memory -** by an instance of the following structure. +** The schema for each SQL table, virtual table, and view is represented +** in memory by an instance of the following structure. */ struct Table { char *zName; /* Name of the table or view */ Column *aCol; /* Information about each column */ Index *pIndex; /* List of SQL indexes on this table. */ - Select *pSelect; /* NULL for tables. Points to definition if a view. */ - FKey *pFKey; /* Linked list of all foreign keys in this table */ char *zColAff; /* String defining the affinity of each column */ ExprList *pCheck; /* All CHECK constraints */ /* ... also used as column name list in a VIEW */ @@ -17508,17 +18041,25 @@ struct Table { LogEst costMult; /* Cost multiplier for using this table */ #endif u8 keyConf; /* What to do in case of uniqueness conflict on iPKey */ -#ifndef SQLITE_OMIT_ALTERTABLE - int addColOffset; /* Offset in CREATE TABLE stmt to add a new column */ -#endif -#ifndef SQLITE_OMIT_VIRTUALTABLE - int nModuleArg; /* Number of arguments to the module */ - char **azModuleArg; /* 0: module 1: schema 2: vtab name 3...: args */ - VTable *pVTable; /* List of VTable objects. */ -#endif - Trigger *pTrigger; /* List of triggers stored in pSchema */ + u8 eTabType; /* 0: normal, 1: virtual, 2: view */ + union { + struct { /* Used by ordinary tables: */ + int addColOffset; /* Offset in CREATE TABLE stmt to add a new column */ + FKey *pFKey; /* Linked list of all foreign keys in this table */ + ExprList *pDfltList; /* DEFAULT clauses on various columns. + ** Or the AS clause for generated columns. */ + } tab; + struct { /* Used by views: */ + Select *pSelect; /* View definition */ + } view; + struct { /* Used by virtual tables only: */ + int nArg; /* Number of arguments to the module */ + char **azArg; /* 0: module 1: schema 2: vtab name 3...: args */ + VTable *p; /* List of VTable objects. */ + } vtab; + } u; + Trigger *pTrigger; /* List of triggers on this object */ Schema *pSchema; /* Schema that contains this table */ - Table *pNextZombie; /* Next on the Parse.pZombieTab list */ }; /* @@ -17532,24 +18073,39 @@ struct Table { ** ** Constraints: ** -** TF_HasVirtual == COLFLAG_Virtual -** TF_HasStored == COLFLAG_Stored -*/ -#define TF_Readonly 0x0001 /* Read-only system table */ -#define TF_Ephemeral 0x0002 /* An ephemeral table */ -#define TF_HasPrimaryKey 0x0004 /* Table has a primary key */ -#define TF_Autoincrement 0x0008 /* Integer primary key is autoincrement */ -#define TF_HasStat1 0x0010 /* nRowLogEst set from sqlite_stat1 */ -#define TF_HasVirtual 0x0020 /* Has one or more VIRTUAL columns */ -#define TF_HasStored 0x0040 /* Has one or more STORED columns */ -#define TF_HasGenerated 0x0060 /* Combo: HasVirtual + HasStored */ -#define TF_WithoutRowid 0x0080 /* No rowid. PRIMARY KEY is the key */ -#define TF_StatsUsed 0x0100 /* Query planner decisions affected by +** TF_HasVirtual == COLFLAG_VIRTUAL +** TF_HasStored == COLFLAG_STORED +** TF_HasHidden == COLFLAG_HIDDEN +*/ +#define TF_Readonly 0x00000001 /* Read-only system table */ +#define TF_HasHidden 0x00000002 /* Has one or more hidden columns */ +#define TF_HasPrimaryKey 0x00000004 /* Table has a primary key */ +#define TF_Autoincrement 0x00000008 /* Integer primary key is autoincrement */ +#define TF_HasStat1 0x00000010 /* nRowLogEst set from sqlite_stat1 */ +#define TF_HasVirtual 0x00000020 /* Has one or more VIRTUAL columns */ +#define TF_HasStored 0x00000040 /* Has one or more STORED columns */ +#define TF_HasGenerated 0x00000060 /* Combo: HasVirtual + HasStored */ +#define TF_WithoutRowid 0x00000080 /* No rowid. PRIMARY KEY is the key */ +#define TF_StatsUsed 0x00000100 /* Query planner decisions affected by ** Index.aiRowLogEst[] values */ -#define TF_NoVisibleRowid 0x0200 /* No user-visible "rowid" column */ -#define TF_OOOHidden 0x0400 /* Out-of-Order hidden columns */ -#define TF_HasNotNull 0x0800 /* Contains NOT NULL constraints */ -#define TF_Shadow 0x1000 /* True for a shadow table */ +#define TF_NoVisibleRowid 0x00000200 /* No user-visible "rowid" column */ +#define TF_OOOHidden 0x00000400 /* Out-of-Order hidden columns */ +#define TF_HasNotNull 0x00000800 /* Contains NOT NULL constraints */ +#define TF_Shadow 0x00001000 /* True for a shadow table */ +#define TF_HasStat4 0x00002000 /* STAT4 info available for this table */ +#define TF_Ephemeral 0x00004000 /* An ephemeral table */ +#define TF_Eponymous 0x00008000 /* An eponymous virtual table */ +#define TF_Strict 0x00010000 /* STRICT mode */ + +/* +** Allowed values for Table.eTabType +*/ +#define TABTYP_NORM 0 /* Ordinary table */ +#define TABTYP_VTAB 1 /* Virtual table */ +#define TABTYP_VIEW 2 /* A view */ + +#define IsView(X) ((X)->eTabType==TABTYP_VIEW) +#define IsOrdinaryTable(X) ((X)->eTabType==TABTYP_NORM) /* ** Test to see whether or not a table is a virtual table. This is @@ -17557,9 +18113,9 @@ struct Table { ** table support is omitted from the build. */ #ifndef SQLITE_OMIT_VIRTUALTABLE -# define IsVirtual(X) ((X)->nModuleArg) +# define IsVirtual(X) ((X)->eTabType==TABTYP_VTAB) # define ExprIsVtab(X) \ - ((X)->op==TK_COLUMN && (X)->y.pTab!=0 && (X)->y.pTab->nModuleArg) + ((X)->op==TK_COLUMN && (X)->y.pTab->eTabType==TABTYP_VTAB) #else # define IsVirtual(X) 0 # define ExprIsVtab(X) 0 @@ -17646,16 +18202,22 @@ struct FKey { ** is returned. REPLACE means that preexisting database rows that caused ** a UNIQUE constraint violation are removed so that the new insert or ** update can proceed. Processing continues and no error is reported. +** UPDATE applies to insert operations only and means that the insert +** is omitted and the DO UPDATE clause of an upsert is run instead. ** -** RESTRICT, SETNULL, and CASCADE actions apply only to foreign keys. +** RESTRICT, SETNULL, SETDFLT, and CASCADE actions apply only to foreign keys. ** RESTRICT is the same as ABORT for IMMEDIATE foreign keys and the ** same as ROLLBACK for DEFERRED keys. SETNULL means that the foreign -** key is set to NULL. CASCADE means that a DELETE or UPDATE of the +** key is set to NULL. SETDFLT means that the foreign key is set +** to its default value. CASCADE means that a DELETE or UPDATE of the ** referenced table row is propagated into the row that holds the ** foreign key. ** +** The OE_Default value is a place holder that means to use whatever +** conflict resolution algorithm is required from context. +** ** The following symbolic values are used to record which type -** of action to take. +** of conflict resolution action to take. */ #define OE_None 0 /* There is no constraint to check */ #define OE_Rollback 1 /* Fail the operation and rollback the transaction */ @@ -17734,6 +18296,11 @@ struct KeyInfo { struct UnpackedRecord { KeyInfo *pKeyInfo; /* Collation and sort-order information */ Mem *aMem; /* Values */ + union { + char *z; /* Cache of aMem[0].z for vdbeRecordCompareString() */ + i64 i; /* Cache of aMem[0].u.i for vdbeRecordCompareInt() */ + } u; + int n; /* Cache of aMem[0].n used by vdbeRecordCompareString() */ u16 nField; /* Number of entries in apMem[] */ i8 default_rc; /* Comparison result if keys are equal */ u8 errCode; /* Error detected by xRecordCompare (CORRUPT or NOMEM) */ @@ -17765,10 +18332,22 @@ struct UnpackedRecord { ** The Index.onError field determines whether or not the indexed columns ** must be unique and what to do if they are not. When Index.onError=OE_None, ** it means this is not a unique index. Otherwise it is a unique index -** and the value of Index.onError indicate the which conflict resolution -** algorithm to employ whenever an attempt is made to insert a non-unique +** and the value of Index.onError indicates which conflict resolution +** algorithm to employ when an attempt is made to insert a non-unique ** element. ** +** The colNotIdxed bitmask is used in combination with SrcItem.colUsed +** for a fast test to see if an index can serve as a covering index. +** colNotIdxed has a 1 bit for every column of the original table that +** is *not* available in the index. Thus the expression +** "colUsed & colNotIdxed" will be non-zero if the index is not a +** covering index. The most significant bit of of colNotIdxed will always +** be true (note-20221022-a). If a column beyond the 63rd column of the +** table is used, the "colUsed & colNotIdxed" test will always be non-zero +** and we have to assume either that the index is not covering, or use +** an alternative (slower) algorithm to determine whether or not +** the index is covering. +** ** While parsing a CREATE TABLE or CREATE INDEX statement in order to ** generate VDBE code (as opposed to parsing one read from an sqlite_schema ** table as part of parsing an existing database schema), transient instances @@ -17804,15 +18383,18 @@ struct Index { unsigned bNoQuery:1; /* Do not use this index to optimize queries */ unsigned bAscKeyBug:1; /* True if the bba7b69f9849b5bf bug applies */ unsigned bHasVCol:1; /* Index references one or more VIRTUAL columns */ + unsigned bHasExpr:1; /* Index contains an expression, either a literal + ** expression, or a reference to a VIRTUAL column */ #ifdef SQLITE_ENABLE_STAT4 int nSample; /* Number of elements in aSample[] */ + int mxSample; /* Number of slots allocated to aSample[] */ int nSampleCol; /* Size of IndexSample.anEq[] and so on */ tRowcnt *aAvgEq; /* Average nEq values for keys not in aSample */ IndexSample *aSample; /* Samples of the left-most key */ tRowcnt *aiRowEst; /* Non-logarithmic stat1 data for this index */ tRowcnt nRowEst0; /* Non-logarithmic number of rows in the index */ #endif - Bitmask colNotIdxed; /* 0 for unindexed columns in pTab */ + Bitmask colNotIdxed; /* Unindexed columns in pTab */ }; /* @@ -17887,16 +18469,15 @@ struct AggInfo { ** from source tables rather than from accumulators */ u8 useSortingIdx; /* In direct mode, reference the sorting index rather ** than the source table */ + u16 nSortingColumn; /* Number of columns in the sorting index */ int sortingIdx; /* Cursor number of the sorting index */ int sortingIdxPTab; /* Cursor number of pseudo-table */ - int nSortingColumn; /* Number of columns in the sorting index */ - int mnReg, mxReg; /* Range of registers allocated for aCol and aFunc */ + int iFirstReg; /* First register in range for aCol[] and aFunc[] */ ExprList *pGroupBy; /* The group by clause */ struct AggInfo_col { /* For each column used in source tables */ Table *pTab; /* Source table */ Expr *pCExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - int iMem; /* Memory location that acts as accumulator */ i16 iColumn; /* Column number within the source table */ i16 iSorterColumn; /* Column number in the sorting index */ } *aCol; @@ -17907,14 +18488,27 @@ struct AggInfo { struct AggInfo_func { /* For each aggregate function */ Expr *pFExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ - int iMem; /* Memory location that acts as accumulator */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ + int iDistAddr; /* Address of OP_OpenEphemeral */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ u32 selId; /* Select to which this AggInfo belongs */ - AggInfo *pNext; /* Next in list of them all */ +#ifdef SQLITE_DEBUG + Select *pSelect; /* SELECT statement that this AggInfo supports */ +#endif }; +/* +** Macros to compute aCol[] and aFunc[] register numbers. +** +** These macros should not be used prior to the call to +** assignAggregateRegisters() that computes the value of pAggInfo->iFirstReg. +** The assert()s that are part of this macro verify that constraint. +*/ +#define AggInfoColumnReg(A,I) (assert((A)->iFirstReg),(A)->iFirstReg+(I)) +#define AggInfoFuncReg(A,I) \ + (assert((A)->iFirstReg),(A)->iFirstReg+(A)->nColumn+(I)) + /* ** The datatype ynVar is a signed integer, either 16-bit or 32-bit. ** Usually it is 16-bits. But if SQLITE_MAX_VARIABLE_NUMBER is greater @@ -17942,10 +18536,10 @@ typedef int ynVar; ** tree. ** ** If the expression is an SQL literal (TK_INTEGER, TK_FLOAT, TK_BLOB, -** or TK_STRING), then Expr.token contains the text of the SQL literal. If -** the expression is a variable (TK_VARIABLE), then Expr.token contains the +** or TK_STRING), then Expr.u.zToken contains the text of the SQL literal. If +** the expression is a variable (TK_VARIABLE), then Expr.u.zToken contains the ** variable name. Finally, if the expression is an SQL function (TK_FUNCTION), -** then Expr.token contains the name of the function. +** then Expr.u.zToken contains the name of the function. ** ** Expr.pRight and Expr.pLeft are the left and right subexpressions of a ** binary operator. Either or both may be NULL. @@ -17985,7 +18579,7 @@ typedef int ynVar; ** help reduce memory requirements, sometimes an Expr object will be ** truncated. And to reduce the number of memory allocations, sometimes ** two or more Expr objects will be stored in a single memory allocation, -** together with Expr.zToken strings. +** together with Expr.u.zToken strings. ** ** If the EP_Reduced and EP_TokenOnly flags are set when ** an Expr object is truncated. When EP_Reduced is set, then all @@ -18034,14 +18628,17 @@ struct Expr { ** TK_REGISTER: register number ** TK_TRIGGER: 1 -> new, 0 -> old ** EP_Unlikely: 134217728 times likelihood - ** TK_IN: ephemerial table holding RHS + ** TK_IN: ephemeral table holding RHS ** TK_SELECT_COLUMN: Number of columns on the LHS ** TK_SELECT: 1st register of result vector */ ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid. ** TK_VARIABLE: variable number (always >= 1). ** TK_SELECT_COLUMN: column of the result vector */ i16 iAgg; /* Which entry in pAggInfo->aCol[] or ->aFunc[] */ - i16 iRightJoinTable; /* If EP_FromJoin, the right table of the join */ + union { + int iJoin; /* If EP_OuterON or EP_InnerON, the right table */ + int iOfst; /* else: start of token from start of statement */ + } w; AggInfo *pAggInfo; /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */ union { Table *pTab; /* TK_COLUMN: Table containing column. Can be NULL @@ -18054,36 +18651,35 @@ struct Expr { } y; }; -/* -** The following are the meanings of bits in the Expr.flags field. +/* The following are the meanings of bits in the Expr.flags field. ** Value restrictions: ** ** EP_Agg == NC_HasAgg == SF_HasAgg ** EP_Win == NC_HasWin */ -#define EP_FromJoin 0x000001 /* Originates in ON/USING clause of outer join */ -#define EP_Distinct 0x000002 /* Aggregate function with DISTINCT keyword */ -#define EP_HasFunc 0x000004 /* Contains one or more functions of any kind */ -#define EP_FixedCol 0x000008 /* TK_Column with a known fixed value */ +#define EP_OuterON 0x000001 /* Originates in ON/USING clause of outer join */ +#define EP_InnerON 0x000002 /* Originates in ON/USING of an inner join */ +#define EP_Distinct 0x000004 /* Aggregate function with DISTINCT keyword */ +#define EP_HasFunc 0x000008 /* Contains one or more functions of any kind */ #define EP_Agg 0x000010 /* Contains one or more aggregate functions */ -#define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */ -#define EP_DblQuoted 0x000040 /* token.z was originally in "..." */ -#define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */ -#define EP_Collate 0x000100 /* Tree contains a TK_COLLATE operator */ -#define EP_Commuted 0x000200 /* Comparison operator has been commuted */ -#define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ -#define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */ -#define EP_Skip 0x001000 /* Operator does not contribute to affinity */ -#define EP_Reduced 0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */ -#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ +#define EP_FixedCol 0x000020 /* TK_Column with a known fixed value */ +#define EP_VarSelect 0x000040 /* pSelect is correlated, not constant */ +#define EP_DblQuoted 0x000080 /* token.z was originally in "..." */ +#define EP_InfixFunc 0x000100 /* True for an infix function: LIKE, GLOB, etc */ +#define EP_Collate 0x000200 /* Tree contains a TK_COLLATE operator */ +#define EP_Commuted 0x000400 /* Comparison operator has been commuted */ +#define EP_IntValue 0x000800 /* Integer value contained in u.iValue */ +#define EP_xIsSelect 0x001000 /* x.pSelect is valid (otherwise x.pList is) */ +#define EP_Skip 0x002000 /* Operator does not contribute to affinity */ +#define EP_Reduced 0x004000 /* Expr struct EXPR_REDUCEDSIZE bytes only */ #define EP_Win 0x008000 /* Contains window functions */ -#define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ - /* 0x020000 // available for reuse */ -#define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ -#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ -#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ -#define EP_Subquery 0x200000 /* Tree contains a TK_SELECT operator */ -#define EP_Alias 0x400000 /* Is an alias for a result set column */ +#define EP_TokenOnly 0x010000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ + /* 0x020000 // Available for reuse */ +#define EP_IfNullRow 0x040000 /* The TK_IF_NULL_ROW opcode */ +#define EP_Unlikely 0x080000 /* unlikely() or likelihood() function */ +#define EP_ConstFunc 0x100000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ +#define EP_CanBeNull 0x200000 /* Can be null despite NOT NULL constraint */ +#define EP_Subquery 0x400000 /* Tree contains a TK_SELECT operator */ #define EP_Leaf 0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */ #define EP_WinFunc 0x1000000 /* TK_FUNCTION with Expr.y.pWin set */ #define EP_Subrtn 0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */ @@ -18094,23 +18690,33 @@ struct Expr { #define EP_FromDDL 0x40000000 /* Originates from sqlite_schema */ /* 0x80000000 // Available */ -/* -** The EP_Propagate mask is a set of properties that automatically propagate +/* The EP_Propagate mask is a set of properties that automatically propagate ** upwards into parent nodes. */ #define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc) -/* -** These macros can be used to test, set, or clear bits in the +/* Macros can be used to test, set, or clear bits in the ** Expr.flags field. */ #define ExprHasProperty(E,P) (((E)->flags&(P))!=0) #define ExprHasAllProperty(E,P) (((E)->flags&(P))==(P)) #define ExprSetProperty(E,P) (E)->flags|=(P) #define ExprClearProperty(E,P) (E)->flags&=~(P) -#define ExprAlwaysTrue(E) (((E)->flags&(EP_FromJoin|EP_IsTrue))==EP_IsTrue) -#define ExprAlwaysFalse(E) (((E)->flags&(EP_FromJoin|EP_IsFalse))==EP_IsFalse) - +#define ExprAlwaysTrue(E) (((E)->flags&(EP_OuterON|EP_IsTrue))==EP_IsTrue) +#define ExprAlwaysFalse(E) (((E)->flags&(EP_OuterON|EP_IsFalse))==EP_IsFalse) + +/* Macros used to ensure that the correct members of unions are accessed +** in Expr. +*/ +#define ExprUseUToken(E) (((E)->flags&EP_IntValue)==0) +#define ExprUseUValue(E) (((E)->flags&EP_IntValue)!=0) +#define ExprUseWOfst(E) (((E)->flags&(EP_InnerON|EP_OuterON))==0) +#define ExprUseWJoin(E) (((E)->flags&(EP_InnerON|EP_OuterON))!=0) +#define ExprUseXList(E) (((E)->flags&EP_xIsSelect)==0) +#define ExprUseXSelect(E) (((E)->flags&EP_xIsSelect)!=0) +#define ExprUseYTab(E) (((E)->flags&(EP_WinFunc|EP_Subrtn))==0) +#define ExprUseYWin(E) (((E)->flags&EP_WinFunc)!=0) +#define ExprUseYSub(E) (((E)->flags&EP_Subrtn)!=0) /* Flags for use with Expr.vvaFlags */ @@ -18182,21 +18788,29 @@ struct Expr { */ struct ExprList { int nExpr; /* Number of expressions on the list */ + int nAlloc; /* Number of a[] slots allocated */ struct ExprList_item { /* For each expression in the list */ Expr *pExpr; /* The parse tree for this expression */ char *zEName; /* Token associated with this expression */ - u8 sortFlags; /* Mask of KEYINFO_ORDER_* flags */ - unsigned eEName :2; /* Meaning of zEName */ - unsigned done :1; /* A flag to indicate when processing is finished */ - unsigned reusable :1; /* Constant expression is reusable */ - unsigned bSorterRef :1; /* Defer evaluation until after sorting */ - unsigned bNulls: 1; /* True if explicit "NULLS FIRST/LAST" */ + struct { + u8 sortFlags; /* Mask of KEYINFO_ORDER_* flags */ + unsigned eEName :2; /* Meaning of zEName */ + unsigned done :1; /* Indicates when processing is finished */ + unsigned reusable :1; /* Constant expression is reusable */ + unsigned bSorterRef :1; /* Defer evaluation until after sorting */ + unsigned bNulls :1; /* True if explicit "NULLS FIRST/LAST" */ + unsigned bUsed :1; /* This column used in a SF_NestedFrom subquery */ + unsigned bUsingTerm:1; /* Term from the USING clause of a NestedFrom */ + unsigned bNoExpand: 1; /* Term is an auxiliary in NestedFrom and should + ** not be expanded by "*" in parent queries */ + } fg; union { - struct { + struct { /* Used by any ExprList other than Parse.pConsExpr */ u16 iOrderByCol; /* For ORDER BY, column number in result set */ u16 iAlias; /* Index into Parse.aAlias[] for zName */ } x; - int iConstExprReg; /* Register in which Expr value is cached */ + int iConstExprReg; /* Register in which Expr value is cached. Used only + ** by Parse.pConstExpr */ } u; } a[1]; /* One slot for each expression in the list */ }; @@ -18224,23 +18838,28 @@ struct ExprList { ** If "a" is the k-th column of table "t", then IdList.a[0].idx==k. */ struct IdList { + int nId; /* Number of identifiers on the list */ + u8 eU4; /* Which element of a.u4 is valid */ struct IdList_item { char *zName; /* Name of the identifier */ - int idx; /* Index in some Table.aCol[] of a column named zName */ - } *a; - int nId; /* Number of identifiers on the list */ + union { + int idx; /* Index in some Table.aCol[] of a column named zName */ + Expr *pExpr; /* Expr to implement a USING variable -- NOT USED */ + } u4; + } a[1]; }; /* -** The following structure describes the FROM clause of a SELECT statement. -** Each table or subquery in the FROM clause is a separate element of -** the SrcList.a[] array. -** -** With the addition of multiple database support, the following structure -** can also be used to describe a particular table such as the table that -** is modified by an INSERT, DELETE, or UPDATE statement. In standard SQL, -** such a table must be a simple name: ID. But in SQLite, the table can -** now be identified by a database name, a dot, then the table name: ID.ID. +** Allowed values for IdList.eType, which determines which value of the a.u4 +** is valid. +*/ +#define EU4_NONE 0 /* Does not use IdList.a.u4 */ +#define EU4_IDX 1 /* Uses IdList.a.u4.idx */ +#define EU4_EXPR 2 /* Uses IdList.a.u4.pExpr -- NOT CURRENTLY USED */ + +/* +** The SrcItem object represents a single term in the FROM clause of a query. +** The SrcList object is mostly an array of SrcItems. ** ** The jointype starts out showing the join type between the current table ** and the next table on the list. The parser builds the list this way. @@ -18249,53 +18868,91 @@ struct IdList { ** ** In the colUsed field, the high-order bit (bit 63) is set if the table ** contains more than 63 columns and the 64-th or later column is used. +** +** Union member validity: +** +** u1.zIndexedBy fg.isIndexedBy && !fg.isTabFunc +** u1.pFuncArg fg.isTabFunc && !fg.isIndexedBy +** u2.pIBIndex fg.isIndexedBy && !fg.isCte +** u2.pCteUse fg.isCte && !fg.isIndexedBy +*/ +struct SrcItem { + Schema *pSchema; /* Schema to which this item is fixed */ + char *zDatabase; /* Name of database holding this table */ + char *zName; /* Name of the table */ + char *zAlias; /* The "B" part of a "A AS B" phrase. zName is the "A" */ + Table *pTab; /* An SQL table corresponding to zName */ + Select *pSelect; /* A SELECT statement used in place of a table name */ + int addrFillSub; /* Address of subroutine to manifest a subquery */ + int regReturn; /* Register holding return address of addrFillSub */ + int regResult; /* Registers holding results of a co-routine */ + struct { + u8 jointype; /* Type of join between this table and the previous */ + unsigned notIndexed :1; /* True if there is a NOT INDEXED clause */ + unsigned isIndexedBy :1; /* True if there is an INDEXED BY clause */ + unsigned isTabFunc :1; /* True if table-valued-function syntax */ + unsigned isCorrelated :1; /* True if sub-query is correlated */ + unsigned isMaterialized:1; /* This is a materialized view */ + unsigned viaCoroutine :1; /* Implemented as a co-routine */ + unsigned isRecursive :1; /* True for recursive reference in WITH */ + unsigned fromDDL :1; /* Comes from sqlite_schema */ + unsigned isCte :1; /* This is a CTE */ + unsigned notCte :1; /* This item may not match a CTE */ + unsigned isUsing :1; /* u3.pUsing is valid */ + unsigned isOn :1; /* u3.pOn was once valid and non-NULL */ + unsigned isSynthUsing :1; /* u3.pUsing is synthesized from NATURAL */ + unsigned isNestedFrom :1; /* pSelect is a SF_NestedFrom subquery */ + } fg; + int iCursor; /* The VDBE cursor number used to access this table */ + union { + Expr *pOn; /* fg.isUsing==0 => The ON clause of a join */ + IdList *pUsing; /* fg.isUsing==1 => The USING clause of a join */ + } u3; + Bitmask colUsed; /* Bit N set if column N used. Details above for N>62 */ + union { + char *zIndexedBy; /* Identifier from "INDEXED BY " clause */ + ExprList *pFuncArg; /* Arguments to table-valued-function */ + } u1; + union { + Index *pIBIndex; /* Index structure corresponding to u1.zIndexedBy */ + CteUse *pCteUse; /* CTE Usage info when fg.isCte is true */ + } u2; +}; + +/* +** The OnOrUsing object represents either an ON clause or a USING clause. +** It can never be both at the same time, but it can be neither. +*/ +struct OnOrUsing { + Expr *pOn; /* The ON clause of a join */ + IdList *pUsing; /* The USING clause of a join */ +}; + +/* +** This object represents one or more tables that are the source of +** content for an SQL statement. For example, a single SrcList object +** is used to hold the FROM clause of a SELECT statement. SrcList also +** represents the target tables for DELETE, INSERT, and UPDATE statements. +** */ struct SrcList { int nSrc; /* Number of tables or subqueries in the FROM clause */ u32 nAlloc; /* Number of entries allocated in a[] below */ - struct SrcList_item { - Schema *pSchema; /* Schema to which this item is fixed */ - char *zDatabase; /* Name of database holding this table */ - char *zName; /* Name of the table */ - char *zAlias; /* The "B" part of a "A AS B" phrase. zName is the "A" */ - Table *pTab; /* An SQL table corresponding to zName */ - Select *pSelect; /* A SELECT statement used in place of a table name */ - int addrFillSub; /* Address of subroutine to manifest a subquery */ - int regReturn; /* Register holding return address of addrFillSub */ - int regResult; /* Registers holding results of a co-routine */ - struct { - u8 jointype; /* Type of join between this table and the previous */ - unsigned notIndexed :1; /* True if there is a NOT INDEXED clause */ - unsigned isIndexedBy :1; /* True if there is an INDEXED BY clause */ - unsigned isTabFunc :1; /* True if table-valued-function syntax */ - unsigned isCorrelated :1; /* True if sub-query is correlated */ - unsigned viaCoroutine :1; /* Implemented as a co-routine */ - unsigned isRecursive :1; /* True for recursive reference in WITH */ - unsigned fromDDL :1; /* Comes from sqlite_schema */ - } fg; - int iCursor; /* The VDBE cursor number used to access this table */ - Expr *pOn; /* The ON clause of a join */ - IdList *pUsing; /* The USING clause of a join */ - Bitmask colUsed; /* Bit N (1<" clause */ - ExprList *pFuncArg; /* Arguments to table-valued-function */ - } u1; - Index *pIBIndex; /* Index structure corresponding to u1.zIndexedBy */ - } a[1]; /* One entry for each identifier on the list */ + SrcItem a[1]; /* One entry for each identifier on the list */ }; /* ** Permitted values of the SrcList.a.jointype field */ -#define JT_INNER 0x0001 /* Any kind of inner or cross join */ -#define JT_CROSS 0x0002 /* Explicit use of the CROSS keyword */ -#define JT_NATURAL 0x0004 /* True for a "natural" join */ -#define JT_LEFT 0x0008 /* Left outer join */ -#define JT_RIGHT 0x0010 /* Right outer join */ -#define JT_OUTER 0x0020 /* The "OUTER" keyword is present */ -#define JT_ERROR 0x0040 /* unknown or unsupported join type */ - +#define JT_INNER 0x01 /* Any kind of inner or cross join */ +#define JT_CROSS 0x02 /* Explicit use of the CROSS keyword */ +#define JT_NATURAL 0x04 /* True for a "natural" join */ +#define JT_LEFT 0x08 /* Left outer join */ +#define JT_RIGHT 0x10 /* Right outer join */ +#define JT_OUTER 0x20 /* The "OUTER" keyword is present */ +#define JT_LTORJ 0x40 /* One of the LEFT operands of a RIGHT JOIN + ** Mnemonic: Left Table Of Right Join */ +#define JT_ERROR 0x80 /* unknown or unsupported join type */ /* ** Flags appropriate for the wctrlFlags parameter of sqlite3WhereBegin() @@ -18316,9 +18973,9 @@ struct SrcList { #define WHERE_DISTINCTBY 0x0080 /* pOrderby is really a DISTINCT clause */ #define WHERE_WANT_DISTINCT 0x0100 /* All output needs to be distinct */ #define WHERE_SORTBYGROUP 0x0200 /* Support sqlite3WhereIsSorted() */ -#define WHERE_SEEK_TABLE 0x0400 /* Do not defer seeks on main table */ +#define WHERE_AGG_DISTINCT 0x0400 /* Query is "SELECT agg(DISTINCT ...)" */ #define WHERE_ORDERBY_LIMIT 0x0800 /* ORDERBY+LIMIT on the inner loop */ -#define WHERE_SEEK_UNIQ_TABLE 0x1000 /* Do not defer seeks if unique */ +#define WHERE_RIGHT_JOIN 0x1000 /* Processing a RIGHT JOIN */ /* 0x2000 not currently used */ #define WHERE_USE_LIMIT 0x4000 /* Use the LIMIT in cost estimates */ /* 0x8000 not currently used */ @@ -18358,10 +19015,11 @@ struct NameContext { ExprList *pEList; /* Optional list of result-set columns */ AggInfo *pAggInfo; /* Information about aggregates at this level */ Upsert *pUpsert; /* ON CONFLICT clause information from an upsert */ + int iBaseReg; /* For TK_REGISTER when parsing RETURNING */ } uNC; NameContext *pNext; /* Next outer name context. NULL for outermost */ int nRef; /* Number of names resolved by this context */ - int nErr; /* Number of errors encountered while resolving names */ + int nNcErr; /* Number of errors encountered while resolving names */ int ncFlags; /* Zero or more NC_* flags defined below */ Select *pWinSelect; /* SELECT statement for any window functions */ }; @@ -18370,29 +19028,33 @@ struct NameContext { ** Allowed values for the NameContext, ncFlags field. ** ** Value constraints (all checked via assert()): -** NC_HasAgg == SF_HasAgg == EP_Agg -** NC_MinMaxAgg == SF_MinMaxAgg == SQLITE_FUNC_MINMAX +** NC_HasAgg == SF_HasAgg == EP_Agg +** NC_MinMaxAgg == SF_MinMaxAgg == SQLITE_FUNC_MINMAX +** NC_OrderAgg == SF_OrderByReqd == SQLITE_FUNC_ANYORDER ** NC_HasWin == EP_Win ** */ -#define NC_AllowAgg 0x00001 /* Aggregate functions are allowed here */ -#define NC_PartIdx 0x00002 /* True if resolving a partial index WHERE */ -#define NC_IsCheck 0x00004 /* True if resolving a CHECK constraint */ -#define NC_GenCol 0x00008 /* True for a GENERATED ALWAYS AS clause */ -#define NC_HasAgg 0x00010 /* One or more aggregate functions seen */ -#define NC_IdxExpr 0x00020 /* True if resolving columns of CREATE INDEX */ -#define NC_SelfRef 0x0002e /* Combo: PartIdx, isCheck, GenCol, and IdxExpr */ -#define NC_VarSelect 0x00040 /* A correlated subquery has been seen */ -#define NC_UEList 0x00080 /* True if uNC.pEList is used */ -#define NC_UAggInfo 0x00100 /* True if uNC.pAggInfo is used */ -#define NC_UUpsert 0x00200 /* True if uNC.pUpsert is used */ -#define NC_MinMaxAgg 0x01000 /* min/max aggregates seen. See note above */ -#define NC_Complex 0x02000 /* True if a function or subquery seen */ -#define NC_AllowWin 0x04000 /* Window functions are allowed here */ -#define NC_HasWin 0x08000 /* One or more window functions seen */ -#define NC_IsDDL 0x10000 /* Resolving names in a CREATE statement */ -#define NC_InAggFunc 0x20000 /* True if analyzing arguments to an agg func */ -#define NC_FromDDL 0x40000 /* SQL text comes from sqlite_schema */ +#define NC_AllowAgg 0x000001 /* Aggregate functions are allowed here */ +#define NC_PartIdx 0x000002 /* True if resolving a partial index WHERE */ +#define NC_IsCheck 0x000004 /* True if resolving a CHECK constraint */ +#define NC_GenCol 0x000008 /* True for a GENERATED ALWAYS AS clause */ +#define NC_HasAgg 0x000010 /* One or more aggregate functions seen */ +#define NC_IdxExpr 0x000020 /* True if resolving columns of CREATE INDEX */ +#define NC_SelfRef 0x00002e /* Combo: PartIdx, isCheck, GenCol, and IdxExpr */ +#define NC_Subquery 0x000040 /* A subquery has been seen */ +#define NC_UEList 0x000080 /* True if uNC.pEList is used */ +#define NC_UAggInfo 0x000100 /* True if uNC.pAggInfo is used */ +#define NC_UUpsert 0x000200 /* True if uNC.pUpsert is used */ +#define NC_UBaseReg 0x000400 /* True if uNC.iBaseReg is used */ +#define NC_MinMaxAgg 0x001000 /* min/max aggregates seen. See note above */ +#define NC_Complex 0x002000 /* True if a function or subquery seen */ +#define NC_AllowWin 0x004000 /* Window functions are allowed here */ +#define NC_HasWin 0x008000 /* One or more window functions seen */ +#define NC_IsDDL 0x010000 /* Resolving names in a CREATE statement */ +#define NC_InAggFunc 0x020000 /* True if analyzing arguments to an agg func */ +#define NC_FromDDL 0x040000 /* SQL text comes from sqlite_schema */ +#define NC_NoSelect 0x080000 /* Do not descend into sub-selects */ +#define NC_OrderAgg 0x8000000 /* Has an aggregate other than count/min/max */ /* ** An instance of the following object describes a single ON CONFLICT @@ -18409,15 +19071,21 @@ struct NameContext { ** WHERE clause is omitted. */ struct Upsert { - ExprList *pUpsertTarget; /* Optional description of conflicting index */ + ExprList *pUpsertTarget; /* Optional description of conflict target */ Expr *pUpsertTargetWhere; /* WHERE clause for partial index targets */ ExprList *pUpsertSet; /* The SET clause from an ON CONFLICT UPDATE */ Expr *pUpsertWhere; /* WHERE clause for the ON CONFLICT UPDATE */ - /* The fields above comprise the parse tree for the upsert clause. - ** The fields below are used to transfer information from the INSERT - ** processing down into the UPDATE processing while generating code. - ** Upsert owns the memory allocated above, but not the memory below. */ - Index *pUpsertIdx; /* Constraint that pUpsertTarget identifies */ + Upsert *pNextUpsert; /* Next ON CONFLICT clause in the list */ + u8 isDoUpdate; /* True for DO UPDATE. False for DO NOTHING */ + /* Above this point is the parse tree for the ON CONFLICT clauses. + ** The next group of fields stores intermediate data. */ + void *pToFree; /* Free memory when deleting the Upsert object */ + /* All fields above are owned by the Upsert object and must be freed + ** when the Upsert is destroyed. The fields below are used to transfer + ** information from the INSERT processing down into the UPDATE processing + ** while generating code. The fields below are owned by the INSERT + ** statement and will be freed by INSERT processing. */ + Index *pUpsertIdx; /* UNIQUE constraint specified by pUpsertTarget */ SrcList *pUpsertSrc; /* Table to be updated */ int regData; /* First register holding array of VALUES */ int iDataCur; /* Index of the data cursor */ @@ -18469,9 +19137,10 @@ struct Select { ** "Select Flag". ** ** Value constraints (all checked via assert()) -** SF_HasAgg == NC_HasAgg -** SF_MinMaxAgg == NC_MinMaxAgg == SQLITE_FUNC_MINMAX -** SF_FixedLimit == WHERE_USE_LIMIT +** SF_HasAgg == NC_HasAgg +** SF_MinMaxAgg == NC_MinMaxAgg == SQLITE_FUNC_MINMAX +** SF_OrderByReqd == NC_OrderAgg == SQLITE_FUNC_ANYORDER +** SF_FixedLimit == WHERE_USE_LIMIT */ #define SF_Distinct 0x0000001 /* Output should be DISTINCT */ #define SF_All 0x0000002 /* Includes the ALL keyword */ @@ -18496,7 +19165,15 @@ struct Select { #define SF_WinRewrite 0x0100000 /* Window function rewrite accomplished */ #define SF_View 0x0200000 /* SELECT statement is a view */ #define SF_NoopOrderBy 0x0400000 /* ORDER BY is ignored for this query */ -#define SF_UpdateFrom 0x0800000 /* Statement is an UPDATE...FROM */ +#define SF_UFSrcCheck 0x0800000 /* Check pSrc as required by UPDATE...FROM */ +#define SF_PushDown 0x1000000 /* SELECT has be modified by push-down opt */ +#define SF_MultiPart 0x2000000 /* Has multiple incompatible PARTITIONs */ +#define SF_CopyCte 0x4000000 /* SELECT statement is a copy of a CTE */ +#define SF_OrderByReqd 0x8000000 /* The ORDER BY clause may not be omitted */ +#define SF_UpdateFrom 0x10000000 /* Query originates with UPDATE FROM */ + +/* True if S exists and has SF_NestedFrom */ +#define IsNestedFrom(S) ((S)!=0 && ((S)->selFlags&SF_NestedFrom)!=0) /* ** The results of a SELECT can be distributed in several ways, as defined @@ -18515,9 +19192,6 @@ struct Select { ** statements within triggers whose only purpose is ** the side-effects of functions. ** -** All of the above are free to ignore their ORDER BY clause. Those that -** follow must honor the ORDER BY clause. -** ** SRT_Output Generate a row of output (using the OP_ResultRow ** opcode) for each row in the result set. ** @@ -18574,13 +19248,18 @@ struct Select { #define SRT_Except 2 /* Remove result from a UNION index */ #define SRT_Exists 3 /* Store 1 if the result is not empty */ #define SRT_Discard 4 /* Do not save the results anywhere */ -#define SRT_Fifo 5 /* Store result as data with an automatic rowid */ -#define SRT_DistFifo 6 /* Like SRT_Fifo, but unique results only */ +#define SRT_DistFifo 5 /* Like SRT_Fifo, but unique results only */ +#define SRT_DistQueue 6 /* Like SRT_Queue, but unique results only */ + +/* The DISTINCT clause is ignored for all of the above. Not that +** IgnorableDistinct() implies IgnorableOrderby() */ +#define IgnorableDistinct(X) ((X->eDest)<=SRT_DistQueue) + #define SRT_Queue 7 /* Store result in an queue */ -#define SRT_DistQueue 8 /* Like SRT_Queue, but unique results only */ +#define SRT_Fifo 8 /* Store result as data with an automatic rowid */ /* The ORDER BY clause is ignored for all of the above */ -#define IgnorableOrderby(X) ((X->eDest)<=SRT_DistQueue) +#define IgnorableOrderby(X) ((X->eDest)<=SRT_Fifo) #define SRT_Output 9 /* Output each row of result */ #define SRT_Mem 10 /* Store result in a memory cell */ @@ -18600,7 +19279,7 @@ struct SelectDest { int iSDParm2; /* A second parameter for the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ - char *zAffSdst; /* Affinity used when eDest==SRT_Set */ + char *zAffSdst; /* Affinity used for SRT_Set */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; @@ -18659,11 +19338,45 @@ struct TriggerPrg { #else typedef unsigned int yDbMask; # define DbMaskTest(M,I) (((M)&(((yDbMask)1)<<(I)))!=0) -# define DbMaskZero(M) (M)=0 -# define DbMaskSet(M,I) (M)|=(((yDbMask)1)<<(I)) -# define DbMaskAllZero(M) (M)==0 -# define DbMaskNonZero(M) (M)!=0 +# define DbMaskZero(M) ((M)=0) +# define DbMaskSet(M,I) ((M)|=(((yDbMask)1)<<(I))) +# define DbMaskAllZero(M) ((M)==0) +# define DbMaskNonZero(M) ((M)!=0) +#endif + +/* +** For each index X that has as one of its arguments either an expression +** or the name of a virtual generated column, and if X is in scope such that +** the value of the expression can simply be read from the index, then +** there is an instance of this object on the Parse.pIdxExpr list. +** +** During code generation, while generating code to evaluate expressions, +** this list is consulted and if a matching expression is found, the value +** is read from the index rather than being recomputed. +*/ +struct IndexedExpr { + Expr *pExpr; /* The expression contained in the index */ + int iDataCur; /* The data cursor associated with the index */ + int iIdxCur; /* The index cursor */ + int iIdxCol; /* The index column that contains value of pExpr */ + u8 bMaybeNullRow; /* True if we need an OP_IfNullRow check */ + u8 aff; /* Affinity of the pExpr expression */ + IndexedExpr *pIENext; /* Next in a list of all indexed expressions */ +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + const char *zIdxName; /* Name of index, used only for bytecode comments */ #endif +}; + +/* +** An instance of the ParseCleanup object specifies an operation that +** should be performed after parsing to deallocation resources obtained +** during the parse and which are no longer needed. +*/ +struct ParseCleanup { + ParseCleanup *pNext; /* Next cleanup task */ + void *pPtr; /* Pointer to object to deallocate */ + void (*xCleanup)(sqlite3*,void*); /* Deallocation routine */ +}; /* ** An SQL parser context. A copy of this structure is passed through @@ -18695,7 +19408,14 @@ struct Parse { u8 hasCompound; /* Need to invoke convertCompoundSelectToSubquery() */ u8 okConstFactor; /* OK to factor out constants */ u8 disableLookaside; /* Number of times lookaside has been disabled */ - u8 disableVtab; /* Disable all virtual tables for this parse */ + u8 prepFlags; /* SQLITE_PREPARE_* flags */ + u8 withinRJSubrtn; /* Nesting level for RIGHT JOIN body subroutines */ +#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) + u8 earlyCleanup; /* OOM inside sqlite3ParserAddCleanup() */ +#endif +#ifdef SQLITE_DEBUG + u8 ifNotExists; /* Might be true if IF NOT EXISTS. Assert()s only */ +#endif int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ @@ -18708,6 +19428,7 @@ struct Parse { int nLabelAlloc; /* Number of slots in aLabel */ int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ + IndexedExpr *pIdxEpr;/* List of expressions used by active indexes */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ yDbMask cookieMask; /* Bitmask of schema verified databases */ @@ -18715,6 +19436,9 @@ struct Parse { int regRoot; /* Register holding root page number for new objects */ int nMaxArg; /* Max args passed to user function by sub-program */ int nSelect; /* Number of SELECT stmts. Counter for Select.selId */ +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ +#endif #ifndef SQLITE_OMIT_SHARED_CACHE int nTableLock; /* Number of locks in aTableLock */ TableLock *aTableLock; /* Required table locks for shared-cache mode */ @@ -18722,13 +19446,17 @@ struct Parse { AutoincInfo *pAinc; /* Information about AUTOINCREMENT counters */ Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ - Parse *pParentParse; /* Parent parser if this parser is nested */ - AggInfo *pAggList; /* List of all AggInfo objects */ - int addrCrTab; /* Address of OP_CreateBtree opcode on CREATE TABLE */ - u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ + TriggerPrg *pTriggerPrg; /* Linked list of coded triggers */ + ParseCleanup *pCleanup; /* List of cleanup operations to run after parse */ + union { + int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */ + Returning *pReturning; /* The RETURNING clause */ + } u1; u32 oldmask; /* Mask of old.* columns referenced */ u32 newmask; /* Mask of new.* columns referenced */ + LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ + u8 bReturning; /* Coding a RETURNING trigger */ u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ u8 disableTriggers; /* True to disable triggers */ @@ -18740,6 +19468,7 @@ struct Parse { **************************************************************************/ int aTempReg[8]; /* Holding area for temporary registers */ + Parse *pOuterParse; /* Outer Parse object when nested */ Token sNameToken; /* Token with unqualified schema object name */ /************************************************************************ @@ -18774,15 +19503,14 @@ struct Parse { Token sArg; /* Complete text of a module argument */ Table **apVtabLock; /* Pointer to virtual tables needing locking */ #endif - Table *pZombieTab; /* List of Table objects to delete after code gen */ - TriggerPrg *pTriggerPrg; /* Linked list of coded triggers */ With *pWith; /* Current WITH clause, or NULL */ - With *pWithToFree; /* Free this WITH object at the end of the parse */ #ifndef SQLITE_OMIT_ALTERTABLE RenameToken *pRename; /* Tokens subject to renaming by ALTER TABLE */ #endif }; +/* Allowed values for Parse.eParseMode +*/ #define PARSE_MODE_NORMAL 0 #define PARSE_MODE_DECLARE_VTAB 1 #define PARSE_MODE_RENAME 2 @@ -18791,7 +19519,8 @@ struct Parse { /* ** Sizes and pointers of various parts of the Parse object. */ -#define PARSE_HDR_SZ offsetof(Parse,aTempReg) /* Recursive part w/o aColCache*/ +#define PARSE_HDR(X) (((char*)(X))+offsetof(Parse,zErrMsg)) +#define PARSE_HDR_SZ (offsetof(Parse,aTempReg)-offsetof(Parse,zErrMsg)) /* Recursive part w/o aColCache*/ #define PARSE_RECURSE_SZ offsetof(Parse,sLastToken) /* Recursive part */ #define PARSE_TAIL_SZ (sizeof(Parse)-PARSE_RECURSE_SZ) /* Non-recursive part */ #define PARSE_TAIL(X) (((char*)(X))+PARSE_RECURSE_SZ) /* Pointer to tail */ @@ -18849,6 +19578,7 @@ struct AuthContext { #define OPFLAG_ISNOOP 0x40 /* OP_Delete does pre-update-hook only */ #define OPFLAG_LENGTHARG 0x40 /* OP_Column only used for length() */ #define OPFLAG_TYPEOFARG 0x80 /* OP_Column only used for typeof() */ +#define OPFLAG_BYTELENARG 0xc0 /* OP_Column only for octet_length() */ #define OPFLAG_BULKCSR 0x01 /* OP_Open** used to open bulk cursor */ #define OPFLAG_SEEKEQ 0x02 /* OP_Open** cursor uses EQ seek only */ #define OPFLAG_FORDELETE 0x08 /* OP_Open should use BTREE_FORDELETE */ @@ -18857,27 +19587,29 @@ struct AuthContext { #define OPFLAG_SAVEPOSITION 0x02 /* OP_Delete/Insert: save cursor pos */ #define OPFLAG_AUXDELETE 0x04 /* OP_Delete: index in a DELETE op */ #define OPFLAG_NOCHNG_MAGIC 0x6d /* OP_MakeRecord: serialtype 10 is ok */ +#define OPFLAG_PREFORMAT 0x80 /* OP_Insert uses preformatted cell */ /* - * Each trigger present in the database schema is stored as an instance of - * struct Trigger. - * - * Pointers to instances of struct Trigger are stored in two ways. - * 1. In the "trigHash" hash table (part of the sqlite3* that represents the - * database). This allows Trigger structures to be retrieved by name. - * 2. All triggers associated with a single table form a linked list, using the - * pNext member of struct Trigger. A pointer to the first element of the - * linked list is stored as the "pTrigger" member of the associated - * struct Table. - * - * The "step_list" member points to the first element of a linked list - * containing the SQL statements specified as the trigger program. - */ +** Each trigger present in the database schema is stored as an instance of +** struct Trigger. +** +** Pointers to instances of struct Trigger are stored in two ways. +** 1. In the "trigHash" hash table (part of the sqlite3* that represents the +** database). This allows Trigger structures to be retrieved by name. +** 2. All triggers associated with a single table form a linked list, using the +** pNext member of struct Trigger. A pointer to the first element of the +** linked list is stored as the "pTrigger" member of the associated +** struct Table. +** +** The "step_list" member points to the first element of a linked list +** containing the SQL statements specified as the trigger program. +*/ struct Trigger { char *zName; /* The name of the trigger */ char *table; /* The table or view to which the trigger applies */ u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT */ u8 tr_tm; /* One of TRIGGER_BEFORE, TRIGGER_AFTER */ + u8 bReturning; /* This trigger implements a RETURNING clause */ Expr *pWhen; /* The WHEN clause of the expression (may be NULL) */ IdList *pColumns; /* If this is an UPDATE OF trigger, the is stored here */ @@ -18898,52 +19630,58 @@ struct Trigger { #define TRIGGER_AFTER 2 /* - * An instance of struct TriggerStep is used to store a single SQL statement - * that is a part of a trigger-program. - * - * Instances of struct TriggerStep are stored in a singly linked list (linked - * using the "pNext" member) referenced by the "step_list" member of the - * associated struct Trigger instance. The first element of the linked list is - * the first step of the trigger-program. - * - * The "op" member indicates whether this is a "DELETE", "INSERT", "UPDATE" or - * "SELECT" statement. The meanings of the other members is determined by the - * value of "op" as follows: - * - * (op == TK_INSERT) - * orconf -> stores the ON CONFLICT algorithm - * pSelect -> If this is an INSERT INTO ... SELECT ... statement, then - * this stores a pointer to the SELECT statement. Otherwise NULL. - * zTarget -> Dequoted name of the table to insert into. - * pExprList -> If this is an INSERT INTO ... VALUES ... statement, then - * this stores values to be inserted. Otherwise NULL. - * pIdList -> If this is an INSERT INTO ... () VALUES ... - * statement, then this stores the column-names to be - * inserted into. - * - * (op == TK_DELETE) - * zTarget -> Dequoted name of the table to delete from. - * pWhere -> The WHERE clause of the DELETE statement if one is specified. - * Otherwise NULL. - * - * (op == TK_UPDATE) - * zTarget -> Dequoted name of the table to update. - * pWhere -> The WHERE clause of the UPDATE statement if one is specified. - * Otherwise NULL. - * pExprList -> A list of the columns to update and the expressions to update - * them to. See sqlite3Update() documentation of "pChanges" - * argument. - * - */ +** An instance of struct TriggerStep is used to store a single SQL statement +** that is a part of a trigger-program. +** +** Instances of struct TriggerStep are stored in a singly linked list (linked +** using the "pNext" member) referenced by the "step_list" member of the +** associated struct Trigger instance. The first element of the linked list is +** the first step of the trigger-program. +** +** The "op" member indicates whether this is a "DELETE", "INSERT", "UPDATE" or +** "SELECT" statement. The meanings of the other members is determined by the +** value of "op" as follows: +** +** (op == TK_INSERT) +** orconf -> stores the ON CONFLICT algorithm +** pSelect -> The content to be inserted - either a SELECT statement or +** a VALUES clause. +** zTarget -> Dequoted name of the table to insert into. +** pIdList -> If this is an INSERT INTO ... () VALUES ... +** statement, then this stores the column-names to be +** inserted into. +** pUpsert -> The ON CONFLICT clauses for an Upsert +** +** (op == TK_DELETE) +** zTarget -> Dequoted name of the table to delete from. +** pWhere -> The WHERE clause of the DELETE statement if one is specified. +** Otherwise NULL. +** +** (op == TK_UPDATE) +** zTarget -> Dequoted name of the table to update. +** pWhere -> The WHERE clause of the UPDATE statement if one is specified. +** Otherwise NULL. +** pExprList -> A list of the columns to update and the expressions to update +** them to. See sqlite3Update() documentation of "pChanges" +** argument. +** +** (op == TK_SELECT) +** pSelect -> The SELECT statement +** +** (op == TK_RETURNING) +** pExprList -> The list of expressions that follow the RETURNING keyword. +** +*/ struct TriggerStep { - u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */ + u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT, + ** or TK_RETURNING */ u8 orconf; /* OE_Rollback etc. */ Trigger *pTrig; /* The trigger that this step is a part of */ Select *pSelect; /* SELECT statement or RHS of INSERT INTO SELECT ... */ char *zTarget; /* Target table for DELETE, UPDATE, INSERT */ SrcList *pFrom; /* FROM clause for UPDATE statement (if any) */ Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */ - ExprList *pExprList; /* SET clause for UPDATE */ + ExprList *pExprList; /* SET clause for UPDATE, or RETURNING clause */ IdList *pIdList; /* Column names for INSERT */ Upsert *pUpsert; /* Upsert clauses on an INSERT */ char *zSpan; /* Original SQL text of this command */ @@ -18952,18 +19690,16 @@ struct TriggerStep { }; /* -** The following structure contains information used by the sqliteFix... -** routines as they walk the parse tree to make database references -** explicit. +** Information about a RETURNING clause */ -typedef struct DbFixer DbFixer; -struct DbFixer { - Parse *pParse; /* The parsing context. Error messages written here */ - Schema *pSchema; /* Fix items to this schema */ - u8 bTemp; /* True for TEMP schema entries */ - const char *zDb; /* Make sure all objects are contained in this database */ - const char *zType; /* Type of the container - used for error messages */ - const Token *pName; /* Name of the container - used for error messages */ +struct Returning { + Parse *pParse; /* The parse that includes the RETURNING clause */ + ExprList *pReturnEL; /* List of expressions to return */ + Trigger retTrig; /* The transient trigger that implements RETURNING */ + TriggerStep retTStep; /* The trigger step */ + int iRetCur; /* Transient table holding RETURNING results */ + int nRetCol; /* Number of in pReturnEL after expansion */ + int iRetReg; /* Register array for holding a row of RETURNING */ }; /* @@ -18985,6 +19721,25 @@ struct sqlite3_str { #define isMalloced(X) (((X)->printfFlags & SQLITE_PRINTF_MALLOCED)!=0) +/* +** The following object is the header for an "RCStr" or "reference-counted +** string". An RCStr is passed around and used like any other char* +** that has been dynamically allocated. The important interface +** differences: +** +** 1. RCStr strings are reference counted. They are deallocated +** when the reference count reaches zero. +** +** 2. Use sqlite3RCStrUnref() to free an RCStr string rather than +** sqlite3_free() +** +** 3. Make a (read-only) copy of a read-only RCStr string using +** sqlite3RCStrRef(). +*/ +struct RCStr { + u64 nRCRef; /* Number of references */ + /* Total structure size should be a multiple of 8 bytes for alignment */ +}; /* ** A pointer to this structure is used to communicate information @@ -19003,7 +19758,26 @@ typedef struct { /* ** Allowed values for mInitFlags */ -#define INITFLAG_AlterTable 0x0001 /* This is a reparse after ALTER TABLE */ +#define INITFLAG_AlterMask 0x0003 /* Types of ALTER */ +#define INITFLAG_AlterRename 0x0001 /* Reparse after a RENAME */ +#define INITFLAG_AlterDrop 0x0002 /* Reparse after a DROP COLUMN */ +#define INITFLAG_AlterAdd 0x0003 /* Reparse after an ADD COLUMN */ + +/* Tuning parameters are set using SQLITE_TESTCTRL_TUNE and are controlled +** on debug-builds of the CLI using ".testctrl tune ID VALUE". Tuning +** parameters are for temporary use during development, to help find +** optimal values for parameters in the query planner. The should not +** be used on trunk check-ins. They are a temporary mechanism available +** for transient development builds only. +** +** Tuning parameters are numbered starting with 1. +*/ +#define SQLITE_NTUNE 6 /* Should be zero for all trunk check-ins */ +#ifdef SQLITE_DEBUG +# define Tuning(X) (sqlite3Config.aTune[(X)-1]) +#else +# define Tuning(X) 0 +#endif /* ** Structure containing global configuration data for the SQLite library. @@ -19018,6 +19792,7 @@ struct Sqlite3Config { u8 bUseCis; /* Use covering indices for full-scans */ u8 bSmallMalloc; /* Avoid large memory allocations if true */ u8 bExtraSchemaChecks; /* Verify type,name,tbl_name in schema */ + u8 bUseLongDouble; /* Make use of long double */ int mxStrlen; /* Maximum string length */ int neverCorrupt; /* Database is always well-formed */ int szLookaside; /* Default lookaside buffer size */ @@ -19059,16 +19834,21 @@ struct Sqlite3Config { void (*xVdbeBranch)(void*,unsigned iSrcLine,u8 eThis,u8 eMx); /* Callback */ void *pVdbeBranchArg; /* 1st argument */ #endif -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE sqlite3_int64 mxMemdbSize; /* Default max memdb size */ #endif #ifndef SQLITE_UNTESTABLE int (*xTestCallback)(int); /* Invoked by sqlite3FaultSim() */ #endif int bLocaltimeFault; /* True to fail localtime() calls */ + int (*xAltLocaltime)(const void*,void*); /* Alternative localtime() routine */ int iOnceResetThreshold; /* When to reset OP_Once counters */ u32 szSorterRef; /* Min size in bytes to use sorter-refs */ unsigned int iPrngSeed; /* Alternative fixed seed for the PRNG */ + /* vvvv--- must be last ---vvv */ +#ifdef SQLITE_DEBUG + sqlite3_int64 aTune[SQLITE_NTUNE]; /* Tuning parameters */ +#endif }; /* @@ -19099,28 +19879,47 @@ struct Walker { void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ int walkerDepth; /* Number of subqueries */ u16 eCode; /* A small processing code */ + u16 mWFlags; /* Use-dependent flags */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ int n; /* A counter */ int iCur; /* A cursor number */ SrcList *pSrcList; /* FROM clause */ - struct SrcCount *pSrcCount; /* Counting column references */ struct CCurHint *pCCurHint; /* Used by codeCursorHint() */ + struct RefSrcList *pRefSrcList; /* sqlite3ReferencesSrcList() */ int *aiCol; /* array of column indexes */ struct IdxCover *pIdxCover; /* Check for index coverage */ - struct IdxExprTrans *pIdxTrans; /* Convert idxed expr to column */ ExprList *pGroupBy; /* GROUP BY clause */ Select *pSelect; /* HAVING to WHERE clause ctx */ struct WindowRewrite *pRewrite; /* Window rewrite context */ struct WhereConst *pConst; /* WHERE clause constants */ struct RenameCtx *pRename; /* RENAME COLUMN context */ struct Table *pTab; /* Table of generated column */ - struct SrcList_item *pSrcItem; /* A single FROM clause item */ + struct CoveringIndexCheck *pCovIdxCk; /* Check for covering index */ + SrcItem *pSrcItem; /* A single FROM clause item */ + DbFixer *pFix; /* See sqlite3FixSelect() */ + Mem *aMem; /* See sqlite3BtreeCursorHint() */ } u; }; +/* +** The following structure contains information used by the sqliteFix... +** routines as they walk the parse tree to make database references +** explicit. +*/ +struct DbFixer { + Parse *pParse; /* The parsing context. Error messages written here */ + Walker w; /* Walker object */ + Schema *pSchema; /* Fix items to this schema */ + u8 bTemp; /* True for TEMP schema entries */ + const char *zDb; /* Make sure all objects are contained in this database */ + const char *zType; /* Type of the container - used for error messages */ + const Token *pName; /* Name of the container - used for error messages */ +}; + /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); +SQLITE_PRIVATE int sqlite3WalkExprNN(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); @@ -19130,11 +19929,18 @@ SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker*, Select*); SQLITE_PRIVATE int sqlite3SelectWalkFail(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker*,Select*); SQLITE_PRIVATE void sqlite3WalkerDepthDecrease(Walker*,Select*); +SQLITE_PRIVATE void sqlite3WalkWinDefnDummyCallback(Walker*,Select*); #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker*, Select*); #endif +#ifndef SQLITE_OMIT_CTE +SQLITE_PRIVATE void sqlite3SelectPopWith(Walker*, Select*); +#else +# define sqlite3SelectPopWith 0 +#endif + /* ** Return code from the parse-tree walking primitives and their ** callbacks. @@ -19144,20 +19950,56 @@ SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker*, Select*); #define WRC_Abort 2 /* Abandon the tree walk */ /* -** An instance of this structure represents a set of one or more CTEs -** (common table expressions) created by a single WITH clause. +** A single common table expression +*/ +struct Cte { + char *zName; /* Name of this CTE */ + ExprList *pCols; /* List of explicit column names, or NULL */ + Select *pSelect; /* The definition of this CTE */ + const char *zCteErr; /* Error message for circular references */ + CteUse *pUse; /* Usage information for this CTE */ + u8 eM10d; /* The MATERIALIZED flag */ +}; + +/* +** Allowed values for the materialized flag (eM10d): +*/ +#define M10d_Yes 0 /* AS MATERIALIZED */ +#define M10d_Any 1 /* Not specified. Query planner's choice */ +#define M10d_No 2 /* AS NOT MATERIALIZED */ + +/* +** An instance of the With object represents a WITH clause containing +** one or more CTEs (common table expressions). */ struct With { - int nCte; /* Number of CTEs in the WITH clause */ - With *pOuter; /* Containing WITH clause, or NULL */ - struct Cte { /* For each CTE in the WITH clause.... */ - char *zName; /* Name of this CTE */ - ExprList *pCols; /* List of explicit column names, or NULL */ - Select *pSelect; /* The definition of this CTE */ - const char *zCteErr; /* Error message for circular references */ - } a[1]; + int nCte; /* Number of CTEs in the WITH clause */ + int bView; /* Belongs to the outermost Select of a view */ + With *pOuter; /* Containing WITH clause, or NULL */ + Cte a[1]; /* For each CTE in the WITH clause.... */ +}; + +/* +** The Cte object is not guaranteed to persist for the entire duration +** of code generation. (The query flattener or other parser tree +** edits might delete it.) The following object records information +** about each Common Table Expression that must be preserved for the +** duration of the parse. +** +** The CteUse objects are freed using sqlite3ParserAddCleanup() rather +** than sqlite3SelectDelete(), which is what enables them to persist +** until the end of code generation. +*/ +struct CteUse { + int nUse; /* Number of users of this CTE */ + int addrM9e; /* Start of subroutine to compute materialization */ + int regRtn; /* Return address register for addrM9e subroutine */ + int iCur; /* Ephemeral table holding the materialization */ + LogEst nRowEst; /* Estimated number of rows in the table */ + u8 eM10d; /* The MATERIALIZED flag */ }; + #ifdef SQLITE_DEBUG /* ** An instance of the TreeView object is used for printing the content of @@ -19207,7 +20049,7 @@ struct Window { Window **ppThis; /* Pointer to this object in Select.pWin list */ Window *pNextWin; /* Next window function belonging to this SELECT */ Expr *pFilter; /* The FILTER expression */ - FuncDef *pFunc; /* The function */ + FuncDef *pWFunc; /* The function */ int iEphCsr; /* Partition buffer or Peer buffer */ int regAccum; /* Accumulator */ int regResult; /* Interim result */ @@ -19231,11 +20073,10 @@ SQLITE_PRIVATE void sqlite3WindowListDelete(sqlite3 *db, Window *p); SQLITE_PRIVATE Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*, u8); SQLITE_PRIVATE void sqlite3WindowAttach(Parse*, Expr*, Window*); SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin); -SQLITE_PRIVATE int sqlite3WindowCompare(Parse*, Window*, Window*, int); +SQLITE_PRIVATE int sqlite3WindowCompare(const Parse*, const Window*, const Window*, int); SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Select*); SQLITE_PRIVATE void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int); SQLITE_PRIVATE int sqlite3WindowRewrite(Parse*, Select*); -SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, struct SrcList_item*); SQLITE_PRIVATE void sqlite3WindowUpdate(Parse*, Window*, Window*, FuncDef*); SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p); SQLITE_PRIVATE Window *sqlite3WindowListDup(sqlite3 *db, Window *p); @@ -19328,6 +20169,8 @@ SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define sqlite3Isxdigit(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x08) # define sqlite3Tolower(x) (sqlite3UpperToLower[(unsigned char)(x)]) # define sqlite3Isquote(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x80) +# define sqlite3JsonId1(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x42) +# define sqlite3JsonId2(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x46) #else # define sqlite3Toupper(x) toupper((unsigned char)(x)) # define sqlite3Isspace(x) isspace((unsigned char)(x)) @@ -19337,6 +20180,8 @@ SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define sqlite3Isxdigit(x) isxdigit((unsigned char)(x)) # define sqlite3Tolower(x) tolower((unsigned char)(x)) # define sqlite3Isquote(x) ((x)=='"'||(x)=='\''||(x)=='['||(x)=='`') +# define sqlite3JsonId1(x) (sqlite3IsIdChar(x)&&(x)<'0') +# define sqlite3JsonId2(x) sqlite3IsIdChar(x) #endif SQLITE_PRIVATE int sqlite3IsIdChar(u8); @@ -19364,8 +20209,9 @@ SQLITE_PRIVATE void *sqlite3DbReallocOrFree(sqlite3 *, void *, u64); SQLITE_PRIVATE void *sqlite3DbRealloc(sqlite3 *, void *, u64); SQLITE_PRIVATE void sqlite3DbFree(sqlite3*, void*); SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3*, void*); -SQLITE_PRIVATE int sqlite3MallocSize(void*); -SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3*, void*); +SQLITE_PRIVATE void sqlite3DbNNFreeNN(sqlite3*, void*); +SQLITE_PRIVATE int sqlite3MallocSize(const void*); +SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3*, const void*); SQLITE_PRIVATE void *sqlite3PageMalloc(int); SQLITE_PRIVATE void sqlite3PageFree(void*); SQLITE_PRIVATE void sqlite3MemSetDefault(void); @@ -19384,12 +20230,14 @@ SQLITE_PRIVATE int sqlite3HeapNearlyFull(void); */ #ifdef SQLITE_USE_ALLOCA # define sqlite3StackAllocRaw(D,N) alloca(N) -# define sqlite3StackAllocZero(D,N) memset(alloca(N), 0, N) +# define sqlite3StackAllocRawNN(D,N) alloca(N) # define sqlite3StackFree(D,P) +# define sqlite3StackFreeNN(D,P) #else # define sqlite3StackAllocRaw(D,N) sqlite3DbMallocRaw(D,N) -# define sqlite3StackAllocZero(D,N) sqlite3DbMallocZero(D,N) +# define sqlite3StackAllocRawNN(D,N) sqlite3DbMallocRawNN(D,N) # define sqlite3StackFree(D,P) sqlite3DbFree(D,P) +# define sqlite3StackFreeNN(D,P) sqlite3DbFreeNN(D,P) #endif /* Do not allow both MEMSYS5 and MEMSYS3 to be defined together. If they @@ -19453,6 +20301,20 @@ struct PrintfArguments { sqlite3_value **apArg; /* The argument values */ }; +/* +** An instance of this object receives the decoding of a floating point +** value into an approximate decimal representation. +*/ +struct FpDecode { + char sign; /* '+' or '-' */ + char isSpecial; /* 1: Infinity 2: NaN */ + int n; /* Significant digits in the decode */ + int iDP; /* Location of the decimal point */ + char *z; /* Start of significant digits */ + char zBuf[24]; /* Storage for significant digits */ +}; + +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode*,double,int,int); SQLITE_PRIVATE char *sqlite3MPrintf(sqlite3*,const char*, ...); SQLITE_PRIVATE char *sqlite3VMPrintf(sqlite3*,const char*, va_list); #if defined(SQLITE_DEBUG) || defined(SQLITE_HAVE_OS_TRACE) @@ -19463,33 +20325,74 @@ SQLITE_PRIVATE void *sqlite3TestTextToPtr(const char*); #endif #if defined(SQLITE_DEBUG) +SQLITE_PRIVATE void sqlite3TreeViewLine(TreeView*, const char *zFormat, ...); SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView*, const Expr*, u8); SQLITE_PRIVATE void sqlite3TreeViewBareExprList(TreeView*, const ExprList*, const char*); SQLITE_PRIVATE void sqlite3TreeViewExprList(TreeView*, const ExprList*, u8, const char*); +SQLITE_PRIVATE void sqlite3TreeViewBareIdList(TreeView*, const IdList*, const char*); +SQLITE_PRIVATE void sqlite3TreeViewIdList(TreeView*, const IdList*, u8, const char*); +SQLITE_PRIVATE void sqlite3TreeViewColumnList(TreeView*, const Column*, int, u8); SQLITE_PRIVATE void sqlite3TreeViewSrcList(TreeView*, const SrcList*); SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView*, const Select*, u8); SQLITE_PRIVATE void sqlite3TreeViewWith(TreeView*, const With*, u8); +SQLITE_PRIVATE void sqlite3TreeViewUpsert(TreeView*, const Upsert*, u8); +#if TREETRACE_ENABLED +SQLITE_PRIVATE void sqlite3TreeViewDelete(const With*, const SrcList*, const Expr*, + const ExprList*,const Expr*, const Trigger*); +SQLITE_PRIVATE void sqlite3TreeViewInsert(const With*, const SrcList*, + const IdList*, const Select*, const ExprList*, + int, const Upsert*, const Trigger*); +SQLITE_PRIVATE void sqlite3TreeViewUpdate(const With*, const SrcList*, const ExprList*, + const Expr*, int, const ExprList*, const Expr*, + const Upsert*, const Trigger*); +#endif +#ifndef SQLITE_OMIT_TRIGGER +SQLITE_PRIVATE void sqlite3TreeViewTriggerStep(TreeView*, const TriggerStep*, u8, u8); +SQLITE_PRIVATE void sqlite3TreeViewTrigger(TreeView*, const Trigger*, u8, u8); +#endif #ifndef SQLITE_OMIT_WINDOWFUNC SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView*, const Window*, u8); SQLITE_PRIVATE void sqlite3TreeViewWinFunc(TreeView*, const Window*, u8); #endif +SQLITE_PRIVATE void sqlite3ShowExpr(const Expr*); +SQLITE_PRIVATE void sqlite3ShowExprList(const ExprList*); +SQLITE_PRIVATE void sqlite3ShowIdList(const IdList*); +SQLITE_PRIVATE void sqlite3ShowSrcList(const SrcList*); +SQLITE_PRIVATE void sqlite3ShowSelect(const Select*); +SQLITE_PRIVATE void sqlite3ShowWith(const With*); +SQLITE_PRIVATE void sqlite3ShowUpsert(const Upsert*); +#ifndef SQLITE_OMIT_TRIGGER +SQLITE_PRIVATE void sqlite3ShowTriggerStep(const TriggerStep*); +SQLITE_PRIVATE void sqlite3ShowTriggerStepList(const TriggerStep*); +SQLITE_PRIVATE void sqlite3ShowTrigger(const Trigger*); +SQLITE_PRIVATE void sqlite3ShowTriggerList(const Trigger*); +#endif +#ifndef SQLITE_OMIT_WINDOWFUNC +SQLITE_PRIVATE void sqlite3ShowWindow(const Window*); +SQLITE_PRIVATE void sqlite3ShowWinFunc(const Window*); +#endif #endif - SQLITE_PRIVATE void sqlite3SetString(char **, sqlite3*, const char*); +SQLITE_PRIVATE void sqlite3ProgressCheck(Parse*); SQLITE_PRIVATE void sqlite3ErrorMsg(Parse*, const char*, ...); SQLITE_PRIVATE int sqlite3ErrorToParser(sqlite3*,int); SQLITE_PRIVATE void sqlite3Dequote(char*); SQLITE_PRIVATE void sqlite3DequoteExpr(Expr*); +SQLITE_PRIVATE void sqlite3DequoteToken(Token*); SQLITE_PRIVATE void sqlite3TokenInit(Token*,char*); SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char*, int); -SQLITE_PRIVATE int sqlite3RunParser(Parse*, const char*, char **); +SQLITE_PRIVATE int sqlite3RunParser(Parse*, const char*); SQLITE_PRIVATE void sqlite3FinishCoding(Parse*); SQLITE_PRIVATE int sqlite3GetTempReg(Parse*); SQLITE_PRIVATE void sqlite3ReleaseTempReg(Parse*,int); SQLITE_PRIVATE int sqlite3GetTempRange(Parse*,int); SQLITE_PRIVATE void sqlite3ReleaseTempRange(Parse*,int,int); SQLITE_PRIVATE void sqlite3ClearTempRegCache(Parse*); +SQLITE_PRIVATE void sqlite3TouchRegister(Parse*,int); +#if defined(SQLITE_ENABLE_STAT4) || defined(SQLITE_DEBUG) +SQLITE_PRIVATE int sqlite3FirstAvailableRegister(Parse*,int); +#endif #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse*,int,int); #endif @@ -19500,15 +20403,17 @@ SQLITE_PRIVATE Expr *sqlite3PExpr(Parse*, int, Expr*, Expr*); SQLITE_PRIVATE void sqlite3PExprAddSelect(Parse*, Expr*, Select*); SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse*,Expr*, Expr*); SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr*); -SQLITE_PRIVATE Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*, int); -SQLITE_PRIVATE void sqlite3ExprFunctionUsable(Parse*,Expr*,FuncDef*); +SQLITE_PRIVATE Expr *sqlite3ExprFunction(Parse*,ExprList*, const Token*, int); +SQLITE_PRIVATE void sqlite3ExprFunctionUsable(Parse*,const Expr*,const FuncDef*); SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse*, Expr*, u32); SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3*, Expr*); +SQLITE_PRIVATE void sqlite3ExprDeferredDelete(Parse*, Expr*); SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse*, Expr*); SQLITE_PRIVATE ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*); SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector(Parse*,ExprList*,IdList*,Expr*); +SQLITE_PRIVATE Select *sqlite3ExprListToValues(Parse*, int, ExprList*); SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList*,int,int); -SQLITE_PRIVATE void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int); +SQLITE_PRIVATE void sqlite3ExprListSetName(Parse*,ExprList*,const Token*,int); SQLITE_PRIVATE void sqlite3ExprListSetSpan(Parse*,ExprList*,const char*,const char*); SQLITE_PRIVATE void sqlite3ExprListDelete(sqlite3*, ExprList*); SQLITE_PRIVATE u32 sqlite3ExprListFlags(const ExprList*); @@ -19524,9 +20429,14 @@ SQLITE_PRIVATE void sqlite3ResetAllSchemasOfConnection(sqlite3*); SQLITE_PRIVATE void sqlite3ResetOneSchema(sqlite3*,int); SQLITE_PRIVATE void sqlite3CollapseDatabaseArray(sqlite3*); SQLITE_PRIVATE void sqlite3CommitInternalChanges(sqlite3*); +SQLITE_PRIVATE void sqlite3ColumnSetExpr(Parse*,Table*,Column*,Expr*); +SQLITE_PRIVATE Expr *sqlite3ColumnExpr(Table*,Column*); +SQLITE_PRIVATE void sqlite3ColumnSetColl(sqlite3*,Column*,const char*zColl); +SQLITE_PRIVATE const char *sqlite3ColumnColl(Column*); SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3*,Table*); +SQLITE_PRIVATE void sqlite3GenerateColumnNames(Parse *pParse, Select *pSelect); SQLITE_PRIVATE int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**); -SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation(Parse*,Table*,Select*,char); +SQLITE_PRIVATE void sqlite3SubqueryColumnTypes(Parse*,Table*,Select*,char); SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse*,Select*,char); SQLITE_PRIVATE void sqlite3OpenSchemaTable(Parse *, int); SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table*); @@ -19544,14 +20454,15 @@ SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table*, Column*); #else # define sqlite3ColumnPropertiesFromName(T,C) /* no-op */ #endif -SQLITE_PRIVATE void sqlite3AddColumn(Parse*,Token*,Token*); +SQLITE_PRIVATE void sqlite3AddColumn(Parse*,Token,Token); SQLITE_PRIVATE void sqlite3AddNotNull(Parse*, int); SQLITE_PRIVATE void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int); -SQLITE_PRIVATE void sqlite3AddCheckConstraint(Parse*, Expr*); +SQLITE_PRIVATE void sqlite3AddCheckConstraint(Parse*, Expr*, const char*, const char*); SQLITE_PRIVATE void sqlite3AddDefaultValue(Parse*,Expr*,const char*,const char*); SQLITE_PRIVATE void sqlite3AddCollateType(Parse*, Token*); SQLITE_PRIVATE void sqlite3AddGenerated(Parse*,Expr*,Token*); -SQLITE_PRIVATE void sqlite3EndTable(Parse*,Token*,Token*,u8,Select*); +SQLITE_PRIVATE void sqlite3EndTable(Parse*,Token*,Token*,u32,Select*); +SQLITE_PRIVATE void sqlite3AddReturning(Parse*,ExprList*); SQLITE_PRIVATE int sqlite3ParseUri(const char*,const char*,unsigned int*, sqlite3_vfs**,char**,char **); #define sqlite3CodecQueryParameters(A,B,C) 0 @@ -19614,13 +20525,14 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListEnlarge(Parse*, SrcList*, int, int); SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, SrcList *p2); SQLITE_PRIVATE SrcList *sqlite3SrcListAppend(Parse*, SrcList*, Token*, Token*); SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm(Parse*, SrcList*, Token*, Token*, - Token*, Select*, Expr*, IdList*); + Token*, Select*, OnOrUsing*); SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *, SrcList *, Token *); SQLITE_PRIVATE void sqlite3SrcListFuncArgs(Parse*, SrcList*, ExprList*); -SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *, struct SrcList_item *); -SQLITE_PRIVATE void sqlite3SrcListShiftJoinType(SrcList*); +SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *, SrcItem *); +SQLITE_PRIVATE void sqlite3SrcListShiftJoinType(Parse*,SrcList*); SQLITE_PRIVATE void sqlite3SrcListAssignCursors(Parse*, SrcList*); SQLITE_PRIVATE void sqlite3IdListDelete(sqlite3*, IdList*); +SQLITE_PRIVATE void sqlite3ClearOnOrUsing(sqlite3*, OnOrUsing*); SQLITE_PRIVATE void sqlite3SrcListDelete(sqlite3*, SrcList*); SQLITE_PRIVATE Index *sqlite3AllocateIndexObject(sqlite3*,i16,int,char**); SQLITE_PRIVATE void sqlite3CreateIndex(Parse*,Token*,Token*,SrcList*,ExprList*,int,Token*, @@ -19631,20 +20543,23 @@ SQLITE_PRIVATE Select *sqlite3SelectNew(Parse*,ExprList*,SrcList*,Expr*,ExprList Expr*,ExprList*,u32,Expr*); SQLITE_PRIVATE void sqlite3SelectDelete(sqlite3*, Select*); SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse*, SrcList*); -SQLITE_PRIVATE int sqlite3IsReadOnly(Parse*, Table*, int); +SQLITE_PRIVATE int sqlite3IsReadOnly(Parse*, Table*, Trigger*); SQLITE_PRIVATE void sqlite3OpenTable(Parse*, int iCur, int iDb, Table*, int); #if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY) SQLITE_PRIVATE Expr *sqlite3LimitWhere(Parse*,SrcList*,Expr*,ExprList*,Expr*,char*); #endif +SQLITE_PRIVATE void sqlite3CodeChangeCount(Vdbe*,int,const char*); SQLITE_PRIVATE void sqlite3DeleteFrom(Parse*, SrcList*, Expr*, ExprList*, Expr*); SQLITE_PRIVATE void sqlite3Update(Parse*, SrcList*, ExprList*,Expr*,int,ExprList*,Expr*, Upsert*); -SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin(Parse*,SrcList*,Expr*,ExprList*,ExprList*,u16,int); +SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin(Parse*,SrcList*,Expr*,ExprList*, + ExprList*,Select*,u16,int); SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo*); SQLITE_PRIVATE LogEst sqlite3WhereOutputRowCount(WhereInfo*); SQLITE_PRIVATE int sqlite3WhereIsDistinct(WhereInfo*); SQLITE_PRIVATE int sqlite3WhereIsOrdered(WhereInfo*); SQLITE_PRIVATE int sqlite3WhereOrderByLimitOptLabel(WhereInfo*); +SQLITE_PRIVATE void sqlite3WhereMinMaxOptEarlyOut(Vdbe*,WhereInfo*); SQLITE_PRIVATE int sqlite3WhereIsSorted(WhereInfo*); SQLITE_PRIVATE int sqlite3WhereContinueLabel(WhereInfo*); SQLITE_PRIVATE int sqlite3WhereBreakLabel(WhereInfo*); @@ -19659,7 +20574,7 @@ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse*, int, int, int); SQLITE_PRIVATE void sqlite3ExprCode(Parse*, Expr*, int); #ifndef SQLITE_OMIT_GENERATED_COLUMNS -SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn(Parse*, Column*, int); +SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn(Parse*, Table*, Column*, int); #endif SQLITE_PRIVATE void sqlite3ExprCodeCopy(Parse*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse*, Expr*, int); @@ -19678,23 +20593,24 @@ SQLITE_PRIVATE Table *sqlite3FindTable(sqlite3*,const char*, const char*); #define LOCATE_VIEW 0x01 #define LOCATE_NOERR 0x02 SQLITE_PRIVATE Table *sqlite3LocateTable(Parse*,u32 flags,const char*, const char*); -SQLITE_PRIVATE Table *sqlite3LocateTableItem(Parse*,u32 flags,struct SrcList_item *); +SQLITE_PRIVATE const char *sqlite3PreferredTableName(const char*); +SQLITE_PRIVATE Table *sqlite3LocateTableItem(Parse*,u32 flags,SrcItem *); SQLITE_PRIVATE Index *sqlite3FindIndex(sqlite3*,const char*, const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTable(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3Vacuum(Parse*,Token*,Expr*); SQLITE_PRIVATE int sqlite3RunVacuum(char**, sqlite3*, int, sqlite3_value*); -SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3*, Token*); -SQLITE_PRIVATE int sqlite3ExprCompare(Parse*,Expr*, Expr*, int); -SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*, Expr*, int); -SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList*, ExprList*, int); -SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int); +SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3*, const Token*); +SQLITE_PRIVATE int sqlite3ExprCompare(const Parse*,const Expr*,const Expr*, int); +SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*,Expr*,int); +SQLITE_PRIVATE int sqlite3ExprListCompare(const ExprList*,const ExprList*, int); +SQLITE_PRIVATE int sqlite3ExprImpliesExpr(const Parse*,const Expr*,const Expr*, int); +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int,int); SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); SQLITE_PRIVATE int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); -SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); +SQLITE_PRIVATE int sqlite3ReferencesSrcList(Parse*, Expr*, SrcList*); SQLITE_PRIVATE Vdbe *sqlite3GetVdbe(Parse*); #ifndef SQLITE_UNTESTABLE SQLITE_PRIVATE void sqlite3PrngSaveState(void); @@ -19716,10 +20632,11 @@ SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantOrFunction(Expr*, u8); SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*); SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr*,int); +SQLITE_PRIVATE int sqlite3ExprIsSingleTableConstraint(Expr*,const SrcList*,int); #ifdef SQLITE_ENABLE_CURSOR_HINTS SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr*); #endif -SQLITE_PRIVATE int sqlite3ExprIsInteger(Expr*, int*); +SQLITE_PRIVATE int sqlite3ExprIsInteger(const Expr*, int*); SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr*); SQLITE_PRIVATE int sqlite3ExprNeedsNoAffinityChange(const Expr*, char); SQLITE_PRIVATE int sqlite3IsRowid(const char*); @@ -19744,20 +20661,26 @@ SQLITE_PRIVATE void sqlite3MayAbort(Parse*); SQLITE_PRIVATE void sqlite3HaltConstraint(Parse*, int, int, char*, i8, u8); SQLITE_PRIVATE void sqlite3UniqueConstraint(Parse*, int, Index*); SQLITE_PRIVATE void sqlite3RowidConstraint(Parse*, int, Table*); -SQLITE_PRIVATE Expr *sqlite3ExprDup(sqlite3*,Expr*,int); -SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3*,ExprList*,int); -SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3*,SrcList*,int); -SQLITE_PRIVATE IdList *sqlite3IdListDup(sqlite3*,IdList*); -SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3*,Select*,int); +SQLITE_PRIVATE Expr *sqlite3ExprDup(sqlite3*,const Expr*,int); +SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3*,const ExprList*,int); +SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3*,const SrcList*,int); +SQLITE_PRIVATE IdList *sqlite3IdListDup(sqlite3*,const IdList*); +SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3*,const Select*,int); SQLITE_PRIVATE FuncDef *sqlite3FunctionSearch(int,const char*); SQLITE_PRIVATE void sqlite3InsertBuiltinFuncs(FuncDef*,int); SQLITE_PRIVATE FuncDef *sqlite3FindFunction(sqlite3*,const char*,int,u8,u8); +SQLITE_PRIVATE void sqlite3QuoteValue(StrAccum*,sqlite3_value*); SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void); SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void); +SQLITE_PRIVATE void sqlite3RegisterJsonFunctions(void); SQLITE_PRIVATE void sqlite3RegisterPerConnectionBuiltinFunctions(sqlite3*); +#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_JSON) +SQLITE_PRIVATE int sqlite3JsonTableFunctions(sqlite3*); +#endif SQLITE_PRIVATE int sqlite3SafetyCheckOk(sqlite3*); SQLITE_PRIVATE int sqlite3SafetyCheckSickOrOk(sqlite3*); SQLITE_PRIVATE void sqlite3ChangeCookie(Parse*, int); +SQLITE_PRIVATE With *sqlite3WithDup(sqlite3 *db, With *p); #if !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) SQLITE_PRIVATE void sqlite3MaterializeView(Parse*, Table*, Expr*, ExprList*,Expr*,int); @@ -19806,7 +20729,9 @@ SQLITE_PRIVATE SrcList *sqlite3TriggerStepSrc(Parse*, TriggerStep*); #endif SQLITE_PRIVATE int sqlite3JoinType(Parse*, Token*, Token*, Token*); -SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr*,int); +SQLITE_PRIVATE int sqlite3ColumnIndex(Table *pTab, const char *zCol); +SQLITE_PRIVATE void sqlite3SrcItemColumnUsed(SrcItem*,int); +SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr*,int,u32); SQLITE_PRIVATE void sqlite3CreateForeignKey(Parse*, ExprList*, Token*, ExprList*, int); SQLITE_PRIVATE void sqlite3DeferForeignKey(Parse*, int); #ifndef SQLITE_OMIT_AUTHORIZATION @@ -19828,10 +20753,11 @@ SQLITE_PRIVATE void sqlite3FixInit(DbFixer*, Parse*, int, const char*, const Tok SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); -SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); + SQLITE_PRIVATE int sqlite3RealSameAsInt(double,sqlite3_int64); -SQLITE_PRIVATE void sqlite3Int64ToText(i64,char*); +SQLITE_PRIVATE i64 sqlite3RealToI64(double); +SQLITE_PRIVATE int sqlite3Int64ToText(i64,char*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); SQLITE_PRIVATE int sqlite3GetUInt32(const char*, u32*); @@ -19843,14 +20769,8 @@ SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte); SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**); SQLITE_PRIVATE LogEst sqlite3LogEst(u64); SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst); -#ifndef SQLITE_OMIT_VIRTUALTABLE SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double); -#endif -#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \ - defined(SQLITE_ENABLE_STAT4) || \ - defined(SQLITE_EXPLAIN_ESTIMATED_ROWS) SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst); -#endif SQLITE_PRIVATE VList *sqlite3VListAdd(sqlite3*,VList*,const char*,int,int); SQLITE_PRIVATE const char *sqlite3VListNumToName(VList*,int); SQLITE_PRIVATE int sqlite3VListNameToNum(VList*,const char*,int); @@ -19882,15 +20802,18 @@ SQLITE_PRIVATE int sqlite3VarintLen(u64 v); SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3*, Index*); +SQLITE_PRIVATE char *sqlite3TableAffinityStr(sqlite3*,const Table*); SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe*, Table*, int); SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2); SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity); -SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table*,int); +SQLITE_PRIVATE char sqlite3TableColumnAffinity(const Table*,int); SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr); +SQLITE_PRIVATE int sqlite3ExprDataType(const Expr *pExpr); SQLITE_PRIVATE int sqlite3Atoi64(const char*, i64*, int, u8); SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char*, i64*); SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); SQLITE_PRIVATE void sqlite3Error(sqlite3*,int); +SQLITE_PRIVATE void sqlite3ErrorClear(sqlite3*); SQLITE_PRIVATE void sqlite3SystemError(sqlite3*,int); SQLITE_PRIVATE void *sqlite3HexToBlob(sqlite3*, const char *z, int n); SQLITE_PRIVATE u8 sqlite3HexToInt(int h); @@ -19900,8 +20823,11 @@ SQLITE_PRIVATE int sqlite3TwoPartName(Parse *, Token *, Token *, Token **); SQLITE_PRIVATE const char *sqlite3ErrName(int); #endif -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE SQLITE_PRIVATE int sqlite3MemdbInit(void); +SQLITE_PRIVATE int sqlite3IsMemdb(const sqlite3_vfs*); +#else +# define sqlite3IsMemdb(X) 0 #endif SQLITE_PRIVATE const char *sqlite3ErrStr(int); @@ -19913,14 +20839,14 @@ SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8); SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr); SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, const Expr *pExpr); SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse*,const Expr*,const Expr*); -SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, const Token*, int); -SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); +SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken(const Parse *pParse, Expr*, const Token*, int); +SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(const Parse*,Expr*,const char*); SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr*); SQLITE_PRIVATE Expr *sqlite3ExprSkipCollateAndLikely(Expr*); SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *, CollSeq *); SQLITE_PRIVATE int sqlite3WritableSchema(sqlite3*); SQLITE_PRIVATE int sqlite3CheckObjectName(Parse*, const char*,const char*,const char*); -SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *, int); +SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *, i64); SQLITE_PRIVATE int sqlite3AddInt64(i64*,i64); SQLITE_PRIVATE int sqlite3SubInt64(i64*,i64); SQLITE_PRIVATE int sqlite3MulInt64(i64*,i64); @@ -19933,6 +20859,7 @@ SQLITE_PRIVATE void sqlite3FileSuffix3(const char*, char*); SQLITE_PRIVATE u8 sqlite3GetBoolean(const char *z,u8); SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value*, void(*)(void*)); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); @@ -19945,16 +20872,21 @@ SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *); #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8); #endif -SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); +SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, const Expr *, u8, u8, sqlite3_value **); SQLITE_PRIVATE void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[]; SQLITE_PRIVATE const char sqlite3StrBINARY[]; +SQLITE_PRIVATE const unsigned char sqlite3StdTypeLen[]; +SQLITE_PRIVATE const char sqlite3StdTypeAffinity[]; +SQLITE_PRIVATE const char *sqlite3StdType[]; SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[]; +SQLITE_PRIVATE const unsigned char *sqlite3aLTb; +SQLITE_PRIVATE const unsigned char *sqlite3aEQb; +SQLITE_PRIVATE const unsigned char *sqlite3aGTb; SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[]; SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config; SQLITE_PRIVATE FuncDefHash sqlite3BuiltinFunctions; -SQLITE_API extern u32 sqlite3_unsupported_selecttrace; #ifndef SQLITE_OMIT_WSD SQLITE_PRIVATE int sqlite3PendingByte; #endif @@ -19973,6 +20905,7 @@ SQLITE_PRIVATE void sqlite3ExpirePreparedStatements(sqlite3*, int); SQLITE_PRIVATE void sqlite3CodeRhsOfIN(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3CodeSubselect(Parse*, Expr*); SQLITE_PRIVATE void sqlite3SelectPrep(Parse*, Select*, NameContext*); +SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, SrcItem*); SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p); SQLITE_PRIVATE int sqlite3MatchEName( const struct ExprList_item*, @@ -19990,8 +20923,9 @@ SQLITE_PRIVATE int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *, Table *, int, int); SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *, Token *); SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *, SrcList *); -SQLITE_PRIVATE void *sqlite3RenameTokenMap(Parse*, void*, Token*); -SQLITE_PRIVATE void sqlite3RenameTokenRemap(Parse*, void *pTo, void *pFrom); +SQLITE_PRIVATE void sqlite3AlterDropColumn(Parse*, SrcList*, const Token*); +SQLITE_PRIVATE const void *sqlite3RenameTokenMap(Parse*, const void*, const Token*); +SQLITE_PRIVATE void sqlite3RenameTokenRemap(Parse*, const void *pTo, const void *pFrom); SQLITE_PRIVATE void sqlite3RenameExprUnmap(Parse*, Expr*); SQLITE_PRIVATE void sqlite3RenameExprlistUnmap(Parse*, ExprList*); SQLITE_PRIVATE CollSeq *sqlite3GetCollSeq(Parse*, u8, CollSeq *, const char*); @@ -20013,6 +20947,7 @@ SQLITE_PRIVATE void sqlite3KeyInfoUnref(KeyInfo*); SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoRef(KeyInfo*); SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoOfIndex(Parse*, Index*); SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoFromExprList(Parse*, ExprList*, int, int); +SQLITE_PRIVATE const char *sqlite3SelectOpName(int); SQLITE_PRIVATE int sqlite3HasExplicitNulls(Parse*, ExprList*); #ifdef SQLITE_DEBUG @@ -20027,15 +20962,25 @@ SQLITE_PRIVATE int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *, FuncDestructor *pDestructor ); SQLITE_PRIVATE void sqlite3NoopDestructor(void*); -SQLITE_PRIVATE void sqlite3OomFault(sqlite3*); +SQLITE_PRIVATE void *sqlite3OomFault(sqlite3*); SQLITE_PRIVATE void sqlite3OomClear(sqlite3*); SQLITE_PRIVATE int sqlite3ApiExit(sqlite3 *db, int); SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *); +SQLITE_PRIVATE char *sqlite3RCStrRef(char*); +SQLITE_PRIVATE void sqlite3RCStrUnref(char*); +SQLITE_PRIVATE char *sqlite3RCStrNew(u64); +SQLITE_PRIVATE char *sqlite3RCStrResize(char*,u64); + SQLITE_PRIVATE void sqlite3StrAccumInit(StrAccum*, sqlite3*, char*, int, int); +SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum*, i64); SQLITE_PRIVATE char *sqlite3StrAccumFinish(StrAccum*); +SQLITE_PRIVATE void sqlite3StrAccumSetError(StrAccum*, u8); +SQLITE_PRIVATE void sqlite3ResultStrAccum(sqlite3_context*,StrAccum*); SQLITE_PRIVATE void sqlite3SelectDestInit(SelectDest*,int,int); SQLITE_PRIVATE Expr *sqlite3CreateColumnExpr(sqlite3 *, SrcList *, int, int); +SQLITE_PRIVATE void sqlite3RecordErrorByteOffset(sqlite3*,const char*); +SQLITE_PRIVATE void sqlite3RecordErrorOffsetOfExpr(sqlite3*,const Expr*); SQLITE_PRIVATE void sqlite3BackupRestart(sqlite3_backup *); SQLITE_PRIVATE void sqlite3BackupUpdate(sqlite3_backup *, Pgno, const u8 *); @@ -20086,7 +21031,7 @@ SQLITE_PRIVATE int sqlite3Utf8To8(unsigned char*); #endif #ifdef SQLITE_OMIT_VIRTUALTABLE -# define sqlite3VtabClear(Y) +# define sqlite3VtabClear(D,T) # define sqlite3VtabSync(X,Y) SQLITE_OK # define sqlite3VtabRollback(X) # define sqlite3VtabCommit(X) @@ -20123,9 +21068,11 @@ SQLITE_PRIVATE int sqlite3ReadOnlyShadowTables(sqlite3 *db); #ifndef SQLITE_OMIT_VIRTUALTABLE SQLITE_PRIVATE int sqlite3ShadowTableName(sqlite3 *db, const char *zName); SQLITE_PRIVATE int sqlite3IsShadowTableOf(sqlite3*,Table*,const char*); +SQLITE_PRIVATE void sqlite3MarkAllShadowTablesOf(sqlite3*, Table*); #else # define sqlite3ShadowTableName(A,B) 0 # define sqlite3IsShadowTableOf(A,B,C) 0 +# define sqlite3MarkAllShadowTablesOf(A,B) #endif SQLITE_PRIVATE int sqlite3VtabEponymousTableInit(Parse*,Module*); SQLITE_PRIVATE void sqlite3VtabEponymousTableClear(sqlite3*,Module*); @@ -20138,11 +21085,15 @@ SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **); SQLITE_PRIVATE int sqlite3VtabCallConnect(Parse*, Table*); SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3*, int, const char *); SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *, VTable *); + SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*); +SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(Parse*); SQLITE_PRIVATE sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context*); SQLITE_PRIVATE int sqlite3VdbeParameterIndex(Vdbe*, const char*, int); SQLITE_PRIVATE int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *); -SQLITE_PRIVATE void sqlite3ParserReset(Parse*); +SQLITE_PRIVATE void sqlite3ParseObjectInit(Parse*,sqlite3*); +SQLITE_PRIVATE void sqlite3ParseObjectReset(Parse*); +SQLITE_PRIVATE void *sqlite3ParserAddCleanup(Parse*,void(*)(sqlite3*,void*),void*); #ifdef SQLITE_ENABLE_NORMALIZE SQLITE_PRIVATE char *sqlite3Normalize(Vdbe*, const char*); #endif @@ -20157,23 +21108,32 @@ SQLITE_PRIVATE int sqlite3Checkpoint(sqlite3*, int, int, int*, int*); SQLITE_PRIVATE int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int); #endif #ifndef SQLITE_OMIT_CTE -SQLITE_PRIVATE With *sqlite3WithAdd(Parse*,With*,Token*,ExprList*,Select*); +SQLITE_PRIVATE Cte *sqlite3CteNew(Parse*,Token*,ExprList*,Select*,u8); +SQLITE_PRIVATE void sqlite3CteDelete(sqlite3*,Cte*); +SQLITE_PRIVATE With *sqlite3WithAdd(Parse*,With*,Cte*); SQLITE_PRIVATE void sqlite3WithDelete(sqlite3*,With*); -SQLITE_PRIVATE void sqlite3WithPush(Parse*, With*, u8); +SQLITE_PRIVATE With *sqlite3WithPush(Parse*, With*, u8); #else -#define sqlite3WithPush(x,y,z) -#define sqlite3WithDelete(x,y) +# define sqlite3CteNew(P,T,E,S) ((void*)0) +# define sqlite3CteDelete(D,C) +# define sqlite3CteWithAdd(P,W,C) ((void*)0) +# define sqlite3WithDelete(x,y) +# define sqlite3WithPush(x,y,z) ((void*)0) #endif #ifndef SQLITE_OMIT_UPSERT -SQLITE_PRIVATE Upsert *sqlite3UpsertNew(sqlite3*,ExprList*,Expr*,ExprList*,Expr*); +SQLITE_PRIVATE Upsert *sqlite3UpsertNew(sqlite3*,ExprList*,Expr*,ExprList*,Expr*,Upsert*); SQLITE_PRIVATE void sqlite3UpsertDelete(sqlite3*,Upsert*); SQLITE_PRIVATE Upsert *sqlite3UpsertDup(sqlite3*,Upsert*); SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget(Parse*,SrcList*,Upsert*); SQLITE_PRIVATE void sqlite3UpsertDoUpdate(Parse*,Upsert*,Table*,Index*,int); +SQLITE_PRIVATE Upsert *sqlite3UpsertOfIndex(Upsert*,Index*); +SQLITE_PRIVATE int sqlite3UpsertNextIsIPK(Upsert*); #else -#define sqlite3UpsertNew(v,w,x,y,z) ((Upsert*)0) +#define sqlite3UpsertNew(u,v,w,x,y,z) ((Upsert*)0) #define sqlite3UpsertDelete(x,y) -#define sqlite3UpsertDup(x,y) ((Upsert*)0) +#define sqlite3UpsertDup(x,y) ((Upsert*)0) +#define sqlite3UpsertOfIndex(x,y) ((Upsert*)0) +#define sqlite3UpsertNextIsIPK(x) 0 #endif @@ -20191,6 +21151,7 @@ SQLITE_PRIVATE void sqlite3FkActions(Parse*, Table*, ExprList*, int, int*, int SQLITE_PRIVATE int sqlite3FkRequired(Parse*, Table*, int*, int); SQLITE_PRIVATE u32 sqlite3FkOldmask(Parse*, Table*); SQLITE_PRIVATE FKey *sqlite3FkReferences(Table *); +SQLITE_PRIVATE void sqlite3FkClearTriggerCache(sqlite3*,int); #else #define sqlite3FkActions(a,b,c,d,e,f) #define sqlite3FkCheck(a,b,c,d,e,f) @@ -20198,6 +21159,7 @@ SQLITE_PRIVATE FKey *sqlite3FkReferences(Table *); #define sqlite3FkOldmask(a,b) 0 #define sqlite3FkRequired(a,b,c,d) 0 #define sqlite3FkReferences(a) 0 + #define sqlite3FkClearTriggerCache(a,b) #endif #ifndef SQLITE_OMIT_FOREIGN_KEY SQLITE_PRIVATE void sqlite3FkDelete(sqlite3 *, Table*); @@ -20255,12 +21217,13 @@ SQLITE_PRIVATE void sqlite3MemJournalOpen(sqlite3_file *); SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p); #if SQLITE_MAX_EXPR_DEPTH>0 -SQLITE_PRIVATE int sqlite3SelectExprHeight(Select *); +SQLITE_PRIVATE int sqlite3SelectExprHeight(const Select *); SQLITE_PRIVATE int sqlite3ExprCheckHeight(Parse*, int); #else #define sqlite3SelectExprHeight(x) 0 #define sqlite3ExprCheckHeight(x,y) #endif +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr*,int); SQLITE_PRIVATE u32 sqlite3Get4byte(const u8*); SQLITE_PRIVATE void sqlite3Put4byte(u8*, u32); @@ -20326,8 +21289,8 @@ SQLITE_API SQLITE_EXTERN void (SQLITE_CDECL *sqlite3IoTrace)(const char*,...); */ #ifdef SQLITE_MEMDEBUG SQLITE_PRIVATE void sqlite3MemdebugSetType(void*,u8); -SQLITE_PRIVATE int sqlite3MemdebugHasType(void*,u8); -SQLITE_PRIVATE int sqlite3MemdebugNoType(void*,u8); +SQLITE_PRIVATE int sqlite3MemdebugHasType(const void*,u8); +SQLITE_PRIVATE int sqlite3MemdebugNoType(const void*,u8); #else # define sqlite3MemdebugSetType(X,Y) /* no-op */ # define sqlite3MemdebugHasType(X,Y) 1 @@ -20352,19 +21315,927 @@ SQLITE_PRIVATE int sqlite3DbpageRegister(sqlite3*); SQLITE_PRIVATE int sqlite3DbstatRegister(sqlite3*); #endif -SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr); -SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr); +SQLITE_PRIVATE int sqlite3ExprVectorSize(const Expr *pExpr); +SQLITE_PRIVATE int sqlite3ExprIsVector(const Expr *pExpr); SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr*, int); -SQLITE_PRIVATE Expr *sqlite3ExprForVectorField(Parse*,Expr*,int); +SQLITE_PRIVATE Expr *sqlite3ExprForVectorField(Parse*,Expr*,int,int); SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse*, Expr*); #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt); #endif +#if SQLITE_OS_UNIX && defined(SQLITE_OS_KV_OPTIONAL) +SQLITE_PRIVATE int sqlite3KvvfsInit(void); +#endif + +#if defined(VDBE_PROFILE) \ + || defined(SQLITE_PERFORMANCE_TRACE) \ + || defined(SQLITE_ENABLE_STMT_SCANSTATUS) +SQLITE_PRIVATE sqlite3_uint64 sqlite3Hwtime(void); +#endif + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS +# define IS_STMT_SCANSTATUS(db) (db->flags & SQLITE_StmtScanStatus) +#else +# define IS_STMT_SCANSTATUS(db) 0 +#endif + #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ +/************** Begin file os_common.h ***************************************/ +/* +** 2004 May 22 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This file contains macros and a little bit of code that is common to +** all of the platform-specific files (os_*.c) and is #included into those +** files. +** +** This file should be #included by the os_*.c files only. It is not a +** general purpose header file. +*/ +#ifndef _OS_COMMON_H_ +#define _OS_COMMON_H_ + +/* +** At least two bugs have slipped in because we changed the MEMORY_DEBUG +** macro to SQLITE_DEBUG and some older makefiles have not yet made the +** switch. The following code should catch this problem at compile-time. +*/ +#ifdef MEMORY_DEBUG +# error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead." +#endif + +/* +** Macros for performance tracing. Normally turned off. Only works +** on i486 hardware. +*/ +#ifdef SQLITE_PERFORMANCE_TRACE + +static sqlite_uint64 g_start; +static sqlite_uint64 g_elapsed; +#define TIMER_START g_start=sqlite3Hwtime() +#define TIMER_END g_elapsed=sqlite3Hwtime()-g_start +#define TIMER_ELAPSED g_elapsed +#else +#define TIMER_START +#define TIMER_END +#define TIMER_ELAPSED ((sqlite_uint64)0) +#endif + +/* +** If we compile with the SQLITE_TEST macro set, then the following block +** of code will give us the ability to simulate a disk I/O error. This +** is used for testing the I/O recovery logic. +*/ +#if defined(SQLITE_TEST) +SQLITE_API extern int sqlite3_io_error_hit; +SQLITE_API extern int sqlite3_io_error_hardhit; +SQLITE_API extern int sqlite3_io_error_pending; +SQLITE_API extern int sqlite3_io_error_persist; +SQLITE_API extern int sqlite3_io_error_benign; +SQLITE_API extern int sqlite3_diskfull_pending; +SQLITE_API extern int sqlite3_diskfull; +#define SimulateIOErrorBenign(X) sqlite3_io_error_benign=(X) +#define SimulateIOError(CODE) \ + if( (sqlite3_io_error_persist && sqlite3_io_error_hit) \ + || sqlite3_io_error_pending-- == 1 ) \ + { local_ioerr(); CODE; } +static void local_ioerr(){ + IOTRACE(("IOERR\n")); + sqlite3_io_error_hit++; + if( !sqlite3_io_error_benign ) sqlite3_io_error_hardhit++; +} +#define SimulateDiskfullError(CODE) \ + if( sqlite3_diskfull_pending ){ \ + if( sqlite3_diskfull_pending == 1 ){ \ + local_ioerr(); \ + sqlite3_diskfull = 1; \ + sqlite3_io_error_hit = 1; \ + CODE; \ + }else{ \ + sqlite3_diskfull_pending--; \ + } \ + } +#else +#define SimulateIOErrorBenign(X) +#define SimulateIOError(A) +#define SimulateDiskfullError(A) +#endif /* defined(SQLITE_TEST) */ + +/* +** When testing, keep a count of the number of open files. +*/ +#if defined(SQLITE_TEST) +SQLITE_API extern int sqlite3_open_file_count; +#define OpenCounter(X) sqlite3_open_file_count+=(X) +#else +#define OpenCounter(X) +#endif /* defined(SQLITE_TEST) */ + +#endif /* !defined(_OS_COMMON_H_) */ + +/************** End of os_common.h *******************************************/ +/************** Begin file ctime.c *******************************************/ +/* DO NOT EDIT! +** This file is automatically generated by the script in the canonical +** SQLite source tree at tool/mkctimec.tcl. +** +** To modify this header, edit any of the various lists in that script +** which specify categories of generated conditionals in this file. +*/ + +/* +** 2010 February 23 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** +** This file implements routines used to report what compile-time options +** SQLite was built with. +*/ +#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS /* IMP: R-16824-07538 */ + +/* +** Include the configuration header output by 'configure' if we're using the +** autoconf-based build +*/ +#if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) +/* #include "sqlite_cfg.h" */ +#define SQLITECONFIG_H 1 +#endif + +/* These macros are provided to "stringify" the value of the define +** for those options in which the value is meaningful. */ +#define CTIMEOPT_VAL_(opt) #opt +#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) + +/* Like CTIMEOPT_VAL, but especially for SQLITE_DEFAULT_LOOKASIDE. This +** option requires a separate macro because legal values contain a single +** comma. e.g. (-DSQLITE_DEFAULT_LOOKASIDE="100,100") */ +#define CTIMEOPT_VAL2_(opt1,opt2) #opt1 "," #opt2 +#define CTIMEOPT_VAL2(opt) CTIMEOPT_VAL2_(opt) +/* #include "sqliteInt.h" */ + +/* +** An array of names of all compile-time options. This array should +** be sorted A-Z. +** +** This array looks large, but in a typical installation actually uses +** only a handful of compile-time options, so most times this array is usually +** rather short and uses little memory space. +*/ +static const char * const sqlite3azCompileOpt[] = { + +#ifdef SQLITE_32BIT_ROWID + "32BIT_ROWID", +#endif +#ifdef SQLITE_4_BYTE_ALIGNED_MALLOC + "4_BYTE_ALIGNED_MALLOC", +#endif +#ifdef SQLITE_ALLOW_COVERING_INDEX_SCAN +# if SQLITE_ALLOW_COVERING_INDEX_SCAN != 1 + "ALLOW_COVERING_INDEX_SCAN=" CTIMEOPT_VAL(SQLITE_ALLOW_COVERING_INDEX_SCAN), +# endif +#endif +#ifdef SQLITE_ALLOW_URI_AUTHORITY + "ALLOW_URI_AUTHORITY", +#endif +#ifdef SQLITE_ATOMIC_INTRINSICS + "ATOMIC_INTRINSICS=" CTIMEOPT_VAL(SQLITE_ATOMIC_INTRINSICS), +#endif +#ifdef SQLITE_BITMASK_TYPE + "BITMASK_TYPE=" CTIMEOPT_VAL(SQLITE_BITMASK_TYPE), +#endif +#ifdef SQLITE_BUG_COMPATIBLE_20160819 + "BUG_COMPATIBLE_20160819", +#endif +#ifdef SQLITE_CASE_SENSITIVE_LIKE + "CASE_SENSITIVE_LIKE", +#endif +#ifdef SQLITE_CHECK_PAGES + "CHECK_PAGES", +#endif +#if defined(__clang__) && defined(__clang_major__) + "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." + CTIMEOPT_VAL(__clang_minor__) "." + CTIMEOPT_VAL(__clang_patchlevel__), +#elif defined(_MSC_VER) + "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), +#elif defined(__GNUC__) && defined(__VERSION__) + "COMPILER=gcc-" __VERSION__, +#endif +#ifdef SQLITE_COVERAGE_TEST + "COVERAGE_TEST", +#endif +#ifdef SQLITE_DEBUG + "DEBUG", +#endif +#ifdef SQLITE_DEFAULT_AUTOMATIC_INDEX + "DEFAULT_AUTOMATIC_INDEX", +#endif +#ifdef SQLITE_DEFAULT_AUTOVACUUM + "DEFAULT_AUTOVACUUM", +#endif +#ifdef SQLITE_DEFAULT_CACHE_SIZE + "DEFAULT_CACHE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_CACHE_SIZE), +#endif +#ifdef SQLITE_DEFAULT_CKPTFULLFSYNC + "DEFAULT_CKPTFULLFSYNC", +#endif +#ifdef SQLITE_DEFAULT_FILE_FORMAT + "DEFAULT_FILE_FORMAT=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_FORMAT), +#endif +#ifdef SQLITE_DEFAULT_FILE_PERMISSIONS + "DEFAULT_FILE_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_PERMISSIONS), +#endif +#ifdef SQLITE_DEFAULT_FOREIGN_KEYS + "DEFAULT_FOREIGN_KEYS", +#endif +#ifdef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT + "DEFAULT_JOURNAL_SIZE_LIMIT=" CTIMEOPT_VAL(SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT), +#endif +#ifdef SQLITE_DEFAULT_LOCKING_MODE + "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), +#endif +#ifdef SQLITE_DEFAULT_LOOKASIDE + "DEFAULT_LOOKASIDE=" CTIMEOPT_VAL2(SQLITE_DEFAULT_LOOKASIDE), +#endif +#ifdef SQLITE_DEFAULT_MEMSTATUS +# if SQLITE_DEFAULT_MEMSTATUS != 1 + "DEFAULT_MEMSTATUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_MEMSTATUS), +# endif +#endif +#ifdef SQLITE_DEFAULT_MMAP_SIZE + "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), +#endif +#ifdef SQLITE_DEFAULT_PAGE_SIZE + "DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_PAGE_SIZE), +#endif +#ifdef SQLITE_DEFAULT_PCACHE_INITSZ + "DEFAULT_PCACHE_INITSZ=" CTIMEOPT_VAL(SQLITE_DEFAULT_PCACHE_INITSZ), +#endif +#ifdef SQLITE_DEFAULT_PROXYDIR_PERMISSIONS + "DEFAULT_PROXYDIR_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_PROXYDIR_PERMISSIONS), +#endif +#ifdef SQLITE_DEFAULT_RECURSIVE_TRIGGERS + "DEFAULT_RECURSIVE_TRIGGERS", +#endif +#ifdef SQLITE_DEFAULT_ROWEST + "DEFAULT_ROWEST=" CTIMEOPT_VAL(SQLITE_DEFAULT_ROWEST), +#endif +#ifdef SQLITE_DEFAULT_SECTOR_SIZE + "DEFAULT_SECTOR_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_SECTOR_SIZE), +#endif +#ifdef SQLITE_DEFAULT_SYNCHRONOUS + "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), +#endif +#ifdef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT + "DEFAULT_WAL_AUTOCHECKPOINT=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_AUTOCHECKPOINT), +#endif +#ifdef SQLITE_DEFAULT_WAL_SYNCHRONOUS + "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), +#endif +#ifdef SQLITE_DEFAULT_WORKER_THREADS + "DEFAULT_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WORKER_THREADS), +#endif +#ifdef SQLITE_DIRECT_OVERFLOW_READ + "DIRECT_OVERFLOW_READ", +#endif +#ifdef SQLITE_DISABLE_DIRSYNC + "DISABLE_DIRSYNC", +#endif +#ifdef SQLITE_DISABLE_FTS3_UNICODE + "DISABLE_FTS3_UNICODE", +#endif +#ifdef SQLITE_DISABLE_FTS4_DEFERRED + "DISABLE_FTS4_DEFERRED", +#endif +#ifdef SQLITE_DISABLE_INTRINSIC + "DISABLE_INTRINSIC", +#endif +#ifdef SQLITE_DISABLE_LFS + "DISABLE_LFS", +#endif +#ifdef SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS + "DISABLE_PAGECACHE_OVERFLOW_STATS", +#endif +#ifdef SQLITE_DISABLE_SKIPAHEAD_DISTINCT + "DISABLE_SKIPAHEAD_DISTINCT", +#endif +#ifdef SQLITE_DQS + "DQS=" CTIMEOPT_VAL(SQLITE_DQS), +#endif +#ifdef SQLITE_ENABLE_8_3_NAMES + "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), +#endif +#ifdef SQLITE_ENABLE_API_ARMOR + "ENABLE_API_ARMOR", +#endif +#ifdef SQLITE_ENABLE_ATOMIC_WRITE + "ENABLE_ATOMIC_WRITE", +#endif +#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE + "ENABLE_BATCH_ATOMIC_WRITE", +#endif +#ifdef SQLITE_ENABLE_BYTECODE_VTAB + "ENABLE_BYTECODE_VTAB", +#endif +#ifdef SQLITE_ENABLE_CEROD + "ENABLE_CEROD=" CTIMEOPT_VAL(SQLITE_ENABLE_CEROD), +#endif +#ifdef SQLITE_ENABLE_COLUMN_METADATA + "ENABLE_COLUMN_METADATA", +#endif +#ifdef SQLITE_ENABLE_COLUMN_USED_MASK + "ENABLE_COLUMN_USED_MASK", +#endif +#ifdef SQLITE_ENABLE_COSTMULT + "ENABLE_COSTMULT", +#endif +#ifdef SQLITE_ENABLE_CURSOR_HINTS + "ENABLE_CURSOR_HINTS", +#endif +#ifdef SQLITE_ENABLE_DBPAGE_VTAB + "ENABLE_DBPAGE_VTAB", +#endif +#ifdef SQLITE_ENABLE_DBSTAT_VTAB + "ENABLE_DBSTAT_VTAB", +#endif +#ifdef SQLITE_ENABLE_EXPENSIVE_ASSERT + "ENABLE_EXPENSIVE_ASSERT", +#endif +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + "ENABLE_EXPLAIN_COMMENTS", +#endif +#ifdef SQLITE_ENABLE_FTS3 + "ENABLE_FTS3", +#endif +#ifdef SQLITE_ENABLE_FTS3_PARENTHESIS + "ENABLE_FTS3_PARENTHESIS", +#endif +#ifdef SQLITE_ENABLE_FTS3_TOKENIZER + "ENABLE_FTS3_TOKENIZER", +#endif +#ifdef SQLITE_ENABLE_FTS4 + "ENABLE_FTS4", +#endif +#ifdef SQLITE_ENABLE_FTS5 + "ENABLE_FTS5", +#endif +#ifdef SQLITE_ENABLE_GEOPOLY + "ENABLE_GEOPOLY", +#endif +#ifdef SQLITE_ENABLE_HIDDEN_COLUMNS + "ENABLE_HIDDEN_COLUMNS", +#endif +#ifdef SQLITE_ENABLE_ICU + "ENABLE_ICU", +#endif +#ifdef SQLITE_ENABLE_IOTRACE + "ENABLE_IOTRACE", +#endif +#ifdef SQLITE_ENABLE_LOAD_EXTENSION + "ENABLE_LOAD_EXTENSION", +#endif +#ifdef SQLITE_ENABLE_LOCKING_STYLE + "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), +#endif +#ifdef SQLITE_ENABLE_MATH_FUNCTIONS + "ENABLE_MATH_FUNCTIONS", +#endif +#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT + "ENABLE_MEMORY_MANAGEMENT", +#endif +#ifdef SQLITE_ENABLE_MEMSYS3 + "ENABLE_MEMSYS3", +#endif +#ifdef SQLITE_ENABLE_MEMSYS5 + "ENABLE_MEMSYS5", +#endif +#ifdef SQLITE_ENABLE_MULTIPLEX + "ENABLE_MULTIPLEX", +#endif +#ifdef SQLITE_ENABLE_NORMALIZE + "ENABLE_NORMALIZE", +#endif +#ifdef SQLITE_ENABLE_NULL_TRIM + "ENABLE_NULL_TRIM", +#endif +#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC + "ENABLE_OFFSET_SQL_FUNC", +#endif +#ifdef SQLITE_ENABLE_OVERSIZE_CELL_CHECK + "ENABLE_OVERSIZE_CELL_CHECK", +#endif +#ifdef SQLITE_ENABLE_PREUPDATE_HOOK + "ENABLE_PREUPDATE_HOOK", +#endif +#ifdef SQLITE_ENABLE_QPSG + "ENABLE_QPSG", +#endif +#ifdef SQLITE_ENABLE_RBU + "ENABLE_RBU", +#endif +#ifdef SQLITE_ENABLE_RTREE + "ENABLE_RTREE", +#endif +#ifdef SQLITE_ENABLE_SESSION + "ENABLE_SESSION", +#endif +#ifdef SQLITE_ENABLE_SNAPSHOT + "ENABLE_SNAPSHOT", +#endif +#ifdef SQLITE_ENABLE_SORTER_REFERENCES + "ENABLE_SORTER_REFERENCES", +#endif +#ifdef SQLITE_ENABLE_SQLLOG + "ENABLE_SQLLOG", +#endif +#ifdef SQLITE_ENABLE_STAT4 + "ENABLE_STAT4", +#endif +#ifdef SQLITE_ENABLE_STMTVTAB + "ENABLE_STMTVTAB", +#endif +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + "ENABLE_STMT_SCANSTATUS", +#endif +#ifdef SQLITE_ENABLE_TREETRACE + "ENABLE_TREETRACE", +#endif +#ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION + "ENABLE_UNKNOWN_SQL_FUNCTION", +#endif +#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY + "ENABLE_UNLOCK_NOTIFY", +#endif +#ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT + "ENABLE_UPDATE_DELETE_LIMIT", +#endif +#ifdef SQLITE_ENABLE_URI_00_ERROR + "ENABLE_URI_00_ERROR", +#endif +#ifdef SQLITE_ENABLE_VFSTRACE + "ENABLE_VFSTRACE", +#endif +#ifdef SQLITE_ENABLE_WHERETRACE + "ENABLE_WHERETRACE", +#endif +#ifdef SQLITE_ENABLE_ZIPVFS + "ENABLE_ZIPVFS", +#endif +#ifdef SQLITE_EXPLAIN_ESTIMATED_ROWS + "EXPLAIN_ESTIMATED_ROWS", +#endif +#ifdef SQLITE_EXTRA_IFNULLROW + "EXTRA_IFNULLROW", +#endif +#ifdef SQLITE_EXTRA_INIT + "EXTRA_INIT=" CTIMEOPT_VAL(SQLITE_EXTRA_INIT), +#endif +#ifdef SQLITE_EXTRA_SHUTDOWN + "EXTRA_SHUTDOWN=" CTIMEOPT_VAL(SQLITE_EXTRA_SHUTDOWN), +#endif +#ifdef SQLITE_FTS3_MAX_EXPR_DEPTH + "FTS3_MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_FTS3_MAX_EXPR_DEPTH), +#endif +#ifdef SQLITE_FTS5_ENABLE_TEST_MI + "FTS5_ENABLE_TEST_MI", +#endif +#ifdef SQLITE_FTS5_NO_WITHOUT_ROWID + "FTS5_NO_WITHOUT_ROWID", +#endif +#if HAVE_ISNAN || SQLITE_HAVE_ISNAN + "HAVE_ISNAN", +#endif +#ifdef SQLITE_HOMEGROWN_RECURSIVE_MUTEX +# if SQLITE_HOMEGROWN_RECURSIVE_MUTEX != 1 + "HOMEGROWN_RECURSIVE_MUTEX=" CTIMEOPT_VAL(SQLITE_HOMEGROWN_RECURSIVE_MUTEX), +# endif +#endif +#ifdef SQLITE_IGNORE_AFP_LOCK_ERRORS + "IGNORE_AFP_LOCK_ERRORS", +#endif +#ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS + "IGNORE_FLOCK_LOCK_ERRORS", +#endif +#ifdef SQLITE_INLINE_MEMCPY + "INLINE_MEMCPY", +#endif +#ifdef SQLITE_INT64_TYPE + "INT64_TYPE", +#endif +#ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX + "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), +#endif +#ifdef SQLITE_LEGACY_JSON_VALID + "LEGACY_JSON_VALID", +#endif +#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS + "LIKE_DOESNT_MATCH_BLOBS", +#endif +#ifdef SQLITE_LOCK_TRACE + "LOCK_TRACE", +#endif +#ifdef SQLITE_LOG_CACHE_SPILL + "LOG_CACHE_SPILL", +#endif +#ifdef SQLITE_MALLOC_SOFT_LIMIT + "MALLOC_SOFT_LIMIT=" CTIMEOPT_VAL(SQLITE_MALLOC_SOFT_LIMIT), +#endif +#ifdef SQLITE_MAX_ATTACHED + "MAX_ATTACHED=" CTIMEOPT_VAL(SQLITE_MAX_ATTACHED), +#endif +#ifdef SQLITE_MAX_COLUMN + "MAX_COLUMN=" CTIMEOPT_VAL(SQLITE_MAX_COLUMN), +#endif +#ifdef SQLITE_MAX_COMPOUND_SELECT + "MAX_COMPOUND_SELECT=" CTIMEOPT_VAL(SQLITE_MAX_COMPOUND_SELECT), +#endif +#ifdef SQLITE_MAX_DEFAULT_PAGE_SIZE + "MAX_DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_DEFAULT_PAGE_SIZE), +#endif +#ifdef SQLITE_MAX_EXPR_DEPTH + "MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_EXPR_DEPTH), +#endif +#ifdef SQLITE_MAX_FUNCTION_ARG + "MAX_FUNCTION_ARG=" CTIMEOPT_VAL(SQLITE_MAX_FUNCTION_ARG), +#endif +#ifdef SQLITE_MAX_LENGTH + "MAX_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LENGTH), +#endif +#ifdef SQLITE_MAX_LIKE_PATTERN_LENGTH + "MAX_LIKE_PATTERN_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LIKE_PATTERN_LENGTH), +#endif +#ifdef SQLITE_MAX_MEMORY + "MAX_MEMORY=" CTIMEOPT_VAL(SQLITE_MAX_MEMORY), +#endif +#ifdef SQLITE_MAX_MMAP_SIZE + "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), +#endif +#ifdef SQLITE_MAX_MMAP_SIZE_ + "MAX_MMAP_SIZE_=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE_), +#endif +#ifdef SQLITE_MAX_PAGE_COUNT + "MAX_PAGE_COUNT=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_COUNT), +#endif +#ifdef SQLITE_MAX_PAGE_SIZE + "MAX_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_SIZE), +#endif +#ifdef SQLITE_MAX_SCHEMA_RETRY + "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), +#endif +#ifdef SQLITE_MAX_SQL_LENGTH + "MAX_SQL_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_SQL_LENGTH), +#endif +#ifdef SQLITE_MAX_TRIGGER_DEPTH + "MAX_TRIGGER_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_TRIGGER_DEPTH), +#endif +#ifdef SQLITE_MAX_VARIABLE_NUMBER + "MAX_VARIABLE_NUMBER=" CTIMEOPT_VAL(SQLITE_MAX_VARIABLE_NUMBER), +#endif +#ifdef SQLITE_MAX_VDBE_OP + "MAX_VDBE_OP=" CTIMEOPT_VAL(SQLITE_MAX_VDBE_OP), +#endif +#ifdef SQLITE_MAX_WORKER_THREADS + "MAX_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_MAX_WORKER_THREADS), +#endif +#ifdef SQLITE_MEMDEBUG + "MEMDEBUG", +#endif +#ifdef SQLITE_MIXED_ENDIAN_64BIT_FLOAT + "MIXED_ENDIAN_64BIT_FLOAT", +#endif +#ifdef SQLITE_MMAP_READWRITE + "MMAP_READWRITE", +#endif +#ifdef SQLITE_MUTEX_NOOP + "MUTEX_NOOP", +#endif +#ifdef SQLITE_MUTEX_OMIT + "MUTEX_OMIT", +#endif +#ifdef SQLITE_MUTEX_PTHREADS + "MUTEX_PTHREADS", +#endif +#ifdef SQLITE_MUTEX_W32 + "MUTEX_W32", +#endif +#ifdef SQLITE_NEED_ERR_NAME + "NEED_ERR_NAME", +#endif +#ifdef SQLITE_NO_SYNC + "NO_SYNC", +#endif +#ifdef SQLITE_OMIT_ALTERTABLE + "OMIT_ALTERTABLE", +#endif +#ifdef SQLITE_OMIT_ANALYZE + "OMIT_ANALYZE", +#endif +#ifdef SQLITE_OMIT_ATTACH + "OMIT_ATTACH", +#endif +#ifdef SQLITE_OMIT_AUTHORIZATION + "OMIT_AUTHORIZATION", +#endif +#ifdef SQLITE_OMIT_AUTOINCREMENT + "OMIT_AUTOINCREMENT", +#endif +#ifdef SQLITE_OMIT_AUTOINIT + "OMIT_AUTOINIT", +#endif +#ifdef SQLITE_OMIT_AUTOMATIC_INDEX + "OMIT_AUTOMATIC_INDEX", +#endif +#ifdef SQLITE_OMIT_AUTORESET + "OMIT_AUTORESET", +#endif +#ifdef SQLITE_OMIT_AUTOVACUUM + "OMIT_AUTOVACUUM", +#endif +#ifdef SQLITE_OMIT_BETWEEN_OPTIMIZATION + "OMIT_BETWEEN_OPTIMIZATION", +#endif +#ifdef SQLITE_OMIT_BLOB_LITERAL + "OMIT_BLOB_LITERAL", +#endif +#ifdef SQLITE_OMIT_CAST + "OMIT_CAST", +#endif +#ifdef SQLITE_OMIT_CHECK + "OMIT_CHECK", +#endif +#ifdef SQLITE_OMIT_COMPLETE + "OMIT_COMPLETE", +#endif +#ifdef SQLITE_OMIT_COMPOUND_SELECT + "OMIT_COMPOUND_SELECT", +#endif +#ifdef SQLITE_OMIT_CONFLICT_CLAUSE + "OMIT_CONFLICT_CLAUSE", +#endif +#ifdef SQLITE_OMIT_CTE + "OMIT_CTE", +#endif +#if defined(SQLITE_OMIT_DATETIME_FUNCS) || defined(SQLITE_OMIT_FLOATING_POINT) + "OMIT_DATETIME_FUNCS", +#endif +#ifdef SQLITE_OMIT_DECLTYPE + "OMIT_DECLTYPE", +#endif +#ifdef SQLITE_OMIT_DEPRECATED + "OMIT_DEPRECATED", +#endif +#ifdef SQLITE_OMIT_DESERIALIZE + "OMIT_DESERIALIZE", +#endif +#ifdef SQLITE_OMIT_DISKIO + "OMIT_DISKIO", +#endif +#ifdef SQLITE_OMIT_EXPLAIN + "OMIT_EXPLAIN", +#endif +#ifdef SQLITE_OMIT_FLAG_PRAGMAS + "OMIT_FLAG_PRAGMAS", +#endif +#ifdef SQLITE_OMIT_FLOATING_POINT + "OMIT_FLOATING_POINT", +#endif +#ifdef SQLITE_OMIT_FOREIGN_KEY + "OMIT_FOREIGN_KEY", +#endif +#ifdef SQLITE_OMIT_GET_TABLE + "OMIT_GET_TABLE", +#endif +#ifdef SQLITE_OMIT_HEX_INTEGER + "OMIT_HEX_INTEGER", +#endif +#ifdef SQLITE_OMIT_INCRBLOB + "OMIT_INCRBLOB", +#endif +#ifdef SQLITE_OMIT_INTEGRITY_CHECK + "OMIT_INTEGRITY_CHECK", +#endif +#ifdef SQLITE_OMIT_INTROSPECTION_PRAGMAS + "OMIT_INTROSPECTION_PRAGMAS", +#endif +#ifdef SQLITE_OMIT_JSON + "OMIT_JSON", +#endif +#ifdef SQLITE_OMIT_LIKE_OPTIMIZATION + "OMIT_LIKE_OPTIMIZATION", +#endif +#ifdef SQLITE_OMIT_LOAD_EXTENSION + "OMIT_LOAD_EXTENSION", +#endif +#ifdef SQLITE_OMIT_LOCALTIME + "OMIT_LOCALTIME", +#endif +#ifdef SQLITE_OMIT_LOOKASIDE + "OMIT_LOOKASIDE", +#endif +#ifdef SQLITE_OMIT_MEMORYDB + "OMIT_MEMORYDB", +#endif +#ifdef SQLITE_OMIT_OR_OPTIMIZATION + "OMIT_OR_OPTIMIZATION", +#endif +#ifdef SQLITE_OMIT_PAGER_PRAGMAS + "OMIT_PAGER_PRAGMAS", +#endif +#ifdef SQLITE_OMIT_PARSER_TRACE + "OMIT_PARSER_TRACE", +#endif +#ifdef SQLITE_OMIT_POPEN + "OMIT_POPEN", +#endif +#ifdef SQLITE_OMIT_PRAGMA + "OMIT_PRAGMA", +#endif +#ifdef SQLITE_OMIT_PROGRESS_CALLBACK + "OMIT_PROGRESS_CALLBACK", +#endif +#ifdef SQLITE_OMIT_QUICKBALANCE + "OMIT_QUICKBALANCE", +#endif +#ifdef SQLITE_OMIT_REINDEX + "OMIT_REINDEX", +#endif +#ifdef SQLITE_OMIT_SCHEMA_PRAGMAS + "OMIT_SCHEMA_PRAGMAS", +#endif +#ifdef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS + "OMIT_SCHEMA_VERSION_PRAGMAS", +#endif +#ifdef SQLITE_OMIT_SHARED_CACHE + "OMIT_SHARED_CACHE", +#endif +#ifdef SQLITE_OMIT_SHUTDOWN_DIRECTORIES + "OMIT_SHUTDOWN_DIRECTORIES", +#endif +#ifdef SQLITE_OMIT_SUBQUERY + "OMIT_SUBQUERY", +#endif +#ifdef SQLITE_OMIT_TCL_VARIABLE + "OMIT_TCL_VARIABLE", +#endif +#ifdef SQLITE_OMIT_TEMPDB + "OMIT_TEMPDB", +#endif +#ifdef SQLITE_OMIT_TEST_CONTROL + "OMIT_TEST_CONTROL", +#endif +#ifdef SQLITE_OMIT_TRACE +# if SQLITE_OMIT_TRACE != 1 + "OMIT_TRACE=" CTIMEOPT_VAL(SQLITE_OMIT_TRACE), +# endif +#endif +#ifdef SQLITE_OMIT_TRIGGER + "OMIT_TRIGGER", +#endif +#ifdef SQLITE_OMIT_TRUNCATE_OPTIMIZATION + "OMIT_TRUNCATE_OPTIMIZATION", +#endif +#ifdef SQLITE_OMIT_UTF16 + "OMIT_UTF16", +#endif +#ifdef SQLITE_OMIT_VACUUM + "OMIT_VACUUM", +#endif +#ifdef SQLITE_OMIT_VIEW + "OMIT_VIEW", +#endif +#ifdef SQLITE_OMIT_VIRTUALTABLE + "OMIT_VIRTUALTABLE", +#endif +#ifdef SQLITE_OMIT_WAL + "OMIT_WAL", +#endif +#ifdef SQLITE_OMIT_WSD + "OMIT_WSD", +#endif +#ifdef SQLITE_OMIT_XFER_OPT + "OMIT_XFER_OPT", +#endif +#ifdef SQLITE_PERFORMANCE_TRACE + "PERFORMANCE_TRACE", +#endif +#ifdef SQLITE_POWERSAFE_OVERWRITE +# if SQLITE_POWERSAFE_OVERWRITE != 1 + "POWERSAFE_OVERWRITE=" CTIMEOPT_VAL(SQLITE_POWERSAFE_OVERWRITE), +# endif +#endif +#ifdef SQLITE_PREFER_PROXY_LOCKING + "PREFER_PROXY_LOCKING", +#endif +#ifdef SQLITE_PROXY_DEBUG + "PROXY_DEBUG", +#endif +#ifdef SQLITE_REVERSE_UNORDERED_SELECTS + "REVERSE_UNORDERED_SELECTS", +#endif +#ifdef SQLITE_RTREE_INT_ONLY + "RTREE_INT_ONLY", +#endif +#ifdef SQLITE_SECURE_DELETE + "SECURE_DELETE", +#endif +#ifdef SQLITE_SMALL_STACK + "SMALL_STACK", +#endif +#ifdef SQLITE_SORTER_PMASZ + "SORTER_PMASZ=" CTIMEOPT_VAL(SQLITE_SORTER_PMASZ), +#endif +#ifdef SQLITE_SOUNDEX + "SOUNDEX", +#endif +#ifdef SQLITE_STAT4_SAMPLES + "STAT4_SAMPLES=" CTIMEOPT_VAL(SQLITE_STAT4_SAMPLES), +#endif +#ifdef SQLITE_STMTJRNL_SPILL + "STMTJRNL_SPILL=" CTIMEOPT_VAL(SQLITE_STMTJRNL_SPILL), +#endif +#ifdef SQLITE_SUBSTR_COMPATIBILITY + "SUBSTR_COMPATIBILITY", +#endif +#if (!defined(SQLITE_WIN32_MALLOC) \ + && !defined(SQLITE_ZERO_MALLOC) \ + && !defined(SQLITE_MEMDEBUG) \ + ) || defined(SQLITE_SYSTEM_MALLOC) + "SYSTEM_MALLOC", +#endif +#ifdef SQLITE_TCL + "TCL", +#endif +#ifdef SQLITE_TEMP_STORE + "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), +#endif +#ifdef SQLITE_TEST + "TEST", +#endif +#if defined(SQLITE_THREADSAFE) + "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), +#elif defined(THREADSAFE) + "THREADSAFE=" CTIMEOPT_VAL(THREADSAFE), +#else + "THREADSAFE=1", +#endif +#ifdef SQLITE_UNLINK_AFTER_CLOSE + "UNLINK_AFTER_CLOSE", +#endif +#ifdef SQLITE_UNTESTABLE + "UNTESTABLE", +#endif +#ifdef SQLITE_USER_AUTHENTICATION + "USER_AUTHENTICATION", +#endif +#ifdef SQLITE_USE_ALLOCA + "USE_ALLOCA", +#endif +#ifdef SQLITE_USE_FCNTL_TRACE + "USE_FCNTL_TRACE", +#endif +#ifdef SQLITE_USE_URI + "USE_URI", +#endif +#ifdef SQLITE_VDBE_COVERAGE + "VDBE_COVERAGE", +#endif +#ifdef SQLITE_WIN32_MALLOC + "WIN32_MALLOC", +#endif +#ifdef SQLITE_ZERO_MALLOC + "ZERO_MALLOC", +#endif + +} ; + +SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ + *pnOpt = sizeof(sqlite3azCompileOpt) / sizeof(sqlite3azCompileOpt[0]); + return (const char**)sqlite3azCompileOpt; +} + +#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ + +/************** End of ctime.c ***********************************************/ /************** Begin file global.c ******************************************/ /* ** 2008 June 13 @@ -20405,7 +22276,7 @@ SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[] = { 198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215, 216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233, 234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251, - 252,253,254,255 + 252,253,254,255, #endif #ifdef SQLITE_EBCDIC 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 0x */ @@ -20425,7 +22296,35 @@ SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[] = { 224,225,162,163,164,165,166,167,168,169,234,235,236,237,238,239, /* Ex */ 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, /* Fx */ #endif +/* All of the upper-to-lower conversion data is above. The following +** 18 integers are completely unrelated. They are appended to the +** sqlite3UpperToLower[] array to avoid UBSAN warnings. Here's what is +** going on: +** +** The SQL comparison operators (<>, =, >, <=, <, and >=) are implemented +** by invoking sqlite3MemCompare(A,B) which compares values A and B and +** returns negative, zero, or positive if A is less then, equal to, or +** greater than B, respectively. Then the true false results is found by +** consulting sqlite3aLTb[opcode], sqlite3aEQb[opcode], or +** sqlite3aGTb[opcode] depending on whether the result of compare(A,B) +** is negative, zero, or positive, where opcode is the specific opcode. +** The only works because the comparison opcodes are consecutive and in +** this order: NE EQ GT LE LT GE. Various assert()s throughout the code +** ensure that is the case. +** +** These elements must be appended to another array. Otherwise the +** index (here shown as [256-OP_Ne]) would be out-of-bounds and thus +** be undefined behavior. That's goofy, but the C-standards people thought +** it was a good idea, so here we are. +*/ +/* NE EQ GT LE LT GE */ + 1, 0, 0, 1, 1, 0, /* aLTb[]: Use when compare(A,B) less than zero */ + 0, 1, 0, 1, 0, 1, /* aEQb[]: Use when compare(A,B) equals zero */ + 1, 0, 1, 0, 0, 1 /* aGTb[]: Use when compare(A,B) greater than zero*/ }; +SQLITE_PRIVATE const unsigned char *sqlite3aLTb = &sqlite3UpperToLower[256-OP_Ne]; +SQLITE_PRIVATE const unsigned char *sqlite3aEQb = &sqlite3UpperToLower[256+6-OP_Ne]; +SQLITE_PRIVATE const unsigned char *sqlite3aGTb = &sqlite3UpperToLower[256+12-OP_Ne]; /* ** The following 256 byte lookup table is used to support SQLites built-in @@ -20437,7 +22336,7 @@ SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[] = { ** isalnum() 0x06 ** isxdigit() 0x08 ** toupper() 0x20 -** SQLite identifier character 0x40 +** SQLite identifier character 0x40 $, _, or non-ascii ** Quote character 0x80 ** ** Bit 0x20 is set if the mapped character requires translation to upper @@ -20583,6 +22482,7 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { SQLITE_ALLOW_COVERING_INDEX_SCAN, /* bUseCis */ 0, /* bSmallMalloc */ 1, /* bExtraSchemaChecks */ + sizeof(LONGDOUBLE_TYPE)>8, /* bUseLongDouble */ 0x7ffffffe, /* mxStrlen */ 0, /* neverCorrupt */ SQLITE_DEFAULT_LOOKASIDE, /* szLookaside, nLookaside */ @@ -20619,16 +22519,20 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { 0, /* xVdbeBranch */ 0, /* pVbeBranchArg */ #endif -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE SQLITE_MEMDB_DEFAULT_MAXSIZE, /* mxMemdbSize */ #endif #ifndef SQLITE_UNTESTABLE 0, /* xTestCallback */ #endif 0, /* bLocaltimeFault */ + 0, /* xAltLocaltime */ 0x7ffffffe, /* iOnceResetThreshold */ SQLITE_DEFAULT_SORTERREF_SIZE, /* szSorterRef */ 0, /* iPrngSeed */ +#ifdef SQLITE_DEBUG + {0,0,0,0,0,0}, /* aTune */ +#endif }; /* @@ -20638,6 +22542,18 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { */ SQLITE_PRIVATE FuncDefHash sqlite3BuiltinFunctions; +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG) +/* +** Counter used for coverage testing. Does not come into play for +** release builds. +** +** Access to this global variable is not mutex protected. This might +** result in TSAN warnings. But as the variable does not exist in +** release builds, that should not be a concern. +*/ +SQLITE_PRIVATE unsigned int sqlite3CoverageCounter; +#endif /* SQLITE_COVERAGE_TEST || SQLITE_DEBUG */ + #ifdef VDBE_PROFILE /* ** The following performance counter can be used in place of @@ -20669,9 +22585,10 @@ SQLITE_PRIVATE int sqlite3PendingByte = 0x40000000; #endif /* -** Flags for select tracing and the ".selecttrace" macro of the CLI +** Tracing flags set by SQLITE_TESTCTRL_TRACEFLAGS. */ -SQLITE_API u32 sqlite3_unsupported_selecttrace = 0; +SQLITE_PRIVATE u32 sqlite3TreeTrace = 0; +SQLITE_PRIVATE u32 sqlite3WhereTrace = 0; /* #include "opcodes.h" */ /* @@ -20687,6 +22604,36 @@ SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[] = OPFLG_INITIALIZER; */ SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY"; +/* +** Standard typenames. These names must match the COLTYPE_* definitions. +** Adjust the SQLITE_N_STDTYPE value if adding or removing entries. +** +** sqlite3StdType[] The actual names of the datatypes. +** +** sqlite3StdTypeLen[] The length (in bytes) of each entry +** in sqlite3StdType[]. +** +** sqlite3StdTypeAffinity[] The affinity associated with each entry +** in sqlite3StdType[]. +*/ +SQLITE_PRIVATE const unsigned char sqlite3StdTypeLen[] = { 3, 4, 3, 7, 4, 4 }; +SQLITE_PRIVATE const char sqlite3StdTypeAffinity[] = { + SQLITE_AFF_NUMERIC, + SQLITE_AFF_BLOB, + SQLITE_AFF_INTEGER, + SQLITE_AFF_INTEGER, + SQLITE_AFF_REAL, + SQLITE_AFF_TEXT +}; +SQLITE_PRIVATE const char *sqlite3StdType[] = { + "ANY", + "BLOB", + "INT", + "INTEGER", + "REAL", + "TEXT" +}; + /************** End of global.c **********************************************/ /************** Begin file status.c ******************************************/ /* @@ -20765,6 +22712,9 @@ typedef struct VdbeSorter VdbeSorter; /* Elements of the linked list at Vdbe.pAuxData */ typedef struct AuxData AuxData; +/* A cache of large TEXT or BLOB values in a VdbeCursor */ +typedef struct VdbeTxtBlbCache VdbeTxtBlbCache; + /* Types of VDBE cursors */ #define CURTYPE_BTREE 0 #define CURTYPE_SORTER 1 @@ -20784,7 +22734,7 @@ typedef struct AuxData AuxData; typedef struct VdbeCursor VdbeCursor; struct VdbeCursor { u8 eCurType; /* One of the CURTYPE_* values above */ - i8 iDb; /* Index of cursor database in db->aDb[] (or -1) */ + i8 iDb; /* Index of cursor database in db->aDb[] */ u8 nullRow; /* True if pointing to a row with no data */ u8 deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */ u8 isTable; /* True for rowid tables. False for indexes */ @@ -20795,10 +22745,14 @@ struct VdbeCursor { Bool isEphemeral:1; /* True for an ephemeral table */ Bool useRandomRowid:1; /* Generate new record numbers semi-randomly */ Bool isOrdered:1; /* True if the table is not BTREE_UNORDERED */ - Bool seekHit:1; /* See the OP_SeekHit and OP_IfNoHope opcodes */ - Btree *pBtx; /* Separate file holding temporary table */ + Bool noReuse:1; /* OpenEphemeral may not reuse this cursor */ + Bool colCache:1; /* pCache pointer is initialized and non-NULL */ + u16 seekHit; /* See the OP_SeekHit and OP_IfNoHope opcodes */ + union { /* pBtx for isEphermeral. pAltMap otherwise */ + Btree *pBtx; /* Separate file holding temporary table */ + u32 *aAltMap; /* Mapping from table to index column numbers */ + } ub; i64 seqCount; /* Sequence counter */ - u32 *aAltMap; /* Mapping from table to index column numbers */ /* Cached OP_Column parse information is only valid if cacheStatus matches ** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of @@ -20833,6 +22787,7 @@ struct VdbeCursor { #ifdef SQLITE_ENABLE_COLUMN_USED_MASK u64 maskUsed; /* Mask of columns used by this cursor */ #endif + VdbeTxtBlbCache *pCache; /* Cache of large TEXT or BLOB values */ /* 2*nField extra array elements allocated for aType[], beyond the one ** static element declared in the structure. nField total array slots for @@ -20840,12 +22795,30 @@ struct VdbeCursor { u32 aType[1]; /* Type values record decode. MUST BE LAST */ }; +/* Return true if P is a null-only cursor +*/ +#define IsNullCursor(P) \ + ((P)->eCurType==CURTYPE_PSEUDO && (P)->nullRow && (P)->seekResult==0) /* ** A value for VdbeCursor.cacheStatus that means the cache is always invalid. */ #define CACHE_STALE 0 +/* +** Large TEXT or BLOB values can be slow to load, so we want to avoid +** loading them more than once. For that reason, large TEXT and BLOB values +** can be stored in a cache defined by this object, and attached to the +** VdbeCursor using the pCache field. +*/ +struct VdbeTxtBlbCache { + char *pCValue; /* A RCStr buffer to hold the value */ + i64 iOffset; /* File offset of the row being cached */ + int iCol; /* Column for which the cache is valid */ + u32 cacheStatus; /* Vdbe.cacheCtr value */ + u32 colCacheCtr; /* Column cache counter */ +}; + /* ** When a sub-program is executed (OP_Program), a structure of this type ** is allocated to store the current value of the program counter, as @@ -20872,7 +22845,6 @@ struct VdbeFrame { Vdbe *v; /* VM this frame belongs to */ VdbeFrame *pParent; /* Parent of this frame, or NULL if parent is main */ Op *aOp; /* Program instructions for parent frame */ - i64 *anExec; /* Event counters from parent frame */ Mem *aMem; /* Array of memory cells for parent frame */ VdbeCursor **apCsr; /* Array of Vdbe cursors for parent frame */ u8 *aOnce; /* Bitmask used by OP_Once */ @@ -20888,8 +22860,8 @@ struct VdbeFrame { int nMem; /* Number of entries in aMem */ int nChildMem; /* Number of memory cells for child frame */ int nChildCsr; /* Number of cursors for child frame */ - int nChange; /* Statement changes (Vdbe.nChange) */ - int nDbChange; /* Value of db->nChange */ + i64 nChange; /* Statement changes (Vdbe.nChange) */ + i64 nDbChange; /* Value of db->nChange */ }; /* Magic number for sanity checking on VdbeFrame objects */ @@ -20914,16 +22886,16 @@ struct sqlite3_value { const char *zPType; /* Pointer type when MEM_Term|MEM_Subtype|MEM_Null */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ } u; + char *z; /* String or BLOB value */ + int n; /* Number of characters in string value, excluding '\0' */ u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ u8 eSubtype; /* Subtype for this value */ - int n; /* Number of characters in string value, excluding '\0' */ - char *z; /* String or BLOB value */ /* ShallowCopy only needs to copy the information above */ - char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */ + sqlite3 *db; /* The associated database connection */ int szMalloc; /* Size of the zMalloc allocation */ u32 uTemp; /* Transient storage for serial_type in OP_MakeRecord */ - sqlite3 *db; /* The associated database connection */ + char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */ void (*xDel)(void*);/* Destructor for Mem.z - only valid if MEM_Dyn */ #ifdef SQLITE_DEBUG Mem *pScopyFrom; /* This Mem is a shallow copy of pScopyFrom */ @@ -20935,11 +22907,43 @@ struct sqlite3_value { ** Size of struct Mem not including the Mem.zMalloc member or anything that ** follows. */ -#define MEMCELLSIZE offsetof(Mem,zMalloc) +#define MEMCELLSIZE offsetof(Mem,db) -/* One or more of the following flags are set to indicate the validOK +/* One or more of the following flags are set to indicate the ** representations of the value stored in the Mem struct. ** +** * MEM_Null An SQL NULL value +** +** * MEM_Null|MEM_Zero An SQL NULL with the virtual table +** UPDATE no-change flag set +** +** * MEM_Null|MEM_Term| An SQL NULL, but also contains a +** MEM_Subtype pointer accessible using +** sqlite3_value_pointer(). +** +** * MEM_Null|MEM_Cleared Special SQL NULL that compares non-equal +** to other NULLs even using the IS operator. +** +** * MEM_Str A string, stored in Mem.z with +** length Mem.n. Zero-terminated if +** MEM_Term is set. This flag is +** incompatible with MEM_Blob and +** MEM_Null, but can appear with MEM_Int, +** MEM_Real, and MEM_IntReal. +** +** * MEM_Blob A blob, stored in Mem.z length Mem.n. +** Incompatible with MEM_Str, MEM_Null, +** MEM_Int, MEM_Real, and MEM_IntReal. +** +** * MEM_Blob|MEM_Zero A blob in Mem.z of length Mem.n plus +** MEM.u.i extra 0x00 bytes at the end. +** +** * MEM_Int Integer stored in Mem.u.i. +** +** * MEM_Real Real stored in Mem.u.r. +** +** * MEM_IntReal Real stored as an integer in Mem.u.i. +** ** If the MEM_Null flag is set, then the value is an SQL NULL value. ** For a pointer type created using sqlite3_bind_pointer() or ** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set. @@ -20950,6 +22954,7 @@ struct sqlite3_value { ** set, then the string is nul terminated. The MEM_Int and MEM_Real ** flags may coexist with the MEM_Str flag. */ +#define MEM_Undefined 0x0000 /* Value is undefined */ #define MEM_Null 0x0001 /* Value is NULL (or a pointer) */ #define MEM_Str 0x0002 /* Value is a string */ #define MEM_Int 0x0004 /* Value is an integer */ @@ -20957,28 +22962,24 @@ struct sqlite3_value { #define MEM_Blob 0x0010 /* Value is a BLOB */ #define MEM_IntReal 0x0020 /* MEM_Int that stringifies like MEM_Real */ #define MEM_AffMask 0x003f /* Mask of affinity bits */ + +/* Extra bits that modify the meanings of the core datatypes above +*/ #define MEM_FromBind 0x0040 /* Value originates from sqlite3_bind() */ -#define MEM_Undefined 0x0080 /* Value is undefined */ + /* 0x0080 // Available */ #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ -#define MEM_TypeMask 0xc1bf /* Mask of type bits */ - +#define MEM_Term 0x0200 /* String in Mem.z is zero terminated */ +#define MEM_Zero 0x0400 /* Mem.i contains count of 0s appended to blob */ +#define MEM_Subtype 0x0800 /* Mem.eSubtype is valid */ +#define MEM_TypeMask 0x0dbf /* Mask of type bits */ -/* Whenever Mem contains a valid string or blob representation, one of -** the following flags must be set to determine the memory management -** policy for Mem.z. The MEM_Term flag tells us whether or not the -** string is \000 or \u0000 terminated +/* Bits that determine the storage for Mem.z for a string or blob or +** aggregate accumulator. */ -#define MEM_Term 0x0200 /* String in Mem.z is zero terminated */ -#define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ -#define MEM_Static 0x0800 /* Mem.z points to a static string */ -#define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ -#define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ -#define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ -#define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ -#ifdef SQLITE_OMIT_INCRBLOB - #undef MEM_Zero - #define MEM_Zero 0x0000 -#endif +#define MEM_Dyn 0x1000 /* Need to call Mem.xDel() on Mem.z */ +#define MEM_Static 0x2000 /* Mem.z points to a static string */ +#define MEM_Ephem 0x4000 /* Mem.z points to an ephemeral string */ +#define MEM_Agg 0x8000 /* Mem.z points to an agg function context */ /* Return TRUE if Mem X contains dynamically allocated content - anything ** that needs to be deallocated to avoid a leak. @@ -21000,11 +23001,15 @@ struct sqlite3_value { && (X)->n==0 && (X)->u.nZero==0) /* -** Return true if a memory cell is not marked as invalid. This macro +** Return true if a memory cell has been initialized and is valid. ** is for use inside assert() statements only. +** +** A Memory cell is initialized if at least one of the +** MEM_Null, MEM_Str, MEM_Int, MEM_Real, MEM_Blob, or MEM_IntReal bits +** is set. It is "undefined" if all those bits are zero. */ #ifdef SQLITE_DEBUG -#define memIsValid(M) ((M)->flags & MEM_Undefined)==0 +#define memIsValid(M) ((M)->flags & MEM_AffMask)!=0 #endif /* @@ -21042,6 +23047,7 @@ struct sqlite3_context { Vdbe *pVdbe; /* The VM that owns this context */ int iOp; /* Instruction number of OP_Function */ int isError; /* Error code returned by the function. */ + u8 enc; /* Encoding to use for results */ u8 skipFlag; /* Skip accumulator loading if true */ u8 argc; /* Number of arguments */ sqlite3_value *argv[1]; /* Argument set */ @@ -21054,10 +23060,19 @@ typedef unsigned bft; /* Bit Field Type */ /* The ScanStatus object holds a single value for the ** sqlite3_stmt_scanstatus() interface. +** +** aAddrRange[]: +** This array is used by ScanStatus elements associated with EQP +** notes that make an SQLITE_SCANSTAT_NCYCLE value available. It is +** an array of up to 3 ranges of VM addresses for which the Vdbe.anCycle[] +** values should be summed to calculate the NCYCLE value. Each pair of +** integer addresses is a start and end address (both inclusive) for a range +** instructions. A start value of 0 indicates an empty range. */ typedef struct ScanStatus ScanStatus; struct ScanStatus { int addrExplain; /* OP_Explain for loop */ + int aAddrRange[6]; int addrLoop; /* Address of "loops" counter */ int addrVisit; /* Address of "rows visited" counter */ int iSelectID; /* The "Select-ID" for this loop */ @@ -21087,16 +23102,15 @@ struct DblquoteStr { */ struct Vdbe { sqlite3 *db; /* The database connection that owns this statement */ - Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */ + Vdbe **ppVPrev,*pVNext; /* Linked list of VDBEs with the same Vdbe.db */ Parse *pParse; /* Parsing context used to create this Vdbe */ ynVar nVar; /* Number of entries in aVar[] */ - u32 magic; /* Magic number for sanity checking */ int nMem; /* Number of memory locations currently allocated */ int nCursor; /* Number of slots in apCsr[] */ u32 cacheCtr; /* VdbeCursor row cache generation counter */ int pc; /* The program counter */ int rc; /* Value to return */ - int nChange; /* Number of db changes made since last reset */ + i64 nChange; /* Number of db changes made since last reset */ int iStatement; /* Statement number (or 0 if has no opened stmt) */ i64 iCurrentTime; /* Value of julianday('now') for this statement */ i64 nFkConstraint; /* Number of imm. FK constraints this VM */ @@ -21114,7 +23128,7 @@ struct Vdbe { int nOp; /* Number of instructions in the program */ int nOpAlloc; /* Slots allocated for aOp[] */ Mem *aColName; /* Column names to return */ - Mem *pResultSet; /* Pointer to an array of results */ + Mem *pResultRow; /* Current output row */ char *zErrMsg; /* Error message written here */ VList *pVList; /* Name of variables */ #ifndef SQLITE_OMIT_TRACE @@ -21125,20 +23139,21 @@ struct Vdbe { u32 nWrite; /* Number of write operations that have occurred */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ + u16 nResAlloc; /* Column slots allocated to aColName[] */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ - u8 doingRerun; /* True if rerunning after an auto-reprepare */ + u8 eVdbeState; /* On of the VDBE_*_STATE values */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ - bft explain:2; /* True if EXPLAIN present on SQL command */ + bft explain:2; /* 0: normal, 1: EXPLAIN, 2: EXPLAIN QUERY PLAN */ bft changeCntOn:1; /* True to update the change-counter */ - bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ + bft haveEqpOps:1; /* Bytecode supports EXPLAIN QUERY PLAN */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ - u32 aCounter[7]; /* Counters used by sqlite3_stmt_status() */ + u32 aCounter[9]; /* Counters used by sqlite3_stmt_status() */ char *zSql; /* Text of the SQL statement that generated this */ #ifdef SQLITE_ENABLE_NORMALIZE char *zNormSql; /* Normalization of the associated SQL statement */ @@ -21152,20 +23167,18 @@ struct Vdbe { SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ AuxData *pAuxData; /* Linked list of auxdata allocations */ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS - i64 *anExec; /* Number of times each op has been executed */ int nScan; /* Entries in aScan[] */ ScanStatus *aScan; /* Scan definitions for sqlite3_stmt_scanstatus() */ #endif }; /* -** The following are allowed values for Vdbe.magic +** The following are allowed values for Vdbe.eVdbeState */ -#define VDBE_MAGIC_INIT 0x16bceaa5 /* Building a VDBE program */ -#define VDBE_MAGIC_RUN 0x2df20da3 /* VDBE is ready to execute */ -#define VDBE_MAGIC_HALT 0x319c2973 /* VDBE has completed execution */ -#define VDBE_MAGIC_RESET 0x48fa9f76 /* Reset and ready to run again */ -#define VDBE_MAGIC_DEAD 0x5606c3c8 /* The VDBE has been deallocated */ +#define VDBE_INIT_STATE 0 /* Prepared statement under construction */ +#define VDBE_READY_STATE 1 /* Ready to run but not yet started */ +#define VDBE_RUN_STATE 2 /* Run in progress */ +#define VDBE_HALT_STATE 3 /* Finished. Need reset() or finalize() */ /* ** Structure used to store the context required by the @@ -21180,26 +23193,58 @@ struct PreUpdate { UnpackedRecord *pUnpacked; /* Unpacked version of aRecord[] */ UnpackedRecord *pNewUnpacked; /* Unpacked version of new.* record */ int iNewReg; /* Register for new.* values */ + int iBlobWrite; /* Value returned by preupdate_blobwrite() */ i64 iKey1; /* First key value passed to hook */ i64 iKey2; /* Second key value passed to hook */ Mem *aNew; /* Array of new.* values */ - Table *pTab; /* Schema object being upated */ + Table *pTab; /* Schema object being updated */ Index *pPk; /* PK index if pTab is WITHOUT ROWID */ }; +/* +** An instance of this object is used to pass an vector of values into +** OP_VFilter, the xFilter method of a virtual table. The vector is the +** set of values on the right-hand side of an IN constraint. +** +** The value as passed into xFilter is an sqlite3_value with a "pointer" +** type, such as is generated by sqlite3_result_pointer() and read by +** sqlite3_value_pointer. Such values have MEM_Term|MEM_Subtype|MEM_Null +** and a subtype of 'p'. The sqlite3_vtab_in_first() and _next() interfaces +** know how to use this object to step through all the values in the +** right operand of the IN constraint. +*/ +typedef struct ValueList ValueList; +struct ValueList { + BtCursor *pCsr; /* An ephemeral table holding all values */ + sqlite3_value *pOut; /* Register to hold each decoded output value */ +}; + +/* Size of content associated with serial types that fit into a +** single-byte varint. +*/ +#ifndef SQLITE_AMALGAMATION +SQLITE_PRIVATE const u8 sqlite3SmallTypeSizes[]; +#endif + /* ** Function prototypes */ SQLITE_PRIVATE void sqlite3VdbeError(Vdbe*, const char *, ...); SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); +SQLITE_PRIVATE void sqlite3VdbeFreeCursorNN(Vdbe*,VdbeCursor*); void sqliteVdbePopStack(Vdbe*,int); +SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeHandleMovedCursor(VdbeCursor *p); SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor*); -SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor**, u32*); SQLITE_PRIVATE int sqlite3VdbeCursorRestore(VdbeCursor*); SQLITE_PRIVATE u32 sqlite3VdbeSerialTypeLen(u32); SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8); -SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32); -SQLITE_PRIVATE u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*); +#ifdef SQLITE_MIXED_ENDIAN_64BIT_FLOAT +SQLITE_PRIVATE u64 sqlite3FloatSwap(u64 in); +# define swapMixedEndianFloat(X) X = sqlite3FloatSwap(X) +#else +# define swapMixedEndianFloat(X) +#endif +SQLITE_PRIVATE void sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*); SQLITE_PRIVATE void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int); int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *); @@ -21223,7 +23268,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemCopy(Mem*, const Mem*); SQLITE_PRIVATE void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int); SQLITE_PRIVATE void sqlite3VdbeMemMove(Mem*, Mem*); SQLITE_PRIVATE int sqlite3VdbeMemNulTerminate(Mem*); -SQLITE_PRIVATE int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); +SQLITE_PRIVATE int sqlite3VdbeMemSetStr(Mem*, const char*, i64, u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemSetInt64(Mem*, i64); #ifdef SQLITE_OMIT_FLOATING_POINT # define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 @@ -21233,14 +23278,20 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem*, double); SQLITE_PRIVATE void sqlite3VdbeMemSetPointer(Mem*, void*, const char*, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemInit(Mem*,sqlite3*,u16); SQLITE_PRIVATE void sqlite3VdbeMemSetNull(Mem*); +#ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem*,int); +#else +SQLITE_PRIVATE int sqlite3VdbeMemSetZeroBlob(Mem*,int); +#endif #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3VdbeMemIsRowSet(const Mem*); #endif SQLITE_PRIVATE int sqlite3VdbeMemSetRowSet(Mem*); +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); -SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem*); +SQLITE_PRIVATE int sqlite3IntFloatCompare(i64,double); +SQLITE_PRIVATE i64 sqlite3VdbeIntValue(const Mem*); SQLITE_PRIVATE int sqlite3VdbeMemIntegerify(Mem*); SQLITE_PRIVATE double sqlite3VdbeRealValue(Mem*); SQLITE_PRIVATE int sqlite3VdbeBooleanValue(Mem*, int ifNull); @@ -21251,6 +23302,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem*,u8,u8); SQLITE_PRIVATE int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*); SQLITE_PRIVATE int sqlite3VdbeMemFromBtreeZeroOffset(BtCursor*,u32,Mem*); SQLITE_PRIVATE void sqlite3VdbeMemRelease(Mem *p); +SQLITE_PRIVATE void sqlite3VdbeMemReleaseMalloc(Mem*p); SQLITE_PRIVATE int sqlite3VdbeMemFinalize(Mem*, FuncDef*); #ifndef SQLITE_OMIT_WINDOWFUNC SQLITE_PRIVATE int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*); @@ -21268,7 +23320,8 @@ SQLITE_PRIVATE void sqlite3VdbeFrameMemDel(void*); /* Destructor on Mem */ SQLITE_PRIVATE void sqlite3VdbeFrameDelete(VdbeFrame*); /* Actually deletes the Frame */ SQLITE_PRIVATE int sqlite3VdbeFrameRestore(VdbeFrame *); #ifdef SQLITE_ENABLE_PREUPDATE_HOOK -SQLITE_PRIVATE void sqlite3VdbePreUpdateHook(Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int); +SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( + Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int,int); #endif SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p); @@ -21281,6 +23334,8 @@ SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); +SQLITE_PRIVATE void sqlite3VdbeValueListFree(void*); + #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbeIncrWriteCounter(Vdbe*, VdbeCursor*); SQLITE_PRIVATE void sqlite3VdbeAssertAbortable(Vdbe*); @@ -21609,6 +23664,8 @@ SQLITE_API int sqlite3_db_status( sqlite3BtreeEnterAll(db); db->pnBytesFreed = &nByte; + assert( db->lookaside.pEnd==db->lookaside.pTrueEnd ); + db->lookaside.pEnd = db->lookaside.pStart; for(i=0; inDb; i++){ Schema *pSchema = db->aDb[i].pSchema; if( ALWAYS(pSchema!=0) ){ @@ -21634,6 +23691,7 @@ SQLITE_API int sqlite3_db_status( } } db->pnBytesFreed = 0; + db->lookaside.pEnd = db->lookaside.pTrueEnd; sqlite3BtreeLeaveAll(db); *pHighwater = 0; @@ -21651,10 +23709,12 @@ SQLITE_API int sqlite3_db_status( int nByte = 0; /* Used to accumulate return value */ db->pnBytesFreed = &nByte; - for(pVdbe=db->pVdbe; pVdbe; pVdbe=pVdbe->pNext){ - sqlite3VdbeClearObject(db, pVdbe); - sqlite3DbFree(db, pVdbe); + assert( db->lookaside.pEnd==db->lookaside.pTrueEnd ); + db->lookaside.pEnd = db->lookaside.pStart; + for(pVdbe=db->pVdbe; pVdbe; pVdbe=pVdbe->pVNext){ + sqlite3VdbeDelete(pVdbe); } + db->lookaside.pEnd = db->lookaside.pTrueEnd; db->pnBytesFreed = 0; *pHighwater = 0; /* IMP: R-64479-57858 */ @@ -21791,6 +23851,7 @@ struct DateTime { char validTZ; /* True (1) if tz is valid */ char tzSet; /* Timezone was set explicitly */ char isError; /* An overflow has occurred */ + char useSubsec; /* Display subsecond precision */ }; @@ -21823,8 +23884,8 @@ struct DateTime { */ static int getDigits(const char *zDate, const char *zFormat, ...){ /* The aMx[] array translates the 3rd character of each format - ** spec into a max size: a b c d e f */ - static const u16 aMx[] = { 12, 14, 24, 31, 59, 9999 }; + ** spec into a max size: a b c d e f */ + static const u16 aMx[] = { 12, 14, 24, 31, 59, 14712 }; va_list ap; int cnt = 0; char nextC; @@ -21990,7 +24051,7 @@ static void computeJD(DateTime *p){ p->iJD = (sqlite3_int64)((X1 + X2 + D + B - 1524.5 ) * 86400000); p->validJD = 1; if( p->validHMS ){ - p->iJD += p->h*3600000 + p->m*60000 + (sqlite3_int64)(p->s*1000); + p->iJD += p->h*3600000 + p->m*60000 + (sqlite3_int64)(p->s*1000 + 0.5); if( p->validTZ ){ p->iJD -= p->tz*60000; p->validYMD = 0; @@ -22105,6 +24166,11 @@ static int parseDateOrTime( }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8)>0 ){ setRawDateNumber(p, r); return 0; + }else if( (sqlite3StrICmp(zDate,"subsec")==0 + || sqlite3StrICmp(zDate,"subsecond")==0) + && sqlite3NotPureFunc(context) ){ + p->useSubsec = 1; + return setDateTimeToCurrent(context, p); } return 1; } @@ -22160,17 +24226,14 @@ static void computeYMD(DateTime *p){ ** Compute the Hour, Minute, and Seconds from the julian day number. */ static void computeHMS(DateTime *p){ - int s; + int day_ms, day_min; /* milliseconds, minutes into the day */ if( p->validHMS ) return; computeJD(p); - s = (int)((p->iJD + 43200000) % 86400000); - p->s = s/1000.0; - s = (int)p->s; - p->s -= s; - p->h = s/3600; - s -= p->h*3600; - p->m = s/60; - p->s += s - p->m*60; + day_ms = (int)((p->iJD + 43200000) % 86400000); + p->s = (day_ms % 60000)/1000.0; + day_min = day_ms/60000; + p->m = day_min % 60; + p->h = day_min / 60; p->rawS = 0; p->validHMS = 1; } @@ -22217,8 +24280,10 @@ static void clearYMD_HMS_TZ(DateTime *p){ ** is available. This routine returns 0 on success and ** non-zero on any kind of error. ** -** If the sqlite3GlobalConfig.bLocaltimeFault variable is true then this -** routine will always fail. +** If the sqlite3GlobalConfig.bLocaltimeFault variable is non-zero then this +** routine will always fail. If bLocaltimeFault is nonzero and +** sqlite3GlobalConfig.xAltLocaltime is not NULL, then xAltLocaltime() is +** invoked in place of the OS-defined localtime() function. ** ** EVIDENCE-OF: R-62172-00036 In this implementation, the standard C ** library function localtime_r() is used to assist in the calculation of @@ -22234,14 +24299,30 @@ static int osLocaltime(time_t *t, struct tm *pTm){ sqlite3_mutex_enter(mutex); pX = localtime(t); #ifndef SQLITE_UNTESTABLE - if( sqlite3GlobalConfig.bLocaltimeFault ) pX = 0; + if( sqlite3GlobalConfig.bLocaltimeFault ){ + if( sqlite3GlobalConfig.xAltLocaltime!=0 + && 0==sqlite3GlobalConfig.xAltLocaltime((const void*)t,(void*)pTm) + ){ + pX = pTm; + }else{ + pX = 0; + } + } #endif if( pX ) *pTm = *pX; +#if SQLITE_THREADSAFE>0 sqlite3_mutex_leave(mutex); +#endif rc = pX==0; #else #ifndef SQLITE_UNTESTABLE - if( sqlite3GlobalConfig.bLocaltimeFault ) return 1; + if( sqlite3GlobalConfig.bLocaltimeFault ){ + if( sqlite3GlobalConfig.xAltLocaltime!=0 ){ + return sqlite3GlobalConfig.xAltLocaltime((const void*)t,(void*)pTm); + }else{ + return 1; + } + } #endif #if HAVE_LOCALTIME_R rc = localtime_r(t, pTm)==0; @@ -22256,67 +24337,56 @@ static int osLocaltime(time_t *t, struct tm *pTm){ #ifndef SQLITE_OMIT_LOCALTIME /* -** Compute the difference (in milliseconds) between localtime and UTC -** (a.k.a. GMT) for the time value p where p is in UTC. If no error occurs, -** return this value and set *pRc to SQLITE_OK. -** -** Or, if an error does occur, set *pRc to SQLITE_ERROR. The returned value -** is undefined in this case. +** Assuming the input DateTime is UTC, move it to its localtime equivalent. */ -static sqlite3_int64 localtimeOffset( - DateTime *p, /* Date at which to calculate offset */ - sqlite3_context *pCtx, /* Write error here if one occurs */ - int *pRc /* OUT: Error code. SQLITE_OK or ERROR */ +static int toLocaltime( + DateTime *p, /* Date at which to calculate offset */ + sqlite3_context *pCtx /* Write error here if one occurs */ ){ - DateTime x, y; time_t t; struct tm sLocal; + int iYearDiff; /* Initialize the contents of sLocal to avoid a compiler warning. */ memset(&sLocal, 0, sizeof(sLocal)); - x = *p; - computeYMD_HMS(&x); - if( x.Y<1971 || x.Y>=2038 ){ + computeJD(p); + if( p->iJD<2108667600*(i64)100000 /* 1970-01-01 */ + || p->iJD>2130141456*(i64)100000 /* 2038-01-18 */ + ){ /* EVIDENCE-OF: R-55269-29598 The localtime_r() C function normally only ** works for years between 1970 and 2037. For dates outside this range, ** SQLite attempts to map the year into an equivalent year within this ** range, do the calculation, then map the year back. */ - x.Y = 2000; - x.M = 1; - x.D = 1; - x.h = 0; - x.m = 0; - x.s = 0.0; - } else { - int s = (int)(x.s + 0.5); - x.s = s; + DateTime x = *p; + computeYMD_HMS(&x); + iYearDiff = (2000 + x.Y%4) - x.Y; + x.Y += iYearDiff; + x.validJD = 0; + computeJD(&x); + t = (time_t)(x.iJD/1000 - 21086676*(i64)10000); + }else{ + iYearDiff = 0; + t = (time_t)(p->iJD/1000 - 21086676*(i64)10000); } - x.tz = 0; - x.validJD = 0; - computeJD(&x); - t = (time_t)(x.iJD/1000 - 21086676*(i64)10000); if( osLocaltime(&t, &sLocal) ){ sqlite3_result_error(pCtx, "local time unavailable", -1); - *pRc = SQLITE_ERROR; - return 0; + return SQLITE_ERROR; } - y.Y = sLocal.tm_year + 1900; - y.M = sLocal.tm_mon + 1; - y.D = sLocal.tm_mday; - y.h = sLocal.tm_hour; - y.m = sLocal.tm_min; - y.s = sLocal.tm_sec; - y.validYMD = 1; - y.validHMS = 1; - y.validJD = 0; - y.rawS = 0; - y.validTZ = 0; - y.isError = 0; - computeJD(&y); - *pRc = SQLITE_OK; - return y.iJD - x.iJD; + p->Y = sLocal.tm_year + 1900 - iYearDiff; + p->M = sLocal.tm_mon + 1; + p->D = sLocal.tm_mday; + p->h = sLocal.tm_hour; + p->m = sLocal.tm_min; + p->s = sLocal.tm_sec + (p->iJD%1000)*0.001; + p->validYMD = 1; + p->validHMS = 1; + p->validJD = 0; + p->rawS = 0; + p->validTZ = 0; + p->isError = 0; + return SQLITE_OK; } #endif /* SQLITE_OMIT_LOCALTIME */ @@ -22329,20 +24399,38 @@ static sqlite3_int64 localtimeOffset( ** of several units of time. */ static const struct { - u8 eType; /* Transformation type code */ - u8 nName; /* Length of th name */ - char *zName; /* Name of the transformation */ - double rLimit; /* Maximum NNN value for this transform */ - double rXform; /* Constant used for this transform */ + u8 nName; /* Length of the name */ + char zName[7]; /* Name of the transformation */ + float rLimit; /* Maximum NNN value for this transform */ + float rXform; /* Constant used for this transform */ } aXformType[] = { - { 0, 6, "second", 464269060800.0, 1000.0 }, - { 0, 6, "minute", 7737817680.0, 60000.0 }, - { 0, 4, "hour", 128963628.0, 3600000.0 }, - { 0, 3, "day", 5373485.0, 86400000.0 }, - { 1, 5, "month", 176546.0, 2592000000.0 }, - { 2, 4, "year", 14713.0, 31536000000.0 }, + { 6, "second", 4.6427e+14, 1.0 }, + { 6, "minute", 7.7379e+12, 60.0 }, + { 4, "hour", 1.2897e+11, 3600.0 }, + { 3, "day", 5373485.0, 86400.0 }, + { 5, "month", 176546.0, 2592000.0 }, + { 4, "year", 14713.0, 31536000.0 }, }; +/* +** If the DateTime p is raw number, try to figure out if it is +** a julian day number of a unix timestamp. Set the p value +** appropriately. +*/ +static void autoAdjustDate(DateTime *p){ + if( !p->rawS || p->validJD ){ + p->rawS = 0; + }else if( p->s>=-21086676*(i64)10000 /* -4713-11-24 12:00:00 */ + && p->s<=(25340230*(i64)10000)+799 /* 9999-12-31 23:59:59 */ + ){ + double r = p->s*1000.0 + 210866760000000.0; + clearYMD_HMS_TZ(p); + p->iJD = (sqlite3_int64)(r + 0.5); + p->validJD = 1; + p->rawS = 0; + } +} + /* ** Process a modifier to a date-time stamp. The modifiers are ** as follows: @@ -22371,11 +24459,44 @@ static int parseModifier( sqlite3_context *pCtx, /* Function context */ const char *z, /* The text of the modifier */ int n, /* Length of zMod in bytes */ - DateTime *p /* The date/time value to be modified */ + DateTime *p, /* The date/time value to be modified */ + int idx /* Parameter index of the modifier */ ){ int rc = 1; double r; switch(sqlite3UpperToLower[(u8)z[0]] ){ + case 'a': { + /* + ** auto + ** + ** If rawS is available, then interpret as a julian day number, or + ** a unix timestamp, depending on its magnitude. + */ + if( sqlite3_stricmp(z, "auto")==0 ){ + if( idx>1 ) return 1; /* IMP: R-33611-57934 */ + autoAdjustDate(p); + rc = 0; + } + break; + } + case 'j': { + /* + ** julianday + ** + ** Always interpret the prior number as a julian-day value. If this + ** is not the first modifier, or if the prior argument is not a numeric + ** value in the allowed range of julian day numbers understood by + ** SQLite (0..5373484.5) then the result will be NULL. + */ + if( sqlite3_stricmp(z, "julianday")==0 ){ + if( idx>1 ) return 1; /* IMP: R-31176-64601 */ + if( p->validJD && p->rawS ){ + rc = 0; + p->rawS = 0; + } + } + break; + } #ifndef SQLITE_OMIT_LOCALTIME case 'l': { /* localtime @@ -22384,9 +24505,7 @@ static int parseModifier( ** show local time. */ if( sqlite3_stricmp(z, "localtime")==0 && sqlite3NotPureFunc(pCtx) ){ - computeJD(p); - p->iJD += localtimeOffset(p, pCtx, &rc); - clearYMD_HMS_TZ(p); + rc = toLocaltime(p, pCtx); } break; } @@ -22399,6 +24518,7 @@ static int parseModifier( ** seconds since 1970. Convert to a real julian day number. */ if( sqlite3_stricmp(z, "unixepoch")==0 && p->rawS ){ + if( idx>1 ) return 1; /* IMP: R-49255-55373 */ r = p->s*1000.0 + 210866760000000.0; if( r>=0.0 && r<464269060800000.0 ){ clearYMD_HMS_TZ(p); @@ -22411,18 +24531,31 @@ static int parseModifier( #ifndef SQLITE_OMIT_LOCALTIME else if( sqlite3_stricmp(z, "utc")==0 && sqlite3NotPureFunc(pCtx) ){ if( p->tzSet==0 ){ - sqlite3_int64 c1; + i64 iOrigJD; /* Original localtime */ + i64 iGuess; /* Guess at the corresponding utc time */ + int cnt = 0; /* Safety to prevent infinite loop */ + i64 iErr; /* Guess is off by this much */ + computeJD(p); - c1 = localtimeOffset(p, pCtx, &rc); - if( rc==SQLITE_OK ){ - p->iJD -= c1; - clearYMD_HMS_TZ(p); - p->iJD += c1 - localtimeOffset(p, pCtx, &rc); - } + iGuess = iOrigJD = p->iJD; + iErr = 0; + do{ + DateTime new; + memset(&new, 0, sizeof(new)); + iGuess -= iErr; + new.iJD = iGuess; + new.validJD = 1; + rc = toLocaltime(&new, pCtx); + if( rc ) return rc; + computeJD(&new); + iErr = new.iJD - iOrigJD; + }while( iErr && cnt++<3 ); + memset(p, 0, sizeof(*p)); + p->iJD = iGuess; + p->validJD = 1; p->tzSet = 1; - }else{ - rc = SQLITE_OK; } + rc = SQLITE_OK; } #endif break; @@ -22437,7 +24570,7 @@ static int parseModifier( */ if( sqlite3_strnicmp(z, "weekday ", 8)==0 && sqlite3AtoF(&z[8], &r, sqlite3Strlen30(&z[8]), SQLITE_UTF8)>0 - && (n=(int)r)==r && n>=0 && r<7 ){ + && r>=0.0 && r<7.0 && (n=(int)r)==r ){ sqlite3_int64 Z; computeYMD_HMS(p); p->validTZ = 0; @@ -22457,8 +24590,22 @@ static int parseModifier( ** ** Move the date backwards to the beginning of the current day, ** or month or year. + ** + ** subsecond + ** subsec + ** + ** Show subsecond precision in the output of datetime() and + ** unixepoch() and strftime('%s'). */ - if( sqlite3_strnicmp(z, "start of ", 9)!=0 ) break; + if( sqlite3_strnicmp(z, "start of ", 9)!=0 ){ + if( sqlite3_stricmp(z, "subsec")==0 + || sqlite3_stricmp(z, "subsecond")==0 + ){ + p->useSubsec = 1; + rc = 0; + } + break; + } if( !p->validJD && !p->validYMD && !p->validHMS ) break; z += 9; computeYMD(p); @@ -22494,18 +24641,73 @@ static int parseModifier( case '9': { double rRounder; int i; - for(n=1; z[n] && z[n]!=':' && !sqlite3Isspace(z[n]); n++){} + int Y,M,D,h,m,x; + const char *z2 = z; + char z0 = z[0]; + for(n=1; z[n]; n++){ + if( z[n]==':' ) break; + if( sqlite3Isspace(z[n]) ) break; + if( z[n]=='-' ){ + if( n==5 && getDigits(&z[1], "40f", &Y)==1 ) break; + if( n==6 && getDigits(&z[1], "50f", &Y)==1 ) break; + } + } if( sqlite3AtoF(z, &r, n, SQLITE_UTF8)<=0 ){ - rc = 1; + assert( rc==1 ); break; } - if( z[n]==':' ){ + if( z[n]=='-' ){ + /* A modifier of the form (+|-)YYYY-MM-DD adds or subtracts the + ** specified number of years, months, and days. MM is limited to + ** the range 0-11 and DD is limited to 0-30. + */ + if( z0!='+' && z0!='-' ) break; /* Must start with +/- */ + if( n==5 ){ + if( getDigits(&z[1], "40f-20a-20d", &Y, &M, &D)!=3 ) break; + }else{ + assert( n==6 ); + if( getDigits(&z[1], "50f-20a-20d", &Y, &M, &D)!=3 ) break; + z++; + } + if( M>=12 ) break; /* M range 0..11 */ + if( D>=31 ) break; /* D range 0..30 */ + computeYMD_HMS(p); + p->validJD = 0; + if( z0=='-' ){ + p->Y -= Y; + p->M -= M; + D = -D; + }else{ + p->Y += Y; + p->M += M; + } + x = p->M>0 ? (p->M-1)/12 : (p->M-12)/12; + p->Y += x; + p->M -= x*12; + computeJD(p); + p->validHMS = 0; + p->validYMD = 0; + p->iJD += (i64)D*86400000; + if( z[11]==0 ){ + rc = 0; + break; + } + if( sqlite3Isspace(z[11]) + && getDigits(&z[12], "20c:20e", &h, &m)==2 + ){ + z2 = &z[12]; + n = 2; + }else{ + break; + } + } + if( z2[n]==':' ){ /* A modifier of the form (+|-)HH:MM:SS.FFF adds (or subtracts) the ** specified number of hours, minutes, seconds, and fractional seconds ** to the time. The ".FFF" may be omitted. The ":SS.FFF" may be ** omitted. */ - const char *z2 = z; + DateTime tx; sqlite3_int64 day; if( !sqlite3Isdigit(*z2) ) z2++; @@ -22515,7 +24717,7 @@ static int parseModifier( tx.iJD -= 43200000; day = tx.iJD/86400000; tx.iJD -= day*86400000; - if( z[0]=='-' ) tx.iJD = -tx.iJD; + if( z0=='-' ) tx.iJD = -tx.iJD; computeJD(p); clearYMD_HMS_TZ(p); p->iJD += tx.iJD; @@ -22531,16 +24733,16 @@ static int parseModifier( if( n>10 || n<3 ) break; if( sqlite3UpperToLower[(u8)z[n-1]]=='s' ) n--; computeJD(p); - rc = 1; + assert( rc==1 ); rRounder = r<0 ? -0.5 : +0.5; for(i=0; i-aXformType[i].rLimit && rM += (int)r; x = p->M>0 ? (p->M-1)/12 : (p->M-12)/12; @@ -22550,8 +24752,9 @@ static int parseModifier( r -= (int)r; break; } - case 2: { /* Special processing to add years */ + case 5: { /* Special processing to add years */ int y = (int)r; + assert( strcmp(aXformType[i].zName,"year")==0 ); computeYMD_HMS(p); p->Y += y; p->validJD = 0; @@ -22560,7 +24763,7 @@ static int parseModifier( } } computeJD(p); - p->iJD += (sqlite3_int64)(r*aXformType[i].rXform + rRounder); + p->iJD += (sqlite3_int64)(r*1000.0*aXformType[i].rXform + rRounder); rc = 0; break; } @@ -22595,6 +24798,7 @@ static int isDate( int eType; memset(p, 0, sizeof(*p)); if( argc==0 ){ + if( !sqlite3NotPureFunc(context) ) return 1; return setDateTimeToCurrent(context, p); } if( (eType = sqlite3_value_type(argv[0]))==SQLITE_FLOAT @@ -22609,7 +24813,7 @@ static int isDate( for(i=1; iisError || !validJulianDay(p->iJD) ) return 1; @@ -22639,6 +24843,28 @@ static void juliandayFunc( } } +/* +** unixepoch( TIMESTRING, MOD, MOD, ...) +** +** Return the number of seconds (including fractional seconds) since +** the unix epoch of 1970-01-01 00:00:00 GMT. +*/ +static void unixepochFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + DateTime x; + if( isDate(context, argc, argv, &x)==0 ){ + computeJD(&x); + if( x.useSubsec ){ + sqlite3_result_double(context, (x.iJD - 21086676*(i64)10000000)/1000.0); + }else{ + sqlite3_result_int64(context, x.iJD/1000 - 21086676*(i64)10000); + } + } +} + /* ** datetime( TIMESTRING, MOD, MOD, ...) ** @@ -22651,11 +24877,51 @@ static void datetimeFunc( ){ DateTime x; if( isDate(context, argc, argv, &x)==0 ){ - char zBuf[100]; + int Y, s, n; + char zBuf[32]; computeYMD_HMS(&x); - sqlite3_snprintf(sizeof(zBuf), zBuf, "%04d-%02d-%02d %02d:%02d:%02d", - x.Y, x.M, x.D, x.h, x.m, (int)(x.s)); - sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); + Y = x.Y; + if( Y<0 ) Y = -Y; + zBuf[1] = '0' + (Y/1000)%10; + zBuf[2] = '0' + (Y/100)%10; + zBuf[3] = '0' + (Y/10)%10; + zBuf[4] = '0' + (Y)%10; + zBuf[5] = '-'; + zBuf[6] = '0' + (x.M/10)%10; + zBuf[7] = '0' + (x.M)%10; + zBuf[8] = '-'; + zBuf[9] = '0' + (x.D/10)%10; + zBuf[10] = '0' + (x.D)%10; + zBuf[11] = ' '; + zBuf[12] = '0' + (x.h/10)%10; + zBuf[13] = '0' + (x.h)%10; + zBuf[14] = ':'; + zBuf[15] = '0' + (x.m/10)%10; + zBuf[16] = '0' + (x.m)%10; + zBuf[17] = ':'; + if( x.useSubsec ){ + s = (int)(1000.0*x.s + 0.5); + zBuf[18] = '0' + (s/10000)%10; + zBuf[19] = '0' + (s/1000)%10; + zBuf[20] = '.'; + zBuf[21] = '0' + (s/100)%10; + zBuf[22] = '0' + (s/10)%10; + zBuf[23] = '0' + (s)%10; + zBuf[24] = 0; + n = 24; + }else{ + s = (int)x.s; + zBuf[18] = '0' + (s/10)%10; + zBuf[19] = '0' + (s)%10; + zBuf[20] = 0; + n = 20; + } + if( x.Y<0 ){ + zBuf[0] = '-'; + sqlite3_result_text(context, zBuf, n, SQLITE_TRANSIENT); + }else{ + sqlite3_result_text(context, &zBuf[1], n-1, SQLITE_TRANSIENT); + } } } @@ -22671,10 +24937,33 @@ static void timeFunc( ){ DateTime x; if( isDate(context, argc, argv, &x)==0 ){ - char zBuf[100]; + int s, n; + char zBuf[16]; computeHMS(&x); - sqlite3_snprintf(sizeof(zBuf), zBuf, "%02d:%02d:%02d", x.h, x.m, (int)x.s); - sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); + zBuf[0] = '0' + (x.h/10)%10; + zBuf[1] = '0' + (x.h)%10; + zBuf[2] = ':'; + zBuf[3] = '0' + (x.m/10)%10; + zBuf[4] = '0' + (x.m)%10; + zBuf[5] = ':'; + if( x.useSubsec ){ + s = (int)(1000.0*x.s + 0.5); + zBuf[6] = '0' + (s/10000)%10; + zBuf[7] = '0' + (s/1000)%10; + zBuf[8] = '.'; + zBuf[9] = '0' + (s/100)%10; + zBuf[10] = '0' + (s/10)%10; + zBuf[11] = '0' + (s)%10; + zBuf[12] = 0; + n = 12; + }else{ + s = (int)x.s; + zBuf[6] = '0' + (s/10)%10; + zBuf[7] = '0' + (s)%10; + zBuf[8] = 0; + n = 8; + } + sqlite3_result_text(context, zBuf, n, SQLITE_TRANSIENT); } } @@ -22690,10 +24979,28 @@ static void dateFunc( ){ DateTime x; if( isDate(context, argc, argv, &x)==0 ){ - char zBuf[100]; + int Y; + char zBuf[16]; computeYMD(&x); - sqlite3_snprintf(sizeof(zBuf), zBuf, "%04d-%02d-%02d", x.Y, x.M, x.D); - sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); + Y = x.Y; + if( Y<0 ) Y = -Y; + zBuf[1] = '0' + (Y/1000)%10; + zBuf[2] = '0' + (Y/100)%10; + zBuf[3] = '0' + (Y/10)%10; + zBuf[4] = '0' + (Y)%10; + zBuf[5] = '-'; + zBuf[6] = '0' + (x.M/10)%10; + zBuf[7] = '0' + (x.M)%10; + zBuf[8] = '-'; + zBuf[9] = '0' + (x.D/10)%10; + zBuf[10] = '0' + (x.D)%10; + zBuf[11] = 0; + if( x.Y<0 ){ + zBuf[0] = '-'; + sqlite3_result_text(context, zBuf, 11, SQLITE_TRANSIENT); + }else{ + sqlite3_result_text(context, &zBuf[1], 10, SQLITE_TRANSIENT); + } } } @@ -22711,7 +25018,7 @@ static void dateFunc( ** %M minute 00-59 ** %s seconds since 1970-01-01 ** %S seconds 00-59 -** %w day of week 0-6 sunday==0 +** %w day of week 0-6 Sunday==0 ** %W week of year 00-53 ** %Y year 0000-9999 ** %% % @@ -22722,131 +25029,105 @@ static void strftimeFunc( sqlite3_value **argv ){ DateTime x; - u64 n; size_t i,j; - char *z; sqlite3 *db; const char *zFmt; - char zBuf[100]; + sqlite3_str sRes; + + if( argc==0 ) return; zFmt = (const char*)sqlite3_value_text(argv[0]); if( zFmt==0 || isDate(context, argc-1, argv+1, &x) ) return; db = sqlite3_context_db_handle(context); - for(i=0, n=1; zFmt[i]; i++, n++){ - if( zFmt[i]=='%' ){ - switch( zFmt[i+1] ){ - case 'd': - case 'H': - case 'm': - case 'M': - case 'S': - case 'W': - n++; - /* fall thru */ - case 'w': - case '%': - break; - case 'f': - n += 8; - break; - case 'j': - n += 3; - break; - case 'Y': - n += 8; - break; - case 's': - case 'J': - n += 50; - break; - default: - return; /* ERROR. return a NULL */ - } - i++; - } - } - testcase( n==sizeof(zBuf)-1 ); - testcase( n==sizeof(zBuf) ); - testcase( n==(u64)db->aLimit[SQLITE_LIMIT_LENGTH]+1 ); - testcase( n==(u64)db->aLimit[SQLITE_LIMIT_LENGTH] ); - if( n(u64)db->aLimit[SQLITE_LIMIT_LENGTH] ){ - sqlite3_result_error_toobig(context); - return; - }else{ - z = sqlite3DbMallocRawNN(db, (int)n); - if( z==0 ){ - sqlite3_result_error_nomem(context); - return; - } - } + sqlite3StrAccumInit(&sRes, 0, 0, 0, db->aLimit[SQLITE_LIMIT_LENGTH]); + computeJD(&x); computeYMD_HMS(&x); for(i=j=0; zFmt[i]; i++){ - if( zFmt[i]!='%' ){ - z[j++] = zFmt[i]; - }else{ - i++; - switch( zFmt[i] ){ - case 'd': sqlite3_snprintf(3, &z[j],"%02d",x.D); j+=2; break; - case 'f': { - double s = x.s; - if( s>59.999 ) s = 59.999; - sqlite3_snprintf(7, &z[j],"%06.3f", s); - j += sqlite3Strlen30(&z[j]); - break; - } - case 'H': sqlite3_snprintf(3, &z[j],"%02d",x.h); j+=2; break; - case 'W': /* Fall thru */ - case 'j': { - int nDay; /* Number of days since 1st day of year */ - DateTime y = x; - y.validJD = 0; - y.M = 1; - y.D = 1; - computeJD(&y); - nDay = (int)((x.iJD-y.iJD+43200000)/86400000); - if( zFmt[i]=='W' ){ - int wd; /* 0=Monday, 1=Tuesday, ... 6=Sunday */ - wd = (int)(((x.iJD+43200000)/86400000)%7); - sqlite3_snprintf(3, &z[j],"%02d",(nDay+7-wd)/7); - j += 2; - }else{ - sqlite3_snprintf(4, &z[j],"%03d",nDay+1); - j += 3; - } - break; - } - case 'J': { - sqlite3_snprintf(20, &z[j],"%.16g",x.iJD/86400000.0); - j+=sqlite3Strlen30(&z[j]); - break; + if( zFmt[i]!='%' ) continue; + if( j59.999 ) s = 59.999; + sqlite3_str_appendf(&sRes, "%06.3f", s); + break; + } + case 'H': { + sqlite3_str_appendf(&sRes, "%02d", x.h); + break; + } + case 'W': /* Fall thru */ + case 'j': { + int nDay; /* Number of days since 1st day of year */ + DateTime y = x; + y.validJD = 0; + y.M = 1; + y.D = 1; + computeJD(&y); + nDay = (int)((x.iJD-y.iJD+43200000)/86400000); + if( zFmt[i]=='W' ){ + int wd; /* 0=Monday, 1=Tuesday, ... 6=Sunday */ + wd = (int)(((x.iJD+43200000)/86400000)%7); + sqlite3_str_appendf(&sRes,"%02d",(nDay+7-wd)/7); + }else{ + sqlite3_str_appendf(&sRes,"%03d",nDay+1); } - case 'm': sqlite3_snprintf(3, &z[j],"%02d",x.M); j+=2; break; - case 'M': sqlite3_snprintf(3, &z[j],"%02d",x.m); j+=2; break; - case 's': { + break; + } + case 'J': { + sqlite3_str_appendf(&sRes,"%.16g",x.iJD/86400000.0); + break; + } + case 'm': { + sqlite3_str_appendf(&sRes,"%02d",x.M); + break; + } + case 'M': { + sqlite3_str_appendf(&sRes,"%02d",x.m); + break; + } + case 's': { + if( x.useSubsec ){ + sqlite3_str_appendf(&sRes,"%.3f", + (x.iJD - 21086676*(i64)10000000)/1000.0); + }else{ i64 iS = (i64)(x.iJD/1000 - 21086676*(i64)10000); - sqlite3Int64ToText(iS, &z[j]); - j += sqlite3Strlen30(&z[j]); - break; - } - case 'S': sqlite3_snprintf(3,&z[j],"%02d",(int)x.s); j+=2; break; - case 'w': { - z[j++] = (char)(((x.iJD+129600000)/86400000) % 7) + '0'; - break; + sqlite3_str_appendf(&sRes,"%lld",iS); } - case 'Y': { - sqlite3_snprintf(5,&z[j],"%04d",x.Y); j+=sqlite3Strlen30(&z[j]); - break; - } - default: z[j++] = '%'; break; + break; + } + case 'S': { + sqlite3_str_appendf(&sRes,"%02d",(int)x.s); + break; + } + case 'w': { + sqlite3_str_appendchar(&sRes, 1, + (char)(((x.iJD+129600000)/86400000) % 7) + '0'); + break; + } + case 'Y': { + sqlite3_str_appendf(&sRes,"%04d",x.Y); + break; + } + case '%': { + sqlite3_str_appendchar(&sRes, 1, '%'); + break; + } + default: { + sqlite3_str_reset(&sRes); + return; } } } - z[j] = 0; - sqlite3_result_text(context, z, -1, - z==zBuf ? SQLITE_TRANSIENT : SQLITE_DYNAMIC); + if( j=d2.iJD ){ + sign = '+'; + Y = d1.Y - d2.Y; + if( Y ){ + d2.Y = d1.Y; + d2.validJD = 0; + computeJD(&d2); + } + M = d1.M - d2.M; + if( M<0 ){ + Y--; + M += 12; + } + if( M!=0 ){ + d2.M = d1.M; + d2.validJD = 0; + computeJD(&d2); + } + while( d1.iJDd2.iJD ){ + M--; + if( M<0 ){ + M = 11; + Y--; + } + d2.M++; + if( d2.M>12 ){ + d2.M = 1; + d2.Y++; + } + d2.validJD = 0; + computeJD(&d2); + } + d1.iJD = d2.iJD - d1.iJD; + d1.iJD += (u64)1486995408 * (u64)100000; + } + d1.validYMD = 0; + d1.validHMS = 0; + d1.validTZ = 0; + computeYMD_HMS(&d1); + sqlite3StrAccumInit(&sRes, 0, 0, 0, 100); + sqlite3_str_appendf(&sRes, "%c%04d-%02d-%02d %02d:%02d:%06.3f", + sign, Y, M, d1.D-1, d1.h, d1.m, d1.s); + sqlite3ResultStrAccum(context, &sRes); +} + + /* ** current_timestamp() ** @@ -22946,10 +25338,12 @@ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ static FuncDef aDateTimeFuncs[] = { #ifndef SQLITE_OMIT_DATETIME_FUNCS PURE_DATE(julianday, -1, 0, 0, juliandayFunc ), + PURE_DATE(unixepoch, -1, 0, 0, unixepochFunc ), PURE_DATE(date, -1, 0, 0, dateFunc ), PURE_DATE(time, -1, 0, 0, timeFunc ), PURE_DATE(datetime, -1, 0, 0, datetimeFunc ), PURE_DATE(strftime, -1, 0, 0, strftimeFunc ), + PURE_DATE(timediff, 2, 0, 0, timediffFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), @@ -23072,9 +25466,11 @@ SQLITE_PRIVATE int sqlite3OsFileSize(sqlite3_file *id, i64 *pSize){ } SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file *id, int lockType){ DO_OS_MALLOC_TEST(id); + assert( lockType>=SQLITE_LOCK_SHARED && lockType<=SQLITE_LOCK_EXCLUSIVE ); return id->pMethods->xLock(id, lockType); } SQLITE_PRIVATE int sqlite3OsUnlock(sqlite3_file *id, int lockType){ + assert( lockType==SQLITE_LOCK_NONE || lockType==SQLITE_LOCK_SHARED ); return id->pMethods->xUnlock(id, lockType); } SQLITE_PRIVATE int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut){ @@ -23095,17 +25491,24 @@ SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){ #ifdef SQLITE_TEST if( op!=SQLITE_FCNTL_COMMIT_PHASETWO && op!=SQLITE_FCNTL_LOCK_TIMEOUT + && op!=SQLITE_FCNTL_CKPT_DONE + && op!=SQLITE_FCNTL_CKPT_START ){ /* Faults are not injected into COMMIT_PHASETWO because, assuming SQLite ** is using a regular VFS, it is called after the corresponding ** transaction has been committed. Injecting a fault at this point - ** confuses the test scripts - the COMMIT comand returns SQLITE_NOMEM + ** confuses the test scripts - the COMMIT command returns SQLITE_NOMEM ** but the transaction is committed anyway. ** ** The core must call OsFileControl() though, not OsFileControlHint(), ** as if a custom VFS (e.g. zipvfs) returns an error here, it probably ** means the commit really has failed and an error should be returned - ** to the user. */ + ** to the user. + ** + ** The CKPT_DONE and CKPT_START file-controls are write-only signals + ** to the cksumvfs. Their return code is meaningless and is ignored + ** by the SQLite core, so there is no point in simulating OOMs for them. + */ DO_OS_MALLOC_TEST(id); } #endif @@ -23120,6 +25523,7 @@ SQLITE_PRIVATE int sqlite3OsSectorSize(sqlite3_file *id){ return (xSectorSize ? xSectorSize(id) : SQLITE_DEFAULT_SECTOR_SIZE); } SQLITE_PRIVATE int sqlite3OsDeviceCharacteristics(sqlite3_file *id){ + if( NEVER(id->pMethods==0) ) return 0; return id->pMethods->xDeviceCharacteristics(id); } #ifndef SQLITE_OMIT_WAL @@ -23181,6 +25585,7 @@ SQLITE_PRIVATE int sqlite3OsOpen( ** down into the VFS layer. Some SQLITE_OPEN_ flags (for example, ** SQLITE_OPEN_FULLMUTEX or SQLITE_OPEN_SHAREDCACHE) are blocked before ** reaching the VFS. */ + assert( zPath || (flags & SQLITE_OPEN_EXCLUSIVE) ); rc = pVfs->xOpen(pVfs, zPath, pFile, flags & 0x1087f7f, pFlagsOut); assert( rc==SQLITE_OK || pFile->pMethods==0 ); return rc; @@ -23188,7 +25593,7 @@ SQLITE_PRIVATE int sqlite3OsOpen( SQLITE_PRIVATE int sqlite3OsDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){ DO_OS_MALLOC_TEST(0); assert( dirSync==0 || dirSync==1 ); - return pVfs->xDelete(pVfs, zPath, dirSync); + return pVfs->xDelete!=0 ? pVfs->xDelete(pVfs, zPath, dirSync) : SQLITE_OK; } SQLITE_PRIVATE int sqlite3OsAccess( sqlite3_vfs *pVfs, @@ -23211,6 +25616,8 @@ SQLITE_PRIVATE int sqlite3OsFullPathname( } #ifndef SQLITE_OMIT_LOAD_EXTENSION SQLITE_PRIVATE void *sqlite3OsDlOpen(sqlite3_vfs *pVfs, const char *zPath){ + assert( zPath!=0 ); + assert( strlen(zPath)<=SQLITE_MAX_PATHLEN ); /* tag-20210611-1 */ return pVfs->xDlOpen(pVfs, zPath); } SQLITE_PRIVATE void sqlite3OsDlError(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ @@ -23272,12 +25679,15 @@ SQLITE_PRIVATE int sqlite3OsOpenMalloc( rc = sqlite3OsOpen(pVfs, zFile, pFile, flags, pOutFlags); if( rc!=SQLITE_OK ){ sqlite3_free(pFile); + *ppFile = 0; }else{ *ppFile = pFile; } }else{ + *ppFile = 0; rc = SQLITE_NOMEM_BKPT; } + assert( *ppFile!=0 || rc!=SQLITE_OK ); return rc; } SQLITE_PRIVATE void sqlite3OsCloseFree(sqlite3_file *pFile){ @@ -23708,7 +26118,7 @@ static void *sqlite3MemMalloc(int nByte){ ** or sqlite3MemRealloc(). ** ** For this low-level routine, we already know that pPrior!=0 since -** cases where pPrior==0 will have been intecepted and dealt with +** cases where pPrior==0 will have been intercepted and dealt with ** by higher-level routines. */ static void sqlite3MemFree(void *pPrior){ @@ -23796,7 +26206,7 @@ static int sqlite3MemInit(void *NotUsed){ return SQLITE_OK; } len = sizeof(cpuCount); - /* One usually wants to use hw.acctivecpu for MT decisions, but not here */ + /* One usually wants to use hw.activecpu for MT decisions, but not here */ sysctlbyname("hw.ncpu", &cpuCount, &len, NULL, 0); if( cpuCount>1 ){ /* defer MT decisions to system malloc */ @@ -23995,7 +26405,7 @@ static void adjustStats(int iSize, int increment){ ** This routine checks the guards at either end of the allocation and ** if they are incorrect it asserts. */ -static struct MemBlockHdr *sqlite3MemsysGetHeader(void *pAllocation){ +static struct MemBlockHdr *sqlite3MemsysGetHeader(const void *pAllocation){ struct MemBlockHdr *p; int *pInt; u8 *pU8; @@ -24242,7 +26652,7 @@ SQLITE_PRIVATE void sqlite3MemdebugSetType(void *p, u8 eType){ ** ** assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); */ -SQLITE_PRIVATE int sqlite3MemdebugHasType(void *p, u8 eType){ +SQLITE_PRIVATE int sqlite3MemdebugHasType(const void *p, u8 eType){ int rc = 1; if( p && sqlite3GlobalConfig.m.xFree==sqlite3MemFree ){ struct MemBlockHdr *pHdr; @@ -24264,7 +26674,7 @@ SQLITE_PRIVATE int sqlite3MemdebugHasType(void *p, u8 eType){ ** ** assert( sqlite3MemdebugNoType(p, MEMTYPE_LOOKASIDE) ); */ -SQLITE_PRIVATE int sqlite3MemdebugNoType(void *p, u8 eType){ +SQLITE_PRIVATE int sqlite3MemdebugNoType(const void *p, u8 eType){ int rc = 1; if( p && sqlite3GlobalConfig.m.xFree==sqlite3MemFree ){ struct MemBlockHdr *pHdr; @@ -25487,8 +27897,17 @@ static void *memsys5Realloc(void *pPrior, int nBytes){ */ static int memsys5Roundup(int n){ int iFullSz; - if( n > 0x40000000 ) return 0; - for(iFullSz=mem5.szAtom; iFullSz0x10000000 ){ + if( n>0x40000000 ) return 0; + if( n>0x20000000 ) return 0x40000000; + return 0x20000000; + } + for(iFullSz=mem5.szAtom*8; iFullSz=(i64)n ) return iFullSz/2; return iFullSz; } @@ -26254,7 +28673,7 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ /* ** The sqlite3_mutex.id, sqlite3_mutex.nRef, and sqlite3_mutex.owner fields -** are necessary under two condidtions: (1) Debug builds and (2) using +** are necessary under two conditions: (1) Debug builds and (2) using ** home-grown mutexes. Encapsulate these conditions into a single #define. */ #if defined(SQLITE_DEBUG) || defined(SQLITE_HOMEGROWN_RECURSIVE_MUTEX) @@ -26642,205 +29061,7 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ /* ** Include code that is common to all os_*.c files */ -/************** Include os_common.h in the middle of mutex_w32.c *************/ -/************** Begin file os_common.h ***************************************/ -/* -** 2004 May 22 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains macros and a little bit of code that is common to -** all of the platform-specific files (os_*.c) and is #included into those -** files. -** -** This file should be #included by the os_*.c files only. It is not a -** general purpose header file. -*/ -#ifndef _OS_COMMON_H_ -#define _OS_COMMON_H_ - -/* -** At least two bugs have slipped in because we changed the MEMORY_DEBUG -** macro to SQLITE_DEBUG and some older makefiles have not yet made the -** switch. The following code should catch this problem at compile-time. -*/ -#ifdef MEMORY_DEBUG -# error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead." -#endif - -/* -** Macros for performance tracing. Normally turned off. Only works -** on i486 hardware. -*/ -#ifdef SQLITE_PERFORMANCE_TRACE - -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/************** Include hwtime.h in the middle of os_common.h ****************/ -/************** Begin file hwtime.h ******************************************/ -/* -** 2008 May 27 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains inline asm code for retrieving "high-performance" -** counters for x86 and x86_64 class CPUs. -*/ -#ifndef SQLITE_HWTIME_H -#define SQLITE_HWTIME_H - -/* -** The following routine only works on pentium-class (or newer) processors. -** It uses the RDTSC opcode to read the cycle count value out of the -** processor and returns that value. This can be used for high-res -** profiling. -*/ -#if !defined(__STRICT_ANSI__) && \ - (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) - - #if defined(__GNUC__) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned int lo, hi; - __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); - return (sqlite_uint64)hi << 32 | lo; - } - - #elif defined(_MSC_VER) - - __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ - __asm { - rdtsc - ret ; return value at EDX:EAX - } - } - - #endif - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long val; - __asm__ __volatile__ ("rdtsc" : "=A" (val)); - return val; - } - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long long retval; - unsigned long junk; - __asm__ __volatile__ ("\n\ - 1: mftbu %1\n\ - mftb %L0\n\ - mftbu %0\n\ - cmpw %0,%1\n\ - bne 1b" - : "=r" (retval), "=r" (junk)); - return retval; - } - -#else - - /* - ** asm() is needed for hardware timing support. Without asm(), - ** disable the sqlite3Hwtime() routine. - ** - ** sqlite3Hwtime() is only used for some obscure debugging - ** and analysis configurations, not in any deliverable, so this - ** should not be a great loss. - */ -SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } - -#endif - -#endif /* !defined(SQLITE_HWTIME_H) */ - -/************** End of hwtime.h **********************************************/ -/************** Continuing where we left off in os_common.h ******************/ - -static sqlite_uint64 g_start; -static sqlite_uint64 g_elapsed; -#define TIMER_START g_start=sqlite3Hwtime() -#define TIMER_END g_elapsed=sqlite3Hwtime()-g_start -#define TIMER_ELAPSED g_elapsed -#else -#define TIMER_START -#define TIMER_END -#define TIMER_ELAPSED ((sqlite_uint64)0) -#endif - -/* -** If we compile with the SQLITE_TEST macro set, then the following block -** of code will give us the ability to simulate a disk I/O error. This -** is used for testing the I/O recovery logic. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_io_error_hit; -SQLITE_API extern int sqlite3_io_error_hardhit; -SQLITE_API extern int sqlite3_io_error_pending; -SQLITE_API extern int sqlite3_io_error_persist; -SQLITE_API extern int sqlite3_io_error_benign; -SQLITE_API extern int sqlite3_diskfull_pending; -SQLITE_API extern int sqlite3_diskfull; -#define SimulateIOErrorBenign(X) sqlite3_io_error_benign=(X) -#define SimulateIOError(CODE) \ - if( (sqlite3_io_error_persist && sqlite3_io_error_hit) \ - || sqlite3_io_error_pending-- == 1 ) \ - { local_ioerr(); CODE; } -static void local_ioerr(){ - IOTRACE(("IOERR\n")); - sqlite3_io_error_hit++; - if( !sqlite3_io_error_benign ) sqlite3_io_error_hardhit++; -} -#define SimulateDiskfullError(CODE) \ - if( sqlite3_diskfull_pending ){ \ - if( sqlite3_diskfull_pending == 1 ){ \ - local_ioerr(); \ - sqlite3_diskfull = 1; \ - sqlite3_io_error_hit = 1; \ - CODE; \ - }else{ \ - sqlite3_diskfull_pending--; \ - } \ - } -#else -#define SimulateIOErrorBenign(X) -#define SimulateIOError(A) -#define SimulateDiskfullError(A) -#endif /* defined(SQLITE_TEST) */ - -/* -** When testing, keep a count of the number of open files. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_open_file_count; -#define OpenCounter(X) sqlite3_open_file_count+=(X) -#else -#define OpenCounter(X) -#endif /* defined(SQLITE_TEST) */ - -#endif /* !defined(_OS_COMMON_H_) */ - -/************** End of os_common.h *******************************************/ -/************** Continuing where we left off in mutex_w32.c ******************/ +/* #include "os_common.h" */ /* ** Include the header file for the Windows VFS. @@ -26953,7 +29174,7 @@ struct sqlite3_mutex { CRITICAL_SECTION mutex; /* Mutex controlling the lock */ int id; /* Mutex type */ #ifdef SQLITE_DEBUG - volatile int nRef; /* Number of enterances */ + volatile int nRef; /* Number of entrances */ volatile DWORD owner; /* Thread holding this mutex */ volatile LONG trace; /* True to trace changes */ #endif @@ -27478,7 +29699,6 @@ SQLITE_PRIVATE int sqlite3MallocInit(void){ if( sqlite3GlobalConfig.m.xMalloc==0 ){ sqlite3MemSetDefault(); } - memset(&mem0, 0, sizeof(mem0)); mem0.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MEM); if( sqlite3GlobalConfig.pPage==0 || sqlite3GlobalConfig.szPage<512 || sqlite3GlobalConfig.nPage<=0 ){ @@ -27588,18 +29808,34 @@ static void mallocWithAlarm(int n, void **pp){ *pp = p; } +/* +** Maximum size of any single memory allocation. +** +** This is not a limit on the total amount of memory used. This is +** a limit on the size parameter to sqlite3_malloc() and sqlite3_realloc(). +** +** The upper bound is slightly less than 2GiB: 0x7ffffeff == 2,147,483,391 +** This provides a 256-byte safety margin for defense against 32-bit +** signed integer overflow bugs when computing memory allocation sizes. +** Paranoid applications might want to reduce the maximum allocation size +** further for an even larger safety margin. 0x3fffffff or 0x0fffffff +** or even smaller would be reasonable upper bounds on the size of a memory +** allocations for most applications. +*/ +#ifndef SQLITE_MAX_ALLOCATION_SIZE +# define SQLITE_MAX_ALLOCATION_SIZE 2147483391 +#endif +#if SQLITE_MAX_ALLOCATION_SIZE>2147483391 +# error Maximum size for SQLITE_MAX_ALLOCATION_SIZE is 2147483391 +#endif + /* ** Allocate memory. This routine is like sqlite3_malloc() except that it ** assumes the memory subsystem has already been initialized. */ SQLITE_PRIVATE void *sqlite3Malloc(u64 n){ void *p; - if( n==0 || n>=0x7fffff00 ){ - /* A memory allocation of a number of bytes which is near the maximum - ** signed integer value might cause an integer overflow inside of the - ** xMalloc(). Hence we limit the maximum size to 0x7fffff00, giving - ** 255 bytes of overhead. SQLite itself will never use anything near - ** this amount. The only way to reach the limit is with sqlite3_malloc() */ + if( n==0 || n>SQLITE_MAX_ALLOCATION_SIZE ){ p = 0; }else if( sqlite3GlobalConfig.bMemstat ){ sqlite3_mutex_enter(mem0.mutex); @@ -27634,8 +29870,8 @@ SQLITE_API void *sqlite3_malloc64(sqlite3_uint64 n){ ** TRUE if p is a lookaside memory allocation from db */ #ifndef SQLITE_OMIT_LOOKASIDE -static int isLookaside(sqlite3 *db, void *p){ - return SQLITE_WITHIN(p, db->lookaside.pStart, db->lookaside.pEnd); +static int isLookaside(sqlite3 *db, const void *p){ + return SQLITE_WITHIN(p, db->lookaside.pStart, db->lookaside.pTrueEnd); } #else #define isLookaside(A,B) 0 @@ -27645,32 +29881,30 @@ static int isLookaside(sqlite3 *db, void *p){ ** Return the size of a memory allocation previously obtained from ** sqlite3Malloc() or sqlite3_malloc(). */ -SQLITE_PRIVATE int sqlite3MallocSize(void *p){ +SQLITE_PRIVATE int sqlite3MallocSize(const void *p){ assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); - return sqlite3GlobalConfig.m.xSize(p); + return sqlite3GlobalConfig.m.xSize((void*)p); } -static int lookasideMallocSize(sqlite3 *db, void *p){ +static int lookasideMallocSize(sqlite3 *db, const void *p){ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE return plookaside.pMiddle ? db->lookaside.szTrue : LOOKASIDE_SMALL; #else return db->lookaside.szTrue; #endif } -SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, void *p){ +SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, const void *p){ assert( p!=0 ); #ifdef SQLITE_DEBUG - if( db==0 || !isLookaside(db,p) ){ - if( db==0 ){ - assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) ); - assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); - }else{ - assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); - assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); - } + if( db==0 ){ + assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) ); + assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); + }else if( !isLookaside(db,p) ){ + assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); + assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); } #endif if( db ){ - if( ((uptr)p)<(uptr)(db->lookaside.pEnd) ){ + if( ((uptr)p)<(uptr)(db->lookaside.pTrueEnd) ){ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE if( ((uptr)p)>=(uptr)(db->lookaside.pMiddle) ){ assert( sqlite3_mutex_held(db->mutex) ); @@ -27683,7 +29917,7 @@ SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, void *p){ } } } - return sqlite3GlobalConfig.m.xSize(p); + return sqlite3GlobalConfig.m.xSize((void*)p); } SQLITE_API sqlite3_uint64 sqlite3_msize(void *p){ assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) ); @@ -27726,14 +29960,11 @@ SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3 *db, void *p){ assert( db==0 || sqlite3_mutex_held(db->mutex) ); assert( p!=0 ); if( db ){ - if( db->pnBytesFreed ){ - measureAllocationSize(db, p); - return; - } if( ((uptr)p)<(uptr)(db->lookaside.pEnd) ){ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE if( ((uptr)p)>=(uptr)(db->lookaside.pMiddle) ){ LookasideSlot *pBuf = (LookasideSlot*)p; + assert( db->pnBytesFreed==0 ); #ifdef SQLITE_DEBUG memset(p, 0xaa, LOOKASIDE_SMALL); /* Trash freed content */ #endif @@ -27744,6 +29975,7 @@ SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3 *db, void *p){ #endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ if( ((uptr)p)>=(uptr)(db->lookaside.pStart) ){ LookasideSlot *pBuf = (LookasideSlot*)p; + assert( db->pnBytesFreed==0 ); #ifdef SQLITE_DEBUG memset(p, 0xaa, db->lookaside.szTrue); /* Trash freed content */ #endif @@ -27752,6 +29984,10 @@ SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3 *db, void *p){ return; } } + if( db->pnBytesFreed ){ + measureAllocationSize(db, p); + return; + } } assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); @@ -27759,6 +29995,43 @@ SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3 *db, void *p){ sqlite3MemdebugSetType(p, MEMTYPE_HEAP); sqlite3_free(p); } +SQLITE_PRIVATE void sqlite3DbNNFreeNN(sqlite3 *db, void *p){ + assert( db!=0 ); + assert( sqlite3_mutex_held(db->mutex) ); + assert( p!=0 ); + if( ((uptr)p)<(uptr)(db->lookaside.pEnd) ){ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( ((uptr)p)>=(uptr)(db->lookaside.pMiddle) ){ + LookasideSlot *pBuf = (LookasideSlot*)p; + assert( db->pnBytesFreed==0 ); +#ifdef SQLITE_DEBUG + memset(p, 0xaa, LOOKASIDE_SMALL); /* Trash freed content */ +#endif + pBuf->pNext = db->lookaside.pSmallFree; + db->lookaside.pSmallFree = pBuf; + return; + } +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ + if( ((uptr)p)>=(uptr)(db->lookaside.pStart) ){ + LookasideSlot *pBuf = (LookasideSlot*)p; + assert( db->pnBytesFreed==0 ); +#ifdef SQLITE_DEBUG + memset(p, 0xaa, db->lookaside.szTrue); /* Trash freed content */ +#endif + pBuf->pNext = db->lookaside.pFree; + db->lookaside.pFree = pBuf; + return; + } + } + if( db->pnBytesFreed ){ + measureAllocationSize(db, p); + return; + } + assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); + assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); + sqlite3MemdebugSetType(p, MEMTYPE_HEAP); + sqlite3_free(p); +} SQLITE_PRIVATE void sqlite3DbFree(sqlite3 *db, void *p){ assert( db==0 || sqlite3_mutex_held(db->mutex) ); if( p ) sqlite3DbFreeNN(db, p); @@ -27791,12 +30064,17 @@ SQLITE_PRIVATE void *sqlite3Realloc(void *pOld, u64 nBytes){ if( nOld==nNew ){ pNew = pOld; }else if( sqlite3GlobalConfig.bMemstat ){ + sqlite3_int64 nUsed; sqlite3_mutex_enter(mem0.mutex); sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes); nDiff = nNew - nOld; - if( nDiff>0 && sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >= + if( nDiff>0 && (nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED)) >= mem0.alarmThreshold-nDiff ){ sqlite3MallocAlarm(nDiff); + if( mem0.hardLimit>0 && nUsed >= mem0.hardLimit - nDiff ){ + sqlite3_mutex_leave(mem0.mutex); + return 0; + } } pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew); #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT @@ -28053,9 +30331,14 @@ SQLITE_PRIVATE char *sqlite3DbStrNDup(sqlite3 *db, const char *z, u64 n){ */ SQLITE_PRIVATE char *sqlite3DbSpanDup(sqlite3 *db, const char *zStart, const char *zEnd){ int n; +#ifdef SQLITE_DEBUG + /* Because of the way the parser works, the span is guaranteed to contain + ** at least one non-space character */ + for(n=0; sqlite3Isspace(zStart[n]); n++){ assert( &zStart[n]0) && sqlite3Isspace(zStart[n-1]) ) n--; + while( sqlite3Isspace(zStart[n-1]) ) n--; return sqlite3DbStrNDup(db, zStart, n); } @@ -28063,8 +30346,9 @@ SQLITE_PRIVATE char *sqlite3DbSpanDup(sqlite3 *db, const char *zStart, const cha ** Free any prior content in *pz and replace it with a copy of zNew. */ SQLITE_PRIVATE void sqlite3SetString(char **pz, sqlite3 *db, const char *zNew){ + char *z = sqlite3DbStrDup(db, zNew); sqlite3DbFree(db, *pz); - *pz = sqlite3DbStrDup(db, zNew); + *pz = z; } /* @@ -28072,8 +30356,15 @@ SQLITE_PRIVATE void sqlite3SetString(char **pz, sqlite3 *db, const char *zNew){ ** has happened. This routine will set db->mallocFailed, and also ** temporarily disable the lookaside memory allocator and interrupt ** any running VDBEs. +** +** Always return a NULL pointer so that this routine can be invoked using +** +** return sqlite3OomFault(db); +** +** and thereby avoid unnecessary stack frame allocations for the overwhelmingly +** common case where no OOM occurs. */ -SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){ +SQLITE_PRIVATE void *sqlite3OomFault(sqlite3 *db){ if( db->mallocFailed==0 && db->bBenignMalloc==0 ){ db->mallocFailed = 1; if( db->nVdbeExec>0 ){ @@ -28081,9 +30372,16 @@ SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){ } DisableLookaside; if( db->pParse ){ + Parse *pParse; + sqlite3ErrorMsg(db->pParse, "out of memory"); db->pParse->rc = SQLITE_NOMEM_BKPT; + for(pParse=db->pParse->pOuterParse; pParse; pParse = pParse->pOuterParse){ + pParse->nErr++; + pParse->rc = SQLITE_NOMEM; + } } } + return 0; } /* @@ -28103,12 +30401,15 @@ SQLITE_PRIVATE void sqlite3OomClear(sqlite3 *db){ } /* -** Take actions at the end of an API call to indicate an OOM error +** Take actions at the end of an API call to deal with error codes. */ -static SQLITE_NOINLINE int apiOomError(sqlite3 *db){ - sqlite3OomClear(db); - sqlite3Error(db, SQLITE_NOMEM); - return SQLITE_NOMEM_BKPT; +static SQLITE_NOINLINE int apiHandleError(sqlite3 *db, int rc){ + if( db->mallocFailed || rc==SQLITE_IOERR_NOMEM ){ + sqlite3OomClear(db); + sqlite3Error(db, SQLITE_NOMEM); + return SQLITE_NOMEM_BKPT; + } + return rc & db->errMask; } /* @@ -28130,8 +30431,8 @@ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){ */ assert( db!=0 ); assert( sqlite3_mutex_held(db->mutex) ); - if( db->mallocFailed || rc==SQLITE_IOERR_NOMEM ){ - return apiOomError(db); + if( db->mallocFailed || rc ){ + return apiHandleError(db, rc); } return rc & db->errMask; } @@ -28169,7 +30470,7 @@ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){ #define etSQLESCAPE2 10 /* Strings with '\'' doubled and enclosed in '', NULL pointers replaced by SQL NULL. %Q */ #define etTOKEN 11 /* a pointer to a Token structure */ -#define etSRCLIST 12 /* a pointer to a SrcList */ +#define etSRCITEM 12 /* a pointer to a SrcItem */ #define etPOINTER 13 /* The %p conversion */ #define etSQLESCAPE3 14 /* %w -> Strings with '\"' doubled */ #define etORDINAL 15 /* %r -> 1st, 2nd, 3rd, 4th, etc. English only */ @@ -28235,51 +30536,20 @@ static const et_info fmtinfo[] = { /* All the rest are undocumented and are for internal use only */ { 'T', 0, 0, etTOKEN, 0, 0 }, - { 'S', 0, 0, etSRCLIST, 0, 0 }, + { 'S', 0, 0, etSRCITEM, 0, 0 }, { 'r', 10, 1, etORDINAL, 0, 0 }, }; -/* Floating point constants used for rounding */ -static const double arRound[] = { - 5.0e-01, 5.0e-02, 5.0e-03, 5.0e-04, 5.0e-05, - 5.0e-06, 5.0e-07, 5.0e-08, 5.0e-09, 5.0e-10, -}; - -/* -** If SQLITE_OMIT_FLOATING_POINT is defined, then none of the floating point -** conversions will work. -*/ -#ifndef SQLITE_OMIT_FLOATING_POINT -/* -** "*val" is a double such that 0.1 <= *val < 10.0 -** Return the ascii code for the leading digit of *val, then -** multiply "*val" by 10.0 to renormalize. +/* Notes: ** -** Example: -** input: *val = 3.14159 -** output: *val = 1.4159 function return = '3' -** -** The counter *cnt is incremented each time. After counter exceeds -** 16 (the number of significant digits in a 64-bit float) '0' is -** always returned. -*/ -static char et_getdigit(LONGDOUBLE_TYPE *val, int *cnt){ - int digit; - LONGDOUBLE_TYPE d; - if( (*cnt)<=0 ) return '0'; - (*cnt)--; - digit = (int)*val; - d = digit; - digit += '0'; - *val = (*val - d)*10.0; - return (char)digit; -} -#endif /* SQLITE_OMIT_FLOATING_POINT */ +** %S Takes a pointer to SrcItem. Shows name or database.name +** %!S Like %S but prefer the zName over the zAlias +*/ /* ** Set the StrAccum object to an error mode. */ -static void setStrAccumError(StrAccum *p, u8 eError){ +SQLITE_PRIVATE void sqlite3StrAccumSetError(StrAccum *p, u8 eError){ assert( eError==SQLITE_NOMEM || eError==SQLITE_TOOBIG ); p->accError = eError; if( p->mxAlloc ) sqlite3_str_reset(p); @@ -28315,12 +30585,12 @@ static char *printfTempBuf(sqlite3_str *pAccum, sqlite3_int64 n){ char *z; if( pAccum->accError ) return 0; if( n>pAccum->nAlloc && n>pAccum->mxAlloc ){ - setStrAccumError(pAccum, SQLITE_TOOBIG); + sqlite3StrAccumSetError(pAccum, SQLITE_TOOBIG); return 0; } z = sqlite3DbMallocRaw(pAccum->db, n); if( z==0 ){ - setStrAccumError(pAccum, SQLITE_NOMEM); + sqlite3StrAccumSetError(pAccum, SQLITE_NOMEM); } return z; } @@ -28367,18 +30637,15 @@ SQLITE_API void sqlite3_str_vappendf( u8 bArgList; /* True for SQLITE_PRINTF_SQLFUNC */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ sqlite_uint64 longvalue; /* Value for integer types */ - LONGDOUBLE_TYPE realvalue; /* Value for real types */ + double realvalue; /* Value for real types */ const et_info *infop; /* Pointer to the appropriate info structure */ char *zOut; /* Rendering buffer */ int nOut; /* Size of the rendering buffer */ char *zExtra = 0; /* Malloced memory used by some conversion */ -#ifndef SQLITE_OMIT_FLOATING_POINT - int exp, e2; /* exponent of real numbers */ - int nsd; /* Number of significant digits returned */ - double rounder; /* Used for rounding floating point values */ + int exp, e2; /* exponent of real numbers */ etByte flag_dp; /* True if decimal point should be shown */ etByte flag_rtz; /* True if trailing zeros should be removed */ -#endif + PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */ char buf[etBUFSIZE]; /* Conversion buffer */ @@ -28567,11 +30834,10 @@ SQLITE_API void sqlite3_str_vappendf( v = va_arg(ap,int); } if( v<0 ){ - if( v==SMALLEST_INT64 ){ - longvalue = ((u64)1)<<63; - }else{ - longvalue = -v; - } + testcase( v==SMALLEST_INT64 ); + testcase( v==(-1) ); + longvalue = ~v; + longvalue++; prefix = '-'; }else{ longvalue = v; @@ -28654,73 +30920,66 @@ SQLITE_API void sqlite3_str_vappendf( break; case etFLOAT: case etEXP: - case etGENERIC: + case etGENERIC: { + FpDecode s; + int iRound; + int j; + if( bArgList ){ realvalue = getDoubleArg(pArgList); }else{ realvalue = va_arg(ap,double); } -#ifdef SQLITE_OMIT_FLOATING_POINT - length = 0; -#else if( precision<0 ) precision = 6; /* Set default precision */ #ifdef SQLITE_FP_PRECISION_LIMIT if( precision>SQLITE_FP_PRECISION_LIMIT ){ precision = SQLITE_FP_PRECISION_LIMIT; } #endif - if( realvalue<0.0 ){ - realvalue = -realvalue; - prefix = '-'; - }else{ - prefix = flag_prefix; - } - if( xtype==etGENERIC && precision>0 ) precision--; - testcase( precision>0xfff ); - idx = precision & 0xfff; - rounder = arRound[idx%10]; - while( idx>=10 ){ rounder *= 1.0e-10; idx -= 10; } if( xtype==etFLOAT ){ - double rx = (double)realvalue; - sqlite3_uint64 u; - int ex; - memcpy(&u, &rx, sizeof(u)); - ex = -1023 + (int)((u>>52)&0x7ff); - if( precision+(ex/3) < 15 ) rounder += realvalue*3e-16; - realvalue += rounder; - } - /* Normalize realvalue to within 10.0 > realvalue >= 1.0 */ - exp = 0; - if( sqlite3IsNaN((double)realvalue) ){ - bufpt = "NaN"; - length = 3; - break; + iRound = -precision; + }else if( xtype==etGENERIC ){ + iRound = precision; + }else{ + iRound = precision+1; } - if( realvalue>0.0 ){ - LONGDOUBLE_TYPE scale = 1.0; - while( realvalue>=1e100*scale && exp<=350 ){ scale *= 1e100;exp+=100;} - while( realvalue>=1e10*scale && exp<=350 ){ scale *= 1e10; exp+=10; } - while( realvalue>=10.0*scale && exp<=350 ){ scale *= 10.0; exp++; } - realvalue /= scale; - while( realvalue<1e-8 ){ realvalue *= 1e8; exp-=8; } - while( realvalue<1.0 ){ realvalue *= 10.0; exp--; } - if( exp>350 ){ + sqlite3FpDecode(&s, realvalue, iRound, flag_altform2 ? 26 : 16); + if( s.isSpecial ){ + if( s.isSpecial==2 ){ + bufpt = flag_zeropad ? "null" : "NaN"; + length = sqlite3Strlen30(bufpt); + break; + }else if( flag_zeropad ){ + s.z[0] = '9'; + s.iDP = 1000; + s.n = 1; + }else{ + memcpy(buf, "-Inf", 5); bufpt = buf; - buf[0] = prefix; - memcpy(buf+(prefix!=0),"Inf",4); - length = 3+(prefix!=0); + if( s.sign=='-' ){ + /* no-op */ + }else if( flag_prefix ){ + buf[0] = flag_prefix; + }else{ + bufpt++; + } + length = sqlite3Strlen30(bufpt); break; } } - bufpt = buf; + if( s.sign=='-' ){ + prefix = '-'; + }else{ + prefix = flag_prefix; + } + + exp = s.iDP-1; + if( xtype==etGENERIC && precision>0 ) precision--; + /* ** If the field type is etGENERIC, then convert to either etEXP ** or etFLOAT, as appropriate. */ - if( xtype!=etFLOAT ){ - realvalue += rounder; - if( realvalue>=10.0 ){ realvalue *= 0.1; exp++; } - } if( xtype==etGENERIC ){ flag_rtz = !flag_alternateform; if( exp<-4 || exp>precision ){ @@ -28735,29 +30994,32 @@ SQLITE_API void sqlite3_str_vappendf( if( xtype==etEXP ){ e2 = 0; }else{ - e2 = exp; + e2 = s.iDP - 1; } + bufpt = buf; { i64 szBufNeeded; /* Size of a temporary buffer needed */ szBufNeeded = MAX(e2,0)+(i64)precision+(i64)width+15; + if( cThousand && e2>0 ) szBufNeeded += (e2+2)/3; if( szBufNeeded > etBUFSIZE ){ bufpt = zExtra = printfTempBuf(pAccum, szBufNeeded); if( bufpt==0 ) return; } } zOut = bufpt; - nsd = 16 + flag_altform2*10; flag_dp = (precision>0 ?1:0) | flag_alternateform | flag_altform2; /* The sign in front of the number */ if( prefix ){ *(bufpt++) = prefix; } /* Digits prior to the decimal point */ + j = 0; if( e2<0 ){ *(bufpt++) = '0'; }else{ for(; e2>=0; e2--){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); + *(bufpt++) = j1 ) *(bufpt++) = ','; } } /* The decimal point */ @@ -28766,13 +31028,12 @@ SQLITE_API void sqlite3_str_vappendf( } /* "0" digits after the decimal point but before the first ** significant digit of the number */ - for(e2++; e2<0; precision--, e2++){ - assert( precision>0 ); + for(e2++; e2<0 && precision>0; precision--, e2++){ *(bufpt++) = '0'; } /* Significant digits after the decimal point */ while( (precision--)>0 ){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); + *(bufpt++) = jcharset]; if( exp<0 ){ *(bufpt++) = '-'; exp = -exp; @@ -28821,8 +31083,8 @@ SQLITE_API void sqlite3_str_vappendf( while( nPad-- ) bufpt[i++] = '0'; length = width; } -#endif /* !defined(SQLITE_OMIT_FLOATING_POINT) */ break; + } case etSIZE: if( !bArgList ){ *(va_arg(ap,int*)) = pAccum->nChar; @@ -28871,13 +31133,26 @@ SQLITE_API void sqlite3_str_vappendf( } } if( precision>1 ){ + i64 nPrior = 1; width -= precision-1; if( width>1 && !flag_leftjustify ){ sqlite3_str_appendchar(pAccum, width-1, ' '); width = 0; } - while( precision-- > 1 ){ - sqlite3_str_append(pAccum, buf, length); + sqlite3_str_append(pAccum, buf, length); + precision--; + while( precision > 1 ){ + i64 nCopyBytes; + if( nPrior > precision-1 ) nPrior = precision - 1; + nCopyBytes = length*nPrior; + if( nCopyBytes + pAccum->nChar >= pAccum->nAlloc ){ + sqlite3StrAccumEnlarge(pAccum, nCopyBytes); + } + if( pAccum->accError ) break; + sqlite3_str_append(pAccum, + &pAccum->zText[pAccum->nChar-nCopyBytes], nCopyBytes); + precision -= nPrior; + nPrior *= 2; } } bufpt = buf; @@ -28938,8 +31213,8 @@ SQLITE_API void sqlite3_str_vappendf( case etSQLESCAPE: /* %q: Escape ' characters */ case etSQLESCAPE2: /* %Q: Escape ' and enclose in '...' */ case etSQLESCAPE3: { /* %w: Escape " characters */ - int i, j, k, n, isnull; - int needQuote; + i64 i, j, k, n; + int needQuote, isnull; char ch; char q = ((xtype==etSQLESCAPE3)?'"':'\''); /* Quote character */ char *escarg; @@ -28984,31 +31259,50 @@ SQLITE_API void sqlite3_str_vappendf( goto adjust_width_for_utf8; } case etTOKEN: { - Token *pToken; if( (pAccum->printfFlags & SQLITE_PRINTF_INTERNAL)==0 ) return; - pToken = va_arg(ap, Token*); - assert( bArgList==0 ); - if( pToken && pToken->n ){ - sqlite3_str_append(pAccum, (const char*)pToken->z, pToken->n); + if( flag_alternateform ){ + /* %#T means an Expr pointer that uses Expr.u.zToken */ + Expr *pExpr = va_arg(ap,Expr*); + if( ALWAYS(pExpr) && ALWAYS(!ExprHasProperty(pExpr,EP_IntValue)) ){ + sqlite3_str_appendall(pAccum, (const char*)pExpr->u.zToken); + sqlite3RecordErrorOffsetOfExpr(pAccum->db, pExpr); + } + }else{ + /* %T means a Token pointer */ + Token *pToken = va_arg(ap, Token*); + assert( bArgList==0 ); + if( pToken && pToken->n ){ + sqlite3_str_append(pAccum, (const char*)pToken->z, pToken->n); + sqlite3RecordErrorByteOffset(pAccum->db, pToken->z); + } } length = width = 0; break; } - case etSRCLIST: { - SrcList *pSrc; - int k; - struct SrcList_item *pItem; + case etSRCITEM: { + SrcItem *pItem; if( (pAccum->printfFlags & SQLITE_PRINTF_INTERNAL)==0 ) return; - pSrc = va_arg(ap, SrcList*); - k = va_arg(ap, int); - pItem = &pSrc->a[k]; + pItem = va_arg(ap, SrcItem*); assert( bArgList==0 ); - assert( k>=0 && knSrc ); - if( pItem->zDatabase ){ - sqlite3_str_appendall(pAccum, pItem->zDatabase); - sqlite3_str_append(pAccum, ".", 1); + if( pItem->zAlias && !flag_altform2 ){ + sqlite3_str_appendall(pAccum, pItem->zAlias); + }else if( pItem->zName ){ + if( pItem->zDatabase ){ + sqlite3_str_appendall(pAccum, pItem->zDatabase); + sqlite3_str_append(pAccum, ".", 1); + } + sqlite3_str_appendall(pAccum, pItem->zName); + }else if( pItem->zAlias ){ + sqlite3_str_appendall(pAccum, pItem->zAlias); + }else{ + Select *pSel = pItem->pSelect; + assert( pSel!=0 ); + if( pSel->selFlags & SF_NestedFrom ){ + sqlite3_str_appendf(pAccum, "(join-%u)", pSel->selId); + }else{ + sqlite3_str_appendf(pAccum, "(subquery-%u)", pSel->selId); + } } - sqlite3_str_appendall(pAccum, pItem->zName); length = width = 0; break; } @@ -29041,6 +31335,44 @@ SQLITE_API void sqlite3_str_vappendf( }/* End for loop over the format string */ } /* End of function */ + +/* +** The z string points to the first character of a token that is +** associated with an error. If db does not already have an error +** byte offset recorded, try to compute the error byte offset for +** z and set the error byte offset in db. +*/ +SQLITE_PRIVATE void sqlite3RecordErrorByteOffset(sqlite3 *db, const char *z){ + const Parse *pParse; + const char *zText; + const char *zEnd; + assert( z!=0 ); + if( NEVER(db==0) ) return; + if( db->errByteOffset!=(-2) ) return; + pParse = db->pParse; + if( NEVER(pParse==0) ) return; + zText =pParse->zTail; + if( NEVER(zText==0) ) return; + zEnd = &zText[strlen(zText)]; + if( SQLITE_WITHIN(z,zText,zEnd) ){ + db->errByteOffset = (int)(z-zText); + } +} + +/* +** If pExpr has a byte offset for the start of a token, record that as +** as the error offset. +*/ +SQLITE_PRIVATE void sqlite3RecordErrorOffsetOfExpr(sqlite3 *db, const Expr *pExpr){ + while( pExpr + && (ExprHasProperty(pExpr,EP_OuterON|EP_InnerON) || pExpr->w.iOfst<=0) + ){ + pExpr = pExpr->pLeft; + } + if( pExpr==0 ) return; + db->errByteOffset = pExpr->w.iOfst; +} + /* ** Enlarge the memory allocation on a StrAccum object so that it is ** able to accept at least N more bytes of text. @@ -29048,21 +31380,20 @@ SQLITE_API void sqlite3_str_vappendf( ** Return the number of bytes of text that StrAccum is able to accept ** after the attempted enlargement. The value returned might be zero. */ -static int sqlite3StrAccumEnlarge(StrAccum *p, int N){ +SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum *p, i64 N){ char *zNew; - assert( p->nChar+(i64)N >= p->nAlloc ); /* Only called if really needed */ + assert( p->nChar+N >= p->nAlloc ); /* Only called if really needed */ if( p->accError ){ testcase(p->accError==SQLITE_TOOBIG); testcase(p->accError==SQLITE_NOMEM); return 0; } if( p->mxAlloc==0 ){ - setStrAccumError(p, SQLITE_TOOBIG); + sqlite3StrAccumSetError(p, SQLITE_TOOBIG); return p->nAlloc - p->nChar - 1; }else{ char *zOld = isMalloced(p) ? p->zText : 0; - i64 szNew = p->nChar; - szNew += N + 1; + i64 szNew = p->nChar + N + 1; if( szNew+p->nChar<=p->mxAlloc ){ /* Force exponential buffer size growth as long as it does not overflow, ** to avoid having to call this routine too often */ @@ -29070,7 +31401,7 @@ static int sqlite3StrAccumEnlarge(StrAccum *p, int N){ } if( szNew > p->mxAlloc ){ sqlite3_str_reset(p); - setStrAccumError(p, SQLITE_TOOBIG); + sqlite3StrAccumSetError(p, SQLITE_TOOBIG); return 0; }else{ p->nAlloc = (int)szNew; @@ -29088,11 +31419,12 @@ static int sqlite3StrAccumEnlarge(StrAccum *p, int N){ p->printfFlags |= SQLITE_PRINTF_MALLOCED; }else{ sqlite3_str_reset(p); - setStrAccumError(p, SQLITE_NOMEM); + sqlite3StrAccumSetError(p, SQLITE_NOMEM); return 0; } } - return N; + assert( N>=0 && N<=0x7fffffff ); + return (int)N; } /* @@ -29161,7 +31493,7 @@ static SQLITE_NOINLINE char *strAccumFinishRealloc(StrAccum *p){ memcpy(zText, p->zText, p->nChar+1); p->printfFlags |= SQLITE_PRINTF_MALLOCED; }else{ - setStrAccumError(p, SQLITE_NOMEM); + sqlite3StrAccumSetError(p, SQLITE_NOMEM); } p->zText = zText; return zText; @@ -29176,6 +31508,22 @@ SQLITE_PRIVATE char *sqlite3StrAccumFinish(StrAccum *p){ return p->zText; } +/* +** Use the content of the StrAccum passed as the second argument +** as the result of an SQL function. +*/ +SQLITE_PRIVATE void sqlite3ResultStrAccum(sqlite3_context *pCtx, StrAccum *p){ + if( p->accError ){ + sqlite3_result_error_code(pCtx, p->accError); + sqlite3_str_reset(p); + }else if( isMalloced(p) ){ + sqlite3_result_text(pCtx, p->zText, p->nChar, SQLITE_DYNAMIC); + }else{ + sqlite3_result_text(pCtx, "", 0, SQLITE_STATIC); + sqlite3_str_reset(p); + } +} + /* ** This singleton is an sqlite3_str object that is returned if ** sqlite3_malloc() fails to provide space for a real one. This @@ -29367,12 +31715,22 @@ SQLITE_API char *sqlite3_vsnprintf(int n, char *zBuf, const char *zFormat, va_li return zBuf; } SQLITE_API char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){ - char *z; + StrAccum acc; va_list ap; + if( n<=0 ) return zBuf; +#ifdef SQLITE_ENABLE_API_ARMOR + if( zBuf==0 || zFormat==0 ) { + (void)SQLITE_MISUSE_BKPT; + if( zBuf ) zBuf[0] = 0; + return zBuf; + } +#endif + sqlite3StrAccumInit(&acc, 0, zBuf, n, 0); va_start(ap,zFormat); - z = sqlite3_vsnprintf(n, zBuf, zFormat, ap); + sqlite3_str_vappendf(&acc, zFormat, ap); va_end(ap); - return z; + zBuf[acc.nChar] = 0; + return zBuf; } /* @@ -29450,6 +31808,75 @@ SQLITE_API void sqlite3_str_appendf(StrAccum *p, const char *zFormat, ...){ va_end(ap); } + +/***************************************************************************** +** Reference counted string storage +*****************************************************************************/ + +/* +** Increase the reference count of the string by one. +** +** The input parameter is returned. +*/ +SQLITE_PRIVATE char *sqlite3RCStrRef(char *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + p->nRCRef++; + return z; +} + +/* +** Decrease the reference count by one. Free the string when the +** reference count reaches zero. +*/ +SQLITE_PRIVATE void sqlite3RCStrUnref(char *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + assert( p->nRCRef>0 ); + if( p->nRCRef>=2 ){ + p->nRCRef--; + }else{ + sqlite3_free(p); + } +} + +/* +** Create a new string that is capable of holding N bytes of text, not counting +** the zero byte at the end. The string is uninitialized. +** +** The reference count is initially 1. Call sqlite3RCStrUnref() to free the +** newly allocated string. +** +** This routine returns 0 on an OOM. +*/ +SQLITE_PRIVATE char *sqlite3RCStrNew(u64 N){ + RCStr *p = sqlite3_malloc64( N + sizeof(*p) + 1 ); + if( p==0 ) return 0; + p->nRCRef = 1; + return (char*)&p[1]; +} + +/* +** Change the size of the string so that it is able to hold N bytes. +** The string might be reallocated, so return the new allocation. +*/ +SQLITE_PRIVATE char *sqlite3RCStrResize(char *z, u64 N){ + RCStr *p = (RCStr*)z; + RCStr *pNew; + assert( p!=0 ); + p--; + assert( p->nRCRef==1 ); + pNew = sqlite3_realloc64(p, N+sizeof(RCStr)+1); + if( pNew==0 ){ + sqlite3_free(p); + return 0; + }else{ + return (char*)&pNew[1]; + } +} + /************** End of printf.c **********************************************/ /************** Begin file treeview.c ****************************************/ /* @@ -29478,40 +31905,44 @@ SQLITE_API void sqlite3_str_appendf(StrAccum *p, const char *zFormat, ...){ ** Add a new subitem to the tree. The moreToFollow flag indicates that this ** is not the last item in the tree. */ -static TreeView *sqlite3TreeViewPush(TreeView *p, u8 moreToFollow){ +static void sqlite3TreeViewPush(TreeView **pp, u8 moreToFollow){ + TreeView *p = *pp; if( p==0 ){ - p = sqlite3_malloc64( sizeof(*p) ); - if( p==0 ) return 0; + *pp = p = sqlite3_malloc64( sizeof(*p) ); + if( p==0 ) return; memset(p, 0, sizeof(*p)); }else{ p->iLevel++; } assert( moreToFollow==0 || moreToFollow==1 ); - if( p->iLevelbLine) ) p->bLine[p->iLevel] = moreToFollow; - return p; + if( p->iLevel<(int)sizeof(p->bLine) ) p->bLine[p->iLevel] = moreToFollow; } /* ** Finished with one layer of the tree */ -static void sqlite3TreeViewPop(TreeView *p){ +static void sqlite3TreeViewPop(TreeView **pp){ + TreeView *p = *pp; if( p==0 ) return; p->iLevel--; - if( p->iLevel<0 ) sqlite3_free(p); + if( p->iLevel<0 ){ + sqlite3_free(p); + *pp = 0; + } } /* ** Generate a single line of output for the tree, with a prefix that contains ** all the appropriate tree lines */ -static void sqlite3TreeViewLine(TreeView *p, const char *zFormat, ...){ +SQLITE_PRIVATE void sqlite3TreeViewLine(TreeView *p, const char *zFormat, ...){ va_list ap; int i; StrAccum acc; - char zBuf[500]; + char zBuf[1000]; sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0); if( p ){ - for(i=0; iiLevel && ibLine)-1; i++){ + for(i=0; iiLevel && i<(int)sizeof(p->bLine)-1; i++){ sqlite3_str_append(&acc, p->bLine[i] ? "| " : " ", 4); } sqlite3_str_append(&acc, p->bLine[i] ? "|-- " : "'-- ", 4); @@ -29532,10 +31963,57 @@ static void sqlite3TreeViewLine(TreeView *p, const char *zFormat, ...){ ** Shorthand for starting a new tree item that consists of a single label */ static void sqlite3TreeViewItem(TreeView *p, const char *zLabel,u8 moreFollows){ - p = sqlite3TreeViewPush(p, moreFollows); + sqlite3TreeViewPush(&p, moreFollows); sqlite3TreeViewLine(p, "%s", zLabel); } +/* +** Show a list of Column objects in tree format. +*/ +SQLITE_PRIVATE void sqlite3TreeViewColumnList( + TreeView *pView, + const Column *aCol, + int nCol, + u8 moreToFollow +){ + int i; + sqlite3TreeViewPush(&pView, moreToFollow); + sqlite3TreeViewLine(pView, "COLUMNS"); + for(i=0; inCte>0 ){ - pView = sqlite3TreeViewPush(pView, 1); + sqlite3TreeViewPush(&pView, moreToFollow); for(i=0; inCte; i++){ StrAccum x; char zLine[1000]; @@ -29565,13 +32043,20 @@ SQLITE_PRIVATE void sqlite3TreeViewWith(TreeView *pView, const With *pWith, u8 m } sqlite3_str_appendf(&x, ")"); } - sqlite3_str_appendf(&x, " AS"); + if( pCte->eM10d!=M10d_Any ){ + sqlite3_str_appendf(&x, " %sMATERIALIZED", + pCte->eM10d==M10d_No ? "NOT " : ""); + } + if( pCte->pUse ){ + sqlite3_str_appendf(&x, " (pUse=0x%p, nUse=%d)", pCte->pUse, + pCte->pUse->nUse); + } sqlite3StrAccumFinish(&x); sqlite3TreeViewItem(pView, zLine, inCte-1); sqlite3TreeViewSelect(pView, pCte->pSelect, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } } @@ -29580,39 +32065,68 @@ SQLITE_PRIVATE void sqlite3TreeViewWith(TreeView *pView, const With *pWith, u8 m */ SQLITE_PRIVATE void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc){ int i; + if( pSrc==0 ) return; for(i=0; inSrc; i++){ - const struct SrcList_item *pItem = &pSrc->a[i]; + const SrcItem *pItem = &pSrc->a[i]; StrAccum x; - char zLine[100]; + int n = 0; + char zLine[1000]; sqlite3StrAccumInit(&x, 0, zLine, sizeof(zLine), 0); - sqlite3_str_appendf(&x, "{%d:*}", pItem->iCursor); - if( pItem->zDatabase ){ - sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName); - }else if( pItem->zName ){ - sqlite3_str_appendf(&x, " %s", pItem->zName); - } + x.printfFlags |= SQLITE_PRINTF_INTERNAL; + sqlite3_str_appendf(&x, "{%d:*} %!S", pItem->iCursor, pItem); if( pItem->pTab ){ sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p used=%llx", pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab, pItem->colUsed); } - if( pItem->zAlias ){ - sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias); - } - if( pItem->fg.jointype & JT_LEFT ){ + if( (pItem->fg.jointype & (JT_LEFT|JT_RIGHT))==(JT_LEFT|JT_RIGHT) ){ + sqlite3_str_appendf(&x, " FULL-OUTER-JOIN"); + }else if( pItem->fg.jointype & JT_LEFT ){ sqlite3_str_appendf(&x, " LEFT-JOIN"); + }else if( pItem->fg.jointype & JT_RIGHT ){ + sqlite3_str_appendf(&x, " RIGHT-JOIN"); + }else if( pItem->fg.jointype & JT_CROSS ){ + sqlite3_str_appendf(&x, " CROSS-JOIN"); + } + if( pItem->fg.jointype & JT_LTORJ ){ + sqlite3_str_appendf(&x, " LTORJ"); } if( pItem->fg.fromDDL ){ sqlite3_str_appendf(&x, " DDL"); } + if( pItem->fg.isCte ){ + sqlite3_str_appendf(&x, " CteUse=0x%p", pItem->u2.pCteUse); + } + if( pItem->fg.isOn || (pItem->fg.isUsing==0 && pItem->u3.pOn!=0) ){ + sqlite3_str_appendf(&x, " ON"); + } + if( pItem->fg.isTabFunc ) sqlite3_str_appendf(&x, " isTabFunc"); + if( pItem->fg.isCorrelated ) sqlite3_str_appendf(&x, " isCorrelated"); + if( pItem->fg.isMaterialized ) sqlite3_str_appendf(&x, " isMaterialized"); + if( pItem->fg.viaCoroutine ) sqlite3_str_appendf(&x, " viaCoroutine"); + if( pItem->fg.notCte ) sqlite3_str_appendf(&x, " notCte"); + if( pItem->fg.isNestedFrom ) sqlite3_str_appendf(&x, " isNestedFrom"); + sqlite3StrAccumFinish(&x); sqlite3TreeViewItem(pView, zLine, inSrc-1); + n = 0; + if( pItem->pSelect ) n++; + if( pItem->fg.isTabFunc ) n++; + if( pItem->fg.isUsing ) n++; + if( pItem->fg.isUsing ){ + sqlite3TreeViewIdList(pView, pItem->u3.pUsing, (--n)>0, "USING"); + } if( pItem->pSelect ){ - sqlite3TreeViewSelect(pView, pItem->pSelect, 0); + if( pItem->pTab ){ + Table *pTab = pItem->pTab; + sqlite3TreeViewColumnList(pView, pTab->aCol, pTab->nCol, 1); + } + assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) ); + sqlite3TreeViewSelect(pView, pItem->pSelect, (--n)>0); } if( pItem->fg.isTabFunc ){ sqlite3TreeViewExprList(pView, pItem->u1.pFuncArg, 0, "func-args:"); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } } @@ -29626,11 +32140,11 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m sqlite3TreeViewLine(pView, "nil-SELECT"); return; } - pView = sqlite3TreeViewPush(pView, moreToFollow); + sqlite3TreeViewPush(&pView, moreToFollow); if( p->pWith ){ sqlite3TreeViewWith(pView, p->pWith, 1); cnt = 1; - sqlite3TreeViewPush(pView, 1); + sqlite3TreeViewPush(&pView, 1); } do{ if( p->selFlags & SF_WhereBegin ){ @@ -29644,7 +32158,7 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m (int)p->nSelectRow ); } - if( cnt++ ) sqlite3TreeViewPop(pView); + if( cnt++ ) sqlite3TreeViewPop(&pView); if( p->pPrior ){ n = 1000; }else{ @@ -29667,24 +32181,24 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m #ifndef SQLITE_OMIT_WINDOWFUNC if( p->pWin ){ Window *pX; - pView = sqlite3TreeViewPush(pView, (n--)>0); + sqlite3TreeViewPush(&pView, (n--)>0); sqlite3TreeViewLine(pView, "window-functions"); for(pX=p->pWin; pX; pX=pX->pNextWin){ sqlite3TreeViewWinFunc(pView, pX, pX->pNextWin!=0); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #endif if( p->pSrc && p->pSrc->nSrc ){ - pView = sqlite3TreeViewPush(pView, (n--)>0); + sqlite3TreeViewPush(&pView, (n--)>0); sqlite3TreeViewLine(pView, "FROM"); sqlite3TreeViewSrcList(pView, p->pSrc); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } if( p->pWhere ){ sqlite3TreeViewItem(pView, "WHERE", (n--)>0); sqlite3TreeViewExpr(pView, p->pWhere, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } if( p->pGroupBy ){ sqlite3TreeViewExprList(pView, p->pGroupBy, (n--)>0, "GROUPBY"); @@ -29692,7 +32206,7 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m if( p->pHaving ){ sqlite3TreeViewItem(pView, "HAVING", (n--)>0); sqlite3TreeViewExpr(pView, p->pHaving, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #ifndef SQLITE_OMIT_WINDOWFUNC if( p->pWinDefn ){ @@ -29701,7 +32215,7 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m for(pX=p->pWinDefn; pX; pX=pX->pNextWin){ sqlite3TreeViewWindow(pView, pX, pX->pNextWin!=0); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #endif if( p->pOrderBy ){ @@ -29713,9 +32227,9 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m if( p->pLimit->pRight ){ sqlite3TreeViewItem(pView, "OFFSET", (n--)>0); sqlite3TreeViewExpr(pView, p->pLimit->pRight, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } if( p->pPrior ){ const char *zOp = "UNION"; @@ -29728,7 +32242,7 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m } p = p->pPrior; }while( p!=0 ); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #ifndef SQLITE_OMIT_WINDOWFUNC @@ -29744,24 +32258,24 @@ SQLITE_PRIVATE void sqlite3TreeViewBound( switch( eBound ){ case TK_UNBOUNDED: { sqlite3TreeViewItem(pView, "UNBOUNDED", moreToFollow); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); break; } case TK_CURRENT: { sqlite3TreeViewItem(pView, "CURRENT", moreToFollow); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); break; } case TK_PRECEDING: { sqlite3TreeViewItem(pView, "PRECEDING", moreToFollow); sqlite3TreeViewExpr(pView, pExpr, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); break; } case TK_FOLLOWING: { sqlite3TreeViewItem(pView, "FOLLOWING", moreToFollow); sqlite3TreeViewExpr(pView, pExpr, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); break; } } @@ -29774,12 +32288,13 @@ SQLITE_PRIVATE void sqlite3TreeViewBound( */ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u8 more){ int nElement = 0; + if( pWin==0 ) return; if( pWin->pFilter ){ sqlite3TreeViewItem(pView, "FILTER", 1); sqlite3TreeViewExpr(pView, pWin->pFilter, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } - pView = sqlite3TreeViewPush(pView, more); + sqlite3TreeViewPush(&pView, more); if( pWin->zName ){ sqlite3TreeViewLine(pView, "OVER %s (%p)", pWin->zName, pWin); }else{ @@ -29790,9 +32305,9 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u if( pWin->eFrmType ) nElement++; if( pWin->eExclude ) nElement++; if( pWin->zBase ){ - sqlite3TreeViewPush(pView, (--nElement)>0); + sqlite3TreeViewPush(&pView, (--nElement)>0); sqlite3TreeViewLine(pView, "window: %s", pWin->zBase); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } if( pWin->pPartition ){ sqlite3TreeViewExprList(pView, pWin->pPartition, nElement>0,"PARTITION-BY"); @@ -29810,7 +32325,7 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u sqlite3TreeViewItem(pView, zBuf, (--nElement)>0); sqlite3TreeViewBound(pView, pWin->eStart, pWin->pStart, 1); sqlite3TreeViewBound(pView, pWin->eEnd, pWin->pEnd, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } if( pWin->eExclude ){ char zBuf[30]; @@ -29825,11 +32340,11 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u zExclude = zBuf; break; } - sqlite3TreeViewPush(pView, 0); + sqlite3TreeViewPush(&pView, 0); sqlite3TreeViewLine(pView, "EXCLUDE %s", zExclude); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #endif /* SQLITE_OMIT_WINDOWFUNC */ @@ -29838,11 +32353,12 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u ** Generate a human-readable explanation for a Window Function object */ SQLITE_PRIVATE void sqlite3TreeViewWinFunc(TreeView *pView, const Window *pWin, u8 more){ - pView = sqlite3TreeViewPush(pView, more); + if( pWin==0 ) return; + sqlite3TreeViewPush(&pView, more); sqlite3TreeViewLine(pView, "WINFUNC %s(%d)", - pWin->pFunc->zName, pWin->pFunc->nArg); + pWin->pWFunc->zName, pWin->pWFunc->nArg); sqlite3TreeViewWindow(pView, pWin, 0); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } #endif /* SQLITE_OMIT_WINDOWFUNC */ @@ -29853,19 +32369,22 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m const char *zBinOp = 0; /* Binary operator */ const char *zUniOp = 0; /* Unary operator */ char zFlgs[200]; - pView = sqlite3TreeViewPush(pView, moreToFollow); + sqlite3TreeViewPush(&pView, moreToFollow); if( pExpr==0 ){ sqlite3TreeViewLine(pView, "nil"); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); return; } - if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags ){ + if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags || pExpr->pAggInfo ){ StrAccum x; sqlite3StrAccumInit(&x, 0, zFlgs, sizeof(zFlgs), 0); sqlite3_str_appendf(&x, " fg.af=%x.%c", pExpr->flags, pExpr->affExpr ? pExpr->affExpr : 'n'); - if( ExprHasProperty(pExpr, EP_FromJoin) ){ - sqlite3_str_appendf(&x, " iRJT=%d", pExpr->iRightJoinTable); + if( ExprHasProperty(pExpr, EP_OuterON) ){ + sqlite3_str_appendf(&x, " outer.iJoin=%d", pExpr->w.iJoin); + } + if( ExprHasProperty(pExpr, EP_InnerON) ){ + sqlite3_str_appendf(&x, " inner.iJoin=%d", pExpr->w.iJoin); } if( ExprHasProperty(pExpr, EP_FromDDL) ){ sqlite3_str_appendf(&x, " DDL"); @@ -29873,6 +32392,9 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m if( ExprHasVVAProperty(pExpr, EP_Immutable) ){ sqlite3_str_appendf(&x, " IMMUTABLE"); } + if( pExpr->pAggInfo!=0 ){ + sqlite3_str_appendf(&x, " agg-column[%d]", pExpr->iAgg); + } sqlite3StrAccumFinish(&x); }else{ zFlgs[0] = 0; @@ -29895,6 +32417,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m sqlite3TreeViewLine(pView, "COLUMN(%d)%s%s", pExpr->iColumn, zFlgs, zOp2); }else{ + assert( ExprUseYTab(pExpr) ); sqlite3TreeViewLine(pView, "{%d:%d} pTab=%p%s", pExpr->iTable, pExpr->iColumn, pExpr->y.pTab, zFlgs); @@ -29914,11 +32437,13 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m } #ifndef SQLITE_OMIT_FLOATING_POINT case TK_FLOAT: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"%s", pExpr->u.zToken); break; } #endif case TK_STRING: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"%Q", pExpr->u.zToken); break; } @@ -29927,17 +32452,19 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m break; } case TK_TRUEFALSE: { - sqlite3TreeViewLine(pView, - sqlite3ExprTruthValue(pExpr) ? "TRUE" : "FALSE"); + sqlite3TreeViewLine(pView,"%s%s", + sqlite3ExprTruthValue(pExpr) ? "TRUE" : "FALSE", zFlgs); break; } #ifndef SQLITE_OMIT_BLOB_LITERAL case TK_BLOB: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"%s", pExpr->u.zToken); break; } #endif case TK_VARIABLE: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"VARIABLE(%s,%d)", pExpr->u.zToken, pExpr->iColumn); break; @@ -29947,12 +32474,14 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m break; } case TK_ID: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"ID \"%w\"", pExpr->u.zToken); break; } #ifndef SQLITE_OMIT_CAST case TK_CAST: { /* Expressions of the form: CAST(pLeft AS token) */ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView,"CAST %Q", pExpr->u.zToken); sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); break; @@ -29995,13 +32524,15 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m }; assert( pExpr->op2==TK_IS || pExpr->op2==TK_ISNOT ); assert( pExpr->pRight ); - assert( sqlite3ExprSkipCollate(pExpr->pRight)->op==TK_TRUEFALSE ); + assert( sqlite3ExprSkipCollateAndLikely(pExpr->pRight)->op + == TK_TRUEFALSE ); x = (pExpr->op2==TK_ISNOT)*2 + sqlite3ExprTruthValue(pExpr->pRight); zUniOp = azOp[x]; break; } case TK_SPAN: { + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView, "SPAN %Q", pExpr->u.zToken); sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); break; @@ -30013,6 +32544,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m ** up in the treeview output as "SOFT-COLLATE". Explicit COLLATE ** operators that appear in the original SQL always have the ** EP_Collate bit set and appear in treeview output as just "COLLATE" */ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView, "%sCOLLATE %Q%s", !ExprHasProperty(pExpr, EP_Collate) ? "SOFT-" : "", pExpr->u.zToken, zFlgs); @@ -30028,6 +32560,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m pFarg = 0; pWin = 0; }else{ + assert( ExprUseXList(pExpr) ); pFarg = pExpr->x.pList; #ifndef SQLITE_OMIT_WINDOWFUNC pWin = ExprHasProperty(pExpr, EP_WinFunc) ? pExpr->y.pWin : 0; @@ -30035,6 +32568,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m pWin = 0; #endif } + assert( !ExprHasProperty(pExpr, EP_IntValue) ); if( pExpr->op==TK_AGG_FUNCTION ){ sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q%s agg=%d[%d]/%p", pExpr->op2, pExpr->u.zToken, zFlgs, @@ -30066,19 +32600,31 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: { + assert( ExprUseXSelect(pExpr) ); sqlite3TreeViewLine(pView, "EXISTS-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_SELECT: { + assert( ExprUseXSelect(pExpr) ); sqlite3TreeViewLine(pView, "subquery-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_IN: { - sqlite3TreeViewLine(pView, "IN flags=0x%x", pExpr->flags); + sqlite3_str *pStr = sqlite3_str_new(0); + char *z; + sqlite3_str_appendf(pStr, "IN flags=0x%x", pExpr->flags); + if( pExpr->iTable ) sqlite3_str_appendf(pStr, " iTable=%d",pExpr->iTable); + if( ExprHasProperty(pExpr, EP_Subrtn) ){ + sqlite3_str_appendf(pStr, " subrtn(%d,%d)", + pExpr->y.sub.regReturn, pExpr->y.sub.iAddr); + } + z = sqlite3_str_finish(pStr); + sqlite3TreeViewLine(pView, z); + sqlite3_free(z); sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); }else{ sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); @@ -30099,9 +32645,12 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m ** Z is stored in pExpr->pList->a[1].pExpr. */ case TK_BETWEEN: { - Expr *pX = pExpr->pLeft; - Expr *pY = pExpr->x.pList->a[0].pExpr; - Expr *pZ = pExpr->x.pList->a[1].pExpr; + const Expr *pX, *pY, *pZ; + pX = pExpr->pLeft; + assert( ExprUseXList(pExpr) ); + assert( pExpr->x.pList->nExpr==2 ); + pY = pExpr->x.pList->a[0].pExpr; + pZ = pExpr->x.pList->a[1].pExpr; sqlite3TreeViewLine(pView, "BETWEEN"); sqlite3TreeViewExpr(pView, pX, 1); sqlite3TreeViewExpr(pView, pY, 1); @@ -30123,6 +32672,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m case TK_CASE: { sqlite3TreeViewLine(pView, "CASE"); sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); + assert( ExprUseXList(pExpr) ); sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); break; } @@ -30135,6 +32685,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m case OE_Fail: zType = "fail"; break; case OE_Ignore: zType = "ignore"; break; } + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3TreeViewLine(pView, "RAISE %s(%Q)", zType, pExpr->u.zToken); break; } @@ -30147,12 +32698,16 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m } case TK_VECTOR: { char *z = sqlite3_mprintf("VECTOR%s",zFlgs); + assert( ExprUseXList(pExpr) ); sqlite3TreeViewBareExprList(pView, pExpr->x.pList, z); sqlite3_free(z); break; } case TK_SELECT_COLUMN: { - sqlite3TreeViewLine(pView, "SELECT-COLUMN %d", pExpr->iColumn); + sqlite3TreeViewLine(pView, "SELECT-COLUMN %d of [0..%d]%s", + pExpr->iColumn, pExpr->iTable-1, + pExpr->pRight==pExpr->pLeft ? " (SELECT-owner)" : ""); + assert( ExprUseXSelect(pExpr->pLeft) ); sqlite3TreeViewSelect(pView, pExpr->pLeft->x.pSelect, 0); break; } @@ -30161,6 +32716,23 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); break; } + case TK_ERROR: { + Expr tmp; + sqlite3TreeViewLine(pView, "ERROR"); + tmp = *pExpr; + tmp.op = pExpr->op2; + sqlite3TreeViewExpr(pView, &tmp, 0); + break; + } + case TK_ROW: { + if( pExpr->iColumn<=0 ){ + sqlite3TreeViewLine(pView, "First FROM table rowid"); + }else{ + sqlite3TreeViewLine(pView, "First FROM table column %d", + pExpr->iColumn-1); + } + break; + } default: { sqlite3TreeViewLine(pView, "op=%d", pExpr->op); break; @@ -30174,7 +32746,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m sqlite3TreeViewLine(pView, "%s%s", zUniOp, zFlgs); sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); } - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } @@ -30196,13 +32768,25 @@ SQLITE_PRIVATE void sqlite3TreeViewBareExprList( int j = pList->a[i].u.x.iOrderByCol; char *zName = pList->a[i].zEName; int moreToFollow = inExpr - 1; - if( pList->a[i].eEName!=ENAME_NAME ) zName = 0; if( j || zName ){ - sqlite3TreeViewPush(pView, moreToFollow); + sqlite3TreeViewPush(&pView, moreToFollow); moreToFollow = 0; sqlite3TreeViewLine(pView, 0); if( zName ){ - fprintf(stdout, "AS %s ", zName); + switch( pList->a[i].fg.eEName ){ + default: + fprintf(stdout, "AS %s ", zName); + break; + case ENAME_TAB: + fprintf(stdout, "TABLE-ALIAS-NAME(\"%s\") ", zName); + if( pList->a[i].fg.bUsed ) fprintf(stdout, "(used) "); + if( pList->a[i].fg.bUsingTerm ) fprintf(stdout, "(USING-term) "); + if( pList->a[i].fg.bNoExpand ) fprintf(stdout, "(NoExpand) "); + break; + case ENAME_SPAN: + fprintf(stdout, "SPAN(\"%s\") ", zName); + break; + } } if( j ){ fprintf(stdout, "iOrderByCol=%d", j); @@ -30212,7 +32796,7 @@ SQLITE_PRIVATE void sqlite3TreeViewBareExprList( } sqlite3TreeViewExpr(pView, pList->a[i].pExpr, moreToFollow); if( j || zName ){ - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); } } } @@ -30223,10 +32807,377 @@ SQLITE_PRIVATE void sqlite3TreeViewExprList( u8 moreToFollow, const char *zLabel ){ - pView = sqlite3TreeViewPush(pView, moreToFollow); + sqlite3TreeViewPush(&pView, moreToFollow); sqlite3TreeViewBareExprList(pView, pList, zLabel); - sqlite3TreeViewPop(pView); + sqlite3TreeViewPop(&pView); +} + +/* +** Generate a human-readable explanation of an id-list. +*/ +SQLITE_PRIVATE void sqlite3TreeViewBareIdList( + TreeView *pView, + const IdList *pList, + const char *zLabel +){ + if( zLabel==0 || zLabel[0]==0 ) zLabel = "LIST"; + if( pList==0 ){ + sqlite3TreeViewLine(pView, "%s (empty)", zLabel); + }else{ + int i; + sqlite3TreeViewLine(pView, "%s", zLabel); + for(i=0; inId; i++){ + char *zName = pList->a[i].zName; + int moreToFollow = inId - 1; + if( zName==0 ) zName = "(null)"; + sqlite3TreeViewPush(&pView, moreToFollow); + sqlite3TreeViewLine(pView, 0); + if( pList->eU4==EU4_NONE ){ + fprintf(stdout, "%s\n", zName); + }else if( pList->eU4==EU4_IDX ){ + fprintf(stdout, "%s (%d)\n", zName, pList->a[i].u4.idx); + }else{ + assert( pList->eU4==EU4_EXPR ); + if( pList->a[i].u4.pExpr==0 ){ + fprintf(stdout, "%s (pExpr=NULL)\n", zName); + }else{ + fprintf(stdout, "%s\n", zName); + sqlite3TreeViewPush(&pView, inId-1); + sqlite3TreeViewExpr(pView, pList->a[i].u4.pExpr, 0); + sqlite3TreeViewPop(&pView); + } + } + sqlite3TreeViewPop(&pView); + } + } +} +SQLITE_PRIVATE void sqlite3TreeViewIdList( + TreeView *pView, + const IdList *pList, + u8 moreToFollow, + const char *zLabel +){ + sqlite3TreeViewPush(&pView, moreToFollow); + sqlite3TreeViewBareIdList(pView, pList, zLabel); + sqlite3TreeViewPop(&pView); +} + +/* +** Generate a human-readable explanation of a list of Upsert objects +*/ +SQLITE_PRIVATE void sqlite3TreeViewUpsert( + TreeView *pView, + const Upsert *pUpsert, + u8 moreToFollow +){ + if( pUpsert==0 ) return; + sqlite3TreeViewPush(&pView, moreToFollow); + while( pUpsert ){ + int n; + sqlite3TreeViewPush(&pView, pUpsert->pNextUpsert!=0 || moreToFollow); + sqlite3TreeViewLine(pView, "ON CONFLICT DO %s", + pUpsert->isDoUpdate ? "UPDATE" : "NOTHING"); + n = (pUpsert->pUpsertSet!=0) + (pUpsert->pUpsertWhere!=0); + sqlite3TreeViewExprList(pView, pUpsert->pUpsertTarget, (n--)>0, "TARGET"); + sqlite3TreeViewExprList(pView, pUpsert->pUpsertSet, (n--)>0, "SET"); + if( pUpsert->pUpsertWhere ){ + sqlite3TreeViewItem(pView, "WHERE", (n--)>0); + sqlite3TreeViewExpr(pView, pUpsert->pUpsertWhere, 0); + sqlite3TreeViewPop(&pView); + } + sqlite3TreeViewPop(&pView); + pUpsert = pUpsert->pNextUpsert; + } + sqlite3TreeViewPop(&pView); +} + +#if TREETRACE_ENABLED +/* +** Generate a human-readable diagram of the data structure that go +** into generating an DELETE statement. +*/ +SQLITE_PRIVATE void sqlite3TreeViewDelete( + const With *pWith, + const SrcList *pTabList, + const Expr *pWhere, + const ExprList *pOrderBy, + const Expr *pLimit, + const Trigger *pTrigger +){ + int n = 0; + TreeView *pView = 0; + sqlite3TreeViewPush(&pView, 0); + sqlite3TreeViewLine(pView, "DELETE"); + if( pWith ) n++; + if( pTabList ) n++; + if( pWhere ) n++; + if( pOrderBy ) n++; + if( pLimit ) n++; + if( pTrigger ) n++; + if( pWith ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewWith(pView, pWith, 0); + sqlite3TreeViewPop(&pView); + } + if( pTabList ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "FROM"); + sqlite3TreeViewSrcList(pView, pTabList); + sqlite3TreeViewPop(&pView); + } + if( pWhere ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "WHERE"); + sqlite3TreeViewExpr(pView, pWhere, 0); + sqlite3TreeViewPop(&pView); + } + if( pOrderBy ){ + sqlite3TreeViewExprList(pView, pOrderBy, (--n)>0, "ORDER-BY"); + } + if( pLimit ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "LIMIT"); + sqlite3TreeViewExpr(pView, pLimit, 0); + sqlite3TreeViewPop(&pView); + } + if( pTrigger ){ + sqlite3TreeViewTrigger(pView, pTrigger, (--n)>0, 1); + } + sqlite3TreeViewPop(&pView); +} +#endif /* TREETRACE_ENABLED */ + +#if TREETRACE_ENABLED +/* +** Generate a human-readable diagram of the data structure that go +** into generating an INSERT statement. +*/ +SQLITE_PRIVATE void sqlite3TreeViewInsert( + const With *pWith, + const SrcList *pTabList, + const IdList *pColumnList, + const Select *pSelect, + const ExprList *pExprList, + int onError, + const Upsert *pUpsert, + const Trigger *pTrigger +){ + TreeView *pView = 0; + int n = 0; + const char *zLabel = "INSERT"; + switch( onError ){ + case OE_Replace: zLabel = "REPLACE"; break; + case OE_Ignore: zLabel = "INSERT OR IGNORE"; break; + case OE_Rollback: zLabel = "INSERT OR ROLLBACK"; break; + case OE_Abort: zLabel = "INSERT OR ABORT"; break; + case OE_Fail: zLabel = "INSERT OR FAIL"; break; + } + sqlite3TreeViewPush(&pView, 0); + sqlite3TreeViewLine(pView, zLabel); + if( pWith ) n++; + if( pTabList ) n++; + if( pColumnList ) n++; + if( pSelect ) n++; + if( pExprList ) n++; + if( pUpsert ) n++; + if( pTrigger ) n++; + if( pWith ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewWith(pView, pWith, 0); + sqlite3TreeViewPop(&pView); + } + if( pTabList ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "INTO"); + sqlite3TreeViewSrcList(pView, pTabList); + sqlite3TreeViewPop(&pView); + } + if( pColumnList ){ + sqlite3TreeViewIdList(pView, pColumnList, (--n)>0, "COLUMNS"); + } + if( pSelect ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "DATA-SOURCE"); + sqlite3TreeViewSelect(pView, pSelect, 0); + sqlite3TreeViewPop(&pView); + } + if( pExprList ){ + sqlite3TreeViewExprList(pView, pExprList, (--n)>0, "VALUES"); + } + if( pUpsert ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "UPSERT"); + sqlite3TreeViewUpsert(pView, pUpsert, 0); + sqlite3TreeViewPop(&pView); + } + if( pTrigger ){ + sqlite3TreeViewTrigger(pView, pTrigger, (--n)>0, 1); + } + sqlite3TreeViewPop(&pView); +} +#endif /* TREETRACE_ENABLED */ + +#if TREETRACE_ENABLED +/* +** Generate a human-readable diagram of the data structure that go +** into generating an UPDATE statement. +*/ +SQLITE_PRIVATE void sqlite3TreeViewUpdate( + const With *pWith, + const SrcList *pTabList, + const ExprList *pChanges, + const Expr *pWhere, + int onError, + const ExprList *pOrderBy, + const Expr *pLimit, + const Upsert *pUpsert, + const Trigger *pTrigger +){ + int n = 0; + TreeView *pView = 0; + const char *zLabel = "UPDATE"; + switch( onError ){ + case OE_Replace: zLabel = "UPDATE OR REPLACE"; break; + case OE_Ignore: zLabel = "UPDATE OR IGNORE"; break; + case OE_Rollback: zLabel = "UPDATE OR ROLLBACK"; break; + case OE_Abort: zLabel = "UPDATE OR ABORT"; break; + case OE_Fail: zLabel = "UPDATE OR FAIL"; break; + } + sqlite3TreeViewPush(&pView, 0); + sqlite3TreeViewLine(pView, zLabel); + if( pWith ) n++; + if( pTabList ) n++; + if( pChanges ) n++; + if( pWhere ) n++; + if( pOrderBy ) n++; + if( pLimit ) n++; + if( pUpsert ) n++; + if( pTrigger ) n++; + if( pWith ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewWith(pView, pWith, 0); + sqlite3TreeViewPop(&pView); + } + if( pTabList ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "FROM"); + sqlite3TreeViewSrcList(pView, pTabList); + sqlite3TreeViewPop(&pView); + } + if( pChanges ){ + sqlite3TreeViewExprList(pView, pChanges, (--n)>0, "SET"); + } + if( pWhere ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "WHERE"); + sqlite3TreeViewExpr(pView, pWhere, 0); + sqlite3TreeViewPop(&pView); + } + if( pOrderBy ){ + sqlite3TreeViewExprList(pView, pOrderBy, (--n)>0, "ORDER-BY"); + } + if( pLimit ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "LIMIT"); + sqlite3TreeViewExpr(pView, pLimit, 0); + sqlite3TreeViewPop(&pView); + } + if( pUpsert ){ + sqlite3TreeViewPush(&pView, (--n)>0); + sqlite3TreeViewLine(pView, "UPSERT"); + sqlite3TreeViewUpsert(pView, pUpsert, 0); + sqlite3TreeViewPop(&pView); + } + if( pTrigger ){ + sqlite3TreeViewTrigger(pView, pTrigger, (--n)>0, 1); + } + sqlite3TreeViewPop(&pView); +} +#endif /* TREETRACE_ENABLED */ + +#ifndef SQLITE_OMIT_TRIGGER +/* +** Show a human-readable graph of a TriggerStep +*/ +SQLITE_PRIVATE void sqlite3TreeViewTriggerStep( + TreeView *pView, + const TriggerStep *pStep, + u8 moreToFollow, + u8 showFullList +){ + int cnt = 0; + if( pStep==0 ) return; + sqlite3TreeViewPush(&pView, + moreToFollow || (showFullList && pStep->pNext!=0)); + do{ + if( cnt++ && pStep->pNext==0 ){ + sqlite3TreeViewPop(&pView); + sqlite3TreeViewPush(&pView, 0); + } + sqlite3TreeViewLine(pView, "%s", pStep->zSpan ? pStep->zSpan : "RETURNING"); + }while( showFullList && (pStep = pStep->pNext)!=0 ); + sqlite3TreeViewPop(&pView); +} + +/* +** Show a human-readable graph of a Trigger +*/ +SQLITE_PRIVATE void sqlite3TreeViewTrigger( + TreeView *pView, + const Trigger *pTrigger, + u8 moreToFollow, + u8 showFullList +){ + int cnt = 0; + if( pTrigger==0 ) return; + sqlite3TreeViewPush(&pView, + moreToFollow || (showFullList && pTrigger->pNext!=0)); + do{ + if( cnt++ && pTrigger->pNext==0 ){ + sqlite3TreeViewPop(&pView); + sqlite3TreeViewPush(&pView, 0); + } + sqlite3TreeViewLine(pView, "TRIGGER %s", pTrigger->zName); + sqlite3TreeViewPush(&pView, 0); + sqlite3TreeViewTriggerStep(pView, pTrigger->step_list, 0, 1); + sqlite3TreeViewPop(&pView); + }while( showFullList && (pTrigger = pTrigger->pNext)!=0 ); + sqlite3TreeViewPop(&pView); +} +#endif /* SQLITE_OMIT_TRIGGER */ + + +/* +** These simplified versions of the tree-view routines omit unnecessary +** parameters. These variants are intended to be used from a symbolic +** debugger, such as "gdb", during interactive debugging sessions. +** +** This routines are given external linkage so that they will always be +** accessible to the debugging, and to avoid warnings about unused +** functions. But these routines only exist in debugging builds, so they +** do not contaminate the interface. +*/ +SQLITE_PRIVATE void sqlite3ShowExpr(const Expr *p){ sqlite3TreeViewExpr(0,p,0); } +SQLITE_PRIVATE void sqlite3ShowExprList(const ExprList *p){ sqlite3TreeViewExprList(0,p,0,0);} +SQLITE_PRIVATE void sqlite3ShowIdList(const IdList *p){ sqlite3TreeViewIdList(0,p,0,0); } +SQLITE_PRIVATE void sqlite3ShowSrcList(const SrcList *p){ sqlite3TreeViewSrcList(0,p); } +SQLITE_PRIVATE void sqlite3ShowSelect(const Select *p){ sqlite3TreeViewSelect(0,p,0); } +SQLITE_PRIVATE void sqlite3ShowWith(const With *p){ sqlite3TreeViewWith(0,p,0); } +SQLITE_PRIVATE void sqlite3ShowUpsert(const Upsert *p){ sqlite3TreeViewUpsert(0,p,0); } +#ifndef SQLITE_OMIT_TRIGGER +SQLITE_PRIVATE void sqlite3ShowTriggerStep(const TriggerStep *p){ + sqlite3TreeViewTriggerStep(0,p,0,0); +} +SQLITE_PRIVATE void sqlite3ShowTriggerStepList(const TriggerStep *p){ + sqlite3TreeViewTriggerStep(0,p,0,1); } +SQLITE_PRIVATE void sqlite3ShowTrigger(const Trigger *p){ sqlite3TreeViewTrigger(0,p,0,0); } +SQLITE_PRIVATE void sqlite3ShowTriggerList(const Trigger *p){ sqlite3TreeViewTrigger(0,p,0,1);} +#endif +#ifndef SQLITE_OMIT_WINDOWFUNC +SQLITE_PRIVATE void sqlite3ShowWindow(const Window *p){ sqlite3TreeViewWindow(0,p,0); } +SQLITE_PRIVATE void sqlite3ShowWinFunc(const Window *p){ sqlite3TreeViewWinFunc(0,p,0); } +#endif #endif /* SQLITE_DEBUG */ @@ -30256,16 +33207,41 @@ SQLITE_PRIVATE void sqlite3TreeViewExprList( ** This structure is the current state of the generator. */ static SQLITE_WSD struct sqlite3PrngType { - unsigned char isInit; /* True if initialized */ - unsigned char i, j; /* State variables */ - unsigned char s[256]; /* State variables */ + u32 s[16]; /* 64 bytes of chacha20 state */ + u8 out[64]; /* Output bytes */ + u8 n; /* Output bytes remaining */ } sqlite3Prng; + +/* The RFC-7539 ChaCha20 block function +*/ +#define ROTL(a,b) (((a) << (b)) | ((a) >> (32 - (b)))) +#define QR(a, b, c, d) ( \ + a += b, d ^= a, d = ROTL(d,16), \ + c += d, b ^= c, b = ROTL(b,12), \ + a += b, d ^= a, d = ROTL(d, 8), \ + c += d, b ^= c, b = ROTL(b, 7)) +static void chacha_block(u32 *out, const u32 *in){ + int i; + u32 x[16]; + memcpy(x, in, 64); + for(i=0; i<10; i++){ + QR(x[0], x[4], x[ 8], x[12]); + QR(x[1], x[5], x[ 9], x[13]); + QR(x[2], x[6], x[10], x[14]); + QR(x[3], x[7], x[11], x[15]); + QR(x[0], x[5], x[10], x[15]); + QR(x[1], x[6], x[11], x[12]); + QR(x[2], x[7], x[ 8], x[13]); + QR(x[3], x[4], x[ 9], x[14]); + } + for(i=0; i<16; i++) out[i] = x[i]+in[i]; +} + /* ** Return N random bytes. */ SQLITE_API void sqlite3_randomness(int N, void *pBuf){ - unsigned char t; unsigned char *zBuf = pBuf; /* The "wsdPrng" macro will resolve to the pseudo-random number generator @@ -30295,48 +33271,46 @@ SQLITE_API void sqlite3_randomness(int N, void *pBuf){ sqlite3_mutex_enter(mutex); if( N<=0 || pBuf==0 ){ - wsdPrng.isInit = 0; + wsdPrng.s[0] = 0; sqlite3_mutex_leave(mutex); return; } /* Initialize the state of the random number generator once, - ** the first time this routine is called. The seed value does - ** not need to contain a lot of randomness since we are not - ** trying to do secure encryption or anything like that... - ** - ** Nothing in this file or anywhere else in SQLite does any kind of - ** encryption. The RC4 algorithm is being used as a PRNG (pseudo-random - ** number generator) not as an encryption device. + ** the first time this routine is called. */ - if( !wsdPrng.isInit ){ - int i; - char k[256]; - wsdPrng.j = 0; - wsdPrng.i = 0; - sqlite3OsRandomness(sqlite3_vfs_find(0), 256, k); - for(i=0; i<256; i++){ - wsdPrng.s[i] = (u8)i; - } - for(i=0; i<256; i++){ - wsdPrng.j += wsdPrng.s[i] + k[i]; - t = wsdPrng.s[wsdPrng.j]; - wsdPrng.s[wsdPrng.j] = wsdPrng.s[i]; - wsdPrng.s[i] = t; + if( wsdPrng.s[0]==0 ){ + sqlite3_vfs *pVfs = sqlite3_vfs_find(0); + static const u32 chacha20_init[] = { + 0x61707865, 0x3320646e, 0x79622d32, 0x6b206574 + }; + memcpy(&wsdPrng.s[0], chacha20_init, 16); + if( NEVER(pVfs==0) ){ + memset(&wsdPrng.s[4], 0, 44); + }else{ + sqlite3OsRandomness(pVfs, 44, (char*)&wsdPrng.s[4]); } - wsdPrng.isInit = 1; + wsdPrng.s[15] = wsdPrng.s[12]; + wsdPrng.s[12] = 0; + wsdPrng.n = 0; } assert( N>0 ); - do{ - wsdPrng.i++; - t = wsdPrng.s[wsdPrng.i]; - wsdPrng.j += t; - wsdPrng.s[wsdPrng.i] = wsdPrng.s[wsdPrng.j]; - wsdPrng.s[wsdPrng.j] = t; - t += wsdPrng.s[wsdPrng.i]; - *(zBuf++) = wsdPrng.s[t]; - }while( --N ); + while( 1 /* exit by break */ ){ + if( N<=wsdPrng.n ){ + memcpy(zBuf, &wsdPrng.out[wsdPrng.n-N], N); + wsdPrng.n -= N; + break; + } + if( wsdPrng.n>0 ){ + memcpy(zBuf, wsdPrng.out, wsdPrng.n); + N -= wsdPrng.n; + zBuf += wsdPrng.n; + } + wsdPrng.s[12]++; + chacha_block((u32*)wsdPrng.out, wsdPrng.s); + wsdPrng.n = 64; + } sqlite3_mutex_leave(mutex); } @@ -31207,20 +34181,10 @@ SQLITE_PRIVATE void sqlite3UtfSelfTest(void){ #include #endif -/* -** Routine needed to support the testcase() macro. -*/ -#ifdef SQLITE_COVERAGE_TEST -SQLITE_PRIVATE void sqlite3Coverage(int x){ - static unsigned dummy = 0; - dummy += (unsigned)x; -} -#endif - /* ** Calls to sqlite3FaultSim() are used to simulate a failure during testing, ** or to bypass normal error detection during testing in order to let -** execute proceed futher downstream. +** execute proceed further downstream. ** ** In deployment, sqlite3FaultSim() *always* return SQLITE_OK (0). The ** sqlite3FaultSim() function only returns non-zero during testing. @@ -31246,11 +34210,21 @@ SQLITE_PRIVATE int sqlite3FaultSim(int iTest){ #ifndef SQLITE_OMIT_FLOATING_POINT /* ** Return true if the floating point value is Not a Number (NaN). +** +** Use the math library isnan() function if compiled with SQLITE_HAVE_ISNAN. +** Otherwise, we have our own implementation that works on most systems. */ SQLITE_PRIVATE int sqlite3IsNaN(double x){ + int rc; /* The value return */ +#if !SQLITE_HAVE_ISNAN && !HAVE_ISNAN u64 y; memcpy(&y,&x,sizeof(y)); - return IsNaN(y); + rc = IsNaN(y); +#else + rc = isnan(x); +#endif /* HAVE_ISNAN */ + testcase( rc ); + return rc; } #endif /* SQLITE_OMIT_FLOATING_POINT */ @@ -31275,8 +34249,14 @@ SQLITE_PRIVATE int sqlite3Strlen30(const char *z){ ** the column name if and only if the COLFLAG_HASTYPE flag is set. */ SQLITE_PRIVATE char *sqlite3ColumnType(Column *pCol, char *zDflt){ - if( (pCol->colFlags & COLFLAG_HASTYPE)==0 ) return zDflt; - return pCol->zName + strlen(pCol->zName) + 1; + if( pCol->colFlags & COLFLAG_HASTYPE ){ + return pCol->zCnName + strlen(pCol->zCnName) + 1; + }else if( pCol->eCType ){ + assert( pCol->eCType<=SQLITE_N_STDTYPE ); + return (char*)sqlite3StdType[pCol->eCType-1]; + }else{ + return zDflt; + } } /* @@ -31297,7 +34277,22 @@ static SQLITE_NOINLINE void sqlite3ErrorFinish(sqlite3 *db, int err_code){ SQLITE_PRIVATE void sqlite3Error(sqlite3 *db, int err_code){ assert( db!=0 ); db->errCode = err_code; - if( err_code || db->pErr ) sqlite3ErrorFinish(db, err_code); + if( err_code || db->pErr ){ + sqlite3ErrorFinish(db, err_code); + }else{ + db->errByteOffset = -1; + } +} + +/* +** The equivalent of sqlite3Error(db, SQLITE_OK). Clear the error state +** and error message. +*/ +SQLITE_PRIVATE void sqlite3ErrorClear(sqlite3 *db){ + assert( db!=0 ); + db->errCode = SQLITE_OK; + db->errByteOffset = -1; + if( db->pErr ) sqlite3ValueSetNull(db->pErr); } /* @@ -31306,6 +34301,23 @@ SQLITE_PRIVATE void sqlite3Error(sqlite3 *db, int err_code){ */ SQLITE_PRIVATE void sqlite3SystemError(sqlite3 *db, int rc){ if( rc==SQLITE_IOERR_NOMEM ) return; +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_IOERR_IN_PAGE ){ + int ii; + int iErr; + sqlite3BtreeEnterAll(db); + for(ii=0; iinDb; ii++){ + if( db->aDb[ii].pBt ){ + iErr = sqlite3PagerWalSystemErrno(sqlite3BtreePager(db->aDb[ii].pBt)); + if( iErr ){ + db->iSysErrno = iErr; + } + } + } + sqlite3BtreeLeaveAll(db); + return; + } +#endif rc &= 0xff; if( rc==SQLITE_CANTOPEN || rc==SQLITE_IOERR ){ db->iSysErrno = sqlite3OsGetLastError(db->pVfs); @@ -31317,17 +34329,8 @@ SQLITE_PRIVATE void sqlite3SystemError(sqlite3 *db, int rc){ ** handle "db". The error code is set to "err_code". ** ** If it is not NULL, string zFormat specifies the format of the -** error string in the style of the printf functions: The following -** format characters are allowed: -** -** %s Insert a string -** %z A string that should be freed after use -** %d Insert an integer -** %T Insert a token -** %S Insert the first element of a SrcList -** -** zFormat and any string tokens that follow it are assumed to be -** encoded in UTF-8. +** error string. zFormat and any string tokens that follow it are +** assumed to be encoded in UTF-8. ** ** To clear the most recent error for sqlite handle "db", sqlite3Error ** should be called with err_code set to SQLITE_OK and zFormat set @@ -31349,15 +34352,28 @@ SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3 *db, int err_code, const char *z } } +/* +** Check for interrupts and invoke progress callback. +*/ +SQLITE_PRIVATE void sqlite3ProgressCheck(Parse *p){ + sqlite3 *db = p->db; + if( AtomicLoad(&db->u1.isInterrupted) ){ + p->nErr++; + p->rc = SQLITE_INTERRUPT; + } +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + if( db->xProgress && (++p->nProgressSteps)>=db->nProgressOps ){ + if( db->xProgress(db->pProgressArg) ){ + p->nErr++; + p->rc = SQLITE_INTERRUPT; + } + p->nProgressSteps = 0; + } +#endif +} + /* ** Add an error message to pParse->zErrMsg and increment pParse->nErr. -** The following formatting characters are allowed: -** -** %s Insert a string -** %z A string that should be freed after use -** %d Insert an integer -** %T Insert a token -** %S Insert the first element of a SrcList ** ** This function should be used to report any error that occurs while ** compiling an SQL statement (i.e. within sqlite3_prepare()). The @@ -31370,11 +34386,19 @@ SQLITE_PRIVATE void sqlite3ErrorMsg(Parse *pParse, const char *zFormat, ...){ char *zMsg; va_list ap; sqlite3 *db = pParse->db; + assert( db!=0 ); + assert( db->pParse==pParse || db->pParse->pToplevel==pParse ); + db->errByteOffset = -2; va_start(ap, zFormat); zMsg = sqlite3VMPrintf(db, zFormat, ap); va_end(ap); + if( db->errByteOffset<-1 ) db->errByteOffset = -1; if( db->suppressErr ){ sqlite3DbFree(db, zMsg); + if( db->mallocFailed ){ + pParse->nErr++; + pParse->rc = SQLITE_NOMEM; + } }else{ pParse->nErr++; sqlite3DbFree(db, pParse->zErrMsg); @@ -31437,11 +34461,34 @@ SQLITE_PRIVATE void sqlite3Dequote(char *z){ z[j] = 0; } SQLITE_PRIVATE void sqlite3DequoteExpr(Expr *p){ + assert( !ExprHasProperty(p, EP_IntValue) ); assert( sqlite3Isquote(p->u.zToken[0]) ); p->flags |= p->u.zToken[0]=='"' ? EP_Quoted|EP_DblQuoted : EP_Quoted; sqlite3Dequote(p->u.zToken); } +/* +** If the input token p is quoted, try to adjust the token to remove +** the quotes. This is not always possible: +** +** "abc" -> abc +** "ab""cd" -> (not possible because of the interior "") +** +** Remove the quotes if possible. This is a optimization. The overall +** system should still return the correct answer even if this routine +** is always a no-op. +*/ +SQLITE_PRIVATE void sqlite3DequoteToken(Token *p){ + unsigned int i; + if( p->n<2 ) return; + if( !sqlite3Isquote(p->z[0]) ) return; + for(i=1; in-1; i++){ + if( sqlite3Isquote(p->z[i]) ) return; + } + p->n -= 2; + p->z++; +} + /* ** Generate a Token object from a string */ @@ -31516,43 +34563,40 @@ SQLITE_PRIVATE u8 sqlite3StrIHash(const char *z){ return h; } -/* -** Compute 10 to the E-th power. Examples: E==1 results in 10. -** E==2 results in 100. E==50 results in 1.0e50. +/* Double-Double multiplication. (x[0],x[1]) *= (y,yy) ** -** This routine only works for values of E between 1 and 341. +** Reference: +** T. J. Dekker, "A Floating-Point Technique for Extending the +** Available Precision". 1971-07-26. */ -static LONGDOUBLE_TYPE sqlite3Pow10(int E){ -#if defined(_MSC_VER) - static const LONGDOUBLE_TYPE x[] = { - 1.0e+001L, - 1.0e+002L, - 1.0e+004L, - 1.0e+008L, - 1.0e+016L, - 1.0e+032L, - 1.0e+064L, - 1.0e+128L, - 1.0e+256L - }; - LONGDOUBLE_TYPE r = 1.0; - int i; - assert( E>=0 && E<=307 ); - for(i=0; E!=0; i++, E >>=1){ - if( E & 1 ) r *= x[i]; - } - return r; -#else - LONGDOUBLE_TYPE x = 10.0; - LONGDOUBLE_TYPE r = 1.0; - while(1){ - if( E & 1 ) r *= x; - E >>= 1; - if( E==0 ) break; - x *= x; - } - return r; -#endif +static void dekkerMul2(volatile double *x, double y, double yy){ + /* + ** The "volatile" keywords on parameter x[] and on local variables + ** below are needed force intermediate results to be truncated to + ** binary64 rather than be carried around in an extended-precision + ** format. The truncation is necessary for the Dekker algorithm to + ** work. Intel x86 floating point might omit the truncation without + ** the use of volatile. + */ + volatile double tx, ty, p, q, c, cc; + double hx, hy; + u64 m; + memcpy(&m, (void*)&x[0], 8); + m &= 0xfffffffffc000000LL; + memcpy(&hx, &m, 8); + tx = x[0] - hx; + memcpy(&m, &y, 8); + m &= 0xfffffffffc000000LL; + memcpy(&hy, &m, 8); + ty = y - hy; + p = hx*hy; + q = hx*ty + tx*hy; + c = p+q; + cc = p - c + q + tx*ty; + cc = x[0]*yy + x[1]*y + cc; + x[0] = c + cc; + x[1] = c - x[0]; + x[1] += cc; } /* @@ -31593,12 +34637,11 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en const char *zEnd; /* sign * significand * (10 ^ (esign * exponent)) */ int sign = 1; /* sign of significand */ - i64 s = 0; /* significand */ + u64 s = 0; /* significand */ int d = 0; /* adjust exponent for shifting decimal point */ int esign = 1; /* sign of exponent */ int e = 0; /* exponent */ int eValid = 1; /* True exponent is either not used or is well-formed */ - double result; int nDigit = 0; /* Number of digits processed */ int eType = 1; /* 1: pure integer, 2+: fractional -1 or less: bad UTF16 */ @@ -31638,7 +34681,7 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en while( z=((LARGEST_INT64-9)/10) ){ + if( s>=((LARGEST_UINT64-9)/10) ){ /* skip non-significant significand digits ** (increase exponent by d to shift decimal left) */ while( z0 ){ /*OPTIMIZATION-IF-TRUE*/ - if( esign>0 ){ - if( s>=(LARGEST_INT64/10) ) break; /*OPTIMIZATION-IF-FALSE*/ - s *= 10; - }else{ - if( s%10!=0 ) break; /*OPTIMIZATION-IF-FALSE*/ - s /= 10; - } - e--; - } + /* adjust exponent by d, and update sign */ + e = (e*esign) + d; - /* adjust the sign of significand */ - s = sign<0 ? -s : s; + /* Try to adjust the exponent to make it smaller */ + while( e>0 && s<(LARGEST_UINT64/10) ){ + s *= 10; + e--; + } + while( e<0 && (s%10)==0 ){ + s /= 10; + e++; + } - if( e==0 ){ /*OPTIMIZATION-IF-TRUE*/ - result = (double)s; + if( e==0 ){ + *pResult = s; + }else if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE r = (LONGDOUBLE_TYPE)s; + if( e>0 ){ + while( e>=100 ){ e-=100; r *= 1.0e+100L; } + while( e>=10 ){ e-=10; r *= 1.0e+10L; } + while( e>=1 ){ e-=1; r *= 1.0e+01L; } }else{ - /* attempt to handle extremely small/large numbers better */ - if( e>307 ){ /*OPTIMIZATION-IF-TRUE*/ - if( e<342 ){ /*OPTIMIZATION-IF-TRUE*/ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e-308); - if( esign<0 ){ - result = s / scale; - result /= 1.0e+308; - }else{ - result = s * scale; - result *= 1.0e+308; - } - }else{ assert( e>=342 ); - if( esign<0 ){ - result = 0.0*s; - }else{ + while( e<=-100 ){ e+=100; r *= 1.0e-100L; } + while( e<=-10 ){ e+=10; r *= 1.0e-10L; } + while( e<=-1 ){ e+=1; r *= 1.0e-01L; } + } + assert( r>=0.0 ); + if( r>+1.7976931348623157081452742373e+308L ){ #ifdef INFINITY - result = INFINITY*s; + *pResult = +INFINITY; #else - result = 1e308*1e308*s; /* Infinity */ + *pResult = 1.0e308*10.0; #endif - } - } - }else{ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e); - if( esign<0 ){ - result = s / scale; - }else{ - result = s * scale; - } + }else{ + *pResult = (double)r; + } + }else{ + double rr[2]; + u64 s2; + rr[0] = (double)s; + s2 = (u64)rr[0]; + rr[1] = s>=s2 ? (double)(s - s2) : -(double)(s2 - s); + if( e>0 ){ + while( e>=100 ){ + e -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( e>=10 ){ + e -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( e>=1 ){ + e -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + }else{ + while( e<=-100 ){ + e += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( e<=-10 ){ + e += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( e<=-1 ){ + e += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); } } + *pResult = rr[0]+rr[1]; + if( sqlite3IsNaN(*pResult) ) *pResult = 1e300*1e300; } + if( sign<0 ) *pResult = -*pResult; + assert( !sqlite3IsNaN(*pResult) ); - /* store the result */ - *pResult = result; - - /* return true if number and no extra non-whitespace chracters after */ +atof_return: + /* return true if number and no extra non-whitespace characters after */ if( z==zEnd && nDigit>0 && eValid && eType>0 ){ return eType; }else if( eType>=2 && (eType==3 || eValid) && nDigit>0 ){ @@ -31782,11 +34835,14 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en #endif /* -** Render an signed 64-bit integer as text. Store the result in zOut[]. +** Render an signed 64-bit integer as text. Store the result in zOut[] and +** return the length of the string that was stored, in bytes. The value +** returned does not include the zero terminator at the end of the output +** string. ** ** The caller must ensure that zOut[] is at least 21 bytes in size. */ -SQLITE_PRIVATE void sqlite3Int64ToText(i64 v, char *zOut){ +SQLITE_PRIVATE int sqlite3Int64ToText(i64 v, char *zOut){ int i; u64 x; char zTemp[22]; @@ -31797,12 +34853,15 @@ SQLITE_PRIVATE void sqlite3Int64ToText(i64 v, char *zOut){ } i = sizeof(zTemp)-2; zTemp[sizeof(zTemp)-1] = 0; - do{ - zTemp[i--] = (x%10) + '0'; + while( 1 /*exit-by-break*/ ){ + zTemp[i] = (x%10) + '0'; x = x/10; - }while( x ); - if( v<0 ) zTemp[i--] = '-'; - memcpy(zOut, &zTemp[i+1], sizeof(zTemp)-1-i); + if( x==0 ) break; + i--; + }; + if( v<0 ) zTemp[--i] = '-'; + memcpy(zOut, &zTemp[i], sizeof(zTemp)-i); + return sizeof(zTemp)-1-i; } /* @@ -31867,6 +34926,7 @@ SQLITE_PRIVATE int sqlite3Atoi64(const char *zNum, i64 *pNum, int length, u8 enc incr = 1; }else{ incr = 2; + length &= ~1; assert( SQLITE_UTF16LE==2 && SQLITE_UTF16BE==3 ); for(i=3-enc; i16 ) return 2; + if( z[k]!=0 ) return 1; + return 0; }else #endif /* SQLITE_OMIT_HEX_INTEGER */ { - return sqlite3Atoi64(z, pOut, sqlite3Strlen30(z), SQLITE_UTF8); + int n = (int)(0x3fffffff&strspn(z,"+- \n\t0123456789")); + if( z[n] ) n++; + return sqlite3Atoi64(z, pOut, n, SQLITE_UTF8); } } @@ -32002,7 +35066,7 @@ SQLITE_PRIVATE int sqlite3GetInt32(const char *zNum, int *pValue){ u32 u = 0; zNum += 2; while( zNum[0]=='0' ) zNum++; - for(i=0; sqlite3Isxdigit(zNum[i]) && i<8; i++){ + for(i=0; i<8 && sqlite3Isxdigit(zNum[i]); i++){ u = u*16 + sqlite3HexToInt(zNum[i]); } if( (u&0x80000000)==0 && sqlite3Isxdigit(zNum[i])==0 ){ @@ -32049,6 +35113,153 @@ SQLITE_PRIVATE int sqlite3Atoi(const char *z){ return x; } +/* +** Decode a floating-point value into an approximate decimal +** representation. +** +** Round the decimal representation to n significant digits if +** n is positive. Or round to -n signficant digits after the +** decimal point if n is negative. No rounding is performed if +** n is zero. +** +** The significant digits of the decimal representation are +** stored in p->z[] which is a often (but not always) a pointer +** into the middle of p->zBuf[]. There are p->n significant digits. +** The p->z[] array is *not* zero-terminated. +*/ +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){ + int i; + u64 v; + int e, exp = 0; + p->isSpecial = 0; + p->z = p->zBuf; + + /* Convert negative numbers to positive. Deal with Infinity, 0.0, and + ** NaN. */ + if( r<0.0 ){ + p->sign = '-'; + r = -r; + }else if( r==0.0 ){ + p->sign = '+'; + p->n = 1; + p->iDP = 1; + p->z = "0"; + return; + }else{ + p->sign = '+'; + } + memcpy(&v,&r,8); + e = v>>52; + if( (e&0x7ff)==0x7ff ){ + p->isSpecial = 1 + (v!=0x7ff0000000000000LL); + p->n = 0; + p->iDP = 0; + return; + } + + /* Multiply r by powers of ten until it lands somewhere in between + ** 1.0e+19 and 1.0e+17. + */ + if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE rr = r; + if( rr>=1.0e+19 ){ + while( rr>=1.0e+119L ){ exp+=100; rr *= 1.0e-100L; } + while( rr>=1.0e+29L ){ exp+=10; rr *= 1.0e-10L; } + while( rr>=1.0e+19L ){ exp++; rr *= 1.0e-1L; } + }else{ + while( rr<1.0e-97L ){ exp-=100; rr *= 1.0e+100L; } + while( rr<1.0e+07L ){ exp-=10; rr *= 1.0e+10L; } + while( rr<1.0e+17L ){ exp--; rr *= 1.0e+1L; } + } + v = (u64)rr; + }else{ + /* If high-precision floating point is not available using "long double", + ** then use Dekker-style double-double computation to increase the + ** precision. + ** + ** The error terms on constants like 1.0e+100 computed using the + ** decimal extension, for example as follows: + ** + ** SELECT decimal_exp(decimal_sub('1.0e+100',decimal(1.0e+100))); + */ + double rr[2]; + rr[0] = r; + rr[1] = 0.0; + if( rr[0]>1.84e+19 ){ + while( rr[0]>1.84e+119 ){ + exp += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( rr[0]>1.84e+29 ){ + exp += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( rr[0]>1.84e+19 ){ + exp += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); + } + }else{ + while( rr[0]<1.84e-82 ){ + exp -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( rr[0]<1.84e+08 ){ + exp -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( rr[0]<1.84e+18 ){ + exp -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + } + v = rr[1]<0.0 ? (u64)rr[0]-(u64)(-rr[1]) : (u64)rr[0]+(u64)rr[1]; + } + + + /* Extract significant digits. */ + i = sizeof(p->zBuf)-1; + assert( v>0 ); + while( v ){ p->zBuf[i--] = (v%10) + '0'; v /= 10; } + assert( i>=0 && izBuf)-1 ); + p->n = sizeof(p->zBuf) - 1 - i; + assert( p->n>0 ); + assert( p->nzBuf) ); + p->iDP = p->n + exp; + if( iRound<0 ){ + iRound = p->iDP - iRound; + if( iRound==0 && p->zBuf[i+1]>='5' ){ + iRound = 1; + p->zBuf[i--] = '0'; + p->n++; + p->iDP++; + } + } + if( iRound>0 && (iRoundn || p->n>mxRound) ){ + char *z = &p->zBuf[i+1]; + if( iRound>mxRound ) iRound = mxRound; + p->n = iRound; + if( z[iRound]>='5' ){ + int j = iRound-1; + while( 1 /*exit-by-break*/ ){ + z[j]++; + if( z[j]<='9' ) break; + z[j] = '0'; + if( j==0 ){ + p->z[i--] = '1'; + p->n++; + p->iDP++; + break; + }else{ + j--; + } + } + } + } + p->z = &p->zBuf[i+1]; + assert( i+p->n < sizeof(p->zBuf) ); + while( ALWAYS(p->n>0) && p->z[p->n-1]=='0' ){ p->n--; } +} + /* ** Try to convert z into an unsigned 32-bit integer. Return true on ** success and false if there is an error. @@ -32546,13 +35757,13 @@ static void logBadConnection(const char *zType){ ** used as an argument to sqlite3_errmsg() or sqlite3_close(). */ SQLITE_PRIVATE int sqlite3SafetyCheckOk(sqlite3 *db){ - u32 magic; + u8 eOpenState; if( db==0 ){ logBadConnection("NULL"); return 0; } - magic = db->magic; - if( magic!=SQLITE_MAGIC_OPEN ){ + eOpenState = db->eOpenState; + if( eOpenState!=SQLITE_STATE_OPEN ){ if( sqlite3SafetyCheckSickOrOk(db) ){ testcase( sqlite3GlobalConfig.xLog!=0 ); logBadConnection("unopened"); @@ -32563,11 +35774,11 @@ SQLITE_PRIVATE int sqlite3SafetyCheckOk(sqlite3 *db){ } } SQLITE_PRIVATE int sqlite3SafetyCheckSickOrOk(sqlite3 *db){ - u32 magic; - magic = db->magic; - if( magic!=SQLITE_MAGIC_SICK && - magic!=SQLITE_MAGIC_OPEN && - magic!=SQLITE_MAGIC_BUSY ){ + u8 eOpenState; + eOpenState = db->eOpenState; + if( eOpenState!=SQLITE_STATE_SICK && + eOpenState!=SQLITE_STATE_OPEN && + eOpenState!=SQLITE_STATE_BUSY ){ testcase( sqlite3GlobalConfig.xLog!=0 ); logBadConnection("invalid"); return 0; @@ -32577,7 +35788,7 @@ SQLITE_PRIVATE int sqlite3SafetyCheckSickOrOk(sqlite3 *db){ } /* -** Attempt to add, substract, or multiply the 64-bit signed value iB against +** Attempt to add, subtract, or multiply the 64-bit signed value iB against ** the other 64-bit signed integer at *pA and store the result in *pA. ** Return 0 on success. Or if the operation would have resulted in an ** overflow, leave *pA unchanged and return 1. @@ -32732,7 +35943,6 @@ SQLITE_PRIVATE LogEst sqlite3LogEst(u64 x){ return a[x&7] + y - 10; } -#ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Convert a double into a LogEst ** In other words, compute an approximation for 10*log2(x). @@ -32747,16 +35957,9 @@ SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double x){ e = (a>>52) - 1022; return e*10; } -#endif /* SQLITE_OMIT_VIRTUALTABLE */ -#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \ - defined(SQLITE_ENABLE_STAT4) || \ - defined(SQLITE_EXPLAIN_ESTIMATED_ROWS) /* ** Convert a LogEst into an integer. -** -** Note that this routine is only used when one or more of various -** non-standard compile-time options is enabled. */ SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst x){ u64 n; @@ -32764,17 +35967,9 @@ SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst x){ x /= 10; if( n>=5 ) n -= 2; else if( n>=1 ) n -= 1; -#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \ - defined(SQLITE_EXPLAIN_ESTIMATED_ROWS) if( x>60 ) return (u64)LARGEST_INT64; -#else - /* If only SQLITE_ENABLE_STAT4 is on, then the largest input - ** possible to this routine is 310, resulting in a maximum x of 31 */ - assert( x<=60 ); -#endif return x>=3 ? (n+8)<<(x-3) : (n+8)>>(3-x); } -#endif /* defined SCANSTAT or STAT4 or ESTIMATED_ROWS */ /* ** Add a new name/number pair to a VList. This might require that the @@ -32879,6 +36074,104 @@ SQLITE_PRIVATE int sqlite3VListNameToNum(VList *pIn, const char *zName, int nNam return 0; } +/* +** High-resolution hardware timer used for debugging and testing only. +*/ +#if defined(VDBE_PROFILE) \ + || defined(SQLITE_PERFORMANCE_TRACE) \ + || defined(SQLITE_ENABLE_STMT_SCANSTATUS) +/************** Include hwtime.h in the middle of util.c *********************/ +/************** Begin file hwtime.h ******************************************/ +/* +** 2008 May 27 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This file contains inline asm code for retrieving "high-performance" +** counters for x86 and x86_64 class CPUs. +*/ +#ifndef SQLITE_HWTIME_H +#define SQLITE_HWTIME_H + +/* +** The following routine only works on Pentium-class (or newer) processors. +** It uses the RDTSC opcode to read the cycle count value out of the +** processor and returns that value. This can be used for high-res +** profiling. +*/ +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) + + #if defined(__GNUC__) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned int lo, hi; + __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); + return (sqlite_uint64)hi << 32 | lo; + } + + #elif defined(_MSC_VER) + + __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ + __asm { + rdtsc + ret ; return value at EDX:EAX + } + } + + #endif + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned int lo, hi; + __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); + return (sqlite_uint64)hi << 32 | lo; + } + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned long long retval; + unsigned long junk; + __asm__ __volatile__ ("\n\ + 1: mftbu %1\n\ + mftb %L0\n\ + mftbu %0\n\ + cmpw %0,%1\n\ + bne 1b" + : "=r" (retval), "=r" (junk)); + return retval; + } + +#else + + /* + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. + */ +SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } + +#endif + +#endif /* !defined(SQLITE_HWTIME_H) */ + +/************** End of hwtime.h **********************************************/ +/************** Continuing where we left off in util.c ***********************/ +#endif + /************** End of util.c ************************************************/ /************** Begin file hash.c ********************************************/ /* @@ -32980,7 +36273,7 @@ static void insertElement( } -/* Resize the hash table so that it cantains "new_size" buckets. +/* Resize the hash table so that it contains "new_size" buckets. ** ** The hash table might fail to resize if sqlite3_malloc() fails or ** if the new size is the same as the prior size. @@ -33049,12 +36342,13 @@ static HashElem *findElementWithHash( count = pH->count; } if( pHash ) *pHash = h; - while( count-- ){ + while( count ){ assert( elem!=0 ); if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; + count--; } return &nullElement; } @@ -33168,53 +36462,53 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 0 */ "Savepoint" OpHelp(""), /* 1 */ "AutoCommit" OpHelp(""), /* 2 */ "Transaction" OpHelp(""), - /* 3 */ "SorterNext" OpHelp(""), - /* 4 */ "Prev" OpHelp(""), - /* 5 */ "Next" OpHelp(""), - /* 6 */ "Checkpoint" OpHelp(""), - /* 7 */ "JournalMode" OpHelp(""), - /* 8 */ "Vacuum" OpHelp(""), - /* 9 */ "VFilter" OpHelp("iplan=r[P3] zplan='P4'"), - /* 10 */ "VUpdate" OpHelp("data=r[P3@P2]"), - /* 11 */ "Goto" OpHelp(""), - /* 12 */ "Gosub" OpHelp(""), - /* 13 */ "InitCoroutine" OpHelp(""), - /* 14 */ "Yield" OpHelp(""), - /* 15 */ "MustBeInt" OpHelp(""), - /* 16 */ "Jump" OpHelp(""), - /* 17 */ "Once" OpHelp(""), - /* 18 */ "If" OpHelp(""), + /* 3 */ "Checkpoint" OpHelp(""), + /* 4 */ "JournalMode" OpHelp(""), + /* 5 */ "Vacuum" OpHelp(""), + /* 6 */ "VFilter" OpHelp("iplan=r[P3] zplan='P4'"), + /* 7 */ "VUpdate" OpHelp("data=r[P3@P2]"), + /* 8 */ "Init" OpHelp("Start at P2"), + /* 9 */ "Goto" OpHelp(""), + /* 10 */ "Gosub" OpHelp(""), + /* 11 */ "InitCoroutine" OpHelp(""), + /* 12 */ "Yield" OpHelp(""), + /* 13 */ "MustBeInt" OpHelp(""), + /* 14 */ "Jump" OpHelp(""), + /* 15 */ "Once" OpHelp(""), + /* 16 */ "If" OpHelp(""), + /* 17 */ "IfNot" OpHelp(""), + /* 18 */ "IsType" OpHelp("if typeof(P1.P3) in P5 goto P2"), /* 19 */ "Not" OpHelp("r[P2]= !r[P1]"), - /* 20 */ "IfNot" OpHelp(""), - /* 21 */ "IfNullRow" OpHelp("if P1.nullRow then r[P3]=NULL, goto P2"), - /* 22 */ "SeekLT" OpHelp("key=r[P3@P4]"), - /* 23 */ "SeekLE" OpHelp("key=r[P3@P4]"), - /* 24 */ "SeekGE" OpHelp("key=r[P3@P4]"), - /* 25 */ "SeekGT" OpHelp("key=r[P3@P4]"), - /* 26 */ "IfNotOpen" OpHelp("if( !csr[P1] ) goto P2"), - /* 27 */ "IfNoHope" OpHelp("key=r[P3@P4]"), - /* 28 */ "NoConflict" OpHelp("key=r[P3@P4]"), - /* 29 */ "NotFound" OpHelp("key=r[P3@P4]"), - /* 30 */ "Found" OpHelp("key=r[P3@P4]"), - /* 31 */ "SeekRowid" OpHelp("intkey=r[P3]"), - /* 32 */ "NotExists" OpHelp("intkey=r[P3]"), - /* 33 */ "Last" OpHelp(""), - /* 34 */ "IfSmaller" OpHelp(""), - /* 35 */ "SorterSort" OpHelp(""), - /* 36 */ "Sort" OpHelp(""), - /* 37 */ "Rewind" OpHelp(""), - /* 38 */ "IdxLE" OpHelp("key=r[P3@P4]"), - /* 39 */ "IdxGT" OpHelp("key=r[P3@P4]"), - /* 40 */ "IdxLT" OpHelp("key=r[P3@P4]"), - /* 41 */ "IdxGE" OpHelp("key=r[P3@P4]"), - /* 42 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), + /* 20 */ "IfNullRow" OpHelp("if P1.nullRow then r[P3]=NULL, goto P2"), + /* 21 */ "SeekLT" OpHelp("key=r[P3@P4]"), + /* 22 */ "SeekLE" OpHelp("key=r[P3@P4]"), + /* 23 */ "SeekGE" OpHelp("key=r[P3@P4]"), + /* 24 */ "SeekGT" OpHelp("key=r[P3@P4]"), + /* 25 */ "IfNotOpen" OpHelp("if( !csr[P1] ) goto P2"), + /* 26 */ "IfNoHope" OpHelp("key=r[P3@P4]"), + /* 27 */ "NoConflict" OpHelp("key=r[P3@P4]"), + /* 28 */ "NotFound" OpHelp("key=r[P3@P4]"), + /* 29 */ "Found" OpHelp("key=r[P3@P4]"), + /* 30 */ "SeekRowid" OpHelp("intkey=r[P3]"), + /* 31 */ "NotExists" OpHelp("intkey=r[P3]"), + /* 32 */ "Last" OpHelp(""), + /* 33 */ "IfSmaller" OpHelp(""), + /* 34 */ "SorterSort" OpHelp(""), + /* 35 */ "Sort" OpHelp(""), + /* 36 */ "Rewind" OpHelp(""), + /* 37 */ "SorterNext" OpHelp(""), + /* 38 */ "Prev" OpHelp(""), + /* 39 */ "Next" OpHelp(""), + /* 40 */ "IdxLE" OpHelp("key=r[P3@P4]"), + /* 41 */ "IdxGT" OpHelp("key=r[P3@P4]"), + /* 42 */ "IdxLT" OpHelp("key=r[P3@P4]"), /* 43 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 44 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), - /* 45 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), - /* 46 */ "Program" OpHelp(""), - /* 47 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), - /* 48 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), - /* 49 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), + /* 45 */ "IdxGE" OpHelp("key=r[P3@P4]"), + /* 46 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), + /* 47 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), + /* 48 */ "Program" OpHelp(""), + /* 49 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), /* 50 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 51 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 52 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), @@ -33223,130 +36517,1123 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 55 */ "Le" OpHelp("IF r[P3]<=r[P1]"), /* 56 */ "Lt" OpHelp("IF r[P3]=r[P1]"), - /* 58 */ "ElseNotEq" OpHelp(""), - /* 59 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), - /* 60 */ "IncrVacuum" OpHelp(""), - /* 61 */ "VNext" OpHelp(""), - /* 62 */ "Init" OpHelp("Start at P2"), - /* 63 */ "PureFunc" OpHelp("r[P3]=func(r[P2@NP])"), - /* 64 */ "Function" OpHelp("r[P3]=func(r[P2@NP])"), - /* 65 */ "Return" OpHelp(""), - /* 66 */ "EndCoroutine" OpHelp(""), - /* 67 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), - /* 68 */ "Halt" OpHelp(""), - /* 69 */ "Integer" OpHelp("r[P2]=P1"), - /* 70 */ "Int64" OpHelp("r[P2]=P4"), - /* 71 */ "String" OpHelp("r[P2]='P4' (len=P1)"), - /* 72 */ "Null" OpHelp("r[P2..P3]=NULL"), - /* 73 */ "SoftNull" OpHelp("r[P1]=NULL"), - /* 74 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), - /* 75 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), - /* 76 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), - /* 77 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), - /* 78 */ "SCopy" OpHelp("r[P2]=r[P1]"), - /* 79 */ "IntCopy" OpHelp("r[P2]=r[P1]"), - /* 80 */ "ResultRow" OpHelp("output=r[P1@P2]"), - /* 81 */ "CollSeq" OpHelp(""), - /* 82 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), - /* 83 */ "RealAffinity" OpHelp(""), - /* 84 */ "Cast" OpHelp("affinity(r[P1])"), - /* 85 */ "Permutation" OpHelp(""), - /* 86 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), - /* 87 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), - /* 88 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), - /* 89 */ "Column" OpHelp("r[P3]=PX"), - /* 90 */ "Affinity" OpHelp("affinity(r[P1@P2])"), - /* 91 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), - /* 92 */ "Count" OpHelp("r[P2]=count()"), - /* 93 */ "ReadCookie" OpHelp(""), - /* 94 */ "SetCookie" OpHelp(""), - /* 95 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), - /* 96 */ "OpenRead" OpHelp("root=P2 iDb=P3"), - /* 97 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), - /* 98 */ "OpenDup" OpHelp(""), - /* 99 */ "OpenAutoindex" OpHelp("nColumn=P2"), - /* 100 */ "OpenEphemeral" OpHelp("nColumn=P2"), - /* 101 */ "BitAnd" OpHelp("r[P3]=r[P1]&r[P2]"), - /* 102 */ "BitOr" OpHelp("r[P3]=r[P1]|r[P2]"), - /* 103 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<>r[P1]"), - /* 105 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), - /* 106 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), - /* 107 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), - /* 108 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), - /* 109 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), - /* 110 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), - /* 111 */ "SorterOpen" OpHelp(""), - /* 112 */ "BitNot" OpHelp("r[P2]= ~r[P1]"), - /* 113 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), - /* 114 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), - /* 115 */ "String8" OpHelp("r[P2]='P4'"), - /* 116 */ "Close" OpHelp(""), - /* 117 */ "ColumnsUsed" OpHelp(""), - /* 118 */ "SeekHit" OpHelp("seekHit=P2"), - /* 119 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), - /* 120 */ "NewRowid" OpHelp("r[P2]=rowid"), - /* 121 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), - /* 122 */ "Delete" OpHelp(""), - /* 123 */ "ResetCount" OpHelp(""), - /* 124 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), - /* 125 */ "SorterData" OpHelp("r[P2]=data"), - /* 126 */ "RowData" OpHelp("r[P2]=data"), - /* 127 */ "Rowid" OpHelp("r[P2]=rowid"), - /* 128 */ "NullRow" OpHelp(""), - /* 129 */ "SeekEnd" OpHelp(""), - /* 130 */ "IdxInsert" OpHelp("key=r[P2]"), - /* 131 */ "SorterInsert" OpHelp("key=r[P2]"), - /* 132 */ "IdxDelete" OpHelp("key=r[P2@P3]"), - /* 133 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), - /* 134 */ "IdxRowid" OpHelp("r[P2]=rowid"), - /* 135 */ "FinishSeek" OpHelp(""), - /* 136 */ "Destroy" OpHelp(""), - /* 137 */ "Clear" OpHelp(""), - /* 138 */ "ResetSorter" OpHelp(""), - /* 139 */ "CreateBtree" OpHelp("r[P2]=root iDb=P1 flags=P3"), - /* 140 */ "SqlExec" OpHelp(""), - /* 141 */ "ParseSchema" OpHelp(""), - /* 142 */ "LoadAnalysis" OpHelp(""), - /* 143 */ "DropTable" OpHelp(""), - /* 144 */ "DropIndex" OpHelp(""), - /* 145 */ "DropTrigger" OpHelp(""), - /* 146 */ "IntegrityCk" OpHelp(""), - /* 147 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), - /* 148 */ "Param" OpHelp(""), - /* 149 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), - /* 150 */ "Real" OpHelp("r[P2]=P4"), - /* 151 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), - /* 152 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), - /* 153 */ "AggInverse" OpHelp("accum=r[P3] inverse(r[P2@P5])"), - /* 154 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 155 */ "AggStep1" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 156 */ "AggValue" OpHelp("r[P3]=value N=P2"), - /* 157 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), - /* 158 */ "Expire" OpHelp(""), - /* 159 */ "CursorLock" OpHelp(""), - /* 160 */ "CursorUnlock" OpHelp(""), - /* 161 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), - /* 162 */ "VBegin" OpHelp(""), - /* 163 */ "VCreate" OpHelp(""), - /* 164 */ "VDestroy" OpHelp(""), - /* 165 */ "VOpen" OpHelp(""), - /* 166 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), - /* 167 */ "VRename" OpHelp(""), - /* 168 */ "Pagecount" OpHelp(""), - /* 169 */ "MaxPgcnt" OpHelp(""), - /* 170 */ "Trace" OpHelp(""), - /* 171 */ "CursorHint" OpHelp(""), - /* 172 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), - /* 173 */ "Noop" OpHelp(""), - /* 174 */ "Explain" OpHelp(""), - /* 175 */ "Abortable" OpHelp(""), + /* 58 */ "ElseEq" OpHelp(""), + /* 59 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), + /* 60 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), + /* 61 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), + /* 62 */ "IncrVacuum" OpHelp(""), + /* 63 */ "VNext" OpHelp(""), + /* 64 */ "Filter" OpHelp("if key(P3@P4) not in filter(P1) goto P2"), + /* 65 */ "PureFunc" OpHelp("r[P3]=func(r[P2@NP])"), + /* 66 */ "Function" OpHelp("r[P3]=func(r[P2@NP])"), + /* 67 */ "Return" OpHelp(""), + /* 68 */ "EndCoroutine" OpHelp(""), + /* 69 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), + /* 70 */ "Halt" OpHelp(""), + /* 71 */ "Integer" OpHelp("r[P2]=P1"), + /* 72 */ "Int64" OpHelp("r[P2]=P4"), + /* 73 */ "String" OpHelp("r[P2]='P4' (len=P1)"), + /* 74 */ "BeginSubrtn" OpHelp("r[P2]=NULL"), + /* 75 */ "Null" OpHelp("r[P2..P3]=NULL"), + /* 76 */ "SoftNull" OpHelp("r[P1]=NULL"), + /* 77 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), + /* 78 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), + /* 79 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), + /* 80 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), + /* 81 */ "SCopy" OpHelp("r[P2]=r[P1]"), + /* 82 */ "IntCopy" OpHelp("r[P2]=r[P1]"), + /* 83 */ "FkCheck" OpHelp(""), + /* 84 */ "ResultRow" OpHelp("output=r[P1@P2]"), + /* 85 */ "CollSeq" OpHelp(""), + /* 86 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), + /* 87 */ "RealAffinity" OpHelp(""), + /* 88 */ "Cast" OpHelp("affinity(r[P1])"), + /* 89 */ "Permutation" OpHelp(""), + /* 90 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), + /* 91 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), + /* 92 */ "ZeroOrNull" OpHelp("r[P2] = 0 OR NULL"), + /* 93 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), + /* 94 */ "Column" OpHelp("r[P3]=PX cursor P1 column P2"), + /* 95 */ "TypeCheck" OpHelp("typecheck(r[P1@P2])"), + /* 96 */ "Affinity" OpHelp("affinity(r[P1@P2])"), + /* 97 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), + /* 98 */ "Count" OpHelp("r[P2]=count()"), + /* 99 */ "ReadCookie" OpHelp(""), + /* 100 */ "SetCookie" OpHelp(""), + /* 101 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), + /* 102 */ "BitAnd" OpHelp("r[P3]=r[P1]&r[P2]"), + /* 103 */ "BitOr" OpHelp("r[P3]=r[P1]|r[P2]"), + /* 104 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<>r[P1]"), + /* 106 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), + /* 107 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), + /* 108 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), + /* 109 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), + /* 110 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), + /* 111 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), + /* 112 */ "OpenRead" OpHelp("root=P2 iDb=P3"), + /* 113 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), + /* 114 */ "BitNot" OpHelp("r[P2]= ~r[P1]"), + /* 115 */ "OpenDup" OpHelp(""), + /* 116 */ "OpenAutoindex" OpHelp("nColumn=P2"), + /* 117 */ "String8" OpHelp("r[P2]='P4'"), + /* 118 */ "OpenEphemeral" OpHelp("nColumn=P2"), + /* 119 */ "SorterOpen" OpHelp(""), + /* 120 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), + /* 121 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), + /* 122 */ "Close" OpHelp(""), + /* 123 */ "ColumnsUsed" OpHelp(""), + /* 124 */ "SeekScan" OpHelp("Scan-ahead up to P1 rows"), + /* 125 */ "SeekHit" OpHelp("set P2<=seekHit<=P3"), + /* 126 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), + /* 127 */ "NewRowid" OpHelp("r[P2]=rowid"), + /* 128 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), + /* 129 */ "RowCell" OpHelp(""), + /* 130 */ "Delete" OpHelp(""), + /* 131 */ "ResetCount" OpHelp(""), + /* 132 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), + /* 133 */ "SorterData" OpHelp("r[P2]=data"), + /* 134 */ "RowData" OpHelp("r[P2]=data"), + /* 135 */ "Rowid" OpHelp("r[P2]=PX rowid of P1"), + /* 136 */ "NullRow" OpHelp(""), + /* 137 */ "SeekEnd" OpHelp(""), + /* 138 */ "IdxInsert" OpHelp("key=r[P2]"), + /* 139 */ "SorterInsert" OpHelp("key=r[P2]"), + /* 140 */ "IdxDelete" OpHelp("key=r[P2@P3]"), + /* 141 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), + /* 142 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 143 */ "FinishSeek" OpHelp(""), + /* 144 */ "Destroy" OpHelp(""), + /* 145 */ "Clear" OpHelp(""), + /* 146 */ "ResetSorter" OpHelp(""), + /* 147 */ "CreateBtree" OpHelp("r[P2]=root iDb=P1 flags=P3"), + /* 148 */ "SqlExec" OpHelp(""), + /* 149 */ "ParseSchema" OpHelp(""), + /* 150 */ "LoadAnalysis" OpHelp(""), + /* 151 */ "DropTable" OpHelp(""), + /* 152 */ "DropIndex" OpHelp(""), + /* 153 */ "Real" OpHelp("r[P2]=P4"), + /* 154 */ "DropTrigger" OpHelp(""), + /* 155 */ "IntegrityCk" OpHelp(""), + /* 156 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), + /* 157 */ "Param" OpHelp(""), + /* 158 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), + /* 159 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), + /* 160 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), + /* 161 */ "AggInverse" OpHelp("accum=r[P3] inverse(r[P2@P5])"), + /* 162 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 163 */ "AggStep1" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 164 */ "AggValue" OpHelp("r[P3]=value N=P2"), + /* 165 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), + /* 166 */ "Expire" OpHelp(""), + /* 167 */ "CursorLock" OpHelp(""), + /* 168 */ "CursorUnlock" OpHelp(""), + /* 169 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), + /* 170 */ "VBegin" OpHelp(""), + /* 171 */ "VCreate" OpHelp(""), + /* 172 */ "VDestroy" OpHelp(""), + /* 173 */ "VOpen" OpHelp(""), + /* 174 */ "VInitIn" OpHelp("r[P2]=ValueList(P1,P3)"), + /* 175 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), + /* 176 */ "VRename" OpHelp(""), + /* 177 */ "Pagecount" OpHelp(""), + /* 178 */ "MaxPgcnt" OpHelp(""), + /* 179 */ "ClrSubtype" OpHelp("r[P1].subtype = 0"), + /* 180 */ "FilterAdd" OpHelp("filter(P1) += key(P3@P4)"), + /* 181 */ "Trace" OpHelp(""), + /* 182 */ "CursorHint" OpHelp(""), + /* 183 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), + /* 184 */ "Noop" OpHelp(""), + /* 185 */ "Explain" OpHelp(""), + /* 186 */ "Abortable" OpHelp(""), }; return azName[i]; } #endif /************** End of opcodes.c *********************************************/ +/************** Begin file os_kv.c *******************************************/ +/* +** 2022-09-06 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This file contains an experimental VFS layer that operates on a +** Key/Value storage engine where both keys and values must be pure +** text. +*/ +/* #include */ +#if SQLITE_OS_KV || (SQLITE_OS_UNIX && defined(SQLITE_OS_KV_OPTIONAL)) + +/***************************************************************************** +** Debugging logic +*/ + +/* SQLITE_KV_TRACE() is used for tracing calls to kvstorage routines. */ +#if 0 +#define SQLITE_KV_TRACE(X) printf X +#else +#define SQLITE_KV_TRACE(X) +#endif + +/* SQLITE_KV_LOG() is used for tracing calls to the VFS interface */ +#if 0 +#define SQLITE_KV_LOG(X) printf X +#else +#define SQLITE_KV_LOG(X) +#endif + + +/* +** Forward declaration of objects used by this VFS implementation +*/ +typedef struct KVVfsFile KVVfsFile; + +/* A single open file. There are only two files represented by this +** VFS - the database and the rollback journal. +*/ +struct KVVfsFile { + sqlite3_file base; /* IO methods */ + const char *zClass; /* Storage class */ + int isJournal; /* True if this is a journal file */ + unsigned int nJrnl; /* Space allocated for aJrnl[] */ + char *aJrnl; /* Journal content */ + int szPage; /* Last known page size */ + sqlite3_int64 szDb; /* Database file size. -1 means unknown */ + char *aData; /* Buffer to hold page data */ +}; +#define SQLITE_KVOS_SZ 133073 + +/* +** Methods for KVVfsFile +*/ +static int kvvfsClose(sqlite3_file*); +static int kvvfsReadDb(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst); +static int kvvfsReadJrnl(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst); +static int kvvfsWriteDb(sqlite3_file*,const void*,int iAmt, sqlite3_int64); +static int kvvfsWriteJrnl(sqlite3_file*,const void*,int iAmt, sqlite3_int64); +static int kvvfsTruncateDb(sqlite3_file*, sqlite3_int64 size); +static int kvvfsTruncateJrnl(sqlite3_file*, sqlite3_int64 size); +static int kvvfsSyncDb(sqlite3_file*, int flags); +static int kvvfsSyncJrnl(sqlite3_file*, int flags); +static int kvvfsFileSizeDb(sqlite3_file*, sqlite3_int64 *pSize); +static int kvvfsFileSizeJrnl(sqlite3_file*, sqlite3_int64 *pSize); +static int kvvfsLock(sqlite3_file*, int); +static int kvvfsUnlock(sqlite3_file*, int); +static int kvvfsCheckReservedLock(sqlite3_file*, int *pResOut); +static int kvvfsFileControlDb(sqlite3_file*, int op, void *pArg); +static int kvvfsFileControlJrnl(sqlite3_file*, int op, void *pArg); +static int kvvfsSectorSize(sqlite3_file*); +static int kvvfsDeviceCharacteristics(sqlite3_file*); + +/* +** Methods for sqlite3_vfs +*/ +static int kvvfsOpen(sqlite3_vfs*, const char *, sqlite3_file*, int , int *); +static int kvvfsDelete(sqlite3_vfs*, const char *zName, int syncDir); +static int kvvfsAccess(sqlite3_vfs*, const char *zName, int flags, int *); +static int kvvfsFullPathname(sqlite3_vfs*, const char *zName, int, char *zOut); +static void *kvvfsDlOpen(sqlite3_vfs*, const char *zFilename); +static int kvvfsRandomness(sqlite3_vfs*, int nByte, char *zOut); +static int kvvfsSleep(sqlite3_vfs*, int microseconds); +static int kvvfsCurrentTime(sqlite3_vfs*, double*); +static int kvvfsCurrentTimeInt64(sqlite3_vfs*, sqlite3_int64*); + +static sqlite3_vfs sqlite3OsKvvfsObject = { + 1, /* iVersion */ + sizeof(KVVfsFile), /* szOsFile */ + 1024, /* mxPathname */ + 0, /* pNext */ + "kvvfs", /* zName */ + 0, /* pAppData */ + kvvfsOpen, /* xOpen */ + kvvfsDelete, /* xDelete */ + kvvfsAccess, /* xAccess */ + kvvfsFullPathname, /* xFullPathname */ + kvvfsDlOpen, /* xDlOpen */ + 0, /* xDlError */ + 0, /* xDlSym */ + 0, /* xDlClose */ + kvvfsRandomness, /* xRandomness */ + kvvfsSleep, /* xSleep */ + kvvfsCurrentTime, /* xCurrentTime */ + 0, /* xGetLastError */ + kvvfsCurrentTimeInt64 /* xCurrentTimeInt64 */ +}; + +/* Methods for sqlite3_file objects referencing a database file +*/ +static sqlite3_io_methods kvvfs_db_io_methods = { + 1, /* iVersion */ + kvvfsClose, /* xClose */ + kvvfsReadDb, /* xRead */ + kvvfsWriteDb, /* xWrite */ + kvvfsTruncateDb, /* xTruncate */ + kvvfsSyncDb, /* xSync */ + kvvfsFileSizeDb, /* xFileSize */ + kvvfsLock, /* xLock */ + kvvfsUnlock, /* xUnlock */ + kvvfsCheckReservedLock, /* xCheckReservedLock */ + kvvfsFileControlDb, /* xFileControl */ + kvvfsSectorSize, /* xSectorSize */ + kvvfsDeviceCharacteristics, /* xDeviceCharacteristics */ + 0, /* xShmMap */ + 0, /* xShmLock */ + 0, /* xShmBarrier */ + 0, /* xShmUnmap */ + 0, /* xFetch */ + 0 /* xUnfetch */ +}; + +/* Methods for sqlite3_file objects referencing a rollback journal +*/ +static sqlite3_io_methods kvvfs_jrnl_io_methods = { + 1, /* iVersion */ + kvvfsClose, /* xClose */ + kvvfsReadJrnl, /* xRead */ + kvvfsWriteJrnl, /* xWrite */ + kvvfsTruncateJrnl, /* xTruncate */ + kvvfsSyncJrnl, /* xSync */ + kvvfsFileSizeJrnl, /* xFileSize */ + kvvfsLock, /* xLock */ + kvvfsUnlock, /* xUnlock */ + kvvfsCheckReservedLock, /* xCheckReservedLock */ + kvvfsFileControlJrnl, /* xFileControl */ + kvvfsSectorSize, /* xSectorSize */ + kvvfsDeviceCharacteristics, /* xDeviceCharacteristics */ + 0, /* xShmMap */ + 0, /* xShmLock */ + 0, /* xShmBarrier */ + 0, /* xShmUnmap */ + 0, /* xFetch */ + 0 /* xUnfetch */ +}; + +/****** Storage subsystem **************************************************/ +#include +#include +#include + +/* Forward declarations for the low-level storage engine +*/ +static int kvstorageWrite(const char*, const char *zKey, const char *zData); +static int kvstorageDelete(const char*, const char *zKey); +static int kvstorageRead(const char*, const char *zKey, char *zBuf, int nBuf); +#define KVSTORAGE_KEY_SZ 32 + +/* Expand the key name with an appropriate prefix and put the result +** zKeyOut[]. The zKeyOut[] buffer is assumed to hold at least +** KVSTORAGE_KEY_SZ bytes. +*/ +static void kvstorageMakeKey( + const char *zClass, + const char *zKeyIn, + char *zKeyOut +){ + sqlite3_snprintf(KVSTORAGE_KEY_SZ, zKeyOut, "kvvfs-%s-%s", zClass, zKeyIn); +} + +/* Write content into a key. zClass is the particular namespace of the +** underlying key/value store to use - either "local" or "session". +** +** Both zKey and zData are zero-terminated pure text strings. +** +** Return the number of errors. +*/ +static int kvstorageWrite( + const char *zClass, + const char *zKey, + const char *zData +){ + FILE *fd; + char zXKey[KVSTORAGE_KEY_SZ]; + kvstorageMakeKey(zClass, zKey, zXKey); + fd = fopen(zXKey, "wb"); + if( fd ){ + SQLITE_KV_TRACE(("KVVFS-WRITE %-15s (%d) %.50s%s\n", zXKey, + (int)strlen(zData), zData, + strlen(zData)>50 ? "..." : "")); + fputs(zData, fd); + fclose(fd); + return 0; + }else{ + return 1; + } +} + +/* Delete a key (with its corresponding data) from the key/value +** namespace given by zClass. If the key does not previously exist, +** this routine is a no-op. +*/ +static int kvstorageDelete(const char *zClass, const char *zKey){ + char zXKey[KVSTORAGE_KEY_SZ]; + kvstorageMakeKey(zClass, zKey, zXKey); + unlink(zXKey); + SQLITE_KV_TRACE(("KVVFS-DELETE %-15s\n", zXKey)); + return 0; +} + +/* Read the value associated with a zKey from the key/value namespace given +** by zClass and put the text data associated with that key in the first +** nBuf bytes of zBuf[]. The value might be truncated if zBuf is not large +** enough to hold it all. The value put into zBuf must always be zero +** terminated, even if it gets truncated because nBuf is not large enough. +** +** Return the total number of bytes in the data, without truncation, and +** not counting the final zero terminator. Return -1 if the key does +** not exist. +** +** If nBuf<=0 then this routine simply returns the size of the data without +** actually reading it. +*/ +static int kvstorageRead( + const char *zClass, + const char *zKey, + char *zBuf, + int nBuf +){ + FILE *fd; + struct stat buf; + char zXKey[KVSTORAGE_KEY_SZ]; + kvstorageMakeKey(zClass, zKey, zXKey); + if( access(zXKey, R_OK)!=0 + || stat(zXKey, &buf)!=0 + || !S_ISREG(buf.st_mode) + ){ + SQLITE_KV_TRACE(("KVVFS-READ %-15s (-1)\n", zXKey)); + return -1; + } + if( nBuf<=0 ){ + return (int)buf.st_size; + }else if( nBuf==1 ){ + zBuf[0] = 0; + SQLITE_KV_TRACE(("KVVFS-READ %-15s (%d)\n", zXKey, + (int)buf.st_size)); + return (int)buf.st_size; + } + if( nBuf > buf.st_size + 1 ){ + nBuf = buf.st_size + 1; + } + fd = fopen(zXKey, "rb"); + if( fd==0 ){ + SQLITE_KV_TRACE(("KVVFS-READ %-15s (-1)\n", zXKey)); + return -1; + }else{ + sqlite3_int64 n = fread(zBuf, 1, nBuf-1, fd); + fclose(fd); + zBuf[n] = 0; + SQLITE_KV_TRACE(("KVVFS-READ %-15s (%lld) %.50s%s\n", zXKey, + n, zBuf, n>50 ? "..." : "")); + return (int)n; + } +} + +/* +** An internal level of indirection which enables us to replace the +** kvvfs i/o methods with JavaScript implementations in WASM builds. +** Maintenance reminder: if this struct changes in any way, the JSON +** rendering of its structure must be updated in +** sqlite3_wasm_enum_json(). There are no binary compatibility +** concerns, so it does not need an iVersion member. This file is +** necessarily always compiled together with sqlite3_wasm_enum_json(), +** and JS code dynamically creates the mapping of members based on +** that JSON description. +*/ +typedef struct sqlite3_kvvfs_methods sqlite3_kvvfs_methods; +struct sqlite3_kvvfs_methods { + int (*xRead)(const char *zClass, const char *zKey, char *zBuf, int nBuf); + int (*xWrite)(const char *zClass, const char *zKey, const char *zData); + int (*xDelete)(const char *zClass, const char *zKey); + const int nKeySize; +}; + +/* +** This object holds the kvvfs I/O methods which may be swapped out +** for JavaScript-side implementations in WASM builds. In such builds +** it cannot be const, but in native builds it should be so that +** the compiler can hopefully optimize this level of indirection out. +** That said, kvvfs is intended primarily for use in WASM builds. +** +** Note that this is not explicitly flagged as static because the +** amalgamation build will tag it with SQLITE_PRIVATE. +*/ +#ifndef SQLITE_WASM +const +#endif +SQLITE_PRIVATE sqlite3_kvvfs_methods sqlite3KvvfsMethods = { +kvstorageRead, +kvstorageWrite, +kvstorageDelete, +KVSTORAGE_KEY_SZ +}; + +/****** Utility subroutines ************************************************/ + +/* +** Encode binary into the text encoded used to persist on disk. +** The output text is stored in aOut[], which must be at least +** nData+1 bytes in length. +** +** Return the actual length of the encoded text, not counting the +** zero terminator at the end. +** +** Encoding format +** --------------- +** +** * Non-zero bytes are encoded as upper-case hexadecimal +** +** * A sequence of one or more zero-bytes that are not at the +** beginning of the buffer are encoded as a little-endian +** base-26 number using a..z. "a" means 0. "b" means 1, +** "z" means 25. "ab" means 26. "ac" means 52. And so forth. +** +** * Because there is no overlap between the encoding characters +** of hexadecimal and base-26 numbers, it is always clear where +** one stops and the next begins. +*/ +static int kvvfsEncode(const char *aData, int nData, char *aOut){ + int i, j; + const unsigned char *a = (const unsigned char*)aData; + for(i=j=0; i>4]; + aOut[j++] = "0123456789ABCDEF"[c&0xf]; + }else{ + /* A sequence of 1 or more zeros is stored as a little-endian + ** base-26 number using a..z as the digits. So one zero is "b". + ** Two zeros is "c". 25 zeros is "z", 26 zeros is "ab", 27 is "bb", + ** and so forth. + */ + int k; + for(k=1; i+k0 ){ + aOut[j++] = 'a'+(k%26); + k /= 26; + } + } + } + aOut[j] = 0; + return j; +} + +static const signed char kvvfsHexValue[256] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 +}; + +/* +** Decode the text encoding back to binary. The binary content is +** written into pOut, which must be at least nOut bytes in length. +** +** The return value is the number of bytes actually written into aOut[]. +*/ +static int kvvfsDecode(const char *a, char *aOut, int nOut){ + int i, j; + int c; + const unsigned char *aIn = (const unsigned char*)a; + i = 0; + j = 0; + while( 1 ){ + c = kvvfsHexValue[aIn[i]]; + if( c<0 ){ + int n = 0; + int mult = 1; + c = aIn[i]; + if( c==0 ) break; + while( c>='a' && c<='z' ){ + n += (c - 'a')*mult; + mult *= 26; + c = aIn[++i]; + } + if( j+n>nOut ) return -1; + memset(&aOut[j], 0, n); + j += n; + if( c==0 || mult==1 ) break; /* progress stalled if mult==1 */ + }else{ + aOut[j] = c<<4; + c = kvvfsHexValue[aIn[++i]]; + if( c<0 ) break; + aOut[j++] += c; + i++; + } + } + return j; +} + +/* +** Decode a complete journal file. Allocate space in pFile->aJrnl +** and store the decoding there. Or leave pFile->aJrnl set to NULL +** if an error is encountered. +** +** The first few characters of the text encoding will be a little-endian +** base-26 number (digits a..z) that is the total number of bytes +** in the decoded journal file image. This base-26 number is followed +** by a single space, then the encoding of the journal. The space +** separator is required to act as a terminator for the base-26 number. +*/ +static void kvvfsDecodeJournal( + KVVfsFile *pFile, /* Store decoding in pFile->aJrnl */ + const char *zTxt, /* Text encoding. Zero-terminated */ + int nTxt /* Bytes in zTxt, excluding zero terminator */ +){ + unsigned int n = 0; + int c, i, mult; + i = 0; + mult = 1; + while( (c = zTxt[i++])>='a' && c<='z' ){ + n += (zTxt[i] - 'a')*mult; + mult *= 26; + } + sqlite3_free(pFile->aJrnl); + pFile->aJrnl = sqlite3_malloc64( n ); + if( pFile->aJrnl==0 ){ + pFile->nJrnl = 0; + return; + } + pFile->nJrnl = n; + n = kvvfsDecode(zTxt+i, pFile->aJrnl, pFile->nJrnl); + if( nnJrnl ){ + sqlite3_free(pFile->aJrnl); + pFile->aJrnl = 0; + pFile->nJrnl = 0; + } +} + +/* +** Read or write the "sz" element, containing the database file size. +*/ +static sqlite3_int64 kvvfsReadFileSize(KVVfsFile *pFile){ + char zData[50]; + zData[0] = 0; + sqlite3KvvfsMethods.xRead(pFile->zClass, "sz", zData, sizeof(zData)-1); + return strtoll(zData, 0, 0); +} +static int kvvfsWriteFileSize(KVVfsFile *pFile, sqlite3_int64 sz){ + char zData[50]; + sqlite3_snprintf(sizeof(zData), zData, "%lld", sz); + return sqlite3KvvfsMethods.xWrite(pFile->zClass, "sz", zData); +} + +/****** sqlite3_io_methods methods ******************************************/ + +/* +** Close an kvvfs-file. +*/ +static int kvvfsClose(sqlite3_file *pProtoFile){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + + SQLITE_KV_LOG(("xClose %s %s\n", pFile->zClass, + pFile->isJournal ? "journal" : "db")); + sqlite3_free(pFile->aJrnl); + sqlite3_free(pFile->aData); + return SQLITE_OK; +} + +/* +** Read from the -journal file. +*/ +static int kvvfsReadJrnl( + sqlite3_file *pProtoFile, + void *zBuf, + int iAmt, + sqlite_int64 iOfst +){ + KVVfsFile *pFile = (KVVfsFile*)pProtoFile; + assert( pFile->isJournal ); + SQLITE_KV_LOG(("xRead('%s-journal',%d,%lld)\n", pFile->zClass, iAmt, iOfst)); + if( pFile->aJrnl==0 ){ + int szTxt = kvstorageRead(pFile->zClass, "jrnl", 0, 0); + char *aTxt; + if( szTxt<=4 ){ + return SQLITE_IOERR; + } + aTxt = sqlite3_malloc64( szTxt+1 ); + if( aTxt==0 ) return SQLITE_NOMEM; + kvstorageRead(pFile->zClass, "jrnl", aTxt, szTxt+1); + kvvfsDecodeJournal(pFile, aTxt, szTxt); + sqlite3_free(aTxt); + if( pFile->aJrnl==0 ) return SQLITE_IOERR; + } + if( iOfst+iAmt>pFile->nJrnl ){ + return SQLITE_IOERR_SHORT_READ; + } + memcpy(zBuf, pFile->aJrnl+iOfst, iAmt); + return SQLITE_OK; +} + +/* +** Read from the database file. +*/ +static int kvvfsReadDb( + sqlite3_file *pProtoFile, + void *zBuf, + int iAmt, + sqlite_int64 iOfst +){ + KVVfsFile *pFile = (KVVfsFile*)pProtoFile; + unsigned int pgno; + int got, n; + char zKey[30]; + char *aData = pFile->aData; + assert( iOfst>=0 ); + assert( iAmt>=0 ); + SQLITE_KV_LOG(("xRead('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst)); + if( iOfst+iAmt>=512 ){ + if( (iOfst % iAmt)!=0 ){ + return SQLITE_IOERR_READ; + } + if( (iAmt & (iAmt-1))!=0 || iAmt<512 || iAmt>65536 ){ + return SQLITE_IOERR_READ; + } + pFile->szPage = iAmt; + pgno = 1 + iOfst/iAmt; + }else{ + pgno = 1; + } + sqlite3_snprintf(sizeof(zKey), zKey, "%u", pgno); + got = sqlite3KvvfsMethods.xRead(pFile->zClass, zKey, + aData, SQLITE_KVOS_SZ-1); + if( got<0 ){ + n = 0; + }else{ + aData[got] = 0; + if( iOfst+iAmt<512 ){ + int k = iOfst+iAmt; + aData[k*2] = 0; + n = kvvfsDecode(aData, &aData[2000], SQLITE_KVOS_SZ-2000); + if( n>=iOfst+iAmt ){ + memcpy(zBuf, &aData[2000+iOfst], iAmt); + n = iAmt; + }else{ + n = 0; + } + }else{ + n = kvvfsDecode(aData, zBuf, iAmt); + } + } + if( nzClass, iAmt, iOfst)); + if( iEnd>=0x10000000 ) return SQLITE_FULL; + if( pFile->aJrnl==0 || pFile->nJrnlaJrnl, iEnd); + if( aNew==0 ){ + return SQLITE_IOERR_NOMEM; + } + pFile->aJrnl = aNew; + if( pFile->nJrnlaJrnl+pFile->nJrnl, 0, iOfst-pFile->nJrnl); + } + pFile->nJrnl = iEnd; + } + memcpy(pFile->aJrnl+iOfst, zBuf, iAmt); + return SQLITE_OK; +} + +/* +** Write into the database file. +*/ +static int kvvfsWriteDb( + sqlite3_file *pProtoFile, + const void *zBuf, + int iAmt, + sqlite_int64 iOfst +){ + KVVfsFile *pFile = (KVVfsFile*)pProtoFile; + unsigned int pgno; + char zKey[30]; + char *aData = pFile->aData; + SQLITE_KV_LOG(("xWrite('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst)); + assert( iAmt>=512 && iAmt<=65536 ); + assert( (iAmt & (iAmt-1))==0 ); + assert( pFile->szPage<0 || pFile->szPage==iAmt ); + pFile->szPage = iAmt; + pgno = 1 + iOfst/iAmt; + sqlite3_snprintf(sizeof(zKey), zKey, "%u", pgno); + kvvfsEncode(zBuf, iAmt, aData); + if( sqlite3KvvfsMethods.xWrite(pFile->zClass, zKey, aData) ){ + return SQLITE_IOERR; + } + if( iOfst+iAmt > pFile->szDb ){ + pFile->szDb = iOfst + iAmt; + } + return SQLITE_OK; +} + +/* +** Truncate an kvvfs-file. +*/ +static int kvvfsTruncateJrnl(sqlite3_file *pProtoFile, sqlite_int64 size){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + SQLITE_KV_LOG(("xTruncate('%s-journal',%lld)\n", pFile->zClass, size)); + assert( size==0 ); + sqlite3KvvfsMethods.xDelete(pFile->zClass, "jrnl"); + sqlite3_free(pFile->aJrnl); + pFile->aJrnl = 0; + pFile->nJrnl = 0; + return SQLITE_OK; +} +static int kvvfsTruncateDb(sqlite3_file *pProtoFile, sqlite_int64 size){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + if( pFile->szDb>size + && pFile->szPage>0 + && (size % pFile->szPage)==0 + ){ + char zKey[50]; + unsigned int pgno, pgnoMax; + SQLITE_KV_LOG(("xTruncate('%s-db',%lld)\n", pFile->zClass, size)); + pgno = 1 + size/pFile->szPage; + pgnoMax = 2 + pFile->szDb/pFile->szPage; + while( pgno<=pgnoMax ){ + sqlite3_snprintf(sizeof(zKey), zKey, "%u", pgno); + sqlite3KvvfsMethods.xDelete(pFile->zClass, zKey); + pgno++; + } + pFile->szDb = size; + return kvvfsWriteFileSize(pFile, size) ? SQLITE_IOERR : SQLITE_OK; + } + return SQLITE_IOERR; +} + +/* +** Sync an kvvfs-file. +*/ +static int kvvfsSyncJrnl(sqlite3_file *pProtoFile, int flags){ + int i, n; + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + char *zOut; + SQLITE_KV_LOG(("xSync('%s-journal')\n", pFile->zClass)); + if( pFile->nJrnl<=0 ){ + return kvvfsTruncateJrnl(pProtoFile, 0); + } + zOut = sqlite3_malloc64( pFile->nJrnl*2 + 50 ); + if( zOut==0 ){ + return SQLITE_IOERR_NOMEM; + } + n = pFile->nJrnl; + i = 0; + do{ + zOut[i++] = 'a' + (n%26); + n /= 26; + }while( n>0 ); + zOut[i++] = ' '; + kvvfsEncode(pFile->aJrnl, pFile->nJrnl, &zOut[i]); + i = sqlite3KvvfsMethods.xWrite(pFile->zClass, "jrnl", zOut); + sqlite3_free(zOut); + return i ? SQLITE_IOERR : SQLITE_OK; +} +static int kvvfsSyncDb(sqlite3_file *pProtoFile, int flags){ + return SQLITE_OK; +} + +/* +** Return the current file-size of an kvvfs-file. +*/ +static int kvvfsFileSizeJrnl(sqlite3_file *pProtoFile, sqlite_int64 *pSize){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + SQLITE_KV_LOG(("xFileSize('%s-journal')\n", pFile->zClass)); + *pSize = pFile->nJrnl; + return SQLITE_OK; +} +static int kvvfsFileSizeDb(sqlite3_file *pProtoFile, sqlite_int64 *pSize){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + SQLITE_KV_LOG(("xFileSize('%s-db')\n", pFile->zClass)); + if( pFile->szDb>=0 ){ + *pSize = pFile->szDb; + }else{ + *pSize = kvvfsReadFileSize(pFile); + } + return SQLITE_OK; +} + +/* +** Lock an kvvfs-file. +*/ +static int kvvfsLock(sqlite3_file *pProtoFile, int eLock){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + assert( !pFile->isJournal ); + SQLITE_KV_LOG(("xLock(%s,%d)\n", pFile->zClass, eLock)); + + if( eLock!=SQLITE_LOCK_NONE ){ + pFile->szDb = kvvfsReadFileSize(pFile); + } + return SQLITE_OK; +} + +/* +** Unlock an kvvfs-file. +*/ +static int kvvfsUnlock(sqlite3_file *pProtoFile, int eLock){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + assert( !pFile->isJournal ); + SQLITE_KV_LOG(("xUnlock(%s,%d)\n", pFile->zClass, eLock)); + if( eLock==SQLITE_LOCK_NONE ){ + pFile->szDb = -1; + } + return SQLITE_OK; +} + +/* +** Check if another file-handle holds a RESERVED lock on an kvvfs-file. +*/ +static int kvvfsCheckReservedLock(sqlite3_file *pProtoFile, int *pResOut){ + SQLITE_KV_LOG(("xCheckReservedLock\n")); + *pResOut = 0; + return SQLITE_OK; +} + +/* +** File control method. For custom operations on an kvvfs-file. +*/ +static int kvvfsFileControlJrnl(sqlite3_file *pProtoFile, int op, void *pArg){ + SQLITE_KV_LOG(("xFileControl(%d) on journal\n", op)); + return SQLITE_NOTFOUND; +} +static int kvvfsFileControlDb(sqlite3_file *pProtoFile, int op, void *pArg){ + SQLITE_KV_LOG(("xFileControl(%d) on database\n", op)); + if( op==SQLITE_FCNTL_SYNC ){ + KVVfsFile *pFile = (KVVfsFile *)pProtoFile; + int rc = SQLITE_OK; + SQLITE_KV_LOG(("xSync('%s-db')\n", pFile->zClass)); + if( pFile->szDb>0 && 0!=kvvfsWriteFileSize(pFile, pFile->szDb) ){ + rc = SQLITE_IOERR; + } + return rc; + } + return SQLITE_NOTFOUND; +} + +/* +** Return the sector-size in bytes for an kvvfs-file. +*/ +static int kvvfsSectorSize(sqlite3_file *pFile){ + return 512; +} + +/* +** Return the device characteristic flags supported by an kvvfs-file. +*/ +static int kvvfsDeviceCharacteristics(sqlite3_file *pProtoFile){ + return 0; +} + +/****** sqlite3_vfs methods *************************************************/ + +/* +** Open an kvvfs file handle. +*/ +static int kvvfsOpen( + sqlite3_vfs *pProtoVfs, + const char *zName, + sqlite3_file *pProtoFile, + int flags, + int *pOutFlags +){ + KVVfsFile *pFile = (KVVfsFile*)pProtoFile; + if( zName==0 ) zName = ""; + SQLITE_KV_LOG(("xOpen(\"%s\")\n", zName)); + if( strcmp(zName, "local")==0 + || strcmp(zName, "session")==0 + ){ + pFile->isJournal = 0; + pFile->base.pMethods = &kvvfs_db_io_methods; + }else + if( strcmp(zName, "local-journal")==0 + || strcmp(zName, "session-journal")==0 + ){ + pFile->isJournal = 1; + pFile->base.pMethods = &kvvfs_jrnl_io_methods; + }else{ + return SQLITE_CANTOPEN; + } + if( zName[0]=='s' ){ + pFile->zClass = "session"; + }else{ + pFile->zClass = "local"; + } + pFile->aData = sqlite3_malloc64(SQLITE_KVOS_SZ); + if( pFile->aData==0 ){ + return SQLITE_NOMEM; + } + pFile->aJrnl = 0; + pFile->nJrnl = 0; + pFile->szPage = -1; + pFile->szDb = -1; + return SQLITE_OK; +} + +/* +** Delete the file located at zPath. If the dirSync argument is true, +** ensure the file-system modifications are synced to disk before +** returning. +*/ +static int kvvfsDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){ + if( strcmp(zPath, "local-journal")==0 ){ + sqlite3KvvfsMethods.xDelete("local", "jrnl"); + }else + if( strcmp(zPath, "session-journal")==0 ){ + sqlite3KvvfsMethods.xDelete("session", "jrnl"); + } + return SQLITE_OK; +} + +/* +** Test for access permissions. Return true if the requested permission +** is available, or false otherwise. +*/ +static int kvvfsAccess( + sqlite3_vfs *pProtoVfs, + const char *zPath, + int flags, + int *pResOut +){ + SQLITE_KV_LOG(("xAccess(\"%s\")\n", zPath)); + if( strcmp(zPath, "local-journal")==0 ){ + *pResOut = sqlite3KvvfsMethods.xRead("local", "jrnl", 0, 0)>0; + }else + if( strcmp(zPath, "session-journal")==0 ){ + *pResOut = sqlite3KvvfsMethods.xRead("session", "jrnl", 0, 0)>0; + }else + if( strcmp(zPath, "local")==0 ){ + *pResOut = sqlite3KvvfsMethods.xRead("local", "sz", 0, 0)>0; + }else + if( strcmp(zPath, "session")==0 ){ + *pResOut = sqlite3KvvfsMethods.xRead("session", "sz", 0, 0)>0; + }else + { + *pResOut = 0; + } + SQLITE_KV_LOG(("xAccess returns %d\n",*pResOut)); + return SQLITE_OK; +} + +/* +** Populate buffer zOut with the full canonical pathname corresponding +** to the pathname in zPath. zOut is guaranteed to point to a buffer +** of at least (INST_MAX_PATHNAME+1) bytes. +*/ +static int kvvfsFullPathname( + sqlite3_vfs *pVfs, + const char *zPath, + int nOut, + char *zOut +){ + size_t nPath; +#ifdef SQLITE_OS_KV_ALWAYS_LOCAL + zPath = "local"; +#endif + nPath = strlen(zPath); + SQLITE_KV_LOG(("xFullPathname(\"%s\")\n", zPath)); + if( nOut +static int kvvfsCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *pTimeOut){ + static const sqlite3_int64 unixEpoch = 24405875*(sqlite3_int64)8640000; + struct timeval sNow; + (void)gettimeofday(&sNow, 0); /* Cannot fail given valid arguments */ + *pTimeOut = unixEpoch + 1000*(sqlite3_int64)sNow.tv_sec + sNow.tv_usec/1000; + return SQLITE_OK; +} +#endif /* SQLITE_OS_KV || SQLITE_OS_UNIX */ + +#if SQLITE_OS_KV +/* +** This routine is called initialize the KV-vfs as the default VFS. +*/ +SQLITE_API int sqlite3_os_init(void){ + return sqlite3_vfs_register(&sqlite3OsKvvfsObject, 1); +} +SQLITE_API int sqlite3_os_end(void){ + return SQLITE_OK; +} +#endif /* SQLITE_OS_KV */ + +#if SQLITE_OS_UNIX && defined(SQLITE_OS_KV_OPTIONAL) +SQLITE_PRIVATE int sqlite3KvvfsInit(void){ + return sqlite3_vfs_register(&sqlite3OsKvvfsObject, 0); +} +#endif + +/************** End of os_kv.c ***********************************************/ /************** Begin file os_unix.c *****************************************/ /* ** 2004 May 22 @@ -33372,7 +37659,7 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ ** This source file is organized into divisions where the logic for various ** subfunctions is contained within the appropriate division. PLEASE ** KEEP THE STRUCTURE OF THIS FILE INTACT. New code should be placed -** in the correct division and should be clearly labeled. +** in the correct division and should be clearly labelled. ** ** The layout of divisions is as follows: ** @@ -33422,7 +37709,7 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ #endif /* Use pread() and pwrite() if they are available */ -#if defined(__APPLE__) +#if defined(__APPLE__) || defined(__linux__) # define HAVE_PREAD 1 # define HAVE_PWRITE 1 #endif @@ -33437,15 +37724,16 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* ** standard include files. */ -#include -#include +#include /* amalgamator: keep */ +#include /* amalgamator: keep */ #include #include -#include +#include /* amalgamator: keep */ /* #include */ -#include +#include /* amalgamator: keep */ #include -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) # include #endif @@ -33472,7 +37760,8 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ # if defined(__APPLE__) && ((__MAC_OS_X_VERSION_MIN_REQUIRED > 1050) || \ (__IPHONE_OS_VERSION_MIN_REQUIRED > 2000)) # if (!defined(TARGET_OS_EMBEDDED) || (TARGET_OS_EMBEDDED==0)) \ - && (!defined(TARGET_IPHONE_SIMULATOR) || (TARGET_IPHONE_SIMULATOR==0)) + && (!defined(TARGET_IPHONE_SIMULATOR) || (TARGET_IPHONE_SIMULATOR==0))\ + && (!defined(TARGET_OS_MACCATALYST) || (TARGET_OS_MACCATALYST==0)) # undef HAVE_GETHOSTUUID # define HAVE_GETHOSTUUID 1 # else @@ -33532,9 +37821,46 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ */ #define SQLITE_MAX_SYMLINKS 100 +/* +** Remove and stub certain info for WASI (WebAssembly System +** Interface) builds. +*/ +#ifdef SQLITE_WASI +# undef HAVE_FCHMOD +# undef HAVE_FCHOWN +# undef HAVE_MREMAP +# define HAVE_MREMAP 0 +# ifndef SQLITE_DEFAULT_UNIX_VFS +# define SQLITE_DEFAULT_UNIX_VFS "unix-dotfile" + /* ^^^ should SQLITE_DEFAULT_UNIX_VFS be "unix-none"? */ +# endif +# ifndef F_RDLCK +# define F_RDLCK 0 +# define F_WRLCK 1 +# define F_UNLCK 2 +# if __LONG_MAX == 0x7fffffffL +# define F_GETLK 12 +# define F_SETLK 13 +# define F_SETLKW 14 +# else +# define F_GETLK 5 +# define F_SETLK 6 +# define F_SETLKW 7 +# endif +# endif +#else /* !SQLITE_WASI */ +# ifndef HAVE_FCHMOD +# define HAVE_FCHMOD +# endif +#endif /* SQLITE_WASI */ + +#ifdef SQLITE_WASI +# define osGetpid(X) (pid_t)1 +#else /* Always cast the getpid() return type for compatibility with ** kernel modules in VxWorks. */ -#define osGetpid(X) (pid_t)getpid() +# define osGetpid(X) (pid_t)getpid() +#endif /* ** Only set the lastErrno if the error code is a real error and not @@ -33646,205 +37972,7 @@ static pid_t randomnessPid = 0; /* ** Include code that is common to all os_*.c files */ -/************** Include os_common.h in the middle of os_unix.c ***************/ -/************** Begin file os_common.h ***************************************/ -/* -** 2004 May 22 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains macros and a little bit of code that is common to -** all of the platform-specific files (os_*.c) and is #included into those -** files. -** -** This file should be #included by the os_*.c files only. It is not a -** general purpose header file. -*/ -#ifndef _OS_COMMON_H_ -#define _OS_COMMON_H_ - -/* -** At least two bugs have slipped in because we changed the MEMORY_DEBUG -** macro to SQLITE_DEBUG and some older makefiles have not yet made the -** switch. The following code should catch this problem at compile-time. -*/ -#ifdef MEMORY_DEBUG -# error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead." -#endif - -/* -** Macros for performance tracing. Normally turned off. Only works -** on i486 hardware. -*/ -#ifdef SQLITE_PERFORMANCE_TRACE - -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/************** Include hwtime.h in the middle of os_common.h ****************/ -/************** Begin file hwtime.h ******************************************/ -/* -** 2008 May 27 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains inline asm code for retrieving "high-performance" -** counters for x86 and x86_64 class CPUs. -*/ -#ifndef SQLITE_HWTIME_H -#define SQLITE_HWTIME_H - -/* -** The following routine only works on pentium-class (or newer) processors. -** It uses the RDTSC opcode to read the cycle count value out of the -** processor and returns that value. This can be used for high-res -** profiling. -*/ -#if !defined(__STRICT_ANSI__) && \ - (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) - - #if defined(__GNUC__) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned int lo, hi; - __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); - return (sqlite_uint64)hi << 32 | lo; - } - - #elif defined(_MSC_VER) - - __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ - __asm { - rdtsc - ret ; return value at EDX:EAX - } - } - - #endif - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long val; - __asm__ __volatile__ ("rdtsc" : "=A" (val)); - return val; - } - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long long retval; - unsigned long junk; - __asm__ __volatile__ ("\n\ - 1: mftbu %1\n\ - mftb %L0\n\ - mftbu %0\n\ - cmpw %0,%1\n\ - bne 1b" - : "=r" (retval), "=r" (junk)); - return retval; - } - -#else - - /* - ** asm() is needed for hardware timing support. Without asm(), - ** disable the sqlite3Hwtime() routine. - ** - ** sqlite3Hwtime() is only used for some obscure debugging - ** and analysis configurations, not in any deliverable, so this - ** should not be a great loss. - */ -SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } - -#endif - -#endif /* !defined(SQLITE_HWTIME_H) */ - -/************** End of hwtime.h **********************************************/ -/************** Continuing where we left off in os_common.h ******************/ - -static sqlite_uint64 g_start; -static sqlite_uint64 g_elapsed; -#define TIMER_START g_start=sqlite3Hwtime() -#define TIMER_END g_elapsed=sqlite3Hwtime()-g_start -#define TIMER_ELAPSED g_elapsed -#else -#define TIMER_START -#define TIMER_END -#define TIMER_ELAPSED ((sqlite_uint64)0) -#endif - -/* -** If we compile with the SQLITE_TEST macro set, then the following block -** of code will give us the ability to simulate a disk I/O error. This -** is used for testing the I/O recovery logic. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_io_error_hit; -SQLITE_API extern int sqlite3_io_error_hardhit; -SQLITE_API extern int sqlite3_io_error_pending; -SQLITE_API extern int sqlite3_io_error_persist; -SQLITE_API extern int sqlite3_io_error_benign; -SQLITE_API extern int sqlite3_diskfull_pending; -SQLITE_API extern int sqlite3_diskfull; -#define SimulateIOErrorBenign(X) sqlite3_io_error_benign=(X) -#define SimulateIOError(CODE) \ - if( (sqlite3_io_error_persist && sqlite3_io_error_hit) \ - || sqlite3_io_error_pending-- == 1 ) \ - { local_ioerr(); CODE; } -static void local_ioerr(){ - IOTRACE(("IOERR\n")); - sqlite3_io_error_hit++; - if( !sqlite3_io_error_benign ) sqlite3_io_error_hardhit++; -} -#define SimulateDiskfullError(CODE) \ - if( sqlite3_diskfull_pending ){ \ - if( sqlite3_diskfull_pending == 1 ){ \ - local_ioerr(); \ - sqlite3_diskfull = 1; \ - sqlite3_io_error_hit = 1; \ - CODE; \ - }else{ \ - sqlite3_diskfull_pending--; \ - } \ - } -#else -#define SimulateIOErrorBenign(X) -#define SimulateIOError(A) -#define SimulateDiskfullError(A) -#endif /* defined(SQLITE_TEST) */ - -/* -** When testing, keep a count of the number of open files. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_open_file_count; -#define OpenCounter(X) sqlite3_open_file_count+=(X) -#else -#define OpenCounter(X) -#endif /* defined(SQLITE_TEST) */ - -#endif /* !defined(_OS_COMMON_H_) */ - -/************** End of os_common.h *******************************************/ -/************** Continuing where we left off in os_unix.c ********************/ +/* #include "os_common.h" */ /* ** Define various macros that are missing from some systems. @@ -34004,7 +38132,11 @@ static struct unix_syscall { #define osPwrite64 ((ssize_t(*)(int,const void*,size_t,off64_t))\ aSyscall[13].pCurrent) +#if defined(HAVE_FCHMOD) { "fchmod", (sqlite3_syscall_ptr)fchmod, 0 }, +#else + { "fchmod", (sqlite3_syscall_ptr)0, 0 }, +#endif #define osFchmod ((int(*)(int,mode_t))aSyscall[14].pCurrent) #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE @@ -34040,14 +38172,16 @@ static struct unix_syscall { #endif #define osGeteuid ((uid_t(*)(void))aSyscall[21].pCurrent) -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) { "mmap", (sqlite3_syscall_ptr)mmap, 0 }, #else { "mmap", (sqlite3_syscall_ptr)0, 0 }, #endif #define osMmap ((void*(*)(void*,size_t,int,int,int,off_t))aSyscall[22].pCurrent) -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) { "munmap", (sqlite3_syscall_ptr)munmap, 0 }, #else { "munmap", (sqlite3_syscall_ptr)0, 0 }, @@ -34112,7 +38246,7 @@ static int robustFchown(int fd, uid_t uid, gid_t gid){ /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "unix" VFSes. Return SQLITE_OK opon successfully updating the +** "unix" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -34233,6 +38367,9 @@ static int robust_open(const char *z, int f, mode_t m){ break; } if( fd>=SQLITE_MINIMUM_FILE_DESCRIPTOR ) break; + if( (f & (O_EXCL|O_CREAT))==(O_EXCL|O_CREAT) ){ + (void)osUnlink(z); + } osClose(fd); sqlite3_log(SQLITE_WARNING, "attempt to open \"%s\" as file descriptor %d", z, fd); @@ -34631,7 +38768,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** If you close a file descriptor that points to a file that has locks, ** all locks on that file that are owned by the current process are ** released. To work around this problem, each unixInodeInfo object -** maintains a count of the number of pending locks on tha inode. +** maintains a count of the number of pending locks on the inode. ** When an attempt is made to close an unixFile, if there are ** other unixFile open on the same inode that are holding locks, the call ** to close() the file descriptor is deferred until all of the locks clear. @@ -34645,7 +38782,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** not posix compliant. Under LinuxThreads, a lock created by thread ** A cannot be modified or overridden by a different thread B. ** Only thread A can modify the lock. Locking behavior is correct -** if the appliation uses the newer Native Posix Thread Library (NPTL) +** if the application uses the newer Native Posix Thread Library (NPTL) ** on linux - with NPTL a lock created by thread A can override locks ** in thread B. But there is no way to know at compile-time which ** threading library is being used. So there is no way to know at @@ -34847,7 +38984,7 @@ static void storeLastErrno(unixFile *pFile, int error){ } /* -** Close all file descriptors accumuated in the unixInodeInfo->pUnused list. +** Close all file descriptors accumulated in the unixInodeInfo->pUnused list. */ static void closePendingFds(unixFile *pFile){ unixInodeInfo *pInode = pFile->pInode; @@ -35092,6 +39229,9 @@ static int unixCheckReservedLock(sqlite3_file *id, int *pResOut){ return rc; } +/* Forward declaration*/ +static int unixSleep(sqlite3_vfs*,int); + /* ** Set a posix-advisory-lock. ** @@ -35121,7 +39261,7 @@ static int osSetPosixAdvisoryLock( ** generic posix, however, there is no such API. So we simply try the ** lock once every millisecond until either the timeout expires, or until ** the lock is obtained. */ - usleep(1000); + unixSleep(0,1000); rc = osFcntl(h,F_SETLK,pLock); tm--; } @@ -35192,7 +39332,7 @@ static int unixFileLock(unixFile *pFile, struct flock *pLock){ ** ** UNLOCKED -> SHARED ** SHARED -> RESERVED -** SHARED -> (PENDING) -> EXCLUSIVE +** SHARED -> EXCLUSIVE ** RESERVED -> (PENDING) -> EXCLUSIVE ** PENDING -> EXCLUSIVE ** @@ -35207,7 +39347,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** slightly in order to be compatible with Windows95 systems simultaneously ** accessing the same database file, in case that is ever required. ** - ** Symbols defined in os.h indentify the 'pending byte' and the 'reserved + ** Symbols defined in os.h identify the 'pending byte' and the 'reserved ** byte', each single bytes at well known offsets, and the 'shared byte ** range', a range of 510 bytes at a well known offset. ** @@ -35215,7 +39355,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** byte'. If this is successful, 'shared byte range' is read-locked ** and the lock on the 'pending byte' released. (Legacy note: When ** SQLite was first developed, Windows95 systems were still very common, - ** and Widnows95 lacks a shared-lock capability. So on Windows95, a + ** and Windows95 lacks a shared-lock capability. So on Windows95, a ** single randomly selected by from the 'shared byte range' is locked. ** Windows95 is now pretty much extinct, but this work-around for the ** lack of shared-locks on Windows95 lives on, for backwards @@ -35225,19 +39365,20 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** A RESERVED lock is implemented by grabbing a write-lock on the ** 'reserved byte'. ** - ** A process may only obtain a PENDING lock after it has obtained a - ** SHARED lock. A PENDING lock is implemented by obtaining a write-lock - ** on the 'pending byte'. This ensures that no new SHARED locks can be - ** obtained, but existing SHARED locks are allowed to persist. A process - ** does not have to obtain a RESERVED lock on the way to a PENDING lock. - ** This property is used by the algorithm for rolling back a journal file - ** after a crash. + ** An EXCLUSIVE lock may only be requested after either a SHARED or + ** RESERVED lock is held. An EXCLUSIVE lock is implemented by obtaining + ** a write-lock on the entire 'shared byte range'. Since all other locks + ** require a read-lock on one of the bytes within this range, this ensures + ** that no other locks are held on the database. ** - ** An EXCLUSIVE lock, obtained after a PENDING lock is held, is - ** implemented by obtaining a write-lock on the entire 'shared byte - ** range'. Since all other locks require a read-lock on one of the bytes - ** within this range, this ensures that no other locks are held on the - ** database. + ** If a process that holds a RESERVED lock requests an EXCLUSIVE, then + ** a PENDING lock is obtained first. A PENDING lock is implemented by + ** obtaining a write-lock on the 'pending byte'. This ensures that no new + ** SHARED locks can be obtained, but existing SHARED locks are allowed to + ** persist. If the call to this function fails to obtain the EXCLUSIVE + ** lock in this case, it holds the PENDING lock instead. The client may + ** then re-attempt the EXCLUSIVE lock later on, after existing SHARED + ** locks have cleared. */ int rc = SQLITE_OK; unixFile *pFile = (unixFile*)id; @@ -35263,7 +39404,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct. ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -35308,7 +39449,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ lock.l_len = 1L; lock.l_whence = SEEK_SET; if( eFileLock==SHARED_LOCK - || (eFileLock==EXCLUSIVE_LOCK && pFile->eFileLockeFileLock==RESERVED_LOCK) ){ lock.l_type = (eFileLock==SHARED_LOCK?F_RDLCK:F_WRLCK); lock.l_start = PENDING_BYTE; @@ -35319,6 +39460,9 @@ static int unixLock(sqlite3_file *id, int eFileLock){ storeLastErrno(pFile, tErrno); } goto end_lock; + }else if( eFileLock==EXCLUSIVE_LOCK ){ + pFile->eFileLock = PENDING_LOCK; + pInode->eFileLock = PENDING_LOCK; } } @@ -35406,13 +39550,9 @@ static int unixLock(sqlite3_file *id, int eFileLock){ } #endif - if( rc==SQLITE_OK ){ pFile->eFileLock = eFileLock; pInode->eFileLock = eFileLock; - }else if( eFileLock==EXCLUSIVE_LOCK ){ - pFile->eFileLock = PENDING_LOCK; - pInode->eFileLock = PENDING_LOCK; } end_lock: @@ -35692,6 +39832,7 @@ static int unixClose(sqlite3_file *id){ } sqlite3_mutex_leave(pInode->pLockMutex); releaseInodeInfo(pFile); + assert( pFile->pShm==0 ); rc = closeUnixFile(id); unixLeaveMutex(); return rc; @@ -36481,7 +40622,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -36597,7 +40738,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ if( !(failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST + pInode->sharedByte, 1, 0)) ){ int failed2 = SQLITE_OK; - /* now attemmpt to get the exclusive lock range */ + /* now attempt to get the exclusive lock range */ failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST, SHARED_SIZE, 1); if( failed && (failed2 = afpSetLock(context->dbPath, pFile, @@ -36818,12 +40959,6 @@ static int nfsUnlock(sqlite3_file *id, int eFileLock){ ** Seek to the offset passed as the second argument, then read cnt ** bytes into pBuf. Return the number of bytes actually read. ** -** NB: If you define USE_PREAD or USE_PREAD64, then it might also -** be necessary to define _XOPEN_SOURCE to be 500. This varies from -** one system to another. Since SQLite does not define USE_PREAD -** in any form by default, we will not attempt to define _XOPEN_SOURCE. -** See tickets #2741 and #2681. -** ** To avoid stomping the errno value on a failed read the lastErrno value ** is set before returning. */ @@ -36898,7 +41033,7 @@ static int unixRead( #endif #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -36918,7 +41053,24 @@ static int unixRead( if( got==amt ){ return SQLITE_OK; }else if( got<0 ){ - /* lastErrno set by seekAndRead */ + /* pFile->lastErrno has been set by seekAndRead(). + ** Usually we return SQLITE_IOERR_READ here, though for some + ** kinds of errors we return SQLITE_IOERR_CORRUPTFS. The + ** SQLITE_IOERR_CORRUPTFS will be converted into SQLITE_CORRUPT + ** prior to returning to the application by the sqlite3ApiExit() + ** routine. + */ + switch( pFile->lastErrno ){ + case ERANGE: + case EIO: +#ifdef ENXIO + case ENXIO: +#endif +#ifdef EDEVERR + case EDEVERR: +#endif + return SQLITE_IOERR_CORRUPTFS; + } return SQLITE_IOERR_READ; }else{ storeLastErrno(pFile, 0); /* not a system error */ @@ -37033,7 +41185,7 @@ static int unixWrite( #endif #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -37155,7 +41307,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a ** no-op. But go ahead and call fstat() to validate the file ** descriptor as we need a method to provoke a failure during - ** coverate testing. + ** coverage testing. */ #ifdef SQLITE_NO_SYNC { @@ -37477,6 +41629,9 @@ static void unixModeBit(unixFile *pFile, unsigned char mask, int *pArg){ /* Forward declaration */ static int unixGetTempname(int nBuf, char *zBuf); +#ifndef SQLITE_OMIT_WAL + static int unixFcntlExternalReader(unixFile*, int*); +#endif /* ** Information and control of an open file handle. @@ -37593,6 +41748,15 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ return proxyFileControl(id,op,pArg); } #endif /* SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__) */ + + case SQLITE_FCNTL_EXTERNAL_READER: { +#ifndef SQLITE_OMIT_WAL + return unixFcntlExternalReader((unixFile*)id, (int*)pArg); +#else + *(int*)pArg = 0; + return SQLITE_OK; +#endif + } } return SQLITE_NOTFOUND; } @@ -37802,6 +41966,7 @@ struct unixShmNode { char **apRegion; /* Array of mapped shared-memory regions */ int nRef; /* Number of unixShm objects pointing to this */ unixShm *pFirst; /* All unixShm objects pointing to this */ + int aLock[SQLITE_SHM_NLOCK]; /* # shared locks on slot, -1==excl lock */ #ifdef SQLITE_DEBUG u8 exclMask; /* Mask of exclusive locks held */ u8 sharedMask; /* Mask of shared locks held */ @@ -37837,6 +42002,40 @@ struct unixShm { #define UNIX_SHM_BASE ((22+SQLITE_SHM_NLOCK)*4) /* first lock byte */ #define UNIX_SHM_DMS (UNIX_SHM_BASE+SQLITE_SHM_NLOCK) /* deadman switch */ +/* +** Use F_GETLK to check whether or not there are any readers with open +** wal-mode transactions in other processes on database file pFile. If +** no error occurs, return SQLITE_OK and set (*piOut) to 1 if there are +** such transactions, or 0 otherwise. If an error occurs, return an +** SQLite error code. The final value of *piOut is undefined in this +** case. +*/ +static int unixFcntlExternalReader(unixFile *pFile, int *piOut){ + int rc = SQLITE_OK; + *piOut = 0; + if( pFile->pShm){ + unixShmNode *pShmNode = pFile->pShm->pShmNode; + struct flock f; + + memset(&f, 0, sizeof(f)); + f.l_type = F_WRLCK; + f.l_whence = SEEK_SET; + f.l_start = UNIX_SHM_BASE + 3; + f.l_len = SQLITE_SHM_NLOCK - 3; + + sqlite3_mutex_enter(pShmNode->pShmMutex); + if( osFcntl(pShmNode->hShm, F_GETLK, &f)<0 ){ + rc = SQLITE_IOERR_LOCK; + }else{ + *piOut = (f.l_type!=F_UNLCK); + } + sqlite3_mutex_leave(pShmNode->pShmMutex); + } + + return rc; +} + + /* ** Apply posix advisory locks for all bytes from ofst through ofst+n-1. ** @@ -38342,6 +42541,38 @@ static int unixShmMap( return rc; } +/* +** Check that the pShmNode->aLock[] array comports with the locking bitmasks +** held by each client. Return true if it does, or false otherwise. This +** is to be used in an assert(). e.g. +** +** assert( assertLockingArrayOk(pShmNode) ); +*/ +#ifdef SQLITE_DEBUG +static int assertLockingArrayOk(unixShmNode *pShmNode){ + unixShm *pX; + int aLock[SQLITE_SHM_NLOCK]; + assert( sqlite3_mutex_held(pShmNode->pShmMutex) ); + + memset(aLock, 0, sizeof(aLock)); + for(pX=pShmNode->pFirst; pX; pX=pX->pNext){ + int i; + for(i=0; iexclMask & (1<sharedMask & (1<=0 ); + aLock[i]++; + } + } + } + + assert( 0==memcmp(pShmNode->aLock, aLock, sizeof(aLock)) ); + return (memcmp(pShmNode->aLock, aLock, sizeof(aLock))==0); +} +#endif + /* ** Change the lock state for a shared-memory segment. ** @@ -38357,11 +42588,17 @@ static int unixShmLock( int flags /* What to do with the lock */ ){ unixFile *pDbFd = (unixFile*)fd; /* Connection holding shared memory */ - unixShm *p = pDbFd->pShm; /* The shared memory being locked */ - unixShm *pX; /* For looping over all siblings */ - unixShmNode *pShmNode = p->pShmNode; /* The underlying file iNode */ + unixShm *p; /* The shared memory being locked */ + unixShmNode *pShmNode; /* The underlying file iNode */ int rc = SQLITE_OK; /* Result code */ u16 mask; /* Mask of locks to take or release */ + int *aLock; + + p = pDbFd->pShm; + if( p==0 ) return SQLITE_IOERR_SHMLOCK; + pShmNode = p->pShmNode; + if( NEVER(pShmNode==0) ) return SQLITE_IOERR_SHMLOCK; + aLock = pShmNode->aLock; assert( pShmNode==pDbFd->pInode->pShmNode ); assert( pShmNode->pInode==pDbFd->pInode ); @@ -38400,78 +42637,76 @@ static int unixShmLock( mask = (1<<(ofst+n)) - (1<1 || mask==(1<pShmMutex); + assert( assertLockingArrayOk(pShmNode) ); if( flags & SQLITE_SHM_UNLOCK ){ - u16 allMask = 0; /* Mask of locks held by siblings */ + if( (p->exclMask|p->sharedMask) & mask ){ + int ii; + int bUnlock = 1; - /* See if any siblings hold this same lock */ - for(pX=pShmNode->pFirst; pX; pX=pX->pNext){ - if( pX==p ) continue; - assert( (pX->exclMask & (p->exclMask|p->sharedMask))==0 ); - allMask |= pX->sharedMask; - } + for(ii=ofst; ii((p->sharedMask & (1<sharedMask & (1<1 ); + aLock[ofst]--; + } - /* Undo the local locks */ - if( rc==SQLITE_OK ){ - p->exclMask &= ~mask; - p->sharedMask &= ~mask; + /* Undo the local locks */ + if( rc==SQLITE_OK ){ + p->exclMask &= ~mask; + p->sharedMask &= ~mask; + } } }else if( flags & SQLITE_SHM_SHARED ){ - u16 allShared = 0; /* Union of locks held by connections other than "p" */ - - /* Find out which shared locks are already held by sibling connections. - ** If any sibling already holds an exclusive lock, go ahead and return - ** SQLITE_BUSY. - */ - for(pX=pShmNode->pFirst; pX; pX=pX->pNext){ - if( (pX->exclMask & mask)!=0 ){ + assert( n==1 ); + assert( (p->exclMask & (1<sharedMask & mask)==0 ){ + if( aLock[ofst]<0 ){ rc = SQLITE_BUSY; - break; - } - allShared |= pX->sharedMask; - } - - /* Get shared locks at the system level, if necessary */ - if( rc==SQLITE_OK ){ - if( (allShared & mask)==0 ){ + }else if( aLock[ofst]==0 ){ rc = unixShmSystemLock(pDbFd, F_RDLCK, ofst+UNIX_SHM_BASE, n); - }else{ - rc = SQLITE_OK; } - } - /* Get the local shared locks */ - if( rc==SQLITE_OK ){ - p->sharedMask |= mask; + /* Get the local shared locks */ + if( rc==SQLITE_OK ){ + p->sharedMask |= mask; + aLock[ofst]++; + } } }else{ /* Make sure no sibling connections hold locks that will block this - ** lock. If any do, return SQLITE_BUSY right away. - */ - for(pX=pShmNode->pFirst; pX; pX=pX->pNext){ - if( (pX->exclMask & mask)!=0 || (pX->sharedMask & mask)!=0 ){ + ** lock. If any do, return SQLITE_BUSY right away. */ + int ii; + for(ii=ofst; iisharedMask & mask)==0 ); + if( ALWAYS((p->exclMask & (1<sharedMask & mask)==0 ); p->exclMask |= mask; + for(ii=ofst; iipShmMutex); OSTRACE(("SHM-LOCK shmid-%d, pid-%d got %03x,%03x\n", p->id, osGetpid(0), p->sharedMask, p->exclMask)); @@ -39247,25 +43482,35 @@ static int fillInUnixFile( return rc; } +/* +** Directories to consider for temp files. +*/ +static const char *azTempDirs[] = { + 0, + 0, + "/var/tmp", + "/usr/tmp", + "/tmp", + "." +}; + +/* +** Initialize first two members of azTempDirs[] array. +*/ +static void unixTempFileInit(void){ + azTempDirs[0] = getenv("SQLITE_TMPDIR"); + azTempDirs[1] = getenv("TMPDIR"); +} + /* ** Return the name of a directory in which to put temporary files. ** If no suitable temporary file directory can be found, return NULL. */ static const char *unixTempFileDir(void){ - static const char *azDirs[] = { - 0, - 0, - "/var/tmp", - "/usr/tmp", - "/tmp", - "." - }; unsigned int i = 0; struct stat buf; const char *zDir = sqlite3_temp_directory; - if( !azDirs[0] ) azDirs[0] = getenv("SQLITE_TMPDIR"); - if( !azDirs[1] ) azDirs[1] = getenv("TMPDIR"); while(1){ if( zDir!=0 && osStat(zDir, &buf)==0 @@ -39274,8 +43519,8 @@ static const char *unixTempFileDir(void){ ){ return zDir; } - if( i>=sizeof(azDirs)/sizeof(azDirs[0]) ) break; - zDir = azDirs[i++]; + if( i>=sizeof(azTempDirs)/sizeof(azTempDirs[0]) ) break; + zDir = azTempDirs[i++]; } return 0; } @@ -39288,6 +43533,7 @@ static const char *unixTempFileDir(void){ static int unixGetTempname(int nBuf, char *zBuf){ const char *zDir; int iLimit = 0; + int rc = SQLITE_OK; /* It's odd to simulate an io-error here, but really this is just ** using the io-error infrastructure to test that SQLite handles this @@ -39296,18 +43542,26 @@ static int unixGetTempname(int nBuf, char *zBuf){ zBuf[0] = 0; SimulateIOError( return SQLITE_IOERR ); + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); zDir = unixTempFileDir(); - if( zDir==0 ) return SQLITE_IOERR_GETTEMPPATH; - do{ - u64 r; - sqlite3_randomness(sizeof(r), &r); - assert( nBuf>2 ); - zBuf[nBuf-2] = 0; - sqlite3_snprintf(nBuf, zBuf, "%s/"SQLITE_TEMP_FILE_PREFIX"%llx%c", - zDir, r, 0); - if( zBuf[nBuf-2]!=0 || (iLimit++)>10 ) return SQLITE_ERROR; - }while( osAccess(zBuf,0)==0 ); - return SQLITE_OK; + if( zDir==0 ){ + rc = SQLITE_IOERR_GETTEMPPATH; + }else{ + do{ + u64 r; + sqlite3_randomness(sizeof(r), &r); + assert( nBuf>2 ); + zBuf[nBuf-2] = 0; + sqlite3_snprintf(nBuf, zBuf, "%s/"SQLITE_TEMP_FILE_PREFIX"%llx%c", + zDir, r, 0); + if( zBuf[nBuf-2]!=0 || (iLimit++)>10 ){ + rc = SQLITE_ERROR; + break; + } + }while( osAccess(zBuf,0)==0 ); + } + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); + return rc; } #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__) @@ -39450,20 +43704,23 @@ static int findCreateFileMode( ** ** where NN is a decimal number. The NN naming schemes are ** used by the test_multiplex.c module. + ** + ** In normal operation, the journal file name will always contain + ** a '-' character. However in 8+3 filename mode, or if a corrupt + ** rollback journal specifies a super-journal with a goofy name, then + ** the '-' might be missing or the '-' might be the first character in + ** the filename. In that case, just return SQLITE_OK with *pMode==0. */ nDb = sqlite3Strlen30(zPath) - 1; - while( zPath[nDb]!='-' ){ - /* In normal operation, the journal file name will always contain - ** a '-' character. However in 8+3 filename mode, or if a corrupt - ** rollback journal specifies a super-journal with a goofy name, then - ** the '-' might be missing. */ - if( nDb==0 || zPath[nDb]=='.' ) return SQLITE_OK; + while( nDb>0 && zPath[nDb]!='.' ){ + if( zPath[nDb]=='-' ){ + memcpy(zDb, zPath, nDb); + zDb[nDb] = '\0'; + rc = getFileMode(zDb, pMode, pUid, pGid); + break; + } nDb--; } - memcpy(zDb, zPath, nDb); - zDb[nDb] = '\0'; - - rc = getFileMode(zDb, pMode, pUid, pGid); }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){ *pMode = 0600; }else if( flags & SQLITE_OPEN_URI ){ @@ -39581,6 +43838,11 @@ static int unixOpen( } memset(p, 0, sizeof(unixFile)); +#ifdef SQLITE_ASSERT_NO_FILES + /* Applications that never read or write a persistent disk files */ + assert( zName==0 ); +#endif + if( eType==SQLITE_OPEN_MAIN_DB ){ UnixUnusedFd *pUnused; pUnused = findReusableFd(zName, flags); @@ -39848,30 +44110,97 @@ static int unixAccess( } /* -** +** A pathname under construction */ -static int mkFullPathname( - const char *zPath, /* Input path */ - char *zOut, /* Output buffer */ - int nOut /* Allocated size of buffer zOut */ +typedef struct DbPath DbPath; +struct DbPath { + int rc; /* Non-zero following any error */ + int nSymlink; /* Number of symlinks resolved */ + char *zOut; /* Write the pathname here */ + int nOut; /* Bytes of space available to zOut[] */ + int nUsed; /* Bytes of zOut[] currently being used */ +}; + +/* Forward reference */ +static void appendAllPathElements(DbPath*,const char*); + +/* +** Append a single path element to the DbPath under construction +*/ +static void appendOnePathElement( + DbPath *pPath, /* Path under construction, to which to append zName */ + const char *zName, /* Name to append to pPath. Not zero-terminated */ + int nName /* Number of significant bytes in zName */ ){ - int nPath = sqlite3Strlen30(zPath); - int iOff = 0; - if( zPath[0]!='/' ){ - if( osGetcwd(zOut, nOut-2)==0 ){ - return unixLogError(SQLITE_CANTOPEN_BKPT, "getcwd", zPath); + assert( nName>0 ); + assert( zName!=0 ); + if( zName[0]=='.' ){ + if( nName==1 ) return; + if( zName[1]=='.' && nName==2 ){ + if( pPath->nUsed>1 ){ + assert( pPath->zOut[0]=='/' ); + while( pPath->zOut[--pPath->nUsed]!='/' ){} + } + return; } - iOff = sqlite3Strlen30(zOut); - zOut[iOff++] = '/'; } - if( (iOff+nPath+1)>nOut ){ - /* SQLite assumes that xFullPathname() nul-terminates the output buffer - ** even if it returns an error. */ - zOut[iOff] = '\0'; - return SQLITE_CANTOPEN_BKPT; + if( pPath->nUsed + nName + 2 >= pPath->nOut ){ + pPath->rc = SQLITE_ERROR; + return; } - sqlite3_snprintf(nOut-iOff, &zOut[iOff], "%s", zPath); - return SQLITE_OK; + pPath->zOut[pPath->nUsed++] = '/'; + memcpy(&pPath->zOut[pPath->nUsed], zName, nName); + pPath->nUsed += nName; +#if defined(HAVE_READLINK) && defined(HAVE_LSTAT) + if( pPath->rc==SQLITE_OK ){ + const char *zIn; + struct stat buf; + pPath->zOut[pPath->nUsed] = 0; + zIn = pPath->zOut; + if( osLstat(zIn, &buf)!=0 ){ + if( errno!=ENOENT ){ + pPath->rc = unixLogError(SQLITE_CANTOPEN_BKPT, "lstat", zIn); + } + }else if( S_ISLNK(buf.st_mode) ){ + ssize_t got; + char zLnk[SQLITE_MAX_PATHLEN+2]; + if( pPath->nSymlink++ > SQLITE_MAX_SYMLINK ){ + pPath->rc = SQLITE_CANTOPEN_BKPT; + return; + } + got = osReadlink(zIn, zLnk, sizeof(zLnk)-2); + if( got<=0 || got>=(ssize_t)sizeof(zLnk)-2 ){ + pPath->rc = unixLogError(SQLITE_CANTOPEN_BKPT, "readlink", zIn); + return; + } + zLnk[got] = 0; + if( zLnk[0]=='/' ){ + pPath->nUsed = 0; + }else{ + pPath->nUsed -= nName + 1; + } + appendAllPathElements(pPath, zLnk); + } + } +#endif +} + +/* +** Append all path elements in zPath to the DbPath under construction. +*/ +static void appendAllPathElements( + DbPath *pPath, /* Path under construction, to which to append zName */ + const char *zPath /* Path to append to pPath. Is zero-terminated */ +){ + int i = 0; + int j = 0; + do{ + while( zPath[i] && zPath[i]!='/' ){ i++; } + if( i>j ){ + appendOnePathElement(pPath, &zPath[j], i-j); + } + j = i+1; + }while( zPath[i++] ); } /* @@ -39889,86 +44218,27 @@ static int unixFullPathname( int nOut, /* Size of output buffer in bytes */ char *zOut /* Output buffer */ ){ -#if !defined(HAVE_READLINK) || !defined(HAVE_LSTAT) - return mkFullPathname(zPath, zOut, nOut); -#else - int rc = SQLITE_OK; - int nByte; - int nLink = 0; /* Number of symbolic links followed so far */ - const char *zIn = zPath; /* Input path for each iteration of loop */ - char *zDel = 0; - - assert( pVfs->mxPathname==MAX_PATHNAME ); + DbPath path; UNUSED_PARAMETER(pVfs); - - /* It's odd to simulate an io-error here, but really this is just - ** using the io-error infrastructure to test that SQLite handles this - ** function failing. This function could fail if, for example, the - ** current working directory has been unlinked. - */ - SimulateIOError( return SQLITE_ERROR ); - - do { - - /* Call stat() on path zIn. Set bLink to true if the path is a symbolic - ** link, or false otherwise. */ - int bLink = 0; - struct stat buf; - if( osLstat(zIn, &buf)!=0 ){ - if( errno!=ENOENT ){ - rc = unixLogError(SQLITE_CANTOPEN_BKPT, "lstat", zIn); - } - }else{ - bLink = S_ISLNK(buf.st_mode); - } - - if( bLink ){ - nLink++; - if( zDel==0 ){ - zDel = sqlite3_malloc(nOut); - if( zDel==0 ) rc = SQLITE_NOMEM_BKPT; - }else if( nLink>=SQLITE_MAX_SYMLINKS ){ - rc = SQLITE_CANTOPEN_BKPT; - } - - if( rc==SQLITE_OK ){ - nByte = osReadlink(zIn, zDel, nOut-1); - if( nByte<0 ){ - rc = unixLogError(SQLITE_CANTOPEN_BKPT, "readlink", zIn); - }else{ - if( zDel[0]!='/' ){ - int n; - for(n = sqlite3Strlen30(zIn); n>0 && zIn[n-1]!='/'; n--); - if( nByte+n+1>nOut ){ - rc = SQLITE_CANTOPEN_BKPT; - }else{ - memmove(&zDel[n], zDel, nByte+1); - memcpy(zDel, zIn, n); - nByte += n; - } - } - zDel[nByte] = '\0'; - } - } - - zIn = zDel; - } - - assert( rc!=SQLITE_OK || zIn!=zOut || zIn[0]=='/' ); - if( rc==SQLITE_OK && zIn!=zOut ){ - rc = mkFullPathname(zIn, zOut, nOut); + path.rc = 0; + path.nUsed = 0; + path.nSymlink = 0; + path.nOut = nOut; + path.zOut = zOut; + if( zPath[0]!='/' ){ + char zPwd[SQLITE_MAX_PATHLEN+2]; + if( osGetcwd(zPwd, sizeof(zPwd)-2)==0 ){ + return unixLogError(SQLITE_CANTOPEN_BKPT, "getcwd", zPath); } - if( bLink==0 ) break; - zIn = zOut; - }while( rc==SQLITE_OK ); - - sqlite3_free(zDel); - if( rc==SQLITE_OK && nLink ) rc = SQLITE_OK_SYMLINK; - return rc; -#endif /* HAVE_READLINK && HAVE_LSTAT */ + appendAllPathElements(&path, zPwd); + } + appendAllPathElements(&path, zPath); + zOut[path.nUsed] = 0; + if( path.rc || path.nUsed<2 ) return SQLITE_CANTOPEN_BKPT; + if( path.nSymlink ) return SQLITE_OK_SYMLINK; + return SQLITE_OK; } - #ifndef SQLITE_OMIT_LOAD_EXTENSION /* ** Interfaces for opening a shared library, finding entry points @@ -40082,16 +44352,22 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){ ** than the argument. */ static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){ -#if OS_VXWORKS +#if !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP+0 struct timespec sp; - sp.tv_sec = microseconds / 1000000; sp.tv_nsec = (microseconds % 1000000) * 1000; + + /* Almost all modern unix systems support nanosleep(). But if you are + ** compiling for one of the rare exceptions, you can use + ** -DHAVE_NANOSLEEP=0 (perhaps in conjuction with -DHAVE_USLEEP if + ** usleep() is available) in order to bypass the use of nanosleep() */ nanosleep(&sp, NULL); + UNUSED_PARAMETER(NotUsed); return microseconds; #elif defined(HAVE_USLEEP) && HAVE_USLEEP - usleep(microseconds); + if( microseconds>=1000000 ) sleep(microseconds/1000000); + if( microseconds%1000000 ) usleep(microseconds%1000000); UNUSED_PARAMETER(NotUsed); return microseconds; #else @@ -40664,7 +44940,7 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ if( nTries==1 ){ conchModTime = buf.st_mtimespec; - usleep(500000); /* wait 0.5 sec and try the lock again*/ + unixSleep(0,500000); /* wait 0.5 sec and try the lock again*/ continue; } @@ -40690,7 +44966,7 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ /* don't break the lock on short read or a version mismatch */ return SQLITE_BUSY; } - usleep(10000000); /* wait 10 sec and try the lock again */ + unixSleep(0,10000000); /* wait 10 sec and try the lock again */ continue; } @@ -41463,9 +45739,39 @@ SQLITE_API int sqlite3_os_init(void){ /* Register all VFSes defined in the aVfs[] array */ for(i=0; i<(sizeof(aVfs)/sizeof(sqlite3_vfs)); i++){ +#ifdef SQLITE_DEFAULT_UNIX_VFS + sqlite3_vfs_register(&aVfs[i], + 0==strcmp(aVfs[i].zName,SQLITE_DEFAULT_UNIX_VFS)); +#else sqlite3_vfs_register(&aVfs[i], i==0); +#endif } +#ifdef SQLITE_OS_KV_OPTIONAL + sqlite3KvvfsInit(); +#endif unixBigLock = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1); + +#ifndef SQLITE_OMIT_WAL + /* Validate lock assumptions */ + assert( SQLITE_SHM_NLOCK==8 ); /* Number of available locks */ + assert( UNIX_SHM_BASE==120 ); /* Start of locking area */ + /* Locks: + ** WRITE UNIX_SHM_BASE 120 + ** CKPT UNIX_SHM_BASE+1 121 + ** RECOVER UNIX_SHM_BASE+2 122 + ** READ-0 UNIX_SHM_BASE+3 123 + ** READ-1 UNIX_SHM_BASE+4 124 + ** READ-2 UNIX_SHM_BASE+5 125 + ** READ-3 UNIX_SHM_BASE+6 126 + ** READ-4 UNIX_SHM_BASE+7 127 + ** DMS UNIX_SHM_BASE+8 128 + */ + assert( UNIX_SHM_DMS==128 ); /* Byte offset of the deadman-switch */ +#endif + + /* Initialize temp file dir array. */ + unixTempFileInit(); + return SQLITE_OK; } @@ -41505,205 +45811,7 @@ SQLITE_API int sqlite3_os_end(void){ /* ** Include code that is common to all os_*.c files */ -/************** Include os_common.h in the middle of os_win.c ****************/ -/************** Begin file os_common.h ***************************************/ -/* -** 2004 May 22 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains macros and a little bit of code that is common to -** all of the platform-specific files (os_*.c) and is #included into those -** files. -** -** This file should be #included by the os_*.c files only. It is not a -** general purpose header file. -*/ -#ifndef _OS_COMMON_H_ -#define _OS_COMMON_H_ - -/* -** At least two bugs have slipped in because we changed the MEMORY_DEBUG -** macro to SQLITE_DEBUG and some older makefiles have not yet made the -** switch. The following code should catch this problem at compile-time. -*/ -#ifdef MEMORY_DEBUG -# error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead." -#endif - -/* -** Macros for performance tracing. Normally turned off. Only works -** on i486 hardware. -*/ -#ifdef SQLITE_PERFORMANCE_TRACE - -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/************** Include hwtime.h in the middle of os_common.h ****************/ -/************** Begin file hwtime.h ******************************************/ -/* -** 2008 May 27 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains inline asm code for retrieving "high-performance" -** counters for x86 and x86_64 class CPUs. -*/ -#ifndef SQLITE_HWTIME_H -#define SQLITE_HWTIME_H - -/* -** The following routine only works on pentium-class (or newer) processors. -** It uses the RDTSC opcode to read the cycle count value out of the -** processor and returns that value. This can be used for high-res -** profiling. -*/ -#if !defined(__STRICT_ANSI__) && \ - (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) - - #if defined(__GNUC__) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned int lo, hi; - __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); - return (sqlite_uint64)hi << 32 | lo; - } - - #elif defined(_MSC_VER) - - __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ - __asm { - rdtsc - ret ; return value at EDX:EAX - } - } - - #endif - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long val; - __asm__ __volatile__ ("rdtsc" : "=A" (val)); - return val; - } - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long long retval; - unsigned long junk; - __asm__ __volatile__ ("\n\ - 1: mftbu %1\n\ - mftb %L0\n\ - mftbu %0\n\ - cmpw %0,%1\n\ - bne 1b" - : "=r" (retval), "=r" (junk)); - return retval; - } - -#else - - /* - ** asm() is needed for hardware timing support. Without asm(), - ** disable the sqlite3Hwtime() routine. - ** - ** sqlite3Hwtime() is only used for some obscure debugging - ** and analysis configurations, not in any deliverable, so this - ** should not be a great loss. - */ -SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } - -#endif - -#endif /* !defined(SQLITE_HWTIME_H) */ - -/************** End of hwtime.h **********************************************/ -/************** Continuing where we left off in os_common.h ******************/ - -static sqlite_uint64 g_start; -static sqlite_uint64 g_elapsed; -#define TIMER_START g_start=sqlite3Hwtime() -#define TIMER_END g_elapsed=sqlite3Hwtime()-g_start -#define TIMER_ELAPSED g_elapsed -#else -#define TIMER_START -#define TIMER_END -#define TIMER_ELAPSED ((sqlite_uint64)0) -#endif - -/* -** If we compile with the SQLITE_TEST macro set, then the following block -** of code will give us the ability to simulate a disk I/O error. This -** is used for testing the I/O recovery logic. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_io_error_hit; -SQLITE_API extern int sqlite3_io_error_hardhit; -SQLITE_API extern int sqlite3_io_error_pending; -SQLITE_API extern int sqlite3_io_error_persist; -SQLITE_API extern int sqlite3_io_error_benign; -SQLITE_API extern int sqlite3_diskfull_pending; -SQLITE_API extern int sqlite3_diskfull; -#define SimulateIOErrorBenign(X) sqlite3_io_error_benign=(X) -#define SimulateIOError(CODE) \ - if( (sqlite3_io_error_persist && sqlite3_io_error_hit) \ - || sqlite3_io_error_pending-- == 1 ) \ - { local_ioerr(); CODE; } -static void local_ioerr(){ - IOTRACE(("IOERR\n")); - sqlite3_io_error_hit++; - if( !sqlite3_io_error_benign ) sqlite3_io_error_hardhit++; -} -#define SimulateDiskfullError(CODE) \ - if( sqlite3_diskfull_pending ){ \ - if( sqlite3_diskfull_pending == 1 ){ \ - local_ioerr(); \ - sqlite3_diskfull = 1; \ - sqlite3_io_error_hit = 1; \ - CODE; \ - }else{ \ - sqlite3_diskfull_pending--; \ - } \ - } -#else -#define SimulateIOErrorBenign(X) -#define SimulateIOError(A) -#define SimulateDiskfullError(A) -#endif /* defined(SQLITE_TEST) */ - -/* -** When testing, keep a count of the number of open files. -*/ -#if defined(SQLITE_TEST) -SQLITE_API extern int sqlite3_open_file_count; -#define OpenCounter(X) sqlite3_open_file_count+=(X) -#else -#define OpenCounter(X) -#endif /* defined(SQLITE_TEST) */ - -#endif /* !defined(_OS_COMMON_H_) */ - -/************** End of os_common.h *******************************************/ -/************** Continuing where we left off in os_win.c *********************/ +/* #include "os_common.h" */ /* ** Include the header file for the Windows VFS. @@ -42844,7 +46952,7 @@ static struct win_syscall { /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "win32" VFSes. Return SQLITE_OK opon successfully updating the +** "win32" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -43603,10 +47711,12 @@ SQLITE_API int sqlite3_win32_set_directory8( const char *zValue /* New value for directory being set or reset */ ){ char **ppDirectory = 0; + int rc; #ifndef SQLITE_OMIT_AUTOINIT - int rc = sqlite3_initialize(); + rc = sqlite3_initialize(); if( rc ) return rc; #endif + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); if( type==SQLITE_WIN32_DATA_DIRECTORY_TYPE ){ ppDirectory = &sqlite3_data_directory; }else if( type==SQLITE_WIN32_TEMP_DIRECTORY_TYPE ){ @@ -43621,14 +47731,19 @@ SQLITE_API int sqlite3_win32_set_directory8( if( zValue && zValue[0] ){ zCopy = sqlite3_mprintf("%s", zValue); if ( zCopy==0 ){ - return SQLITE_NOMEM_BKPT; + rc = SQLITE_NOMEM_BKPT; + goto set_directory8_done; } } sqlite3_free(*ppDirectory); *ppDirectory = zCopy; - return SQLITE_OK; + rc = SQLITE_OK; + }else{ + rc = SQLITE_ERROR; } - return SQLITE_ERROR; +set_directory8_done: + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); + return rc; } /* @@ -44417,7 +48532,7 @@ static int winRead( pFile->h, pBuf, amt, offset, pFile->locktype)); #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -44495,7 +48610,7 @@ static int winWrite( pFile->h, pBuf, amt, offset, pFile->locktype)); #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -44605,7 +48720,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ ** all references to memory-mapped content are closed. That is doable, ** but involves adding a few branches in the common write code path which ** could slow down normal operations slightly. Hence, we have decided for - ** now to simply make trancations a no-op if there are pending reads. We + ** now to simply make transactions a no-op if there are pending reads. We ** can maybe revisit this decision in the future. */ return SQLITE_OK; @@ -44664,7 +48779,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ #ifdef SQLITE_TEST /* ** Count the number of fullsyncs and normal syncs. This is used to test -** that syncs and fullsyncs are occuring at the right times. +** that syncs and fullsyncs are occurring at the right times. */ SQLITE_API int sqlite3_sync_count = 0; SQLITE_API int sqlite3_fullsync_count = 0; @@ -45021,7 +49136,7 @@ static int winLock(sqlite3_file *id, int locktype){ */ if( locktype==EXCLUSIVE_LOCK && res ){ assert( pFile->locktype>=SHARED_LOCK ); - res = winUnlockReadLock(pFile); + (void)winUnlockReadLock(pFile); res = winLockFile(&pFile->h, SQLITE_LOCKFILE_FLAGS, SHARED_FIRST, 0, SHARED_SIZE, 0); if( res ){ @@ -45755,10 +49870,14 @@ static int winShmLock( winFile *pDbFd = (winFile*)fd; /* Connection holding shared memory */ winShm *p = pDbFd->pShm; /* The shared memory being locked */ winShm *pX; /* For looping over all siblings */ - winShmNode *pShmNode = p->pShmNode; + winShmNode *pShmNode; int rc = SQLITE_OK; /* Result code */ u16 mask; /* Mask of locks to take or release */ + if( p==0 ) return SQLITE_IOERR_SHMLOCK; + pShmNode = p->pShmNode; + if( NEVER(pShmNode==0) ) return SQLITE_IOERR_SHMLOCK; + assert( ofst>=0 && ofst+n<=SQLITE_SHM_NLOCK ); assert( n>=1 ); assert( flags==(SQLITE_SHM_LOCK | SQLITE_SHM_SHARED) @@ -46398,6 +50517,19 @@ static int winMakeEndInDirSep(int nBuf, char *zBuf){ return 0; } +/* +** If sqlite3_temp_directory is defined, take the mutex and return true. +** +** If sqlite3_temp_directory is NULL (undefined), omit the mutex and +** return false. +*/ +static int winTempDirDefined(void){ + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); + if( sqlite3_temp_directory!=0 ) return 1; + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); + return 0; +} + /* ** Create a temporary file name and store the resulting pointer into pzBuf. ** The pointer returned in pzBuf must be freed via sqlite3_free(). @@ -46408,6 +50540,7 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789"; size_t i, j; + DWORD pid; int nPre = sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX); int nMax, nBuf, nDir, nLen; char *zBuf; @@ -46434,20 +50567,23 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ */ nDir = nMax - (nPre + 15); assert( nDir>0 ); - if( sqlite3_temp_directory ){ + if( winTempDirDefined() ){ int nDirLen = sqlite3Strlen30(sqlite3_temp_directory); if( nDirLen>0 ){ if( !winIsDirSep(sqlite3_temp_directory[nDirLen-1]) ){ nDirLen++; } if( nDirLen>nDir ){ + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); sqlite3_free(zBuf); OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n")); return winLogError(SQLITE_ERROR, 0, "winGetTempname1", 0); } sqlite3_snprintf(nMax, zBuf, "%s", sqlite3_temp_directory); } + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); } + #if defined(__CYGWIN__) else{ static const char *azDirs[] = { @@ -46617,7 +50753,10 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ j = sqlite3Strlen30(zBuf); sqlite3_randomness(15, &zBuf[j]); + pid = osGetCurrentProcessId(); for(i=0; i<15; i++, j++){ + zBuf[j] += pid & 0xff; + pid >>= 8; zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ]; } zBuf[j] = 0; @@ -46811,7 +50950,11 @@ static int winOpen( dwCreationDisposition = OPEN_EXISTING; } - dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; + if( 0==sqlite3_uri_boolean(zName, "exclusive", 0) ){ + dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; + }else{ + dwShareMode = 0; + } if( isDelete ){ #if SQLITE_OS_WINCE @@ -46851,7 +50994,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -46868,7 +51011,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -46888,7 +51031,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -47111,6 +51254,13 @@ static int winAccess( OSTRACE(("ACCESS name=%s, flags=%x, pResOut=%p\n", zFilename, flags, pResOut)); + if( zFilename==0 ){ + *pResOut = 0; + OSTRACE(("ACCESS name=%s, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n", + zFilename, pResOut, *pResOut)); + return SQLITE_OK; + } + zConverted = winConvertFromUtf8Filename(zFilename); if( zConverted==0 ){ OSTRACE(("ACCESS name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename)); @@ -47232,7 +51382,7 @@ static BOOL winIsVerbatimPathname( ** pathname into zOut[]. zOut[] will be at least pVfs->mxPathname ** bytes in size. */ -static int winFullPathname( +static int winFullPathnameNoMutex( sqlite3_vfs *pVfs, /* Pointer to vfs object */ const char *zRelative, /* Possibly relative input path */ int nFull, /* Size of output buffer in bytes */ @@ -47411,6 +51561,20 @@ static int winFullPathname( } #endif } +static int winFullPathname( + sqlite3_vfs *pVfs, /* Pointer to vfs object */ + const char *zRelative, /* Possibly relative input path */ + int nFull, /* Size of output buffer in bytes */ + char *zFull /* Output buffer */ +){ + int rc; + MUTEX_LOGIC( sqlite3_mutex *pMutex; ) + MUTEX_LOGIC( pMutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR); ) + sqlite3_mutex_enter(pMutex); + rc = winFullPathnameNoMutex(pVfs, zRelative, nFull, zFull); + sqlite3_mutex_leave(pMutex); + return rc; +} #ifndef SQLITE_OMIT_LOAD_EXTENSION /* @@ -47855,31 +52019,88 @@ SQLITE_API int sqlite3_os_end(void){ ** sqlite3_deserialize(). */ /* #include "sqliteInt.h" */ -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE /* ** Forward declaration of objects used by this utility */ typedef struct sqlite3_vfs MemVfs; typedef struct MemFile MemFile; +typedef struct MemStore MemStore; /* Access to a lower-level VFS that (might) implement dynamic loading, ** access to randomness, etc. */ #define ORIGVFS(p) ((sqlite3_vfs*)((p)->pAppData)) -/* An open file */ -struct MemFile { - sqlite3_file base; /* IO methods */ +/* Storage for a memdb file. +** +** An memdb object can be shared or separate. Shared memdb objects can be +** used by more than one database connection. Mutexes are used by shared +** memdb objects to coordinate access. Separate memdb objects are only +** connected to a single database connection and do not require additional +** mutexes. +** +** Shared memdb objects have .zFName!=0 and .pMutex!=0. They are created +** using "file:/name?vfs=memdb". The first character of the name must be +** "/" or else the object will be a separate memdb object. All shared +** memdb objects are stored in memdb_g.apMemStore[] in an arbitrary order. +** +** Separate memdb objects are created using a name that does not begin +** with "/" or using sqlite3_deserialize(). +** +** Access rules for shared MemStore objects: +** +** * .zFName is initialized when the object is created and afterwards +** is unchanged until the object is destroyed. So it can be accessed +** at any time as long as we know the object is not being destroyed, +** which means while either the SQLITE_MUTEX_STATIC_VFS1 or +** .pMutex is held or the object is not part of memdb_g.apMemStore[]. +** +** * Can .pMutex can only be changed while holding the +** SQLITE_MUTEX_STATIC_VFS1 mutex or while the object is not part +** of memdb_g.apMemStore[]. +** +** * Other fields can only be changed while holding the .pMutex mutex +** or when the .nRef is less than zero and the object is not part of +** memdb_g.apMemStore[]. +** +** * The .aData pointer has the added requirement that it can can only +** be changed (for resizing) when nMmap is zero. +** +*/ +struct MemStore { sqlite3_int64 sz; /* Size of the file */ sqlite3_int64 szAlloc; /* Space allocated to aData */ sqlite3_int64 szMax; /* Maximum allowed size of the file */ unsigned char *aData; /* content of the file */ + sqlite3_mutex *pMutex; /* Used by shared stores only */ int nMmap; /* Number of memory mapped pages */ unsigned mFlags; /* Flags */ + int nRdLock; /* Number of readers */ + int nWrLock; /* Number of writers. (Always 0 or 1) */ + int nRef; /* Number of users of this MemStore */ + char *zFName; /* The filename for shared stores */ +}; + +/* An open file */ +struct MemFile { + sqlite3_file base; /* IO methods */ + MemStore *pStore; /* The storage */ int eLock; /* Most recent lock against this file */ }; +/* +** File-scope variables for holding the memdb files that are accessible +** to multiple database connections in separate threads. +** +** Must hold SQLITE_MUTEX_STATIC_VFS1 to access any part of this object. +*/ +static struct MemFS { + int nMemStore; /* Number of shared MemStore objects */ + MemStore **apMemStore; /* Array of all shared MemStore objects */ +} memdb_g; + /* ** Methods for MemFile */ @@ -47890,6 +52111,7 @@ static int memdbTruncate(sqlite3_file*, sqlite3_int64 size); static int memdbSync(sqlite3_file*, int flags); static int memdbFileSize(sqlite3_file*, sqlite3_int64 *pSize); static int memdbLock(sqlite3_file*, int); +static int memdbUnlock(sqlite3_file*, int); /* static int memdbCheckReservedLock(sqlite3_file*, int *pResOut);// not used */ static int memdbFileControl(sqlite3_file*, int op, void *pArg); /* static int memdbSectorSize(sqlite3_file*); // not used */ @@ -47933,7 +52155,10 @@ static sqlite3_vfs memdb_vfs = { memdbSleep, /* xSleep */ 0, /* memdbCurrentTime, */ /* xCurrentTime */ memdbGetLastError, /* xGetLastError */ - memdbCurrentTimeInt64 /* xCurrentTimeInt64 */ + memdbCurrentTimeInt64, /* xCurrentTimeInt64 */ + 0, /* xSetSystemCall */ + 0, /* xGetSystemCall */ + 0, /* xNextSystemCall */ }; static const sqlite3_io_methods memdb_io_methods = { @@ -47945,7 +52170,7 @@ static const sqlite3_io_methods memdb_io_methods = { memdbSync, /* xSync */ memdbFileSize, /* xFileSize */ memdbLock, /* xLock */ - memdbLock, /* xUnlock - same as xLock in this case */ + memdbUnlock, /* xUnlock */ 0, /* memdbCheckReservedLock, */ /* xCheckReservedLock */ memdbFileControl, /* xFileControl */ 0, /* memdbSectorSize,*/ /* xSectorSize */ @@ -47958,17 +52183,68 @@ static const sqlite3_io_methods memdb_io_methods = { memdbUnfetch /* xUnfetch */ }; +/* +** Enter/leave the mutex on a MemStore +*/ +#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE==0 +static void memdbEnter(MemStore *p){ + UNUSED_PARAMETER(p); +} +static void memdbLeave(MemStore *p){ + UNUSED_PARAMETER(p); +} +#else +static void memdbEnter(MemStore *p){ + sqlite3_mutex_enter(p->pMutex); +} +static void memdbLeave(MemStore *p){ + sqlite3_mutex_leave(p->pMutex); +} +#endif + /* ** Close an memdb-file. -** -** The pData pointer is owned by the application, so there is nothing -** to free. +** Free the underlying MemStore object when its refcount drops to zero +** or less. */ static int memdbClose(sqlite3_file *pFile){ - MemFile *p = (MemFile *)pFile; - if( p->mFlags & SQLITE_DESERIALIZE_FREEONCLOSE ) sqlite3_free(p->aData); + MemStore *p = ((MemFile*)pFile)->pStore; + if( p->zFName ){ + int i; +#ifndef SQLITE_MUTEX_OMIT + sqlite3_mutex *pVfsMutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1); +#endif + sqlite3_mutex_enter(pVfsMutex); + for(i=0; ALWAYS(inRef==1 ){ + memdb_g.apMemStore[i] = memdb_g.apMemStore[--memdb_g.nMemStore]; + if( memdb_g.nMemStore==0 ){ + sqlite3_free(memdb_g.apMemStore); + memdb_g.apMemStore = 0; + } + } + break; + } + } + sqlite3_mutex_leave(pVfsMutex); + }else{ + memdbEnter(p); + } + p->nRef--; + if( p->nRef<=0 ){ + if( p->mFlags & SQLITE_DESERIALIZE_FREEONCLOSE ){ + sqlite3_free(p->aData); + } + memdbLeave(p); + sqlite3_mutex_free(p->pMutex); + sqlite3_free(p); + }else{ + memdbLeave(p); + } return SQLITE_OK; } @@ -47981,22 +52257,25 @@ static int memdbRead( int iAmt, sqlite_int64 iOfst ){ - MemFile *p = (MemFile *)pFile; + MemStore *p = ((MemFile*)pFile)->pStore; + memdbEnter(p); if( iOfst+iAmt>p->sz ){ memset(zBuf, 0, iAmt); if( iOfstsz ) memcpy(zBuf, p->aData+iOfst, p->sz - iOfst); + memdbLeave(p); return SQLITE_IOERR_SHORT_READ; } memcpy(zBuf, p->aData+iOfst, iAmt); + memdbLeave(p); return SQLITE_OK; } /* ** Try to enlarge the memory allocation to hold at least sz bytes */ -static int memdbEnlarge(MemFile *p, sqlite3_int64 newSz){ +static int memdbEnlarge(MemStore *p, sqlite3_int64 newSz){ unsigned char *pNew; - if( (p->mFlags & SQLITE_DESERIALIZE_RESIZEABLE)==0 || p->nMmap>0 ){ + if( (p->mFlags & SQLITE_DESERIALIZE_RESIZEABLE)==0 || NEVER(p->nMmap>0) ){ return SQLITE_FULL; } if( newSz>p->szMax ){ @@ -48005,7 +52284,7 @@ static int memdbEnlarge(MemFile *p, sqlite3_int64 newSz){ newSz *= 2; if( newSz>p->szMax ) newSz = p->szMax; pNew = sqlite3Realloc(p->aData, newSz); - if( pNew==0 ) return SQLITE_NOMEM; + if( pNew==0 ) return SQLITE_IOERR_NOMEM; p->aData = pNew; p->szAlloc = newSz; return SQLITE_OK; @@ -48020,19 +52299,27 @@ static int memdbWrite( int iAmt, sqlite_int64 iOfst ){ - MemFile *p = (MemFile *)pFile; - if( NEVER(p->mFlags & SQLITE_DESERIALIZE_READONLY) ) return SQLITE_READONLY; + MemStore *p = ((MemFile*)pFile)->pStore; + memdbEnter(p); + if( NEVER(p->mFlags & SQLITE_DESERIALIZE_READONLY) ){ + /* Can't happen: memdbLock() will return SQLITE_READONLY before + ** reaching this point */ + memdbLeave(p); + return SQLITE_IOERR_WRITE; + } if( iOfst+iAmt>p->sz ){ int rc; if( iOfst+iAmt>p->szAlloc && (rc = memdbEnlarge(p, iOfst+iAmt))!=SQLITE_OK ){ + memdbLeave(p); return rc; } if( iOfst>p->sz ) memset(p->aData+p->sz, 0, iOfst-p->sz); p->sz = iOfst+iAmt; } memcpy(p->aData+iOfst, z, iAmt); + memdbLeave(p); return SQLITE_OK; } @@ -48044,16 +52331,25 @@ static int memdbWrite( ** the size of a file, never to increase the size. */ static int memdbTruncate(sqlite3_file *pFile, sqlite_int64 size){ - MemFile *p = (MemFile *)pFile; - if( NEVER(size>p->sz) ) return SQLITE_FULL; - p->sz = size; - return SQLITE_OK; + MemStore *p = ((MemFile*)pFile)->pStore; + int rc = SQLITE_OK; + memdbEnter(p); + if( size>p->sz ){ + /* This can only happen with a corrupt wal mode db */ + rc = SQLITE_CORRUPT; + }else{ + p->sz = size; + } + memdbLeave(p); + return rc; } /* ** Sync an memdb-file. */ static int memdbSync(sqlite3_file *pFile, int flags){ + UNUSED_PARAMETER(pFile); + UNUSED_PARAMETER(flags); return SQLITE_OK; } @@ -48061,8 +52357,10 @@ static int memdbSync(sqlite3_file *pFile, int flags){ ** Return the current file-size of an memdb-file. */ static int memdbFileSize(sqlite3_file *pFile, sqlite_int64 *pSize){ - MemFile *p = (MemFile *)pFile; + MemStore *p = ((MemFile*)pFile)->pStore; + memdbEnter(p); *pSize = p->sz; + memdbLeave(p); return SQLITE_OK; } @@ -48070,19 +52368,90 @@ static int memdbFileSize(sqlite3_file *pFile, sqlite_int64 *pSize){ ** Lock an memdb-file. */ static int memdbLock(sqlite3_file *pFile, int eLock){ - MemFile *p = (MemFile *)pFile; - if( eLock>SQLITE_LOCK_SHARED - && (p->mFlags & SQLITE_DESERIALIZE_READONLY)!=0 - ){ - return SQLITE_READONLY; + MemFile *pThis = (MemFile*)pFile; + MemStore *p = pThis->pStore; + int rc = SQLITE_OK; + if( eLock<=pThis->eLock ) return SQLITE_OK; + memdbEnter(p); + + assert( p->nWrLock==0 || p->nWrLock==1 ); + assert( pThis->eLock<=SQLITE_LOCK_SHARED || p->nWrLock==1 ); + assert( pThis->eLock==SQLITE_LOCK_NONE || p->nRdLock>=1 ); + + if( eLock>SQLITE_LOCK_SHARED && (p->mFlags & SQLITE_DESERIALIZE_READONLY) ){ + rc = SQLITE_READONLY; + }else{ + switch( eLock ){ + case SQLITE_LOCK_SHARED: { + assert( pThis->eLock==SQLITE_LOCK_NONE ); + if( p->nWrLock>0 ){ + rc = SQLITE_BUSY; + }else{ + p->nRdLock++; + } + break; + }; + + case SQLITE_LOCK_RESERVED: + case SQLITE_LOCK_PENDING: { + assert( pThis->eLock>=SQLITE_LOCK_SHARED ); + if( ALWAYS(pThis->eLock==SQLITE_LOCK_SHARED) ){ + if( p->nWrLock>0 ){ + rc = SQLITE_BUSY; + }else{ + p->nWrLock = 1; + } + } + break; + } + + default: { + assert( eLock==SQLITE_LOCK_EXCLUSIVE ); + assert( pThis->eLock>=SQLITE_LOCK_SHARED ); + if( p->nRdLock>1 ){ + rc = SQLITE_BUSY; + }else if( pThis->eLock==SQLITE_LOCK_SHARED ){ + p->nWrLock = 1; + } + break; + } + } + } + if( rc==SQLITE_OK ) pThis->eLock = eLock; + memdbLeave(p); + return rc; +} + +/* +** Unlock an memdb-file. +*/ +static int memdbUnlock(sqlite3_file *pFile, int eLock){ + MemFile *pThis = (MemFile*)pFile; + MemStore *p = pThis->pStore; + if( eLock>=pThis->eLock ) return SQLITE_OK; + memdbEnter(p); + + assert( eLock==SQLITE_LOCK_SHARED || eLock==SQLITE_LOCK_NONE ); + if( eLock==SQLITE_LOCK_SHARED ){ + if( ALWAYS(pThis->eLock>SQLITE_LOCK_SHARED) ){ + p->nWrLock--; + } + }else{ + if( pThis->eLock>SQLITE_LOCK_SHARED ){ + p->nWrLock--; + } + p->nRdLock--; } - p->eLock = eLock; + + pThis->eLock = eLock; + memdbLeave(p); return SQLITE_OK; } -#if 0 /* Never used because memdbAccess() always returns false */ +#if 0 /* -** Check if another file-handle holds a RESERVED lock on an memdb-file. +** This interface is only used for crash recovery, which does not +** occur on an in-memory database. */ static int memdbCheckReservedLock(sqlite3_file *pFile, int *pResOut){ *pResOut = 0; @@ -48090,12 +52459,14 @@ static int memdbCheckReservedLock(sqlite3_file *pFile, int *pResOut){ } #endif + /* ** File control method. For custom operations on an memdb-file. */ static int memdbFileControl(sqlite3_file *pFile, int op, void *pArg){ - MemFile *p = (MemFile *)pFile; + MemStore *p = ((MemFile*)pFile)->pStore; int rc = SQLITE_NOTFOUND; + memdbEnter(p); if( op==SQLITE_FCNTL_VFSNAME ){ *(char**)pArg = sqlite3_mprintf("memdb(%p,%lld)", p->aData, p->sz); rc = SQLITE_OK; @@ -48113,6 +52484,7 @@ static int memdbFileControl(sqlite3_file *pFile, int op, void *pArg){ *(sqlite3_int64*)pArg = iLimit; rc = SQLITE_OK; } + memdbLeave(p); return rc; } @@ -48129,6 +52501,7 @@ static int memdbSectorSize(sqlite3_file *pFile){ ** Return the device characteristic flags supported by an memdb-file. */ static int memdbDeviceCharacteristics(sqlite3_file *pFile){ + UNUSED_PARAMETER(pFile); return SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | @@ -48142,20 +52515,26 @@ static int memdbFetch( int iAmt, void **pp ){ - MemFile *p = (MemFile *)pFile; - if( iOfst+iAmt>p->sz ){ + MemStore *p = ((MemFile*)pFile)->pStore; + memdbEnter(p); + if( iOfst+iAmt>p->sz || (p->mFlags & SQLITE_DESERIALIZE_RESIZEABLE)!=0 ){ *pp = 0; }else{ p->nMmap++; *pp = (void*)(p->aData + iOfst); } + memdbLeave(p); return SQLITE_OK; } /* Release a memory-mapped page */ static int memdbUnfetch(sqlite3_file *pFile, sqlite3_int64 iOfst, void *pPage){ - MemFile *p = (MemFile *)pFile; + MemStore *p = ((MemFile*)pFile)->pStore; + UNUSED_PARAMETER(iOfst); + UNUSED_PARAMETER(pPage); + memdbEnter(p); p->nMmap--; + memdbLeave(p); return SQLITE_OK; } @@ -48165,20 +52544,79 @@ static int memdbUnfetch(sqlite3_file *pFile, sqlite3_int64 iOfst, void *pPage){ static int memdbOpen( sqlite3_vfs *pVfs, const char *zName, - sqlite3_file *pFile, + sqlite3_file *pFd, int flags, int *pOutFlags ){ - MemFile *p = (MemFile*)pFile; - if( (flags & SQLITE_OPEN_MAIN_DB)==0 ){ - return ORIGVFS(pVfs)->xOpen(ORIGVFS(pVfs), zName, pFile, flags, pOutFlags); + MemFile *pFile = (MemFile*)pFd; + MemStore *p = 0; + int szName; + UNUSED_PARAMETER(pVfs); + + memset(pFile, 0, sizeof(*pFile)); + szName = sqlite3Strlen30(zName); + if( szName>1 && (zName[0]=='/' || zName[0]=='\\') ){ + int i; +#ifndef SQLITE_MUTEX_OMIT + sqlite3_mutex *pVfsMutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1); +#endif + sqlite3_mutex_enter(pVfsMutex); + for(i=0; izFName,zName)==0 ){ + p = memdb_g.apMemStore[i]; + break; + } + } + if( p==0 ){ + MemStore **apNew; + p = sqlite3Malloc( sizeof(*p) + szName + 3 ); + if( p==0 ){ + sqlite3_mutex_leave(pVfsMutex); + return SQLITE_NOMEM; + } + apNew = sqlite3Realloc(memdb_g.apMemStore, + sizeof(apNew[0])*(memdb_g.nMemStore+1) ); + if( apNew==0 ){ + sqlite3_free(p); + sqlite3_mutex_leave(pVfsMutex); + return SQLITE_NOMEM; + } + apNew[memdb_g.nMemStore++] = p; + memdb_g.apMemStore = apNew; + memset(p, 0, sizeof(*p)); + p->mFlags = SQLITE_DESERIALIZE_RESIZEABLE|SQLITE_DESERIALIZE_FREEONCLOSE; + p->szMax = sqlite3GlobalConfig.mxMemdbSize; + p->zFName = (char*)&p[1]; + memcpy(p->zFName, zName, szName+1); + p->pMutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST); + if( p->pMutex==0 ){ + memdb_g.nMemStore--; + sqlite3_free(p); + sqlite3_mutex_leave(pVfsMutex); + return SQLITE_NOMEM; + } + p->nRef = 1; + memdbEnter(p); + }else{ + memdbEnter(p); + p->nRef++; + } + sqlite3_mutex_leave(pVfsMutex); + }else{ + p = sqlite3Malloc( sizeof(*p) ); + if( p==0 ){ + return SQLITE_NOMEM; + } + memset(p, 0, sizeof(*p)); + p->mFlags = SQLITE_DESERIALIZE_RESIZEABLE | SQLITE_DESERIALIZE_FREEONCLOSE; + p->szMax = sqlite3GlobalConfig.mxMemdbSize; } - memset(p, 0, sizeof(*p)); - p->mFlags = SQLITE_DESERIALIZE_RESIZEABLE | SQLITE_DESERIALIZE_FREEONCLOSE; - assert( pOutFlags!=0 ); /* True because flags==SQLITE_OPEN_MAIN_DB */ - *pOutFlags = flags | SQLITE_OPEN_MEMORY; - pFile->pMethods = &memdb_io_methods; - p->szMax = sqlite3GlobalConfig.mxMemdbSize; + pFile->pStore = p; + if( pOutFlags!=0 ){ + *pOutFlags = flags | SQLITE_OPEN_MEMORY; + } + pFd->pMethods = &memdb_io_methods; + memdbLeave(p); return SQLITE_OK; } @@ -48206,6 +52644,9 @@ static int memdbAccess( int flags, int *pResOut ){ + UNUSED_PARAMETER(pVfs); + UNUSED_PARAMETER(zPath); + UNUSED_PARAMETER(flags); *pResOut = 0; return SQLITE_OK; } @@ -48221,6 +52662,7 @@ static int memdbFullPathname( int nOut, char *zOut ){ + UNUSED_PARAMETER(pVfs); sqlite3_snprintf(nOut, zOut, "%s", zPath); return SQLITE_OK; } @@ -48293,9 +52735,14 @@ static int memdbCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *p){ */ static MemFile *memdbFromDbSchema(sqlite3 *db, const char *zSchema){ MemFile *p = 0; + MemStore *pStore; int rc = sqlite3_file_control(db, zSchema, SQLITE_FCNTL_FILE_POINTER, &p); if( rc ) return 0; if( p->base.pMethods!=&memdb_io_methods ) return 0; + pStore = p->pStore; + memdbEnter(pStore); + if( pStore->zFName!=0 ) p = 0; + memdbLeave(pStore); return p; } @@ -48331,12 +52778,14 @@ SQLITE_API unsigned char *sqlite3_serialize( if( piSize ) *piSize = -1; if( iDb<0 ) return 0; if( p ){ - if( piSize ) *piSize = p->sz; + MemStore *pStore = p->pStore; + assert( pStore->pMutex==0 ); + if( piSize ) *piSize = pStore->sz; if( mFlags & SQLITE_SERIALIZE_NOCOPY ){ - pOut = p->aData; + pOut = pStore->aData; }else{ - pOut = sqlite3_malloc64( p->sz ); - if( pOut ) memcpy(pOut, p->aData, p->sz); + pOut = sqlite3_malloc64( pStore->sz ); + if( pOut ) memcpy(pOut, pStore->aData, pStore->sz); } return pOut; } @@ -48406,13 +52855,18 @@ SQLITE_API int sqlite3_deserialize( sqlite3_mutex_enter(db->mutex); if( zSchema==0 ) zSchema = db->aDb[0].zDbSName; iDb = sqlite3FindDbName(db, zSchema); - if( iDb<0 ){ + testcase( iDb==1 ); + if( iDb<2 && iDb!=0 ){ rc = SQLITE_ERROR; goto end_deserialize; } zSql = sqlite3_mprintf("ATTACH x AS %Q", zSchema); - rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); + if( zSql==0 ){ + rc = SQLITE_NOMEM; + }else{ + rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); + sqlite3_free(zSql); + } if( rc ) goto end_deserialize; db->init.iDb = (u8)iDb; db->init.reopenMemdb = 1; @@ -48426,30 +52880,44 @@ SQLITE_API int sqlite3_deserialize( if( p==0 ){ rc = SQLITE_ERROR; }else{ - p->aData = pData; - p->sz = szDb; - p->szAlloc = szBuf; - p->szMax = szBuf; - if( p->szMaxszMax = sqlite3GlobalConfig.mxMemdbSize; + MemStore *pStore = p->pStore; + pStore->aData = pData; + pData = 0; + pStore->sz = szDb; + pStore->szAlloc = szBuf; + pStore->szMax = szBuf; + if( pStore->szMaxszMax = sqlite3GlobalConfig.mxMemdbSize; } - p->mFlags = mFlags; + pStore->mFlags = mFlags; rc = SQLITE_OK; } end_deserialize: sqlite3_finalize(pStmt); + if( pData && (mFlags & SQLITE_DESERIALIZE_FREEONCLOSE)!=0 ){ + sqlite3_free(pData); + } sqlite3_mutex_leave(db->mutex); return rc; } +/* +** Return true if the VFS is the memvfs. +*/ +SQLITE_PRIVATE int sqlite3IsMemdb(const sqlite3_vfs *pVfs){ + return pVfs==&memdb_vfs; +} + /* ** This routine is called when the extension is loaded. ** Register the new VFS. */ SQLITE_PRIVATE int sqlite3MemdbInit(void){ sqlite3_vfs *pLower = sqlite3_vfs_find(0); - int sz = pLower->szOsFile; + unsigned int sz; + if( NEVER(pLower==0) ) return SQLITE_ERROR; + sz = pLower->szOsFile; memdb_vfs.pAppData = pLower; /* The following conditional can only be true when compiled for ** Windows x86 and SQLITE_MAX_MMAP_SIZE=0. We always leave @@ -48459,7 +52927,7 @@ SQLITE_PRIVATE int sqlite3MemdbInit(void){ memdb_vfs.szOsFile = sz; return sqlite3_vfs_register(&memdb_vfs, 0); } -#endif /* SQLITE_ENABLE_DESERIALIZE */ +#endif /* SQLITE_OMIT_DESERIALIZE */ /************** End of memdb.c ***********************************************/ /************** Begin file bitvec.c ******************************************/ @@ -48653,7 +53121,7 @@ SQLITE_PRIVATE int sqlite3BitvecSet(Bitvec *p, u32 i){ h = BITVEC_HASH(i++); /* if there wasn't a hash collision, and this doesn't */ /* completely fill the hash, then just add it without */ - /* worring about sub-dividing and re-hashing. */ + /* worrying about sub-dividing and re-hashing. */ if( !p->u.aHash[h] ){ if (p->nSet<(BITVEC_NINT-1)) { goto bitvec_set_end; @@ -48818,7 +53286,7 @@ SQLITE_PRIVATE int sqlite3BitvecBuiltinTest(int sz, int *aOp){ sqlite3BitvecClear(0, 1, pTmpSpace); /* Run the program */ - pc = 0; + pc = i = 0; while( (op = aOp[pc])!=0 ){ switch( op ){ case 1: @@ -48920,7 +53388,7 @@ SQLITE_PRIVATE int sqlite3BitvecBuiltinTest(int sz, int *aOp){ struct PCache { PgHdr *pDirty, *pDirtyTail; /* List of dirty pages in LRU order */ PgHdr *pSynced; /* Last synced page in dirty page list */ - int nRefSum; /* Sum of ref counts over all pages */ + i64 nRefSum; /* Sum of ref counts over all pages */ int szCache; /* Configured cache size */ int szSpill; /* Size before spilling occurs */ int szPage; /* Size of every page in this cache */ @@ -48945,12 +53413,24 @@ struct PCache { int sqlite3PcacheTrace = 2; /* 0: off 1: simple 2: cache dumps */ int sqlite3PcacheMxDump = 9999; /* Max cache entries for pcacheDump() */ # define pcacheTrace(X) if(sqlite3PcacheTrace){sqlite3DebugPrintf X;} - void pcacheDump(PCache *pCache){ - int N; - int i, j; - sqlite3_pcache_page *pLower; + static void pcachePageTrace(int i, sqlite3_pcache_page *pLower){ PgHdr *pPg; unsigned char *a; + int j; + if( pLower==0 ){ + printf("%3d: NULL\n", i); + }else{ + pPg = (PgHdr*)pLower->pExtra; + printf("%3d: nRef %2lld flgs %02x data ", i, pPg->nRef, pPg->flags); + a = (unsigned char *)pLower->pBuf; + for(j=0; j<12; j++) printf("%02x", a[j]); + printf(" ptr %p\n", pPg); + } + } + static void pcacheDump(PCache *pCache){ + int N; + int i; + sqlite3_pcache_page *pLower; if( sqlite3PcacheTrace<2 ) return; if( pCache->pCache==0 ) return; @@ -48958,22 +53438,42 @@ struct PCache { if( N>sqlite3PcacheMxDump ) N = sqlite3PcacheMxDump; for(i=1; i<=N; i++){ pLower = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, i, 0); - if( pLower==0 ) continue; - pPg = (PgHdr*)pLower->pExtra; - printf("%3d: nRef %2d flgs %02x data ", i, pPg->nRef, pPg->flags); - a = (unsigned char *)pLower->pBuf; - for(j=0; j<12; j++) printf("%02x", a[j]); - printf("\n"); - if( pPg->pPage==0 ){ + pcachePageTrace(i, pLower); + if( pLower && ((PgHdr*)pLower)->pPage==0 ){ sqlite3GlobalConfig.pcache2.xUnpin(pCache->pCache, pLower, 0); } } } - #else +#else # define pcacheTrace(X) +# define pcachePageTrace(PGNO, X) # define pcacheDump(X) #endif +/* +** Return 1 if pPg is on the dirty list for pCache. Return 0 if not. +** This routine runs inside of assert() statements only. +*/ +#if defined(SQLITE_ENABLE_EXPENSIVE_ASSERT) +static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){ + PgHdr *p; + for(p=pCache->pDirty; p; p=p->pDirtyNext){ + if( p==pPg ) return 1; + } + return 0; +} +static int pageNotOnDirtyList(PCache *pCache, PgHdr *pPg){ + PgHdr *p; + for(p=pCache->pDirty; p; p=p->pDirtyNext){ + if( p==pPg ) return 0; + } + return 1; +} +#else +# define pageOnDirtyList(A,B) 1 +# define pageNotOnDirtyList(A,B) 1 +#endif + /* ** Check invariants on a PgHdr entry. Return true if everything is OK. ** Return false if any invariant is violated. @@ -48992,8 +53492,13 @@ SQLITE_PRIVATE int sqlite3PcachePageSanity(PgHdr *pPg){ assert( pCache!=0 ); /* Every page has an associated PCache */ if( pPg->flags & PGHDR_CLEAN ){ assert( (pPg->flags & PGHDR_DIRTY)==0 );/* Cannot be both CLEAN and DIRTY */ - assert( pCache->pDirty!=pPg ); /* CLEAN pages not on dirty list */ - assert( pCache->pDirtyTail!=pPg ); + assert( pageNotOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirtylist */ + }else{ + assert( (pPg->flags & PGHDR_DIRTY)!=0 );/* If not CLEAN must be DIRTY */ + assert( pPg->pDirtyNext==0 || pPg->pDirtyNext->pDirtyPrev==pPg ); + assert( pPg->pDirtyPrev==0 || pPg->pDirtyPrev->pDirtyNext==pPg ); + assert( pPg->pDirtyPrev!=0 || pCache->pDirty==pPg ); + assert( pageOnDirtyList(pCache, pPg) ); } /* WRITEABLE pages must also be DIRTY */ if( pPg->flags & PGHDR_WRITEABLE ){ @@ -49122,11 +53627,14 @@ static int numberOfCachePages(PCache *p){ ** suggested cache size is set to N. */ return p->szCache; }else{ - /* IMPLEMANTATION-OF: R-59858-46238 If the argument N is negative, then the + i64 n; + /* IMPLEMENTATION-OF: R-59858-46238 If the argument N is negative, then the ** number of cache pages is adjusted to be a number of pages that would ** use approximately abs(N*1024) bytes of memory based on the current ** page size. */ - return (int)((-1024*(i64)p->szCache)/(p->szPage+p->szExtra)); + n = ((-1024*(i64)p->szCache)/(p->szPage+p->szExtra)); + if( n>1000000000 ) n = 1000000000; + return (int)n; } } @@ -49264,8 +53772,9 @@ SQLITE_PRIVATE sqlite3_pcache_page *sqlite3PcacheFetch( assert( createFlag==0 || pCache->eCreate==eCreate ); assert( createFlag==0 || eCreate==1+(!pCache->bPurgeable||!pCache->pDirty) ); pRes = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, pgno, eCreate); - pcacheTrace(("%p.FETCH %d%s (result: %p)\n",pCache,pgno, + pcacheTrace(("%p.FETCH %d%s (result: %p) ",pCache,pgno, createFlag?" create":"",pRes)); + pcachePageTrace(pgno, pRes); return pRes; } @@ -49393,6 +53902,7 @@ SQLITE_PRIVATE void SQLITE_NOINLINE sqlite3PcacheRelease(PgHdr *p){ pcacheUnpin(p); }else{ pcacheManageDirtyList(p, PCACHE_DIRTYLIST_FRONT); + assert( sqlite3PcachePageSanity(p) ); } } } @@ -49436,6 +53946,7 @@ SQLITE_PRIVATE void sqlite3PcacheMakeDirty(PgHdr *p){ pcacheTrace(("%p.DIRTY %d\n",p->pCache,p->pgno)); assert( (p->flags & (PGHDR_DIRTY|PGHDR_CLEAN))==PGHDR_DIRTY ); pcacheManageDirtyList(p, PCACHE_DIRTYLIST_ADD); + assert( sqlite3PcachePageSanity(p) ); } assert( sqlite3PcachePageSanity(p) ); } @@ -49498,14 +54009,24 @@ SQLITE_PRIVATE void sqlite3PcacheClearSyncFlags(PCache *pCache){ */ SQLITE_PRIVATE void sqlite3PcacheMove(PgHdr *p, Pgno newPgno){ PCache *pCache = p->pCache; + sqlite3_pcache_page *pOther; assert( p->nRef>0 ); assert( newPgno>0 ); assert( sqlite3PcachePageSanity(p) ); pcacheTrace(("%p.MOVE %d -> %d\n",pCache,p->pgno,newPgno)); + pOther = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, newPgno, 0); + if( pOther ){ + PgHdr *pXPage = (PgHdr*)pOther->pExtra; + assert( pXPage->nRef==0 ); + pXPage->nRef++; + pCache->nRefSum++; + sqlite3PcacheDrop(pXPage); + } sqlite3GlobalConfig.pcache2.xRekey(pCache->pCache, p->pPage, p->pgno,newPgno); p->pgno = newPgno; if( (p->flags&PGHDR_DIRTY) && (p->flags&PGHDR_NEED_SYNC) ){ pcacheManageDirtyList(p, PCACHE_DIRTYLIST_FRONT); + assert( sqlite3PcachePageSanity(p) ); } } @@ -49595,7 +54116,7 @@ static PgHdr *pcacheMergeDirtyList(PgHdr *pA, PgHdr *pB){ } /* -** Sort the list of pages in accending order by pgno. Pages are +** Sort the list of pages in ascending order by pgno. Pages are ** connected by pDirty pointers. The pDirtyPrev pointers are ** corrupted by this sort. ** @@ -49654,14 +54175,14 @@ SQLITE_PRIVATE PgHdr *sqlite3PcacheDirtyList(PCache *pCache){ ** This is not the total number of pages referenced, but the sum of the ** reference count for all pages. */ -SQLITE_PRIVATE int sqlite3PcacheRefCount(PCache *pCache){ +SQLITE_PRIVATE i64 sqlite3PcacheRefCount(PCache *pCache){ return pCache->nRefSum; } /* ** Return the number of references to the page supplied as an argument. */ -SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr *p){ +SQLITE_PRIVATE i64 sqlite3PcachePageRefcount(PgHdr *p){ return p->nRef; } @@ -49803,12 +54324,13 @@ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHd ** size can vary according to architecture, compile-time options, and ** SQLite library version number. ** -** If SQLITE_PCACHE_SEPARATE_HEADER is defined, then the extension is obtained -** using a separate memory allocation from the database page content. This -** seeks to overcome the "clownshoe" problem (also called "internal -** fragmentation" in academic literature) of allocating a few bytes more -** than a power of two with the memory allocator rounding up to the next -** power of two, and leaving the rounded-up space unused. +** Historical note: It used to be that if the SQLITE_PCACHE_SEPARATE_HEADER +** was defined, then the page content would be held in a separate memory +** allocation from the PgHdr1. This was intended to avoid clownshoe memory +** allocations. However, the btree layer needs a small (16-byte) overrun +** area after the page content buffer. The header serves as that overrun +** area. Therefore SQLITE_PCACHE_SEPARATE_HEADER was discontinued to avoid +** any possibility of a memory error. ** ** This module tracks pointers to PgHdr1 objects. Only pcache.c communicates ** with this module. Information is passed back and forth as PgHdr1 pointers. @@ -49834,7 +54356,7 @@ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHd ** If N is positive, then N pages worth of memory are allocated using a single ** sqlite3Malloc() call and that memory is used for the first N pages allocated. ** Or if N is negative, then -1024*N bytes of memory are allocated and used -** for as many pages as can be accomodated. +** for as many pages as can be accommodated. ** ** Only one of (2) or (3) can be used. Once the memory available to (2) or ** (3) is exhausted, subsequent allocations fail over to the general-purpose @@ -49853,30 +54375,40 @@ typedef struct PGroup PGroup; /* ** Each cache entry is represented by an instance of the following -** structure. Unless SQLITE_PCACHE_SEPARATE_HEADER is defined, a buffer of -** PgHdr1.pCache->szPage bytes is allocated directly before this structure -** in memory. +** structure. A buffer of PgHdr1.pCache->szPage bytes is allocated +** directly before this structure and is used to cache the page content. +** +** When reading a corrupt database file, it is possible that SQLite might +** read a few bytes (no more than 16 bytes) past the end of the page buffer. +** It will only read past the end of the page buffer, never write. This +** object is positioned immediately after the page buffer to serve as an +** overrun area, so that overreads are harmless. ** -** Note: Variables isBulkLocal and isAnchor were once type "u8". That works, +** Variables isBulkLocal and isAnchor were once type "u8". That works, ** but causes a 2-byte gap in the structure for most architectures (since ** pointers must be either 4 or 8-byte aligned). As this structure is located ** in memory directly after the associated page data, if the database is ** corrupt, code at the b-tree layer may overread the page buffer and ** read part of this structure before the corruption is detected. This -** can cause a valgrind error if the unitialized gap is accessed. Using u16 -** ensures there is no such gap, and therefore no bytes of unitialized memory -** in the structure. +** can cause a valgrind error if the uninitialized gap is accessed. Using u16 +** ensures there is no such gap, and therefore no bytes of uninitialized +** memory in the structure. +** +** The pLruNext and pLruPrev pointers form a double-linked circular list +** of all pages that are unpinned. The PGroup.lru element (which should be +** the only element on the list with PgHdr1.isAnchor set to 1) forms the +** beginning and the end of the list. */ struct PgHdr1 { - sqlite3_pcache_page page; /* Base class. Must be first. pBuf & pExtra */ - unsigned int iKey; /* Key value (page number) */ - u16 isBulkLocal; /* This page from bulk local storage */ - u16 isAnchor; /* This is the PGroup.lru element */ - PgHdr1 *pNext; /* Next in hash table chain */ - PCache1 *pCache; /* Cache that currently owns this page */ - PgHdr1 *pLruNext; /* Next in LRU list of unpinned pages */ - PgHdr1 *pLruPrev; /* Previous in LRU list of unpinned pages */ - /* NB: pLruPrev is only valid if pLruNext!=0 */ + sqlite3_pcache_page page; /* Base class. Must be first. pBuf & pExtra */ + unsigned int iKey; /* Key value (page number) */ + u16 isBulkLocal; /* This page from bulk local storage */ + u16 isAnchor; /* This is the PGroup.lru element */ + PgHdr1 *pNext; /* Next in hash table chain */ + PCache1 *pCache; /* Cache that currently owns this page */ + PgHdr1 *pLruNext; /* Next in circular LRU list of unpinned pages */ + PgHdr1 *pLruPrev; /* Previous in LRU list of unpinned pages */ + /* NB: pLruPrev is only valid if pLruNext!=0 */ }; /* @@ -50202,29 +54734,18 @@ static PgHdr1 *pcache1AllocPage(PCache1 *pCache, int benignMalloc){ pcache1LeaveMutex(pCache->pGroup); #endif if( benignMalloc ){ sqlite3BeginBenignMalloc(); } -#ifdef SQLITE_PCACHE_SEPARATE_HEADER - pPg = pcache1Alloc(pCache->szPage); - p = sqlite3Malloc(sizeof(PgHdr1) + pCache->szExtra); - if( !pPg || !p ){ - pcache1Free(pPg); - sqlite3_free(p); - pPg = 0; - } -#else pPg = pcache1Alloc(pCache->szAlloc); -#endif if( benignMalloc ){ sqlite3EndBenignMalloc(); } #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT pcache1EnterMutex(pCache->pGroup); #endif if( pPg==0 ) return 0; -#ifndef SQLITE_PCACHE_SEPARATE_HEADER p = (PgHdr1 *)&((u8 *)pPg)[pCache->szPage]; -#endif p->page.pBuf = pPg; p->page.pExtra = &p[1]; p->isBulkLocal = 0; p->isAnchor = 0; + p->pLruPrev = 0; /* Initializing this saves a valgrind error */ } (*pCache->pnPurgeable)++; return p; @@ -50243,9 +54764,6 @@ static void pcache1FreePage(PgHdr1 *p){ pCache->pFree = p; }else{ pcache1Free(p->page.pBuf); -#ifdef SQLITE_PCACHE_SEPARATE_HEADER - sqlite3_free(p); -#endif } (*pCache->pnPurgeable)--; } @@ -50580,12 +55098,18 @@ static sqlite3_pcache *pcache1Create(int szPage, int szExtra, int bPurgeable){ */ static void pcache1Cachesize(sqlite3_pcache *p, int nMax){ PCache1 *pCache = (PCache1 *)p; + u32 n; + assert( nMax>=0 ); if( pCache->bPurgeable ){ PGroup *pGroup = pCache->pGroup; pcache1EnterMutex(pGroup); - pGroup->nMaxPage += (nMax - pCache->nMax); + n = (u32)nMax; + if( n > 0x7fff0000 - pGroup->nMaxPage + pCache->nMax ){ + n = 0x7fff0000 - pGroup->nMaxPage + pCache->nMax; + } + pGroup->nMaxPage += (n - pCache->nMax); pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage; - pCache->nMax = nMax; + pCache->nMax = n; pCache->n90pct = pCache->nMax*9/10; pcache1EnforceMaxPage(pCache); pcache1LeaveMutex(pGroup); @@ -50601,7 +55125,7 @@ static void pcache1Shrink(sqlite3_pcache *p){ PCache1 *pCache = (PCache1*)p; if( pCache->bPurgeable ){ PGroup *pGroup = pCache->pGroup; - int savedMaxPage; + unsigned int savedMaxPage; pcache1EnterMutex(pGroup); savedMaxPage = pGroup->nMaxPage; pGroup->nMaxPage = 0; @@ -50880,23 +55404,26 @@ static void pcache1Rekey( PCache1 *pCache = (PCache1 *)p; PgHdr1 *pPage = (PgHdr1 *)pPg; PgHdr1 **pp; - unsigned int h; + unsigned int hOld, hNew; assert( pPage->iKey==iOld ); assert( pPage->pCache==pCache ); + assert( iOld!=iNew ); /* The page number really is changing */ pcache1EnterMutex(pCache->pGroup); - h = iOld%pCache->nHash; - pp = &pCache->apHash[h]; + assert( pcache1FetchNoMutex(p, iOld, 0)==pPage ); /* pPg really is iOld */ + hOld = iOld%pCache->nHash; + pp = &pCache->apHash[hOld]; while( (*pp)!=pPage ){ pp = &(*pp)->pNext; } *pp = pPage->pNext; - h = iNew%pCache->nHash; + assert( pcache1FetchNoMutex(p, iNew, 0)==0 ); /* iNew not in cache */ + hNew = iNew%pCache->nHash; pPage->iKey = iNew; - pPage->pNext = pCache->apHash[h]; - pCache->apHash[h] = pPage; + pPage->pNext = pCache->apHash[hNew]; + pCache->apHash[hNew] = pPage; if( iNew>pCache->iMaxKey ){ pCache->iMaxKey = iNew; } @@ -51003,9 +55530,6 @@ SQLITE_PRIVATE int sqlite3PcacheReleaseMemory(int nReq){ && p->isAnchor==0 ){ nFree += pcache1MemSize(p->page.pBuf); -#ifdef SQLITE_PCACHE_SEPARATE_HEADER - nFree += sqlite3MemSize(p); -#endif assert( PAGE_IS_UNPINNED(p) ); pcache1PinPage(p); pcache1RemoveFromHash(p, 1); @@ -51086,7 +55610,7 @@ SQLITE_PRIVATE void sqlite3PcacheStats( ** The TEST primitive includes a "batch" number. The TEST primitive ** will only see elements that were inserted before the last change ** in the batch number. In other words, if an INSERT occurs between -** two TESTs where the TESTs have the same batch nubmer, then the +** two TESTs where the TESTs have the same batch number, then the ** value added by the INSERT will not be visible to the second TEST. ** The initial batch number is zero, so if the very first TEST contains ** a non-zero batch number, it will see all prior INSERTs. @@ -51618,6 +56142,7 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 # define sqlite3WalFramesize(z) 0 # define sqlite3WalFindFrame(x,y,z) 0 # define sqlite3WalFile(x) 0 +# undef SQLITE_USE_SEH #else #define WAL_SAVEPOINT_NDATA 4 @@ -51724,6 +56249,10 @@ SQLITE_PRIVATE int sqlite3WalWriteLock(Wal *pWal, int bLock); SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db); #endif +#ifdef SQLITE_USE_SEH +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal*); +#endif + #endif /* ifndef SQLITE_OMIT_WAL */ #endif /* SQLITE_WAL_H */ @@ -52009,7 +56538,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** outstanding transactions have been abandoned, the pager is able to ** transition back to OPEN state, discarding the contents of the ** page-cache and any other in-memory state at the same time. Everything -** is reloaded from disk (and, if necessary, hot-journal rollback peformed) +** is reloaded from disk (and, if necessary, hot-journal rollback performed) ** when a read-transaction is next opened on the pager (transitioning ** the pager into READER state). At that point the system has recovered ** from the error. @@ -52143,6 +56672,7 @@ struct PagerSavepoint { Bitvec *pInSavepoint; /* Set of pages in this savepoint */ Pgno nOrig; /* Original number of pages in file */ Pgno iSubRec; /* Index of first record in sub-journal */ + int bTruncateOnRelease; /* If stmt journal may be truncated on RELEASE */ #ifndef SQLITE_OMIT_WAL u32 aWalData[WAL_SAVEPOINT_NDATA]; /* WAL savepoint context */ #endif @@ -52337,6 +56867,7 @@ struct Pager { u8 noLock; /* Do not lock (except in WAL mode) */ u8 readOnly; /* True for a read-only database */ u8 memDb; /* True to inhibit all file I/O */ + u8 memVfs; /* VFS-implemented memory database */ /************************************************************************** ** The following block contains those class members that change during @@ -52386,8 +56917,9 @@ struct Pager { i16 nReserve; /* Number of unused bytes at end of each page */ u32 vfsFlags; /* Flags for sqlite3_vfs.xOpen() */ u32 sectorSize; /* Assumed sector size during rollback */ - int pageSize; /* Number of bytes in a page */ Pgno mxPgno; /* Maximum allowed size of the database */ + Pgno lckPgno; /* Page number for the locking page */ + i64 pageSize; /* Number of bytes in a page */ i64 journalSizeLimit; /* Size limit for persistent journal files */ char *zFilename; /* Name of the database file */ char *zJournal; /* Name of the journal file */ @@ -52778,6 +57310,9 @@ static int subjRequiresPage(PgHdr *pPg){ for(i=0; inSavepoint; i++){ p = &pPager->aSavepoint[i]; if( p->nOrig>=pgno && 0==sqlite3BitvecTestNotNull(p->pInSavepoint, pgno) ){ + for(i=i+1; inSavepoint; i++){ + pPager->aSavepoint[i].bTruncateOnRelease = 0; + } return 1; } } @@ -53370,13 +57905,13 @@ static int readJournalHdr( ** journal file descriptor is advanced to the next sector boundary before ** anything is written. The format is: ** -** + 4 bytes: PAGER_MJ_PGNO. +** + 4 bytes: PAGER_SJ_PGNO. ** + N bytes: super-journal filename in utf-8. ** + 4 bytes: N (length of super-journal name in bytes, no nul-terminator). ** + 4 bytes: super-journal name checksum. ** + 8 bytes: aJournalMagic[]. ** -** The super-journal page checksum is the sum of the bytes in thesuper-journal +** The super-journal page checksum is the sum of the bytes in the super-journal ** name, where each byte is interpreted as a signed 8-bit integer. ** ** If zSuper is a NULL pointer (occurs for a single database transaction), @@ -53418,7 +57953,7 @@ static int writeSuperJournal(Pager *pPager, const char *zSuper){ /* Write the super-journal data to the end of the journal file. If ** an error occurs, return the error code to the caller. */ - if( (0 != (rc = write32bits(pPager->jfd, iHdrOff, PAGER_MJ_PGNO(pPager)))) + if( (0 != (rc = write32bits(pPager->jfd, iHdrOff, PAGER_SJ_PGNO(pPager)))) || (0 != (rc = sqlite3OsWrite(pPager->jfd, zSuper, nSuper, iHdrOff+4))) || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper, nSuper))) || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper+4, cksum))) @@ -53599,7 +58134,7 @@ static void pager_unlock(Pager *pPager){ /* ** This function is called whenever an IOERR or FULL error that requires -** the pager to transition into the ERROR state may ahve occurred. +** the pager to transition into the ERROR state may have occurred. ** The first argument is a pointer to the pager structure, the second ** the error-code about to be returned by a pager API function. The ** value returned is a copy of the second argument to this function. @@ -53874,7 +58409,7 @@ static void pagerUnlockAndRollback(Pager *pPager){ /* ** Parameter aData must point to a buffer of pPager->pageSize bytes -** of data. Compute and return a checksum based ont the contents of the +** of data. Compute and return a checksum based on the contents of the ** page of data and the current value of pPager->cksumInit. ** ** This is not a real checksum. It is really just the sum of the @@ -53928,7 +58463,7 @@ static u32 pager_cksum(Pager *pPager, const u8 *aData){ ** corrupted, SQLITE_DONE is returned. Data is considered corrupted in ** two circumstances: ** -** * If the record page-number is illegal (0 or PAGER_MJ_PGNO), or +** * If the record page-number is illegal (0 or PAGER_SJ_PGNO), or ** * If the record is being rolled back from the main journal file ** and the checksum field does not match the record content. ** @@ -53988,7 +58523,7 @@ static int pager_playback_one_page( ** it could cause invalid data to be written into the journal. We need to ** detect this invalid data (with high probability) and ignore it. */ - if( pgno==0 || pgno==PAGER_MJ_PGNO(pPager) ){ + if( pgno==0 || pgno==PAGER_SJ_PGNO(pPager) ){ assert( !isSavepnt ); return SQLITE_DONE; } @@ -54194,6 +58729,7 @@ static int pager_delsuper(Pager *pPager, const char *zSuper){ i64 nSuperJournal; /* Size of super-journal file */ char *zJournal; /* Pointer to one journal within MJ file */ char *zSuperPtr; /* Space to hold super-journal filename */ + char *zFree = 0; /* Free this buffer */ int nSuperPtr; /* Amount of space allocated to zSuperPtr[] */ /* Allocate space for both the pJournal and pSuper file descriptors. @@ -54218,11 +58754,13 @@ static int pager_delsuper(Pager *pPager, const char *zSuper){ rc = sqlite3OsFileSize(pSuper, &nSuperJournal); if( rc!=SQLITE_OK ) goto delsuper_out; nSuperPtr = pVfs->mxPathname+1; - zSuperJournal = sqlite3Malloc(nSuperJournal + nSuperPtr + 2); - if( !zSuperJournal ){ + zFree = sqlite3Malloc(4 + nSuperJournal + nSuperPtr + 2); + if( !zFree ){ rc = SQLITE_NOMEM_BKPT; goto delsuper_out; } + zFree[0] = zFree[1] = zFree[2] = zFree[3] = 0; + zSuperJournal = &zFree[4]; zSuperPtr = &zSuperJournal[nSuperJournal+2]; rc = sqlite3OsRead(pSuper, zSuperJournal, (int)nSuperJournal, 0); if( rc!=SQLITE_OK ) goto delsuper_out; @@ -54270,7 +58808,7 @@ static int pager_delsuper(Pager *pPager, const char *zSuper){ rc = sqlite3OsDelete(pVfs, zSuper, 0); delsuper_out: - sqlite3_free(zSuperJournal); + sqlite3_free(zFree); if( pSuper ){ sqlite3OsClose(pSuper); assert( !isOpen(pJournal) ); @@ -54304,6 +58842,8 @@ static int pager_truncate(Pager *pPager, Pgno nPage){ int rc = SQLITE_OK; assert( pPager->eState!=PAGER_ERROR ); assert( pPager->eState!=PAGER_READER ); + PAGERTRACE(("Truncate %d npage %u\n", PAGERID(pPager), nPage)); + if( isOpen(pPager->fd) && (pPager->eState>=PAGER_WRITER_DBMOD || pPager->eState==PAGER_OPEN) @@ -54322,6 +58862,7 @@ static int pager_truncate(Pager *pPager, Pgno nPage){ memset(pTmp, 0, szPage); testcase( (newSize-szPage) == currentSize ); testcase( (newSize-szPage) > currentSize ); + sqlite3OsFileControlHint(pPager->fd, SQLITE_FCNTL_SIZE_HINT, &newSize); rc = sqlite3OsWrite(pPager->fd, pTmp, szPage, newSize-szPage); } if( rc==SQLITE_OK ){ @@ -54544,6 +59085,9 @@ static int pager_playback(Pager *pPager, int isHot){ goto end_playback; } pPager->dbSize = mxPg; + if( pPager->mxPgnomxPgno = mxPg; + } } /* Copy original pages out of the journal and back into the @@ -54608,7 +59152,11 @@ static int pager_playback(Pager *pPager, int isHot){ pPager->changeCountDone = pPager->tempFile; if( rc==SQLITE_OK ){ - zSuper = pPager->pTmpSpace; + /* Leave 4 bytes of space before the super-journal filename in memory. + ** This is because it may end up being passed to sqlite3OsOpen(), in + ** which case it requires 4 0x00 bytes in memory immediately before + ** the filename. */ + zSuper = &pPager->pTmpSpace[4]; rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1); testcase( rc!=SQLITE_OK ); } @@ -54625,6 +59173,8 @@ static int pager_playback(Pager *pPager, int isHot){ /* If there was a super-journal and this routine will return success, ** see if it is possible to delete the super-journal. */ + assert( zSuper==&pPager->pTmpSpace[4] ); + memset(pPager->pTmpSpace, 0, 4); rc = pager_delsuper(pPager, zSuper); testcase( rc!=SQLITE_OK ); } @@ -54719,6 +59269,7 @@ static int readDbPage(PgHdr *pPg){ */ static void pager_write_changecounter(PgHdr *pPg){ u32 change_counter; + if( NEVER(pPg==0) ) return; /* Increment the value just read and write it back to byte 24. */ change_counter = sqlite3Get4byte((u8*)pPg->pPager->dbFileVers)+1; @@ -54824,7 +59375,7 @@ static int pagerWalFrames( assert( pPager->pWal ); assert( pList ); #ifdef SQLITE_DEBUG - /* Verify that the page list is in accending order */ + /* Verify that the page list is in ascending order */ for(p=pList; p && p->pDirty; p=p->pDirty){ assert( p->pgno < p->pDirty->pgno ); } @@ -54955,7 +59506,7 @@ static int pagerPagecount(Pager *pPager, Pgno *pnPage){ #ifndef SQLITE_OMIT_WAL /* ** Check if the *-wal file that corresponds to the database opened by pPager -** exists if the database is not empy, or verify that the *-wal file does +** exists if the database is not empty, or verify that the *-wal file does ** not exist (by deleting it) if the database file is empty. ** ** If the database is not empty and the *-wal file exists, open the pager @@ -55244,7 +59795,6 @@ SQLITE_PRIVATE void sqlite3PagerShrink(Pager *pPager){ ** Numeric values associated with these states are OFF==1, NORMAL=2, ** and FULL=3. */ -#ifndef SQLITE_OMIT_PAGER_PRAGMAS SQLITE_PRIVATE void sqlite3PagerSetFlags( Pager *pPager, /* The pager to set safety level for */ unsigned pgFlags /* Various flags */ @@ -55279,7 +59829,6 @@ SQLITE_PRIVATE void sqlite3PagerSetFlags( pPager->doNotSpill |= SPILLFLAG_OFF; } } -#endif /* ** The following global variable is incremented whenever the library @@ -55433,6 +59982,7 @@ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u32 *pPageSize, int nR pPager->pTmpSpace = pNew; pPager->dbSize = (Pgno)((nByte+pageSize-1)/pageSize); pPager->pageSize = pageSize; + pPager->lckPgno = (Pgno)(PENDING_BYTE/pageSize) + 1; }else{ sqlite3PageFree(pNew); } @@ -55593,8 +60143,7 @@ static int pager_wait_on_lock(Pager *pPager, int locktype){ ** current database image, in pages, OR ** ** b) if the page content were written at this time, it would not -** be necessary to write the current content out to the sub-journal -** (as determined by function subjRequiresPage()). +** be necessary to write the current content out to the sub-journal. ** ** If the condition asserted by this function were not true, and the ** dirty page were to be discarded from the cache via the pagerStress() @@ -55609,8 +60158,16 @@ static int pager_wait_on_lock(Pager *pPager, int locktype){ */ #if defined(SQLITE_DEBUG) static void assertTruncateConstraintCb(PgHdr *pPg){ + Pager *pPager = pPg->pPager; assert( pPg->flags&PGHDR_DIRTY ); - assert( !subjRequiresPage(pPg) || pPg->pgno<=pPg->pPager->dbSize ); + if( pPg->pgno>pPager->dbSize ){ /* if (a) is false */ + Pgno pgno = pPg->pgno; + int i; + for(i=0; ipPager->nSavepoint; i++){ + PagerSavepoint *p = &pPager->aSavepoint[i]; + assert( p->nOrigpInSavepoint,pgno) ); + } + } } static void assertTruncateConstraint(Pager *pPager){ sqlite3PcacheIterateDirty(pPager->pPCache, assertTruncateConstraintCb); @@ -55631,7 +60188,7 @@ static void assertTruncateConstraint(Pager *pPager){ ** then continue writing to the database. */ SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager *pPager, Pgno nPage){ - assert( pPager->dbSize>=nPage ); + assert( pPager->dbSize>=nPage || CORRUPT_DB ); assert( pPager->eState>=PAGER_WRITER_CACHEMOD ); pPager->dbSize = nPage; @@ -56359,11 +60916,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int rc = SQLITE_OK; /* Return code */ int tempFile = 0; /* True for temp files (incl. in-memory files) */ int memDb = 0; /* True if this is an in-memory file */ -#ifdef SQLITE_ENABLE_DESERIALIZE int memJM = 0; /* Memory journal mode */ -#else -# define memJM 0 -#endif int readOnly = 0; /* True if this is a read-only file */ int journalFileSize; /* Bytes to allocate for each journal fd */ char *zPathname = 0; /* Full path to database file */ @@ -56373,7 +60926,6 @@ SQLITE_PRIVATE int sqlite3PagerOpen( u32 szPageDflt = SQLITE_DEFAULT_PAGE_SIZE; /* Default page size */ const char *zUri = 0; /* URI args to copy */ int nUriByte = 1; /* Number of bytes of URI args at *zUri */ - int nUri = 0; /* Number of URI parameters */ /* Figure out how much space is required for each journal file-handle ** (there are two of them, the main journal and the sub-journal). */ @@ -56421,7 +60973,6 @@ SQLITE_PRIVATE int sqlite3PagerOpen( while( *z ){ z += strlen(z)+1; z += strlen(z)+1; - nUri++; } nUriByte = (int)(&z[1] - zUri); assert( nUriByte>=1 ); @@ -56484,12 +61035,13 @@ SQLITE_PRIVATE int sqlite3PagerOpen( ** specific formatting and order of the various filenames, so if the format ** changes here, be sure to change it there as well. */ + assert( SQLITE_PTRSIZE==sizeof(Pager*) ); pPtr = (u8 *)sqlite3MallocZero( ROUND8(sizeof(*pPager)) + /* Pager structure */ ROUND8(pcacheSize) + /* PCache object */ ROUND8(pVfs->szOsFile) + /* The main db file */ journalFileSize * 2 + /* The two journal files */ - sizeof(pPager) + /* Space to hold a pointer */ + SQLITE_PTRSIZE + /* Space to hold a pointer */ 4 + /* Database prefix */ nPathname + 1 + /* database filename */ nUriByte + /* query parameters */ @@ -56510,7 +61062,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->sjfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; pPager->jfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) ); - memcpy(pPtr, &pPager, sizeof(pPager)); pPtr += sizeof(pPager); + memcpy(pPtr, &pPager, SQLITE_PTRSIZE); pPtr += SQLITE_PTRSIZE; /* Fill in the Pager.zFilename and pPager.zQueryParam fields */ pPtr += 4; /* Skip zero prefix */ @@ -56552,6 +61104,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->zWal = 0; } #endif + (void)pPtr; /* Suppress warning about unused pPtr value */ if( nPathname ) sqlite3DbFree(0, zPathname); pPager->pVfs = pVfs; @@ -56563,9 +61116,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int fout = 0; /* VFS flags returned by xOpen() */ rc = sqlite3OsOpen(pVfs, pPager->zFilename, pPager->fd, vfsFlags, &fout); assert( !memDb ); -#ifdef SQLITE_ENABLE_DESERIALIZE - memJM = (fout&SQLITE_OPEN_MEMORY)!=0; -#endif + pPager->memVfs = memJM = (fout&SQLITE_OPEN_MEMORY)!=0; readOnly = (fout&SQLITE_OPEN_READONLY)!=0; /* If the file was successfully opened for read/write access, @@ -56676,18 +61227,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->memDb = (u8)memDb; pPager->readOnly = (u8)readOnly; assert( useJournal || pPager->tempFile ); - pPager->noSync = pPager->tempFile; - if( pPager->noSync ){ - assert( pPager->fullSync==0 ); - assert( pPager->extraSync==0 ); - assert( pPager->syncFlags==0 ); - assert( pPager->walSyncFlags==0 ); - }else{ - pPager->fullSync = 1; - pPager->extraSync = 0; - pPager->syncFlags = SQLITE_SYNC_NORMAL; - pPager->walSyncFlags = SQLITE_SYNC_NORMAL | (SQLITE_SYNC_NORMAL<<2); - } + sqlite3PagerSetFlags(pPager, (SQLITE_DEFAULT_SYNCHRONOUS+1)|PAGER_CACHESPILL); /* pPager->pFirst = 0; */ /* pPager->pFirstSynced = 0; */ /* pPager->pLast = 0; */ @@ -56713,7 +61253,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( /* ** Return the sqlite3_file for the main database given the name -** of the corresonding WAL or Journal name as passed into +** of the corresponding WAL or Journal name as passed into ** xOpen. */ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char *zName){ @@ -56949,7 +61489,7 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** may mean that the pager was in the error-state when this ** function was called and the journal file does not exist. */ - if( !isOpen(pPager->jfd) ){ + if( !isOpen(pPager->jfd) && pPager->journalMode!=PAGER_JOURNALMODE_OFF ){ sqlite3_vfs * const pVfs = pPager->pVfs; int bExists; /* True if journal file exists */ rc = sqlite3OsAccess( @@ -57194,7 +61734,7 @@ static int getPageNormal( if( pPg->pPager && !noContent ){ /* In this case the pcache already contains an initialized copy of ** the page. Return without further ado. */ - assert( pgno!=PAGER_MJ_PGNO(pPager) ); + assert( pgno!=PAGER_SJ_PGNO(pPager) ); pPager->aStat[PAGER_STAT_HIT]++; return SQLITE_OK; @@ -57205,7 +61745,7 @@ static int getPageNormal( ** (*) obsolete. Was: maximum page number is 2^31 ** (2) Never try to fetch the locking page */ - if( pgno==PAGER_MJ_PGNO(pPager) ){ + if( pgno==PAGER_SJ_PGNO(pPager) ){ rc = SQLITE_CORRUPT_BKPT; goto pager_acquire_err; } @@ -57216,6 +61756,10 @@ static int getPageNormal( if( !isOpen(pPager->fd) || pPager->dbSizepPager->mxPgno ){ rc = SQLITE_FULL; + if( pgno<=pPager->dbSize ){ + sqlite3PcacheRelease(pPg); + pPg = 0; + } goto pager_acquire_err; } if( noContent ){ @@ -57351,6 +61895,7 @@ SQLITE_PRIVATE int sqlite3PagerGet( DbPage **ppPage, /* Write a pointer to the page here */ int flags /* PAGER_GET_XXX flags */ ){ + /* printf("PAGE %u\n", pgno); fflush(stdout); */ return pPager->xGet(pPager, pgno, ppPage, flags); } @@ -57379,10 +61924,12 @@ SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno){ /* ** Release a page reference. ** -** The sqlite3PagerUnref() and sqlite3PagerUnrefNotNull() may only be -** used if we know that the page being released is not the last page. +** The sqlite3PagerUnref() and sqlite3PagerUnrefNotNull() may only be used +** if we know that the page being released is not the last reference to page1. ** The btree layer always holds page1 open until the end, so these first -** to routines can be used to release any page other than BtShared.pPage1. +** two routines can be used to release any page other than BtShared.pPage1. +** The assert() at tag-20230419-2 proves that this constraint is always +** honored. ** ** Use sqlite3PagerUnrefPageOne() to release page1. This latter routine ** checks the total number of outstanding pages and if the number of @@ -57398,7 +61945,7 @@ SQLITE_PRIVATE void sqlite3PagerUnrefNotNull(DbPage *pPg){ sqlite3PcacheRelease(pPg); } /* Do not use this routine to release the last reference to page1 */ - assert( sqlite3PcacheRefCount(pPager->pPCache)>0 ); + assert( sqlite3PcacheRefCount(pPager->pPCache)>0 ); /* tag-20230419-2 */ } SQLITE_PRIVATE void sqlite3PagerUnref(DbPage *pPg){ if( pPg ) sqlite3PagerUnrefNotNull(pPg); @@ -57464,6 +62011,7 @@ static int pager_open_journal(Pager *pPager){ if( pPager->tempFile ){ flags |= (SQLITE_OPEN_DELETEONCLOSE|SQLITE_OPEN_TEMP_JOURNAL); + flags |= SQLITE_OPEN_EXCLUSIVE; nSpill = sqlite3Config.nStmtSpill; }else{ flags |= SQLITE_OPEN_MAIN_JOURNAL; @@ -57499,6 +62047,7 @@ static int pager_open_journal(Pager *pPager){ if( rc!=SQLITE_OK ){ sqlite3BitvecDestroy(pPager->pInJournal); pPager->pInJournal = 0; + pPager->journalOff = 0; }else{ assert( pPager->eState==PAGER_WRITER_LOCKED ); pPager->eState = PAGER_WRITER_CACHEMOD; @@ -57531,7 +62080,7 @@ SQLITE_PRIVATE int sqlite3PagerBegin(Pager *pPager, int exFlag, int subjInMemory assert( pPager->eState>=PAGER_READER && pPager->eStatesubjInMemory = (u8)subjInMemory; - if( ALWAYS(pPager->eState==PAGER_READER) ){ + if( pPager->eState==PAGER_READER ){ assert( pPager->pInJournal==0 ); if( pagerUseWal(pPager) ){ @@ -57603,7 +62152,7 @@ static SQLITE_NOINLINE int pagerAddPageToRollbackJournal(PgHdr *pPg){ /* We should never write to the journal file the page that ** contains the database locks. The following assert verifies ** that we do not. */ - assert( pPg->pgno!=PAGER_MJ_PGNO(pPager) ); + assert( pPg->pgno!=PAGER_SJ_PGNO(pPager) ); assert( pPager->journalHdr<=pPager->journalOff ); pData2 = pPg->pData; @@ -57782,7 +62331,7 @@ static SQLITE_NOINLINE int pagerWriteLargeSector(PgHdr *pPg){ Pgno pg = pg1+ii; PgHdr *pPage; if( pg==pPg->pgno || !sqlite3BitvecTest(pPager->pInJournal, pg) ){ - if( pg!=PAGER_MJ_PGNO(pPager) ){ + if( pg!=PAGER_SJ_PGNO(pPager) ){ rc = sqlite3PagerGet(pPager, pg, &pPage, 0); if( rc==SQLITE_OK ){ rc = pager_write(pPage); @@ -57945,7 +62494,7 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ # define DIRECT_MODE isDirectMode #endif - if( !pPager->changeCountDone && ALWAYS(pPager->dbSize>0) ){ + if( !pPager->changeCountDone && pPager->dbSize>0 ){ PgHdr *pPgHdr; /* Reference to page 1 */ assert( !pPager->tempFile && isOpen(pPager->fd) ); @@ -58260,7 +62809,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( ** last page is never written out to disk, leaving the database file ** undersized. Fix this now if it is the case. */ if( pPager->dbSize>pPager->dbFileSize ){ - Pgno nNew = pPager->dbSize - (pPager->dbSize==PAGER_MJ_PGNO(pPager)); + Pgno nNew = pPager->dbSize - (pPager->dbSize==PAGER_SJ_PGNO(pPager)); assert( pPager->eState==PAGER_WRITER_DBMOD ); rc = pager_truncate(pPager, nNew); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; @@ -58431,8 +62980,8 @@ SQLITE_PRIVATE int sqlite3PagerRefcount(Pager *pPager){ ** used by the pager and its associated cache. */ SQLITE_PRIVATE int sqlite3PagerMemUsed(Pager *pPager){ - int perPageSize = pPager->pageSize + pPager->nExtra + sizeof(PgHdr) - + 5*sizeof(void*); + int perPageSize = pPager->pageSize + pPager->nExtra + + (int)(sizeof(PgHdr) + 5*sizeof(void*)); return perPageSize*sqlite3PcachePagecount(pPager->pPCache) + sqlite3MallocSize(pPager) + pPager->pageSize; @@ -58501,7 +63050,7 @@ SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *pPager, int eStat, int reset, i ** Return true if this is an in-memory or temp-file backed pager. */ SQLITE_PRIVATE int sqlite3PagerIsMemdb(Pager *pPager){ - return pPager->tempFile; + return pPager->tempFile || pPager->memVfs; } /* @@ -58547,6 +63096,7 @@ static SQLITE_NOINLINE int pagerOpenSavepoint(Pager *pPager, int nSavepoint){ } aNew[ii].iSubRec = pPager->nSubRec; aNew[ii].pInSavepoint = sqlite3BitvecCreate(pPager->dbSize); + aNew[ii].bTruncateOnRelease = 1; if( !aNew[ii].pInSavepoint ){ return SQLITE_NOMEM_BKPT; } @@ -58625,16 +63175,18 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ } pPager->nSavepoint = nNew; - /* If this is a release of the outermost savepoint, truncate - ** the sub-journal to zero bytes in size. */ + /* Truncate the sub-journal so that it only includes the parts + ** that are still in use. */ if( op==SAVEPOINT_RELEASE ){ - if( nNew==0 && isOpen(pPager->sjfd) ){ + PagerSavepoint *pRel = &pPager->aSavepoint[nNew]; + if( pRel->bTruncateOnRelease && isOpen(pPager->sjfd) ){ /* Only truncate if it is an in-memory sub-journal. */ if( sqlite3JournalIsInMemory(pPager->sjfd) ){ - rc = sqlite3OsTruncate(pPager->sjfd, 0); + i64 sz = (pPager->pageSize+4)*(i64)pRel->iSubRec; + rc = sqlite3OsTruncate(pPager->sjfd, sz); assert( rc==SQLITE_OK ); } - pPager->nSubRec = 0; + pPager->nSubRec = pRel->iSubRec; } } /* Else this is a rollback operation, playback the specified savepoint. @@ -58682,7 +63234,11 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ */ SQLITE_PRIVATE const char *sqlite3PagerFilename(const Pager *pPager, int nullIfMemDb){ static const char zFake[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; - return (nullIfMemDb && pPager->memDb) ? &zFake[4] : pPager->zFilename; + if( nullIfMemDb && (pPager->memDb || sqlite3IsMemdb(pPager->pVfs)) ){ + return &zFake[4]; + }else{ + return pPager->zFilename; + } } /* @@ -58818,7 +63374,7 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i pPgOld = sqlite3PagerLookup(pPager, pgno); assert( !pPgOld || pPgOld->nRef==1 || CORRUPT_DB ); if( pPgOld ){ - if( pPgOld->nRef>1 ){ + if( NEVER(pPgOld->nRef>1) ){ sqlite3PagerUnrefNotNull(pPgOld); return SQLITE_CORRUPT_BKPT; } @@ -58953,12 +63509,12 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ u8 eOld = pPager->journalMode; /* Prior journalmode */ /* The eMode parameter is always valid */ - assert( eMode==PAGER_JOURNALMODE_DELETE - || eMode==PAGER_JOURNALMODE_TRUNCATE - || eMode==PAGER_JOURNALMODE_PERSIST - || eMode==PAGER_JOURNALMODE_OFF - || eMode==PAGER_JOURNALMODE_WAL - || eMode==PAGER_JOURNALMODE_MEMORY ); + assert( eMode==PAGER_JOURNALMODE_DELETE /* 0 */ + || eMode==PAGER_JOURNALMODE_PERSIST /* 1 */ + || eMode==PAGER_JOURNALMODE_OFF /* 2 */ + || eMode==PAGER_JOURNALMODE_TRUNCATE /* 3 */ + || eMode==PAGER_JOURNALMODE_MEMORY /* 4 */ + || eMode==PAGER_JOURNALMODE_WAL /* 5 */ ); /* This routine is only called from the OP_JournalMode opcode, and ** the logic there will never allow a temporary file to be changed @@ -58982,7 +63538,7 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ assert( pPager->eState!=PAGER_ERROR ); pPager->journalMode = (u8)eMode; - /* When transistioning from TRUNCATE or PERSIST to any other journal + /* When transitioning from TRUNCATE or PERSIST to any other journal ** mode except WAL, unless the pager is in locking_mode=exclusive mode, ** delete the journal file. */ @@ -58995,7 +63551,6 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ assert( isOpen(pPager->fd) || pPager->exclusiveMode ); if( !pPager->exclusiveMode && (eOld & 5)==1 && (eMode & 1)==0 ){ - /* In this case we would like to delete the journal file. If it is ** not possible, then that is not a problem. Deleting the journal file ** here is an optimization only. @@ -59107,6 +63662,18 @@ SQLITE_PRIVATE int sqlite3PagerCheckpoint( int *pnCkpt /* OUT: Final number of checkpointed frames */ ){ int rc = SQLITE_OK; + if( pPager->pWal==0 && pPager->journalMode==PAGER_JOURNALMODE_WAL ){ + /* This only happens when a database file is zero bytes in size opened and + ** then "PRAGMA journal_mode=WAL" is run and then sqlite3_wal_checkpoint() + ** is invoked without any intervening transactions. We need to start + ** a transaction to initialize pWal. The PRAGMA table_list statement is + ** used for this since it starts transactions on every database file, + ** including all ATTACHed databases. This seems expensive for a single + ** sqlite3_wal_checkpoint() call, but it happens very rarely. + ** https://sqlite.org/forum/forumpost/fd0f19d229156939 + */ + sqlite3_exec(db, "PRAGMA table_list",0,0,0); + } if( pPager->pWal ){ rc = sqlite3WalCheckpoint(pPager->pWal, db, eMode, (eMode==SQLITE_CHECKPOINT_PASSIVE ? 0 : pPager->xBusyHandler), @@ -59138,13 +63705,15 @@ SQLITE_PRIVATE int sqlite3PagerWalSupported(Pager *pPager){ */ static int pagerExclusiveLock(Pager *pPager){ int rc; /* Return code */ + u8 eOrigLock; /* Original lock */ - assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK ); + assert( pPager->eLock>=SHARED_LOCK ); + eOrigLock = pPager->eLock; rc = pagerLockDb(pPager, EXCLUSIVE_LOCK); if( rc!=SQLITE_OK ){ /* If the attempt to grab the exclusive lock failed, release the ** pending lock that may have been obtained instead. */ - pagerUnlockDb(pPager, SHARED_LOCK); + pagerUnlockDb(pPager, eOrigLock); } return rc; @@ -59397,6 +63966,12 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ } #endif +#ifdef SQLITE_USE_SEH +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager *pPager){ + return sqlite3WalSystemErrno(pPager->pWal); +} +#endif + #endif /* SQLITE_OMIT_DISKIO */ /************** End of pager.c ***********************************************/ @@ -59564,7 +64139,10 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** HASHTABLE_NPAGE_ONE frames. The values of HASHTABLE_NPAGE_ONE and ** HASHTABLE_NPAGE are selected so that together the wal-index header and ** first index block are the same size as all other index blocks in the -** wal-index. +** wal-index. The values are: +** +** HASHTABLE_NPAGE 4096 +** HASHTABLE_NPAGE_ONE 4062 ** ** Each index block contains two sections, a page-mapping that contains the ** database page number associated with each wal frame, and a hash-table @@ -59684,7 +64262,7 @@ SQLITE_PRIVATE int sqlite3WalTrace = 0; ** ** Technically, the various VFSes are free to implement these locks however ** they see fit. However, compatibility is encouraged so that VFSes can -** interoperate. The standard implemention used on both unix and windows +** interoperate. The standard implementation used on both unix and windows ** is for the index number to indicate a byte offset into the ** WalCkptInfo.aLock[] array in the wal-index header. In other words, all ** locks are on the shm file. The WALINDEX_LOCK_OFFSET constant (which @@ -59760,7 +64338,7 @@ struct WalIndexHdr { ** the mxFrame for that reader. The value READMARK_NOT_USED (0xffffffff) ** for any aReadMark[] means that entry is unused. aReadMark[0] is ** a special case; its value is never used and it exists as a place-holder -** to avoid having to offset aReadMark[] indexs by one. Readers holding +** to avoid having to offset aReadMark[] indexes by one. Readers holding ** WAL_READ_LOCK(0) always ignore the entire WAL and read all content ** directly from the database. ** @@ -59800,6 +64378,70 @@ struct WalCkptInfo { }; #define READMARK_NOT_USED 0xffffffff +/* +** This is a schematic view of the complete 136-byte header of the +** wal-index file (also known as the -shm file): +** +** +-----------------------------+ +** 0: | iVersion | \ +** +-----------------------------+ | +** 4: | (unused padding) | | +** +-----------------------------+ | +** 8: | iChange | | +** +-------+-------+-------------+ | +** 12: | bInit | bBig | szPage | | +** +-------+-------+-------------+ | +** 16: | mxFrame | | First copy of the +** +-----------------------------+ | WalIndexHdr object +** 20: | nPage | | +** +-----------------------------+ | +** 24: | aFrameCksum | | +** | | | +** +-----------------------------+ | +** 32: | aSalt | | +** | | | +** +-----------------------------+ | +** 40: | aCksum | | +** | | / +** +-----------------------------+ +** 48: | iVersion | \ +** +-----------------------------+ | +** 52: | (unused padding) | | +** +-----------------------------+ | +** 56: | iChange | | +** +-------+-------+-------------+ | +** 60: | bInit | bBig | szPage | | +** +-------+-------+-------------+ | Second copy of the +** 64: | mxFrame | | WalIndexHdr +** +-----------------------------+ | +** 68: | nPage | | +** +-----------------------------+ | +** 72: | aFrameCksum | | +** | | | +** +-----------------------------+ | +** 80: | aSalt | | +** | | | +** +-----------------------------+ | +** 88: | aCksum | | +** | | / +** +-----------------------------+ +** 96: | nBackfill | +** +-----------------------------+ +** 100: | 5 read marks | +** | | +** | | +** | | +** | | +** +-------+-------+------+------+ +** 120: | Write | Ckpt | Rcvr | Rd0 | \ +** +-------+-------+------+------+ ) 8 lock bytes +** | Read1 | Read2 | Rd3 | Rd4 | / +** +-------+-------+------+------+ +** 128: | nBackfillAttempted | +** +-----------------------------+ +** 132: | (unused padding) | +** +-----------------------------+ +*/ /* A block of WALINDEX_LOCK_RESERVED bytes beginning at ** WALINDEX_LOCK_OFFSET is reserved for locks. Since some systems @@ -59864,7 +64506,15 @@ struct Wal { u32 iReCksum; /* On commit, recalculate checksums from here */ const char *zWalName; /* Name of WAL file */ u32 nCkpt; /* Checkpoint sequence counter in the wal-header */ +#ifdef SQLITE_USE_SEH + u32 lockMask; /* Mask of locks held */ + void *pFree; /* Pointer to sqlite3_free() if exception thrown */ + u32 *pWiValue; /* Value to write into apWiData[iWiPg] */ + int iWiPg; /* Write pWiValue into apWiData[iWiPg] */ + int iSysErrno; /* System error code following exception */ +#endif #ifdef SQLITE_DEBUG + int nSehTry; /* Number of nested SEH_TRY{} blocks */ u8 lockError; /* True if a locking error has occurred */ #endif #ifdef SQLITE_ENABLE_SNAPSHOT @@ -59946,6 +64596,113 @@ struct WalIterator { sizeof(ht_slot)*HASHTABLE_NSLOT + HASHTABLE_NPAGE*sizeof(u32) \ ) +/* +** Structured Exception Handling (SEH) is a Windows-specific technique +** for catching exceptions raised while accessing memory-mapped files. +** +** The -DSQLITE_USE_SEH compile-time option means to use SEH to catch and +** deal with system-level errors that arise during WAL -shm file processing. +** Without this compile-time option, any system-level faults that appear +** while accessing the memory-mapped -shm file will cause a process-wide +** signal to be deliver, which will more than likely cause the entire +** process to exit. +*/ +#ifdef SQLITE_USE_SEH +#include + +/* Beginning of a block of code in which an exception might occur */ +# define SEH_TRY __try { \ + assert( walAssertLockmask(pWal) && pWal->nSehTry==0 ); \ + VVA_ONLY(pWal->nSehTry++); + +/* The end of a block of code in which an exception might occur */ +# define SEH_EXCEPT(X) \ + VVA_ONLY(pWal->nSehTry--); \ + assert( pWal->nSehTry==0 ); \ + } __except( sehExceptionFilter(pWal, GetExceptionCode(), GetExceptionInformation() ) ){ X } + +/* Simulate a memory-mapping fault in the -shm file for testing purposes */ +# define SEH_INJECT_FAULT sehInjectFault(pWal) + +/* +** The second argument is the return value of GetExceptionCode() for the +** current exception. Return EXCEPTION_EXECUTE_HANDLER if the exception code +** indicates that the exception may have been caused by accessing the *-shm +** file mapping. Or EXCEPTION_CONTINUE_SEARCH otherwise. +*/ +static int sehExceptionFilter(Wal *pWal, int eCode, EXCEPTION_POINTERS *p){ + VVA_ONLY(pWal->nSehTry--); + if( eCode==EXCEPTION_IN_PAGE_ERROR ){ + if( p && p->ExceptionRecord && p->ExceptionRecord->NumberParameters>=3 ){ + /* From MSDN: For this type of exception, the first element of the + ** ExceptionInformation[] array is a read-write flag - 0 if the exception + ** was thrown while reading, 1 if while writing. The second element is + ** the virtual address being accessed. The "third array element specifies + ** the underlying NTSTATUS code that resulted in the exception". */ + pWal->iSysErrno = (int)p->ExceptionRecord->ExceptionInformation[2]; + } + return EXCEPTION_EXECUTE_HANDLER; + } + return EXCEPTION_CONTINUE_SEARCH; +} + +/* +** If one is configured, invoke the xTestCallback callback with 650 as +** the argument. If it returns true, throw the same exception that is +** thrown by the system if the *-shm file mapping is accessed after it +** has been invalidated. +*/ +static void sehInjectFault(Wal *pWal){ + int res; + assert( pWal->nSehTry>0 ); + + res = sqlite3FaultSim(650); + if( res!=0 ){ + ULONG_PTR aArg[3]; + aArg[0] = 0; + aArg[1] = 0; + aArg[2] = (ULONG_PTR)res; + RaiseException(EXCEPTION_IN_PAGE_ERROR, 0, 3, (const ULONG_PTR*)aArg); + } +} + +/* +** There are two ways to use this macro. To set a pointer to be freed +** if an exception is thrown: +** +** SEH_FREE_ON_ERROR(0, pPtr); +** +** and to cancel the same: +** +** SEH_FREE_ON_ERROR(pPtr, 0); +** +** In the first case, there must not already be a pointer registered to +** be freed. In the second case, pPtr must be the registered pointer. +*/ +#define SEH_FREE_ON_ERROR(X,Y) \ + assert( (X==0 || Y==0) && pWal->pFree==X ); pWal->pFree = Y + +/* +** There are two ways to use this macro. To arrange for pWal->apWiData[iPg] +** to be set to pValue if an exception is thrown: +** +** SEH_SET_ON_ERROR(iPg, pValue); +** +** and to cancel the same: +** +** SEH_SET_ON_ERROR(0, 0); +*/ +#define SEH_SET_ON_ERROR(X,Y) pWal->iWiPg = X; pWal->pWiValue = Y + +#else +# define SEH_TRY VVA_ONLY(pWal->nSehTry++); +# define SEH_EXCEPT(X) VVA_ONLY(pWal->nSehTry--); assert( pWal->nSehTry==0 ); +# define SEH_INJECT_FAULT assert( pWal->nSehTry>0 ); +# define SEH_FREE_ON_ERROR(X,Y) +# define SEH_SET_ON_ERROR(X,Y) +#endif /* ifdef SQLITE_USE_SEH */ + + /* ** Obtain a pointer to the iPage'th page of the wal-index. The wal-index ** is broken into pages of WALINDEX_PGSZ bytes. Wal-index pages are @@ -59956,9 +64713,13 @@ struct WalIterator { ** so. It is safe to enlarge the wal-index if pWal->writeLock is true ** or pWal->exclusiveMode==WAL_HEAPMEMORY_MODE. ** -** If this call is successful, *ppPage is set to point to the wal-index -** page and SQLITE_OK is returned. If an error (an OOM or VFS error) occurs, -** then an SQLite error code is returned and *ppPage is set to 0. +** Three possible result scenarios: +** +** (1) rc==SQLITE_OK and *ppPage==Requested-Wal-Index-Page +** (2) rc>=SQLITE_ERROR and *ppPage==NULL +** (3) rc==SQLITE_OK and *ppPage==NULL // only if iPage==0 +** +** Scenario (3) can only occur when pWal->writeLock is false and iPage==0 */ static SQLITE_NOINLINE int walIndexPageRealloc( Wal *pWal, /* The WAL context */ @@ -59991,7 +64752,9 @@ static SQLITE_NOINLINE int walIndexPageRealloc( rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ, pWal->writeLock, (void volatile **)&pWal->apWiData[iPage] ); - assert( pWal->apWiData[iPage]!=0 || rc!=SQLITE_OK || pWal->writeLock==0 ); + assert( pWal->apWiData[iPage]!=0 + || rc!=SQLITE_OK + || (pWal->writeLock==0 && iPage==0) ); testcase( pWal->apWiData[iPage]==0 && rc==SQLITE_OK ); if( rc==SQLITE_OK ){ if( iPage>0 && sqlite3FaultSim(600) ) rc = SQLITE_NOMEM; @@ -60012,6 +64775,7 @@ static int walIndexPage( int iPage, /* The page we seek */ volatile u32 **ppPage /* Write the page pointer here */ ){ + SEH_INJECT_FAULT; if( pWal->nWiData<=iPage || (*ppPage = pWal->apWiData[iPage])==0 ){ return walIndexPageRealloc(pWal, iPage, ppPage); } @@ -60023,6 +64787,7 @@ static int walIndexPage( */ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalCkptInfo*)&(pWal->apWiData[0][sizeof(WalIndexHdr)/2]); } @@ -60031,6 +64796,7 @@ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ */ static volatile WalIndexHdr *walIndexHdr(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalIndexHdr*)pWal->apWiData[0]; } @@ -60076,19 +64842,40 @@ static void walChecksumBytes( assert( nByte>=8 ); assert( (nByte&0x00000007)==0 ); assert( nByte<=65536 ); + assert( nByte%4==0 ); - if( nativeCksum ){ + if( !nativeCksum ){ + do { + s1 += BYTESWAP32(aData[0]) + s2; + s2 += BYTESWAP32(aData[1]) + s1; + aData += 2; + }while( aDatalockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ) pWal->lockMask |= (1 << lockIdx); +#endif return rc; } static void walUnlockShared(Wal *pWal, int lockIdx){ if( pWal->exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, 1, SQLITE_SHM_UNLOCK | SQLITE_SHM_SHARED); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(1 << lockIdx); +#endif WALTRACE(("WAL%p: release SHARED-%s\n", pWal, walLockName(lockIdx))); } static int walLockExclusive(Wal *pWal, int lockIdx, int n){ @@ -60283,12 +65076,20 @@ static int walLockExclusive(Wal *pWal, int lockIdx, int n){ WALTRACE(("WAL%p: acquire EXCLUSIVE-%s cnt=%d %s\n", pWal, walLockName(lockIdx), n, rc ? "failed" : "ok")); VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ){ + pWal->lockMask |= (((1<exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, n, SQLITE_SHM_UNLOCK | SQLITE_SHM_EXCLUSIVE); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(((1<iZero+N) in the log. ** -** Finally, set pLoc->aPgno so that pLoc->aPgno[1] is the page number of the -** first frame indexed by the hash table, frame (pLoc->iZero+1). +** Finally, set pLoc->aPgno so that pLoc->aPgno[0] is the page number of the +** first frame indexed by the hash table, frame (pLoc->iZero). */ static int walHashGet( Wal *pWal, /* WAL handle */ @@ -60343,7 +65144,7 @@ static int walHashGet( rc = walIndexPage(pWal, iHash, &pLoc->aPgno); assert( rc==SQLITE_OK || iHash>0 ); - if( rc==SQLITE_OK ){ + if( pLoc->aPgno ){ pLoc->aHash = (volatile ht_slot *)&pLoc->aPgno[HASHTABLE_NPAGE]; if( iHash==0 ){ pLoc->aPgno = &pLoc->aPgno[WALINDEX_HDR_SIZE/sizeof(u32)]; @@ -60351,7 +65152,8 @@ static int walHashGet( }else{ pLoc->iZero = HASHTABLE_NPAGE_ONE + (iHash-1)*HASHTABLE_NPAGE; } - pLoc->aPgno = &pLoc->aPgno[-1]; + }else if( NEVER(rc==SQLITE_OK) ){ + rc = SQLITE_ERROR; } return rc; } @@ -60379,6 +65181,7 @@ static int walFramePage(u32 iFrame){ */ static u32 walFramePgno(Wal *pWal, u32 iFrame){ int iHash = walFramePage(iFrame); + SEH_INJECT_FAULT; if( iHash==0 ){ return pWal->apWiData[0][WALINDEX_HDR_SIZE/sizeof(u32) + iFrame - 1]; } @@ -60402,7 +65205,6 @@ static void walCleanupHash(Wal *pWal){ int iLimit = 0; /* Zero values greater than this */ int nByte; /* Number of bytes to zero in aPgno[] */ int i; /* Used to iterate through aHash[] */ - int rc; /* Return code form walHashGet() */ assert( pWal->writeLock ); testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE-1 ); @@ -60417,8 +65219,8 @@ static void walCleanupHash(Wal *pWal){ */ assert( pWal->nWiData>walFramePage(pWal->hdr.mxFrame) ); assert( pWal->apWiData[walFramePage(pWal->hdr.mxFrame)] ); - rc = walHashGet(pWal, walFramePage(pWal->hdr.mxFrame), &sLoc); - if( NEVER(rc) ) return; /* Defense-in-depth, in case (1) above is wrong */ + i = walHashGet(pWal, walFramePage(pWal->hdr.mxFrame), &sLoc); + if( NEVER(i) ) return; /* Defense-in-depth, in case (1) above is wrong */ /* Zero all hash-table entries that correspond to frame numbers greater ** than pWal->hdr.mxFrame. @@ -60434,8 +65236,9 @@ static void walCleanupHash(Wal *pWal){ /* Zero the entries in the aPgno array that correspond to frames with ** frame numbers greater than pWal->hdr.mxFrame. */ - nByte = (int)((char *)sLoc.aHash - (char *)&sLoc.aPgno[iLimit+1]); - memset((void *)&sLoc.aPgno[iLimit+1], 0, nByte); + nByte = (int)((char *)sLoc.aHash - (char *)&sLoc.aPgno[iLimit]); + assert( nByte>=0 ); + memset((void *)&sLoc.aPgno[iLimit], 0, nByte); #ifdef SQLITE_ENABLE_EXPENSIVE_ASSERT /* Verify that the every entry in the mapping region is still reachable @@ -60444,11 +65247,11 @@ static void walCleanupHash(Wal *pWal){ if( iLimit ){ int j; /* Loop counter */ int iKey; /* Hash key */ - for(j=1; j<=iLimit; j++){ + for(j=0; j=0 ); + memset((void*)sLoc.aPgno, 0, nByte); } /* If the entry in aPgno[] is already set, then the previous writer @@ -60491,9 +65294,9 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ ** Remove the remnants of that writers uncommitted transaction from ** the hash-table before writing any new entries. */ - if( sLoc.aPgno[idx] ){ + if( sLoc.aPgno[idx-1] ){ walCleanupHash(pWal); - assert( !sLoc.aPgno[idx] ); + assert( !sLoc.aPgno[idx-1] ); } /* Write the aPgno[] array entry and the hash-table slot. */ @@ -60501,7 +65304,7 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ for(iKey=walHash(iPage); sLoc.aHash[iKey]; iKey=walNextHash(iKey)){ if( (nCollide--)==0 ) return SQLITE_CORRUPT_BKPT; } - sLoc.aPgno[idx] = iPage; + sLoc.aPgno[idx-1] = iPage; AtomicStore(&sLoc.aHash[iKey], (ht_slot)idx); #ifdef SQLITE_ENABLE_EXPENSIVE_ASSERT @@ -60522,19 +65325,18 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ */ if( (idx&0x3ff)==0 ){ int i; /* Loop counter */ - for(i=1; i<=idx; i++){ + for(i=0; iapWiData[iPg] = aPrivate; for(iFrame=iFirst; iFrame<=iLast; iFrame++){ @@ -60683,6 +65488,7 @@ static int walIndexRecover(Wal *pWal){ } } pWal->apWiData[iPg] = aShare; + SEH_SET_ON_ERROR(0,0); nHdr = (iPg==0 ? WALINDEX_HDR_SIZE : 0); nHdr32 = nHdr / sizeof(u32); #ifndef SQLITE_SAFER_WALINDEX_RECOVERY @@ -60713,9 +65519,11 @@ static int walIndexRecover(Wal *pWal){ } } #endif + SEH_INJECT_FAULT; if( iFrame<=iLast ) break; } + SEH_FREE_ON_ERROR(aFrame, 0); sqlite3_free(aFrame); } @@ -60743,6 +65551,7 @@ static int walIndexRecover(Wal *pWal){ }else{ pInfo->aReadMark[i] = READMARK_NOT_USED; } + SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc!=SQLITE_BUSY ){ goto recovery_error; @@ -60814,14 +65623,43 @@ SQLITE_PRIVATE int sqlite3WalOpen( assert( zWalName && zWalName[0] ); assert( pDbFd ); + /* Verify the values of various constants. Any changes to the values + ** of these constants would result in an incompatible on-disk format + ** for the -shm file. Any change that causes one of these asserts to + ** fail is a backward compatibility problem, even if the change otherwise + ** works. + ** + ** This table also serves as a helpful cross-reference when trying to + ** interpret hex dumps of the -shm file. + */ + assert( 48 == sizeof(WalIndexHdr) ); + assert( 40 == sizeof(WalCkptInfo) ); + assert( 120 == WALINDEX_LOCK_OFFSET ); + assert( 136 == WALINDEX_HDR_SIZE ); + assert( 4096 == HASHTABLE_NPAGE ); + assert( 4062 == HASHTABLE_NPAGE_ONE ); + assert( 8192 == HASHTABLE_NSLOT ); + assert( 383 == HASHTABLE_HASH_1 ); + assert( 32768 == WALINDEX_PGSZ ); + assert( 8 == SQLITE_SHM_NLOCK ); + assert( 5 == WAL_NREADER ); + assert( 24 == WAL_FRAME_HDRSIZE ); + assert( 32 == WAL_HDRSIZE ); + assert( 120 == WALINDEX_LOCK_OFFSET + WAL_WRITE_LOCK ); + assert( 121 == WALINDEX_LOCK_OFFSET + WAL_CKPT_LOCK ); + assert( 122 == WALINDEX_LOCK_OFFSET + WAL_RECOVER_LOCK ); + assert( 123 == WALINDEX_LOCK_OFFSET + WAL_READ_LOCK(0) ); + assert( 124 == WALINDEX_LOCK_OFFSET + WAL_READ_LOCK(1) ); + assert( 125 == WALINDEX_LOCK_OFFSET + WAL_READ_LOCK(2) ); + assert( 126 == WALINDEX_LOCK_OFFSET + WAL_READ_LOCK(3) ); + assert( 127 == WALINDEX_LOCK_OFFSET + WAL_READ_LOCK(4) ); + /* In the amalgamation, the os_unix.c and os_win.c source files come before ** this source file. Verify that the #defines of the locking byte offsets ** in os_unix.c and os_win.c agree with the WALINDEX_LOCK_OFFSET value. ** For that matter, if the lock offset ever changes from its initial design ** value of 120, we need to know that so there is an assert() to check it. */ - assert( 120==WALINDEX_LOCK_OFFSET ); - assert( 136==WALINDEX_HDR_SIZE ); #ifdef WIN_SHM_BASE assert( WIN_SHM_BASE==WALINDEX_LOCK_OFFSET ); #endif @@ -60871,7 +65709,7 @@ SQLITE_PRIVATE int sqlite3WalOpen( } /* -** Change the size to which the WAL file is trucated on each reset. +** Change the size to which the WAL file is truncated on each reset. */ SQLITE_PRIVATE void sqlite3WalLimit(Wal *pWal, i64 iLimit){ if( pWal ) pWal->mxWalSize = iLimit; @@ -61097,23 +65935,16 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ nByte = sizeof(WalIterator) + (nSegment-1)*sizeof(struct WalSegment) + iLast*sizeof(ht_slot); - p = (WalIterator *)sqlite3_malloc64(nByte); + p = (WalIterator *)sqlite3_malloc64(nByte + + sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) + ); if( !p ){ return SQLITE_NOMEM_BKPT; } memset(p, 0, nByte); p->nSegment = nSegment; - - /* Allocate temporary space used by the merge-sort routine. This block - ** of memory will be freed before this function returns. - */ - aTmp = (ht_slot *)sqlite3_malloc64( - sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) - ); - if( !aTmp ){ - rc = SQLITE_NOMEM_BKPT; - } - + aTmp = (ht_slot*)&(((u8*)p)[nByte]); + SEH_FREE_ON_ERROR(0, p); for(i=walFramePage(nBackfill+1); rc==SQLITE_OK && iaSegment[i].aPgno = (u32 *)sLoc.aPgno; } } - sqlite3_free(aTmp); - if( rc!=SQLITE_OK ){ + SEH_FREE_ON_ERROR(p, 0); walIteratorFree(p); p = 0; } @@ -61370,13 +66199,13 @@ static int walCheckpoint( mxSafeFrame = pWal->hdr.mxFrame; mxPage = pWal->hdr.nPage; for(i=1; iaReadMark+i); + u32 y = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxSafeFrame>y ){ assert( y<=pWal->hdr.mxFrame ); rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1); if( rc==SQLITE_OK ){ u32 iMark = (i==1 ? mxSafeFrame : READMARK_NOT_USED); - AtomicStore(pInfo->aReadMark+i, iMark); + AtomicStore(pInfo->aReadMark+i, iMark); SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc==SQLITE_BUSY ){ mxSafeFrame = y; @@ -61397,8 +66226,7 @@ static int walCheckpoint( && (rc = walBusyLock(pWal,xBusy,pBusyArg,WAL_READ_LOCK(0),1))==SQLITE_OK ){ u32 nBackfill = pInfo->nBackfill; - - pInfo->nBackfillAttempted = mxSafeFrame; + pInfo->nBackfillAttempted = mxSafeFrame; SEH_INJECT_FAULT; /* Sync the WAL to disk */ rc = sqlite3OsSync(pWal->pWalFd, CKPT_SYNC_FLAGS(sync_flags)); @@ -61429,6 +66257,7 @@ static int walCheckpoint( while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){ i64 iOffset; assert( walFramePgno(pWal, iFrame)==iDbpage ); + SEH_INJECT_FAULT; if( AtomicLoad(&db->u1.isInterrupted) ){ rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_INTERRUPT; break; @@ -61458,7 +66287,7 @@ static int walCheckpoint( } } if( rc==SQLITE_OK ){ - AtomicStore(&pInfo->nBackfill, mxSafeFrame); + AtomicStore(&pInfo->nBackfill, mxSafeFrame); SEH_INJECT_FAULT; } } @@ -61480,6 +66309,7 @@ static int walCheckpoint( */ if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){ assert( pWal->writeLock ); + SEH_INJECT_FAULT; if( pInfo->nBackfillhdr.mxFrame ){ rc = SQLITE_BUSY; }else if( eMode>=SQLITE_CHECKPOINT_RESTART ){ @@ -61511,6 +66341,7 @@ static int walCheckpoint( } walcheckpoint_out: + SEH_FREE_ON_ERROR(pIter, 0); walIteratorFree(pIter); return rc; } @@ -61533,6 +66364,93 @@ static void walLimitSize(Wal *pWal, i64 nMax){ } } +#ifdef SQLITE_USE_SEH +/* +** This is the "standard" exception handler used in a few places to handle +** an exception thrown by reading from the *-shm mapping after it has become +** invalid in SQLITE_USE_SEH builds. It is used as follows: +** +** SEH_TRY { ... } +** SEH_EXCEPT( rc = walHandleException(pWal); ) +** +** This function does three things: +** +** 1) Determines the locks that should be held, based on the contents of +** the Wal.readLock, Wal.writeLock and Wal.ckptLock variables. All other +** held locks are assumed to be transient locks that would have been +** released had the exception not been thrown and are dropped. +** +** 2) Frees the pointer at Wal.pFree, if any, using sqlite3_free(). +** +** 3) Set pWal->apWiData[pWal->iWiPg] to pWal->pWiValue if not NULL +** +** 4) Returns SQLITE_IOERR. +*/ +static int walHandleException(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<lockMask & ~( + (pWal->readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) + ); + for(ii=0; iipFree); + pWal->pFree = 0; + if( pWal->pWiValue ){ + pWal->apWiData[pWal->iWiPg] = pWal->pWiValue; + pWal->pWiValue = 0; + } + return SQLITE_IOERR_IN_PAGE; +} + +/* +** Assert that the Wal.lockMask mask, which indicates the locks held +** by the connenction, is consistent with the Wal.readLock, Wal.writeLock +** and Wal.ckptLock variables. To be used as: +** +** assert( walAssertLockmask(pWal) ); +*/ +static int walAssertLockmask(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) +#ifdef SQLITE_ENABLE_SNAPSHOT + | (pWal->pSnapshot ? (pWal->lockMask & (1 << WAL_CKPT_LOCK)) : 0) +#endif + ); + assert( mExpect==pWal->lockMask ); + } + return 1; +} + +/* +** Return and zero the "system error" field set when an +** EXCEPTION_IN_PAGE_ERROR exception is caught. +*/ +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal *pWal){ + int iRet = 0; + if( pWal ){ + iRet = pWal->iSysErrno; + pWal->iSysErrno = 0; + } + return iRet; +} + +#else +# define walAssertLockmask(x) 1 +#endif /* ifdef SQLITE_USE_SEH */ + /* ** Close a connection to a log file. */ @@ -61547,6 +66465,8 @@ SQLITE_PRIVATE int sqlite3WalClose( if( pWal ){ int isDelete = 0; /* True to unlink wal and wal-index files */ + assert( walAssertLockmask(pWal) ); + /* If an EXCLUSIVE lock can be obtained on the database file (using the ** ordinary, rollback-mode locking methods, this guarantees that the ** connection associated with this log file is the only connection to @@ -61571,7 +66491,7 @@ SQLITE_PRIVATE int sqlite3WalClose( ); if( bPersist!=1 ){ /* Try to delete the WAL file if the checkpoint completed and - ** fsyned (rc==SQLITE_OK) and if we are not in persistent-wal + ** fsynced (rc==SQLITE_OK) and if we are not in persistent-wal ** mode (!bPersist) */ isDelete = 1; }else if( pWal->mxWalSize>=0 ){ @@ -61638,7 +66558,7 @@ static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){ ** give false-positive warnings about these accesses because the tools do not ** account for the double-read and the memory barrier. The use of mutexes ** here would be problematic as the memory being accessed is potentially - ** shared among multiple processes and not all mutex implementions work + ** shared among multiple processes and not all mutex implementations work ** reliably in that environment. */ aHdr = walIndexHdr(pWal); @@ -61904,7 +66824,9 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ } /* Allocate a buffer to read frames into */ - szFrame = pWal->hdr.szPage + WAL_FRAME_HDRSIZE; + assert( (pWal->szPage & (pWal->szPage-1))==0 ); + assert( pWal->szPage>=512 && pWal->szPage<=65536 ); + szFrame = pWal->szPage + WAL_FRAME_HDRSIZE; aFrame = (u8 *)sqlite3_malloc64(szFrame); if( aFrame==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -61918,7 +66840,7 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ ** the caller. */ aSaveCksum[0] = pWal->hdr.aFrameCksum[0]; aSaveCksum[1] = pWal->hdr.aFrameCksum[1]; - for(iOffset=walFrameOffset(pWal->hdr.mxFrame+1, pWal->hdr.szPage); + for(iOffset=walFrameOffset(pWal->hdr.mxFrame+1, pWal->szPage); iOffset+szFrame<=szWal; iOffset+=szFrame ){ @@ -62087,6 +67009,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ assert( pWal->nWiData>0 ); assert( pWal->apWiData[0]!=0 ); pInfo = walCkptInfo(pWal); + SEH_INJECT_FAULT; if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame #ifdef SQLITE_ENABLE_SNAPSHOT && (pWal->pSnapshot==0 || pWal->hdr.mxFrame==0) @@ -62136,7 +67059,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #endif for(i=1; iaReadMark+i); + u32 thisMark = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxReadMark<=thisMark && thisMark<=mxFrame ){ assert( thisMark!=READMARK_NOT_USED ); mxReadMark = thisMark; @@ -62202,7 +67125,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** we can guarantee that the checkpointer that set nBackfill could not ** see any pages past pWal->hdr.mxFrame, this problem does not come up. */ - pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; + pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; SEH_INJECT_FAULT; walShmBarrier(pWal); if( AtomicLoad(pInfo->aReadMark+mxI)!=mxReadMark || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr)) @@ -62217,6 +67140,54 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #ifdef SQLITE_ENABLE_SNAPSHOT +/* +** This function does the work of sqlite3WalSnapshotRecover(). +*/ +static int walSnapshotRecover( + Wal *pWal, /* WAL handle */ + void *pBuf1, /* Temp buffer pWal->szPage bytes in size */ + void *pBuf2 /* Temp buffer pWal->szPage bytes in size */ +){ + int szPage = (int)pWal->szPage; + int rc; + i64 szDb; /* Size of db file in bytes */ + + rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); + if( rc==SQLITE_OK ){ + volatile WalCkptInfo *pInfo = walCkptInfo(pWal); + u32 i = pInfo->nBackfillAttempted; + for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ + WalHashLoc sLoc; /* Hash table location */ + u32 pgno; /* Page number in db file */ + i64 iDbOff; /* Offset of db file entry */ + i64 iWalOff; /* Offset of wal file entry */ + + rc = walHashGet(pWal, walFramePage(i), &sLoc); + if( rc!=SQLITE_OK ) break; + assert( i - sLoc.iZero - 1 >=0 ); + pgno = sLoc.aPgno[i-sLoc.iZero-1]; + iDbOff = (i64)(pgno-1) * szPage; + + if( iDbOff+szPage<=szDb ){ + iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; + rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); + + if( rc==SQLITE_OK ){ + rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); + } + + if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ + break; + } + } + + pInfo->nBackfillAttempted = i-1; + } + } + + return rc; +} + /* ** Attempt to reduce the value of the WalCkptInfo.nBackfillAttempted ** variable so that older snapshots can be accessed. To do this, loop @@ -62242,49 +67213,21 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ assert( pWal->readLock>=0 ); rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1); if( rc==SQLITE_OK ){ - volatile WalCkptInfo *pInfo = walCkptInfo(pWal); - int szPage = (int)pWal->szPage; - i64 szDb; /* Size of db file in bytes */ - - rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); - if( rc==SQLITE_OK ){ - void *pBuf1 = sqlite3_malloc(szPage); - void *pBuf2 = sqlite3_malloc(szPage); - if( pBuf1==0 || pBuf2==0 ){ - rc = SQLITE_NOMEM; - }else{ - u32 i = pInfo->nBackfillAttempted; - for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ - WalHashLoc sLoc; /* Hash table location */ - u32 pgno; /* Page number in db file */ - i64 iDbOff; /* Offset of db file entry */ - i64 iWalOff; /* Offset of wal file entry */ - - rc = walHashGet(pWal, walFramePage(i), &sLoc); - if( rc!=SQLITE_OK ) break; - pgno = sLoc.aPgno[i-sLoc.iZero]; - iDbOff = (i64)(pgno-1) * szPage; - - if( iDbOff+szPage<=szDb ){ - iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; - rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); - - if( rc==SQLITE_OK ){ - rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); - } - - if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ - break; - } - } - - pInfo->nBackfillAttempted = i-1; - } + void *pBuf1 = sqlite3_malloc(pWal->szPage); + void *pBuf2 = sqlite3_malloc(pWal->szPage); + if( pBuf1==0 || pBuf2==0 ){ + rc = SQLITE_NOMEM; + }else{ + pWal->ckptLock = 1; + SEH_TRY { + rc = walSnapshotRecover(pWal, pBuf1, pBuf2); } - - sqlite3_free(pBuf1); - sqlite3_free(pBuf2); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + pWal->ckptLock = 0; } + + sqlite3_free(pBuf1); + sqlite3_free(pBuf2); walUnlockExclusive(pWal, WAL_CKPT_LOCK, 1); } @@ -62293,28 +67236,20 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ #endif /* SQLITE_ENABLE_SNAPSHOT */ /* -** Begin a read transaction on the database. -** -** This routine used to be called sqlite3OpenSnapshot() and with good reason: -** it takes a snapshot of the state of the WAL and wal-index for the current -** instant in time. The current thread will continue to use this snapshot. -** Other threads might append new content to the WAL and wal-index but -** that extra content is ignored by the current thread. -** -** If the database contents have changes since the previous read -** transaction, then *pChanged is set to 1 before returning. The -** Pager layer will use this to know that its cache is stale and -** needs to be flushed. +** This function does the work of sqlite3WalBeginReadTransaction() (see +** below). That function simply calls this one inside an SEH_TRY{...} block. */ -SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ +static int walBeginReadTransaction(Wal *pWal, int *pChanged){ int rc; /* Return code */ int cnt = 0; /* Number of TryBeginRead attempts */ #ifdef SQLITE_ENABLE_SNAPSHOT + int ckptLock = 0; int bChanged = 0; WalIndexHdr *pSnapshot = pWal->pSnapshot; #endif assert( pWal->ckptLock==0 ); + assert( pWal->nSehTry>0 ); #ifdef SQLITE_ENABLE_SNAPSHOT if( pSnapshot ){ @@ -62337,7 +67272,7 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ if( rc!=SQLITE_OK ){ return rc; } - pWal->ckptLock = 1; + ckptLock = 1; } #endif @@ -62401,15 +67336,37 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ } /* Release the shared CKPT lock obtained above. */ - if( pWal->ckptLock ){ + if( ckptLock ){ assert( pSnapshot ); walUnlockShared(pWal, WAL_CKPT_LOCK); - pWal->ckptLock = 0; } #endif return rc; } +/* +** Begin a read transaction on the database. +** +** This routine used to be called sqlite3OpenSnapshot() and with good reason: +** it takes a snapshot of the state of the WAL and wal-index for the current +** instant in time. The current thread will continue to use this snapshot. +** Other threads might append new content to the WAL and wal-index but +** that extra content is ignored by the current thread. +** +** If the database contents have changes since the previous read +** transaction, then *pChanged is set to 1 before returning. The +** Pager layer will use this to know that its cache is stale and +** needs to be flushed. +*/ +SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ + int rc; + SEH_TRY { + rc = walBeginReadTransaction(pWal, pChanged); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** Finish with a read transaction. All this does is release the ** read-lock. @@ -62430,7 +67387,7 @@ SQLITE_PRIVATE void sqlite3WalEndReadTransaction(Wal *pWal){ ** Return SQLITE_OK if successful, or an error code if an error occurs. If an ** error does occur, the final value of *piRead is undefined. */ -SQLITE_PRIVATE int sqlite3WalFindFrame( +static int walFindFrame( Wal *pWal, /* WAL handle */ Pgno pgno, /* Database page number to read data for */ u32 *piRead /* OUT: Frame number (or zero) */ @@ -62493,9 +67450,10 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( } nCollide = HASHTABLE_NSLOT; iKey = walHash(pgno); + SEH_INJECT_FAULT; while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){ u32 iFrame = iH + sLoc.iZero; - if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH]==pgno ){ + if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH-1]==pgno ){ assert( iFrame>iRead || CORRUPT_DB ); iRead = iFrame; } @@ -62529,6 +67487,30 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( return SQLITE_OK; } +/* +** Search the wal file for page pgno. If found, set *piRead to the frame that +** contains the page. Otherwise, if pgno is not in the wal file, set *piRead +** to zero. +** +** Return SQLITE_OK if successful, or an error code if an error occurs. If an +** error does occur, the final value of *piRead is undefined. +** +** The difference between this function and walFindFrame() is that this +** function wraps walFindFrame() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFindFrame( + Wal *pWal, /* WAL handle */ + Pgno pgno, /* Database page number to read data for */ + u32 *piRead /* OUT: Frame number (or zero) */ +){ + int rc; + SEH_TRY { + rc = walFindFrame(pWal, pgno, piRead); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + return rc; +} + /* ** Read the contents of frame iRead from the wal file into buffer pOut ** (which is nOut bytes in size). Return SQLITE_OK if successful, or an @@ -62610,12 +67592,17 @@ SQLITE_PRIVATE int sqlite3WalBeginWriteTransaction(Wal *pWal){ ** time the read transaction on this connection was started, then ** the write is disallowed. */ - if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + SEH_TRY { + if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + rc = SQLITE_BUSY_SNAPSHOT; + } + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + + if( rc!=SQLITE_OK ){ walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); pWal->writeLock = 0; - rc = SQLITE_BUSY_SNAPSHOT; } - return rc; } @@ -62651,30 +67638,33 @@ SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *p Pgno iMax = pWal->hdr.mxFrame; Pgno iFrame; - /* Restore the clients cache of the wal-index header to the state it - ** was in before the client began writing to the database. - */ - memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); - - for(iFrame=pWal->hdr.mxFrame+1; - ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; - iFrame++ - ){ - /* This call cannot fail. Unless the page for which the page number - ** is passed as the second argument is (a) in the cache and - ** (b) has an outstanding reference, then xUndo is either a no-op - ** (if (a) is false) or simply expels the page from the cache (if (b) - ** is false). - ** - ** If the upper layer is doing a rollback, it is guaranteed that there - ** are no outstanding references to any page other than page 1. And - ** page 1 is never written to the log until the transaction is - ** committed. As a result, the call to xUndo may not fail. + SEH_TRY { + /* Restore the clients cache of the wal-index header to the state it + ** was in before the client began writing to the database. */ - assert( walFramePgno(pWal, iFrame)!=1 ); - rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); + + for(iFrame=pWal->hdr.mxFrame+1; + ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; + iFrame++ + ){ + /* This call cannot fail. Unless the page for which the page number + ** is passed as the second argument is (a) in the cache and + ** (b) has an outstanding reference, then xUndo is either a no-op + ** (if (a) is false) or simply expels the page from the cache (if (b) + ** is false). + ** + ** If the upper layer is doing a rollback, it is guaranteed that there + ** are no outstanding references to any page other than page 1. And + ** page 1 is never written to the log until the transaction is + ** committed. As a result, the call to xUndo may not fail. + */ + assert( walFramePgno(pWal, iFrame)!=1 ); + rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + } + if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); } - if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; } @@ -62718,7 +67708,10 @@ SQLITE_PRIVATE int sqlite3WalSavepointUndo(Wal *pWal, u32 *aWalData){ pWal->hdr.mxFrame = aWalData[0]; pWal->hdr.aFrameCksum[0] = aWalData[1]; pWal->hdr.aFrameCksum[1] = aWalData[2]; - walCleanupHash(pWal); + SEH_TRY { + walCleanupHash(pWal); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; @@ -62899,7 +67892,7 @@ static int walRewriteChecksums(Wal *pWal, u32 iLast){ ** Write a set of frames to the log. The caller must hold the write-lock ** on the log file (obtained using sqlite3WalBeginWriteTransaction()). */ -SQLITE_PRIVATE int sqlite3WalFrames( +static int walFrames( Wal *pWal, /* Wal handle to write to */ int szPage, /* Database page-size in bytes */ PgHdr *pList, /* List of dirty pages to write */ @@ -62987,7 +67980,9 @@ SQLITE_PRIVATE int sqlite3WalFrames( if( rc ) return rc; } } - assert( (int)pWal->szPage==szPage ); + if( (int)pWal->szPage!=szPage ){ + return SQLITE_CORRUPT_BKPT; /* TH3 test case: cov1/corrupt155.test */ + } /* Setup information needed to write frames into the WAL */ w.pWal = pWal; @@ -63008,7 +68003,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( ** checksums must be recomputed when the transaction is committed. */ if( iFirst && (p->pDirty || isCommit==0) ){ u32 iWrite = 0; - VVA_ONLY(rc =) sqlite3WalFindFrame(pWal, p->pgno, &iWrite); + VVA_ONLY(rc =) walFindFrame(pWal, p->pgno, &iWrite); assert( rc==SQLITE_OK || iWrite==0 ); if( iWrite>=iFirst ){ i64 iOff = walFrameOffset(iWrite, szPage) + WAL_FRAME_HDRSIZE; @@ -63127,6 +68122,29 @@ SQLITE_PRIVATE int sqlite3WalFrames( return rc; } +/* +** Write a set of frames to the log. The caller must hold the write-lock +** on the log file (obtained using sqlite3WalBeginWriteTransaction()). +** +** The difference between this function and walFrames() is that this +** function wraps walFrames() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFrames( + Wal *pWal, /* Wal handle to write to */ + int szPage, /* Database page-size in bytes */ + PgHdr *pList, /* List of dirty pages to write */ + Pgno nTruncate, /* Database size after this commit */ + int isCommit, /* True if this is a commit */ + int sync_flags /* Flags to pass to OsSync() (or 0) */ +){ + int rc; + SEH_TRY { + rc = walFrames(pWal, szPage, pList, nTruncate, isCommit, sync_flags); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** This routine is called to implement sqlite3_wal_checkpoint() and ** related interfaces. @@ -63206,30 +68224,33 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( /* Read the wal-index header. */ - if( rc==SQLITE_OK ){ - walDisableBlocking(pWal); - rc = walIndexReadHdr(pWal, &isChanged); - (void)walEnableBlocking(pWal); - if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ - sqlite3OsUnfetch(pWal->pDbFd, 0, 0); + SEH_TRY { + if( rc==SQLITE_OK ){ + walDisableBlocking(pWal); + rc = walIndexReadHdr(pWal, &isChanged); + (void)walEnableBlocking(pWal); + if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ + sqlite3OsUnfetch(pWal->pDbFd, 0, 0); + } } - } - - /* Copy data from the log to the database file. */ - if( rc==SQLITE_OK ){ - if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ - rc = SQLITE_CORRUPT_BKPT; - }else{ - rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags, zBuf); - } + /* Copy data from the log to the database file. */ + if( rc==SQLITE_OK ){ + if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ + rc = SQLITE_CORRUPT_BKPT; + }else{ + rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags,zBuf); + } - /* If no error occurred, set the output variables. */ - if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ - if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; - if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + /* If no error occurred, set the output variables. */ + if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ + if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; + SEH_INJECT_FAULT; + if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) if( isChanged ){ /* If a new wal-index header was loaded before the checkpoint was @@ -63306,7 +68327,9 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op){ ** locks are taken in this case). Nor should the pager attempt to ** upgrade to exclusive-mode following such an error. */ +#ifndef SQLITE_USE_SEH assert( pWal->readLock>=0 || pWal->lockError ); +#endif assert( pWal->readLock>=0 || (op<=0 && pWal->exclusiveMode==0) ); if( op==0 ){ @@ -63407,16 +68430,19 @@ SQLITE_API int sqlite3_snapshot_cmp(sqlite3_snapshot *p1, sqlite3_snapshot *p2){ */ SQLITE_PRIVATE int sqlite3WalSnapshotCheck(Wal *pWal, sqlite3_snapshot *pSnapshot){ int rc; - rc = walLockShared(pWal, WAL_CKPT_LOCK); - if( rc==SQLITE_OK ){ - WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; - if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) - || pNew->mxFramenBackfillAttempted - ){ - rc = SQLITE_ERROR_SNAPSHOT; - walUnlockShared(pWal, WAL_CKPT_LOCK); + SEH_TRY { + rc = walLockShared(pWal, WAL_CKPT_LOCK); + if( rc==SQLITE_OK ){ + WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; + if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) + || pNew->mxFramenBackfillAttempted + ){ + rc = SQLITE_ERROR_SNAPSHOT; + walUnlockShared(pWal, WAL_CKPT_LOCK); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) return rc; } @@ -63647,7 +68673,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** byte are used. The integer consists of all bytes that have bit 8 set and ** the first byte with bit 8 clear. The most significant byte of the integer ** appears first. A variable-length integer may not be more than 9 bytes long. -** As a special case, all 8 bytes of the 9th byte are used as data. This +** As a special case, all 8 bits of the 9th byte are used as data. This ** allows a 64-bit integer to be encoded in 9 bytes. ** ** 0x00 becomes 0x00000000 @@ -63655,7 +68681,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** 0x81 0x00 becomes 0x00000080 ** 0x82 0x00 becomes 0x00000100 ** 0x80 0x7f becomes 0x0000007f -** 0x8a 0x91 0xd1 0xac 0x78 becomes 0x12345678 +** 0x81 0x91 0xd1 0xac 0x78 becomes 0x12345678 ** 0x81 0x81 0x81 0x81 0x01 becomes 0x10204081 ** ** Variable length integers are used for rowids and to hold the number of @@ -63738,7 +68764,7 @@ typedef struct CellInfo CellInfo; ** page that has been loaded into memory. The information in this object ** is derived from the raw on-disk page content. ** -** As each database page is loaded into memory, the pager allocats an +** As each database page is loaded into memory, the pager allocates an ** instance of this object and zeros the first 8 bytes. (This is the ** "extra" information associated with each page of the pager.) ** @@ -63747,7 +68773,6 @@ typedef struct CellInfo CellInfo; */ struct MemPage { u8 isInit; /* True if previously initialized. MUST BE FIRST! */ - u8 bBusy; /* Prevent endless loops on corrupt database files */ u8 intKey; /* True if table b-trees. False for index b-trees */ u8 intKeyLeaf; /* True if the leaf of an intKey table */ Pgno pgno; /* Page number for this page */ @@ -63769,7 +68794,9 @@ struct MemPage { u8 *apOvfl[4]; /* Pointers to the body of overflow cells */ BtShared *pBt; /* Pointer to BtShared that this page is part of */ u8 *aData; /* Pointer to disk image of the page data */ - u8 *aDataEnd; /* One byte past the end of usable data */ + u8 *aDataEnd; /* One byte past the end of the entire page - not just + ** the usable space, the entire page. Used to prevent + ** corruption-induced buffer overflow. */ u8 *aCellIdx; /* The cell index area */ u8 *aDataOfst; /* Same as aData for leaves. aData+4 for interior */ DbPage *pDbPage; /* Pager page handle */ @@ -63825,9 +68852,12 @@ struct Btree { u8 hasIncrblobCur; /* True if there are one or more Incrblob cursors */ int wantToLock; /* Number of nested calls to sqlite3BtreeEnter() */ int nBackup; /* Number of backup operations reading this btree */ - u32 iDataVersion; /* Combines with pBt->pPager->iDataVersion */ + u32 iBDataVersion; /* Combines with pBt->pPager->iDataVersion */ Btree *pNext; /* List of other sharable Btrees from the same db */ Btree *pPrev; /* Back pointer of the same list */ +#ifdef SQLITE_DEBUG + u64 nSeek; /* Calls to sqlite3BtreeMovetoUnpacked() */ +#endif #ifndef SQLITE_OMIT_SHARED_CACHE BtLock lock; /* Object used to lock page 1 */ #endif @@ -63839,11 +68869,25 @@ struct Btree { ** If the shared-data extension is enabled, there may be multiple users ** of the Btree structure. At most one of these may open a write transaction, ** but any number may have active read transactions. +** +** These values must match SQLITE_TXN_NONE, SQLITE_TXN_READ, and +** SQLITE_TXN_WRITE */ #define TRANS_NONE 0 #define TRANS_READ 1 #define TRANS_WRITE 2 +#if TRANS_NONE!=SQLITE_TXN_NONE +# error wrong numeric code for no-transaction +#endif +#if TRANS_READ!=SQLITE_TXN_READ +# error wrong numeric code for read-transaction +#endif +#if TRANS_WRITE!=SQLITE_TXN_WRITE +# error wrong numeric code for write-transaction +#endif + + /* ** An instance of this object represents a single database file. ** @@ -63913,6 +68957,7 @@ struct BtShared { Btree *pWriter; /* Btree with currently open write transaction */ #endif u8 *pTmpSpace; /* Temp space sufficient to hold a single cell */ + int nPreformatSize; /* Size of last cell written by TransferRow() */ }; /* @@ -64012,7 +69057,7 @@ struct BtCursor { #define BTCF_WriteFlag 0x01 /* True if a write cursor */ #define BTCF_ValidNKey 0x02 /* True if info.nKey is valid */ #define BTCF_ValidOvfl 0x04 /* True if aOverflow is valid */ -#define BTCF_AtLast 0x08 /* Cursor is pointing ot the last entry */ +#define BTCF_AtLast 0x08 /* Cursor is pointing to the last entry */ #define BTCF_Incrblob 0x10 /* True if an incremental I/O handle */ #define BTCF_Multiple 0x20 /* Maybe another cursor on the same btree */ #define BTCF_Pinned 0x40 /* Cursor is busy and cannot be moved */ @@ -64056,7 +69101,7 @@ struct BtCursor { /* ** The database page the PENDING_BYTE occupies. This page is never used. */ -# define PENDING_BYTE_PAGE(pBt) PAGER_MJ_PGNO(pBt) +#define PENDING_BYTE_PAGE(pBt) ((Pgno)((PENDING_BYTE/((pBt)->pageSize))+1)) /* ** These macros define the location of the pointer-map entry for a @@ -64130,15 +69175,15 @@ struct BtCursor { ** So, this macro is defined instead. */ #ifndef SQLITE_OMIT_AUTOVACUUM -#define ISAUTOVACUUM (pBt->autoVacuum) +#define ISAUTOVACUUM(pBt) (pBt->autoVacuum) #else -#define ISAUTOVACUUM 0 +#define ISAUTOVACUUM(pBt) 0 #endif /* -** This structure is passed around through all the sanity checking routines -** in order to keep track of some global state information. +** This structure is passed around through all the PRAGMA integrity_check +** checking routines in order to keep track of some global state information. ** ** The aRef[] array is allocated so that there is 1 bit for each page in ** the database. As the integrity-check proceeds, for each page used in @@ -64154,10 +69199,12 @@ struct IntegrityCk { Pgno nPage; /* Number of pages in the database */ int mxErr; /* Stop accumulating errors when this reaches zero */ int nErr; /* Number of messages written to zErrMsg so far */ - int bOomFault; /* A memory allocation error has occurred */ + int rc; /* SQLITE_OK, SQLITE_NOMEM, or SQLITE_INTERRUPT */ + u32 nStep; /* Number of steps into the integrity_check process */ const char *zPfx; /* Error message prefix */ - Pgno v1; /* Value for first %u substitution in zPfx */ - int v2; /* Value for second %d substitution in zPfx */ + Pgno v0; /* Value for first %u substitution in zPfx (root page) */ + Pgno v1; /* Value for second %u substitution in zPfx (current pg) */ + int v2; /* Value for third %d substitution in zPfx */ StrAccum errMsg; /* Accumulate the error message text here */ u32 *heap; /* Min-heap used for analyzing cell coverage */ sqlite3 *db; /* Database connection running the check */ @@ -64173,7 +69220,7 @@ struct IntegrityCk { /* ** get2byteAligned(), unlike get2byte(), requires that its argument point to a -** two-byte aligned address. get2bytea() is only used for accessing the +** two-byte aligned address. get2byteAligned() is only used for accessing the ** cell addresses in a btree header. */ #if SQLITE_BYTEORDER==4321 @@ -64350,7 +69397,7 @@ SQLITE_PRIVATE int sqlite3BtreeHoldsMutex(Btree *p){ ** ** There is a corresponding leave-all procedures. ** -** Enter the mutexes in accending order by BtShared pointer address +** Enter the mutexes in ascending order by BtShared pointer address ** to avoid the possibility of deadlock when two threads with ** two or more btrees in common both try to lock all their btrees ** at the same instant. @@ -64424,6 +69471,7 @@ SQLITE_PRIVATE int sqlite3BtreeHoldsAllMutexes(sqlite3 *db){ SQLITE_PRIVATE int sqlite3SchemaMutexHeld(sqlite3 *db, int iDb, Schema *pSchema){ Btree *p; assert( db!=0 ); + if( db->pVfs==0 && db->nDb==0 ) return 1; if( pSchema ) iDb = sqlite3SchemaToIndex(db, pSchema); assert( iDb>=0 && iDbnDb ); if( !sqlite3_mutex_held(db->mutex) ) return 0; @@ -64481,6 +69529,7 @@ SQLITE_PRIVATE void sqlite3BtreeLeaveCursor(BtCursor *pCur){ /************** End of btmutex.c *********************************************/ /************** Begin file btree.c *******************************************/ + /* ** 2004 April 6 ** @@ -64595,6 +69644,17 @@ SQLITE_API int sqlite3_enable_shared_cache(int enable){ #define hasReadConflicts(a, b) 0 #endif +#ifdef SQLITE_DEBUG +/* +** Return and reset the seek counter for a Btree object. +*/ +SQLITE_PRIVATE sqlite3_uint64 sqlite3BtreeSeekCount(Btree *pBt){ + u64 n = pBt->nSeek; + pBt->nSeek = 0; + return n; +} +#endif + /* ** Implementation of the SQLITE_CORRUPT_PAGE() macro. Takes a single ** (MemPage*) as an argument. The (MemPage*) must not be NULL. @@ -64608,8 +69668,8 @@ SQLITE_API int sqlite3_enable_shared_cache(int enable){ int corruptPageError(int lineno, MemPage *p){ char *zMsg; sqlite3BeginBenignMalloc(); - zMsg = sqlite3_mprintf("database corruption page %d of %s", - (int)p->pgno, sqlite3PagerFilename(p->pBt->pPager, 0) + zMsg = sqlite3_mprintf("database corruption page %u of %s", + p->pgno, sqlite3PagerFilename(p->pBt->pPager, 0) ); sqlite3EndBenignMalloc(); if( zMsg ){ @@ -64686,7 +69746,7 @@ static int hasSharedCacheTableLock( int bSeen = 0; for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){ Index *pIdx = (Index *)sqliteHashData(p); - if( pIdx->tnum==(int)iRoot ){ + if( pIdx->tnum==iRoot ){ if( bSeen ){ /* Two or more indexes share the same root page. There must ** be imposter tables. So just return true. The assert is not @@ -65019,7 +70079,7 @@ static void invalidateIncrblobCursors( int isClearTable /* True if all rows are being deleted */ ){ BtCursor *p; - if( pBtree->hasIncrblobCur==0 ) return; + assert( pBtree->hasIncrblobCur ); assert( sqlite3BtreeHoldsMutex(pBtree) ); pBtree->hasIncrblobCur = 0; for(p=pBtree->pBt->pCursor; p; p=p->pNext){ @@ -65279,7 +70339,7 @@ SQLITE_PRIVATE void sqlite3BtreeClearCursor(BtCursor *pCur){ /* ** In this version of BtreeMoveto, pKey is a packed index record ** such as is generated by the OP_MakeRecord opcode. Unpack the -** record and then call BtreeMovetoUnpacked() to do the work. +** record and then call sqlite3BtreeIndexMoveto() to do the work. */ static int btreeMoveto( BtCursor *pCur, /* Cursor open on the btree to be searched */ @@ -65299,15 +70359,13 @@ static int btreeMoveto( sqlite3VdbeRecordUnpack(pKeyInfo, (int)nKey, pKey, pIdxKey); if( pIdxKey->nField==0 || pIdxKey->nField>pKeyInfo->nAllField ){ rc = SQLITE_CORRUPT_BKPT; - goto moveto_done; + }else{ + rc = sqlite3BtreeIndexMoveto(pCur, pIdxKey, pRes); } + sqlite3DbFree(pCur->pKeyInfo->db, pIdxKey); }else{ pIdxKey = 0; - } - rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); -moveto_done: - if( pIdxKey ){ - sqlite3DbFree(pCur->pKeyInfo->db, pIdxKey); + rc = sqlite3BtreeTableMoveto(pCur, nKey, bias, pRes); } return rc; } @@ -65420,8 +70478,25 @@ SQLITE_PRIVATE int sqlite3BtreeCursorRestore(BtCursor *pCur, int *pDifferentRow) */ SQLITE_PRIVATE void sqlite3BtreeCursorHint(BtCursor *pCur, int eHintType, ...){ /* Used only by system that substitute their own storage engine */ +#ifdef SQLITE_DEBUG + if( ALWAYS(eHintType==BTREE_HINT_RANGE) ){ + va_list ap; + Expr *pExpr; + Walker w; + memset(&w, 0, sizeof(w)); + w.xExprCallback = sqlite3CursorRangeHintExprCheck; + va_start(ap, eHintType); + pExpr = va_arg(ap, Expr*); + w.u.aMem = va_arg(ap, Mem*); + va_end(ap); + assert( pExpr!=0 ); + assert( w.u.aMem!=0 ); + sqlite3WalkExpr(&w, pExpr); + } +#endif /* SQLITE_DEBUG */ } -#endif +#endif /* SQLITE_ENABLE_CURSOR_HINTS */ + /* ** Provide flag hints to the cursor. @@ -65506,7 +70581,7 @@ static void ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent, int *pRC){ pPtrmap = (u8 *)sqlite3PagerGetData(pDbPage); if( eType!=pPtrmap[offset] || get4byte(&pPtrmap[offset+1])!=parent ){ - TRACE(("PTRMAP_UPDATE: %d->(%d,%d)\n", key, eType, parent)); + TRACE(("PTRMAP_UPDATE: %u->(%u,%u)\n", key, eType, parent)); *pRC= rc = sqlite3PagerWrite(pDbPage); if( rc==SQLITE_OK ){ pPtrmap[offset] = eType; @@ -65615,6 +70690,24 @@ static SQLITE_NOINLINE void btreeParseCellAdjustSizeForOverflow( pInfo->nSize = (u16)(&pInfo->pPayload[pInfo->nLocal] - pCell) + 4; } +/* +** Given a record with nPayload bytes of payload stored within btree +** page pPage, return the number of bytes of payload stored locally. +*/ +static int btreePayloadToLocal(MemPage *pPage, i64 nPayload){ + int maxLocal; /* Maximum amount of payload held locally */ + maxLocal = pPage->maxLocal; + if( nPayload<=maxLocal ){ + return nPayload; + }else{ + int minLocal; /* Minimum amount of payload held locally */ + int surplus; /* Overflow payload available for local storage */ + minLocal = pPage->minLocal; + surplus = minLocal + (nPayload - minLocal)%(pPage->pBt->usableSize-4); + return ( surplus <= maxLocal ) ? surplus : minLocal; + } +} + /* ** The following routines are implementations of the MemPage.xParseCell() ** method. @@ -65681,19 +70774,37 @@ static void btreeParseCellPtr( ** ** pIter += getVarint(pIter, (u64*)&pInfo->nKey); ** - ** The code is inlined to avoid a function call. + ** The code is inlined and the loop is unrolled for performance. + ** This routine is a high-runner. */ iKey = *pIter; if( iKey>=0x80 ){ - u8 *pEnd = &pIter[7]; - iKey &= 0x7f; - while(1){ - iKey = (iKey<<7) | (*++pIter & 0x7f); - if( (*pIter)<0x80 ) break; - if( pIter>=pEnd ){ - iKey = (iKey<<8) | *++pIter; - break; + u8 x; + iKey = (iKey<<7) ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ 0x10204000 ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); + if( x>=0x80 ){ + iKey = (iKey<<8) ^ 0x8000 ^ (*++pIter); + } + } + } + } + } + }else{ + iKey ^= 0x204000; } + }else{ + iKey ^= 0x4000; } } pIter++; @@ -65702,7 +70813,7 @@ static void btreeParseCellPtr( pInfo->nPayload = nPayload; pInfo->pPayload = pIter; testcase( nPayload==pPage->maxLocal ); - testcase( nPayload==pPage->maxLocal+1 ); + testcase( nPayload==(u32)pPage->maxLocal+1 ); if( nPayload<=pPage->maxLocal ){ /* This is the (easy) common case where the entire payload fits ** on the local page. No overflow is required. @@ -65739,7 +70850,7 @@ static void btreeParseCellPtrIndex( pInfo->nPayload = nPayload; pInfo->pPayload = pIter; testcase( nPayload==pPage->maxLocal ); - testcase( nPayload==pPage->maxLocal+1 ); + testcase( nPayload==(u32)pPage->maxLocal+1 ); if( nPayload<=pPage->maxLocal ){ /* This is the (easy) common case where the entire payload fits ** on the local page. No overflow is required. @@ -65769,10 +70880,12 @@ static void btreeParseCell( ** the space used by the cell pointer. ** ** cellSizePtrNoPayload() => table internal nodes -** cellSizePtr() => all index nodes & table leaf nodes +** cellSizePtrTableLeaf() => table leaf nodes +** cellSizePtr() => index internal nodes +** cellSizeIdxLeaf() => index leaf nodes */ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ - u8 *pIter = pCell + pPage->childPtrSize; /* For looping over bytes of pCell */ + u8 *pIter = pCell + 4; /* For looping over bytes of pCell */ u8 *pEnd; /* End mark for a varint */ u32 nSize; /* Size value to return */ @@ -65785,6 +70898,7 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ pPage->xParseCell(pPage, pCell, &debuginfo); #endif + assert( pPage->childPtrSize==4 ); nSize = *pIter; if( nSize>=0x80 ){ pEnd = &pIter[8]; @@ -65794,15 +70908,50 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ }while( *(pIter)>=0x80 && pIterintKey ){ - /* pIter now points at the 64-bit integer key value, a variable length - ** integer. The following block moves pIter to point at the first byte - ** past the end of the key value. */ - pEnd = &pIter[9]; - while( (*pIter++)&0x80 && pItermaxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize<=pPage->maxLocal ){ + nSize += (u32)(pIter - pCell); + assert( nSize>4 ); + }else{ + int minLocal = pPage->minLocal; + nSize = minLocal + (nSize - minLocal) % (pPage->pBt->usableSize - 4); + testcase( nSize==pPage->maxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize>pPage->maxLocal ){ + nSize = minLocal; + } + nSize += 4 + (u16)(pIter - pCell); } + assert( nSize==debuginfo.nSize || CORRUPT_DB ); + return (u16)nSize; +} +static u16 cellSizePtrIdxLeaf(MemPage *pPage, u8 *pCell){ + u8 *pIter = pCell; /* For looping over bytes of pCell */ + u8 *pEnd; /* End mark for a varint */ + u32 nSize; /* Size value to return */ + +#ifdef SQLITE_DEBUG + /* The value returned by this function should always be the same as + ** the (CellInfo.nSize) value found by doing a full parse of the + ** cell. If SQLITE_DEBUG is defined, an assert() at the bottom of + ** this function verifies that this invariant is not violated. */ + CellInfo debuginfo; + pPage->xParseCell(pPage, pCell, &debuginfo); +#endif + + assert( pPage->childPtrSize==0 ); + nSize = *pIter; + if( nSize>=0x80 ){ + pEnd = &pIter[8]; + nSize &= 0x7f; + do{ + nSize = (nSize<<7) | (*++pIter & 0x7f); + }while( *(pIter)>=0x80 && pItermaxLocal ); - testcase( nSize==pPage->maxLocal+1 ); + testcase( nSize==(u32)pPage->maxLocal+1 ); if( nSize<=pPage->maxLocal ){ nSize += (u32)(pIter - pCell); if( nSize<4 ) nSize = 4; @@ -65810,7 +70959,7 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ int minLocal = pPage->minLocal; nSize = minLocal + (nSize - minLocal) % (pPage->pBt->usableSize - 4); testcase( nSize==pPage->maxLocal ); - testcase( nSize==pPage->maxLocal+1 ); + testcase( nSize==(u32)pPage->maxLocal+1 ); if( nSize>pPage->maxLocal ){ nSize = minLocal; } @@ -65840,6 +70989,58 @@ static u16 cellSizePtrNoPayload(MemPage *pPage, u8 *pCell){ assert( debuginfo.nSize==(u16)(pIter - pCell) || CORRUPT_DB ); return (u16)(pIter - pCell); } +static u16 cellSizePtrTableLeaf(MemPage *pPage, u8 *pCell){ + u8 *pIter = pCell; /* For looping over bytes of pCell */ + u8 *pEnd; /* End mark for a varint */ + u32 nSize; /* Size value to return */ + +#ifdef SQLITE_DEBUG + /* The value returned by this function should always be the same as + ** the (CellInfo.nSize) value found by doing a full parse of the + ** cell. If SQLITE_DEBUG is defined, an assert() at the bottom of + ** this function verifies that this invariant is not violated. */ + CellInfo debuginfo; + pPage->xParseCell(pPage, pCell, &debuginfo); +#endif + + nSize = *pIter; + if( nSize>=0x80 ){ + pEnd = &pIter[8]; + nSize &= 0x7f; + do{ + nSize = (nSize<<7) | (*++pIter & 0x7f); + }while( *(pIter)>=0x80 && pItermaxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize<=pPage->maxLocal ){ + nSize += (u32)(pIter - pCell); + if( nSize<4 ) nSize = 4; + }else{ + int minLocal = pPage->minLocal; + nSize = minLocal + (nSize - minLocal) % (pPage->pBt->usableSize - 4); + testcase( nSize==pPage->maxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize>pPage->maxLocal ){ + nSize = minLocal; + } + nSize += 4 + (u16)(pIter - pCell); + } + assert( nSize==debuginfo.nSize || CORRUPT_DB ); + return (u16)nSize; +} #ifdef SQLITE_DEBUG @@ -65853,7 +71054,7 @@ static u16 cellSize(MemPage *pPage, int iCell){ #ifndef SQLITE_OMIT_AUTOVACUUM /* ** The cell pCell is currently part of page pSrc but will ultimately be part -** of pPage. (pSrc and pPager are often the same.) If pCell contains a +** of pPage. (pSrc and pPage are often the same.) If pCell contains a ** pointer to an overflow page, insert an entry into the pointer-map for ** the overflow page that will be valid after pCell has been moved to pPage. */ @@ -65864,7 +71065,7 @@ static void ptrmapPutOvflPtr(MemPage *pPage, MemPage *pSrc, u8 *pCell,int *pRC){ pPage->xParseCell(pPage, pCell, &info); if( info.nLocalaDataEnd, pCell, pCell+info.nLocal) ){ + if( SQLITE_OVERFLOW(pSrc->aDataEnd, pCell, pCell+info.nLocal) ){ testcase( pSrc!=pPage ); *pRC = SQLITE_CORRUPT_BKPT; return; @@ -65902,14 +71103,14 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ unsigned char *src; /* Source of content */ int iCellFirst; /* First allowable cell index */ int iCellLast; /* Last possible cell index */ + int iCellStart; /* First cell offset in input */ assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( pPage->pBt!=0 ); assert( pPage->pBt->usableSize <= SQLITE_MAX_PAGE_SIZE ); assert( pPage->nOverflow==0 ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - temp = 0; - src = data = pPage->aData; + data = pPage->aData; hdr = pPage->hdrOffset; cellOffset = pPage->cellOffset; nCell = pPage->nCell; @@ -65943,7 +71144,7 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ if( iFree2+sz2 > usableSize ) return SQLITE_CORRUPT_PAGE(pPage); memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz)); sz += sz2; - }else if( NEVER(iFree+sz>usableSize) ){ + }else if( iFree+sz>usableSize ){ return SQLITE_CORRUPT_PAGE(pPage); } @@ -65962,41 +71163,39 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ cbrk = usableSize; iCellLast = usableSize - 4; - for(i=0; iiCellLast ){ - return SQLITE_CORRUPT_PAGE(pPage); - } - assert( pc>=iCellFirst && pc<=iCellLast ); - size = pPage->xCellSize(pPage, &src[pc]); - cbrk -= size; - if( cbrkusableSize ){ - return SQLITE_CORRUPT_PAGE(pPage); - } - assert( cbrk+size<=usableSize && cbrk>=iCellFirst ); - testcase( cbrk+size==usableSize ); - testcase( pc+size==usableSize ); - put2byte(pAddr, cbrk); - if( temp==0 ){ - int x; - if( cbrk==pc ) continue; - temp = sqlite3PagerTempSpace(pPage->pBt->pPager); - x = get2byte(&data[hdr+5]); - memcpy(&temp[x], &data[x], (cbrk+size) - x); - src = temp; + iCellStart = get2byte(&data[hdr+5]); + if( nCell>0 ){ + temp = sqlite3PagerTempSpace(pPage->pBt->pPager); + memcpy(temp, data, usableSize); + src = temp; + for(i=0; iiCellLast ){ + return SQLITE_CORRUPT_PAGE(pPage); + } + assert( pc>=0 && pc<=iCellLast ); + size = pPage->xCellSize(pPage, &src[pc]); + cbrk -= size; + if( cbrkusableSize ){ + return SQLITE_CORRUPT_PAGE(pPage); + } + assert( cbrk+size<=usableSize && cbrk>=iCellStart ); + testcase( cbrk+size==usableSize ); + testcase( pc+size==usableSize ); + put2byte(pAddr, cbrk); + memcpy(&data[cbrk], &src[pc], size); } - memcpy(&data[cbrk], &src[pc], size); } data[hdr+7] = 0; - defragment_out: +defragment_out: assert( pPage->nFree>=0 ); if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){ return SQLITE_CORRUPT_PAGE(pPage); @@ -66028,7 +71227,8 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ const int hdr = pPg->hdrOffset; /* Offset to page header */ u8 * const aData = pPg->aData; /* Page data */ int iAddr = hdr + 1; /* Address of ptr to pc */ - int pc = get2byte(&aData[iAddr]); /* Address of a free slot */ + u8 *pTmp = &aData[iAddr]; /* Temporary ptr into aData[] */ + int pc = get2byte(pTmp); /* Address of a free slot */ int x; /* Excess size of the slot */ int maxPC = pPg->pBt->usableSize - nByte; /* Max address for a usable slot */ int size; /* Size of the free slot */ @@ -66038,7 +71238,8 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each ** freeblock form a big-endian integer which is the size of the freeblock ** in bytes, including the 4-byte header. */ - size = get2byte(&aData[pc+2]); + pTmp = &aData[pc+2]; + size = get2byte(pTmp); if( (x = size - nByte)>=0 ){ testcase( x==4 ); testcase( x==3 ); @@ -66051,6 +71252,7 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ ** fragmented bytes within the page. */ memcpy(&aData[iAddr], &aData[pc], 2); aData[hdr+7] += (u8)x; + return &aData[pc]; }else if( x+pc > maxPC ){ /* This slot extends off the end of the usable part of the page */ *pRc = SQLITE_CORRUPT_PAGE(pPg); @@ -66063,10 +71265,11 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ return &aData[pc + x]; } iAddr = pc; - pc = get2byte(&aData[pc]); - if( pc<=iAddr+size ){ + pTmp = &aData[pc]; + pc = get2byte(pTmp); + if( pc<=iAddr ){ if( pc ){ - /* The next slot in the chain is not past the end of the current slot */ + /* The next slot in the chain comes before the current slot */ *pRc = SQLITE_CORRUPT_PAGE(pPg); } return 0; @@ -66092,11 +71295,12 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ ** allocation is being made in order to insert a new cell, so we will ** also end up needing a new cell pointer. */ -static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ +static SQLITE_INLINE int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ const int hdr = pPage->hdrOffset; /* Local cache of pPage->hdrOffset */ u8 * const data = pPage->aData; /* Local cache of pPage->aData */ int top; /* First byte of cell content area */ int rc = SQLITE_OK; /* Integer return code */ + u8 *pTmp; /* Temp ptr into data[] */ int gap; /* First byte of gap between cell pointers and cell content */ assert( sqlite3PagerIswriteable(pPage->pDbPage) ); @@ -66115,14 +71319,16 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ ** then the cell content offset of an empty page wants to be 65536. ** However, that integer is too large to be stored in a 2-byte unsigned ** integer, so a value of 0 is used in its place. */ - top = get2byte(&data[hdr+5]); - assert( top<=(int)pPage->pBt->usableSize ); /* by btreeComputeFreeSpace() */ + pTmp = &data[hdr+5]; + top = get2byte(pTmp); if( gap>top ){ if( top==0 && pPage->pBt->usableSize==65536 ){ top = 65536; }else{ return SQLITE_CORRUPT_PAGE(pPage); } + }else if( top>(int)pPage->pBt->usableSize ){ + return SQLITE_CORRUPT_PAGE(pPage); } /* If there is enough space between gap and top for one more cell pointer, @@ -66138,7 +71344,7 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ int g2; assert( pSpace+nByte<=data+pPage->pBt->usableSize ); *pIdx = g2 = (int)(pSpace-data); - if( NEVER(g2<=gap) ){ + if( g2<=gap ){ return SQLITE_CORRUPT_PAGE(pPage); }else{ return SQLITE_OK; @@ -66184,7 +71390,7 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ ** ** Even though the freeblock list was checked by btreeComputeFreeSpace(), ** that routine will not detect overlap between cells or freeblocks. Nor -** does it detect cells or freeblocks that encrouch into the reserved bytes +** does it detect cells or freeblocks that encroach into the reserved bytes ** at the end of the page. So do additional corruption checks inside this ** routine and return SQLITE_CORRUPT if any problems are found. */ @@ -66197,6 +71403,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ u16 x; /* Offset to cell content area */ u32 iEnd = iStart + iSize; /* First byte past the iStart buffer */ unsigned char *data = pPage->aData; /* Page content */ + u8 *pTmp; /* Temporary ptr into data[] */ assert( pPage->pBt!=0 ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); @@ -66204,7 +71411,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ - assert( iStart<=pPage->pBt->usableSize-4 ); + assert( CORRUPT_DB || iStart<=pPage->pBt->usableSize-4 ); /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. @@ -66215,7 +71422,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ iFreeBlk = 0; /* Shortcut for the case when the freelist is empty */ }else{ while( (iFreeBlk = get2byte(&data[iPtr]))pPage->pBt->usableSize-4 ){ /* TH3: corrupt081.100 */ return SQLITE_CORRUPT_PAGE(pPage); } - assert( iFreeBlk>iPtr || iFreeBlk==0 ); + assert( iFreeBlk>iPtr || iFreeBlk==0 || CORRUPT_DB ); /* At this point: ** iFreeBlk: First freeblock after iStart, or zero if none @@ -66259,7 +71466,13 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ if( nFrag>data[hdr+7] ) return SQLITE_CORRUPT_PAGE(pPage); data[hdr+7] -= nFrag; } - x = get2byte(&data[hdr+5]); + pTmp = &data[hdr+5]; + x = get2byte(pTmp); + if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ + /* Overwrite deleted information with zeros when the secure_delete + ** option is enabled */ + memset(&data[iStart], 0, iSize); + } if( iStart<=x ){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another @@ -66271,14 +71484,9 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ }else{ /* Insert the new freeblock into the freelist */ put2byte(&data[iPtr], iStart); + put2byte(&data[iStart], iFreeBlk); + put2byte(&data[iStart+2], iSize); } - if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ - /* Overwrite deleted information with zeros when the secure_delete - ** option is enabled */ - memset(&data[iStart], 0, iSize); - } - put2byte(&data[iStart], iFreeBlk); - put2byte(&data[iStart+2], iSize); pPage->nFree += iOrigSize; return SQLITE_OK; } @@ -66290,57 +71498,67 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ ** Only the following combinations are supported. Anything different ** indicates a corrupt database files: ** -** PTF_ZERODATA -** PTF_ZERODATA | PTF_LEAF -** PTF_LEAFDATA | PTF_INTKEY -** PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF +** PTF_ZERODATA (0x02, 2) +** PTF_LEAFDATA | PTF_INTKEY (0x05, 5) +** PTF_ZERODATA | PTF_LEAF (0x0a, 10) +** PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF (0x0d, 13) */ static int decodeFlags(MemPage *pPage, int flagByte){ BtShared *pBt; /* A copy of pPage->pBt */ assert( pPage->hdrOffset==(pPage->pgno==1 ? 100 : 0) ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - pPage->leaf = (u8)(flagByte>>3); assert( PTF_LEAF == 1<<3 ); - flagByte &= ~PTF_LEAF; - pPage->childPtrSize = 4-4*pPage->leaf; - pPage->xCellSize = cellSizePtr; pBt = pPage->pBt; - if( flagByte==(PTF_LEAFDATA | PTF_INTKEY) ){ - /* EVIDENCE-OF: R-07291-35328 A value of 5 (0x05) means the page is an - ** interior table b-tree page. */ - assert( (PTF_LEAFDATA|PTF_INTKEY)==5 ); - /* EVIDENCE-OF: R-26900-09176 A value of 13 (0x0d) means the page is a - ** leaf table b-tree page. */ - assert( (PTF_LEAFDATA|PTF_INTKEY|PTF_LEAF)==13 ); - pPage->intKey = 1; - if( pPage->leaf ){ + pPage->max1bytePayload = pBt->max1bytePayload; + if( flagByte>=(PTF_ZERODATA | PTF_LEAF) ){ + pPage->childPtrSize = 0; + pPage->leaf = 1; + if( flagByte==(PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF) ){ pPage->intKeyLeaf = 1; + pPage->xCellSize = cellSizePtrTableLeaf; pPage->xParseCell = btreeParseCellPtr; + pPage->intKey = 1; + pPage->maxLocal = pBt->maxLeaf; + pPage->minLocal = pBt->minLeaf; + }else if( flagByte==(PTF_ZERODATA | PTF_LEAF) ){ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtrIdxLeaf; + pPage->xParseCell = btreeParseCellPtrIndex; + pPage->maxLocal = pBt->maxLocal; + pPage->minLocal = pBt->minLocal; }else{ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtrIdxLeaf; + pPage->xParseCell = btreeParseCellPtrIndex; + return SQLITE_CORRUPT_PAGE(pPage); + } + }else{ + pPage->childPtrSize = 4; + pPage->leaf = 0; + if( flagByte==(PTF_ZERODATA) ){ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + pPage->maxLocal = pBt->maxLocal; + pPage->minLocal = pBt->minLocal; + }else if( flagByte==(PTF_LEAFDATA | PTF_INTKEY) ){ pPage->intKeyLeaf = 0; pPage->xCellSize = cellSizePtrNoPayload; pPage->xParseCell = btreeParseCellPtrNoPayload; + pPage->intKey = 1; + pPage->maxLocal = pBt->maxLeaf; + pPage->minLocal = pBt->minLeaf; + }else{ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + return SQLITE_CORRUPT_PAGE(pPage); } - pPage->maxLocal = pBt->maxLeaf; - pPage->minLocal = pBt->minLeaf; - }else if( flagByte==PTF_ZERODATA ){ - /* EVIDENCE-OF: R-43316-37308 A value of 2 (0x02) means the page is an - ** interior index b-tree page. */ - assert( (PTF_ZERODATA)==2 ); - /* EVIDENCE-OF: R-59615-42828 A value of 10 (0x0a) means the page is a - ** leaf index b-tree page. */ - assert( (PTF_ZERODATA|PTF_LEAF)==10 ); - pPage->intKey = 0; - pPage->intKeyLeaf = 0; - pPage->xParseCell = btreeParseCellPtrIndex; - pPage->maxLocal = pBt->maxLocal; - pPage->minLocal = pBt->minLocal; - }else{ - /* EVIDENCE-OF: R-47608-56469 Any other value for the b-tree page type is - ** an error. */ - return SQLITE_CORRUPT_PAGE(pPage); } - pPage->max1bytePayload = pBt->max1bytePayload; return SQLITE_OK; } @@ -66495,7 +71713,7 @@ static int btreeInitPage(MemPage *pPage){ pPage->nOverflow = 0; pPage->cellOffset = pPage->hdrOffset + 8 + pPage->childPtrSize; pPage->aCellIdx = data + pPage->childPtrSize + 8; - pPage->aDataEnd = pPage->aData + pBt->usableSize; + pPage->aDataEnd = pPage->aData + pBt->pageSize; pPage->aDataOfst = pPage->aData + pPage->childPtrSize; /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the ** number of cells on the page. */ @@ -66530,7 +71748,7 @@ static void zeroPage(MemPage *pPage, int flags){ u8 hdr = pPage->hdrOffset; u16 first; - assert( sqlite3PagerPagenumber(pPage->pDbPage)==pPage->pgno ); + assert( sqlite3PagerPagenumber(pPage->pDbPage)==pPage->pgno || CORRUPT_DB ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage) == data ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); @@ -66546,7 +71764,7 @@ static void zeroPage(MemPage *pPage, int flags){ pPage->nFree = (u16)(pBt->usableSize - first); decodeFlags(pPage, flags); pPage->cellOffset = first; - pPage->aDataEnd = &data[pBt->usableSize]; + pPage->aDataEnd = &data[pBt->pageSize]; pPage->aCellIdx = &data[first]; pPage->aDataOfst = &data[pPage->childPtrSize]; pPage->nOverflow = 0; @@ -66631,68 +71849,41 @@ SQLITE_PRIVATE Pgno sqlite3BtreeLastPage(Btree *p){ /* ** Get a page from the pager and initialize it. -** -** If pCur!=0 then the page is being fetched as part of a moveToChild() -** call. Do additional sanity checking on the page in this case. -** And if the fetch fails, this routine must decrement pCur->iPage. -** -** The page is fetched as read-write unless pCur is not NULL and is -** a read-only cursor. -** -** If an error occurs, then *ppPage is undefined. It -** may remain unchanged, or it may be set to an invalid value. */ static int getAndInitPage( BtShared *pBt, /* The database file */ Pgno pgno, /* Number of the page to get */ MemPage **ppPage, /* Write the page pointer here */ - BtCursor *pCur, /* Cursor to receive the page, or NULL */ int bReadOnly /* True for a read-only page */ ){ int rc; DbPage *pDbPage; + MemPage *pPage; assert( sqlite3_mutex_held(pBt->mutex) ); - assert( pCur==0 || ppPage==&pCur->pPage ); - assert( pCur==0 || bReadOnly==pCur->curPagerFlags ); - assert( pCur==0 || pCur->iPage>0 ); if( pgno>btreePagecount(pBt) ){ - rc = SQLITE_CORRUPT_BKPT; - goto getAndInitPage_error1; + *ppPage = 0; + return SQLITE_CORRUPT_BKPT; } rc = sqlite3PagerGet(pBt->pPager, pgno, (DbPage**)&pDbPage, bReadOnly); if( rc ){ - goto getAndInitPage_error1; + *ppPage = 0; + return rc; } - *ppPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); - if( (*ppPage)->isInit==0 ){ + pPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); + if( pPage->isInit==0 ){ btreePageFromDbPage(pDbPage, pgno, pBt); - rc = btreeInitPage(*ppPage); + rc = btreeInitPage(pPage); if( rc!=SQLITE_OK ){ - goto getAndInitPage_error2; + releasePage(pPage); + *ppPage = 0; + return rc; } } - assert( (*ppPage)->pgno==pgno ); - assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); - - /* If obtaining a child page for a cursor, we must verify that the page is - ** compatible with the root page. */ - if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ - rc = SQLITE_CORRUPT_PGNO(pgno); - goto getAndInitPage_error2; - } + assert( pPage->pgno==pgno || CORRUPT_DB ); + assert( pPage->aData==sqlite3PagerGetData(pDbPage) ); + *ppPage = pPage; return SQLITE_OK; - -getAndInitPage_error2: - releasePage(*ppPage); -getAndInitPage_error1: - if( pCur ){ - pCur->iPage--; - pCur->pPage = pCur->apPage[pCur->iPage]; - } - testcase( pgno==0 ); - assert( pgno!=0 || rc==SQLITE_CORRUPT ); - return rc; } /* @@ -66775,7 +71966,7 @@ static void pageReinit(DbPage *pData){ ** call to btreeInitPage() will likely return SQLITE_CORRUPT. ** But no harm is done by this. And it is very important that ** btreeInitPage() be called on every btree page so we make - ** the call for every page that comes in for re-initing. */ + ** the call for every page that comes in for re-initializing. */ btreeInitPage(pPage); } } @@ -66954,6 +72145,9 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( assert( sizeof(u16)==2 ); assert( sizeof(Pgno)==4 ); + /* Suppress false-positive compiler warning from PVS-Studio */ + memset(&zDbHeader[16], 0, 8); + pBt = sqlite3MallocZero( sizeof(*pBt) ); if( pBt==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -67088,7 +72282,7 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( ** do not change the pager-cache size. */ if( sqlite3BtreeSchema(p, 0, 0)==0 ){ - sqlite3PagerSetCachesize(p->pBt->pPager, SQLITE_DEFAULT_CACHE_SIZE); + sqlite3BtreeSetCacheSize(p, SQLITE_DEFAULT_CACHE_SIZE); } pFile = sqlite3PagerFile(pBt->pPager); @@ -67149,30 +72343,38 @@ static int removeFromSharingList(BtShared *pBt){ ** MX_CELL_SIZE(pBt) bytes with a 4-byte prefix for a left-child ** pointer. */ -static void allocateTempSpace(BtShared *pBt){ - if( !pBt->pTmpSpace ){ - pBt->pTmpSpace = sqlite3PageMalloc( pBt->pageSize ); - - /* One of the uses of pBt->pTmpSpace is to format cells before - ** inserting them into a leaf page (function fillInCell()). If - ** a cell is less than 4 bytes in size, it is rounded up to 4 bytes - ** by the various routines that manipulate binary cells. Which - ** can mean that fillInCell() only initializes the first 2 or 3 - ** bytes of pTmpSpace, but that the first 4 bytes are copied from - ** it into a database page. This is not actually a problem, but it - ** does cause a valgrind error when the 1 or 2 bytes of unitialized - ** data is passed to system call write(). So to avoid this error, - ** zero the first 4 bytes of temp space here. - ** - ** Also: Provide four bytes of initialized space before the - ** beginning of pTmpSpace as an area available to prepend the - ** left-child pointer to the beginning of a cell. - */ - if( pBt->pTmpSpace ){ - memset(pBt->pTmpSpace, 0, 8); - pBt->pTmpSpace += 4; - } +static SQLITE_NOINLINE int allocateTempSpace(BtShared *pBt){ + assert( pBt!=0 ); + assert( pBt->pTmpSpace==0 ); + /* This routine is called only by btreeCursor() when allocating the + ** first write cursor for the BtShared object */ + assert( pBt->pCursor!=0 && (pBt->pCursor->curFlags & BTCF_WriteFlag)!=0 ); + pBt->pTmpSpace = sqlite3PageMalloc( pBt->pageSize ); + if( pBt->pTmpSpace==0 ){ + BtCursor *pCur = pBt->pCursor; + pBt->pCursor = pCur->pNext; /* Unlink the cursor */ + memset(pCur, 0, sizeof(*pCur)); + return SQLITE_NOMEM_BKPT; } + + /* One of the uses of pBt->pTmpSpace is to format cells before + ** inserting them into a leaf page (function fillInCell()). If + ** a cell is less than 4 bytes in size, it is rounded up to 4 bytes + ** by the various routines that manipulate binary cells. Which + ** can mean that fillInCell() only initializes the first 2 or 3 + ** bytes of pTmpSpace, but that the first 4 bytes are copied from + ** it into a database page. This is not actually a problem, but it + ** does cause a valgrind error when the 1 or 2 bytes of uninitialized + ** data is passed to system call write(). So to avoid this error, + ** zero the first 4 bytes of temp space here. + ** + ** Also: Provide four bytes of initialized space before the + ** beginning of pTmpSpace as an area available to prepend the + ** left-child pointer to the beginning of a cell. + */ + memset(pBt->pTmpSpace, 0, 8); + pBt->pTmpSpace += 4; + return SQLITE_OK; } /* @@ -67191,19 +72393,23 @@ static void freeTempSpace(BtShared *pBt){ */ SQLITE_PRIVATE int sqlite3BtreeClose(Btree *p){ BtShared *pBt = p->pBt; - BtCursor *pCur; /* Close all cursors opened via this handle. */ assert( sqlite3_mutex_held(p->db->mutex) ); sqlite3BtreeEnter(p); - pCur = pBt->pCursor; - while( pCur ){ - BtCursor *pTmp = pCur; - pCur = pCur->pNext; - if( pTmp->pBtree==p ){ - sqlite3BtreeCloseCursor(pTmp); + + /* Verify that no other cursors have this Btree open */ +#ifdef SQLITE_DEBUG + { + BtCursor *pCur = pBt->pCursor; + while( pCur ){ + BtCursor *pTmp = pCur; + pCur = pCur->pNext; + assert( pTmp->pBtree!=p ); + } } +#endif /* Rollback any active transaction and free the handle structure. ** The call to sqlite3BtreeRollback() drops any table-locks held by @@ -67355,6 +72561,7 @@ SQLITE_PRIVATE int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, ((pageSize-1)&pageSize)==0 ){ assert( (pageSize & 7)==0 ); assert( !pBt->pCursor ); + if( nReserve>32 && pageSize==512 ) pageSize = 1024; pBt->pageSize = (u32)pageSize; freeTempSpace(pBt); } @@ -67392,7 +72599,7 @@ SQLITE_PRIVATE int sqlite3BtreeGetReserveNoMutex(Btree *p){ /* ** Return the number of bytes of space at the end of every page that -** are intentually left unused. This is the "reserved" space that is +** are intentionally left unused. This is the "reserved" space that is ** sometimes used by extensions. ** ** The value returned is the larger of the current reserve size and @@ -67546,7 +72753,6 @@ static int lockBtree(BtShared *pBt){ MemPage *pPage1; /* Page 1 of the database file */ u32 nPage; /* Number of pages in the database */ u32 nPageFile = 0; /* Number of pages in the database file */ - u32 nPageHeader; /* Number of pages in the database according to hdr */ assert( sqlite3_mutex_held(pBt->mutex) ); assert( pBt->pPage1==0 ); @@ -67558,7 +72764,7 @@ static int lockBtree(BtShared *pBt){ /* Do some checking to help insure the file we opened really is ** a valid database file. */ - nPage = nPageHeader = get4byte(28+(u8*)pPage1->aData); + nPage = get4byte(28+(u8*)pPage1->aData); sqlite3PagerPagecount(pBt->pPager, (int*)&nPageFile); if( nPage==0 || memcmp(24+(u8*)pPage1->aData, 92+(u8*)pPage1->aData,4)!=0 ){ nPage = nPageFile; @@ -67593,7 +72799,7 @@ static int lockBtree(BtShared *pBt){ goto page1_init_failed; } - /* If the write version is set to 2, this database should be accessed + /* If the read version is set to 2, this database should be accessed ** in WAL mode. If the log is not already open, open it now. Then ** return SQLITE_OK and return without populating BtShared.pPage1. ** The caller detects this and calls this function again. This is @@ -67640,7 +72846,6 @@ static int lockBtree(BtShared *pBt){ ){ goto page1_init_failed; } - pBt->btsFlags |= BTS_PAGESIZE_FIXED; assert( (pageSize & 7)==0 ); /* EVIDENCE-OF: R-59310-51205 The "reserved space" size in the 1-byte ** integer at offset 20 is the number of bytes of space at the end of @@ -67660,14 +72865,19 @@ static int lockBtree(BtShared *pBt){ releasePageOne(pPage1); pBt->usableSize = usableSize; pBt->pageSize = pageSize; + pBt->btsFlags |= BTS_PAGESIZE_FIXED; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); return rc; } - if( sqlite3WritableSchema(pBt->db)==0 && nPage>nPageFile ){ - rc = SQLITE_CORRUPT_BKPT; - goto page1_init_failed; + if( nPage>nPageFile ){ + if( sqlite3WritableSchema(pBt->db)==0 ){ + rc = SQLITE_CORRUPT_BKPT; + goto page1_init_failed; + }else{ + nPage = nPageFile; + } } /* EVIDENCE-OF: R-28312-64704 However, the usable size is not allowed to ** be less than 480. In other words, if the page size is 512, then the @@ -67675,6 +72885,7 @@ static int lockBtree(BtShared *pBt){ if( usableSize<480 ){ goto page1_init_failed; } + pBt->btsFlags |= BTS_PAGESIZE_FIXED; pBt->pageSize = pageSize; pBt->usableSize = usableSize; #ifndef SQLITE_OMIT_AUTOVACUUM @@ -67853,7 +73064,11 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ ** when A already has a read lock, we encourage A to give up and let B ** proceed. */ -SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ +static SQLITE_NOINLINE int btreeBeginTrans( + Btree *p, /* The btree in which to start the transaction */ + int wrflag, /* True to start a write transaction */ + int *pSchemaVersion /* Put schema version number here, if not NULL */ +){ BtShared *pBt = p->pBt; Pager *pPager = pBt->pPager; int rc = SQLITE_OK; @@ -68025,6 +73240,28 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers sqlite3BtreeLeave(p); return rc; } +SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ + BtShared *pBt; + if( p->sharable + || p->inTrans==TRANS_NONE + || (p->inTrans==TRANS_READ && wrflag!=0) + ){ + return btreeBeginTrans(p,wrflag,pSchemaVersion); + } + pBt = p->pBt; + if( pSchemaVersion ){ + *pSchemaVersion = get4byte(&pBt->pPage1->aData[40]); + } + if( wrflag ){ + /* This call makes sure that the pager has the correct number of + ** open savepoints. If the second parameter is greater than 0 and + ** the sub-journal is not already open, then it will be opened here. + */ + return sqlite3PagerOpenSavepoint(pBt->pPager, p->db->nSavepoint); + }else{ + return SQLITE_OK; + } +} #ifndef SQLITE_OMIT_AUTOVACUUM @@ -68111,6 +73348,9 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ } } }else{ + if( pCell+4 > pPage->aData+pPage->pBt->usableSize ){ + return SQLITE_CORRUPT_PAGE(pPage); + } if( get4byte(pCell)==iFrom ){ put4byte(pCell, iTo); break; @@ -68159,7 +73399,7 @@ static int relocatePage( if( iDbPage<3 ) return SQLITE_CORRUPT_BKPT; /* Move page iDbPage from its current location to page number iFreePage */ - TRACE(("AUTOVACUUM: Moving %d to free page %d (ptr page %d type %d)\n", + TRACE(("AUTOVACUUM: Moving %u to free page %u (ptr page %u type %u)\n", iDbPage, iFreePage, iPtrPage, eType)); rc = sqlite3PagerMovepage(pPager, pDbPage->pDbPage, iFreePage, isCommit); if( rc!=SQLITE_OK ){ @@ -68297,12 +73537,17 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg, int bCommit){ } do { MemPage *pFreePg; + Pgno dbSize = btreePagecount(pBt); rc = allocateBtreePage(pBt, &pFreePg, &iFreePg, iNear, eMode); if( rc!=SQLITE_OK ){ releasePage(pLastPg); return rc; } releasePage(pFreePg); + if( iFreePg>dbSize ){ + releasePage(pLastPg); + return SQLITE_CORRUPT_BKPT; + } }while( bCommit && iFreePg>nFin ); assert( iFreePgpPager; - VVA_ONLY( int nRef = sqlite3PagerRefcount(pPager); ) + Pager *pPager; + BtShared *pBt; + sqlite3 *db; + VVA_ONLY( int nRef ); + + assert( p!=0 ); + pBt = p->pBt; + pPager = pBt->pPager; + VVA_ONLY( nRef = sqlite3PagerRefcount(pPager); ) assert( sqlite3_mutex_held(pBt->mutex) ); invalidateAllOverflowCache(pBt); @@ -68408,6 +73655,7 @@ static int autoVacuumCommit(BtShared *pBt){ if( !pBt->incrVacuum ){ Pgno nFin; /* Number of pages in database after autovacuuming */ Pgno nFree; /* Number of pages on the freelist initially */ + Pgno nVac; /* Number of pages to vacuum */ Pgno iFree; /* The next page to be freed */ Pgno nOrig; /* Database size before freeing */ @@ -68421,18 +73669,42 @@ static int autoVacuumCommit(BtShared *pBt){ } nFree = get4byte(&pBt->pPage1->aData[36]); - nFin = finalDbSize(pBt, nOrig, nFree); + db = p->db; + if( db->xAutovacPages ){ + int iDb; + for(iDb=0; ALWAYS(iDbnDb); iDb++){ + if( db->aDb[iDb].pBt==p ) break; + } + nVac = db->xAutovacPages( + db->pAutovacPagesArg, + db->aDb[iDb].zDbSName, + nOrig, + nFree, + pBt->pageSize + ); + if( nVac>nFree ){ + nVac = nFree; + } + if( nVac==0 ){ + return SQLITE_OK; + } + }else{ + nVac = nFree; + } + nFin = finalDbSize(pBt, nOrig, nVac); if( nFin>nOrig ) return SQLITE_CORRUPT_BKPT; if( nFinnFin && rc==SQLITE_OK; iFree--){ - rc = incrVacuumStep(pBt, nFin, iFree, 1); + rc = incrVacuumStep(pBt, nFin, iFree, nVac==nFree); } if( (rc==SQLITE_DONE || rc==SQLITE_OK) && nFree>0 ){ rc = sqlite3PagerWrite(pBt->pPage1->pDbPage); - put4byte(&pBt->pPage1->aData[32], 0); - put4byte(&pBt->pPage1->aData[36], 0); + if( nVac==nFree ){ + put4byte(&pBt->pPage1->aData[32], 0); + put4byte(&pBt->pPage1->aData[36], 0); + } put4byte(&pBt->pPage1->aData[28], nFin); pBt->bDoTruncate = 1; pBt->nPage = nFin; @@ -68483,7 +73755,7 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zSuperJrnl){ sqlite3BtreeEnter(p); #ifndef SQLITE_OMIT_AUTOVACUUM if( pBt->autoVacuum ){ - rc = autoVacuumCommit(pBt); + rc = autoVacuumCommit(p); if( rc!=SQLITE_OK ){ sqlite3BtreeLeave(p); return rc; @@ -68584,7 +73856,7 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseTwo(Btree *p, int bCleanup){ sqlite3BtreeLeave(p); return rc; } - p->iDataVersion--; /* Compensate for pPager->iDataVersion++; */ + p->iBDataVersion--; /* Compensate for pPager->iDataVersion++; */ pBt->inTransaction = TRANS_READ; btreeClearHasContent(pBt); } @@ -68670,7 +73942,7 @@ static void btreeSetNPage(BtShared *pBt, MemPage *pPage1){ int nPage = get4byte(&pPage1->aData[28]); testcase( nPage==0 ); if( nPage==0 ) sqlite3PagerPagecount(pBt->pPager, &nPage); - testcase( pBt->nPage!=nPage ); + testcase( pBt->nPage!=(u32)nPage ); pBt->nPage = nPage; } @@ -68882,10 +74154,6 @@ static int btreeCursor( assert( pBt->pPage1 && pBt->pPage1->aData ); assert( wrFlag==0 || (pBt->btsFlags & BTS_READ_ONLY)==0 ); - if( wrFlag ){ - allocateTempSpace(pBt); - if( pBt->pTmpSpace==0 ) return SQLITE_NOMEM_BKPT; - } if( iTable<=1 ){ if( iTable<1 ){ return SQLITE_CORRUPT_BKPT; @@ -68902,19 +74170,25 @@ static int btreeCursor( pCur->pKeyInfo = pKeyInfo; pCur->pBtree = p; pCur->pBt = pBt; - pCur->curFlags = wrFlag ? BTCF_WriteFlag : 0; - pCur->curPagerFlags = wrFlag ? 0 : PAGER_GET_READONLY; + pCur->curFlags = 0; /* If there are two or more cursors on the same btree, then all such ** cursors *must* have the BTCF_Multiple flag set. */ for(pX=pBt->pCursor; pX; pX=pX->pNext){ if( pX->pgnoRoot==iTable ){ pX->curFlags |= BTCF_Multiple; - pCur->curFlags |= BTCF_Multiple; + pCur->curFlags = BTCF_Multiple; } } + pCur->eState = CURSOR_INVALID; pCur->pNext = pBt->pCursor; pBt->pCursor = pCur; - pCur->eState = CURSOR_INVALID; + if( wrFlag ){ + pCur->curFlags |= BTCF_WriteFlag; + pCur->curPagerFlags = 0; + if( pBt->pTmpSpace==0 ) return allocateTempSpace(pBt); + }else{ + pCur->curPagerFlags = PAGER_GET_READONLY; + } return SQLITE_OK; } static int btreeCursorWithLock( @@ -68994,7 +74268,14 @@ SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor *pCur){ unlockBtreeIfUnused(pBt); sqlite3_free(pCur->aOverflow); sqlite3_free(pCur->pKey); - sqlite3BtreeLeave(pBtree); + if( (pBt->openFlags & BTREE_SINGLE) && pBt->pCursor==0 ){ + /* Since the BtShared is not sharable, there is no need to + ** worry about the missing sqlite3BtreeLeave() call here. */ + assert( pBtree->sharable==0 ); + sqlite3BtreeClose(pBtree); + }else{ + sqlite3BtreeLeave(pBtree); + } pCur->pBtree = 0; } return SQLITE_OK; @@ -69076,7 +74357,6 @@ SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor *pCur){ pCur->curFlags &= ~BTCF_Pinned; } -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC /* ** Return the offset into the database file for the start of the ** payload to which the cursor is pointing. @@ -69088,7 +74368,6 @@ SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor *pCur){ return (i64)pCur->pBt->pageSize*((i64)pCur->pPage->pgno - 1) + (i64)(pCur->info.pPayload - pCur->pPage->aData); } -#endif /* SQLITE_ENABLE_OFFSET_SQL_FUNC */ /* ** Return the number of bytes of payload for the entry that pCur is @@ -69114,7 +74393,7 @@ SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor *pCur){ ** routine always returns 2147483647 (which is the largest record ** that SQLite can handle) or more. But returning a smaller value might ** prevent large memory allocations when trying to interpret a -** corrupt datrabase. +** corrupt database. ** ** The current implementation merely returns the size of the underlying ** database file. @@ -69281,7 +74560,9 @@ static int accessPayload( assert( pPage ); assert( eOp==0 || eOp==1 ); assert( pCur->eState==CURSOR_VALID ); - assert( pCur->ixnCell ); + if( pCur->ix>=pPage->nCell ){ + return SQLITE_CORRUPT_PAGE(pPage); + } assert( cursorHoldsMutex(pCur) ); getCellInfo(pCur); @@ -69468,7 +74749,6 @@ SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor *pCur, u32 offset, u32 amt, void assert( cursorHoldsMutex(pCur) ); assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPage>=0 && pCur->pPage ); - assert( pCur->ixpPage->nCell ); return accessPayload(pCur, offset, amt, (unsigned char*)pBuf, 0); } @@ -69530,7 +74810,7 @@ static const void *fetchPayload( assert( pCur->eState==CURSOR_VALID ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); assert( cursorOwnsBtShared(pCur) ); - assert( pCur->ixpPage->nCell ); + assert( pCur->ixpPage->nCell || CORRUPT_DB ); assert( pCur->info.nSize>0 ); assert( pCur->info.pPayload>pCur->pPage->aData || CORRUPT_DB ); assert( pCur->info.pPayloadpPage->aDataEnd ||CORRUPT_DB); @@ -69575,8 +74855,7 @@ SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor *pCur, u32 *pAmt){ ** vice-versa). */ static int moveToChild(BtCursor *pCur, u32 newPgno){ - BtShared *pBt = pCur->pBt; - + int rc; assert( cursorOwnsBtShared(pCur) ); assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPageapPage[pCur->iPage] = pCur->pPage; pCur->ix = 0; pCur->iPage++; - return getAndInitPage(pBt, newPgno, &pCur->pPage, pCur, pCur->curPagerFlags); + rc = getAndInitPage(pCur->pBt, newPgno, &pCur->pPage, pCur->curPagerFlags); + assert( pCur->pPage!=0 || rc!=SQLITE_OK ); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(newPgno); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + } + return rc; } #ifdef SQLITE_DEBUG @@ -69681,7 +74971,7 @@ static int moveToRoot(BtCursor *pCur){ while( --pCur->iPage ){ releasePageNotNull(pCur->apPage[pCur->iPage]); } - pCur->pPage = pCur->apPage[0]; + pRoot = pCur->pPage = pCur->apPage[0]; goto skip_init; } }else if( pCur->pgnoRoot==0 ){ @@ -69696,8 +74986,8 @@ static int moveToRoot(BtCursor *pCur){ } sqlite3BtreeClearCursor(pCur); } - rc = getAndInitPage(pCur->pBtree->pBt, pCur->pgnoRoot, &pCur->pPage, - 0, pCur->curPagerFlags); + rc = getAndInitPage(pCur->pBt, pCur->pgnoRoot, &pCur->pPage, + pCur->curPagerFlags); if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; @@ -69706,7 +74996,7 @@ static int moveToRoot(BtCursor *pCur){ pCur->curIntKey = pCur->pPage->intKey; } pRoot = pCur->pPage; - assert( pRoot->pgno==pCur->pgnoRoot ); + assert( pRoot->pgno==pCur->pgnoRoot || CORRUPT_DB ); /* If pCur->pKeyInfo is not NULL, then the caller that opened this cursor ** expected to open it on an index b-tree. Otherwise, if pKeyInfo is @@ -69728,7 +75018,6 @@ static int moveToRoot(BtCursor *pCur){ pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidNKey|BTCF_ValidOvfl); - pRoot = pCur->pPage; if( pRoot->nCell>0 ){ pCur->eState = CURSOR_VALID; }else if( !pRoot->leaf ){ @@ -69810,7 +75099,7 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ *pRes = 0; rc = moveToLeftmost(pCur); }else if( rc==SQLITE_EMPTY ){ - assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + assert( pCur->pgnoRoot==0 || (pCur->pPage!=0 && pCur->pPage->nCell==0) ); *pRes = 1; rc = SQLITE_OK; } @@ -69821,9 +75110,25 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ ** on success. Set *pRes to 0 if the cursor actually points to something ** or set *pRes to 1 if the table is empty. */ +static SQLITE_NOINLINE int btreeLast(BtCursor *pCur, int *pRes){ + int rc = moveToRoot(pCur); + if( rc==SQLITE_OK ){ + assert( pCur->eState==CURSOR_VALID ); + *pRes = 0; + rc = moveToRightmost(pCur); + if( rc==SQLITE_OK ){ + pCur->curFlags |= BTCF_AtLast; + }else{ + pCur->curFlags &= ~BTCF_AtLast; + } + }else if( rc==SQLITE_EMPTY ){ + assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + *pRes = 1; + rc = SQLITE_OK; + } + return rc; +} SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ - int rc; - assert( cursorOwnsBtShared(pCur) ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); @@ -69836,37 +75141,19 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ for(ii=0; iiiPage; ii++){ assert( pCur->aiIdx[ii]==pCur->apPage[ii]->nCell ); } - assert( pCur->ix==pCur->pPage->nCell-1 ); + assert( pCur->ix==pCur->pPage->nCell-1 || CORRUPT_DB ); + testcase( pCur->ix!=pCur->pPage->nCell-1 ); + /* ^-- dbsqlfuzz b92b72e4de80b5140c30ab71372ca719b8feb618 */ assert( pCur->pPage->leaf ); #endif *pRes = 0; return SQLITE_OK; } - - rc = moveToRoot(pCur); - if( rc==SQLITE_OK ){ - assert( pCur->eState==CURSOR_VALID ); - *pRes = 0; - rc = moveToRightmost(pCur); - if( rc==SQLITE_OK ){ - pCur->curFlags |= BTCF_AtLast; - }else{ - pCur->curFlags &= ~BTCF_AtLast; - } - }else if( rc==SQLITE_EMPTY ){ - assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); - *pRes = 1; - rc = SQLITE_OK; - } - return rc; + return btreeLast(pCur, pRes); } -/* Move the cursor so that it points to an entry near the key -** specified by pIdxKey or intKey. Return a success code. -** -** For INTKEY tables, the intKey parameter is used. pIdxKey -** must be NULL. For index tables, pIdxKey is used and intKey -** is ignored. +/* Move the cursor so that it points to an entry in a table (a.k.a INTKEY) +** table near the key intKey. Return a success code. ** ** If an exact match is not found, then the cursor is always ** left pointing at a leaf page which would hold the entry if it @@ -69879,39 +75166,32 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ ** *pRes is as follows: ** ** *pRes<0 The cursor is left pointing at an entry that -** is smaller than intKey/pIdxKey or if the table is empty +** is smaller than intKey or if the table is empty ** and the cursor is therefore left point to nothing. ** ** *pRes==0 The cursor is left pointing at an entry that -** exactly matches intKey/pIdxKey. +** exactly matches intKey. ** ** *pRes>0 The cursor is left pointing at an entry that -** is larger than intKey/pIdxKey. -** -** For index tables, the pIdxKey->eqSeen field is set to 1 if there -** exists an entry in the table that exactly matches pIdxKey. +** is larger than intKey. */ -SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( +SQLITE_PRIVATE int sqlite3BtreeTableMoveto( BtCursor *pCur, /* The cursor to be moved */ - UnpackedRecord *pIdxKey, /* Unpacked index key */ i64 intKey, /* The table key */ int biasRight, /* If true, bias the search to the high end */ int *pRes /* Write search results here */ ){ int rc; - RecordCompare xRecordCompare; assert( cursorOwnsBtShared(pCur) ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); assert( pRes ); - assert( (pIdxKey==0)==(pCur->pKeyInfo==0) ); - assert( pCur->eState!=CURSOR_VALID || (pIdxKey==0)==(pCur->curIntKey!=0) ); + assert( pCur->pKeyInfo==0 ); + assert( pCur->eState!=CURSOR_VALID || pCur->curIntKey!=0 ); /* If the cursor is already positioned at the point we are trying ** to move to, then just return without doing any work */ - if( pIdxKey==0 - && pCur->eState==CURSOR_VALID && (pCur->curFlags & BTCF_ValidNKey)!=0 - ){ + if( pCur->eState==CURSOR_VALID && (pCur->curFlags & BTCF_ValidNKey)!=0 ){ if( pCur->info.nKey==intKey ){ *pRes = 0; return SQLITE_OK; @@ -69924,7 +75204,7 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer - ** is still obtained without this case, only a little more slowely */ + ** is still obtained without this case, only a little more slowly. */ if( pCur->info.nKey+1==intKey ){ *pRes = 0; rc = sqlite3BtreeNext(pCur, 0); @@ -69933,25 +75213,16 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( if( pCur->info.nKey==intKey ){ return SQLITE_OK; } - }else if( rc==SQLITE_DONE ){ - rc = SQLITE_OK; - }else{ + }else if( rc!=SQLITE_DONE ){ return rc; } } } } - if( pIdxKey ){ - xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); - pIdxKey->errCode = 0; - assert( pIdxKey->default_rc==1 - || pIdxKey->default_rc==0 - || pIdxKey->default_rc==-1 - ); - }else{ - xRecordCompare = 0; /* All keys are integers */ - } +#ifdef SQLITE_DEBUG + pCur->pBtree->nSeek++; /* Performance measurement during testing */ +#endif rc = moveToRoot(pCur); if( rc ){ @@ -69967,7 +75238,8 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( assert( pCur->eState==CURSOR_VALID ); assert( pCur->pPage->nCell > 0 ); assert( pCur->iPage==0 || pCur->apPage[0]->intKey==pCur->curIntKey ); - assert( pCur->curIntKey || pIdxKey ); + assert( pCur->curIntKey ); + for(;;){ int lwr, upr, idx, c; Pgno chldPg; @@ -69981,144 +75253,55 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( ** be the right kind (index or table) of b-tree page. Otherwise ** a moveToChild() or moveToRoot() call would have detected corruption. */ assert( pPage->nCell>0 ); - assert( pPage->intKey==(pIdxKey==0) ); + assert( pPage->intKey ); lwr = 0; upr = pPage->nCell-1; assert( biasRight==0 || biasRight==1 ); idx = upr>>(1-biasRight); /* idx = biasRight ? upr : (lwr+upr)/2; */ - pCur->ix = (u16)idx; - if( xRecordCompare==0 ){ - for(;;){ - i64 nCellKey; - pCell = findCellPastPtr(pPage, idx); - if( pPage->intKeyLeaf ){ - while( 0x80 <= *(pCell++) ){ - if( pCell>=pPage->aDataEnd ){ - return SQLITE_CORRUPT_PAGE(pPage); - } - } - } - getVarint(pCell, (u64*)&nCellKey); - if( nCellKeyupr ){ c = -1; break; } - }else if( nCellKey>intKey ){ - upr = idx-1; - if( lwr>upr ){ c = +1; break; } - }else{ - assert( nCellKey==intKey ); - pCur->ix = (u16)idx; - if( !pPage->leaf ){ - lwr = idx; - goto moveto_next_layer; - }else{ - pCur->curFlags |= BTCF_ValidNKey; - pCur->info.nKey = nCellKey; - pCur->info.nSize = 0; - *pRes = 0; - return SQLITE_OK; + for(;;){ + i64 nCellKey; + pCell = findCellPastPtr(pPage, idx); + if( pPage->intKeyLeaf ){ + while( 0x80 <= *(pCell++) ){ + if( pCell>=pPage->aDataEnd ){ + return SQLITE_CORRUPT_PAGE(pPage); } } - assert( lwr+upr>=0 ); - idx = (lwr+upr)>>1; /* idx = (lwr+upr)/2; */ } - }else{ - for(;;){ - int nCell; /* Size of the pCell cell in bytes */ - pCell = findCellPastPtr(pPage, idx); - - /* The maximum supported page-size is 65536 bytes. This means that - ** the maximum number of record bytes stored on an index B-Tree - ** page is less than 16384 bytes and may be stored as a 2-byte - ** varint. This information is used to attempt to avoid parsing - ** the entire cell by checking for the cases where the record is - ** stored entirely within the b-tree page by inspecting the first - ** 2 bytes of the cell. - */ - nCell = pCell[0]; - if( nCell<=pPage->max1bytePayload ){ - /* This branch runs if the record-size field of the cell is a - ** single byte varint and the record fits entirely on the main - ** b-tree page. */ - testcase( pCell+nCell+1==pPage->aDataEnd ); - c = xRecordCompare(nCell, (void*)&pCell[1], pIdxKey); - }else if( !(pCell[1] & 0x80) - && (nCell = ((nCell&0x7f)<<7) + pCell[1])<=pPage->maxLocal - ){ - /* The record-size field is a 2 byte varint and the record - ** fits entirely on the main b-tree page. */ - testcase( pCell+nCell+2==pPage->aDataEnd ); - c = xRecordCompare(nCell, (void*)&pCell[2], pIdxKey); - }else{ - /* The record flows over onto one or more overflow pages. In - ** this case the whole cell needs to be parsed, a buffer allocated - ** and accessPayload() used to retrieve the record into the - ** buffer before VdbeRecordCompare() can be called. - ** - ** If the record is corrupt, the xRecordCompare routine may read - ** up to two varints past the end of the buffer. An extra 18 - ** bytes of padding is allocated at the end of the buffer in - ** case this happens. */ - void *pCellKey; - u8 * const pCellBody = pCell - pPage->childPtrSize; - const int nOverrun = 18; /* Size of the overrun padding */ - pPage->xParseCell(pPage, pCellBody, &pCur->info); - nCell = (int)pCur->info.nKey; - testcase( nCell<0 ); /* True if key size is 2^32 or more */ - testcase( nCell==0 ); /* Invalid key size: 0x80 0x80 0x00 */ - testcase( nCell==1 ); /* Invalid key size: 0x80 0x80 0x01 */ - testcase( nCell==2 ); /* Minimum legal index key size */ - if( nCell<2 || nCell/pCur->pBt->usableSize>pCur->pBt->nPage ){ - rc = SQLITE_CORRUPT_PAGE(pPage); - goto moveto_finish; - } - pCellKey = sqlite3Malloc( nCell+nOverrun ); - if( pCellKey==0 ){ - rc = SQLITE_NOMEM_BKPT; - goto moveto_finish; - } - pCur->ix = (u16)idx; - rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0); - memset(((u8*)pCellKey)+nCell,0,nOverrun); /* Fix uninit warnings */ - pCur->curFlags &= ~BTCF_ValidOvfl; - if( rc ){ - sqlite3_free(pCellKey); - goto moveto_finish; - } - c = sqlite3VdbeRecordCompare(nCell, pCellKey, pIdxKey); - sqlite3_free(pCellKey); - } - assert( - (pIdxKey->errCode!=SQLITE_CORRUPT || c==0) - && (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed) - ); - if( c<0 ){ - lwr = idx+1; - }else if( c>0 ){ - upr = idx-1; + getVarint(pCell, (u64*)&nCellKey); + if( nCellKeyupr ){ c = -1; break; } + }else if( nCellKey>intKey ){ + upr = idx-1; + if( lwr>upr ){ c = +1; break; } + }else{ + assert( nCellKey==intKey ); + pCur->ix = (u16)idx; + if( !pPage->leaf ){ + lwr = idx; + goto moveto_table_next_layer; }else{ - assert( c==0 ); + pCur->curFlags |= BTCF_ValidNKey; + pCur->info.nKey = nCellKey; + pCur->info.nSize = 0; *pRes = 0; - rc = SQLITE_OK; - pCur->ix = (u16)idx; - if( pIdxKey->errCode ) rc = SQLITE_CORRUPT_BKPT; - goto moveto_finish; + return SQLITE_OK; } - if( lwr>upr ) break; - assert( lwr+upr>=0 ); - idx = (lwr+upr)>>1; /* idx = (lwr+upr)/2 */ } + assert( lwr+upr>=0 ); + idx = (lwr+upr)>>1; /* idx = (lwr+upr)/2; */ } - assert( lwr==upr+1 || (pPage->intKey && !pPage->leaf) ); + assert( lwr==upr+1 || !pPage->leaf ); assert( pPage->isInit ); if( pPage->leaf ){ assert( pCur->ixpPage->nCell ); pCur->ix = (u16)idx; *pRes = c; rc = SQLITE_OK; - goto moveto_finish; + goto moveto_table_finish; } -moveto_next_layer: +moveto_table_next_layer: if( lwr>=pPage->nCell ){ chldPg = get4byte(&pPage->aData[pPage->hdrOffset+8]); }else{ @@ -70128,7 +75311,326 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( rc = moveToChild(pCur, chldPg); if( rc ) break; } -moveto_finish: +moveto_table_finish: + pCur->info.nSize = 0; + assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); + return rc; +} + +/* +** Compare the "idx"-th cell on the page the cursor pCur is currently +** pointing to to pIdxKey using xRecordCompare. Return negative or +** zero if the cell is less than or equal pIdxKey. Return positive +** if unknown. +** +** Return value negative: Cell at pCur[idx] less than pIdxKey +** +** Return value is zero: Cell at pCur[idx] equals pIdxKey +** +** Return value positive: Nothing is known about the relationship +** of the cell at pCur[idx] and pIdxKey. +** +** This routine is part of an optimization. It is always safe to return +** a positive value as that will cause the optimization to be skipped. +*/ +static int indexCellCompare( + BtCursor *pCur, + int idx, + UnpackedRecord *pIdxKey, + RecordCompare xRecordCompare +){ + MemPage *pPage = pCur->pPage; + int c; + int nCell; /* Size of the pCell cell in bytes */ + u8 *pCell = findCellPastPtr(pPage, idx); + + nCell = pCell[0]; + if( nCell<=pPage->max1bytePayload ){ + /* This branch runs if the record-size field of the cell is a + ** single byte varint and the record fits entirely on the main + ** b-tree page. */ + testcase( pCell+nCell+1==pPage->aDataEnd ); + c = xRecordCompare(nCell, (void*)&pCell[1], pIdxKey); + }else if( !(pCell[1] & 0x80) + && (nCell = ((nCell&0x7f)<<7) + pCell[1])<=pPage->maxLocal + ){ + /* The record-size field is a 2 byte varint and the record + ** fits entirely on the main b-tree page. */ + testcase( pCell+nCell+2==pPage->aDataEnd ); + c = xRecordCompare(nCell, (void*)&pCell[2], pIdxKey); + }else{ + /* If the record extends into overflow pages, do not attempt + ** the optimization. */ + c = 99; + } + return c; +} + +/* +** Return true (non-zero) if pCur is current pointing to the last +** page of a table. +*/ +static int cursorOnLastPage(BtCursor *pCur){ + int i; + assert( pCur->eState==CURSOR_VALID ); + for(i=0; iiPage; i++){ + MemPage *pPage = pCur->apPage[i]; + if( pCur->aiIdx[i]nCell ) return 0; + } + return 1; +} + +/* Move the cursor so that it points to an entry in an index table +** near the key pIdxKey. Return a success code. +** +** If an exact match is not found, then the cursor is always +** left pointing at a leaf page which would hold the entry if it +** were present. The cursor might point to an entry that comes +** before or after the key. +** +** An integer is written into *pRes which is the result of +** comparing the key with the entry to which the cursor is +** pointing. The meaning of the integer written into +** *pRes is as follows: +** +** *pRes<0 The cursor is left pointing at an entry that +** is smaller than pIdxKey or if the table is empty +** and the cursor is therefore left point to nothing. +** +** *pRes==0 The cursor is left pointing at an entry that +** exactly matches pIdxKey. +** +** *pRes>0 The cursor is left pointing at an entry that +** is larger than pIdxKey. +** +** The pIdxKey->eqSeen field is set to 1 if there +** exists an entry in the table that exactly matches pIdxKey. +*/ +SQLITE_PRIVATE int sqlite3BtreeIndexMoveto( + BtCursor *pCur, /* The cursor to be moved */ + UnpackedRecord *pIdxKey, /* Unpacked index key */ + int *pRes /* Write search results here */ +){ + int rc; + RecordCompare xRecordCompare; + + assert( cursorOwnsBtShared(pCur) ); + assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); + assert( pRes ); + assert( pCur->pKeyInfo!=0 ); + +#ifdef SQLITE_DEBUG + pCur->pBtree->nSeek++; /* Performance measurement during testing */ +#endif + + xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); + pIdxKey->errCode = 0; + assert( pIdxKey->default_rc==1 + || pIdxKey->default_rc==0 + || pIdxKey->default_rc==-1 + ); + + + /* Check to see if we can skip a lot of work. Two cases: + ** + ** (1) If the cursor is already pointing to the very last cell + ** in the table and the pIdxKey search key is greater than or + ** equal to that last cell, then no movement is required. + ** + ** (2) If the cursor is on the last page of the table and the first + ** cell on that last page is less than or equal to the pIdxKey + ** search key, then we can start the search on the current page + ** without needing to go back to root. + */ + if( pCur->eState==CURSOR_VALID + && pCur->pPage->leaf + && cursorOnLastPage(pCur) + ){ + int c; + if( pCur->ix==pCur->pPage->nCell-1 + && (c = indexCellCompare(pCur, pCur->ix, pIdxKey, xRecordCompare))<=0 + && pIdxKey->errCode==SQLITE_OK + ){ + *pRes = c; + return SQLITE_OK; /* Cursor already pointing at the correct spot */ + } + if( pCur->iPage>0 + && indexCellCompare(pCur, 0, pIdxKey, xRecordCompare)<=0 + && pIdxKey->errCode==SQLITE_OK + ){ + pCur->curFlags &= ~BTCF_ValidOvfl; + if( !pCur->pPage->isInit ){ + return SQLITE_CORRUPT_BKPT; + } + goto bypass_moveto_root; /* Start search on the current page */ + } + pIdxKey->errCode = SQLITE_OK; + } + + rc = moveToRoot(pCur); + if( rc ){ + if( rc==SQLITE_EMPTY ){ + assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + *pRes = -1; + return SQLITE_OK; + } + return rc; + } + +bypass_moveto_root: + assert( pCur->pPage ); + assert( pCur->pPage->isInit ); + assert( pCur->eState==CURSOR_VALID ); + assert( pCur->pPage->nCell > 0 ); + assert( pCur->curIntKey==0 ); + assert( pIdxKey!=0 ); + for(;;){ + int lwr, upr, idx, c; + Pgno chldPg; + MemPage *pPage = pCur->pPage; + u8 *pCell; /* Pointer to current cell in pPage */ + + /* pPage->nCell must be greater than zero. If this is the root-page + ** the cursor would have been INVALID above and this for(;;) loop + ** not run. If this is not the root-page, then the moveToChild() routine + ** would have already detected db corruption. Similarly, pPage must + ** be the right kind (index or table) of b-tree page. Otherwise + ** a moveToChild() or moveToRoot() call would have detected corruption. */ + assert( pPage->nCell>0 ); + assert( pPage->intKey==0 ); + lwr = 0; + upr = pPage->nCell-1; + idx = upr>>1; /* idx = (lwr+upr)/2; */ + for(;;){ + int nCell; /* Size of the pCell cell in bytes */ + pCell = findCellPastPtr(pPage, idx); + + /* The maximum supported page-size is 65536 bytes. This means that + ** the maximum number of record bytes stored on an index B-Tree + ** page is less than 16384 bytes and may be stored as a 2-byte + ** varint. This information is used to attempt to avoid parsing + ** the entire cell by checking for the cases where the record is + ** stored entirely within the b-tree page by inspecting the first + ** 2 bytes of the cell. + */ + nCell = pCell[0]; + if( nCell<=pPage->max1bytePayload ){ + /* This branch runs if the record-size field of the cell is a + ** single byte varint and the record fits entirely on the main + ** b-tree page. */ + testcase( pCell+nCell+1==pPage->aDataEnd ); + c = xRecordCompare(nCell, (void*)&pCell[1], pIdxKey); + }else if( !(pCell[1] & 0x80) + && (nCell = ((nCell&0x7f)<<7) + pCell[1])<=pPage->maxLocal + ){ + /* The record-size field is a 2 byte varint and the record + ** fits entirely on the main b-tree page. */ + testcase( pCell+nCell+2==pPage->aDataEnd ); + c = xRecordCompare(nCell, (void*)&pCell[2], pIdxKey); + }else{ + /* The record flows over onto one or more overflow pages. In + ** this case the whole cell needs to be parsed, a buffer allocated + ** and accessPayload() used to retrieve the record into the + ** buffer before VdbeRecordCompare() can be called. + ** + ** If the record is corrupt, the xRecordCompare routine may read + ** up to two varints past the end of the buffer. An extra 18 + ** bytes of padding is allocated at the end of the buffer in + ** case this happens. */ + void *pCellKey; + u8 * const pCellBody = pCell - pPage->childPtrSize; + const int nOverrun = 18; /* Size of the overrun padding */ + pPage->xParseCell(pPage, pCellBody, &pCur->info); + nCell = (int)pCur->info.nKey; + testcase( nCell<0 ); /* True if key size is 2^32 or more */ + testcase( nCell==0 ); /* Invalid key size: 0x80 0x80 0x00 */ + testcase( nCell==1 ); /* Invalid key size: 0x80 0x80 0x01 */ + testcase( nCell==2 ); /* Minimum legal index key size */ + if( nCell<2 || nCell/pCur->pBt->usableSize>pCur->pBt->nPage ){ + rc = SQLITE_CORRUPT_PAGE(pPage); + goto moveto_index_finish; + } + pCellKey = sqlite3Malloc( nCell+nOverrun ); + if( pCellKey==0 ){ + rc = SQLITE_NOMEM_BKPT; + goto moveto_index_finish; + } + pCur->ix = (u16)idx; + rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0); + memset(((u8*)pCellKey)+nCell,0,nOverrun); /* Fix uninit warnings */ + pCur->curFlags &= ~BTCF_ValidOvfl; + if( rc ){ + sqlite3_free(pCellKey); + goto moveto_index_finish; + } + c = sqlite3VdbeRecordCompare(nCell, pCellKey, pIdxKey); + sqlite3_free(pCellKey); + } + assert( + (pIdxKey->errCode!=SQLITE_CORRUPT || c==0) + && (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed) + ); + if( c<0 ){ + lwr = idx+1; + }else if( c>0 ){ + upr = idx-1; + }else{ + assert( c==0 ); + *pRes = 0; + rc = SQLITE_OK; + pCur->ix = (u16)idx; + if( pIdxKey->errCode ) rc = SQLITE_CORRUPT_BKPT; + goto moveto_index_finish; + } + if( lwr>upr ) break; + assert( lwr+upr>=0 ); + idx = (lwr+upr)>>1; /* idx = (lwr+upr)/2 */ + } + assert( lwr==upr+1 || (pPage->intKey && !pPage->leaf) ); + assert( pPage->isInit ); + if( pPage->leaf ){ + assert( pCur->ixpPage->nCell || CORRUPT_DB ); + pCur->ix = (u16)idx; + *pRes = c; + rc = SQLITE_OK; + goto moveto_index_finish; + } + if( lwr>=pPage->nCell ){ + chldPg = get4byte(&pPage->aData[pPage->hdrOffset+8]); + }else{ + chldPg = get4byte(findCell(pPage, lwr)); + } + + /* This block is similar to an in-lined version of: + ** + ** pCur->ix = (u16)lwr; + ** rc = moveToChild(pCur, chldPg); + ** if( rc ) break; + */ + pCur->info.nSize = 0; + pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); + if( pCur->iPage>=(BTCURSOR_MAX_DEPTH-1) ){ + return SQLITE_CORRUPT_BKPT; + } + pCur->aiIdx[pCur->iPage] = (u16)lwr; + pCur->apPage[pCur->iPage] = pCur->pPage; + pCur->ix = 0; + pCur->iPage++; + rc = getAndInitPage(pCur->pBt, chldPg, &pCur->pPage, pCur->curPagerFlags); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(chldPg); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + break; + } + /* + ***** End of in-lined moveToChild() call */ + } +moveto_index_finish: pCur->info.nSize = 0; assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); return rc; @@ -70218,27 +75720,11 @@ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ pPage = pCur->pPage; idx = ++pCur->ix; + if( sqlite3FaultSim(412) ) pPage->isInit = 0; if( !pPage->isInit ){ - /* The only known way for this to happen is for there to be a - ** recursive SQL function that does a DELETE operation as part of a - ** SELECT which deletes content out from under an active cursor - ** in a corrupt database file where the table being DELETE-ed from - ** has pages in common with the table being queried. See TH3 - ** module cov1/btree78.test testcase 220 (2018-06-08) for an - ** example. */ return SQLITE_CORRUPT_BKPT; } - /* If the database file is corrupt, it is possible for the value of idx - ** to be invalid here. This can only occur if a second cursor modifies - ** the page while cursor pCur is holding a reference to it. Which can - ** only happen if the database is corrupt in such a way as to link the - ** page into more than one b-tree structure. - ** - ** Update 2019-12-23: appears to long longer be possible after the - ** addition of anotherValidCursor() condition on balance_deeper(). */ - harmless( idx>pPage->nCell ); - if( idx>=pPage->nCell ){ if( !pPage->leaf ){ rc = moveToChild(pCur, get4byte(&pPage->aData[pPage->hdrOffset+8])); @@ -70411,8 +75897,8 @@ static int allocateBtreePage( assert( eMode==BTALLOC_ANY || (nearby>0 && IfNotOmitAV(pBt->autoVacuum)) ); pPage1 = pBt->pPage1; mxPage = btreePagecount(pBt); - /* EVIDENCE-OF: R-05119-02637 The 4-byte big-endian integer at offset 36 - ** stores stores the total number of pages on the freelist. */ + /* EVIDENCE-OF: R-21003-45125 The 4-byte big-endian integer at offset 36 + ** stores the total number of pages on the freelist. */ n = get4byte(&pPage1->aData[36]); testcase( n==mxPage-1 ); if( n>=mxPage ){ @@ -70498,7 +75984,7 @@ static int allocateBtreePage( memcpy(&pPage1->aData[32], &pTrunk->aData[0], 4); *ppPage = pTrunk; pTrunk = 0; - TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); + TRACE(("ALLOCATE: %u trunk - %u free pages left\n", *pPgno, n-1)); }else if( k>(u32)(pBt->usableSize/4 - 2) ){ /* Value of k is out of range. Database corruption */ rc = SQLITE_CORRUPT_PGNO(iTrunk); @@ -70564,7 +76050,7 @@ static int allocateBtreePage( } } pTrunk = 0; - TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); + TRACE(("ALLOCATE: %u trunk - %u free pages left\n", *pPgno, n-1)); #endif }else if( k>0 ){ /* Extract a leaf from the trunk */ @@ -70599,7 +76085,7 @@ static int allocateBtreePage( iPage = get4byte(&aData[8+closest*4]); testcase( iPage==mxPage ); - if( iPage>mxPage ){ + if( iPage>mxPage || iPage<2 ){ rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } @@ -70609,8 +76095,8 @@ static int allocateBtreePage( ){ int noContent; *pPgno = iPage; - TRACE(("ALLOCATE: %d was leaf %d of %d on trunk %d" - ": %d more free pages\n", + TRACE(("ALLOCATE: %u was leaf %u of %u on trunk %u" + ": %u more free pages\n", *pPgno, closest+1, k, pTrunk->pgno, n-1)); rc = sqlite3PagerWrite(pTrunk->pDbPage); if( rc ) goto end_allocate_page; @@ -70666,7 +76152,7 @@ static int allocateBtreePage( ** becomes a new pointer-map page, the second is used by the caller. */ MemPage *pPg = 0; - TRACE(("ALLOCATE: %d from end of file (pointer-map page)\n", pBt->nPage)); + TRACE(("ALLOCATE: %u from end of file (pointer-map page)\n", pBt->nPage)); assert( pBt->nPage!=PENDING_BYTE_PAGE(pBt) ); rc = btreeGetUnusedPage(pBt, pBt->nPage, &pPg, bNoContent); if( rc==SQLITE_OK ){ @@ -70689,7 +76175,7 @@ static int allocateBtreePage( releasePage(*ppPage); *ppPage = 0; } - TRACE(("ALLOCATE: %d from end of file\n", *pPgno)); + TRACE(("ALLOCATE: %u from end of file\n", *pPgno)); } assert( CORRUPT_DB || *pPgno!=PENDING_BYTE_PAGE(pBt) ); @@ -70757,7 +76243,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ /* If the database supports auto-vacuum, write an entry in the pointer-map ** to indicate that the page is free. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, iPage, PTRMAP_FREEPAGE, 0, &rc); if( rc ) goto freepage_out; } @@ -70817,7 +76303,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ } rc = btreeSetHasContent(pBt, iPage); } - TRACE(("FREE-PAGE: %d leaf on trunk page %d\n",pPage->pgno,pTrunk->pgno)); + TRACE(("FREE-PAGE: %u leaf on trunk page %u\n",pPage->pgno,pTrunk->pgno)); goto freepage_out; } } @@ -70838,7 +76324,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ put4byte(pPage->aData, iTrunk); put4byte(&pPage->aData[4], 0); put4byte(&pPage1->aData[32], iPage); - TRACE(("FREE-PAGE: %d new trunk page replacing %d\n", pPage->pgno, iTrunk)); + TRACE(("FREE-PAGE: %u new trunk page replacing %u\n", pPage->pgno, iTrunk)); freepage_out: if( pPage ){ @@ -70855,10 +76341,9 @@ static void freePage(MemPage *pPage, int *pRC){ } /* -** Free any overflow pages associated with the given Cell. Store -** size information about the cell in pInfo. +** Free the overflow pages associated with the given Cell. */ -static int clearCell( +static SQLITE_NOINLINE int clearCellOverflow( MemPage *pPage, /* The page that contains the Cell */ unsigned char *pCell, /* First byte of the Cell */ CellInfo *pInfo /* Size information about the cell */ @@ -70870,10 +76355,7 @@ static int clearCell( u32 ovflPageSize; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - pPage->xParseCell(pPage, pCell, pInfo); - if( pInfo->nLocal==pInfo->nPayload ){ - return SQLITE_OK; /* No overflow pages. Return without doing anything */ - } + assert( pInfo->nLocal!=pInfo->nPayload ); testcase( pCell + pInfo->nSize == pPage->aDataEnd ); testcase( pCell + (pInfo->nSize-1) == pPage->aDataEnd ); if( pCell + pInfo->nSize > pPage->aDataEnd ){ @@ -70929,6 +76411,21 @@ static int clearCell( return SQLITE_OK; } +/* Call xParseCell to compute the size of a cell. If the cell contains +** overflow, then invoke cellClearOverflow to clear out that overflow. +** Store the result code (SQLITE_OK or some error code) in rc. +** +** Implemented as macro to force inlining for performance. +*/ +#define BTREE_CLEAR_CELL(rc, pPage, pCell, sInfo) \ + pPage->xParseCell(pPage, pCell, &sInfo); \ + if( sInfo.nLocal!=sInfo.nPayload ){ \ + rc = clearCellOverflow(pPage, pCell, &sInfo); \ + }else{ \ + rc = SQLITE_OK; \ + } + + /* ** Create the byte sequence used to represent a cell on page pPage ** and write that byte sequence into pCell[]. Overflow pages are @@ -71139,16 +76636,18 @@ static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ int hdr; /* Beginning of the header. 0 most pages. 100 page 1 */ if( *pRC ) return; - assert( idx>=0 && idxnCell ); + assert( idx>=0 ); + assert( idxnCell ); assert( CORRUPT_DB || sz==cellSize(pPage, idx) ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( pPage->nFree>=0 ); data = pPage->aData; ptr = &pPage->aCellIdx[2*idx]; + assert( pPage->pBt->usableSize > (u32)(ptr-data) ); pc = get2byte(ptr); hdr = pPage->hdrOffset; - testcase( pc==get2byte(&data[hdr+5]) ); + testcase( pc==(u32)get2byte(&data[hdr+5]) ); testcase( pc+sz==pPage->pBt->usableSize ); if( pc+sz > pPage->pBt->usableSize ){ *pRC = SQLITE_CORRUPT_BKPT; @@ -71185,23 +76684,27 @@ static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ ** Allocating a new entry in pPage->aCell[] implies that ** pPage->nOverflow is incremented. ** -** *pRC must be SQLITE_OK when this routine is called. +** The insertCellFast() routine below works exactly the same as +** insertCell() except that it lacks the pTemp and iChild parameters +** which are assumed zero. Other than that, the two routines are the +** same. +** +** Fixes or enhancements to this routine should be reflected in +** insertCellFast()! */ -static void insertCell( +static int insertCell( MemPage *pPage, /* Page into which we are copying */ int i, /* New cell becomes the i-th cell of the page */ u8 *pCell, /* Content of the new cell */ int sz, /* Bytes of content in pCell */ u8 *pTemp, /* Temp storage space for pCell, if needed */ - Pgno iChild, /* If non-zero, replace first 4 bytes with this value */ - int *pRC /* Read and write return code from here */ + Pgno iChild /* If non-zero, replace first 4 bytes with this value */ ){ int idx = 0; /* Where to write new cell content in data[] */ int j; /* Loop counter */ u8 *data; /* The content of the whole page */ u8 *pIns; /* The point in pPage->aCellIdx[] where no cell inserted */ - assert( *pRC==SQLITE_OK ); assert( i>=0 && i<=pPage->nCell+pPage->nOverflow ); assert( MX_CELL(pPage->pBt)<=10921 ); assert( pPage->nCell<=MX_CELL(pPage->pBt) || CORRUPT_DB ); @@ -71210,14 +76713,103 @@ static void insertCell( assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sz==pPage->xCellSize(pPage, pCell) || CORRUPT_DB ); assert( pPage->nFree>=0 ); + assert( iChild>0 ); if( pPage->nOverflow || sz+2>pPage->nFree ){ if( pTemp ){ memcpy(pTemp, pCell, sz); pCell = pTemp; } - if( iChild ){ - put4byte(pCell, iChild); + put4byte(pCell, iChild); + j = pPage->nOverflow++; + /* Comparison against ArraySize-1 since we hold back one extra slot + ** as a contingency. In other words, never need more than 3 overflow + ** slots but 4 are allocated, just to be safe. */ + assert( j < ArraySize(pPage->apOvfl)-1 ); + pPage->apOvfl[j] = pCell; + pPage->aiOvfl[j] = (u16)i; + + /* When multiple overflows occur, they are always sequential and in + ** sorted order. This invariants arise because multiple overflows can + ** only occur when inserting divider cells into the parent page during + ** balancing, and the dividers are adjacent and sorted. + */ + assert( j==0 || pPage->aiOvfl[j-1]<(u16)i ); /* Overflows in sorted order */ + assert( j==0 || i==pPage->aiOvfl[j-1]+1 ); /* Overflows are sequential */ + }else{ + int rc = sqlite3PagerWrite(pPage->pDbPage); + if( NEVER(rc!=SQLITE_OK) ){ + return rc; + } + assert( sqlite3PagerIswriteable(pPage->pDbPage) ); + data = pPage->aData; + assert( &data[pPage->cellOffset]==pPage->aCellIdx ); + rc = allocateSpace(pPage, sz, &idx); + if( rc ){ return rc; } + /* The allocateSpace() routine guarantees the following properties + ** if it returns successfully */ + assert( idx >= 0 ); + assert( idx >= pPage->cellOffset+2*pPage->nCell+2 || CORRUPT_DB ); + assert( idx+sz <= (int)pPage->pBt->usableSize ); + pPage->nFree -= (u16)(2 + sz); + /* In a corrupt database where an entry in the cell index section of + ** a btree page has a value of 3 or less, the pCell value might point + ** as many as 4 bytes in front of the start of the aData buffer for + ** the source page. Make sure this does not cause problems by not + ** reading the first 4 bytes */ + memcpy(&data[idx+4], pCell+4, sz-4); + put4byte(&data[idx], iChild); + pIns = pPage->aCellIdx + i*2; + memmove(pIns+2, pIns, 2*(pPage->nCell - i)); + put2byte(pIns, idx); + pPage->nCell++; + /* increment the cell count */ + if( (++data[pPage->hdrOffset+4])==0 ) data[pPage->hdrOffset+3]++; + assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell || CORRUPT_DB ); +#ifndef SQLITE_OMIT_AUTOVACUUM + if( pPage->pBt->autoVacuum ){ + int rc2 = SQLITE_OK; + /* The cell may contain a pointer to an overflow page. If so, write + ** the entry for the overflow page into the pointer map. + */ + ptrmapPutOvflPtr(pPage, pPage, pCell, &rc2); + if( rc2 ) return rc2; } +#endif + } + return SQLITE_OK; +} + +/* +** This variant of insertCell() assumes that the pTemp and iChild +** parameters are both zero. Use this variant in sqlite3BtreeInsert() +** for performance improvement, and also so that this variant is only +** called from that one place, and is thus inlined, and thus runs must +** faster. +** +** Fixes or enhancements to this routine should be reflected into +** the insertCell() routine. +*/ +static int insertCellFast( + MemPage *pPage, /* Page into which we are copying */ + int i, /* New cell becomes the i-th cell of the page */ + u8 *pCell, /* Content of the new cell */ + int sz /* Bytes of content in pCell */ +){ + int idx = 0; /* Where to write new cell content in data[] */ + int j; /* Loop counter */ + u8 *data; /* The content of the whole page */ + u8 *pIns; /* The point in pPage->aCellIdx[] where no cell inserted */ + + assert( i>=0 && i<=pPage->nCell+pPage->nOverflow ); + assert( MX_CELL(pPage->pBt)<=10921 ); + assert( pPage->nCell<=MX_CELL(pPage->pBt) || CORRUPT_DB ); + assert( pPage->nOverflow<=ArraySize(pPage->apOvfl) ); + assert( ArraySize(pPage->apOvfl)==ArraySize(pPage->aiOvfl) ); + assert( sqlite3_mutex_held(pPage->pBt->mutex) ); + assert( sz==pPage->xCellSize(pPage, pCell) || CORRUPT_DB ); + assert( pPage->nFree>=0 ); + assert( pPage->nOverflow==0 ); + if( sz+2>pPage->nFree ){ j = pPage->nOverflow++; /* Comparison against ArraySize-1 since we hold back one extra slot ** as a contingency. In other words, never need more than 3 overflow @@ -71236,31 +76828,20 @@ static void insertCell( }else{ int rc = sqlite3PagerWrite(pPage->pDbPage); if( rc!=SQLITE_OK ){ - *pRC = rc; - return; + return rc; } assert( sqlite3PagerIswriteable(pPage->pDbPage) ); data = pPage->aData; assert( &data[pPage->cellOffset]==pPage->aCellIdx ); rc = allocateSpace(pPage, sz, &idx); - if( rc ){ *pRC = rc; return; } + if( rc ){ return rc; } /* The allocateSpace() routine guarantees the following properties ** if it returns successfully */ assert( idx >= 0 ); assert( idx >= pPage->cellOffset+2*pPage->nCell+2 || CORRUPT_DB ); assert( idx+sz <= (int)pPage->pBt->usableSize ); pPage->nFree -= (u16)(2 + sz); - if( iChild ){ - /* In a corrupt database where an entry in the cell index section of - ** a btree page has a value of 3 or less, the pCell value might point - ** as many as 4 bytes in front of the start of the aData buffer for - ** the source page. Make sure this does not cause problems by not - ** reading the first 4 bytes */ - memcpy(&data[idx+4], pCell+4, sz-4); - put4byte(&data[idx], iChild); - }else{ - memcpy(&data[idx], pCell, sz); - } + memcpy(&data[idx], pCell, sz); pIns = pPage->aCellIdx + i*2; memmove(pIns+2, pIns, 2*(pPage->nCell - i)); put2byte(pIns, idx); @@ -71270,13 +76851,16 @@ static void insertCell( assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell || CORRUPT_DB ); #ifndef SQLITE_OMIT_AUTOVACUUM if( pPage->pBt->autoVacuum ){ + int rc2 = SQLITE_OK; /* The cell may contain a pointer to an overflow page. If so, write ** the entry for the overflow page into the pointer map. */ - ptrmapPutOvflPtr(pPage, pPage, pCell, pRC); + ptrmapPutOvflPtr(pPage, pPage, pCell, &rc2); + if( rc2 ) return rc2; } #endif } + return SQLITE_OK; } /* @@ -71377,14 +76961,16 @@ struct CellArray { ** computed. */ static void populateCellCache(CellArray *p, int idx, int N){ + MemPage *pRef = p->pRef; + u16 *szCell = p->szCell; assert( idx>=0 && idx+N<=p->nCell ); while( N>0 ){ assert( p->apCell[idx]!=0 ); - if( p->szCell[idx]==0 ){ - p->szCell[idx] = p->pRef->xCellSize(p->pRef, p->apCell[idx]); + if( szCell[idx]==0 ){ + szCell[idx] = pRef->xCellSize(pRef, p->apCell[idx]); }else{ assert( CORRUPT_DB || - p->szCell[idx]==p->pRef->xCellSize(p->pRef, p->apCell[idx]) ); + szCell[idx]==pRef->xCellSize(pRef, p->apCell[idx]) ); } idx++; N--; @@ -71443,7 +77029,7 @@ static int rebuildPage( if( NEVER(j>(u32)usableSize) ){ j = 0; } memcpy(&pTmp[j], &aData[j], usableSize - j); - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i; k++){} pSrcEnd = pCArray->apEnd[k]; pData = pEnd; @@ -71451,7 +77037,7 @@ static int rebuildPage( u8 *pCell = pCArray->apCell[i]; u16 sz = pCArray->szCell[i]; assert( sz>0 ); - if( SQLITE_WITHIN(pCell,aData,pEnd) ){ + if( SQLITE_WITHIN(pCell,aData+j,pEnd) ){ if( ((uptr)(pCell+sz))>(uptr)pEnd ) return SQLITE_CORRUPT_BKPT; pCell = &pTmp[pCell - aData]; }else if( (uptr)(pCell+sz)>(uptr)pSrcEnd @@ -71464,9 +77050,8 @@ static int rebuildPage( put2byte(pCellptr, (pData - aData)); pCellptr += 2; if( pData < pCellptr ) return SQLITE_CORRUPT_BKPT; - memcpy(pData, pCell, sz); + memmove(pData, pCell, sz); assert( sz==pPg->xCellSize(pPg, pCell) || CORRUPT_DB ); - testcase( sz!=pPg->xCellSize(pPg,pCell) ) i++; if( i>=iEnd ) break; if( pCArray->ixNx[k]<=i ){ @@ -71507,7 +77092,7 @@ static int rebuildPage( ** Finally, argument pBegin points to the byte immediately following the ** end of the space required by this page for the cell-pointer area (for ** all cells - not just those inserted by the current call). If the content -** area must be extended to before this point in order to accomodate all +** area must be extended to before this point in order to accommodate all ** cells in apCell[], then the cells do not fit and non-zero is returned. */ static int pageInsertArray( @@ -71527,7 +77112,7 @@ static int pageInsertArray( u8 *pEnd; /* Maximum extent of cell data */ assert( CORRUPT_DB || pPg->hdrOffset==0 ); /* Never called on page 1 */ if( iEnd<=iFirst ) return 0; - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i ; k++){} pEnd = pCArray->apEnd[k]; while( 1 /*Exit by break*/ ){ int sz, rc; @@ -71585,37 +77170,50 @@ static int pageFreeArray( u8 * const pEnd = &aData[pPg->pBt->usableSize]; u8 * const pStart = &aData[pPg->hdrOffset + 8 + pPg->childPtrSize]; int nRet = 0; - int i; + int i, j; int iEnd = iFirst + nCell; - u8 *pFree = 0; - int szFree = 0; + int nFree = 0; + int aOfst[10]; + int aAfter[10]; for(i=iFirst; iapCell[i]; if( SQLITE_WITHIN(pCell, pStart, pEnd) ){ int sz; + int iAfter; + int iOfst; /* No need to use cachedCellSize() here. The sizes of all cells that ** are to be freed have already been computing while deciding which ** cells need freeing */ sz = pCArray->szCell[i]; assert( sz>0 ); - if( pFree!=(pCell + sz) ){ - if( pFree ){ - assert( pFree>aData && (pFree - aData)<65536 ); - freeSpace(pPg, (u16)(pFree - aData), szFree); - } - pFree = pCell; - szFree = sz; - if( pFree+sz>pEnd ) return 0; - }else{ - pFree = pCell; - szFree += sz; + iOfst = (u16)(pCell - aData); + iAfter = iOfst+sz; + for(j=0; j=nFree ){ + if( nFree>=(int)(sizeof(aOfst)/sizeof(aOfst[0])) ){ + for(j=0; jpEnd ) return 0; + nFree++; } nRet++; } } - if( pFree ){ - assert( pFree>aData && (pFree - aData)<65536 ); - freeSpace(pPg, (u16)(pFree - aData), szFree); + for(j=0; jpPg->aDataEnd) ) goto editpage_fail; /* Add cells to the start of the page */ if( iNewpgno, &rc); if( szCell>pNew->minLocal ){ ptrmapPutOvflPtr(pNew, pNew, pCell, &rc); @@ -71841,8 +77440,8 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ /* Insert the new divider cell into pParent. */ if( rc==SQLITE_OK ){ - insertCell(pParent, pParent->nCell, pSpace, (int)(pOut-pSpace), - 0, pPage->pgno, &rc); + rc = insertCell(pParent, pParent->nCell, pSpace, (int)(pOut-pSpace), + 0, pPage->pgno); } /* Set the right-child pointer of pParent to point to the new page. */ @@ -71951,7 +77550,7 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ /* If this is an auto-vacuum database, update the pointer-map entries ** for any b-tree or overflow pages that pTo now contains the pointers to. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ *pRC = setChildPtrmaps(pTo); } } @@ -72029,13 +77628,10 @@ static int balance_nonroot( Pgno pgno; /* Temp var to store a page number in */ u8 abDone[NB+2]; /* True after i'th new page is populated */ Pgno aPgno[NB+2]; /* Page numbers of new pages before shuffling */ - Pgno aPgOrder[NB+2]; /* Copy of aPgno[] used for sorting pages */ - u16 aPgFlags[NB+2]; /* flags field of new pages before shuffling */ - CellArray b; /* Parsed information on cells being balanced */ + CellArray b; /* Parsed information on cells being balanced */ memset(abDone, 0, sizeof(abDone)); - b.nCell = 0; - b.apCell = 0; + memset(&b, 0, sizeof(b)); pBt = pParent->pBt; assert( sqlite3_mutex_held(pBt->mutex) ); assert( sqlite3PagerIswriteable(pParent->pDbPage) ); @@ -72086,7 +77682,9 @@ static int balance_nonroot( } pgno = get4byte(pRight); while( 1 ){ - rc = getAndInitPage(pBt, pgno, &apOld[i], 0, 0); + if( rc==SQLITE_OK ){ + rc = getAndInitPage(pBt, pgno, &apOld[i], 0); + } if( rc ){ memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; @@ -72098,6 +77696,7 @@ static int balance_nonroot( goto balance_cleanup; } } + nMaxCells += apOld[i]->nCell + ArraySize(pParent->apOvfl); if( (i--)==0 ) break; if( pParent->nOverflow && i+nxDiv==pParent->aiOvfl[0] ){ @@ -72125,12 +77724,10 @@ static int balance_nonroot( if( pBt->btsFlags & BTS_FAST_SECURE ){ int iOff; + /* If the following if() condition is not true, the db is corrupted. + ** The call to dropCell() below will detect this. */ iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData); - if( (iOff+szNew[i])>(int)pBt->usableSize ){ - rc = SQLITE_CORRUPT_BKPT; - memset(apOld, 0, (i+1)*sizeof(MemPage*)); - goto balance_cleanup; - }else{ + if( (iOff+szNew[i])<=(int)pBt->usableSize ){ memcpy(&aOvflSpace[iOff], apDiv[i], szNew[i]); apDiv[i] = &aOvflSpace[apDiv[i]-pParent->aData]; } @@ -72141,7 +77738,6 @@ static int balance_nonroot( /* Make nMaxCells a multiple of 4 in order to preserve 8-byte ** alignment */ - nMaxCells = nOld*(MX_CELL(pBt) + ArraySize(pParent->apOvfl)); nMaxCells = (nMaxCells + 3)&~3; /* @@ -72258,7 +77854,7 @@ static int balance_nonroot( b.szCell[b.nCell] = b.szCell[b.nCell] - leafCorrection; if( !pOld->leaf ){ assert( leafCorrection==0 ); - assert( pOld->hdrOffset==0 ); + assert( pOld->hdrOffset==0 || CORRUPT_DB ); /* The right pointer of the child page pOld becomes the left ** pointer of the divider cell */ memcpy(b.apCell[b.nCell], &pOld->aData[8], 4); @@ -72378,15 +77974,17 @@ static int balance_nonroot( d = r + 1 - leafData; (void)cachedCellSize(&b, d); do{ + int szR, szD; assert( d szLeft-(b.szCell[r]+(i==k-1?0:2)))){ + && (bBulk || szRight+szD+2 > szLeft-(szR+(i==k-1?0:2)))){ break; } - szRight += b.szCell[d] + 2; - szLeft -= b.szCell[r] + 2; + szRight += szD + 2; + szLeft -= szR + 2; cntNew[i-1] = r; r--; d--; @@ -72399,7 +77997,7 @@ static int balance_nonroot( } } - /* Sanity check: For a non-corrupt database file one of the follwing + /* Sanity check: For a non-corrupt database file one of the following ** must be true: ** (1) We found one or more cells (cntNew[0])>0), or ** (2) pPage is a virtual root page. A virtual root page is when @@ -72407,7 +78005,7 @@ static int balance_nonroot( ** that page. */ assert( cntNew[0]>0 || (pParent->pgno==1 && pParent->nCell==0) || CORRUPT_DB); - TRACE(("BALANCE: old: %d(nc=%d) %d(nc=%d) %d(nc=%d)\n", + TRACE(("BALANCE: old: %u(nc=%u) %u(nc=%u) %u(nc=%u)\n", apOld[0]->pgno, apOld[0]->nCell, nOld>=2 ? apOld[1]->pgno : 0, nOld>=2 ? apOld[1]->nCell : 0, nOld>=3 ? apOld[2]->pgno : 0, nOld>=3 ? apOld[2]->nCell : 0 @@ -72424,6 +78022,11 @@ static int balance_nonroot( apOld[i] = 0; rc = sqlite3PagerWrite(pNew->pDbPage); nNew++; + if( sqlite3PagerPageRefcount(pNew->pDbPage)!=1+(i==(iParentIdx-nxDiv)) + && rc==SQLITE_OK + ){ + rc = SQLITE_CORRUPT_BKPT; + } if( rc ) goto balance_cleanup; }else{ assert( i>0 ); @@ -72435,7 +78038,7 @@ static int balance_nonroot( cntOld[i] = b.nCell; /* Set the pointer-map entry for the new sibling page. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, pNew->pgno, PTRMAP_BTREE, pParent->pgno, &rc); if( rc!=SQLITE_OK ){ goto balance_cleanup; @@ -72450,47 +78053,44 @@ static int balance_nonroot( ** of the table is closer to a linear scan through the file. That in turn ** helps the operating system to deliver pages from the disk more rapidly. ** - ** An O(n^2) insertion sort algorithm is used, but since n is never more - ** than (NB+2) (a small constant), that should not be a problem. + ** An O(N*N) sort algorithm is used, but since N is never more than NB+2 + ** (5), that is not a performance concern. ** ** When NB==3, this one optimization makes the database about 25% faster ** for large insertions and deletions. */ for(i=0; ipgno; - aPgFlags[i] = apNew[i]->pDbPage->flags; - for(j=0; jpgno; + assert( apNew[i]->pDbPage->flags & PGHDR_WRITEABLE ); + assert( apNew[i]->pDbPage->flags & PGHDR_DIRTY ); } - for(i=0; ii ){ - sqlite3PagerRekey(apNew[iBest]->pDbPage, pBt->nPage+iBest+1, 0); - } - sqlite3PagerRekey(apNew[i]->pDbPage, pgno, aPgFlags[iBest]); - apNew[i]->pgno = pgno; + for(i=0; ipgno < apNew[iB]->pgno ) iB = j; } - } - TRACE(("BALANCE: new: %d(%d nc=%d) %d(%d nc=%d) %d(%d nc=%d) " - "%d(%d nc=%d) %d(%d nc=%d)\n", + /* If apNew[i] has a page number that is bigger than any of the + ** subsequence apNew[i] entries, then swap apNew[i] with the subsequent + ** entry that has the smallest page number (which we know to be + ** entry apNew[iB]). + */ + if( iB!=i ){ + Pgno pgnoA = apNew[i]->pgno; + Pgno pgnoB = apNew[iB]->pgno; + Pgno pgnoTemp = (PENDING_BYTE/pBt->pageSize)+1; + u16 fgA = apNew[i]->pDbPage->flags; + u16 fgB = apNew[iB]->pDbPage->flags; + sqlite3PagerRekey(apNew[i]->pDbPage, pgnoTemp, fgB); + sqlite3PagerRekey(apNew[iB]->pDbPage, pgnoA, fgA); + sqlite3PagerRekey(apNew[i]->pDbPage, pgnoB, fgB); + apNew[i]->pgno = pgnoB; + apNew[iB]->pgno = pgnoA; + } + } + + TRACE(("BALANCE: new: %u(%u nc=%u) %u(%u nc=%u) %u(%u nc=%u) " + "%u(%u nc=%u) %u(%u nc=%u)\n", apNew[0]->pgno, szNew[0], cntNew[0], nNew>=2 ? apNew[1]->pgno : 0, nNew>=2 ? szNew[1] : 0, nNew>=2 ? cntNew[1] - cntNew[0] - !leafData : 0, @@ -72531,7 +78131,7 @@ static int balance_nonroot( ** updated. This happens below, after the sibling pages have been ** populated, not here. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ MemPage *pOld; MemPage *pNew = pOld = apNew[0]; int cntOldNext = pNew->nCell + pNew->nOverflow; @@ -72578,6 +78178,7 @@ static int balance_nonroot( u8 *pCell; u8 *pTemp; int sz; + u8 *pSrcEnd; MemPage *pNew = apNew[i]; j = cntNew[i]; @@ -72621,7 +78222,13 @@ static int balance_nonroot( iOvflSpace += sz; assert( sz<=pBt->maxLocal+23 ); assert( iOvflSpace <= (int)pBt->pageSize ); - insertCell(pParent, nxDiv+i, pCell, sz, pTemp, pNew->pgno, &rc); + for(k=0; ALWAYS(kpgno); if( rc!=SQLITE_OK ) goto balance_cleanup; assert( sqlite3PagerIswriteable(pParent->pDbPage) ); } @@ -72651,6 +78258,8 @@ static int balance_nonroot( for(i=1-nNew; i=0 && iPg=1 || i>=0 ); + assert( iPg=0 /* On the upwards pass, or... */ || cntOld[iPg-1]>=cntNew[iPg-1] /* Condition (1) is true */ @@ -72717,7 +78326,7 @@ static int balance_nonroot( ); copyNodeContent(apNew[0], pParent, &rc); freePage(apNew[0], &rc); - }else if( ISAUTOVACUUM && !leafCorrection ){ + }else if( ISAUTOVACUUM(pBt) && !leafCorrection ){ /* Fix the pointer map entries associated with the right-child of each ** sibling page. All other pointer map entries have already been taken ** care of. */ @@ -72728,7 +78337,7 @@ static int balance_nonroot( } assert( pParent->isInit ); - TRACE(("BALANCE: finished: old=%d new=%d cells=%d\n", + TRACE(("BALANCE: finished: old=%u new=%u cells=%u\n", nOld, nNew, b.nCell)); /* Free any old pages that were not reused as new pages. @@ -72738,7 +78347,7 @@ static int balance_nonroot( } #if 0 - if( ISAUTOVACUUM && rc==SQLITE_OK && apNew[0]->isInit ){ + if( ISAUTOVACUUM(pBt) && rc==SQLITE_OK && apNew[0]->isInit ){ /* The ptrmapCheckPages() contains assert() statements that verify that ** all pointer map pages are set correctly. This is helpful while ** debugging. This is usually disabled because a corrupt database may @@ -72800,7 +78409,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ if( rc==SQLITE_OK ){ rc = allocateBtreePage(pBt,&pChild,&pgnoChild,pRoot->pgno,0); copyNodeContent(pRoot, pChild, &rc); - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, pgnoChild, PTRMAP_BTREE, pRoot->pgno, &rc); } } @@ -72813,7 +78422,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ assert( sqlite3PagerIswriteable(pRoot->pDbPage) ); assert( pChild->nCell==pRoot->nCell || CORRUPT_DB ); - TRACE(("BALANCE: copy root %d into %d\n", pRoot->pgno, pChild->pgno)); + TRACE(("BALANCE: copy root %u into %u\n", pRoot->pgno, pChild->pgno)); /* Copy the overflow cells from pRoot to pChild */ memcpy(pChild->aiOvfl, pRoot->aiOvfl, @@ -72834,7 +78443,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ ** Return SQLITE_CORRUPT if any cursor other than pCur is currently valid ** on the same B-tree as pCur. ** -** This can if a database is corrupt with two or more SQL tables +** This can occur if a database is corrupt with two or more SQL tables ** pointing to the same b-tree. If an insert occurs on one SQL table ** and causes a BEFORE TRIGGER to do a secondary insert on the other SQL ** table linked to the same b-tree. If the secondary insert causes a @@ -72866,7 +78475,6 @@ static int anotherValidCursor(BtCursor *pCur){ */ static int balance(BtCursor *pCur){ int rc = SQLITE_OK; - const int nMin = pCur->pBt->usableSize * 2 / 3; u8 aBalanceQuickSpace[13]; u8 *pFree = 0; @@ -72878,7 +78486,11 @@ static int balance(BtCursor *pCur){ MemPage *pPage = pCur->pPage; if( NEVER(pPage->nFree<0) && btreeComputeFreeSpace(pPage) ) break; - if( pPage->nOverflow==0 && pPage->nFree<=nMin ){ + if( pPage->nOverflow==0 && pPage->nFree*3<=(int)pCur->pBt->usableSize*2 ){ + /* No rebalance required as long as: + ** (1) There are no overflow cells + ** (2) The amount of free space on the page is less than 2/3rds of + ** the total usable space on the page. */ break; }else if( (iPage = pCur->iPage)==0 ){ if( pPage->nOverflow && (rc = anotherValidCursor(pCur))==SQLITE_OK ){ @@ -72901,6 +78513,11 @@ static int balance(BtCursor *pCur){ }else{ break; } + }else if( sqlite3PagerPageRefcount(pPage->pDbPage)>1 ){ + /* The page being written is not a root page, and there is currently + ** more than one reference to it. This only happens if the page is one + ** of its own ancestor pages. Corruption. */ + rc = SQLITE_CORRUPT_BKPT; }else{ MemPage * const pParent = pCur->apPage[iPage-1]; int const iIdx = pCur->aiIdx[iPage-1]; @@ -72999,7 +78616,7 @@ static int btreeOverwriteContent( ){ int nData = pX->nData - iOffset; if( nData<=0 ){ - /* Overwritting with zeros */ + /* Overwriting with zeros */ int i; for(i=0; ipData to write */ int nTotal = pX->nData + pX->nZero; /* Total bytes of to write */ int rc; /* Return code */ @@ -73042,16 +78663,12 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ Pgno ovflPgno; /* Next overflow page to write */ u32 ovflPageSize; /* Size to write on overflow page */ - if( pCur->info.pPayload + pCur->info.nLocal > pPage->aDataEnd - || pCur->info.pPayload < pPage->aData + pPage->cellOffset - ){ - return SQLITE_CORRUPT_BKPT; - } + assert( pCur->info.nLocalinfo.pPayload, pX, 0, pCur->info.nLocal); if( rc ) return rc; - if( pCur->info.nLocal==nTotal ) return SQLITE_OK; /* Now overwrite the overflow pages */ iOffset = pCur->info.nLocal; @@ -73063,7 +78680,7 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ do{ rc = btreeGetPage(pBt, ovflPgno, &pPage, 0); if( rc ) return rc; - if( sqlite3PagerPageRefcount(pPage->pDbPage)!=1 ){ + if( sqlite3PagerPageRefcount(pPage->pDbPage)!=1 || pPage->isInit ){ rc = SQLITE_CORRUPT_BKPT; }else{ if( iOffset+ovflPageSize<(u32)nTotal ){ @@ -73081,6 +78698,29 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ return SQLITE_OK; } +/* +** Overwrite the cell that cursor pCur is pointing to with fresh content +** contained in pX. +*/ +static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ + int nTotal = pX->nData + pX->nZero; /* Total bytes of to write */ + MemPage *pPage = pCur->pPage; /* Page being written */ + + if( pCur->info.pPayload + pCur->info.nLocal > pPage->aDataEnd + || pCur->info.pPayload < pPage->aData + pPage->cellOffset + ){ + return SQLITE_CORRUPT_BKPT; + } + if( pCur->info.nLocal==nTotal ){ + /* The entire cell is local */ + return btreeOverwriteContent(pPage, pCur->info.pPayload, pX, + 0, pCur->info.nLocal); + }else{ + /* The cell contains overflow content */ + return btreeOverwriteOverflowCell(pCur, pX); + } +} + /* ** Insert a new record into the BTree. The content of the new record @@ -73098,7 +78738,7 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ ** pX.pData,nData,nZero fields must be zero. ** ** If the seekResult parameter is non-zero, then a successful call to -** MovetoUnpacked() to seek cursor pCur to (pKey,nKey) has already +** sqlite3BtreeIndexMoveto() to seek cursor pCur to (pKey,nKey) has already ** been performed. In other words, if seekResult!=0 then the cursor ** is currently pointing to a cell that will be adjacent to the cell ** to be inserted. If seekResult<0 then pCur points to a cell that is @@ -73116,7 +78756,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( BtCursor *pCur, /* Insert data into the table of this cursor */ const BtreePayload *pX, /* Content of the row to be inserted */ int flags, /* True if this is likely an append */ - int seekResult /* Result of prior MovetoUnpacked() call */ + int seekResult /* Result of prior IndexMoveto() call */ ){ int rc; int loc = seekResult; /* -1: before desired location +1: after */ @@ -73124,29 +78764,11 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( int idx; MemPage *pPage; Btree *p = pCur->pBtree; - BtShared *pBt = p->pBt; unsigned char *oldCell; unsigned char *newCell = 0; - assert( (flags & (BTREE_SAVEPOSITION|BTREE_APPEND))==flags ); - - if( pCur->eState==CURSOR_FAULT ){ - assert( pCur->skipNext!=SQLITE_OK ); - return pCur->skipNext; - } - - assert( cursorOwnsBtShared(pCur) ); - assert( (pCur->curFlags & BTCF_WriteFlag)!=0 - && pBt->inTransaction==TRANS_WRITE - && (pBt->btsFlags & BTS_READ_ONLY)==0 ); - assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); - - /* Assert that the caller has been consistent. If this cursor was opened - ** expecting an index b-tree, then the caller should be inserting blob - ** keys with no associated data. If the cursor was opened expecting an - ** intkey table, the caller should be inserting integer keys with a - ** blob of associated data. */ - assert( (pX->pKey==0)==(pCur->pKeyInfo==0) ); + assert( (flags & (BTREE_SAVEPOSITION|BTREE_APPEND|BTREE_PREFORMAT))==flags ); + assert( (flags & BTREE_PREFORMAT)==0 || seekResult || pCur->pKeyInfo==0 ); /* Save the positions of any other cursors open on this table. ** @@ -73160,15 +78782,48 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** not to clear the cursor here. */ if( pCur->curFlags & BTCF_Multiple ){ - rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); + rc = saveAllCursors(p->pBt, pCur->pgnoRoot, pCur); if( rc ) return rc; + if( loc && pCur->iPage<0 ){ + /* This can only happen if the schema is corrupt such that there is more + ** than one table or index with the same root page as used by the cursor. + ** Which can only happen if the SQLITE_NoSchemaError flag was set when + ** the schema was loaded. This cannot be asserted though, as a user might + ** set the flag, load the schema, and then unset the flag. */ + return SQLITE_CORRUPT_BKPT; + } } + /* Ensure that the cursor is not in the CURSOR_FAULT state and that it + ** points to a valid cell. + */ + if( pCur->eState>=CURSOR_REQUIRESEEK ){ + testcase( pCur->eState==CURSOR_REQUIRESEEK ); + testcase( pCur->eState==CURSOR_FAULT ); + rc = moveToRoot(pCur); + if( rc && rc!=SQLITE_EMPTY ) return rc; + } + + assert( cursorOwnsBtShared(pCur) ); + assert( (pCur->curFlags & BTCF_WriteFlag)!=0 + && p->pBt->inTransaction==TRANS_WRITE + && (p->pBt->btsFlags & BTS_READ_ONLY)==0 ); + assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); + + /* Assert that the caller has been consistent. If this cursor was opened + ** expecting an index b-tree, then the caller should be inserting blob + ** keys with no associated data. If the cursor was opened expecting an + ** intkey table, the caller should be inserting integer keys with a + ** blob of associated data. */ + assert( (flags & BTREE_PREFORMAT) || (pX->pKey==0)==(pCur->pKeyInfo==0) ); + if( pCur->pKeyInfo==0 ){ assert( pX->pKey==0 ); /* If this is an insert into a table b-tree, invalidate any incrblob ** cursors open on the row being replaced */ - invalidateIncrblobCursors(p, pCur->pgnoRoot, pX->nKey, 0); + if( p->hasIncrblobCur ){ + invalidateIncrblobCursors(p, pCur->pgnoRoot, pX->nKey, 0); + } /* If BTREE_SAVEPOSITION is set, the cursor must already be pointing ** to a row with the same key as the new entry being inserted. @@ -73201,7 +78856,8 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** to an adjacent cell. Move the cursor so that it is pointing either ** to the cell to be overwritten or an adjacent cell. */ - rc = sqlite3BtreeMovetoUnpacked(pCur, 0, pX->nKey, flags!=0, &loc); + rc = sqlite3BtreeTableMoveto(pCur, pX->nKey, + (flags & BTREE_APPEND)!=0, &loc); if( rc ) return rc; } }else{ @@ -73224,13 +78880,11 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( r.aMem = pX->aMem; r.nField = pX->nMem; r.default_rc = 0; - r.errCode = 0; - r.r1 = 0; - r.r2 = 0; r.eqSeen = 0; - rc = sqlite3BtreeMovetoUnpacked(pCur, &r, 0, flags!=0, &loc); + rc = sqlite3BtreeIndexMoveto(pCur, &r, &loc); }else{ - rc = btreeMoveto(pCur, pX->pKey, pX->nKey, flags!=0, &loc); + rc = btreeMoveto(pCur, pX->pKey, pX->nKey, + (flags & BTREE_APPEND)!=0, &loc); } if( rc ) return rc; } @@ -73249,17 +78903,16 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( return btreeOverwriteCell(pCur, &x2); } } - } assert( pCur->eState==CURSOR_VALID - || (pCur->eState==CURSOR_INVALID && loc) - || CORRUPT_DB ); + || (pCur->eState==CURSOR_INVALID && loc) || CORRUPT_DB ); pPage = pCur->pPage; - assert( pPage->intKey || pX->nKey>=0 ); + assert( pPage->intKey || pX->nKey>=0 || (flags & BTREE_PREFORMAT) ); assert( pPage->leaf || !pPage->intKey ); if( pPage->nFree<0 ){ - if( pCur->eState>CURSOR_INVALID ){ + if( NEVER(pCur->eState>CURSOR_INVALID) ){ + /* ^^^^^--- due to the moveToRoot() call above */ rc = SQLITE_CORRUPT_BKPT; }else{ rc = btreeComputeFreeSpace(pPage); @@ -73267,20 +78920,40 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( if( rc ) return rc; } - TRACE(("INSERT: table=%d nkey=%lld ndata=%d page=%d %s\n", + TRACE(("INSERT: table=%u nkey=%lld ndata=%u page=%u %s\n", pCur->pgnoRoot, pX->nKey, pX->nData, pPage->pgno, loc==0 ? "overwrite" : "new entry")); - assert( pPage->isInit ); - newCell = pBt->pTmpSpace; + assert( pPage->isInit || CORRUPT_DB ); + newCell = p->pBt->pTmpSpace; assert( newCell!=0 ); - rc = fillInCell(pPage, newCell, pX, &szNew); - if( rc ) goto end_insert; + assert( BTREE_PREFORMAT==OPFLAG_PREFORMAT ); + if( flags & BTREE_PREFORMAT ){ + rc = SQLITE_OK; + szNew = p->pBt->nPreformatSize; + if( szNew<4 ) szNew = 4; + if( ISAUTOVACUUM(p->pBt) && szNew>pPage->maxLocal ){ + CellInfo info; + pPage->xParseCell(pPage, newCell, &info); + if( info.nPayload!=info.nLocal ){ + Pgno ovfl = get4byte(&newCell[szNew-4]); + ptrmapPut(p->pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno, &rc); + if( NEVER(rc) ) goto end_insert; + } + } + }else{ + rc = fillInCell(pPage, newCell, pX, &szNew); + if( rc ) goto end_insert; + } assert( szNew==pPage->xCellSize(pPage, newCell) ); - assert( szNew <= MX_CELL_SIZE(pBt) ); + assert( szNew <= MX_CELL_SIZE(p->pBt) ); idx = pCur->ix; + pCur->info.nSize = 0; if( loc==0 ){ CellInfo info; - assert( idxnCell ); + assert( idx>=0 ); + if( idx>=pPage->nCell ){ + return SQLITE_CORRUPT_BKPT; + } rc = sqlite3PagerWrite(pPage->pDbPage); if( rc ){ goto end_insert; @@ -73289,11 +78962,11 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( if( !pPage->leaf ){ memcpy(newCell, oldCell, 4); } - rc = clearCell(pPage, oldCell, &info); + BTREE_CLEAR_CELL(rc, pPage, oldCell, info); testcase( pCur->curFlags & BTCF_ValidOvfl ); invalidateOverflowCache(pCur); if( info.nSize==szNew && info.nLocal==info.nPayload - && (!ISAUTOVACUUM || szNewminLocal) + && (!ISAUTOVACUUM(p->pBt) || szNewminLocal) ){ /* Overwrite the old cell with the new if they are the same size. ** We could also try to do this if the old cell is smaller, then add @@ -73323,7 +78996,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( }else{ assert( pPage->leaf ); } - insertCell(pPage, idx, newCell, szNew, 0, 0, &rc); + rc = insertCellFast(pPage, idx, newCell, szNew); assert( pPage->nOverflow==0 || rc==SQLITE_OK ); assert( rc!=SQLITE_OK || pPage->nCell>0 || pPage->nOverflow>0 ); @@ -73347,7 +79020,6 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** larger than the largest existing key, it is possible to insert the ** row without seeking the cursor. This can be a big performance boost. */ - pCur->info.nSize = 0; if( pPage->nOverflow ){ assert( rc==SQLITE_OK ); pCur->curFlags &= ~(BTCF_ValidNKey); @@ -73380,6 +79052,118 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( return rc; } +/* +** This function is used as part of copying the current row from cursor +** pSrc into cursor pDest. If the cursors are open on intkey tables, then +** parameter iKey is used as the rowid value when the record is copied +** into pDest. Otherwise, the record is copied verbatim. +** +** This function does not actually write the new value to cursor pDest. +** Instead, it creates and populates any required overflow pages and +** writes the data for the new cell into the BtShared.pTmpSpace buffer +** for the destination database. The size of the cell, in bytes, is left +** in BtShared.nPreformatSize. The caller completes the insertion by +** calling sqlite3BtreeInsert() with the BTREE_PREFORMAT flag specified. +** +** SQLITE_OK is returned if successful, or an SQLite error code otherwise. +*/ +SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){ + BtShared *pBt = pDest->pBt; + u8 *aOut = pBt->pTmpSpace; /* Pointer to next output buffer */ + const u8 *aIn; /* Pointer to next input buffer */ + u32 nIn; /* Size of input buffer aIn[] */ + u32 nRem; /* Bytes of data still to copy */ + + getCellInfo(pSrc); + if( pSrc->info.nPayload<0x80 ){ + *(aOut++) = pSrc->info.nPayload; + }else{ + aOut += sqlite3PutVarint(aOut, pSrc->info.nPayload); + } + if( pDest->pKeyInfo==0 ) aOut += putVarint(aOut, iKey); + nIn = pSrc->info.nLocal; + aIn = pSrc->info.pPayload; + if( aIn+nIn>pSrc->pPage->aDataEnd ){ + return SQLITE_CORRUPT_BKPT; + } + nRem = pSrc->info.nPayload; + if( nIn==nRem && nInpPage->maxLocal ){ + memcpy(aOut, aIn, nIn); + pBt->nPreformatSize = nIn + (aOut - pBt->pTmpSpace); + return SQLITE_OK; + }else{ + int rc = SQLITE_OK; + Pager *pSrcPager = pSrc->pBt->pPager; + u8 *pPgnoOut = 0; + Pgno ovflIn = 0; + DbPage *pPageIn = 0; + MemPage *pPageOut = 0; + u32 nOut; /* Size of output buffer aOut[] */ + + nOut = btreePayloadToLocal(pDest->pPage, pSrc->info.nPayload); + pBt->nPreformatSize = nOut + (aOut - pBt->pTmpSpace); + if( nOutinfo.nPayload ){ + pPgnoOut = &aOut[nOut]; + pBt->nPreformatSize += 4; + } + + if( nRem>nIn ){ + if( aIn+nIn+4>pSrc->pPage->aDataEnd ){ + return SQLITE_CORRUPT_BKPT; + } + ovflIn = get4byte(&pSrc->info.pPayload[nIn]); + } + + do { + nRem -= nOut; + do{ + assert( nOut>0 ); + if( nIn>0 ){ + int nCopy = MIN(nOut, nIn); + memcpy(aOut, aIn, nCopy); + nOut -= nCopy; + nIn -= nCopy; + aOut += nCopy; + aIn += nCopy; + } + if( nOut>0 ){ + sqlite3PagerUnref(pPageIn); + pPageIn = 0; + rc = sqlite3PagerGet(pSrcPager, ovflIn, &pPageIn, PAGER_GET_READONLY); + if( rc==SQLITE_OK ){ + aIn = (const u8*)sqlite3PagerGetData(pPageIn); + ovflIn = get4byte(aIn); + aIn += 4; + nIn = pSrc->pBt->usableSize - 4; + } + } + }while( rc==SQLITE_OK && nOut>0 ); + + if( rc==SQLITE_OK && nRem>0 && ALWAYS(pPgnoOut) ){ + Pgno pgnoNew; + MemPage *pNew = 0; + rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0); + put4byte(pPgnoOut, pgnoNew); + if( ISAUTOVACUUM(pBt) && pPageOut ){ + ptrmapPut(pBt, pgnoNew, PTRMAP_OVERFLOW2, pPageOut->pgno, &rc); + } + releasePage(pPageOut); + pPageOut = pNew; + if( pPageOut ){ + pPgnoOut = pPageOut->aData; + put4byte(pPgnoOut, 0); + aOut = &pPgnoOut[4]; + nOut = MIN(pBt->usableSize - 4, nRem); + } + } + }while( nRem>0 && rc==SQLITE_OK ); + + releasePage(pPageOut); + sqlite3PagerUnref(pPageIn); + return rc; + } +} + /* ** Delete the entry that the cursor is pointing to. ** @@ -73400,14 +79184,13 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ Btree *p = pCur->pBtree; BtShared *pBt = p->pBt; - int rc; /* Return code */ - MemPage *pPage; /* Page to delete cell from */ - unsigned char *pCell; /* Pointer to cell to delete */ - int iCellIdx; /* Index of cell to delete */ - int iCellDepth; /* Depth of node containing pCell */ - CellInfo info; /* Size of the cell being deleted */ - int bSkipnext = 0; /* Leaf cursor in SKIPNEXT state */ - u8 bPreserve = flags & BTREE_SAVEPOSITION; /* Keep cursor valid */ + int rc; /* Return code */ + MemPage *pPage; /* Page to delete cell from */ + unsigned char *pCell; /* Pointer to cell to delete */ + int iCellIdx; /* Index of cell to delete */ + int iCellDepth; /* Depth of node containing pCell */ + CellInfo info; /* Size of the cell being deleted */ + u8 bPreserve; /* Keep cursor valid. 2 for CURSOR_SKIPNEXT */ assert( cursorOwnsBtShared(pCur) ); assert( pBt->inTransaction==TRANS_WRITE ); @@ -73416,30 +79199,52 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); assert( !hasReadConflicts(p, pCur->pgnoRoot) ); assert( (flags & ~(BTREE_SAVEPOSITION | BTREE_AUXDELETE))==0 ); - if( pCur->eState==CURSOR_REQUIRESEEK ){ - rc = btreeRestoreCursorPosition(pCur); - if( rc ) return rc; + if( pCur->eState!=CURSOR_VALID ){ + if( pCur->eState>=CURSOR_REQUIRESEEK ){ + rc = btreeRestoreCursorPosition(pCur); + assert( rc!=SQLITE_OK || CORRUPT_DB || pCur->eState==CURSOR_VALID ); + if( rc || pCur->eState!=CURSOR_VALID ) return rc; + }else{ + return SQLITE_CORRUPT_BKPT; + } } assert( pCur->eState==CURSOR_VALID ); iCellDepth = pCur->iPage; iCellIdx = pCur->ix; pPage = pCur->pPage; + if( pPage->nCell<=iCellIdx ){ + return SQLITE_CORRUPT_BKPT; + } pCell = findCell(pPage, iCellIdx); - if( pPage->nFree<0 && btreeComputeFreeSpace(pPage) ) return SQLITE_CORRUPT; + if( pPage->nFree<0 && btreeComputeFreeSpace(pPage) ){ + return SQLITE_CORRUPT_BKPT; + } + if( pCell<&pPage->aCellIdx[pPage->nCell] ){ + return SQLITE_CORRUPT_BKPT; + } - /* If the bPreserve flag is set to true, then the cursor position must + /* If the BTREE_SAVEPOSITION bit is on, then the cursor position must ** be preserved following this delete operation. If the current delete ** will cause a b-tree rebalance, then this is done by saving the cursor ** key and leaving the cursor in CURSOR_REQUIRESEEK state before ** returning. ** - ** Or, if the current delete will not cause a rebalance, then the cursor + ** If the current delete will not cause a rebalance, then the cursor ** will be left in CURSOR_SKIPNEXT state pointing to the entry immediately - ** before or after the deleted entry. In this case set bSkipnext to true. */ + ** before or after the deleted entry. + ** + ** The bPreserve value records which path is required: + ** + ** bPreserve==0 Not necessary to save the cursor position + ** bPreserve==1 Use CURSOR_REQUIRESEEK to save the cursor position + ** bPreserve==2 Cursor won't move. Set CURSOR_SKIPNEXT. + */ + bPreserve = (flags & BTREE_SAVEPOSITION)!=0; if( bPreserve ){ if( !pPage->leaf - || (pPage->nFree+cellSizePtr(pPage,pCell)+2)>(int)(pBt->usableSize*2/3) + || (pPage->nFree+pPage->xCellSize(pPage,pCell)+2) > + (int)(pBt->usableSize*2/3) || pPage->nCell==1 /* See dbfuzz001.test for a test case */ ){ /* A b-tree rebalance will be required after deleting this entry. @@ -73447,7 +79252,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ rc = saveCursorKey(pCur); if( rc ) return rc; }else{ - bSkipnext = 1; + bPreserve = 2; } } @@ -73473,7 +79278,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ /* If this is a delete operation to remove a row from a table b-tree, ** invalidate any incrblob cursors open on the row being deleted. */ - if( pCur->pKeyInfo==0 ){ + if( pCur->pKeyInfo==0 && p->hasIncrblobCur ){ invalidateIncrblobCursors(p, pCur->pgnoRoot, pCur->info.nKey, 0); } @@ -73482,7 +79287,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ ** itself from within the page. */ rc = sqlite3PagerWrite(pPage->pDbPage); if( rc ) return rc; - rc = clearCell(pPage, pCell, &info); + BTREE_CLEAR_CELL(rc, pPage, pCell, info); dropCell(pPage, iCellIdx, info.nSize, &rc); if( rc ) return rc; @@ -73514,7 +79319,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ assert( pTmp!=0 ); rc = sqlite3PagerWrite(pLeaf->pDbPage); if( rc==SQLITE_OK ){ - insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n, &rc); + rc = insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n); } dropCell(pLeaf, pLeaf->nCell-1, nCell, &rc); if( rc ) return rc; @@ -73535,7 +79340,15 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ ** been corrected, so be it. Otherwise, after balancing the leaf node, ** walk the cursor up the tree to the internal node and balance it as ** well. */ - rc = balance(pCur); + assert( pCur->pPage->nOverflow==0 ); + assert( pCur->pPage->nFree>=0 ); + if( pCur->pPage->nFree*3<=(int)pCur->pBt->usableSize*2 ){ + /* Optimization: If the free space is less than 2/3rds of the page, + ** then balance() will always be a no-op. No need to invoke it. */ + rc = SQLITE_OK; + }else{ + rc = balance(pCur); + } if( rc==SQLITE_OK && pCur->iPage>iCellDepth ){ releasePageNotNull(pCur->pPage); pCur->iPage--; @@ -73547,8 +79360,8 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ } if( rc==SQLITE_OK ){ - if( bSkipnext ){ - assert( bPreserve && (pCur->iPage==iCellDepth || CORRUPT_DB) ); + if( bPreserve>1 ){ + assert( (pCur->iPage==iCellDepth || CORRUPT_DB) ); assert( pPage==pCur->pPage || CORRUPT_DB ); assert( (pPage->nCell>0 || CORRUPT_DB) && iCellIdx<=pPage->nCell ); pCur->eState = CURSOR_SKIPNEXT; @@ -73586,7 +79399,7 @@ static int btreeCreateTable(Btree *p, Pgno *piTable, int createTabFlags){ MemPage *pRoot; Pgno pgnoRoot; int rc; - int ptfFlags; /* Page-type flage for the root page of new table */ + int ptfFlags; /* Page-type flags for the root page of new table */ assert( sqlite3BtreeHoldsMutex(p) ); assert( pBt->inTransaction==TRANS_WRITE ); @@ -73742,7 +79555,7 @@ static int clearDatabasePage( BtShared *pBt, /* The BTree that contains the table */ Pgno pgno, /* Page number to clear */ int freePageFlag, /* Deallocate page if true */ - int *pnChange /* Add number of Cells freed to this counter */ + i64 *pnChange /* Add number of Cells freed to this counter */ ){ MemPage *pPage; int rc; @@ -73755,13 +79568,14 @@ static int clearDatabasePage( if( pgno>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } - rc = getAndInitPage(pBt, pgno, &pPage, 0, 0); + rc = getAndInitPage(pBt, pgno, &pPage, 0); if( rc ) return rc; - if( pPage->bBusy ){ + if( (pBt->openFlags & BTREE_SINGLE)==0 + && sqlite3PagerPageRefcount(pPage->pDbPage) != (1 + (pgno==1)) + ){ rc = SQLITE_CORRUPT_BKPT; goto cleardatabasepage_out; } - pPage->bBusy = 1; hdr = pPage->hdrOffset; for(i=0; inCell; i++){ pCell = findCell(pPage, i); @@ -73769,14 +79583,15 @@ static int clearDatabasePage( rc = clearDatabasePage(pBt, get4byte(pCell), 1, pnChange); if( rc ) goto cleardatabasepage_out; } - rc = clearCell(pPage, pCell, &info); + BTREE_CLEAR_CELL(rc, pPage, pCell, info); if( rc ) goto cleardatabasepage_out; } if( !pPage->leaf ){ rc = clearDatabasePage(pBt, get4byte(&pPage->aData[hdr+8]), 1, pnChange); if( rc ) goto cleardatabasepage_out; - }else if( pnChange ){ - assert( pPage->intKey || CORRUPT_DB ); + if( pPage->intKey ) pnChange = 0; + } + if( pnChange ){ testcase( !pPage->intKey ); *pnChange += pPage->nCell; } @@ -73787,7 +79602,6 @@ static int clearDatabasePage( } cleardatabasepage_out: - pPage->bBusy = 0; releasePage(pPage); return rc; } @@ -73801,11 +79615,10 @@ static int clearDatabasePage( ** read cursors on the table. Open write cursors are moved to the ** root of the table. ** -** If pnChange is not NULL, then table iTable must be an intkey table. The -** integer value pointed to by pnChange is incremented by the number of -** entries in the table. +** If pnChange is not NULL, then the integer value pointed to by pnChange +** is incremented by the number of entries in the table. */ -SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree *p, int iTable, int *pnChange){ +SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree *p, int iTable, i64 *pnChange){ int rc; BtShared *pBt = p->pBt; sqlite3BtreeEnter(p); @@ -73817,7 +79630,9 @@ SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree *p, int iTable, int *pnChange){ /* Invalidate all incrblob cursors open on table iTable (assuming iTable ** is the root of a table b-tree - if it is not, the following call is ** a no-op). */ - invalidateIncrblobCursors(p, (Pgno)iTable, 0, 1); + if( p->hasIncrblobCur ){ + invalidateIncrblobCursors(p, (Pgno)iTable, 0, 1); + } rc = clearDatabasePage(pBt, (Pgno)iTable, 0, pnChange); } sqlite3BtreeLeave(p); @@ -73865,10 +79680,10 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ return SQLITE_CORRUPT_BKPT; } - rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0); - if( rc ) return rc; rc = sqlite3BtreeClearTable(p, iTable, 0); - if( rc ){ + if( rc ) return rc; + rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0); + if( NEVER(rc) ){ releasePage(pPage); return rc; } @@ -73977,7 +79792,7 @@ SQLITE_PRIVATE void sqlite3BtreeGetMeta(Btree *p, int idx, u32 *pMeta){ assert( idx>=0 && idx<=15 ); if( idx==BTREE_DATA_VERSION ){ - *pMeta = sqlite3PagerDataVersion(pBt->pPager) + p->iDataVersion; + *pMeta = sqlite3PagerDataVersion(pBt->pPager) + p->iBDataVersion; }else{ *pMeta = get4byte(&pBt->pPage1->aData[36 + idx*4]); } @@ -74103,6 +79918,41 @@ SQLITE_PRIVATE Pager *sqlite3BtreePager(Btree *p){ } #ifndef SQLITE_OMIT_INTEGRITY_CHECK +/* +** Record an OOM error during integrity_check +*/ +static void checkOom(IntegrityCk *pCheck){ + pCheck->rc = SQLITE_NOMEM; + pCheck->mxErr = 0; /* Causes integrity_check processing to stop */ + if( pCheck->nErr==0 ) pCheck->nErr++; +} + +/* +** Invoke the progress handler, if appropriate. Also check for an +** interrupt. +*/ +static void checkProgress(IntegrityCk *pCheck){ + sqlite3 *db = pCheck->db; + if( AtomicLoad(&db->u1.isInterrupted) ){ + pCheck->rc = SQLITE_INTERRUPT; + pCheck->nErr++; + pCheck->mxErr = 0; + } +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + if( db->xProgress ){ + assert( db->nProgressOps>0 ); + pCheck->nStep++; + if( (pCheck->nStep % db->nProgressOps)==0 + && db->xProgress(db->pProgressArg) + ){ + pCheck->rc = SQLITE_INTERRUPT; + pCheck->nErr++; + pCheck->mxErr = 0; + } + } +#endif +} + /* ** Append a message to the error message string. */ @@ -74112,6 +79962,7 @@ static void checkAppendMsg( ... ){ va_list ap; + checkProgress(pCheck); if( !pCheck->mxErr ) return; pCheck->mxErr--; pCheck->nErr++; @@ -74120,12 +79971,13 @@ static void checkAppendMsg( sqlite3_str_append(&pCheck->errMsg, "\n", 1); } if( pCheck->zPfx ){ - sqlite3_str_appendf(&pCheck->errMsg, pCheck->zPfx, pCheck->v1, pCheck->v2); + sqlite3_str_appendf(&pCheck->errMsg, pCheck->zPfx, + pCheck->v0, pCheck->v1, pCheck->v2); } sqlite3_str_vappendf(&pCheck->errMsg, zFormat, ap); va_end(ap); if( pCheck->errMsg.accError==SQLITE_NOMEM ){ - pCheck->bOomFault = 1; + checkOom(pCheck); } } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -74160,14 +80012,13 @@ static void setPageReferenced(IntegrityCk *pCheck, Pgno iPg){ */ static int checkRef(IntegrityCk *pCheck, Pgno iPage){ if( iPage>pCheck->nPage || iPage==0 ){ - checkAppendMsg(pCheck, "invalid page number %d", iPage); + checkAppendMsg(pCheck, "invalid page number %u", iPage); return 1; } if( getPageReferenced(pCheck, iPage) ){ - checkAppendMsg(pCheck, "2nd reference to page %d", iPage); + checkAppendMsg(pCheck, "2nd reference to page %u", iPage); return 1; } - if( AtomicLoad(&pCheck->db->u1.isInterrupted) ) return 1; setPageReferenced(pCheck, iPage); return 0; } @@ -74190,14 +80041,14 @@ static void checkPtrmap( rc = ptrmapGet(pCheck->pBt, iChild, &ePtrmapType, &iPtrmapParent); if( rc!=SQLITE_OK ){ - if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) pCheck->bOomFault = 1; - checkAppendMsg(pCheck, "Failed to read ptrmap key=%d", iChild); + if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) checkOom(pCheck); + checkAppendMsg(pCheck, "Failed to read ptrmap key=%u", iChild); return; } if( ePtrmapType!=eType || iPtrmapParent!=iParent ){ checkAppendMsg(pCheck, - "Bad ptr map entry key=%d expected=(%d,%d) got=(%d,%d)", + "Bad ptr map entry key=%u expected=(%u,%u) got=(%u,%u)", iChild, eType, iParent, ePtrmapType, iPtrmapParent); } } @@ -74222,7 +80073,7 @@ static void checkList( if( checkRef(pCheck, iPage) ) break; N--; if( sqlite3PagerGet(pCheck->pPager, (Pgno)iPage, &pOvflPage, 0) ){ - checkAppendMsg(pCheck, "failed to get page %d", iPage); + checkAppendMsg(pCheck, "failed to get page %u", iPage); break; } pOvflData = (unsigned char *)sqlite3PagerGetData(pOvflPage); @@ -74235,7 +80086,7 @@ static void checkList( #endif if( n>pCheck->pBt->usableSize/4-2 ){ checkAppendMsg(pCheck, - "freelist leaf count too big on page %d", iPage); + "freelist leaf count too big on page %u", iPage); N--; }else{ for(i=0; i<(int)n; i++){ @@ -74267,7 +80118,7 @@ static void checkList( } if( N && nErrAtStart==pCheck->nErr ){ checkAppendMsg(pCheck, - "%s is %d but should be %d", + "%s is %u but should be %u", isFreeList ? "size" : "overflow list length", expected-N, expected); } @@ -74297,7 +80148,9 @@ static void checkList( ** lower 16 bits are the index of the last byte of that range. */ static void btreeHeapInsert(u32 *aHeap, u32 x){ - u32 j, i = ++aHeap[0]; + u32 j, i; + assert( aHeap!=0 ); + i = ++aHeap[0]; aHeap[i] = x; while( (j = i/2)>0 && aHeap[j]>aHeap[i] ){ x = aHeap[j]; @@ -74374,11 +80227,13 @@ static int checkTreePage( /* Check that the page exists */ + checkProgress(pCheck); + if( pCheck->mxErr==0 ) goto end_of_check; pBt = pCheck->pBt; usableSize = pBt->usableSize; if( iPage==0 ) return 0; if( checkRef(pCheck, iPage) ) return 0; - pCheck->zPfx = "Page %u: "; + pCheck->zPfx = "Tree %u page %u: "; pCheck->v1 = iPage; if( (rc = btreeGetPage(pBt, iPage, &pPage, 0))!=0 ){ checkAppendMsg(pCheck, @@ -74405,7 +80260,7 @@ static int checkTreePage( hdr = pPage->hdrOffset; /* Set up for cell analysis */ - pCheck->zPfx = "On tree page %u cell %d: "; + pCheck->zPfx = "Tree %u page %u cell %u: "; contentOffset = get2byteNotZero(&data[hdr+5]); assert( contentOffset<=usableSize ); /* Enforced by btreeInitPage() */ @@ -74425,7 +80280,7 @@ static int checkTreePage( pgno = get4byte(&data[hdr+8]); #ifndef SQLITE_OMIT_AUTOVACUUM if( pBt->autoVacuum ){ - pCheck->zPfx = "On page %u at right child: "; + pCheck->zPfx = "Tree %u page %u right child: "; checkPtrmap(pCheck, pgno, PTRMAP_BTREE, iPage); } #endif @@ -74449,7 +80304,7 @@ static int checkTreePage( pc = get2byteAligned(pCellIdx); pCellIdx -= 2; if( pcusableSize-4 ){ - checkAppendMsg(pCheck, "Offset %d out of range %d..%d", + checkAppendMsg(pCheck, "Offset %u out of range %u..%u", pc, contentOffset, usableSize-4); doCoverageCheck = 0; continue; @@ -74581,7 +80436,7 @@ static int checkTreePage( */ if( heap[0]==0 && nFrag!=data[hdr+7] ){ checkAppendMsg(pCheck, - "Fragmentation of %d bytes reported as %d on page %u", + "Fragmentation of %u bytes reported as %u on page %u", nFrag, data[hdr+7], iPage); } } @@ -74619,13 +80474,14 @@ static int checkTreePage( ** the unverified btrees. Except, if aRoot[1] is 1, then the freelist ** checks are still performed. */ -SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( +SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( sqlite3 *db, /* Database connection that is running the check */ Btree *p, /* The btree to be checked */ Pgno *aRoot, /* An array of root pages numbers for individual trees */ int nRoot, /* Number of entries in aRoot[] */ int mxErr, /* Stop reporting errors after this many */ - int *pnErr /* Write number of errors seen to this variable */ + int *pnErr, /* OUT: Write number of errors seen to this variable */ + char **pzOut /* OUT: Write the error message string here */ ){ Pgno i; IntegrityCk sCheck; @@ -74648,18 +80504,12 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( assert( p->inTrans>TRANS_NONE && pBt->inTransaction>TRANS_NONE ); VVA_ONLY( nRef = sqlite3PagerRefcount(pBt->pPager) ); assert( nRef>=0 ); + memset(&sCheck, 0, sizeof(sCheck)); sCheck.db = db; sCheck.pBt = pBt; sCheck.pPager = pBt->pPager; sCheck.nPage = btreePagecount(sCheck.pBt); sCheck.mxErr = mxErr; - sCheck.nErr = 0; - sCheck.bOomFault = 0; - sCheck.zPfx = 0; - sCheck.v1 = 0; - sCheck.v2 = 0; - sCheck.aPgRef = 0; - sCheck.heap = 0; sqlite3StrAccumInit(&sCheck.errMsg, 0, zErr, sizeof(zErr), SQLITE_MAX_LENGTH); sCheck.errMsg.printfFlags = SQLITE_PRINTF_INTERNAL; if( sCheck.nPage==0 ){ @@ -74668,12 +80518,12 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( sCheck.aPgRef = sqlite3MallocZero((sCheck.nPage / 8)+ 1); if( !sCheck.aPgRef ){ - sCheck.bOomFault = 1; + checkOom(&sCheck); goto integrity_ck_cleanup; } sCheck.heap = (u32*)sqlite3PageMalloc( pBt->pageSize ); if( sCheck.heap==0 ){ - sCheck.bOomFault = 1; + checkOom(&sCheck); goto integrity_ck_cleanup; } @@ -74683,7 +80533,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( /* Check the integrity of the freelist */ if( bCkFreelist ){ - sCheck.zPfx = "Main freelist: "; + sCheck.zPfx = "Freelist: "; checkList(&sCheck, 1, get4byte(&pBt->pPage1->aData[32]), get4byte(&pBt->pPage1->aData[36])); sCheck.zPfx = 0; @@ -74700,7 +80550,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( mxInHdr = get4byte(&pBt->pPage1->aData[52]); if( mx!=mxInHdr ){ checkAppendMsg(&sCheck, - "max rootpage (%d) disagrees with header (%d)", + "max rootpage (%u) disagrees with header (%u)", mx, mxInHdr ); } @@ -74721,6 +80571,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( checkPtrmap(&sCheck, aRoot[i], PTRMAP_ROOTPAGE, 0); } #endif + sCheck.v0 = aRoot[i]; checkTreePage(&sCheck, aRoot[i], ¬Used, LARGEST_INT64); } pBt->db->flags = savedDbFlags; @@ -74731,7 +80582,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( for(i=1; i<=sCheck.nPage && sCheck.mxErr; i++){ #ifdef SQLITE_OMIT_AUTOVACUUM if( getPageReferenced(&sCheck, i)==0 ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); + checkAppendMsg(&sCheck, "Page %u: never used", i); } #else /* If the database supports auto-vacuum, make sure no tables contain @@ -74739,11 +80590,11 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( */ if( getPageReferenced(&sCheck, i)==0 && (PTRMAP_PAGENO(pBt, i)!=i || !pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); + checkAppendMsg(&sCheck, "Page %u: never used", i); } if( getPageReferenced(&sCheck, i)!=0 && (PTRMAP_PAGENO(pBt, i)==i && pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Pointer map page %d is referenced", i); + checkAppendMsg(&sCheck, "Page %u: pointer map referenced", i); } #endif } @@ -74754,16 +80605,17 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( integrity_ck_cleanup: sqlite3PageFree(sCheck.heap); sqlite3_free(sCheck.aPgRef); - if( sCheck.bOomFault ){ + *pnErr = sCheck.nErr; + if( sCheck.nErr==0 ){ sqlite3_str_reset(&sCheck.errMsg); - sCheck.nErr++; + *pzOut = 0; + }else{ + *pzOut = sqlite3StrAccumFinish(&sCheck.errMsg); } - *pnErr = sCheck.nErr; - if( sCheck.nErr==0 ) sqlite3_str_reset(&sCheck.errMsg); /* Make sure this analysis did not leave any unref() pages. */ assert( nRef==sqlite3PagerRefcount(pBt->pPager) ); sqlite3BtreeLeave(p); - return sqlite3StrAccumFinish(&sCheck.errMsg); + return sCheck.rc; } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -74793,11 +80645,12 @@ SQLITE_PRIVATE const char *sqlite3BtreeGetJournalname(Btree *p){ } /* -** Return non-zero if a transaction is active. +** Return one of SQLITE_TXN_NONE, SQLITE_TXN_READ, or SQLITE_TXN_WRITE +** to describe the current transaction state of Btree p. */ -SQLITE_PRIVATE int sqlite3BtreeIsInTrans(Btree *p){ +SQLITE_PRIVATE int sqlite3BtreeTxnState(Btree *p){ assert( p==0 || sqlite3_mutex_held(p->db->mutex) ); - return (p && (p->inTrans==TRANS_WRITE)); + return p ? p->inTrans : 0; } #ifndef SQLITE_OMIT_WAL @@ -74826,14 +80679,8 @@ SQLITE_PRIVATE int sqlite3BtreeCheckpoint(Btree *p, int eMode, int *pnLog, int * #endif /* -** Return non-zero if a read (or write) transaction is active. +** Return true if there is currently a backup running on Btree p. */ -SQLITE_PRIVATE int sqlite3BtreeIsInReadTrans(Btree *p){ - assert( p ); - assert( sqlite3_mutex_held(p->db->mutex) ); - return p->inTrans!=TRANS_NONE; -} - SQLITE_PRIVATE int sqlite3BtreeIsInBackup(Btree *p){ assert( p ); assert( sqlite3_mutex_held(p->db->mutex) ); @@ -75033,6 +80880,17 @@ SQLITE_PRIVATE int sqlite3BtreeIsReadonly(Btree *p){ */ SQLITE_PRIVATE int sqlite3HeaderSizeBtree(void){ return ROUND8(sizeof(MemPage)); } +/* +** If no transaction is active and the database is not a temp-db, clear +** the in-memory pager cache. +*/ +SQLITE_PRIVATE void sqlite3BtreeClearCache(Btree *p){ + BtShared *pBt = p->pBt; + if( pBt->inTransaction==TRANS_NONE ){ + sqlite3PagerClearCache(pBt->pPager); + } +} + #if !defined(SQLITE_OMIT_SHARED_CACHE) /* ** Return true if the Btree passed as the only argument is sharable. @@ -75141,14 +80999,13 @@ static Btree *findBtree(sqlite3 *pErrorDb, sqlite3 *pDb, const char *zDb){ if( i==1 ){ Parse sParse; int rc = 0; - memset(&sParse, 0, sizeof(sParse)); - sParse.db = pDb; + sqlite3ParseObjectInit(&sParse,pDb); if( sqlite3OpenTempDatabase(&sParse) ){ sqlite3ErrorWithMsg(pErrorDb, sParse.rc, "%s", sParse.zErrMsg); rc = SQLITE_ERROR; } sqlite3DbFree(pErrorDb, sParse.zErrMsg); - sqlite3ParserReset(&sParse); + sqlite3ParseObjectReset(&sParse); if( rc ){ return 0; } @@ -75179,7 +81036,7 @@ static int setDestPgsz(sqlite3_backup *p){ ** message in database handle db. */ static int checkReadTransaction(sqlite3 *db, Btree *p){ - if( sqlite3BtreeIsInReadTrans(p) ){ + if( sqlite3BtreeTxnState(p)!=SQLITE_TXN_NONE ){ sqlite3ErrorWithMsg(db, SQLITE_ERROR, "destination database is in use"); return SQLITE_ERROR; } @@ -75299,13 +81156,7 @@ static int backupOnePage( assert( !isFatalError(p->rc) ); assert( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) ); assert( zSrcData ); - - /* Catch the case where the destination is an in-memory database and the - ** page sizes of the source and destination differ. - */ - if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){ - rc = SQLITE_READONLY; - } + assert( nSrcPgsz==nDestPgsz || sqlite3PagerIsMemdb(pDestPager)==0 ); /* This loop runs once for each destination page spanned by the source ** page. For each iteration, variable iOff is set to the byte offset @@ -75410,7 +81261,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ ** one now. If a transaction is opened here, then it will be closed ** before this function exits. */ - if( rc==SQLITE_OK && 0==sqlite3BtreeIsInReadTrans(p->pSrc) ){ + if( rc==SQLITE_OK && SQLITE_TXN_NONE==sqlite3BtreeTxnState(p->pSrc) ){ rc = sqlite3BtreeBeginTrans(p->pSrc, 0, 0); bCloseTrans = 1; } @@ -75438,7 +81289,10 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ pgszSrc = sqlite3BtreeGetPageSize(p->pSrc); pgszDest = sqlite3BtreeGetPageSize(p->pDest); destMode = sqlite3PagerGetJournalMode(sqlite3BtreePager(p->pDest)); - if( SQLITE_OK==rc && destMode==PAGER_JOURNALMODE_WAL && pgszSrc!=pgszDest ){ + if( SQLITE_OK==rc + && (destMode==PAGER_JOURNALMODE_WAL || sqlite3PagerIsMemdb(pDestPager)) + && pgszSrc!=pgszDest + ){ rc = SQLITE_READONLY; } @@ -75782,7 +81636,7 @@ SQLITE_PRIVATE int sqlite3BtreeCopyFile(Btree *pTo, Btree *pFrom){ sqlite3BtreeEnter(pTo); sqlite3BtreeEnter(pFrom); - assert( sqlite3BtreeIsInTrans(pTo) ); + assert( sqlite3BtreeTxnState(pTo)==SQLITE_TXN_WRITE ); pFd = sqlite3PagerFile(sqlite3BtreePager(pTo)); if( pFd->pMethods ){ i64 nByte = sqlite3BtreeGetPageSize(pFrom)*(i64)sqlite3BtreeLastPage(pFrom); @@ -75818,7 +81672,7 @@ SQLITE_PRIVATE int sqlite3BtreeCopyFile(Btree *pTo, Btree *pFrom){ sqlite3PagerClearCache(sqlite3BtreePager(b.pDest)); } - assert( sqlite3BtreeIsInTrans(pTo)==0 ); + assert( sqlite3BtreeTxnState(pTo)!=SQLITE_TXN_WRITE ); copy_finished: sqlite3BtreeLeave(pFrom); sqlite3BtreeLeave(pTo); @@ -75905,7 +81759,9 @@ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ /* The szMalloc field holds the correct memory allocation size */ assert( p->szMalloc==0 - || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc) ); + || (p->flags==MEM_Undefined + && p->szMalloc<=sqlite3DbMallocSize(p->db,p->zMalloc)) + || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc)); /* If p holds a string or blob, the Mem.z must point to exactly ** one of the following: @@ -75942,9 +81798,9 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ i64 x; assert( (p->flags&MEM_Int)*2==sizeof(x) ); memcpy(&x, (char*)&p->u, (p->flags&MEM_Int)*2); - sqlite3Int64ToText(x, zBuf); + p->n = sqlite3Int64ToText(x, zBuf); #else - sqlite3Int64ToText(p->u.i, zBuf); + p->n = sqlite3Int64ToText(p->u.i, zBuf); #endif }else{ sqlite3StrAccumInit(&acc, 0, zBuf, sz, 0); @@ -75952,6 +81808,7 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ (p->flags & MEM_IntReal)!=0 ? (double)p->u.i : p->u.r); assert( acc.zText==zBuf && acc.mxAlloc<=0 ); zBuf[acc.nChar] = 0; /* Fast version of sqlite3StrAccumFinish(&acc) */ + p->n = acc.nChar; } } @@ -75979,10 +81836,12 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ ** This routine is for use inside of assert() statements only. */ SQLITE_PRIVATE int sqlite3VdbeMemValidStrRep(Mem *p){ + Mem tmp; char zBuf[100]; char *z; int i, j, incr; if( (p->flags & MEM_Str)==0 ) return 1; + if( p->db && p->db->mallocFailed ) return 1; if( p->flags & MEM_Term ){ /* Insure that the string is properly zero-terminated. Pay particular ** attention to the case where p->n is odd */ @@ -75995,7 +81854,8 @@ SQLITE_PRIVATE int sqlite3VdbeMemValidStrRep(Mem *p){ assert( p->enc==SQLITE_UTF8 || p->z[((p->n+1)&~1)+1]==0 ); } if( (p->flags & (MEM_Int|MEM_Real|MEM_IntReal))==0 ) return 1; - vdbeMemRenderNum(sizeof(zBuf), zBuf, p); + memcpy(&tmp, p, sizeof(tmp)); + vdbeMemRenderNum(sizeof(zBuf), zBuf, &tmp); z = p->z; i = j = 0; incr = 1; @@ -76028,10 +81888,15 @@ SQLITE_PRIVATE int sqlite3VdbeChangeEncoding(Mem *pMem, int desiredEnc){ #ifndef SQLITE_OMIT_UTF16 int rc; #endif + assert( pMem!=0 ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); assert( desiredEnc==SQLITE_UTF8 || desiredEnc==SQLITE_UTF16LE || desiredEnc==SQLITE_UTF16BE ); - if( !(pMem->flags&MEM_Str) || pMem->enc==desiredEnc ){ + if( !(pMem->flags&MEM_Str) ){ + pMem->enc = desiredEnc; + return SQLITE_OK; + } + if( pMem->enc==desiredEnc ){ return SQLITE_OK; } assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); @@ -76069,7 +81934,9 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemGrow(Mem *pMem, int n, int bPre testcase( bPreserve && pMem->z==0 ); assert( pMem->szMalloc==0 - || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) ); + || (pMem->flags==MEM_Undefined + && pMem->szMalloc<=sqlite3DbMallocSize(pMem->db,pMem->zMalloc)) + || pMem->szMalloc==sqlite3DbMallocSize(pMem->db,pMem->zMalloc)); if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){ if( pMem->db ){ pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n); @@ -76131,6 +81998,40 @@ SQLITE_PRIVATE int sqlite3VdbeMemClearAndResize(Mem *pMem, int szNew){ return SQLITE_OK; } +/* +** If pMem is already a string, detect if it is a zero-terminated +** string, or make it into one if possible, and mark it as such. +** +** This is an optimization. Correct operation continues even if +** this routine is a no-op. +*/ +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem *pMem){ + if( (pMem->flags & (MEM_Str|MEM_Term|MEM_Ephem|MEM_Static))!=MEM_Str ){ + /* pMem must be a string, and it cannot be an ephemeral or static string */ + return; + } + if( pMem->enc!=SQLITE_UTF8 ) return; + if( NEVER(pMem->z==0) ) return; + if( pMem->flags & MEM_Dyn ){ + if( pMem->xDel==sqlite3_free + && sqlite3_msize(pMem->z) >= (u64)(pMem->n+1) + ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } + if( pMem->xDel==(void(*)(void*))sqlite3RCStrUnref ){ + /* Blindly assume that all RCStr objects are zero-terminated */ + pMem->flags |= MEM_Term; + return; + } + }else if( pMem->szMalloc >= pMem->n+1 ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } +} + /* ** It is already known that pMem contains an unterminated string. ** Add the zero terminator. @@ -76158,6 +82059,7 @@ static SQLITE_NOINLINE int vdbeMemAddTerminator(Mem *pMem){ ** Return SQLITE_OK on success or SQLITE_NOMEM if malloc fails. */ SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem *pMem){ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); if( (pMem->flags & (MEM_Str|MEM_Blob))!=0 ){ @@ -76182,6 +82084,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem *pMem){ #ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *pMem){ int nByte; + assert( pMem!=0 ); assert( pMem->flags & MEM_Zero ); assert( (pMem->flags&MEM_Blob)!=0 || MemNullNochng(pMem) ); testcase( sqlite3_value_nochange(pMem) ); @@ -76197,6 +82100,8 @@ SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *pMem){ if( sqlite3VdbeMemGrow(pMem, nByte, 1) ){ return SQLITE_NOMEM_BKPT; } + assert( pMem->z!=0 ); + assert( sqlite3DbMallocSize(pMem->db,pMem->z) >= nByte ); memset(&pMem->z[pMem->n], 0, pMem->u.nZero); pMem->n += pMem->u.nZero; @@ -76209,6 +82114,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *pMem){ ** Make sure the given Mem is \u0000 terminated. */ SQLITE_PRIVATE int sqlite3VdbeMemNulTerminate(Mem *pMem){ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); testcase( (pMem->flags & (MEM_Term|MEM_Str))==(MEM_Term|MEM_Str) ); testcase( (pMem->flags & (MEM_Term|MEM_Str))==0 ); @@ -76236,6 +82142,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemNulTerminate(Mem *pMem){ SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem *pMem, u8 enc, u8 bForce){ const int nByte = 32; + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( !(pMem->flags&MEM_Zero) ); assert( !(pMem->flags&(MEM_Str|MEM_Blob)) ); @@ -76251,7 +82158,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem *pMem, u8 enc, u8 bForce){ vdbeMemRenderNum(nByte, pMem->z, pMem); assert( pMem->z!=0 ); - pMem->n = sqlite3Strlen30NN(pMem->z); + assert( pMem->n==(int)sqlite3Strlen30NN(pMem->z) ); pMem->enc = SQLITE_UTF8; pMem->flags |= MEM_Str|MEM_Term; if( bForce ) pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal); @@ -76271,9 +82178,11 @@ SQLITE_PRIVATE int sqlite3VdbeMemFinalize(Mem *pMem, FuncDef *pFunc){ sqlite3_context ctx; Mem t; assert( pFunc!=0 ); + assert( pMem!=0 ); + assert( pMem->db!=0 ); assert( pFunc->xFinalize!=0 ); assert( (pMem->flags & MEM_Null)!=0 || pFunc==pMem->u.pDef ); - assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); + assert( sqlite3_mutex_held(pMem->db->mutex) ); memset(&ctx, 0, sizeof(ctx)); memset(&t, 0, sizeof(t)); t.flags = MEM_Null; @@ -76281,6 +82190,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemFinalize(Mem *pMem, FuncDef *pFunc){ ctx.pOut = &t; ctx.pMem = pMem; ctx.pFunc = pFunc; + ctx.enc = ENC(t.db); pFunc->xFinalize(&ctx); /* IMP: R-24505-23230 */ assert( (pMem->flags & MEM_Dyn)==0 ); if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc); @@ -76302,12 +82212,14 @@ SQLITE_PRIVATE int sqlite3VdbeMemAggValue(Mem *pAccum, Mem *pOut, FuncDef *pFunc assert( pFunc!=0 ); assert( pFunc->xValue!=0 ); assert( (pAccum->flags & MEM_Null)!=0 || pFunc==pAccum->u.pDef ); - assert( pAccum->db==0 || sqlite3_mutex_held(pAccum->db->mutex) ); + assert( pAccum->db!=0 ); + assert( sqlite3_mutex_held(pAccum->db->mutex) ); memset(&ctx, 0, sizeof(ctx)); sqlite3VdbeMemSetNull(pOut); ctx.pOut = pOut; ctx.pMem = pAccum; ctx.pFunc = pFunc; + ctx.enc = ENC(pAccum->db); pFunc->xValue(&ctx); return ctx.isError; } @@ -76373,34 +82285,12 @@ SQLITE_PRIVATE void sqlite3VdbeMemRelease(Mem *p){ } } -/* -** Convert a 64-bit IEEE double into a 64-bit signed integer. -** If the double is out of range of a 64-bit signed integer then -** return the closest available 64-bit signed integer. +/* Like sqlite3VdbeMemRelease() but faster for cases where we +** know in advance that the Mem is not MEM_Dyn or MEM_Agg. */ -static SQLITE_NOINLINE i64 doubleToInt64(double r){ -#ifdef SQLITE_OMIT_FLOATING_POINT - /* When floating-point is omitted, double and int64 are the same thing */ - return r; -#else - /* - ** Many compilers we encounter do not define constants for the - ** minimum and maximum 64-bit integers, or they define them - ** inconsistently. And many do not understand the "LL" notation. - ** So we define our own static constants here using nothing - ** larger than a 32-bit integer constant. - */ - static const i64 maxInt = LARGEST_INT64; - static const i64 minInt = SMALLEST_INT64; - - if( r<=(double)minInt ){ - return minInt; - }else if( r>=(double)maxInt ){ - return maxInt; - }else{ - return (i64)r; - } -#endif +SQLITE_PRIVATE void sqlite3VdbeMemReleaseMalloc(Mem *p){ + assert( !VdbeMemDynamic(p) ); + if( p->szMalloc ) vdbeMemClear(p); } /* @@ -76414,13 +82304,14 @@ static SQLITE_NOINLINE i64 doubleToInt64(double r){ ** ** If pMem represents a string value, its encoding might be changed. */ -static SQLITE_NOINLINE i64 memIntValue(Mem *pMem){ +static SQLITE_NOINLINE i64 memIntValue(const Mem *pMem){ i64 value = 0; sqlite3Atoi64(pMem->z, &value, pMem->n, pMem->enc); return value; } -SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem *pMem){ +SQLITE_PRIVATE i64 sqlite3VdbeIntValue(const Mem *pMem){ int flags; + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); flags = pMem->flags; @@ -76428,7 +82319,7 @@ SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem *pMem){ testcase( flags & MEM_IntReal ); return pMem->u.i; }else if( flags & MEM_Real ){ - return doubleToInt64(pMem->u.r); + return sqlite3RealToI64(pMem->u.r); }else if( (flags & (MEM_Str|MEM_Blob))!=0 && pMem->z!=0 ){ return memIntValue(pMem); }else{ @@ -76449,6 +82340,7 @@ static SQLITE_NOINLINE double memRealValue(Mem *pMem){ return val; } SQLITE_PRIVATE double sqlite3VdbeRealValue(Mem *pMem){ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); if( pMem->flags & MEM_Real ){ @@ -76476,31 +82368,35 @@ SQLITE_PRIVATE int sqlite3VdbeBooleanValue(Mem *pMem, int ifNull){ } /* -** The MEM structure is already a MEM_Real. Try to also make it a -** MEM_Int if we can. +** The MEM structure is already a MEM_Real or MEM_IntReal. Try to +** make it a MEM_Int if we can. */ SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem *pMem){ - i64 ix; - assert( pMem->flags & MEM_Real ); + assert( pMem!=0 ); + assert( pMem->flags & (MEM_Real|MEM_IntReal) ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); - ix = doubleToInt64(pMem->u.r); - - /* Only mark the value as an integer if - ** - ** (1) the round-trip conversion real->int->real is a no-op, and - ** (2) The integer is neither the largest nor the smallest - ** possible integer (ticket #3922) - ** - ** The second and third terms in the following conditional enforces - ** the second condition under the assumption that addition overflow causes - ** values to wrap around. - */ - if( pMem->u.r==ix && ix>SMALLEST_INT64 && ixu.i = ix; + if( pMem->flags & MEM_IntReal ){ MemSetTypeFlag(pMem, MEM_Int); + }else{ + i64 ix = sqlite3RealToI64(pMem->u.r); + + /* Only mark the value as an integer if + ** + ** (1) the round-trip conversion real->int->real is a no-op, and + ** (2) The integer is neither the largest nor the smallest + ** possible integer (ticket #3922) + ** + ** The second and third terms in the following conditional enforces + ** the second condition under the assumption that addition overflow causes + ** values to wrap around. + */ + if( pMem->u.r==ix && ix>SMALLEST_INT64 && ixu.i = ix; + MemSetTypeFlag(pMem, MEM_Int); + } } } @@ -76508,6 +82404,7 @@ SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem *pMem){ ** Convert pMem to type integer. Invalidate any prior representations. */ SQLITE_PRIVATE int sqlite3VdbeMemIntegerify(Mem *pMem){ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); @@ -76522,6 +82419,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemIntegerify(Mem *pMem){ ** Invalidate any prior representations. */ SQLITE_PRIVATE int sqlite3VdbeMemRealify(Mem *pMem){ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); @@ -76546,6 +82444,16 @@ SQLITE_PRIVATE int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){ && i >= -2251799813685248LL && i < 2251799813685248LL); } +/* Convert a floating point value to its closest integer. Do so in +** a way that avoids 'outside the range of representable values' warnings +** from UBSAN. +*/ +SQLITE_PRIVATE i64 sqlite3RealToI64(double r){ + if( r<-9223372036854774784.0 ) return SMALLEST_INT64; + if( r>+9223372036854774784.0 ) return LARGEST_INT64; + return (i64)r; +} + /* ** Convert pMem so that it has type MEM_Real or MEM_Int. ** Invalidate any prior representations. @@ -76555,6 +82463,7 @@ SQLITE_PRIVATE int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){ ** as much of the string as we can and ignore the rest. */ SQLITE_PRIVATE int sqlite3VdbeMemNumerify(Mem *pMem){ + assert( pMem!=0 ); testcase( pMem->flags & MEM_Int ); testcase( pMem->flags & MEM_Real ); testcase( pMem->flags & MEM_IntReal ); @@ -76566,7 +82475,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemNumerify(Mem *pMem){ assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); rc = sqlite3AtoF(pMem->z, &pMem->u.r, pMem->n, pMem->enc); if( ((rc==0 || rc==1) && sqlite3Atoi64(pMem->z, &ix, pMem->n, pMem->enc)<=1) - || sqlite3RealSameAsInt(pMem->u.r, (ix = (i64)pMem->u.r)) + || sqlite3RealSameAsInt(pMem->u.r, (ix = sqlite3RealToI64(pMem->u.r))) ){ pMem->u.i = ix; MemSetTypeFlag(pMem, MEM_Int); @@ -76612,13 +82521,17 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ break; } default: { + int rc; assert( aff==SQLITE_AFF_TEXT ); assert( MEM_Str==(MEM_Blob>>3) ); pMem->flags |= (pMem->flags&MEM_Blob)>>3; sqlite3ValueApplyAffinity(pMem, SQLITE_AFF_TEXT, encoding); assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal|MEM_Blob|MEM_Zero); - return sqlite3VdbeChangeEncoding(pMem, encoding); + if( encoding!=SQLITE_UTF8 ) pMem->n &= ~1; + rc = sqlite3VdbeChangeEncoding(pMem, encoding); + if( rc ) return rc; + sqlite3VdbeMemZeroTerminateIfAble(pMem); } } return SQLITE_OK; @@ -76664,6 +82577,7 @@ SQLITE_PRIVATE void sqlite3ValueSetNull(sqlite3_value *p){ ** Delete any previous value and set the value to be a BLOB of length ** n containing all zeros. */ +#ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ sqlite3VdbeMemRelease(pMem); pMem->flags = MEM_Blob|MEM_Zero; @@ -76673,6 +82587,21 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ pMem->enc = SQLITE_UTF8; pMem->z = 0; } +#else +SQLITE_PRIVATE int sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ + int nByte = n>0?n:1; + if( sqlite3VdbeMemGrow(pMem, nByte, 0) ){ + return SQLITE_NOMEM_BKPT; + } + assert( pMem->z!=0 ); + assert( sqlite3DbMallocSize(pMem->db, pMem->z)>=nByte ); + memset(pMem->z, 0, nByte); + pMem->n = n>0?n:0; + pMem->flags = MEM_Blob; + pMem->enc = SQLITE_UTF8; + return SQLITE_OK; +} +#endif /* ** The pMem is known to contain content that needs to be destroyed prior @@ -76712,6 +82641,7 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetPointer( void (*xDestructor)(void*) ){ assert( pMem->flags==MEM_Null ); + vdbeMemClear(pMem); pMem->u.zPType = zPType ? zPType : ""; pMem->z = pPtr; pMem->flags = MEM_Null|MEM_Dyn|MEM_Subtype|MEM_Term; @@ -76894,20 +82824,29 @@ SQLITE_PRIVATE void sqlite3VdbeMemMove(Mem *pTo, Mem *pFrom){ ** stored without allocating memory, then it is. If a memory allocation ** is required to store the string, then value of pMem is unchanged. In ** either case, SQLITE_TOOBIG is returned. +** +** The "enc" parameter is the text encoding for the string, or zero +** to store a blob. +** +** If n is negative, then the string consists of all bytes up to but +** excluding the first zero character. The n parameter must be +** non-negative for blobs. */ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( Mem *pMem, /* Memory cell to set to string value */ const char *z, /* String pointer */ - int n, /* Bytes in string, or negative */ + i64 n, /* Bytes in string, or negative */ u8 enc, /* Encoding of z. 0 for BLOBs */ void (*xDel)(void*) /* Destructor function */ ){ - int nByte = n; /* New value for pMem->n */ + i64 nByte = n; /* New value for pMem->n */ int iLimit; /* Maximum allowed string or blob size */ - u16 flags = 0; /* New value for pMem->flags */ + u16 flags; /* New value for pMem->flags */ + assert( pMem!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); + assert( enc!=0 || n>=0 ); /* If z is a NULL pointer, set pMem to contain an SQL NULL. */ if( !z ){ @@ -76920,15 +82859,30 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( }else{ iLimit = SQLITE_MAX_LENGTH; } - flags = (enc==0?MEM_Blob:MEM_Str); if( nByte<0 ){ assert( enc!=0 ); if( enc==SQLITE_UTF8 ){ - nByte = 0x7fffffff & (int)strlen(z); + nByte = strlen(z); }else{ for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){} } - flags |= MEM_Term; + flags= MEM_Str|MEM_Term; + }else if( enc==0 ){ + flags = MEM_Blob; + enc = SQLITE_UTF8; + }else{ + flags = MEM_Str; + } + if( nByte>iLimit ){ + if( xDel && xDel!=SQLITE_TRANSIENT ){ + if( xDel==SQLITE_DYNAMIC ){ + sqlite3DbFree(pMem->db, (void*)z); + }else{ + xDel((void*)z); + } + } + sqlite3VdbeMemSetNull(pMem); + return sqlite3ErrorToParser(pMem->db, SQLITE_TOOBIG); } /* The following block sets the new values of Mem.z and Mem.xDel. It @@ -76936,13 +82890,10 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( ** management (one of MEM_Dyn or MEM_Static). */ if( xDel==SQLITE_TRANSIENT ){ - u32 nAlloc = nByte; + i64 nAlloc = nByte; if( flags&MEM_Term ){ nAlloc += (enc==SQLITE_UTF8?1:2); } - if( nByte>iLimit ){ - return sqlite3ErrorToParser(pMem->db, SQLITE_TOOBIG); - } testcase( nAlloc==0 ); testcase( nAlloc==31 ); testcase( nAlloc==32 ); @@ -76962,18 +82913,9 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( } } - pMem->n = nByte; + pMem->n = (int)(nByte & 0x7fffffff); pMem->flags = flags; - if( enc ){ - pMem->enc = enc; -#ifdef SQLITE_ENABLE_SESSION - }else if( pMem->db==0 ){ - pMem->enc = SQLITE_UTF8; -#endif - }else{ - assert( pMem->db!=0 ); - pMem->enc = ENC(pMem->db); - } + pMem->enc = enc; #ifndef SQLITE_OMIT_UTF16 if( enc>SQLITE_UTF8 && sqlite3VdbeMemHandleBom(pMem) ){ @@ -76981,9 +82923,6 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( } #endif - if( nByte>iLimit ){ - return SQLITE_TOOBIG; - } return SQLITE_OK; } @@ -77116,6 +83055,24 @@ SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){ return valueToText(pVal, enc); } +/* Return true if sqlit3_value object pVal is a string or blob value +** that uses the destructor specified in the second argument. +** +** TODO: Maybe someday promote this interface into a published API so +** that third-party extensions can get access to it? +*/ +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value *pVal, void(*xFree)(void*)){ + if( ALWAYS(pVal!=0) + && ALWAYS((pVal->flags & (MEM_Str|MEM_Blob))!=0) + && (pVal->flags & MEM_Dyn)!=0 + && pVal->xDel==xFree + ){ + return 1; + }else{ + return 0; + } +} + /* ** Create a new sqlite3_value object. */ @@ -77183,6 +83140,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ } pRec->nField = p->iVal+1; + sqlite3VdbeMemSetNull(&pRec->aMem[p->iVal]); return &pRec->aMem[p->iVal]; } #else @@ -77214,7 +83172,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ #ifdef SQLITE_ENABLE_STAT4 static int valueFromFunction( sqlite3 *db, /* The database connection */ - Expr *p, /* The expression to evaluate */ + const Expr *p, /* The expression to evaluate */ u8 enc, /* Encoding to use */ u8 aff, /* Affinity to use */ sqlite3_value **ppVal, /* Write the new value here */ @@ -77231,9 +83189,14 @@ static int valueFromFunction( assert( pCtx!=0 ); assert( (p->flags & EP_TokenOnly)==0 ); + assert( ExprUseXList(p) ); pList = p->x.pList; if( pList ) nVal = pList->nExpr; + assert( !ExprHasProperty(p, EP_IntValue) ); pFunc = sqlite3FindFunction(db, p->u.zToken, nVal, enc, 0); +#ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION + if( pFunc==0 ) return SQLITE_OK; +#endif assert( pFunc ); if( (pFunc->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG))==0 || (pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) @@ -77259,10 +83222,10 @@ static int valueFromFunction( goto value_from_function_out; } - assert( pCtx->pParse->rc==SQLITE_OK ); memset(&ctx, 0, sizeof(ctx)); ctx.pOut = pVal; ctx.pFunc = pFunc; + ctx.enc = ENC(db); pFunc->xSFunc(&ctx, nVal, apVal); if( ctx.isError ){ rc = ctx.isError; @@ -77271,16 +83234,16 @@ static int valueFromFunction( sqlite3ValueApplyAffinity(pVal, aff, SQLITE_UTF8); assert( rc==SQLITE_OK ); rc = sqlite3VdbeChangeEncoding(pVal, enc); - if( rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal) ){ + if( NEVER(rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal)) ){ rc = SQLITE_TOOBIG; pCtx->pParse->nErr++; } } - pCtx->pParse->rc = rc; value_from_function_out: if( rc!=SQLITE_OK ){ pVal = 0; + pCtx->pParse->rc = rc; } if( apVal ){ for(i=0; iop)==TK_UPLUS || op==TK_SPAN ) pExpr = pExpr->pLeft; -#if defined(SQLITE_ENABLE_STAT4) if( op==TK_REGISTER ) op = pExpr->op2; -#else - if( NEVER(op==TK_REGISTER) ) op = pExpr->op2; -#endif /* Compressed expressions only appear when parsing the DEFAULT clause ** on a table column definition, and hence only when pCtx==0. This @@ -77336,12 +83295,21 @@ static int valueFromExpr( assert( (pExpr->flags & EP_TokenOnly)==0 || pCtx==0 ); if( op==TK_CAST ){ - u8 aff = sqlite3AffinityType(pExpr->u.zToken,0); + u8 aff; + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + aff = sqlite3AffinityType(pExpr->u.zToken,0); rc = valueFromExpr(db, pExpr->pLeft, enc, aff, ppVal, pCtx); testcase( rc!=SQLITE_OK ); if( *ppVal ){ - sqlite3VdbeMemCast(*ppVal, aff, SQLITE_UTF8); - sqlite3ValueApplyAffinity(*ppVal, affinity, SQLITE_UTF8); +#ifdef SQLITE_ENABLE_STAT4 + rc = ExpandBlob(*ppVal); +#else + /* zero-blobs only come from functions, not literal values. And + ** functions are only processed under STAT4 */ + assert( (ppVal[0][0].flags & MEM_Zero)==0 ); +#endif + sqlite3VdbeMemCast(*ppVal, aff, enc); + sqlite3ValueApplyAffinity(*ppVal, affinity, enc); } return rc; } @@ -77409,6 +83377,7 @@ static int valueFromExpr( #ifndef SQLITE_OMIT_BLOB_LITERAL else if( op==TK_BLOB ){ int nVal; + assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( pExpr->u.zToken[0]=='x' || pExpr->u.zToken[0]=='X' ); assert( pExpr->u.zToken[1]=='\'' ); pVal = valueNew(db, pCtx); @@ -77426,6 +83395,7 @@ static int valueFromExpr( } #endif else if( op==TK_TRUEFALSE ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); pVal = valueNew(db, pCtx); if( pVal ){ pVal->flags = MEM_Int; @@ -77438,7 +83408,7 @@ static int valueFromExpr( no_mem: #ifdef SQLITE_ENABLE_STAT4 - if( pCtx==0 || pCtx->pParse->nErr==0 ) + if( pCtx==0 || NEVER(pCtx->pParse->nErr==0) ) #endif sqlite3OomFault(db); sqlite3DbFree(db, zVal); @@ -77463,7 +83433,7 @@ static int valueFromExpr( */ SQLITE_PRIVATE int sqlite3ValueFromExpr( sqlite3 *db, /* The database connection */ - Expr *pExpr, /* The expression to evaluate */ + const Expr *pExpr, /* The expression to evaluate */ u8 enc, /* Encoding to use */ u8 affinity, /* Affinity to use */ sqlite3_value **ppVal /* Write the new value here */ @@ -77723,6 +83693,9 @@ SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value *pVal, u8 enc){ if( (p->flags & MEM_Str)!=0 && pVal->enc==enc ){ return p->n; } + if( (p->flags & MEM_Str)!=0 && enc!=SQLITE_UTF8 && pVal->enc!=SQLITE_UTF8 ){ + return p->n; + } if( (p->flags & MEM_Blob)!=0 ){ if( p->flags & MEM_Zero ){ return p->n + p->u.nZero; @@ -77768,12 +83741,12 @@ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse *pParse){ memset(&p->aOp, 0, sizeof(Vdbe)-offsetof(Vdbe,aOp)); p->db = db; if( db->pVdbe ){ - db->pVdbe->pPrev = p; + db->pVdbe->ppVPrev = &p->pVNext; } - p->pNext = db->pVdbe; - p->pPrev = 0; + p->pVNext = db->pVdbe; + p->ppVPrev = &db->pVdbe; db->pVdbe = p; - p->magic = VDBE_MAGIC_INIT; + assert( p->eVdbeState==VDBE_INIT_STATE ); p->pParse = pParse; pParse->pVdbe = p; assert( pParse->aLabel==0 ); @@ -77853,21 +83826,28 @@ SQLITE_PRIVATE int sqlite3VdbeUsesDoubleQuotedString( #endif /* -** Swap all content between two VDBE structures. +** Swap byte-code between two VDBE structures. +** +** This happens after pB was previously run and returned +** SQLITE_SCHEMA. The statement was then reprepared in pA. +** This routine transfers the new bytecode in pA over to pB +** so that pB can be run again. The old pB byte code is +** moved back to pA so that it will be cleaned up when pA is +** finalized. */ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ - Vdbe tmp, *pTmp; + Vdbe tmp, *pTmp, **ppTmp; char *zTmp; assert( pA->db==pB->db ); tmp = *pA; *pA = *pB; *pB = tmp; - pTmp = pA->pNext; - pA->pNext = pB->pNext; - pB->pNext = pTmp; - pTmp = pA->pPrev; - pA->pPrev = pB->pPrev; - pB->pPrev = pTmp; + pTmp = pA->pVNext; + pA->pVNext = pB->pVNext; + pB->pVNext = pTmp; + ppTmp = pA->ppVPrev; + pA->ppVPrev = pB->ppVPrev; + pB->ppVPrev = ppTmp; zTmp = pA->zSql; pA->zSql = pB->zSql; pB->zSql = zTmp; @@ -77918,7 +83898,7 @@ static int growOpArray(Vdbe *v, int nOp){ return SQLITE_NOMEM; } - assert( nOp<=(1024/sizeof(Op)) ); + assert( nOp<=(int)(1024/sizeof(Op)) ); assert( nNew>=(v->nOpAlloc+nOp) ); pNew = sqlite3DbRealloc(p->db, v->aOp, nNew*sizeof(Op)); if( pNew ){ @@ -77943,10 +83923,41 @@ static int growOpArray(Vdbe *v, int nOp){ */ static void test_addop_breakpoint(int pc, Op *pOp){ static int n = 0; + (void)pc; + (void)pOp; n++; } #endif +/* +** Slow paths for sqlite3VdbeAddOp3() and sqlite3VdbeAddOp4Int() for the +** unusual case when we need to increase the size of the Vdbe.aOp[] array +** before adding the new opcode. +*/ +static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ + assert( p->nOpAlloc<=p->nOp ); + if( growOpArray(p, 1) ) return 1; + assert( p->nOpAlloc>p->nOp ); + return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +} +static SQLITE_NOINLINE int addOp4IntSlow( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); + if( p->db->mallocFailed==0 ){ + VdbeOp *pOp = &p->aOp[addr]; + pOp->p4type = P4_INT32; + pOp->p4.i = p4; + } + return addr; +} + + /* ** Add a new instruction to the list of instructions current in the ** VDBE. Return the address of the new instruction. @@ -77957,30 +83968,31 @@ static void test_addop_breakpoint(int pc, Op *pOp){ ** ** op The opcode for this instruction ** -** p1, p2, p3 Operands -** -** Use the sqlite3VdbeResolveLabel() function to fix an address and -** the sqlite3VdbeChangeP4() function to change the value of the P4 -** operand. +** p1, p2, p3, p4 Operands */ -static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ - assert( p->nOpAlloc<=p->nOp ); - if( growOpArray(p, 1) ) return 1; - assert( p->nOpAlloc>p->nOp ); - return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ + return sqlite3VdbeAddOp3(p, op, 0, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ + return sqlite3VdbeAddOp3(p, op, p1, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ + return sqlite3VdbeAddOp3(p, op, p1, p2, 0); } SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ int i; VdbeOp *pOp; i = p->nOp; - assert( p->magic==VDBE_MAGIC_INIT ); + assert( p->eVdbeState==VDBE_INIT_STATE ); assert( op>=0 && op<0xff ); if( p->nOpAlloc<=i ){ return growOp3(p, op, p1, p2, p3); } + assert( p->aOp!=0 ); p->nOp++; pOp = &p->aOp[i]; + assert( pOp!=0 ); pOp->opcode = (u8)op; pOp->p5 = 0; pOp->p1 = p1; @@ -77988,32 +84000,78 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ pOp->p3 = p3; pOp->p4.p = 0; pOp->p4type = P4_NOTUSED; + + /* Replicate this logic in sqlite3VdbeAddOp4Int() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS pOp->zComment = 0; #endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec = 0; + pOp->nCycle = 0; +#endif #ifdef SQLITE_DEBUG if( p->db->flags & SQLITE_VdbeAddopTrace ){ sqlite3VdbePrintOp(0, i, &p->aOp[i]); test_addop_breakpoint(i, &p->aOp[i]); } #endif -#ifdef VDBE_PROFILE - pOp->cycles = 0; - pOp->cnt = 0; -#endif #ifdef SQLITE_VDBE_COVERAGE pOp->iSrcLine = 0; #endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp4Int() */ + return i; } -SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ - return sqlite3VdbeAddOp3(p, op, 0, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ - return sqlite3VdbeAddOp3(p, op, p1, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ - return sqlite3VdbeAddOp3(p, op, p1, p2, 0); +SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int i; + VdbeOp *pOp; + + i = p->nOp; + if( p->nOpAlloc<=i ){ + return addOp4IntSlow(p, op, p1, p2, p3, p4); + } + p->nOp++; + pOp = &p->aOp[i]; + assert( pOp!=0 ); + pOp->opcode = (u8)op; + pOp->p5 = 0; + pOp->p1 = p1; + pOp->p2 = p2; + pOp->p3 = p3; + pOp->p4.i = p4; + pOp->p4type = P4_INT32; + + /* Replicate this logic in sqlite3VdbeAddOp3() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + pOp->zComment = 0; +#endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec = 0; + pOp->nCycle = 0; +#endif +#ifdef SQLITE_DEBUG + if( p->db->flags & SQLITE_VdbeAddopTrace ){ + sqlite3VdbePrintOp(0, i, &p->aOp[i]); + test_addop_breakpoint(i, &p->aOp[i]); + } +#endif +#ifdef SQLITE_VDBE_COVERAGE + pOp->iSrcLine = 0; +#endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp3() */ + + return i; } /* Generate code for an unconditional jump to instruction iDest @@ -78117,6 +84175,7 @@ SQLITE_PRIVATE int sqlite3VdbeAddFunctionCall( addr = sqlite3VdbeAddOp4(v, eCallCtx ? OP_PureFunc : OP_Function, p1, p2, p3, (char*)pCtx, P4_FUNCCTX); sqlite3VdbeChangeP5(v, eCallCtx & NC_SelfRef); + sqlite3MayAbort(pParse); return addr; } @@ -78167,11 +84226,12 @@ SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ ** If the bPush flag is true, then make this opcode the parent for ** subsequent Explains until sqlite3VdbeExplainPop() is called. */ -SQLITE_PRIVATE void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ -#ifndef SQLITE_DEBUG +SQLITE_PRIVATE int sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ + int addr = 0; +#if !defined(SQLITE_DEBUG) /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined. ** But omit them (for performance) during production builds */ - if( pParse->explain==2 ) + if( pParse->explain==2 || IS_STMT_SCANSTATUS(pParse->db) ) #endif { char *zMsg; @@ -78183,13 +84243,15 @@ SQLITE_PRIVATE void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt va_end(ap); v = pParse->pVdbe; iThis = v->nOp; - sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0, + addr = sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0, zMsg, P4_DYNAMIC); - sqlite3ExplainBreakpoint(bPush?"PUSH":"", sqlite3VdbeGetOp(v,-1)->p4.z); + sqlite3ExplainBreakpoint(bPush?"PUSH":"", sqlite3VdbeGetLastOp(v)->p4.z); if( bPush){ pParse->addrExplain = iThis; } + sqlite3VdbeScanStatus(v, iThis, -1, -1, 0, 0); } + return addr; } /* @@ -78209,30 +84271,12 @@ SQLITE_PRIVATE void sqlite3VdbeExplainPop(Parse *pParse){ ** The zWhere string must have been obtained from sqlite3_malloc(). ** This routine will take ownership of the allocated memory. */ -SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe *p, int iDb, char *zWhere){ +SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe *p, int iDb, char *zWhere, u16 p5){ int j; sqlite3VdbeAddOp4(p, OP_ParseSchema, iDb, 0, 0, zWhere, P4_DYNAMIC); + sqlite3VdbeChangeP5(p, p5); for(j=0; jdb->nDb; j++) sqlite3VdbeUsesBtree(p, j); -} - -/* -** Add an opcode that includes the p4 value as an integer. -*/ -SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( - Vdbe *p, /* Add the opcode to this VM */ - int op, /* The new opcode */ - int p1, /* The P1 operand */ - int p2, /* The P2 operand */ - int p3, /* The P3 operand */ - int p4 /* The P4 operand as an integer */ -){ - int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); - if( p->db->mallocFailed==0 ){ - VdbeOp *pOp = &p->aOp[addr]; - pOp->p4type = P4_INT32; - pOp->p4.i = p4; - } - return addr; + sqlite3MayAbort(p->pParse); } /* Insert the end of a co-routine @@ -78295,6 +84339,9 @@ static SQLITE_NOINLINE void resizeResolveLabel(Parse *p, Vdbe *v, int j){ int i; for(i=p->nLabelAlloc; iaLabel[i] = -1; #endif + if( nNewSize>=100 && (nNewSize/100)>(p->nLabelAlloc/100) ){ + sqlite3ProgressCheck(p); + } p->nLabelAlloc = nNewSize; p->aLabel[j] = v->nOp; } @@ -78302,7 +84349,7 @@ static SQLITE_NOINLINE void resizeResolveLabel(Parse *p, Vdbe *v, int j){ SQLITE_PRIVATE void sqlite3VdbeResolveLabel(Vdbe *v, int x){ Parse *p = v->pParse; int j = ADDR(x); - assert( v->magic==VDBE_MAGIC_INIT ); + assert( v->eVdbeState==VDBE_INIT_STATE ); assert( j<-p->nLabel ); assert( j>=0 ); #ifdef SQLITE_DEBUG @@ -78322,14 +84369,20 @@ SQLITE_PRIVATE void sqlite3VdbeResolveLabel(Vdbe *v, int x){ ** Mark the VDBE as one that can only be run one time. */ SQLITE_PRIVATE void sqlite3VdbeRunOnlyOnce(Vdbe *p){ - p->runOnlyOnce = 1; + sqlite3VdbeAddOp2(p, OP_Expire, 1, 1); } /* -** Mark the VDBE as one that can only be run multiple times. +** Mark the VDBE as one that can be run multiple times. */ SQLITE_PRIVATE void sqlite3VdbeReusable(Vdbe *p){ - p->runOnlyOnce = 0; + int i; + for(i=1; ALWAYS(inOp); i++){ + if( ALWAYS(p->aOp[i].opcode==OP_Expire) ){ + p->aOp[1].opcode = OP_Noop; + break; + } + } } #ifdef SQLITE_DEBUG /* sqlite3AssertMayAbort() logic */ @@ -78433,6 +84486,8 @@ SQLITE_PRIVATE int sqlite3VdbeAssertMayAbort(Vdbe *v, int mayAbort){ int hasInitCoroutine = 0; Op *pOp; VdbeOpIter sIter; + + if( v==0 ) return 0; memset(&sIter, 0, sizeof(sIter)); sIter.v = v; @@ -78441,7 +84496,8 @@ SQLITE_PRIVATE int sqlite3VdbeAssertMayAbort(Vdbe *v, int mayAbort){ if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename || opcode==OP_VDestroy || opcode==OP_VCreate - || (opcode==OP_ParseSchema && pOp->p4.z==0) + || opcode==OP_ParseSchema + || opcode==OP_Function || opcode==OP_PureFunc || ((opcode==OP_Halt || opcode==OP_HaltIfNull) && ((pOp->p1)!=SQLITE_OK && pOp->p2==OE_Abort)) ){ @@ -78516,7 +84572,7 @@ SQLITE_PRIVATE void sqlite3VdbeAssertAbortable(Vdbe *p){ ** (3) Update the Vdbe.readOnly and Vdbe.bIsReader flags to accurately ** indicate what the prepared statement actually does. ** -** (4) Initialize the p4.xAdvance pointer on opcodes that use it. +** (4) (discontinued) ** ** (5) Reclaim the memory allocated for storing labels. ** @@ -78529,11 +84585,13 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ Op *pOp; Parse *pParse = p->pParse; int *aLabel = pParse->aLabel; + + assert( pParse->db->mallocFailed==0 ); /* tag-20230419-1 */ p->readOnly = 1; p->bIsReader = 0; pOp = &p->aOp[p->nOp-1]; - while(1){ - + assert( p->aOp[0].opcode==OP_Init ); + while( 1 /* Loop terminates when it reaches the OP_Init opcode */ ){ /* Only JUMP opcodes and the short list of special opcodes in the switch ** below need to be considered. The mkopcodeh.tcl generator script groups ** all these opcodes together near the front of the opcode list. Skip @@ -78562,24 +84620,9 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ p->bIsReader = 1; break; } - case OP_Next: - case OP_SorterNext: { - pOp->p4.xAdvance = sqlite3BtreeNext; - pOp->p4type = P4_ADVANCE; - /* The code generator never codes any of these opcodes as a jump - ** to a label. They are always coded as a jump backwards to a - ** known address */ + case OP_Init: { assert( pOp->p2>=0 ); - break; - } - case OP_Prev: { - pOp->p4.xAdvance = sqlite3BtreePrevious; - pOp->p4type = P4_ADVANCE; - /* The code generator never codes any of these opcodes as a jump - ** to a label. They are always coded as a jump backwards to a - ** known address */ - assert( pOp->p2>=0 ); - break; + goto resolve_p2_values_loop_exit; } #ifndef SQLITE_OMIT_VIRTUALTABLE case OP_VUpdate: { @@ -78603,6 +84646,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ ** have non-negative values for P2. */ assert( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 ); assert( ADDR(pOp->p2)<-pParse->nLabel ); + assert( aLabel!=0 ); /* True because of tag-20230419-1 */ pOp->p2 = aLabel[ADDR(pOp->p2)]; } break; @@ -78613,21 +84657,108 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ ** have non-negative values for P2. */ assert( (sqlite3OpcodeProperty[pOp->opcode]&OPFLG_JUMP)==0 || pOp->p2>=0); } - if( pOp==p->aOp ) break; + assert( pOp>p->aOp ); pOp--; } - sqlite3DbFree(p->db, pParse->aLabel); - pParse->aLabel = 0; +resolve_p2_values_loop_exit: + if( aLabel ){ + sqlite3DbNNFreeNN(p->db, pParse->aLabel); + pParse->aLabel = 0; + } pParse->nLabel = 0; *pMaxFuncArgs = nMaxArgs; assert( p->bIsReader!=0 || DbMaskAllZero(p->btreeMask) ); } +#ifdef SQLITE_DEBUG +/* +** Check to see if a subroutine contains a jump to a location outside of +** the subroutine. If a jump outside the subroutine is detected, add code +** that will cause the program to halt with an error message. +** +** The subroutine consists of opcodes between iFirst and iLast. Jumps to +** locations within the subroutine are acceptable. iRetReg is a register +** that contains the return address. Jumps to outside the range of iFirst +** through iLast are also acceptable as long as the jump destination is +** an OP_Return to iReturnAddr. +** +** A jump to an unresolved label means that the jump destination will be +** beyond the current address. That is normally a jump to an early +** termination and is consider acceptable. +** +** This routine only runs during debug builds. The purpose is (of course) +** to detect invalid escapes out of a subroutine. The OP_Halt opcode +** is generated rather than an assert() or other error, so that ".eqp full" +** will still work to show the original bytecode, to aid in debugging. +*/ +SQLITE_PRIVATE void sqlite3VdbeNoJumpsOutsideSubrtn( + Vdbe *v, /* The byte-code program under construction */ + int iFirst, /* First opcode of the subroutine */ + int iLast, /* Last opcode of the subroutine */ + int iRetReg /* Subroutine return address register */ +){ + VdbeOp *pOp; + Parse *pParse; + int i; + sqlite3_str *pErr = 0; + assert( v!=0 ); + pParse = v->pParse; + assert( pParse!=0 ); + if( pParse->nErr ) return; + assert( iLast>=iFirst ); + assert( iLastnOp ); + pOp = &v->aOp[iFirst]; + for(i=iFirst; i<=iLast; i++, pOp++){ + if( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 ){ + int iDest = pOp->p2; /* Jump destination */ + if( iDest==0 ) continue; + if( pOp->opcode==OP_Gosub ) continue; + if( iDest<0 ){ + int j = ADDR(iDest); + assert( j>=0 ); + if( j>=-pParse->nLabel || pParse->aLabel[j]<0 ){ + continue; + } + iDest = pParse->aLabel[j]; + } + if( iDestiLast ){ + int j = iDest; + for(; jnOp; j++){ + VdbeOp *pX = &v->aOp[j]; + if( pX->opcode==OP_Return ){ + if( pX->p1==iRetReg ) break; + continue; + } + if( pX->opcode==OP_Noop ) continue; + if( pX->opcode==OP_Explain ) continue; + if( pErr==0 ){ + pErr = sqlite3_str_new(0); + }else{ + sqlite3_str_appendchar(pErr, 1, '\n'); + } + sqlite3_str_appendf(pErr, + "Opcode at %d jumps to %d which is outside the " + "subroutine at %d..%d", + i, iDest, iFirst, iLast); + break; + } + } + } + } + if( pErr ){ + char *zErr = sqlite3_str_finish(pErr); + sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_INTERNAL, OE_Abort, 0, zErr, 0); + sqlite3_free(zErr); + sqlite3MayAbort(pParse); + } +} +#endif /* SQLITE_DEBUG */ + /* ** Return the address of the next instruction to be inserted. */ SQLITE_PRIVATE int sqlite3VdbeCurrentAddr(Vdbe *p){ - assert( p->magic==VDBE_MAGIC_INIT ); + assert( p->eVdbeState==VDBE_INIT_STATE ); return p->nOp; } @@ -78712,7 +84843,7 @@ SQLITE_PRIVATE VdbeOp *sqlite3VdbeAddOpList( int i; VdbeOp *pOut, *pFirst; assert( nOp>0 ); - assert( p->magic==VDBE_MAGIC_INIT ); + assert( p->eVdbeState==VDBE_INIT_STATE ); if( p->nOp + nOp > p->nOpAlloc && growOpArray(p, nOp) ){ return 0; } @@ -78759,20 +84890,83 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatus( LogEst nEst, /* Estimated number of output rows */ const char *zName /* Name of table or index being scanned */ ){ - sqlite3_int64 nByte = (p->nScan+1) * sizeof(ScanStatus); - ScanStatus *aNew; - aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte); - if( aNew ){ - ScanStatus *pNew = &aNew[p->nScan++]; - pNew->addrExplain = addrExplain; - pNew->addrLoop = addrLoop; - pNew->addrVisit = addrVisit; - pNew->nEst = nEst; - pNew->zName = sqlite3DbStrDup(p->db, zName); - p->aScan = aNew; + if( IS_STMT_SCANSTATUS(p->db) ){ + sqlite3_int64 nByte = (p->nScan+1) * sizeof(ScanStatus); + ScanStatus *aNew; + aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte); + if( aNew ){ + ScanStatus *pNew = &aNew[p->nScan++]; + memset(pNew, 0, sizeof(ScanStatus)); + pNew->addrExplain = addrExplain; + pNew->addrLoop = addrLoop; + pNew->addrVisit = addrVisit; + pNew->nEst = nEst; + pNew->zName = sqlite3DbStrDup(p->db, zName); + p->aScan = aNew; + } } } -#endif + +/* +** Add the range of instructions from addrStart to addrEnd (inclusive) to +** the set of those corresponding to the sqlite3_stmt_scanstatus() counters +** associated with the OP_Explain instruction at addrExplain. The +** sum of the sqlite3Hwtime() values for each of these instructions +** will be returned for SQLITE_SCANSTAT_NCYCLE requests. +*/ +SQLITE_PRIVATE void sqlite3VdbeScanStatusRange( + Vdbe *p, + int addrExplain, + int addrStart, + int addrEnd +){ + if( IS_STMT_SCANSTATUS(p->db) ){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + if( addrEnd<0 ) addrEnd = sqlite3VdbeCurrentAddr(p)-1; + for(ii=0; iiaAddrRange); ii+=2){ + if( pScan->aAddrRange[ii]==0 ){ + pScan->aAddrRange[ii] = addrStart; + pScan->aAddrRange[ii+1] = addrEnd; + break; + } + } + } + } +} + +/* +** Set the addresses for the SQLITE_SCANSTAT_NLOOP and SQLITE_SCANSTAT_NROW +** counters for the query element associated with the OP_Explain at +** addrExplain. +*/ +SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters( + Vdbe *p, + int addrExplain, + int addrLoop, + int addrVisit +){ + if( IS_STMT_SCANSTATUS(p->db) ){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + if( addrLoop>0 ) pScan->addrLoop = addrLoop; + if( addrVisit>0 ) pScan->addrVisit = addrVisit; + } + } +} +#endif /* defined(SQLITE_ENABLE_STMT_SCANSTATUS) */ /* @@ -78780,15 +84974,19 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatus( ** for a specific instruction. */ SQLITE_PRIVATE void sqlite3VdbeChangeOpcode(Vdbe *p, int addr, u8 iNewOpcode){ + assert( addr>=0 ); sqlite3VdbeGetOp(p,addr)->opcode = iNewOpcode; } SQLITE_PRIVATE void sqlite3VdbeChangeP1(Vdbe *p, int addr, int val){ + assert( addr>=0 ); sqlite3VdbeGetOp(p,addr)->p1 = val; } SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe *p, int addr, int val){ + assert( addr>=0 || p->db->mallocFailed ); sqlite3VdbeGetOp(p,addr)->p2 = val; } SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe *p, int addr, int val){ + assert( addr>=0 ); sqlite3VdbeGetOp(p,addr)->p3 = val; } SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe *p, u16 p5){ @@ -78796,6 +84994,18 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe *p, u16 p5){ if( p->nOp>0 ) p->aOp[p->nOp-1].p5 = p5; } +/* +** If the previous opcode is an OP_Column that delivers results +** into register iDest, then add the OPFLAG_TYPEOFARG flag to that +** opcode. +*/ +SQLITE_PRIVATE void sqlite3VdbeTypeofColumn(Vdbe *p, int iDest){ + VdbeOp *pOp = sqlite3VdbeGetLastOp(p); + if( pOp->p3==iDest && pOp->opcode==OP_Column ){ + pOp->p5 |= OPFLAG_TYPEOFARG; + } +} + /* ** Change the P2 operand of instruction addr so that it points to ** the address of the next instruction to be coded. @@ -78824,7 +85034,7 @@ SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe *p, int addr){ || p->aOp[addr].opcode==OP_FkIfZero ); assert( p->aOp[addr].p4type==0 ); #ifdef SQLITE_VDBE_COVERAGE - sqlite3VdbeGetOp(p,-1)->iSrcLine = 0; /* Erase VdbeCoverage() macros */ + sqlite3VdbeGetLastOp(p)->iSrcLine = 0; /* Erase VdbeCoverage() macros */ #endif p->nOp--; }else{ @@ -78835,11 +85045,12 @@ SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe *p, int addr){ /* ** If the input FuncDef structure is ephemeral, then free it. If -** the FuncDef is not ephermal, then do nothing. +** the FuncDef is not ephemeral, then do nothing. */ static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){ + assert( db!=0 ); if( (pDef->funcFlags & SQLITE_FUNC_EPHEM)!=0 ){ - sqlite3DbFreeNN(db, pDef); + sqlite3DbNNFreeNN(db, pDef); } } @@ -78848,11 +85059,12 @@ static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){ */ static SQLITE_NOINLINE void freeP4Mem(sqlite3 *db, Mem *p){ if( p->szMalloc ) sqlite3DbFree(db, p->zMalloc); - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } static SQLITE_NOINLINE void freeP4FuncCtx(sqlite3 *db, sqlite3_context *p){ + assert( db!=0 ); freeEphemeralFunction(db, p->pFunc); - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } static void freeP4(sqlite3 *db, int p4type, void *p4){ assert( db ); @@ -78864,9 +85076,8 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){ case P4_REAL: case P4_INT64: case P4_DYNAMIC: - case P4_DYNBLOB: case P4_INTARRAY: { - sqlite3DbFree(db, p4); + if( p4 ) sqlite3DbNNFreeNN(db, p4); break; } case P4_KEYINFO: { @@ -78904,15 +85115,19 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){ ** nOp entries. */ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ + assert( nOp>=0 ); + assert( db!=0 ); if( aOp ){ - Op *pOp; - for(pOp=&aOp[nOp-1]; pOp>=aOp; pOp--){ + Op *pOp = &aOp[nOp-1]; + while(1){ /* Exit via break */ if( pOp->p4type <= P4_FREE_IF_LE ) freeP4(db, pOp->p4type, pOp->p4.p); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS sqlite3DbFree(db, pOp->zComment); #endif + if( pOp==aOp ) break; + pOp--; } - sqlite3DbFreeNN(db, aOp); + sqlite3DbNNFreeNN(db, aOp); } } @@ -78972,7 +85187,7 @@ SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters( u32 mask, /* Mask of registers to NOT release */ int bUndefine /* If true, mark registers as undefined */ ){ - if( N==0 ) return; + if( N==0 || OptimizationDisabled(pParse->db, SQLITE_ReleaseReg) ) return; assert( pParse->pVdbe ); assert( iFirst>=1 ); assert( iFirst+N-1<=pParse->nMem ); @@ -78994,7 +85209,6 @@ SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters( } #endif /* SQLITE_DEBUG */ - /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a @@ -79036,7 +85250,7 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe *p, int addr, const char *zP4, int sqlite3 *db; assert( p!=0 ); db = p->db; - assert( p->magic==VDBE_MAGIC_INIT ); + assert( p->eVdbeState==VDBE_INIT_STATE ); assert( p->aOp!=0 || db->mallocFailed ); if( db->mallocFailed ){ if( n!=P4_VTAB ) freeP4(db, n, (void*)*(char**)&zP4); @@ -79081,7 +85295,7 @@ SQLITE_PRIVATE void sqlite3VdbeAppendP4(Vdbe *p, void *pP4, int n){ if( p->db->mallocFailed ){ freeP4(p->db, n, pP4); }else{ - assert( pP4!=0 ); + assert( pP4!=0 || n==P4_DYNAMIC ); assert( p->nOp>0 ); pOp = &p->aOp[p->nOp-1]; assert( pOp->p4type==P4_NOTUSED ); @@ -79112,8 +85326,7 @@ SQLITE_PRIVATE void sqlite3VdbeSetP4KeyInfo(Parse *pParse, Index *pIdx){ */ static void vdbeVComment(Vdbe *p, const char *zFormat, va_list ap){ assert( p->nOp>0 || p->aOp==0 ); - assert( p->aOp==0 || p->aOp[p->nOp-1].zComment==0 || p->db->mallocFailed - || p->pParse->nErr>0 ); + assert( p->aOp==0 || p->aOp[p->nOp-1].zComment==0 || p->pParse->nErr>0 ); if( p->nOp ){ assert( p->aOp ); sqlite3DbFree(p->db, p->aOp[p->nOp-1].zComment); @@ -79144,13 +85357,13 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe *p, const char *zFormat, ...){ ** Set the value if the iSrcLine field for the previously coded instruction. */ SQLITE_PRIVATE void sqlite3VdbeSetLineNumber(Vdbe *v, int iLine){ - sqlite3VdbeGetOp(v,-1)->iSrcLine = iLine; + sqlite3VdbeGetLastOp(v)->iSrcLine = iLine; } #endif /* SQLITE_VDBE_COVERAGE */ /* -** Return the opcode for a given address. If the address is -1, then -** return the most recently inserted opcode. +** Return the opcode for a given address. The address must be non-negative. +** See sqlite3VdbeGetLastOp() to get the most recently added opcode. ** ** If a memory allocation error has occurred prior to the calling of this ** routine, then a pointer to a dummy VdbeOp will be returned. That opcode @@ -79165,10 +85378,7 @@ SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetOp(Vdbe *p, int addr){ /* C89 specifies that the constant "dummy" will be initialized to all ** zeros, which is correct. MSVC generates a warning, nevertheless. */ static VdbeOp dummy; /* Ignore the MSVC warning about no initializer */ - assert( p->magic==VDBE_MAGIC_INIT ); - if( addr<0 ){ - addr = p->nOp - 1; - } + assert( p->eVdbeState==VDBE_INIT_STATE ); assert( (addr>=0 && addrnOp) || p->db->mallocFailed ); if( p->db->mallocFailed ){ return (VdbeOp*)&dummy; @@ -79177,6 +85387,12 @@ SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetOp(Vdbe *p, int addr){ } } +/* Return the most recently added opcode +*/ +SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetLastOp(Vdbe *p){ + return sqlite3VdbeGetOp(p, p->nOp - 1); +} + #if defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) /* ** Return an integer value for one of the parameters to the opcode pOp @@ -79221,13 +85437,9 @@ SQLITE_PRIVATE char *sqlite3VdbeDisplayComment( if( zOpName[nOpName+1] ){ int seenCom = 0; char c; - zSynopsis = zOpName += nOpName + 1; + zSynopsis = zOpName + nOpName + 1; if( strncmp(zSynopsis,"IF ",3)==0 ){ - if( pOp->p5 & SQLITE_STOREP2 ){ - sqlite3_snprintf(sizeof(zAlt), zAlt, "r[P2] = (%s)", zSynopsis+3); - }else{ - sqlite3_snprintf(sizeof(zAlt), zAlt, "if %s goto P2", zSynopsis+3); - } + sqlite3_snprintf(sizeof(zAlt), zAlt, "if %s goto P2", zSynopsis+3); zSynopsis = zAlt; } for(ii=0; (c = zSynopsis[ii])!=0; ii++){ @@ -79236,8 +85448,11 @@ SQLITE_PRIVATE char *sqlite3VdbeDisplayComment( if( c=='4' ){ sqlite3_str_appendall(&x, zP4); }else if( c=='X' ){ - sqlite3_str_appendall(&x, pOp->zComment); - seenCom = 1; + if( pOp->zComment && pOp->zComment[0] ){ + sqlite3_str_appendall(&x, pOp->zComment); + seenCom = 1; + break; + } }else{ int v1 = translateP(c, pOp); int v2; @@ -79259,7 +85474,7 @@ SQLITE_PRIVATE char *sqlite3VdbeDisplayComment( sqlite3_str_appendf(&x, "%d", v1); }else if( pCtx->argc>1 ){ sqlite3_str_appendf(&x, "%d..%d", v1, v1+pCtx->argc-1); - }else{ + }else if( x.accError==0 ){ assert( x.nChar>2 ); x.nChar -= 2; ii++; @@ -79298,6 +85513,7 @@ static void displayP4Expr(StrAccum *p, Expr *pExpr){ const char *zOp = 0; switch( pExpr->op ){ case TK_STRING: + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3_str_appendf(p, "%Q", pExpr->u.zToken); break; case TK_INTEGER: @@ -79400,7 +85616,7 @@ SQLITE_PRIVATE char *sqlite3VdbeDisplayP4(sqlite3 *db, Op *pOp){ case P4_COLLSEQ: { static const char *const encnames[] = {"?", "8", "16LE", "16BE"}; CollSeq *pColl = pOp->p4.pColl; - assert( pColl->enc>=0 && pColl->enc<4 ); + assert( pColl->enc<4 ); sqlite3_str_appendf(&x, "%.18s-%s", pColl->zName, encnames[pColl->enc]); break; @@ -79465,10 +85681,6 @@ SQLITE_PRIVATE char *sqlite3VdbeDisplayP4(sqlite3 *db, Op *pOp){ zP4 = "program"; break; } - case P4_DYNBLOB: - case P4_ADVANCE: { - break; - } case P4_TABLE: { zP4 = pOp->p4.pTab->zName; break; @@ -79600,21 +85812,40 @@ SQLITE_PRIVATE void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){ /* ** Initialize an array of N Mem element. +** +** This is a high-runner, so only those fields that really do need to +** be initialized are set. The Mem structure is organized so that +** the fields that get initialized are nearby and hopefully on the same +** cache line. +** +** Mem.flags = flags +** Mem.db = db +** Mem.szMalloc = 0 +** +** All other fields of Mem can safely remain uninitialized for now. They +** will be initialized before use. */ static void initMemArray(Mem *p, int N, sqlite3 *db, u16 flags){ - while( (N--)>0 ){ - p->db = db; - p->flags = flags; - p->szMalloc = 0; + if( N>0 ){ + do{ + p->flags = flags; + p->db = db; + p->szMalloc = 0; #ifdef SQLITE_DEBUG - p->pScopyFrom = 0; + p->pScopyFrom = 0; #endif - p++; + p++; + }while( (--N)>0 ); } } /* -** Release an array of N Mem elements +** Release auxiliary memory held in an array of N Mem elements. +** +** After this routine returns, all Mem elements in the array will still +** be valid. Those Mem elements that were not holding auxiliary resources +** will be unchanged. Mem elements which had something freed will be +** set to MEM_Undefined. */ static void releaseMemArray(Mem *p, int N){ if( p && N ){ @@ -79644,15 +85875,20 @@ static void releaseMemArray(Mem *p, int N){ */ testcase( p->flags & MEM_Agg ); testcase( p->flags & MEM_Dyn ); - testcase( p->xDel==sqlite3VdbeFrameMemDel ); if( p->flags&(MEM_Agg|MEM_Dyn) ){ + testcase( (p->flags & MEM_Dyn)!=0 && p->xDel==sqlite3VdbeFrameMemDel ); sqlite3VdbeMemRelease(p); + p->flags = MEM_Undefined; }else if( p->szMalloc ){ - sqlite3DbFreeNN(db, p->zMalloc); + sqlite3DbNNFreeNN(db, p->zMalloc); p->szMalloc = 0; + p->flags = MEM_Undefined; } - - p->flags = MEM_Undefined; +#ifdef SQLITE_DEBUG + else{ + p->flags = MEM_Undefined; + } +#endif }while( (++p)nChildMem]; assert( sqlite3VdbeFrameIsValid(p) ); for(i=0; inChildCsr; i++){ - sqlite3VdbeFreeCursor(p->v, apCsr[i]); + if( apCsr[i] ) sqlite3VdbeFreeCursorNN(p->v, apCsr[i]); } releaseMemArray(aMem, p->nChildMem); sqlite3VdbeDeleteAuxData(p->v->db, &p->pAuxData, -1, 0); @@ -79850,7 +86086,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( Op *pOp; /* Current opcode */ assert( p->explain ); - assert( p->magic==VDBE_MAGIC_RUN ); + assert( p->eVdbeState==VDBE_RUN_STATE ); assert( p->rc==SQLITE_OK || p->rc==SQLITE_BUSY || p->rc==SQLITE_NOMEM ); /* Even though this opcode does not use dynamic strings for @@ -79858,7 +86094,6 @@ SQLITE_PRIVATE int sqlite3VdbeList( ** sqlite3_column_text16(), causing a translation to UTF-16 encoding. */ releaseMemArray(pMem, 8); - p->pResultSet = 0; if( p->rc==SQLITE_NOMEM ){ /* This happens if a malloc() inside a call to sqlite3_column_text() or @@ -79894,7 +86129,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetInt64(pMem+1, pOp->p2); sqlite3VdbeMemSetInt64(pMem+2, pOp->p3); sqlite3VdbeMemSetStr(pMem+3, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 4; + assert( p->nResColumn==4 ); }else{ sqlite3VdbeMemSetInt64(pMem+0, i); sqlite3VdbeMemSetStr(pMem+1, (char*)sqlite3OpcodeName(pOp->opcode), @@ -79913,9 +86148,9 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetNull(pMem+7); #endif sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 8; + assert( p->nResColumn==8 ); } - p->pResultSet = pMem; + p->pResultRow = pMem; if( db->mallocFailed ){ p->rc = SQLITE_NOMEM; rc = SQLITE_ERROR; @@ -80005,11 +86240,11 @@ struct ReusableSpace { static void *allocSpace( struct ReusableSpace *p, /* Bulk memory available for allocation */ void *pBuf, /* Pointer to a prior allocation */ - sqlite3_int64 nByte /* Bytes of memory needed */ + sqlite3_int64 nByte /* Bytes of memory needed. */ ){ assert( EIGHT_BYTE_ALIGNMENT(p->pSpace) ); if( pBuf==0 ){ - nByte = ROUND8(nByte); + nByte = ROUND8P(nByte); if( nByte <= p->nFree ){ p->nFree -= nByte; pBuf = &p->pSpace[p->nFree]; @@ -80026,18 +86261,19 @@ static void *allocSpace( ** running it. */ SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe *p){ -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) +#if defined(SQLITE_DEBUG) int i; #endif assert( p!=0 ); - assert( p->magic==VDBE_MAGIC_INIT || p->magic==VDBE_MAGIC_RESET ); + assert( p->eVdbeState==VDBE_INIT_STATE + || p->eVdbeState==VDBE_READY_STATE + || p->eVdbeState==VDBE_HALT_STATE ); /* There should be at least one opcode. */ assert( p->nOp>0 ); - /* Set the magic to VDBE_MAGIC_RUN sooner rather than later. */ - p->magic = VDBE_MAGIC_RUN; + p->eVdbeState = VDBE_READY_STATE; #ifdef SQLITE_DEBUG for(i=0; inMem; i++){ @@ -80054,8 +86290,8 @@ SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe *p){ p->nFkConstraint = 0; #ifdef VDBE_PROFILE for(i=0; inOp; i++){ - p->aOp[i].cnt = 0; - p->aOp[i].cycles = 0; + p->aOp[i].nExec = 0; + p->aOp[i].nCycle = 0; } #endif } @@ -80093,8 +86329,10 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( assert( p!=0 ); assert( p->nOp>0 ); assert( pParse!=0 ); - assert( p->magic==VDBE_MAGIC_INIT ); + assert( p->eVdbeState==VDBE_INIT_STATE ); assert( pParse==p->pParse ); + p->pVList = pParse->pVList; + pParse->pVList = 0; db = p->db; assert( db->mallocFailed==0 ); nVar = pParse->nVar; @@ -80114,7 +86352,7 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( ** opcode array. This extra memory will be reallocated for other elements ** of the prepared statement. */ - n = ROUND8(sizeof(Op)*p->nOp); /* Bytes of opcode memory used */ + n = ROUND8P(sizeof(Op)*p->nOp); /* Bytes of opcode memory used */ x.pSpace = &((u8*)p->aOp)[n]; /* Unused opcode memory */ assert( EIGHT_BYTE_ALIGNMENT(x.pSpace) ); x.nFree = ROUNDDOWN8(pParse->szOpAlloc - n); /* Bytes of unused memory */ @@ -80124,26 +86362,9 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( resolveP2Values(p, &nArg); p->usesStmtJournal = (u8)(pParse->isMultiWrite && pParse->mayAbort); if( pParse->explain ){ - static const char * const azColName[] = { - "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", - "id", "parent", "notused", "detail" - }; - int iFirst, mx, i; if( nMem<10 ) nMem = 10; p->explain = pParse->explain; - if( pParse->explain==2 ){ - sqlite3VdbeSetNumCols(p, 4); - iFirst = 8; - mx = 12; - }else{ - sqlite3VdbeSetNumCols(p, 8); - iFirst = 0; - mx = 8; - } - for(i=iFirst; inResColumn = 12 - 4*p->explain; } p->expired = 0; @@ -80162,9 +86383,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->aVar = allocSpace(&x, 0, nVar*sizeof(Mem)); p->apArg = allocSpace(&x, 0, nArg*sizeof(Mem*)); p->apCsr = allocSpace(&x, 0, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = allocSpace(&x, 0, p->nOp*sizeof(i64)); -#endif if( x.nNeeded ){ x.pSpace = p->pFree = sqlite3DbMallocRawNN(db, x.nNeeded); x.nFree = x.nNeeded; @@ -80173,14 +86391,9 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->aVar = allocSpace(&x, p->aVar, nVar*sizeof(Mem)); p->apArg = allocSpace(&x, p->apArg, nArg*sizeof(Mem*)); p->apCsr = allocSpace(&x, p->apCsr, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64)); -#endif } } - p->pVList = pParse->pVList; - pParse->pVList = 0; if( db->mallocFailed ){ p->nVar = 0; p->nCursor = 0; @@ -80192,9 +86405,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->nMem = nMem; initMemArray(p->aMem, nMem, db, MEM_Undefined); memset(p->apCsr, 0, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - memset(p->anExec, 0, p->nOp*sizeof(i64)); -#endif } sqlite3VdbeRewind(p); } @@ -80204,24 +86414,33 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( ** happens to hold. */ SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ - if( pCx==0 ){ + if( pCx ) sqlite3VdbeFreeCursorNN(p,pCx); +} +static SQLITE_NOINLINE void freeCursorWithCache(Vdbe *p, VdbeCursor *pCx){ + VdbeTxtBlbCache *pCache = pCx->pCache; + assert( pCx->colCache ); + pCx->colCache = 0; + pCx->pCache = 0; + if( pCache->pCValue ){ + sqlite3RCStrUnref(pCache->pCValue); + pCache->pCValue = 0; + } + sqlite3DbFree(p->db, pCache); + sqlite3VdbeFreeCursorNN(p, pCx); +} +SQLITE_PRIVATE void sqlite3VdbeFreeCursorNN(Vdbe *p, VdbeCursor *pCx){ + if( pCx->colCache ){ + freeCursorWithCache(p, pCx); return; } - assert( pCx->pBtx==0 || pCx->eCurType==CURTYPE_BTREE ); switch( pCx->eCurType ){ case CURTYPE_SORTER: { sqlite3VdbeSorterClose(p->db, pCx); break; } case CURTYPE_BTREE: { - if( pCx->isEphemeral ){ - if( pCx->pBtx ) sqlite3BtreeClose(pCx->pBtx); - /* The pCx->pCursor will be close automatically, if it exists, by - ** the call above. */ - }else{ - assert( pCx->uc.pCursor!=0 ); - sqlite3BtreeCloseCursor(pCx->uc.pCursor); - } + assert( pCx->uc.pCursor!=0 ); + sqlite3BtreeCloseCursor(pCx->uc.pCursor); break; } #ifndef SQLITE_OMIT_VIRTUALTABLE @@ -80241,14 +86460,12 @@ SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ ** Close all cursors in the current frame. */ static void closeCursorsInFrame(Vdbe *p){ - if( p->apCsr ){ - int i; - for(i=0; inCursor; i++){ - VdbeCursor *pC = p->apCsr[i]; - if( pC ){ - sqlite3VdbeFreeCursor(p, pC); - p->apCsr[i] = 0; - } + int i; + for(i=0; inCursor; i++){ + VdbeCursor *pC = p->apCsr[i]; + if( pC ){ + sqlite3VdbeFreeCursorNN(p, pC); + p->apCsr[i] = 0; } } } @@ -80261,9 +86478,6 @@ static void closeCursorsInFrame(Vdbe *p){ SQLITE_PRIVATE int sqlite3VdbeFrameRestore(VdbeFrame *pFrame){ Vdbe *v = pFrame->v; closeCursorsInFrame(v); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - v->anExec = pFrame->anExec; -#endif v->aOp = pFrame->aOp; v->nOp = pFrame->nOp; v->aMem = pFrame->aMem; @@ -80297,9 +86511,7 @@ static void closeAllCursors(Vdbe *p){ } assert( p->nFrame==0 ); closeCursorsInFrame(p); - if( p->aMem ){ - releaseMemArray(p->aMem, p->nMem); - } + releaseMemArray(p->aMem, p->nMem); while( p->pDelFrame ){ VdbeFrame *pDel = p->pDelFrame; p->pDelFrame = pDel->pParent; @@ -80321,12 +86533,12 @@ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ int n; sqlite3 *db = p->db; - if( p->nResColumn ){ - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + if( p->nResAlloc ){ + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); sqlite3DbFree(db, p->aColName); } n = nResColumn*COLNAME_N; - p->nResColumn = (u16)nResColumn; + p->nResColumn = p->nResAlloc = (u16)nResColumn; p->aColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; initMemArray(p->aColName, n, db, MEM_Null); @@ -80351,14 +86563,14 @@ SQLITE_PRIVATE int sqlite3VdbeSetColName( ){ int rc; Mem *pColName; - assert( idxnResColumn ); + assert( idxnResAlloc ); assert( vardb->mallocFailed ){ assert( !zName || xDel!=SQLITE_DYNAMIC ); return SQLITE_NOMEM_BKPT; } assert( p->aColName!=0 ); - pColName = &(p->aColName[idx+var*p->nResColumn]); + pColName = &(p->aColName[idx+var*p->nResAlloc]); rc = sqlite3VdbeMemSetStr(pColName, zName, -1, SQLITE_UTF8, xDel); assert( rc!=0 || !zName || (pColName->flags&MEM_Term)!=0 ); return rc; @@ -80401,7 +86613,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ */ for(i=0; rc==SQLITE_OK && inDb; i++){ Btree *pBt = db->aDb[i].pBt; - if( sqlite3BtreeIsInTrans(pBt) ){ + if( sqlite3BtreeTxnState(pBt)==SQLITE_TXN_WRITE ){ /* Whether or not a database might need a super-journal depends upon ** its journal mode (among other things). This matrix determines which ** journal modes use a super-journal and which do not */ @@ -80536,7 +86748,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ */ for(i=0; inDb; i++){ Btree *pBt = db->aDb[i].pBt; - if( sqlite3BtreeIsInTrans(pBt) ){ + if( sqlite3BtreeTxnState(pBt)==SQLITE_TXN_WRITE ){ char const *zFile = sqlite3BtreeGetJournalname(pBt); if( zFile==0 ){ continue; /* Ignore TEMP and :memory: databases */ @@ -80646,7 +86858,7 @@ static void checkActiveVdbeCnt(sqlite3 *db){ if( p->readOnly==0 ) nWrite++; if( p->bIsReader ) nRead++; } - p = p->pNext; + p = p->pVNext; } assert( cnt==db->nVdbeActive ); assert( nWrite==db->nVdbeWrite ); @@ -80739,7 +86951,8 @@ SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *p, int deferred){ p->rc = SQLITE_CONSTRAINT_FOREIGNKEY; p->errorAction = OE_Abort; sqlite3VdbeError(p, "FOREIGN KEY constraint failed"); - return SQLITE_ERROR; + if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)==0 ) return SQLITE_ERROR; + return SQLITE_CONSTRAINT_FOREIGNKEY; } return SQLITE_OK; } @@ -80750,9 +86963,9 @@ SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *p, int deferred){ ** has made changes and is in autocommit mode, then commit those ** changes. If a rollback is needed, then do the rollback. ** -** This routine is the only way to move the state of a VM from -** SQLITE_MAGIC_RUN to SQLITE_MAGIC_HALT. It is harmless to -** call this on a VM that is in the SQLITE_MAGIC_HALT state. +** This routine is the only way to move the sqlite3eOpenState of a VM from +** SQLITE_STATE_RUN to SQLITE_STATE_HALT. It is harmless to +** call this on a VM that is in the SQLITE_STATE_HALT state. ** ** Return an error code. If the commit could not complete because of ** lock contention, return SQLITE_BUSY. If SQLITE_BUSY is returned, it @@ -80778,9 +86991,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ ** one, or the complete transaction if there is no statement transaction. */ - if( p->magic!=VDBE_MAGIC_RUN ){ - return SQLITE_OK; - } + assert( p->eVdbeState==VDBE_RUN_STATE ); if( db->mallocFailed ){ p->rc = SQLITE_NOMEM_BKPT; } @@ -80789,7 +87000,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ /* No commit or rollback needed if the program never started or if the ** SQL statement does not read or write a database file. */ - if( p->pc>=0 && p->bIsReader ){ + if( p->bIsReader ){ int mrc; /* Primary error code from p->rc */ int eStatementOp = 0; int isSpecialError; /* Set to true if a 'special' error */ @@ -80798,9 +87009,15 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ sqlite3VdbeEnter(p); /* Check for one of the special errors */ - mrc = p->rc & 0xff; - isSpecialError = mrc==SQLITE_NOMEM || mrc==SQLITE_IOERR - || mrc==SQLITE_INTERRUPT || mrc==SQLITE_FULL; + if( p->rc ){ + mrc = p->rc & 0xff; + isSpecialError = mrc==SQLITE_NOMEM + || mrc==SQLITE_IOERR + || mrc==SQLITE_INTERRUPT + || mrc==SQLITE_FULL; + }else{ + mrc = isSpecialError = 0; + } if( isSpecialError ){ /* If the query was read-only and the error code is SQLITE_INTERRUPT, ** no rollback is necessary. Otherwise, at least a savepoint @@ -80852,6 +87069,9 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ return SQLITE_ERROR; } rc = SQLITE_CONSTRAINT_FOREIGNKEY; + }else if( db->flags & SQLITE_CorruptRdOnly ){ + rc = SQLITE_CORRUPT; + db->flags &= ~SQLITE_CorruptRdOnly; }else{ /* The auto-commit flag is true, the vdbe program was successful ** or hit an 'OR FAIL' constraint and there are no deferred foreign @@ -80863,6 +87083,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ sqlite3VdbeLeave(p); return SQLITE_BUSY; }else if( rc!=SQLITE_OK ){ + sqlite3SystemError(db, rc); p->rc = rc; sqlite3RollbackAll(db, SQLITE_OK); p->nChange = 0; @@ -80872,6 +87093,8 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ db->flags &= ~(u64)SQLITE_DeferFKs; sqlite3CommitInternalChanges(db); } + }else if( p->rc==SQLITE_SCHEMA && db->nVdbeActive>1 ){ + p->nChange = 0; }else{ sqlite3RollbackAll(db, SQLITE_OK); p->nChange = 0; @@ -80928,15 +87151,13 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ } /* We have successfully halted and closed the VM. Record this fact. */ - if( p->pc>=0 ){ - db->nVdbeActive--; - if( !p->readOnly ) db->nVdbeWrite--; - if( p->bIsReader ) db->nVdbeRead--; - assert( db->nVdbeActive>=db->nVdbeRead ); - assert( db->nVdbeRead>=db->nVdbeWrite ); - assert( db->nVdbeWrite>=0 ); - } - p->magic = VDBE_MAGIC_HALT; + db->nVdbeActive--; + if( !p->readOnly ) db->nVdbeWrite--; + if( p->bIsReader ) db->nVdbeRead--; + assert( db->nVdbeActive>=db->nVdbeRead ); + assert( db->nVdbeRead>=db->nVdbeWrite ); + assert( db->nVdbeWrite>=0 ); + p->eVdbeState = VDBE_HALT_STATE; checkActiveVdbeCnt(db); if( db->mallocFailed ){ p->rc = SQLITE_NOMEM_BKPT; @@ -80985,6 +87206,7 @@ SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p){ sqlite3ValueSetNull(db->pErr); } db->errCode = rc; + db->errByteOffset = -1; return rc; } @@ -81017,8 +87239,8 @@ static void vdbeInvokeSqllog(Vdbe *v){ ** again. ** ** To look at it another way, this routine resets the state of the -** virtual machine from VDBE_MAGIC_RUN or VDBE_MAGIC_HALT back to -** VDBE_MAGIC_INIT. +** virtual machine from VDBE_RUN_STATE or VDBE_HALT_STATE back to +** VDBE_READY_STATE. */ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) @@ -81032,7 +87254,7 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ ** error, then it might not have been halted properly. So halt ** it now. */ - sqlite3VdbeHalt(p); + if( p->eVdbeState==VDBE_RUN_STATE ) sqlite3VdbeHalt(p); /* If the VDBE has been run even partially, then transfer the error code ** and error message from the VDBE into the main database structure. But @@ -81046,13 +87268,6 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ }else{ db->errCode = p->rc; } - if( p->runOnlyOnce ) p->expired = 1; - }else if( p->rc && p->expired ){ - /* The expired flag was set on the VDBE before the first call - ** to sqlite3_step(). For consistency (since sqlite3_step() was - ** called), set the database error in this case as well. - */ - sqlite3ErrorWithMsg(db, p->rc, p->zErrMsg ? "%s" : 0, p->zErrMsg); } /* Reset register contents and reclaim error message memory. @@ -81069,7 +87284,7 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ sqlite3DbFree(db, p->zErrMsg); p->zErrMsg = 0; } - p->pResultSet = 0; + p->pResultRow = 0; #ifdef SQLITE_DEBUG p->nWrite = 0; #endif @@ -81097,10 +87312,12 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ } for(i=0; inOp; i++){ char zHdr[100]; + i64 cnt = p->aOp[i].nExec; + i64 cycles = p->aOp[i].nCycle; sqlite3_snprintf(sizeof(zHdr), zHdr, "%6u %12llu %8llu ", - p->aOp[i].cnt, - p->aOp[i].cycles, - p->aOp[i].cnt>0 ? p->aOp[i].cycles/p->aOp[i].cnt : 0 + cnt, + cycles, + cnt>0 ? cycles/cnt : 0 ); fprintf(out, "%s", zHdr); sqlite3VdbePrintOp(out, i, &p->aOp[i]); @@ -81109,7 +87326,6 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ } } #endif - p->magic = VDBE_MAGIC_RESET; return p->rc & db->errMask; } @@ -81119,7 +87335,10 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ */ SQLITE_PRIVATE int sqlite3VdbeFinalize(Vdbe *p){ int rc = SQLITE_OK; - if( p->magic==VDBE_MAGIC_RUN || p->magic==VDBE_MAGIC_HALT ){ + assert( VDBE_RUN_STATE>VDBE_READY_STATE ); + assert( VDBE_HALT_STATE>VDBE_READY_STATE ); + assert( VDBE_INIT_STATEeVdbeState>=VDBE_READY_STATE ){ rc = sqlite3VdbeReset(p); assert( (rc & p->db->errMask)==rc ); } @@ -81171,29 +87390,32 @@ SQLITE_PRIVATE void sqlite3VdbeDeleteAuxData(sqlite3 *db, AuxData **pp, int iOp, ** VdbeDelete() also unlinks the Vdbe from the list of VMs associated with ** the database connection and frees the object itself. */ -SQLITE_PRIVATE void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){ +static void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){ SubProgram *pSub, *pNext; + assert( db!=0 ); assert( p->db==0 || p->db==db ); - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + if( p->aColName ){ + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); + sqlite3DbNNFreeNN(db, p->aColName); + } for(pSub=p->pProgram; pSub; pSub=pNext){ pNext = pSub->pNext; vdbeFreeOpArray(db, pSub->aOp, pSub->nOp); sqlite3DbFree(db, pSub); } - if( p->magic!=VDBE_MAGIC_INIT ){ + if( p->eVdbeState!=VDBE_INIT_STATE ){ releaseMemArray(p->aVar, p->nVar); - sqlite3DbFree(db, p->pVList); - sqlite3DbFree(db, p->pFree); + if( p->pVList ) sqlite3DbNNFreeNN(db, p->pVList); + if( p->pFree ) sqlite3DbNNFreeNN(db, p->pFree); } vdbeFreeOpArray(db, p->aOp, p->nOp); - sqlite3DbFree(db, p->aColName); - sqlite3DbFree(db, p->zSql); + if( p->zSql ) sqlite3DbNNFreeNN(db, p->zSql); #ifdef SQLITE_ENABLE_NORMALIZE sqlite3DbFree(db, p->zNormSql); { - DblquoteStr *pThis, *pNext; - for(pThis=p->pDblStr; pThis; pThis=pNext){ - pNext = pThis->pNextStr; + DblquoteStr *pThis, *pNxt; + for(pThis=p->pDblStr; pThis; pThis=pNxt){ + pNxt = pThis->pNextStr; sqlite3DbFree(db, pThis); } } @@ -81217,20 +87439,17 @@ SQLITE_PRIVATE void sqlite3VdbeDelete(Vdbe *p){ assert( p!=0 ); db = p->db; + assert( db!=0 ); assert( sqlite3_mutex_held(db->mutex) ); sqlite3VdbeClearObject(db, p); - if( p->pPrev ){ - p->pPrev->pNext = p->pNext; - }else{ - assert( db->pVdbe==p ); - db->pVdbe = p->pNext; - } - if( p->pNext ){ - p->pNext->pPrev = p->pPrev; + if( db->pnBytesFreed==0 ){ + assert( p->ppVPrev!=0 ); + *p->ppVPrev = p->pVNext; + if( p->pVNext ){ + p->pVNext->ppVPrev = p->ppVPrev; + } } - p->magic = VDBE_MAGIC_DEAD; - p->db = 0; - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } /* @@ -81246,7 +87465,7 @@ SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor *p){ assert( p->deferredMoveto ); assert( p->isTable ); assert( p->eCurType==CURTYPE_BTREE ); - rc = sqlite3BtreeMovetoUnpacked(p->uc.pCursor, 0, p->movetoTarget, 0, &res); + rc = sqlite3BtreeTableMoveto(p->uc.pCursor, p->movetoTarget, 0, &res); if( rc ) return rc; if( res!=0 ) return SQLITE_CORRUPT_BKPT; #ifdef SQLITE_TEST @@ -81264,7 +87483,7 @@ SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor *p){ ** is supposed to be pointing. If the row was deleted out from under the ** cursor, set the cursor to point to a NULL row. */ -static int SQLITE_NOINLINE handleMovedCursor(VdbeCursor *p){ +SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeHandleMovedCursor(VdbeCursor *p){ int isDifferentRow, rc; assert( p->eCurType==CURTYPE_BTREE ); assert( p->uc.pCursor!=0 ); @@ -81280,40 +87499,9 @@ static int SQLITE_NOINLINE handleMovedCursor(VdbeCursor *p){ ** if need be. Return any I/O error from the restore operation. */ SQLITE_PRIVATE int sqlite3VdbeCursorRestore(VdbeCursor *p){ - assert( p->eCurType==CURTYPE_BTREE ); + assert( p->eCurType==CURTYPE_BTREE || IsNullCursor(p) ); if( sqlite3BtreeCursorHasMoved(p->uc.pCursor) ){ - return handleMovedCursor(p); - } - return SQLITE_OK; -} - -/* -** Make sure the cursor p is ready to read or write the row to which it -** was last positioned. Return an error code if an OOM fault or I/O error -** prevents us from positioning the cursor to its correct position. -** -** If a MoveTo operation is pending on the given cursor, then do that -** MoveTo now. If no move is pending, check to see if the row has been -** deleted out from under the cursor and if it has, mark the row as -** a NULL row. -** -** If the cursor is already pointing to the correct row and that row has -** not been deleted out from under the cursor, then this routine is a no-op. -*/ -SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor **pp, u32 *piCol){ - VdbeCursor *p = *pp; - assert( p->eCurType==CURTYPE_BTREE || p->eCurType==CURTYPE_PSEUDO ); - if( p->deferredMoveto ){ - u32 iMap; - if( p->aAltMap && (iMap = p->aAltMap[1+*piCol])>0 && !p->nullRow ){ - *pp = p->pAltCursor; - *piCol = iMap - 1; - return SQLITE_OK; - } - return sqlite3VdbeFinishMoveto(p); - } - if( sqlite3BtreeCursorHasMoved(p->uc.pCursor) ){ - return handleMovedCursor(p); + return sqlite3VdbeHandleMovedCursor(p); } return SQLITE_OK; } @@ -81324,7 +87512,7 @@ SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor **pp, u32 *piCol){ ** sqlite3VdbeSerialType() ** sqlite3VdbeSerialTypeLen() ** sqlite3VdbeSerialLen() -** sqlite3VdbeSerialPut() +** sqlite3VdbeSerialPut() <--- in-lined into OP_MakeRecord as of 2022-04-02 ** sqlite3VdbeSerialGet() ** ** encapsulate the code that serializes values for storage in SQLite @@ -81436,7 +87624,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialType(Mem *pMem, int file_format, u32 *pLen){ /* ** The sizes for serial types less than 128 */ -static const u8 sqlite3SmallTypeSizes[] = { +SQLITE_PRIVATE const u8 sqlite3SmallTypeSizes[128] = { /* 0 1 2 3 4 5 6 7 8 9 */ /* 0 */ 0, 1, 2, 3, 4, 6, 8, 8, 0, 0, /* 10 */ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, @@ -81505,7 +87693,7 @@ SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8 serial_type){ ** so we trust him. */ #ifdef SQLITE_MIXED_ENDIAN_64BIT_FLOAT -static u64 floatSwap(u64 in){ +SQLITE_PRIVATE u64 sqlite3FloatSwap(u64 in){ union { u64 r; u32 i[2]; @@ -81518,59 +87706,8 @@ static u64 floatSwap(u64 in){ u.i[1] = t; return u.r; } -# define swapMixedEndianFloat(X) X = floatSwap(X) -#else -# define swapMixedEndianFloat(X) -#endif - -/* -** Write the serialized data blob for the value stored in pMem into -** buf. It is assumed that the caller has allocated sufficient space. -** Return the number of bytes written. -** -** nBuf is the amount of space left in buf[]. The caller is responsible -** for allocating enough space to buf[] to hold the entire field, exclusive -** of the pMem->u.nZero bytes for a MEM_Zero value. -** -** Return the number of bytes actually written into buf[]. The number -** of bytes in the zero-filled tail is included in the return value only -** if those bytes were zeroed in buf[]. -*/ -SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type){ - u32 len; - - /* Integer and Real */ - if( serial_type<=7 && serial_type>0 ){ - u64 v; - u32 i; - if( serial_type==7 ){ - assert( sizeof(v)==sizeof(pMem->u.r) ); - memcpy(&v, &pMem->u.r, sizeof(v)); - swapMixedEndianFloat(v); - }else{ - v = pMem->u.i; - } - len = i = sqlite3SmallTypeSizes[serial_type]; - assert( i>0 ); - do{ - buf[--i] = (u8)(v&0xFF); - v >>= 8; - }while( i ); - return len; - } +#endif /* SQLITE_MIXED_ENDIAN_64BIT_FLOAT */ - /* String or blob */ - if( serial_type>=12 ){ - assert( pMem->n + ((pMem->flags & MEM_Zero)?pMem->u.nZero:0) - == (int)sqlite3VdbeSerialTypeLen(serial_type) ); - len = pMem->n; - if( len>0 ) memcpy(buf, pMem->z, len); - return len; - } - - /* NULL or constants 0 or 1 */ - return 0; -} /* Input "x" is a sequence of unsigned characters that represent a ** big-endian integer. Return the equivalent native integer @@ -81583,14 +87720,14 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type){ /* ** Deserialize the data blob pointed to by buf as serial type serial_type -** and store the result in pMem. Return the number of bytes read. +** and store the result in pMem. ** ** This function is implemented as two separate routines for performance. ** The few cases that require local variables are broken out into a separate ** routine so that in most cases the overhead of moving the stack pointer ** is avoided. */ -static u32 serialGet( +static void serialGet( const unsigned char *buf, /* Buffer to deserialize from */ u32 serial_type, /* Serial type to deserialize */ Mem *pMem /* Memory cell to write value into */ @@ -81624,9 +87761,8 @@ static u32 serialGet( memcpy(&pMem->u.r, &x, sizeof(x)); pMem->flags = IsNaN(x) ? MEM_Null : MEM_Real; } - return 8; } -SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( +SQLITE_PRIVATE void sqlite3VdbeSerialGet( const unsigned char *buf, /* Buffer to deserialize from */ u32 serial_type, /* Serial type to deserialize */ Mem *pMem /* Memory cell to write value into */ @@ -81637,13 +87773,13 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->flags = MEM_Null|MEM_Zero; pMem->n = 0; pMem->u.nZero = 0; - break; + return; } case 11: /* Reserved for future use */ case 0: { /* Null */ /* EVIDENCE-OF: R-24078-09375 Value is a NULL. */ pMem->flags = MEM_Null; - break; + return; } case 1: { /* EVIDENCE-OF: R-44885-25196 Value is an 8-bit twos-complement @@ -81651,7 +87787,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->u.i = ONE_BYTE_INT(buf); pMem->flags = MEM_Int; testcase( pMem->u.i<0 ); - return 1; + return; } case 2: { /* 2-byte signed integer */ /* EVIDENCE-OF: R-49794-35026 Value is a big-endian 16-bit @@ -81659,7 +87795,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->u.i = TWO_BYTE_INT(buf); pMem->flags = MEM_Int; testcase( pMem->u.i<0 ); - return 2; + return; } case 3: { /* 3-byte signed integer */ /* EVIDENCE-OF: R-37839-54301 Value is a big-endian 24-bit @@ -81667,7 +87803,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->u.i = THREE_BYTE_INT(buf); pMem->flags = MEM_Int; testcase( pMem->u.i<0 ); - return 3; + return; } case 4: { /* 4-byte signed integer */ /* EVIDENCE-OF: R-01849-26079 Value is a big-endian 32-bit @@ -81679,7 +87815,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( #endif pMem->flags = MEM_Int; testcase( pMem->u.i<0 ); - return 4; + return; } case 5: { /* 6-byte signed integer */ /* EVIDENCE-OF: R-50385-09674 Value is a big-endian 48-bit @@ -81687,13 +87823,14 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->u.i = FOUR_BYTE_UINT(buf+2) + (((i64)1)<<32)*TWO_BYTE_INT(buf); pMem->flags = MEM_Int; testcase( pMem->u.i<0 ); - return 6; + return; } case 6: /* 8-byte signed integer */ case 7: { /* IEEE floating point */ /* These use local variables, so do them in a separate routine ** to avoid having to move the frame pointer in the common case */ - return serialGet(buf,serial_type,pMem); + serialGet(buf,serial_type,pMem); + return; } case 8: /* Integer 0 */ case 9: { /* Integer 1 */ @@ -81701,7 +87838,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( /* EVIDENCE-OF: R-18143-12121 Value is the integer 1. */ pMem->u.i = serial_type-8; pMem->flags = MEM_Int; - return 0; + return; } default: { /* EVIDENCE-OF: R-14606-31564 Value is a BLOB that is (N-12)/2 bytes in @@ -81712,10 +87849,10 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( pMem->z = (char *)buf; pMem->n = (serial_type-12)/2; pMem->flags = aFlag[serial_type&1]; - return pMem->n; + return; } } - return 0; + return; } /* ** This routine is used to allocate sufficient space for an UnpackedRecord @@ -81736,10 +87873,10 @@ SQLITE_PRIVATE UnpackedRecord *sqlite3VdbeAllocUnpackedRecord( ){ UnpackedRecord *p; /* Unpacked record to return */ int nByte; /* Number of bytes required for *p */ - nByte = ROUND8(sizeof(UnpackedRecord)) + sizeof(Mem)*(pKeyInfo->nKeyField+1); + nByte = ROUND8P(sizeof(UnpackedRecord)) + sizeof(Mem)*(pKeyInfo->nKeyField+1); p = (UnpackedRecord *)sqlite3DbMallocRaw(pKeyInfo->db, nByte); if( !p ) return 0; - p->aMem = (Mem*)&((char*)p)[ROUND8(sizeof(UnpackedRecord))]; + p->aMem = (Mem*)&((char*)p)[ROUND8P(sizeof(UnpackedRecord))]; assert( pKeyInfo->aSortFlags!=0 ); p->pKeyInfo = pKeyInfo; p->nField = pKeyInfo->nKeyField + 1; @@ -81778,7 +87915,8 @@ SQLITE_PRIVATE void sqlite3VdbeRecordUnpack( /* pMem->flags = 0; // sqlite3VdbeSerialGet() will set this for us */ pMem->szMalloc = 0; pMem->z = 0; - d += sqlite3VdbeSerialGet(&aKey[d], serial_type, pMem); + sqlite3VdbeSerialGet(&aKey[d], serial_type, pMem); + d += sqlite3VdbeSerialTypeLen(serial_type); pMem++; if( (++u)>=p->nField ) break; } @@ -81857,12 +87995,22 @@ static int vdbeRecordCompareDebug( if( d1+(u64)serial_type1+2>(u64)nKey1 && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)>(u64)nKey1 ){ + if( serial_type1>=1 + && serial_type1<=7 + && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)<=(u64)nKey1+8 + && CORRUPT_DB + ){ + return 1; /* corrupt record not detected by + ** sqlite3VdbeRecordCompareWithSkip(). Return true + ** to avoid firing the assert() */ + } break; } /* Extract the values to be compared. */ - d1 += sqlite3VdbeSerialGet(&aKey1[d1], serial_type1, &mem1); + sqlite3VdbeSerialGet(&aKey1[d1], serial_type1, &mem1); + d1 += sqlite3VdbeSerialTypeLen(serial_type1); /* Do the comparison */ @@ -81973,8 +88121,8 @@ static int vdbeCompareMemString( }else{ rc = pColl->xCmp(pColl->pUser, c1.n, v1, c2.n, v2); } - sqlite3VdbeMemRelease(&c1); - sqlite3VdbeMemRelease(&c2); + sqlite3VdbeMemReleaseMalloc(&c1); + sqlite3VdbeMemReleaseMalloc(&c2); return rc; } } @@ -82029,12 +88177,15 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3BlobCompare(const Mem *pB1, const Mem ** number. Return negative, zero, or positive if the first (i64) is less than, ** equal to, or greater than the second (double). */ -static int sqlite3IntFloatCompare(i64 i, double r){ +SQLITE_PRIVATE int sqlite3IntFloatCompare(i64 i, double r){ if( sizeof(LONGDOUBLE_TYPE)>8 ){ LONGDOUBLE_TYPE x = (LONGDOUBLE_TYPE)i; + testcase( xr ); + testcase( x==r ); if( xr ) return +1; - return 0; + if( x>r ) return +1; /*NO_TEST*/ /* work around bugs in gcov */ + return 0; /*NO_TEST*/ /* work around bugs in gcov */ }else{ i64 y; double s; @@ -82232,14 +88383,22 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( ** two elements in the keys are equal. Fix the various stack variables so ** that this routine begins comparing at the second field. */ if( bSkip ){ - u32 s1; - idx1 = 1 + getVarint32(&aKey1[1], s1); + u32 s1 = aKey1[1]; + if( s1<0x80 ){ + idx1 = 2; + }else{ + idx1 = 1 + sqlite3GetVarint32(&aKey1[1], &s1); + } szHdr1 = aKey1[0]; d1 = szHdr1 + sqlite3VdbeSerialTypeLen(s1); i = 1; pRhs++; }else{ - idx1 = getVarint32(aKey1, szHdr1); + if( (szHdr1 = aKey1[0])<0x80 ){ + idx1 = 1; + }else{ + idx1 = sqlite3GetVarint32(aKey1, &szHdr1); + } d1 = szHdr1; i = 0; } @@ -82254,7 +88413,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( assert( pPKey2->pKeyInfo->aSortFlags!=0 ); assert( pPKey2->pKeyInfo->nKeyField>0 ); assert( idx1<=szHdr1 || CORRUPT_DB ); - do{ + while( 1 /*exit-by-break*/ ){ u32 serial_type; /* RHS is an integer */ @@ -82264,7 +88423,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( serial_type = aKey1[idx1]; testcase( serial_type==12 ); if( serial_type>=10 ){ - rc = +1; + rc = serial_type==10 ? -1 : +1; }else if( serial_type==0 ){ rc = -1; }else if( serial_type==7 ){ @@ -82288,8 +88447,8 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* Serial types 12 or greater are strings and blobs (greater than ** numbers). Types 10 and 11 are currently "reserved for future ** use", so it doesn't really matter what the results of comparing - ** them to numberic values are. */ - rc = +1; + ** them to numeric values are. */ + rc = serial_type==10 ? -1 : +1; }else if( serial_type==0 ){ rc = -1; }else{ @@ -82370,7 +88529,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* RHS is null */ else{ serial_type = aKey1[idx1]; - rc = (serial_type!=0); + rc = (serial_type!=0 && serial_type!=10); } if( rc!=0 ){ @@ -82392,8 +88551,13 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( if( i==pPKey2->nField ) break; pRhs++; d1 += sqlite3VdbeSerialTypeLen(serial_type); + if( d1>(unsigned)nKey1 ) break; idx1 += sqlite3VarintLen(serial_type); - }while( idx1<(unsigned)szHdr1 && d1<=(unsigned)nKey1 ); + if( idx1>=(unsigned)szHdr1 ){ + pPKey2->errCode = (u8)SQLITE_CORRUPT_BKPT; + return 0; /* Corrupt index */ + } + } /* No memory allocation is ever used on mem1. Prove this using ** the following assert(). If the assert() fails, it indicates a @@ -82495,7 +88659,8 @@ static int vdbeRecordCompareInt( return sqlite3VdbeRecordCompare(nKey1, pKey1, pPKey2); } - v = pPKey2->aMem[0].u.i; + assert( pPKey2->u.i == pPKey2->aMem[0].u.i ); + v = pPKey2->u.i; if( v>lhs ){ res = pPKey2->r1; }else if( vaMem[0].flags & MEM_Str ); + assert( pPKey2->aMem[0].n == pPKey2->n ); + assert( pPKey2->aMem[0].z == pPKey2->u.z ); vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo); - serial_type = (u8)(aKey1[1]); - if( serial_type >= 0x80 ){ - sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type); - } + serial_type = (signed char)(aKey1[1]); + +vrcs_restart: if( serial_type<12 ){ + if( serial_type<0 ){ + sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type); + if( serial_type>=12 ) goto vrcs_restart; + assert( CORRUPT_DB ); + } res = pPKey2->r1; /* (pKey1/nKey1) is a number or a null */ }else if( !(serial_type & 0x01) ){ res = pPKey2->r2; /* (pKey1/nKey1) is a blob */ @@ -82549,15 +88720,15 @@ static int vdbeRecordCompareString( pPKey2->errCode = (u8)SQLITE_CORRUPT_BKPT; return 0; /* Corruption */ } - nCmp = MIN( pPKey2->aMem[0].n, nStr ); - res = memcmp(&aKey1[szHdr], pPKey2->aMem[0].z, nCmp); + nCmp = MIN( pPKey2->n, nStr ); + res = memcmp(&aKey1[szHdr], pPKey2->u.z, nCmp); if( res>0 ){ res = pPKey2->r2; }else if( res<0 ){ res = pPKey2->r1; }else{ - res = nStr - pPKey2->aMem[0].n; + res = nStr - pPKey2->n; if( res==0 ){ if( pPKey2->nField>1 ){ res = sqlite3VdbeRecordCompareWithSkip(nKey1, pKey1, pPKey2, 1); @@ -82612,6 +88783,7 @@ SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord *p){ p->r2 = 1; } if( (flags & MEM_Int) ){ + p->u.i = p->aMem[0].u.i; return vdbeRecordCompareInt; } testcase( flags & MEM_Real ); @@ -82621,6 +88793,8 @@ SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord *p){ && p->pKeyInfo->aColl[0]==0 ){ assert( flags & MEM_Str ); + p->u.z = p->aMem[0].z; + p->n = p->aMem[0].n; return vdbeRecordCompareString; } } @@ -82663,7 +88837,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* The index entry must begin with a header size */ getVarint32NR((u8*)m.z, szHdr); testcase( szHdr==3 ); - testcase( szHdr==m.n ); + testcase( szHdr==(u32)m.n ); testcase( szHdr>0x7fffffff ); assert( m.n>=0 ); if( unlikely(szHdr<3 || szHdr>(unsigned)m.n) ){ @@ -82693,14 +88867,14 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* Fetch the integer off the end of the index record */ sqlite3VdbeSerialGet((u8*)&m.z[m.n-lenRowid], typeRowid, &v); *rowid = v.u.i; - sqlite3VdbeMemRelease(&m); + sqlite3VdbeMemReleaseMalloc(&m); return SQLITE_OK; /* Jump here if database corruption is detected after m has been ** allocated. Free the m object and return SQLITE_CORRUPT. */ idx_rowid_corruption: testcase( m.szMalloc!=0 ); - sqlite3VdbeMemRelease(&m); + sqlite3VdbeMemReleaseMalloc(&m); return SQLITE_CORRUPT_BKPT; } @@ -82742,7 +88916,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( return rc; } *res = sqlite3VdbeRecordCompareWithSkip(m.n, m.z, pUnpacked, 0); - sqlite3VdbeMemRelease(&m); + sqlite3VdbeMemReleaseMalloc(&m); return SQLITE_OK; } @@ -82750,7 +88924,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( ** This routine sets the value to be returned by subsequent calls to ** sqlite3_changes() on the database handle 'db'. */ -SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *db, int nChange){ +SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *db, i64 nChange){ assert( sqlite3_mutex_held(db->mutex) ); db->nChange = nChange; db->nTotalChange += nChange; @@ -82784,7 +88958,7 @@ SQLITE_PRIVATE void sqlite3VdbeCountChanges(Vdbe *v){ */ SQLITE_PRIVATE void sqlite3ExpirePreparedStatements(sqlite3 *db, int iCode){ Vdbe *p; - for(p = db->pVdbe; p; p=p->pNext){ + for(p = db->pVdbe; p; p=p->pVNext){ p->expired = iCode+1; } } @@ -82877,6 +89051,20 @@ SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){ return 1; } +#if defined(SQLITE_ENABLE_CURSOR_HINTS) && defined(SQLITE_DEBUG) +/* +** This Walker callback is used to help verify that calls to +** sqlite3BtreeCursorHint() with opcode BTREE_HINT_RANGE have +** byte-code register values correctly initialized. +*/ +SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_REGISTER ){ + assert( (pWalker->u.aMem[pExpr->iTable].flags & MEM_Undefined)==0 ); + } + return WRC_Continue; +} +#endif /* SQLITE_ENABLE_CURSOR_HINTS && SQLITE_DEBUG */ + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Transfer error message text from an sqlite3_vtab.zErrMsg (text stored @@ -82905,13 +89093,14 @@ SQLITE_PRIVATE void sqlite3VtabImportErrmsg(Vdbe *p, sqlite3_vtab *pVtab){ ** the vdbeUnpackRecord() function found in vdbeapi.c. */ static void vdbeFreeUnpacked(sqlite3 *db, int nField, UnpackedRecord *p){ + assert( db!=0 ); if( p ){ int i; for(i=0; iaMem[i]; - if( pMem->zMalloc ) sqlite3VdbeMemRelease(pMem); + if( pMem->zMalloc ) sqlite3VdbeMemReleaseMalloc(pMem); } - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ @@ -82930,13 +89119,24 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( const char *zDb, /* Database name */ Table *pTab, /* Modified table */ i64 iKey1, /* Initial key value */ - int iReg /* Register for new.* record */ + int iReg, /* Register for new.* record */ + int iBlobWrite ){ sqlite3 *db = v->db; i64 iKey2; PreUpdate preupdate; const char *zTbl = pTab->zName; static const u8 fakeSortOrder = 0; +#ifdef SQLITE_DEBUG + int nRealCol; + if( pTab->tabFlags & TF_WithoutRowid ){ + nRealCol = sqlite3PrimaryKeyIndex(pTab)->nColumn; + }else if( pTab->tabFlags & TF_HasVirtual ){ + nRealCol = pTab->nNVCol; + }else{ + nRealCol = pTab->nCol; + } +#endif assert( db->pPreUpdate==0 ); memset(&preupdate, 0, sizeof(PreUpdate)); @@ -82951,8 +89151,10 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( } } - assert( pCsr->nField==pTab->nCol - || (pCsr->nField==pTab->nCol+1 && op==SQLITE_DELETE && iReg==-1) + assert( pCsr!=0 ); + assert( pCsr->eCurType==CURTYPE_BTREE ); + assert( pCsr->nField==nRealCol + || (pCsr->nField==nRealCol+1 && op==SQLITE_DELETE && iReg==-1) ); preupdate.v = v; @@ -82966,6 +89168,7 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( preupdate.iKey1 = iKey1; preupdate.iKey2 = iKey2; preupdate.pTab = pTab; + preupdate.iBlobWrite = iBlobWrite; db->pPreUpdate = &preupdate; db->xPreUpdateCallback(db->pPreUpdateArg, db, op, zDb, zTbl, iKey1, iKey2); @@ -82978,7 +89181,7 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( for(i=0; inField; i++){ sqlite3VdbeMemRelease(&preupdate.aNew[i]); } - sqlite3DbFreeNN(db, preupdate.aNew); + sqlite3DbNNFreeNN(db, preupdate.aNew); } } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ @@ -83002,6 +89205,7 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( */ /* #include "sqliteInt.h" */ /* #include "vdbeInt.h" */ +/* #include "opcodes.h" */ #ifndef SQLITE_OMIT_DEPRECATED /* @@ -83095,7 +89299,9 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt){ if( vdbeSafety(v) ) return SQLITE_MISUSE_BKPT; sqlite3_mutex_enter(db->mutex); checkProfileCallback(db, v); - rc = sqlite3VdbeFinalize(v); + assert( v->eVdbeState>=VDBE_READY_STATE ); + rc = sqlite3VdbeReset(v); + sqlite3VdbeDelete(v); rc = sqlite3ApiExit(db, rc); sqlite3LeaveMutexAndCloseZombie(db); } @@ -83255,7 +89461,7 @@ SQLITE_API int sqlite3_value_type(sqlite3_value* pVal){ SQLITE_NULL, /* 0x1f (not possible) */ SQLITE_FLOAT, /* 0x20 INTREAL */ SQLITE_NULL, /* 0x21 (not possible) */ - SQLITE_TEXT, /* 0x22 INTREAL + TEXT */ + SQLITE_FLOAT, /* 0x22 INTREAL + TEXT */ SQLITE_NULL, /* 0x23 (not possible) */ SQLITE_FLOAT, /* 0x24 (not possible) */ SQLITE_NULL, /* 0x25 (not possible) */ @@ -83303,6 +89509,9 @@ SQLITE_API int sqlite3_value_type(sqlite3_value* pVal){ #endif return aType[pVal->flags&MEM_AffMask]; } +SQLITE_API int sqlite3_value_encoding(sqlite3_value *pVal){ + return pVal->enc; +} /* Return true if a parameter to xUpdate represents an unchanged column */ SQLITE_API int sqlite3_value_nochange(sqlite3_value *pVal){ @@ -83332,6 +89541,9 @@ SQLITE_API sqlite3_value *sqlite3_value_dup(const sqlite3_value *pOrig){ sqlite3ValueFree(pNew); pNew = 0; } + }else if( pNew->flags & MEM_Null ){ + /* Do not duplicate pointer values */ + pNew->flags &= ~(MEM_Term|MEM_Subtype); } return pNew; } @@ -83349,8 +89561,8 @@ SQLITE_API void sqlite3_value_free(sqlite3_value *pOld){ ** the function result. ** ** The setStrOrError() function calls sqlite3VdbeMemSetStr() to store the -** result as a string or blob but if the string or blob is too large, it -** then sets the error code to SQLITE_TOOBIG +** result as a string or blob. Appropriate errors are set if the string/blob +** is too big or if an OOM occurs. ** ** The invokeValueDestructor(P,X) routine invokes destructor function X() ** on value P is not going to be used and need to be destroyed. @@ -83362,7 +89574,21 @@ static void setResultStrOrError( u8 enc, /* Encoding of z. 0 for BLOBs */ void (*xDel)(void*) /* Destructor function */ ){ - if( sqlite3VdbeMemSetStr(pCtx->pOut, z, n, enc, xDel)==SQLITE_TOOBIG ){ + Mem *pOut = pCtx->pOut; + int rc = sqlite3VdbeMemSetStr(pOut, z, n, enc, xDel); + if( rc ){ + if( rc==SQLITE_TOOBIG ){ + sqlite3_result_error_toobig(pCtx); + }else{ + /* The only errors possible from sqlite3VdbeMemSetStr are + ** SQLITE_TOOBIG and SQLITE_NOMEM */ + assert( rc==SQLITE_NOMEM ); + sqlite3_result_error_nomem(pCtx); + } + return; + } + sqlite3VdbeChangeEncoding(pOut, pCtx->enc); + if( sqlite3VdbeMemTooBig(pOut) ){ sqlite3_result_error_toobig(pCtx); } } @@ -83379,7 +89605,7 @@ static int invokeValueDestructor( }else{ xDel((void*)p); } - if( pCtx ) sqlite3_result_error_toobig(pCtx); + sqlite3_result_error_toobig(pCtx); return SQLITE_TOOBIG; } SQLITE_API void sqlite3_result_blob( @@ -83470,11 +89696,15 @@ SQLITE_API void sqlite3_result_text64( ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); assert( xDel!=SQLITE_DYNAMIC ); - if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + if( enc!=SQLITE_UTF8 ){ + if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + n &= ~(u64)1; + } if( n>0x7fffffff ){ (void)invokeValueDestructor(z, xDel, pCtx); }else{ setResultStrOrError(pCtx, z, (int)n, enc, xDel); + sqlite3VdbeMemZeroTerminateIfAble(pCtx->pOut); } } #ifndef SQLITE_OMIT_UTF16 @@ -83485,7 +89715,7 @@ SQLITE_API void sqlite3_result_text16( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16NATIVE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16NATIVE, xDel); } SQLITE_API void sqlite3_result_text16be( sqlite3_context *pCtx, @@ -83494,7 +89724,7 @@ SQLITE_API void sqlite3_result_text16be( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16BE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16BE, xDel); } SQLITE_API void sqlite3_result_text16le( sqlite3_context *pCtx, @@ -83503,25 +89733,34 @@ SQLITE_API void sqlite3_result_text16le( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16LE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16LE, xDel); } #endif /* SQLITE_OMIT_UTF16 */ SQLITE_API void sqlite3_result_value(sqlite3_context *pCtx, sqlite3_value *pValue){ + Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - sqlite3VdbeMemCopy(pCtx->pOut, pValue); + sqlite3VdbeMemCopy(pOut, pValue); + sqlite3VdbeChangeEncoding(pOut, pCtx->enc); + if( sqlite3VdbeMemTooBig(pOut) ){ + sqlite3_result_error_toobig(pCtx); + } } SQLITE_API void sqlite3_result_zeroblob(sqlite3_context *pCtx, int n){ - assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - sqlite3VdbeMemSetZeroBlob(pCtx->pOut, n); + sqlite3_result_zeroblob64(pCtx, n>0 ? n : 0); } SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context *pCtx, u64 n){ Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); if( n>(u64)pOut->db->aLimit[SQLITE_LIMIT_LENGTH] ){ + sqlite3_result_error_toobig(pCtx); return SQLITE_TOOBIG; } +#ifndef SQLITE_OMIT_INCRBLOB sqlite3VdbeMemSetZeroBlob(pCtx->pOut, (int)n); return SQLITE_OK; +#else + return sqlite3VdbeMemSetZeroBlob(pCtx->pOut, (int)n); +#endif } SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ pCtx->isError = errCode ? errCode : -1; @@ -83529,8 +89768,8 @@ SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ if( pCtx->pVdbe ) pCtx->pVdbe->rcApp = errCode; #endif if( pCtx->pOut->flags & MEM_Null ){ - sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, - SQLITE_UTF8, SQLITE_STATIC); + setResultStrOrError(pCtx, sqlite3ErrStr(errCode), -1, SQLITE_UTF8, + SQLITE_STATIC); } } @@ -83604,80 +89843,83 @@ static int sqlite3Step(Vdbe *p){ int rc; assert(p); - if( p->magic!=VDBE_MAGIC_RUN ){ - /* We used to require that sqlite3_reset() be called before retrying - ** sqlite3_step() after any error or after SQLITE_DONE. But beginning - ** with version 3.7.0, we changed this so that sqlite3_reset() would - ** be called automatically instead of throwing the SQLITE_MISUSE error. - ** This "automatic-reset" change is not technically an incompatibility, - ** since any application that receives an SQLITE_MISUSE is broken by - ** definition. - ** - ** Nevertheless, some published applications that were originally written - ** for version 3.6.23 or earlier do in fact depend on SQLITE_MISUSE - ** returns, and those were broken by the automatic-reset change. As a - ** a work-around, the SQLITE_OMIT_AUTORESET compile-time restores the - ** legacy behavior of returning SQLITE_MISUSE for cases where the - ** previous sqlite3_step() returned something other than a SQLITE_LOCKED - ** or SQLITE_BUSY error. - */ -#ifdef SQLITE_OMIT_AUTORESET - if( (rc = p->rc&0xff)==SQLITE_BUSY || rc==SQLITE_LOCKED ){ - sqlite3_reset((sqlite3_stmt*)p); - }else{ - return SQLITE_MISUSE_BKPT; - } -#else - sqlite3_reset((sqlite3_stmt*)p); -#endif - } - - /* Check that malloc() has not failed. If it has, return early. */ db = p->db; - if( db->mallocFailed ){ - p->rc = SQLITE_NOMEM; - return SQLITE_NOMEM_BKPT; - } + if( p->eVdbeState!=VDBE_RUN_STATE ){ + restart_step: + if( p->eVdbeState==VDBE_READY_STATE ){ + if( p->expired ){ + p->rc = SQLITE_SCHEMA; + rc = SQLITE_ERROR; + if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 ){ + /* If this statement was prepared using saved SQL and an + ** error has occurred, then return the error code in p->rc to the + ** caller. Set the error code in the database handle to the same + ** value. + */ + rc = sqlite3VdbeTransferError(p); + } + goto end_of_step; + } - if( p->pc<0 && p->expired ){ - p->rc = SQLITE_SCHEMA; - rc = SQLITE_ERROR; - if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 ){ - /* If this statement was prepared using saved SQL and an - ** error has occurred, then return the error code in p->rc to the - ** caller. Set the error code in the database handle to the same value. + /* If there are no other statements currently running, then + ** reset the interrupt flag. This prevents a call to sqlite3_interrupt + ** from interrupting a statement that has not yet started. */ - rc = sqlite3VdbeTransferError(p); - } - goto end_of_step; - } - if( p->pc<0 ){ - /* If there are no other statements currently running, then - ** reset the interrupt flag. This prevents a call to sqlite3_interrupt - ** from interrupting a statement that has not yet started. - */ - if( db->nVdbeActive==0 ){ - AtomicStore(&db->u1.isInterrupted, 0); - } + if( db->nVdbeActive==0 ){ + AtomicStore(&db->u1.isInterrupted, 0); + } - assert( db->nVdbeWrite>0 || db->autoCommit==0 - || (db->nDeferredCons==0 && db->nDeferredImmCons==0) - ); + assert( db->nVdbeWrite>0 || db->autoCommit==0 + || (db->nDeferredCons==0 && db->nDeferredImmCons==0) + ); #ifndef SQLITE_OMIT_TRACE - if( (db->mTrace & (SQLITE_TRACE_PROFILE|SQLITE_TRACE_XPROFILE))!=0 - && !db->init.busy && p->zSql ){ - sqlite3OsCurrentTimeInt64(db->pVfs, &p->startTime); - }else{ - assert( p->startTime==0 ); - } + if( (db->mTrace & (SQLITE_TRACE_PROFILE|SQLITE_TRACE_XPROFILE))!=0 + && !db->init.busy && p->zSql ){ + sqlite3OsCurrentTimeInt64(db->pVfs, &p->startTime); + }else{ + assert( p->startTime==0 ); + } #endif - db->nVdbeActive++; - if( p->readOnly==0 ) db->nVdbeWrite++; - if( p->bIsReader ) db->nVdbeRead++; - p->pc = 0; + db->nVdbeActive++; + if( p->readOnly==0 ) db->nVdbeWrite++; + if( p->bIsReader ) db->nVdbeRead++; + p->pc = 0; + p->eVdbeState = VDBE_RUN_STATE; + }else + + if( ALWAYS(p->eVdbeState==VDBE_HALT_STATE) ){ + /* We used to require that sqlite3_reset() be called before retrying + ** sqlite3_step() after any error or after SQLITE_DONE. But beginning + ** with version 3.7.0, we changed this so that sqlite3_reset() would + ** be called automatically instead of throwing the SQLITE_MISUSE error. + ** This "automatic-reset" change is not technically an incompatibility, + ** since any application that receives an SQLITE_MISUSE is broken by + ** definition. + ** + ** Nevertheless, some published applications that were originally written + ** for version 3.6.23 or earlier do in fact depend on SQLITE_MISUSE + ** returns, and those were broken by the automatic-reset change. As a + ** a work-around, the SQLITE_OMIT_AUTORESET compile-time restores the + ** legacy behavior of returning SQLITE_MISUSE for cases where the + ** previous sqlite3_step() returned something other than a SQLITE_LOCKED + ** or SQLITE_BUSY error. + */ +#ifdef SQLITE_OMIT_AUTORESET + if( (rc = p->rc&0xff)==SQLITE_BUSY || rc==SQLITE_LOCKED ){ + sqlite3_reset((sqlite3_stmt*)p); + }else{ + return SQLITE_MISUSE_BKPT; + } +#else + sqlite3_reset((sqlite3_stmt*)p); +#endif + assert( p->eVdbeState==VDBE_READY_STATE ); + goto restart_step; + } } + #ifdef SQLITE_DEBUG p->rcApp = SQLITE_OK; #endif @@ -83692,12 +89934,17 @@ static int sqlite3Step(Vdbe *p){ db->nVdbeExec--; } - if( rc!=SQLITE_ROW ){ + if( rc==SQLITE_ROW ){ + assert( p->rc==SQLITE_OK ); + assert( db->mallocFailed==0 ); + db->errCode = SQLITE_ROW; + return SQLITE_ROW; + }else{ #ifndef SQLITE_OMIT_TRACE /* If the statement completed successfully, invoke the profile callback */ checkProfileCallback(db, p); #endif - + p->pResultRow = 0; if( rc==SQLITE_DONE && db->autoCommit ){ assert( p->rc==SQLITE_OK ); p->rc = doWalCallbacks(db); @@ -83744,7 +89991,6 @@ SQLITE_API int sqlite3_step(sqlite3_stmt *pStmt){ } db = v->db; sqlite3_mutex_enter(db->mutex); - v->doingRerun = 0; while( (rc = sqlite3Step(v))==SQLITE_SCHEMA && cnt++ < SQLITE_MAX_SCHEMA_RETRY ){ int savedPc = v->pc; @@ -83770,7 +90016,13 @@ SQLITE_API int sqlite3_step(sqlite3_stmt *pStmt){ break; } sqlite3_reset(pStmt); - if( savedPc>=0 ) v->doingRerun = 1; + if( savedPc>=0 ){ + /* Setting minWriteFileFormat to 254 is a signal to the OP_Init and + ** OP_Trace opcodes to *not* perform SQLITE_TRACE_STMT because it has + ** already been done once on a prior invocation that failed due to + ** SQLITE_SCHEMA. tag-20220401a */ + v->minWriteFileFormat = 254; + } assert( v->expired==0 ); } sqlite3_mutex_leave(db->mutex); @@ -83821,6 +90073,88 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context *p){ return sqlite3_value_nochange(p->pOut); } +/* +** The destructor function for a ValueList object. This needs to be +** a separate function, unknowable to the application, to ensure that +** calls to sqlite3_vtab_in_first()/sqlite3_vtab_in_next() that are not +** preceded by activation of IN processing via sqlite3_vtab_int() do not +** try to access a fake ValueList object inserted by a hostile extension. +*/ +SQLITE_PRIVATE void sqlite3VdbeValueListFree(void *pToDelete){ + sqlite3_free(pToDelete); +} + +/* +** Implementation of sqlite3_vtab_in_first() (if bNext==0) and +** sqlite3_vtab_in_next() (if bNext!=0). +*/ +static int valueFromValueList( + sqlite3_value *pVal, /* Pointer to the ValueList object */ + sqlite3_value **ppOut, /* Store the next value from the list here */ + int bNext /* 1 for _next(). 0 for _first() */ +){ + int rc; + ValueList *pRhs; + + *ppOut = 0; + if( pVal==0 ) return SQLITE_MISUSE; + if( (pVal->flags & MEM_Dyn)==0 || pVal->xDel!=sqlite3VdbeValueListFree ){ + return SQLITE_ERROR; + }else{ + assert( (pVal->flags&(MEM_TypeMask|MEM_Term|MEM_Subtype)) == + (MEM_Null|MEM_Term|MEM_Subtype) ); + assert( pVal->eSubtype=='p' ); + assert( pVal->u.zPType!=0 && strcmp(pVal->u.zPType,"ValueList")==0 ); + pRhs = (ValueList*)pVal->z; + } + if( bNext ){ + rc = sqlite3BtreeNext(pRhs->pCsr, 0); + }else{ + int dummy = 0; + rc = sqlite3BtreeFirst(pRhs->pCsr, &dummy); + assert( rc==SQLITE_OK || sqlite3BtreeEof(pRhs->pCsr) ); + if( sqlite3BtreeEof(pRhs->pCsr) ) rc = SQLITE_DONE; + } + if( rc==SQLITE_OK ){ + u32 sz; /* Size of current row in bytes */ + Mem sMem; /* Raw content of current row */ + memset(&sMem, 0, sizeof(sMem)); + sz = sqlite3BtreePayloadSize(pRhs->pCsr); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pRhs->pCsr,(int)sz,&sMem); + if( rc==SQLITE_OK ){ + u8 *zBuf = (u8*)sMem.z; + u32 iSerial; + sqlite3_value *pOut = pRhs->pOut; + int iOff = 1 + getVarint32(&zBuf[1], iSerial); + sqlite3VdbeSerialGet(&zBuf[iOff], iSerial, pOut); + pOut->enc = ENC(pOut->db); + if( (pOut->flags & MEM_Ephem)!=0 && sqlite3VdbeMemMakeWriteable(pOut) ){ + rc = SQLITE_NOMEM; + }else{ + *ppOut = pOut; + } + } + sqlite3VdbeMemRelease(&sMem); + } + return rc; +} + +/* +** Set the iterator value pVal to point to the first value in the set. +** Set (*ppOut) to point to this value before returning. +*/ +SQLITE_API int sqlite3_vtab_in_first(sqlite3_value *pVal, sqlite3_value **ppOut){ + return valueFromValueList(pVal, ppOut, 0); +} + +/* +** Set the iterator value pVal to point to the next value in the set. +** Set (*ppOut) to point to this value before returning. +*/ +SQLITE_API int sqlite3_vtab_in_next(sqlite3_value *pVal, sqlite3_value **ppOut){ + return valueFromValueList(pVal, ppOut, 1); +} + /* ** Return the current time for a statement. If the current time ** is requested more than once within the same run of a single prepared @@ -83983,7 +90317,8 @@ SQLITE_API int sqlite3_aggregate_count(sqlite3_context *p){ */ SQLITE_API int sqlite3_column_count(sqlite3_stmt *pStmt){ Vdbe *pVm = (Vdbe *)pStmt; - return pVm ? pVm->nResColumn : 0; + if( pVm==0 ) return 0; + return pVm->nResColumn; } /* @@ -83992,7 +90327,7 @@ SQLITE_API int sqlite3_column_count(sqlite3_stmt *pStmt){ */ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt){ Vdbe *pVm = (Vdbe *)pStmt; - if( pVm==0 || pVm->pResultSet==0 ) return 0; + if( pVm==0 || pVm->pResultRow==0 ) return 0; return pVm->nResColumn; } @@ -84015,15 +90350,15 @@ static const Mem *columnNullValue(void){ #endif = { /* .u = */ {0}, + /* .z = */ (char*)0, + /* .n = */ (int)0, /* .flags = */ (u16)MEM_Null, /* .enc = */ (u8)0, /* .eSubtype = */ (u8)0, - /* .n = */ (int)0, - /* .z = */ (char*)0, - /* .zMalloc = */ (char*)0, + /* .db = */ (sqlite3*)0, /* .szMalloc = */ (int)0, /* .uTemp = */ (u32)0, - /* .db = */ (sqlite3*)0, + /* .zMalloc = */ (char*)0, /* .xDel = */ (void(*)(void*))0, #ifdef SQLITE_DEBUG /* .pScopyFrom = */ (Mem*)0, @@ -84047,8 +90382,8 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ if( pVm==0 ) return (Mem*)columnNullValue(); assert( pVm->db ); sqlite3_mutex_enter(pVm->db->mutex); - if( pVm->pResultSet!=0 && inResColumn && i>=0 ){ - pOut = &pVm->pResultSet[i]; + if( pVm->pResultRow!=0 && inResColumn && i>=0 ){ + pOut = &pVm->pResultRow[i]; }else{ sqlite3Error(pVm->db, SQLITE_RANGE); pOut = (Mem*)columnNullValue(); @@ -84072,7 +90407,7 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ ** sqlite3_column_real() ** sqlite3_column_bytes() ** sqlite3_column_bytes16() -** sqiite3_column_blob() +** sqlite3_column_blob() */ static void columnMallocFailure(sqlite3_stmt *pStmt) { @@ -84156,6 +90491,32 @@ SQLITE_API int sqlite3_column_type(sqlite3_stmt *pStmt, int i){ return iType; } +/* +** Column names appropriate for EXPLAIN or EXPLAIN QUERY PLAN. +*/ +static const char * const azExplainColNames8[] = { + "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", /* EXPLAIN */ + "id", "parent", "notused", "detail" /* EQP */ +}; +static const u16 azExplainColNames16data[] = { + /* 0 */ 'a', 'd', 'd', 'r', 0, + /* 5 */ 'o', 'p', 'c', 'o', 'd', 'e', 0, + /* 12 */ 'p', '1', 0, + /* 15 */ 'p', '2', 0, + /* 18 */ 'p', '3', 0, + /* 21 */ 'p', '4', 0, + /* 24 */ 'p', '5', 0, + /* 27 */ 'c', 'o', 'm', 'm', 'e', 'n', 't', 0, + /* 35 */ 'i', 'd', 0, + /* 38 */ 'p', 'a', 'r', 'e', 'n', 't', 0, + /* 45 */ 'n', 'o', 't', 'u', 's', 'e', 'd', 0, + /* 53 */ 'd', 'e', 't', 'a', 'i', 'l', 0 +}; +static const u8 iExplainColNames16[] = { + 0, 5, 12, 15, 18, 21, 24, 27, + 35, 38, 45, 53 +}; + /* ** Convert the N-th element of pStmt->pColName[] into a string using ** xFunc() then return that string. If N is out of range, return 0. @@ -84188,15 +90549,29 @@ static const void *columnName( return 0; } #endif + if( N<0 ) return 0; ret = 0; p = (Vdbe *)pStmt; db = p->db; assert( db!=0 ); - n = sqlite3_column_count(pStmt); - if( N=0 ){ + sqlite3_mutex_enter(db->mutex); + + if( p->explain ){ + if( useType>0 ) goto columnName_end; + n = p->explain==1 ? 8 : 4; + if( N>=n ) goto columnName_end; + if( useUtf16 ){ + int i = iExplainColNames16[N + 8*p->explain - 8]; + ret = (void*)&azExplainColNames16data[i]; + }else{ + ret = (void*)azExplainColNames8[N + 8*p->explain - 8]; + } + goto columnName_end; + } + n = p->nResColumn; + if( NmallocFailed; N += useType*n; - sqlite3_mutex_enter(db->mutex); - assert( db->mallocFailed==0 ); #ifndef SQLITE_OMIT_UTF16 if( useUtf16 ){ ret = sqlite3_value_text16((sqlite3_value*)&p->aColName[N]); @@ -84208,12 +90583,14 @@ static const void *columnName( /* A malloc may have failed inside of the _text() call. If this ** is the case, clear the mallocFailed flag and return NULL. */ - if( db->mallocFailed ){ + assert( db->mallocFailed==0 || db->mallocFailed==1 ); + if( db->mallocFailed > prior_mallocFailed ){ sqlite3OomClear(db); ret = 0; } - sqlite3_mutex_leave(db->mutex); } +columnName_end: + sqlite3_mutex_leave(db->mutex); return ret; } @@ -84306,7 +90683,7 @@ SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){ /* ** Unbind the value bound to variable i in virtual machine p. This is the ** the same as binding a NULL value to the column. If the "i" parameter is -** out of range, then SQLITE_RANGE is returned. Othewise SQLITE_OK. +** out of range, then SQLITE_RANGE is returned. Otherwise SQLITE_OK. ** ** A successful evaluation of this routine acquires the mutex on p. ** the mutex is released if any kind of error occurs. @@ -84314,25 +90691,24 @@ SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){ ** The error code stored in database p->db is overwritten with the return ** value in any case. */ -static int vdbeUnbind(Vdbe *p, int i){ +static int vdbeUnbind(Vdbe *p, unsigned int i){ Mem *pVar; if( vdbeSafetyNotNull(p) ){ return SQLITE_MISUSE_BKPT; } sqlite3_mutex_enter(p->db->mutex); - if( p->magic!=VDBE_MAGIC_RUN || p->pc>=0 ){ + if( p->eVdbeState!=VDBE_READY_STATE ){ sqlite3Error(p->db, SQLITE_MISUSE); sqlite3_mutex_leave(p->db->mutex); sqlite3_log(SQLITE_MISUSE, "bind on a busy prepared statement: [%s]", p->zSql); return SQLITE_MISUSE_BKPT; } - if( i<1 || i>p->nVar ){ + if( i>=(unsigned int)p->nVar ){ sqlite3Error(p->db, SQLITE_RANGE); sqlite3_mutex_leave(p->db->mutex); return SQLITE_RANGE; } - i--; pVar = &p->aVar[i]; sqlite3VdbeMemRelease(pVar); pVar->flags = MEM_Null; @@ -84361,7 +90737,7 @@ static int bindText( sqlite3_stmt *pStmt, /* The statement to bind against */ int i, /* Index of the parameter to bind */ const void *zData, /* Pointer to the data to be bound */ - int nData, /* Number of bytes of data to be bound */ + i64 nData, /* Number of bytes of data to be bound */ void (*xDel)(void*), /* Destructor for the data */ u8 encoding /* Encoding for the data */ ){ @@ -84369,7 +90745,7 @@ static int bindText( Mem *pVar; int rc; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ if( zData!=0 ){ pVar = &p->aVar[i-1]; @@ -84413,16 +90789,12 @@ SQLITE_API int sqlite3_bind_blob64( void (*xDel)(void*) ){ assert( xDel!=SQLITE_DYNAMIC ); - if( nData>0x7fffffff ){ - return invokeValueDestructor(zData, xDel, 0); - }else{ - return bindText(pStmt, i, zData, (int)nData, xDel, 0); - } + return bindText(pStmt, i, zData, nData, xDel, 0); } SQLITE_API int sqlite3_bind_double(sqlite3_stmt *pStmt, int i, double rValue){ int rc; Vdbe *p = (Vdbe *)pStmt; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ sqlite3VdbeMemSetDouble(&p->aVar[i-1], rValue); sqlite3_mutex_leave(p->db->mutex); @@ -84435,7 +90807,7 @@ SQLITE_API int sqlite3_bind_int(sqlite3_stmt *p, int i, int iValue){ SQLITE_API int sqlite3_bind_int64(sqlite3_stmt *pStmt, int i, sqlite_int64 iValue){ int rc; Vdbe *p = (Vdbe *)pStmt; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ sqlite3VdbeMemSetInt64(&p->aVar[i-1], iValue); sqlite3_mutex_leave(p->db->mutex); @@ -84445,7 +90817,7 @@ SQLITE_API int sqlite3_bind_int64(sqlite3_stmt *pStmt, int i, sqlite_int64 iValu SQLITE_API int sqlite3_bind_null(sqlite3_stmt *pStmt, int i){ int rc; Vdbe *p = (Vdbe*)pStmt; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ sqlite3_mutex_leave(p->db->mutex); } @@ -84460,7 +90832,7 @@ SQLITE_API int sqlite3_bind_pointer( ){ int rc; Vdbe *p = (Vdbe*)pStmt; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ sqlite3VdbeMemSetPointer(&p->aVar[i-1], pPtr, zPTtype, xDestructor); sqlite3_mutex_leave(p->db->mutex); @@ -84487,22 +90859,21 @@ SQLITE_API int sqlite3_bind_text64( unsigned char enc ){ assert( xDel!=SQLITE_DYNAMIC ); - if( nData>0x7fffffff ){ - return invokeValueDestructor(zData, xDel, 0); - }else{ + if( enc!=SQLITE_UTF8 ){ if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; - return bindText(pStmt, i, zData, (int)nData, xDel, enc); + nData &= ~(u16)1; } + return bindText(pStmt, i, zData, nData, xDel, enc); } #ifndef SQLITE_OMIT_UTF16 SQLITE_API int sqlite3_bind_text16( sqlite3_stmt *pStmt, int i, const void *zData, - int nData, + int n, void (*xDel)(void*) ){ - return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF16NATIVE); + return bindText(pStmt, i, zData, n & ~(u64)1, xDel, SQLITE_UTF16NATIVE); } #endif /* SQLITE_OMIT_UTF16 */ SQLITE_API int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_value *pValue){ @@ -84513,7 +90884,10 @@ SQLITE_API int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_valu break; } case SQLITE_FLOAT: { - rc = sqlite3_bind_double(pStmt, i, pValue->u.r); + assert( pValue->flags & (MEM_Real|MEM_IntReal) ); + rc = sqlite3_bind_double(pStmt, i, + (pValue->flags & MEM_Real) ? pValue->u.r : (double)pValue->u.i + ); break; } case SQLITE_BLOB: { @@ -84539,9 +90913,13 @@ SQLITE_API int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_valu SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){ int rc; Vdbe *p = (Vdbe *)pStmt; - rc = vdbeUnbind(p, i); + rc = vdbeUnbind(p, (u32)(i-1)); if( rc==SQLITE_OK ){ +#ifndef SQLITE_OMIT_INCRBLOB sqlite3VdbeMemSetZeroBlob(&p->aVar[i-1], n); +#else + rc = sqlite3VdbeMemSetZeroBlob(&p->aVar[i-1], n); +#endif sqlite3_mutex_leave(p->db->mutex); } return rc; @@ -84669,12 +91047,45 @@ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt){ return pStmt ? ((Vdbe*)pStmt)->explain : 0; } +/* +** Set the explain mode for a statement. +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode){ + Vdbe *v = (Vdbe*)pStmt; + int rc; + sqlite3_mutex_enter(v->db->mutex); + if( ((int)v->explain)==eMode ){ + rc = SQLITE_OK; + }else if( eMode<0 || eMode>2 ){ + rc = SQLITE_ERROR; + }else if( (v->prepFlags & SQLITE_PREPARE_SAVESQL)==0 ){ + rc = SQLITE_ERROR; + }else if( v->eVdbeState!=VDBE_READY_STATE ){ + rc = SQLITE_BUSY; + }else if( v->nMem>=10 && (eMode!=2 || v->haveEqpOps) ){ + /* No reprepare necessary */ + v->explain = eMode; + rc = SQLITE_OK; + }else{ + v->explain = eMode; + rc = sqlite3Reprepare(v); + v->haveEqpOps = eMode==2; + } + if( v->explain ){ + v->nResColumn = 12 - 4*v->explain; + }else{ + v->nResColumn = v->nResAlloc; + } + sqlite3_mutex_leave(v->db->mutex); + return rc; +} + /* ** Return true if the prepared statement is in need of being reset. */ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt *pStmt){ Vdbe *v = (Vdbe*)pStmt; - return v!=0 && v->magic==VDBE_MAGIC_RUN && v->pc>=0; + return v!=0 && v->eVdbeState==VDBE_RUN_STATE; } /* @@ -84695,7 +91106,7 @@ SQLITE_API sqlite3_stmt *sqlite3_next_stmt(sqlite3 *pDb, sqlite3_stmt *pStmt){ if( pStmt==0 ){ pNext = (sqlite3_stmt*)pDb->pVdbe; }else{ - pNext = (sqlite3_stmt*)((Vdbe*)pStmt)->pNext; + pNext = (sqlite3_stmt*)((Vdbe*)pStmt)->pVNext; } sqlite3_mutex_leave(pDb->mutex); return pNext; @@ -84720,9 +91131,11 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt *pStmt, int op, int resetFlag){ sqlite3_mutex_enter(db->mutex); v = 0; db->pnBytesFreed = (int*)&v; - sqlite3VdbeClearObject(db, pVdbe); - sqlite3DbFree(db, pVdbe); + assert( db->lookaside.pEnd==db->lookaside.pTrueEnd ); + db->lookaside.pEnd = db->lookaside.pStart; + sqlite3VdbeDelete(pVdbe); db->pnBytesFreed = 0; + db->lookaside.pEnd = db->lookaside.pTrueEnd; sqlite3_mutex_leave(db->mutex); }else{ v = pVdbe->aCounter[op]; @@ -84829,6 +91242,7 @@ SQLITE_API int sqlite3_preupdate_old(sqlite3 *db, int iIdx, sqlite3_value **ppVa u32 nRec; u8 *aRec; + assert( p->pCsr->eCurType==CURTYPE_BTREE ); nRec = sqlite3BtreePayloadSize(p->pCsr->uc.pCursor); aRec = sqlite3DbMallocRaw(db, nRec); if( !aRec ) goto preupdate_old_out; @@ -84892,6 +91306,17 @@ SQLITE_API int sqlite3_preupdate_depth(sqlite3 *db){ } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ +#ifdef SQLITE_ENABLE_PREUPDATE_HOOK +/* +** This function is designed to be called from within a pre-update callback +** only. +*/ +SQLITE_API int sqlite3_preupdate_blobwrite(sqlite3 *db){ + PreUpdate *p = db->pPreUpdate; + return (p ? p->iBlobWrite : -1); +} +#endif + #ifdef SQLITE_ENABLE_PREUPDATE_HOOK /* ** This function is called from within a pre-update callback to retrieve @@ -84972,23 +91397,69 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *db, int iIdx, sqlite3_value **ppVa /* ** Return status data for a single loop within query pStmt. */ -SQLITE_API int sqlite3_stmt_scanstatus( +SQLITE_API int sqlite3_stmt_scanstatus_v2( sqlite3_stmt *pStmt, /* Prepared statement being queried */ - int idx, /* Index of loop to report on */ + int iScan, /* Index of loop to report on */ int iScanStatusOp, /* Which metric to return */ + int flags, void *pOut /* OUT: Write the answer here */ ){ Vdbe *p = (Vdbe*)pStmt; - ScanStatus *pScan; - if( idx<0 || idx>=p->nScan ) return 1; - pScan = &p->aScan[idx]; + VdbeOp *aOp = p->aOp; + int nOp = p->nOp; + ScanStatus *pScan = 0; + int idx; + + if( p->pFrame ){ + VdbeFrame *pFrame; + for(pFrame=p->pFrame; pFrame->pParent; pFrame=pFrame->pParent); + aOp = pFrame->aOp; + nOp = pFrame->nOp; + } + + if( iScan<0 ){ + int ii; + if( iScanStatusOp==SQLITE_SCANSTAT_NCYCLE ){ + i64 res = 0; + for(ii=0; iiaScan[idx]; + }else{ + /* If the COMPLEX flag is clear, then this function must ignore any + ** ScanStatus structures with ScanStatus.addrLoop set to 0. */ + for(idx=0; idxnScan; idx++){ + pScan = &p->aScan[idx]; + if( pScan->zName ){ + iScan--; + if( iScan<0 ) break; + } + } + } + if( idx>=p->nScan ) return 1; + switch( iScanStatusOp ){ case SQLITE_SCANSTAT_NLOOP: { - *(sqlite3_int64*)pOut = p->anExec[pScan->addrLoop]; + if( pScan->addrLoop>0 ){ + *(sqlite3_int64*)pOut = aOp[pScan->addrLoop].nExec; + }else{ + *(sqlite3_int64*)pOut = -1; + } break; } case SQLITE_SCANSTAT_NVISIT: { - *(sqlite3_int64*)pOut = p->anExec[pScan->addrVisit]; + if( pScan->addrVisit>0 ){ + *(sqlite3_int64*)pOut = aOp[pScan->addrVisit].nExec; + }else{ + *(sqlite3_int64*)pOut = -1; + } break; } case SQLITE_SCANSTAT_EST: { @@ -85007,7 +91478,7 @@ SQLITE_API int sqlite3_stmt_scanstatus( } case SQLITE_SCANSTAT_EXPLAIN: { if( pScan->addrExplain ){ - *(const char**)pOut = p->aOp[ pScan->addrExplain ].p4.z; + *(const char**)pOut = aOp[ pScan->addrExplain ].p4.z; }else{ *(const char**)pOut = 0; } @@ -85015,12 +91486,51 @@ SQLITE_API int sqlite3_stmt_scanstatus( } case SQLITE_SCANSTAT_SELECTID: { if( pScan->addrExplain ){ - *(int*)pOut = p->aOp[ pScan->addrExplain ].p1; + *(int*)pOut = aOp[ pScan->addrExplain ].p1; + }else{ + *(int*)pOut = -1; + } + break; + } + case SQLITE_SCANSTAT_PARENTID: { + if( pScan->addrExplain ){ + *(int*)pOut = aOp[ pScan->addrExplain ].p2; }else{ *(int*)pOut = -1; } break; } + case SQLITE_SCANSTAT_NCYCLE: { + i64 res = 0; + if( pScan->aAddrRange[0]==0 ){ + res = -1; + }else{ + int ii; + for(ii=0; iiaAddrRange); ii+=2){ + int iIns = pScan->aAddrRange[ii]; + int iEnd = pScan->aAddrRange[ii+1]; + if( iIns==0 ) break; + if( iIns>0 ){ + while( iIns<=iEnd ){ + res += aOp[iIns].nCycle; + iIns++; + } + }else{ + int iOp; + for(iOp=0; iOpp1!=iEnd ) continue; + if( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_NCYCLE)==0 ){ + continue; + } + res += aOp[iOp].nCycle; + } + } + } + } + *(i64*)pOut = res; + break; + } default: { return 1; } @@ -85028,12 +91538,29 @@ SQLITE_API int sqlite3_stmt_scanstatus( return 0; } +/* +** Return status data for a single loop within query pStmt. +*/ +SQLITE_API int sqlite3_stmt_scanstatus( + sqlite3_stmt *pStmt, /* Prepared statement being queried */ + int iScan, /* Index of loop to report on */ + int iScanStatusOp, /* Which metric to return */ + void *pOut /* OUT: Write the answer here */ +){ + return sqlite3_stmt_scanstatus_v2(pStmt, iScan, iScanStatusOp, 0, pOut); +} + /* ** Zero all counters associated with the sqlite3_stmt_scanstatus() data. */ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt *pStmt){ Vdbe *p = (Vdbe*)pStmt; - memset(p->anExec, 0, p->nOp * sizeof(i64)); + int ii; + for(ii=0; iinOp; ii++){ + Op *pOp = &p->aOp[ii]; + pOp->nExec = 0; + pOp->nCycle = 0; + } } #endif /* SQLITE_ENABLE_STMT_SCANSTATUS */ @@ -85125,11 +91652,9 @@ SQLITE_PRIVATE char *sqlite3VdbeExpandSql( #ifndef SQLITE_OMIT_UTF16 Mem utf8; /* Used to convert UTF16 into UTF8 for display */ #endif - char zBase[100]; /* Initial working space */ db = p->db; - sqlite3StrAccumInit(&out, 0, zBase, sizeof(zBase), - db->aLimit[SQLITE_LIMIT_LENGTH]); + sqlite3StrAccumInit(&out, 0, 0, 0, db->aLimit[SQLITE_LIMIT_LENGTH]); if( db->nVdbeExec>1 ){ while( *zRawSql ){ const char *zStart = zRawSql; @@ -85166,7 +91691,7 @@ SQLITE_PRIVATE char *sqlite3VdbeExpandSql( assert( idx>0 ); } zRawSql += nToken; - nextIndex = idx + 1; + nextIndex = MAX(idx + 1, nextIndex); assert( idx>0 && idx<=p->nVar ); pVar = &p->aVar[idx-1]; if( pVar->flags & MEM_Null ){ @@ -85371,6 +91896,9 @@ SQLITE_API int sqlite3_found_count = 0; */ static void test_trace_breakpoint(int pc, Op *pOp, Vdbe *v){ static int n = 0; + (void)pc; + (void)pOp; + (void)v; n++; } #endif @@ -85479,7 +92007,6 @@ static VdbeCursor *allocateCursor( Vdbe *p, /* The virtual machine */ int iCur, /* Index of the new VdbeCursor */ int nField, /* Number of fields in the table or index */ - int iDb, /* Database the cursor belongs to, or -1 */ u8 eCurType /* Type of the new cursor */ ){ /* Find the memory cell that will be used to store the blob of memory @@ -85505,31 +92032,43 @@ static VdbeCursor *allocateCursor( int nByte; VdbeCursor *pCx = 0; nByte = - ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + + ROUND8P(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + (eCurType==CURTYPE_BTREE?sqlite3BtreeCursorSize():0); assert( iCur>=0 && iCurnCursor ); if( p->apCsr[iCur] ){ /*OPTIMIZATION-IF-FALSE*/ - /* Before calling sqlite3VdbeFreeCursor(), ensure the isEphemeral flag - ** is clear. Otherwise, if this is an ephemeral cursor created by - ** OP_OpenDup, the cursor will not be closed and will still be part - ** of a BtShared.pCursor list. */ - if( p->apCsr[iCur]->pBtx==0 ) p->apCsr[iCur]->isEphemeral = 0; - sqlite3VdbeFreeCursor(p, p->apCsr[iCur]); + sqlite3VdbeFreeCursorNN(p, p->apCsr[iCur]); p->apCsr[iCur] = 0; } - if( SQLITE_OK==sqlite3VdbeMemClearAndResize(pMem, nByte) ){ - p->apCsr[iCur] = pCx = (VdbeCursor*)pMem->z; - memset(pCx, 0, offsetof(VdbeCursor,pAltCursor)); - pCx->eCurType = eCurType; - pCx->iDb = iDb; - pCx->nField = nField; - pCx->aOffset = &pCx->aType[nField]; - if( eCurType==CURTYPE_BTREE ){ - pCx->uc.pCursor = (BtCursor*) - &pMem->z[ROUND8(sizeof(VdbeCursor))+2*sizeof(u32)*nField]; - sqlite3BtreeCursorZero(pCx->uc.pCursor); + + /* There used to be a call to sqlite3VdbeMemClearAndResize() to make sure + ** the pMem used to hold space for the cursor has enough storage available + ** in pMem->zMalloc. But for the special case of the aMem[] entries used + ** to hold cursors, it is faster to in-line the logic. */ + assert( pMem->flags==MEM_Undefined ); + assert( (pMem->flags & MEM_Dyn)==0 ); + assert( pMem->szMalloc==0 || pMem->z==pMem->zMalloc ); + if( pMem->szMallocszMalloc>0 ){ + sqlite3DbFreeNN(pMem->db, pMem->zMalloc); + } + pMem->z = pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, nByte); + if( pMem->zMalloc==0 ){ + pMem->szMalloc = 0; + return 0; } + pMem->szMalloc = nByte; + } + + p->apCsr[iCur] = pCx = (VdbeCursor*)pMem->zMalloc; + memset(pCx, 0, offsetof(VdbeCursor,pAltCursor)); + pCx->eCurType = eCurType; + pCx->nField = nField; + pCx->aOffset = &pCx->aType[nField]; + if( eCurType==CURTYPE_BTREE ){ + pCx->uc.pCursor = (BtCursor*) + &pMem->z[ROUND8P(sizeof(VdbeCursor))+2*sizeof(u32)*nField]; + sqlite3BtreeCursorZero(pCx->uc.pCursor); } return pCx; } @@ -85541,7 +92080,8 @@ static VdbeCursor *allocateCursor( ** return false. */ static int alsoAnInt(Mem *pRec, double rValue, i64 *piValue){ - i64 iValue = (double)rValue; + i64 iValue; + iValue = sqlite3RealToI64(rValue); if( sqlite3RealSameAsInt(rValue,iValue) ){ *piValue = iValue; return 1; @@ -85597,6 +92137,10 @@ static void applyNumericAffinity(Mem *pRec, int bTryForInt){ ** always preferred, even if the affinity is REAL, because ** an integer representation is more space efficient on disk. ** +** SQLITE_AFF_FLEXNUM: +** If the value is text, then try to convert it into a number of +** some kind (integer or real) but do not make any other changes. +** ** SQLITE_AFF_TEXT: ** Convert pRec to a text representation. ** @@ -85611,11 +92155,11 @@ static void applyAffinity( ){ if( affinity>=SQLITE_AFF_NUMERIC ){ assert( affinity==SQLITE_AFF_INTEGER || affinity==SQLITE_AFF_REAL - || affinity==SQLITE_AFF_NUMERIC ); + || affinity==SQLITE_AFF_NUMERIC || affinity==SQLITE_AFF_FLEXNUM ); if( (pRec->flags & MEM_Int)==0 ){ /*OPTIMIZATION-IF-FALSE*/ - if( (pRec->flags & MEM_Real)==0 ){ + if( (pRec->flags & (MEM_Real|MEM_IntReal))==0 ){ if( pRec->flags & MEM_Str ) applyNumericAffinity(pRec,1); - }else{ + }else if( affinity<=SQLITE_AFF_REAL ){ sqlite3VdbeIntegerAffinity(pRec); } } @@ -85676,7 +92220,10 @@ static u16 SQLITE_NOINLINE computeNumericType(Mem *pMem){ sqlite3_int64 ix; assert( (pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal))==0 ); assert( (pMem->flags & (MEM_Str|MEM_Blob))!=0 ); - ExpandBlob(pMem); + if( ExpandBlob(pMem) ){ + pMem->u.i = 0; + return MEM_Int; + } rc = sqlite3AtoF(pMem->z, &pMem->u.r, pMem->n, pMem->enc); if( rc<=0 ){ if( rc==0 && sqlite3Atoi64(pMem->z, &ix, pMem->n, pMem->enc)<=1 ){ @@ -85700,17 +92247,18 @@ static u16 SQLITE_NOINLINE computeNumericType(Mem *pMem){ ** But it does set pMem->u.r and pMem->u.i appropriately. */ static u16 numericType(Mem *pMem){ - if( pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal) ){ + assert( (pMem->flags & MEM_Null)==0 + || pMem->db==0 || pMem->db->mallocFailed ); + if( pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Null) ){ testcase( pMem->flags & MEM_Int ); testcase( pMem->flags & MEM_Real ); testcase( pMem->flags & MEM_IntReal ); - return pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal); - } - if( pMem->flags & (MEM_Str|MEM_Blob) ){ - testcase( pMem->flags & MEM_Str ); - testcase( pMem->flags & MEM_Blob ); - return computeNumericType(pMem); + return pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Null); } + assert( pMem->flags & (MEM_Str|MEM_Blob) ); + testcase( pMem->flags & MEM_Str ); + testcase( pMem->flags & MEM_Blob ); + return computeNumericType(pMem); return 0; } @@ -85771,6 +92319,9 @@ SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, StrAccum *pStr){ sqlite3_str_appendchar(pStr, 1, (c>=0x20&&c<=0x7f) ? c : '.'); } sqlite3_str_appendf(pStr, "]%s", encnames[pMem->enc]); + if( f & MEM_Term ){ + sqlite3_str_appendf(pStr, "(0-term)"); + } } } #endif @@ -85814,6 +92365,11 @@ static void registerTrace(int iReg, Mem *p){ printf("\n"); sqlite3VdbeCheckMemInvariants(p); } +/**/ void sqlite3PrintMem(Mem *pMem){ + memTracePrint(pMem); + printf("\n"); + fflush(stdout); +} #endif #ifdef SQLITE_DEBUG @@ -85834,106 +92390,6 @@ SQLITE_PRIVATE void sqlite3VdbeRegisterDump(Vdbe *v){ # define REGISTER_TRACE(R,M) #endif - -#ifdef VDBE_PROFILE - -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/************** Include hwtime.h in the middle of vdbe.c *********************/ -/************** Begin file hwtime.h ******************************************/ -/* -** 2008 May 27 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains inline asm code for retrieving "high-performance" -** counters for x86 and x86_64 class CPUs. -*/ -#ifndef SQLITE_HWTIME_H -#define SQLITE_HWTIME_H - -/* -** The following routine only works on pentium-class (or newer) processors. -** It uses the RDTSC opcode to read the cycle count value out of the -** processor and returns that value. This can be used for high-res -** profiling. -*/ -#if !defined(__STRICT_ANSI__) && \ - (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) - - #if defined(__GNUC__) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned int lo, hi; - __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); - return (sqlite_uint64)hi << 32 | lo; - } - - #elif defined(_MSC_VER) - - __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ - __asm { - rdtsc - ret ; return value at EDX:EAX - } - } - - #endif - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long val; - __asm__ __volatile__ ("rdtsc" : "=A" (val)); - return val; - } - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long long retval; - unsigned long junk; - __asm__ __volatile__ ("\n\ - 1: mftbu %1\n\ - mftb %L0\n\ - mftbu %0\n\ - cmpw %0,%1\n\ - bne 1b" - : "=r" (retval), "=r" (junk)); - return retval; - } - -#else - - /* - ** asm() is needed for hardware timing support. Without asm(), - ** disable the sqlite3Hwtime() routine. - ** - ** sqlite3Hwtime() is only used for some obscure debugging - ** and analysis configurations, not in any deliverable, so this - ** should not be a great loss. - */ -SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } - -#endif - -#endif /* !defined(SQLITE_HWTIME_H) */ - -/************** End of hwtime.h **********************************************/ -/************** Continuing where we left off in vdbe.c ***********************/ - -#endif - #ifndef NDEBUG /* ** This function is only called from within an assert() expression. It @@ -85977,6 +92433,131 @@ static Mem *out2Prerelease(Vdbe *p, VdbeOp *pOp){ } } +/* +** Compute a bloom filter hash using pOp->p4.i registers from aMem[] beginning +** with pOp->p3. Return the hash. +*/ +static u64 filterHash(const Mem *aMem, const Op *pOp){ + int i, mx; + u64 h = 0; + + assert( pOp->p4type==P4_INT32 ); + for(i=pOp->p3, mx=i+pOp->p4.i; iflags & (MEM_Int|MEM_IntReal) ){ + h += p->u.i; + }else if( p->flags & MEM_Real ){ + h += sqlite3VdbeIntValue(p); + }else if( p->flags & (MEM_Str|MEM_Blob) ){ + /* All strings have the same hash and all blobs have the same hash, + ** though, at least, those hashes are different from each other and + ** from NULL. */ + h += 4093 + (p->flags & (MEM_Str|MEM_Blob)); + } + } + return h; +} + + +/* +** For OP_Column, factor out the case where content is loaded from +** overflow pages, so that the code to implement this case is separate +** the common case where all content fits on the page. Factoring out +** the code reduces register pressure and helps the common case +** to run faster. +*/ +static SQLITE_NOINLINE int vdbeColumnFromOverflow( + VdbeCursor *pC, /* The BTree cursor from which we are reading */ + int iCol, /* The column to read */ + int t, /* The serial-type code for the column value */ + i64 iOffset, /* Offset to the start of the content value */ + u32 cacheStatus, /* Current Vdbe.cacheCtr value */ + u32 colCacheCtr, /* Current value of the column cache counter */ + Mem *pDest /* Store the value into this register. */ +){ + int rc; + sqlite3 *db = pDest->db; + int encoding = pDest->enc; + int len = sqlite3VdbeSerialTypeLen(t); + assert( pC->eCurType==CURTYPE_BTREE ); + if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) return SQLITE_TOOBIG; + if( len > 4000 && pC->pKeyInfo==0 ){ + /* Cache large column values that are on overflow pages using + ** an RCStr (reference counted string) so that if they are reloaded, + ** that do not have to be copied a second time. The overhead of + ** creating and managing the cache is such that this is only + ** profitable for larger TEXT and BLOB values. + ** + ** Only do this on table-btrees so that writes to index-btrees do not + ** need to clear the cache. This buys performance in the common case + ** in exchange for generality. + */ + VdbeTxtBlbCache *pCache; + char *pBuf; + if( pC->colCache==0 ){ + pC->pCache = sqlite3DbMallocZero(db, sizeof(VdbeTxtBlbCache) ); + if( pC->pCache==0 ) return SQLITE_NOMEM; + pC->colCache = 1; + } + pCache = pC->pCache; + if( pCache->pCValue==0 + || pCache->iCol!=iCol + || pCache->cacheStatus!=cacheStatus + || pCache->colCacheCtr!=colCacheCtr + || pCache->iOffset!=sqlite3BtreeOffset(pC->uc.pCursor) + ){ + if( pCache->pCValue ) sqlite3RCStrUnref(pCache->pCValue); + pBuf = pCache->pCValue = sqlite3RCStrNew( len+3 ); + if( pBuf==0 ) return SQLITE_NOMEM; + rc = sqlite3BtreePayload(pC->uc.pCursor, iOffset, len, pBuf); + if( rc ) return rc; + pBuf[len] = 0; + pBuf[len+1] = 0; + pBuf[len+2] = 0; + pCache->iCol = iCol; + pCache->cacheStatus = cacheStatus; + pCache->colCacheCtr = colCacheCtr; + pCache->iOffset = sqlite3BtreeOffset(pC->uc.pCursor); + }else{ + pBuf = pCache->pCValue; + } + assert( t>=12 ); + sqlite3RCStrRef(pBuf); + if( t&1 ){ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, encoding, + (void(*)(void*))sqlite3RCStrUnref); + pDest->flags |= MEM_Term; + }else{ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, 0, + (void(*)(void*))sqlite3RCStrUnref); + } + }else{ + rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, iOffset, len, pDest); + if( rc ) return rc; + sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); + if( (t&1)!=0 && encoding==SQLITE_UTF8 ){ + pDest->z[len] = 0; + pDest->flags |= MEM_Term; + } + } + pDest->flags &= ~MEM_Ephem; + return rc; +} + + +/* +** Return the symbolic name for the data type of a pMem +*/ +static const char *vdbeMemTypeName(Mem *pMem){ + static const char *azTypes[] = { + /* SQLITE_INTEGER */ "INT", + /* SQLITE_FLOAT */ "REAL", + /* SQLITE_TEXT */ "TEXT", + /* SQLITE_BLOB */ "BLOB", + /* SQLITE_NULL */ "NULL" + }; + return azTypes[sqlite3_value_type(pMem)-1]; +} /* ** Execute as much of a VDBE program as we can. @@ -85987,11 +92568,10 @@ SQLITE_PRIVATE int sqlite3VdbeExec( ){ Op *aOp = p->aOp; /* Copy of p->aOp */ Op *pOp = aOp; /* Current operation */ -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) - Op *pOrigOp; /* Value of pOp at the top of the loop */ -#endif #ifdef SQLITE_DEBUG + Op *pOrigOp; /* Value of pOp at the top of the loop */ int nExtraDelete = 0; /* Verifies FORDELETE and AUXDELETE flags */ + u8 iCompareIsInit = 0; /* iCompare is initialized */ #endif int rc = SQLITE_OK; /* Value to return */ sqlite3 *db = p->db; /* The database */ @@ -86007,13 +92587,17 @@ SQLITE_PRIVATE int sqlite3VdbeExec( Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ -#ifdef VDBE_PROFILE - u64 start; /* CPU clock count at start of opcode */ + u32 colCacheCtr = 0; /* Column cache counter */ +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + u64 *pnCycle = 0; + int bStmtScanStatus = IS_STMT_SCANSTATUS(db)!=0; #endif /*** INSERT STACK UNION HERE ***/ - assert( p->magic==VDBE_MAGIC_RUN ); /* sqlite3_step() verifies this */ - sqlite3VdbeEnter(p); + assert( p->eVdbeState==VDBE_RUN_STATE ); /* sqlite3_step() verifies this */ + if( DbMaskNonZero(p->lockMask) ){ + sqlite3VdbeEnter(p); + } #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( db->xProgress ){ u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP]; @@ -86034,7 +92618,6 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( p->bIsReader || p->readOnly!=0 ); p->iCurrentTime = 0; assert( p->explain==0 ); - p->pResultSet = 0; db->busyHandler.nBusy = 0; if( AtomicLoad(&db->u1.isInterrupted) ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); @@ -86071,12 +92654,18 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( rc==SQLITE_OK ); assert( pOp>=aOp && pOp<&aOp[p->nOp]); -#ifdef VDBE_PROFILE - start = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); -#endif nVmStep++; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - if( p->anExec ) p->anExec[(int)(pOp-aOp)]++; + +#if defined(VDBE_PROFILE) + pOp->nExec++; + pnCycle = &pOp->nCycle; + if( sqlite3NProfileCnt==0 ) *pnCycle -= sqlite3Hwtime(); +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + if( bStmtScanStatus ){ + pOp->nExec++; + pnCycle = &pOp->nCycle; + *pnCycle -= sqlite3Hwtime(); + } #endif /* Only allow tracing if SQLITE_DEBUG is defined. @@ -86138,7 +92727,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( } } #endif -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) +#ifdef SQLITE_DEBUG pOrigOp = pOp; #endif @@ -86194,8 +92783,8 @@ SQLITE_PRIVATE int sqlite3VdbeExec( case OP_Goto: { /* jump */ #ifdef SQLITE_DEBUG - /* In debuggging mode, when the p5 flags is set on an OP_Goto, that - ** means we should really jump back to the preceeding OP_ReleaseReg + /* In debugging mode, when the p5 flags is set on an OP_Goto, that + ** means we should really jump back to the preceding OP_ReleaseReg ** instruction. */ if( pOp->p5 ){ assert( pOp->p2 < (int)(pOp - aOp) ); @@ -86255,24 +92844,39 @@ case OP_Gosub: { /* jump */ pIn1->flags = MEM_Int; pIn1->u.i = (int)(pOp-aOp); REGISTER_TRACE(pOp->p1, pIn1); - - /* Most jump operations do a goto to this spot in order to update - ** the pOp pointer. */ -jump_to_p2: - pOp = &aOp[pOp->p2 - 1]; - break; + goto jump_to_p2_and_check_for_interrupt; } -/* Opcode: Return P1 * * * * +/* Opcode: Return P1 P2 P3 * * ** -** Jump to the next instruction after the address in register P1. After -** the jump, register P1 becomes undefined. +** Jump to the address stored in register P1. If P1 is a return address +** register, then this accomplishes a return from a subroutine. +** +** If P3 is 1, then the jump is only taken if register P1 holds an integer +** values, otherwise execution falls through to the next opcode, and the +** OP_Return becomes a no-op. If P3 is 0, then register P1 must hold an +** integer or else an assert() is raised. P3 should be set to 1 when +** this opcode is used in combination with OP_BeginSubrtn, and set to 0 +** otherwise. +** +** The value in register P1 is unchanged by this opcode. +** +** P2 is not used by the byte-code engine. However, if P2 is positive +** and also less than the current address, then the "EXPLAIN" output +** formatter in the CLI will indent all opcodes from the P2 opcode up +** to be not including the current Return. P2 should be the first opcode +** in the subroutine from which this opcode is returning. Thus the P2 +** value is a byte-code indentation hint. See tag-20220407a in +** wherecode.c and shell.c. */ case OP_Return: { /* in1 */ pIn1 = &aMem[pOp->p1]; - assert( pIn1->flags==MEM_Int ); - pOp = &aOp[pIn1->u.i]; - pIn1->flags = MEM_Undefined; + if( pIn1->flags & MEM_Int ){ + if( pOp->p3 ){ VdbeBranchTaken(1, 2); } + pOp = &aOp[pIn1->u.i]; + }else if( ALWAYS(pOp->p3) ){ + VdbeBranchTaken(0, 2); + } break; } @@ -86295,7 +92899,14 @@ case OP_InitCoroutine: { /* jump */ assert( !VdbeMemDynamic(pOut) ); pOut->u.i = pOp->p3 - 1; pOut->flags = MEM_Int; - if( pOp->p2 ) goto jump_to_p2; + if( pOp->p2==0 ) break; + + /* Most jump operations do a goto to this spot in order to update + ** the pOp pointer. */ +jump_to_p2: + assert( pOp->p2>0 ); /* There are never any jumps to instruction 0 */ + assert( pOp->p2nOp ); /* Jumps must be in range */ + pOp = &aOp[pOp->p2 - 1]; break; } @@ -86381,7 +92992,7 @@ case OP_HaltIfNull: { /* in3 */ ** P5 is a value between 0 and 4, inclusive, that modifies the P4 string. ** ** 0: (no change) -** 1: NOT NULL contraint failed: P4 +** 1: NOT NULL constraint failed: P4 ** 2: UNIQUE constraint failed: P4 ** 3: CHECK constraint failed: P4 ** 4: FOREIGN KEY constraint failed: P4 @@ -86397,11 +93008,16 @@ case OP_Halt: { VdbeFrame *pFrame; int pcx; - pcx = (int)(pOp - aOp); #ifdef SQLITE_DEBUG if( pOp->p2==OE_Abort ){ sqlite3VdbeAssertAbortable(p); } #endif - if( pOp->p1==SQLITE_OK && p->pFrame ){ + + /* A deliberately coded "OP_Halt SQLITE_INTERNAL * * * *" opcode indicates + ** something is wrong with the code generator. Raise an assertion in order + ** to bring this to the attention of fuzzers and other testing tools. */ + assert( pOp->p1!=SQLITE_INTERNAL ); + + if( p->pFrame && pOp->p1==SQLITE_OK ){ /* Halt the sub-program. Return control to the parent frame. */ pFrame = p->pFrame; p->pFrame = pFrame->pParent; @@ -86423,7 +93039,6 @@ case OP_Halt: { } p->rc = pOp->p1; p->errorAction = (u8)pOp->p2; - p->pc = pcx; assert( pOp->p5<=4 ); if( p->rc ){ if( pOp->p5 ){ @@ -86440,6 +93055,7 @@ case OP_Halt: { }else{ sqlite3VdbeError(p, "%s", pOp->p4.z); } + pcx = (int)(pOp - aOp); sqlite3_log(pOp->p1, "abort at %d in [%s]: %s", pcx, p->zSql, p->zErrMsg); } rc = sqlite3VdbeHalt(p); @@ -86565,6 +93181,28 @@ case OP_String: { /* out2 */ break; } +/* Opcode: BeginSubrtn * P2 * * * +** Synopsis: r[P2]=NULL +** +** Mark the beginning of a subroutine that can be entered in-line +** or that can be called using OP_Gosub. The subroutine should +** be terminated by an OP_Return instruction that has a P1 operand that +** is the same as the P2 operand to this opcode and that has P3 set to 1. +** If the subroutine is entered in-line, then the OP_Return will simply +** fall through. But if the subroutine is entered using OP_Gosub, then +** the OP_Return will jump back to the first instruction after the OP_Gosub. +** +** This routine works by loading a NULL into the P2 register. When the +** return address register contains a NULL, the OP_Return instruction is +** a no-op that simply falls through to the next instruction (assuming that +** the OP_Return opcode has a P3 value of 1). Thus if the subroutine is +** entered in-line, then the OP_Return will cause in-line execution to +** continue. But if the subroutine is entered via OP_Gosub, then the +** OP_Return will cause a return to the address following the OP_Gosub. +** +** This opcode is identical to OP_Null. It has a different name +** only to make the byte code easier to read and verify. +*/ /* Opcode: Null P1 P2 P3 * * ** Synopsis: r[P2..P3]=NULL ** @@ -86577,6 +93215,7 @@ case OP_String: { /* out2 */ ** NULL values will not compare equal even if SQLITE_NULLEQ is set on ** OP_Ne or OP_Eq. */ +case OP_BeginSubrtn: case OP_Null: { /* out2 */ int cnt; u16 nullFlag; @@ -86618,12 +93257,18 @@ case OP_SoftNull: { ** Synopsis: r[P2]=P4 (len=P1) ** ** P4 points to a blob of data P1 bytes long. Store this -** blob in register P2. +** blob in register P2. If P4 is a NULL pointer, then construct +** a zero-filled blob that is P1 bytes long in P2. */ case OP_Blob: { /* out2 */ assert( pOp->p1 <= SQLITE_MAX_LENGTH ); pOut = out2Prerelease(p, pOp); - sqlite3VdbeMemSetStr(pOut, pOp->p4.z, pOp->p1, 0, 0); + if( pOp->p4.z==0 ){ + sqlite3VdbeMemSetZeroBlob(pOut, pOp->p1); + if( sqlite3VdbeMemExpandBlob(pOut) ) goto no_mem; + }else{ + sqlite3VdbeMemSetStr(pOut, pOp->p4.z, pOp->p1, 0, 0); + } pOut->enc = encoding; UPDATE_MAX_BLOBSIZE(pOut); break; @@ -86701,11 +93346,16 @@ case OP_Move: { break; } -/* Opcode: Copy P1 P2 P3 * * +/* Opcode: Copy P1 P2 P3 * P5 ** Synopsis: r[P2@P3+1]=r[P1@P3+1] ** ** Make a copy of registers P1..P1+P3 into registers P2..P2+P3. ** +** If the 0x0002 bit of P5 is set then also clear the MEM_Subtype flag in the +** destination. The 0x0001 bit of P5 indicates that this Copy opcode cannot +** be merged. The 0x0001 bit is used by the query planner and does not +** come into play during query execution. +** ** This instruction makes a deep copy of the value. A duplicate ** is made of any string or blob constant. See also OP_SCopy. */ @@ -86720,6 +93370,9 @@ case OP_Copy: { memAboutToChange(p, pOut); sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem); Deephemeralize(pOut); + if( (pOut->flags & MEM_Subtype)!=0 && (pOp->p5 & 0x0002)!=0 ){ + pOut->flags &= ~MEM_Subtype; + } #ifdef SQLITE_DEBUG pOut->pScopyFrom = 0; #endif @@ -86772,6 +93425,24 @@ case OP_IntCopy: { /* out2 */ break; } +/* Opcode: FkCheck * * * * * +** +** Halt with an SQLITE_CONSTRAINT error if there are any unresolved +** foreign key constraint violations. If there are no foreign key +** constraint violations, this is a no-op. +** +** FK constraint violations are also checked when the prepared statement +** exits. This opcode is used to raise foreign key constraint errors prior +** to returning results such as a row change count or the result of a +** RETURNING clause. +*/ +case OP_FkCheck: { + if( (rc = sqlite3VdbeCheckFk(p,0))!=SQLITE_OK ){ + goto abort_due_to_error; + } + break; +} + /* Opcode: ResultRow P1 P2 * * * ** Synopsis: output=r[P1@P2] ** @@ -86782,73 +93453,32 @@ case OP_IntCopy: { /* out2 */ ** the result row. */ case OP_ResultRow: { - Mem *pMem; - int i; assert( p->nResColumn==pOp->p2 ); - assert( pOp->p1>0 ); + assert( pOp->p1>0 || CORRUPT_DB ); assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); - /* If this statement has violated immediate foreign key constraints, do - ** not return the number of rows modified. And do not RELEASE the statement - ** transaction. It needs to be rolled back. */ - if( SQLITE_OK!=(rc = sqlite3VdbeCheckFk(p, 0)) ){ - assert( db->flags&SQLITE_CountRows ); - assert( p->usesStmtJournal ); - goto abort_due_to_error; - } - - /* If the SQLITE_CountRows flag is set in sqlite3.flags mask, then - ** DML statements invoke this opcode to return the number of rows - ** modified to the user. This is the only way that a VM that - ** opens a statement transaction may invoke this opcode. - ** - ** In case this is such a statement, close any statement transaction - ** opened by this VM before returning control to the user. This is to - ** ensure that statement-transactions are always nested, not overlapping. - ** If the open statement-transaction is not closed here, then the user - ** may step another VM that opens its own statement transaction. This - ** may lead to overlapping statement transactions. - ** - ** The statement transaction is never a top-level transaction. Hence - ** the RELEASE call below can never fail. - */ - assert( p->iStatement==0 || db->flags&SQLITE_CountRows ); - rc = sqlite3VdbeCloseStatement(p, SAVEPOINT_RELEASE); - assert( rc==SQLITE_OK ); - - /* Invalidate all ephemeral cursor row caches */ p->cacheCtr = (p->cacheCtr + 2)|1; - - /* Make sure the results of the current row are \000 terminated - ** and have an assigned type. The results are de-ephemeralized as - ** a side effect. - */ - pMem = p->pResultSet = &aMem[pOp->p1]; - for(i=0; ip2; i++){ - assert( memIsValid(&pMem[i]) ); - Deephemeralize(&pMem[i]); - assert( (pMem[i].flags & MEM_Ephem)==0 - || (pMem[i].flags & (MEM_Str|MEM_Blob))==0 ); - sqlite3VdbeMemNulTerminate(&pMem[i]); - REGISTER_TRACE(pOp->p1+i, &pMem[i]); + p->pResultRow = &aMem[pOp->p1]; #ifdef SQLITE_DEBUG - /* The registers in the result will not be used again when the - ** prepared statement restarts. This is because sqlite3_column() - ** APIs might have caused type conversions of made other changes to - ** the register values. Therefore, we can go ahead and break any - ** OP_SCopy dependencies. */ - pMem[i].pScopyFrom = 0; -#endif + { + Mem *pMem = p->pResultRow; + int i; + for(i=0; ip2; i++){ + assert( memIsValid(&pMem[i]) ); + REGISTER_TRACE(pOp->p1+i, &pMem[i]); + /* The registers in the result will not be used again when the + ** prepared statement restarts. This is because sqlite3_column() + ** APIs might have caused type conversions of made other changes to + ** the register values. Therefore, we can go ahead and break any + ** OP_SCopy dependencies. */ + pMem[i].pScopyFrom = 0; + } } +#endif if( db->mallocFailed ) goto no_mem; - if( db->mTrace & SQLITE_TRACE_ROW ){ db->trace.xV2(SQLITE_TRACE_ROW, db->pTraceArg, p, 0); } - - - /* Return SQLITE_ROW - */ p->pc = (int)(pOp - aOp) + 1; rc = SQLITE_ROW; goto vdbe_return; @@ -86903,7 +93533,7 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */ if( nByte>db->aLimit[SQLITE_LIMIT_LENGTH] ){ goto too_big; } - if( sqlite3VdbeMemGrow(pOut, (int)nByte+3, pOut==pIn2) ){ + if( sqlite3VdbeMemGrow(pOut, (int)nByte+2, pOut==pIn2) ){ goto no_mem; } MemSetTypeFlag(pOut, MEM_Str); @@ -86915,9 +93545,9 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */ memcpy(&pOut->z[pIn2->n], pIn1->z, pIn1->n); assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) ); pIn1->flags = flags1; + if( encoding>SQLITE_UTF8 ) nByte &= ~1; pOut->z[nByte]=0; pOut->z[nByte+1] = 0; - pOut->z[nByte+2] = 0; pOut->flags |= MEM_Term; pOut->n = (int)nByte; pOut->enc = encoding; @@ -86968,7 +93598,6 @@ case OP_Subtract: /* same as TK_MINUS, in1, in2, out3 */ case OP_Multiply: /* same as TK_STAR, in1, in2, out3 */ case OP_Divide: /* same as TK_SLASH, in1, in2, out3 */ case OP_Remainder: { /* same as TK_REM, in1, in2, out3 */ - u16 flags; /* Combined MEM_* flags from both inputs */ u16 type1; /* Numeric type of left operand */ u16 type2; /* Numeric type of right operand */ i64 iA; /* Integer value of left operand */ @@ -86977,12 +93606,12 @@ case OP_Remainder: { /* same as TK_REM, in1, in2, out3 */ double rB; /* Real value of right operand */ pIn1 = &aMem[pOp->p1]; - type1 = numericType(pIn1); + type1 = pIn1->flags; pIn2 = &aMem[pOp->p2]; - type2 = numericType(pIn2); + type2 = pIn2->flags; pOut = &aMem[pOp->p3]; - flags = pIn1->flags | pIn2->flags; if( (type1 & type2 & MEM_Int)!=0 ){ +int_math: iA = pIn1->u.i; iB = pIn2->u.i; switch( pOp->opcode ){ @@ -87004,9 +93633,12 @@ case OP_Remainder: { /* same as TK_REM, in1, in2, out3 */ } pOut->u.i = iB; MemSetTypeFlag(pOut, MEM_Int); - }else if( (flags & MEM_Null)!=0 ){ + }else if( ((type1 | type2) & MEM_Null)!=0 ){ goto arithmetic_result_is_null; }else{ + type1 = numericType(pIn1); + type2 = numericType(pIn2); + if( (type1 & type2 & MEM_Int)!=0 ) goto int_math; fp_math: rA = sqlite3VdbeRealValue(pIn1); rB = sqlite3VdbeRealValue(pIn2); @@ -87255,8 +93887,7 @@ case OP_Cast: { /* in1 */ ** Synopsis: IF r[P3]==r[P1] ** ** Compare the values in register P1 and P3. If reg(P3)==reg(P1) then -** jump to address P2. Or if the SQLITE_STOREP2 flag is set in P5, then -** store the result of comparison in register P2. +** jump to address P2. ** ** The SQLITE_AFF_MASK portion of P5 must be an affinity character - ** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made @@ -87282,9 +93913,8 @@ case OP_Cast: { /* in1 */ ** If neither operand is NULL the result is the same as it would be if ** the SQLITE_NULLEQ flag were omitted from P5. ** -** If both SQLITE_STOREP2 and SQLITE_KEEPNULL flags are set then the -** content of r[P2] is only changed if the new value is NULL or 0 (false). -** In other words, a prior r[P2] value will not be overwritten by 1 (true). +** This opcode saves the result of comparison for use by the new +** OP_Jump opcode. */ /* Opcode: Ne P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]!=r[P1] @@ -87292,17 +93922,12 @@ case OP_Cast: { /* in1 */ ** This works just like the Eq opcode except that the jump is taken if ** the operands in registers P1 and P3 are not equal. See the Eq opcode for ** additional information. -** -** If both SQLITE_STOREP2 and SQLITE_KEEPNULL flags are set then the -** content of r[P2] is only changed if the new value is NULL or 1 (true). -** In other words, a prior r[P2] value will not be overwritten by 0 (false). */ /* Opcode: Lt P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]p3]; flags1 = pIn1->flags; flags3 = pIn3->flags; + if( (flags1 & flags3 & MEM_Int)!=0 ){ + /* Common case of comparison of two integers */ + if( pIn3->u.i > pIn1->u.i ){ + if( sqlite3aGTb[pOp->opcode] ){ + VdbeBranchTaken(1, (pOp->p5 & SQLITE_NULLEQ)?2:3); + goto jump_to_p2; + } + iCompare = +1; + VVA_ONLY( iCompareIsInit = 1; ) + }else if( pIn3->u.i < pIn1->u.i ){ + if( sqlite3aLTb[pOp->opcode] ){ + VdbeBranchTaken(1, (pOp->p5 & SQLITE_NULLEQ)?2:3); + goto jump_to_p2; + } + iCompare = -1; + VVA_ONLY( iCompareIsInit = 1; ) + }else{ + if( sqlite3aEQb[pOp->opcode] ){ + VdbeBranchTaken(1, (pOp->p5 & SQLITE_NULLEQ)?2:3); + goto jump_to_p2; + } + iCompare = 0; + VVA_ONLY( iCompareIsInit = 1; ) + } + VdbeBranchTaken(0, (pOp->p5 & SQLITE_NULLEQ)?2:3); + break; + } if( (flags1 | flags3)&MEM_Null ){ /* One or both operands are NULL */ if( pOp->p5 & SQLITE_NULLEQ ){ @@ -87384,43 +94039,30 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ ** then the result is always NULL. ** The jump is taken if the SQLITE_JUMPIFNULL bit is set. */ - if( pOp->p5 & SQLITE_STOREP2 ){ - pOut = &aMem[pOp->p2]; - iCompare = 1; /* Operands are not equal */ - memAboutToChange(p, pOut); - MemSetTypeFlag(pOut, MEM_Null); - REGISTER_TRACE(pOp->p2, pOut); - }else{ - VdbeBranchTaken(2,3); - if( pOp->p5 & SQLITE_JUMPIFNULL ){ - goto jump_to_p2; - } + VdbeBranchTaken(2,3); + if( pOp->p5 & SQLITE_JUMPIFNULL ){ + goto jump_to_p2; } + iCompare = 1; /* Operands are not equal */ + VVA_ONLY( iCompareIsInit = 1; ) break; } }else{ - /* Neither operand is NULL. Do a comparison. */ + /* Neither operand is NULL and we couldn't do the special high-speed + ** integer comparison case. So do a general-case comparison. */ affinity = pOp->p5 & SQLITE_AFF_MASK; if( affinity>=SQLITE_AFF_NUMERIC ){ if( (flags1 | flags3)&MEM_Str ){ if( (flags1 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn1,0); - testcase( flags3==pIn3->flags ); + assert( flags3==pIn3->flags || CORRUPT_DB ); flags3 = pIn3->flags; } if( (flags3 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn3,0); } } - /* Handle the common case of integer comparison here, as an - ** optimization, to avoid a call to sqlite3MemCompare() */ - if( (pIn1->flags & pIn3->flags & MEM_Int)!=0 ){ - if( pIn3->u.i > pIn1->u.i ){ res = +1; goto compare_op; } - if( pIn3->u.i < pIn1->u.i ){ res = -1; goto compare_op; } - res = 0; - goto compare_op; - } - }else if( affinity==SQLITE_AFF_TEXT ){ + }else if( affinity==SQLITE_AFF_TEXT && ((flags1 | flags3) & MEM_Str)!=0 ){ if( (flags1 & MEM_Str)==0 && (flags1&(MEM_Int|MEM_Real|MEM_IntReal))!=0 ){ testcase( pIn1->flags & MEM_Int ); testcase( pIn1->flags & MEM_Real ); @@ -87442,7 +94084,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ assert( pOp->p4type==P4_COLLSEQ || pOp->p4.pColl==0 ); res = sqlite3MemCompare(pIn3, pIn1, pOp->p4.pColl); } -compare_op: + /* At this point, res is negative, zero, or positive if reg[P1] is ** less than, equal to, or greater than reg[P3], respectively. Compute ** the answer to this operator in res2, depending on what the comparison @@ -87451,16 +94093,15 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ ** order: NE, EQ, GT, LE, LT, GE */ assert( OP_Eq==OP_Ne+1 ); assert( OP_Gt==OP_Ne+2 ); assert( OP_Le==OP_Ne+3 ); assert( OP_Lt==OP_Ne+4 ); assert( OP_Ge==OP_Ne+5 ); - if( res<0 ){ /* ne, eq, gt, le, lt, ge */ - static const unsigned char aLTb[] = { 1, 0, 0, 1, 1, 0 }; - res2 = aLTb[pOp->opcode - OP_Ne]; + if( res<0 ){ + res2 = sqlite3aLTb[pOp->opcode]; }else if( res==0 ){ - static const unsigned char aEQb[] = { 0, 1, 0, 1, 0, 1 }; - res2 = aEQb[pOp->opcode - OP_Ne]; + res2 = sqlite3aEQb[pOp->opcode]; }else{ - static const unsigned char aGTb[] = { 1, 0, 1, 0, 0, 1 }; - res2 = aGTb[pOp->opcode - OP_Ne]; + res2 = sqlite3aGTb[pOp->opcode]; } + iCompare = res; + VVA_ONLY( iCompareIsInit = 1; ) /* Undo any changes made by applyAffinity() to the input registers. */ assert( (pIn3->flags & MEM_Dyn) == (flags3 & MEM_Dyn) ); @@ -87468,67 +94109,40 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) ); pIn1->flags = flags1; - if( pOp->p5 & SQLITE_STOREP2 ){ - pOut = &aMem[pOp->p2]; - iCompare = res; - if( (pOp->p5 & SQLITE_KEEPNULL)!=0 ){ - /* The KEEPNULL flag prevents OP_Eq from overwriting a NULL with 1 - ** and prevents OP_Ne from overwriting NULL with 0. This flag - ** is only used in contexts where either: - ** (1) op==OP_Eq && (r[P2]==NULL || r[P2]==0) - ** (2) op==OP_Ne && (r[P2]==NULL || r[P2]==1) - ** Therefore it is not necessary to check the content of r[P2] for - ** NULL. */ - assert( pOp->opcode==OP_Ne || pOp->opcode==OP_Eq ); - assert( res2==0 || res2==1 ); - testcase( res2==0 && pOp->opcode==OP_Eq ); - testcase( res2==1 && pOp->opcode==OP_Eq ); - testcase( res2==0 && pOp->opcode==OP_Ne ); - testcase( res2==1 && pOp->opcode==OP_Ne ); - if( (pOp->opcode==OP_Eq)==res2 ) break; - } - memAboutToChange(p, pOut); - MemSetTypeFlag(pOut, MEM_Int); - pOut->u.i = res2; - REGISTER_TRACE(pOp->p2, pOut); - }else{ - VdbeBranchTaken(res2!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3); - if( res2 ){ - goto jump_to_p2; - } + VdbeBranchTaken(res2!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3); + if( res2 ){ + goto jump_to_p2; } break; } -/* Opcode: ElseNotEq * P2 * * * +/* Opcode: ElseEq * P2 * * * ** ** This opcode must follow an OP_Lt or OP_Gt comparison operator. There ** can be zero or more OP_ReleaseReg opcodes intervening, but no other ** opcodes are allowed to occur between this instruction and the previous -** OP_Lt or OP_Gt. Furthermore, the prior OP_Lt or OP_Gt must have the -** SQLITE_STOREP2 bit set in the P5 field. +** OP_Lt or OP_Gt. ** -** If result of an OP_Eq comparison on the same two operands as the -** prior OP_Lt or OP_Gt would have been NULL or false (0), then then -** jump to P2. If the result of an OP_Eq comparison on the two previous -** operands would have been true (1), then fall through. +** If the result of an OP_Eq comparison on the same two operands as +** the prior OP_Lt or OP_Gt would have been true, then jump to P2. If +** the result of an OP_Eq comparison on the two previous operands +** would have been false or NULL, then fall through. */ -case OP_ElseNotEq: { /* same as TK_ESCAPE, jump */ +case OP_ElseEq: { /* same as TK_ESCAPE, jump */ #ifdef SQLITE_DEBUG /* Verify the preconditions of this opcode - that it follows an OP_Lt or - ** OP_Gt with the SQLITE_STOREP2 flag set, with zero or more intervening - ** OP_ReleaseReg opcodes */ + ** OP_Gt with zero or more intervening OP_ReleaseReg opcodes */ int iAddr; for(iAddr = (int)(pOp - aOp) - 1; ALWAYS(iAddr>=0); iAddr--){ if( aOp[iAddr].opcode==OP_ReleaseReg ) continue; assert( aOp[iAddr].opcode==OP_Lt || aOp[iAddr].opcode==OP_Gt ); - assert( aOp[iAddr].p5 & SQLITE_STOREP2 ); break; } #endif /* SQLITE_DEBUG */ - VdbeBranchTaken(iCompare!=0, 2); - if( iCompare!=0 ) goto jump_to_p2; + assert( iCompareIsInit ); + VdbeBranchTaken(iCompare==0, 2); + if( iCompare==0 ) goto jump_to_p2; break; } @@ -87538,9 +94152,8 @@ case OP_ElseNotEq: { /* same as TK_ESCAPE, jump */ ** Set the permutation used by the OP_Compare operator in the next ** instruction. The permutation is stored in the P4 operand. ** -** The permutation is only valid until the next OP_Compare that has -** the OPFLAG_PERMUTE bit set in P5. Typically the OP_Permutation should -** occur immediately prior to the OP_Compare. +** The permutation is only valid for the next opcode which must be +** an OP_Compare that has the OPFLAG_PERMUTE bit set in P5. ** ** The first integer in the P4 integer array is the length of the array ** and does not become part of the permutation. @@ -87572,6 +94185,8 @@ case OP_Permutation: { ** The comparison is a sort comparison, so NULLs compare equal, ** NULLs are less than numbers, numbers are less than strings, ** and strings are less than blobs. +** +** This opcode must be immediately followed by an OP_Jump opcode. */ case OP_Compare: { int n; @@ -87620,6 +94235,7 @@ case OP_Compare: { pColl = pKeyInfo->aColl[i]; bRev = (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_DESC); iCompare = sqlite3MemCompare(&aMem[p1+idx], &aMem[p2+idx], pColl); + VVA_ONLY( iCompareIsInit = 1; ) if( iCompare ){ if( (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_BIGNULL) && ((aMem[p1+idx].flags & MEM_Null) || (aMem[p2+idx].flags & MEM_Null)) @@ -87630,16 +94246,21 @@ case OP_Compare: { break; } } + assert( pOp[1].opcode==OP_Jump ); break; } /* Opcode: Jump P1 P2 P3 * * ** ** Jump to the instruction at address P1, P2, or P3 depending on whether -** in the most recent OP_Compare instruction the P1 vector was less than +** in the most recent OP_Compare instruction the P1 vector was less than, ** equal to, or greater than the P2 vector, respectively. +** +** This opcode must immediately follow an OP_Compare opcode. */ case OP_Jump: { /* jump */ + assert( pOp>aOp && pOp[-1].opcode==OP_Compare ); + assert( iCompareIsInit ); if( iCompare<0 ){ VdbeBranchTaken(0,4); pOp = &aOp[pOp->p1 - 1]; }else if( iCompare==0 ){ @@ -87839,6 +94460,117 @@ case OP_IsNull: { /* same as TK_ISNULL, jump, in1 */ break; } +/* Opcode: IsType P1 P2 P3 P4 P5 +** Synopsis: if typeof(P1.P3) in P5 goto P2 +** +** Jump to P2 if the type of a column in a btree is one of the types specified +** by the P5 bitmask. +** +** P1 is normally a cursor on a btree for which the row decode cache is +** valid through at least column P3. In other words, there should have been +** a prior OP_Column for column P3 or greater. If the cursor is not valid, +** then this opcode might give spurious results. +** The the btree row has fewer than P3 columns, then use P4 as the +** datatype. +** +** If P1 is -1, then P3 is a register number and the datatype is taken +** from the value in that register. +** +** P5 is a bitmask of data types. SQLITE_INTEGER is the least significant +** (0x01) bit. SQLITE_FLOAT is the 0x02 bit. SQLITE_TEXT is 0x04. +** SQLITE_BLOB is 0x08. SQLITE_NULL is 0x10. +** +** WARNING: This opcode does not reliably distinguish between NULL and REAL +** when P1>=0. If the database contains a NaN value, this opcode will think +** that the datatype is REAL when it should be NULL. When P1<0 and the value +** is already stored in register P3, then this opcode does reliably +** distinguish between NULL and REAL. The problem only arises then P1>=0. +** +** Take the jump to address P2 if and only if the datatype of the +** value determined by P1 and P3 corresponds to one of the bits in the +** P5 bitmask. +** +*/ +case OP_IsType: { /* jump */ + VdbeCursor *pC; + u16 typeMask; + u32 serialType; + + assert( pOp->p1>=(-1) && pOp->p1nCursor ); + assert( pOp->p1>=0 || (pOp->p3>=0 && pOp->p3<=(p->nMem+1 - p->nCursor)) ); + if( pOp->p1>=0 ){ + pC = p->apCsr[pOp->p1]; + assert( pC!=0 ); + assert( pOp->p3>=0 ); + if( pOp->p3nHdrParsed ){ + serialType = pC->aType[pOp->p3]; + if( serialType>=12 ){ + if( serialType&1 ){ + typeMask = 0x04; /* SQLITE_TEXT */ + }else{ + typeMask = 0x08; /* SQLITE_BLOB */ + } + }else{ + static const unsigned char aMask[] = { + 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x2, + 0x01, 0x01, 0x10, 0x10 + }; + testcase( serialType==0 ); + testcase( serialType==1 ); + testcase( serialType==2 ); + testcase( serialType==3 ); + testcase( serialType==4 ); + testcase( serialType==5 ); + testcase( serialType==6 ); + testcase( serialType==7 ); + testcase( serialType==8 ); + testcase( serialType==9 ); + testcase( serialType==10 ); + testcase( serialType==11 ); + typeMask = aMask[serialType]; + } + }else{ + typeMask = 1 << (pOp->p4.i - 1); + testcase( typeMask==0x01 ); + testcase( typeMask==0x02 ); + testcase( typeMask==0x04 ); + testcase( typeMask==0x08 ); + testcase( typeMask==0x10 ); + } + }else{ + assert( memIsValid(&aMem[pOp->p3]) ); + typeMask = 1 << (sqlite3_value_type((sqlite3_value*)&aMem[pOp->p3])-1); + testcase( typeMask==0x01 ); + testcase( typeMask==0x02 ); + testcase( typeMask==0x04 ); + testcase( typeMask==0x08 ); + testcase( typeMask==0x10 ); + } + VdbeBranchTaken( (typeMask & pOp->p5)!=0, 2); + if( typeMask & pOp->p5 ){ + goto jump_to_p2; + } + break; +} + +/* Opcode: ZeroOrNull P1 P2 P3 * * +** Synopsis: r[P2] = 0 OR NULL +** +** If both registers P1 and P3 are NOT NULL, then store a zero in +** register P2. If either registers P1 or P3 are NULL then put +** a NULL in register P2. +*/ +case OP_ZeroOrNull: { /* in1, in2, out2, in3 */ + if( (aMem[pOp->p1].flags & MEM_Null)!=0 + || (aMem[pOp->p3].flags & MEM_Null)!=0 + ){ + sqlite3VdbeMemSetNull(aMem + pOp->p2); + }else{ + sqlite3VdbeMemSetInt64(aMem + pOp->p2, 0); + } + break; +} + /* Opcode: NotNull P1 P2 * * * ** Synopsis: if r[P1]!=NULL goto P2 ** @@ -87860,11 +94592,14 @@ case OP_NotNull: { /* same as TK_NOTNULL, jump, in1 */ ** If it is, then set register P3 to NULL and jump immediately to P2. ** If P1 is not on a NULL row, then fall through without making any ** changes. +** +** If P1 is not an open cursor, then this opcode is a no-op. */ case OP_IfNullRow: { /* jump */ + VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1nCursor ); - assert( p->apCsr[pOp->p1]!=0 ); - if( p->apCsr[pOp->p1]->nullRow ){ + pC = p->apCsr[pOp->p1]; + if( pC && pC->nullRow ){ sqlite3VdbeMemSetNull(aMem + pOp->p3); goto jump_to_p2; } @@ -87892,22 +94627,30 @@ case OP_Offset: { /* out3 */ assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; pOut = &p->aMem[pOp->p3]; - if( NEVER(pC==0) || pC->eCurType!=CURTYPE_BTREE ){ + if( pC==0 || pC->eCurType!=CURTYPE_BTREE ){ sqlite3VdbeMemSetNull(pOut); }else{ - sqlite3VdbeMemSetInt64(pOut, sqlite3BtreeOffset(pC->uc.pCursor)); + if( pC->deferredMoveto ){ + rc = sqlite3VdbeFinishMoveto(pC); + if( rc ) goto abort_due_to_error; + } + if( sqlite3BtreeEof(pC->uc.pCursor) ){ + sqlite3VdbeMemSetNull(pOut); + }else{ + sqlite3VdbeMemSetInt64(pOut, sqlite3BtreeOffset(pC->uc.pCursor)); + } } break; } #endif /* SQLITE_ENABLE_OFFSET_SQL_FUNC */ /* Opcode: Column P1 P2 P3 P4 P5 -** Synopsis: r[P3]=PX +** Synopsis: r[P3]=PX cursor P1 column P2 ** ** Interpret the data that cursor P1 points to as a structure built using ** the MakeRecord instruction. (See the MakeRecord opcode for additional ** information about the format of the data.) Extract the P2-th column -** from this record. If there are less that (P2+1) +** from this record. If there are less than (P2+1) ** values in the record, extract a NULL. ** ** The value extracted is stored in register P3. @@ -87916,15 +94659,17 @@ case OP_Offset: { /* out3 */ ** if the P4 argument is a P4_MEM use the value of the P4 argument as ** the result. ** -** If the OPFLAG_LENGTHARG and OPFLAG_TYPEOFARG bits are set on P5 then -** the result is guaranteed to only be used as the argument of a length() -** or typeof() function, respectively. The loading of large blobs can be -** skipped for length() and all content loading can be skipped for typeof(). +** If the OPFLAG_LENGTHARG bit is set in P5 then the result is guaranteed +** to only be used by the length() function or the equivalent. The content +** of large blobs is not loaded, thus saving CPU cycles. If the +** OPFLAG_TYPEOFARG bit is set then the result will only be used by the +** typeof() function or the IS NULL or IS NOT NULL operators or the +** equivalent. In this case, all content loading can be omitted. */ -case OP_Column: { +case OP_Column: { /* ncycle */ u32 p2; /* column number to retrieve */ VdbeCursor *pC; /* The VDBE cursor */ - BtCursor *pCrsr; /* The BTree cursor */ + BtCursor *pCrsr; /* The B-Tree cursor corresponding to pC */ u32 *aOffset; /* aOffset[i] is offset to start of data for i-th column */ int len; /* The length of the serialized data for the column */ int i; /* Loop counter */ @@ -87938,43 +94683,53 @@ case OP_Column: { Mem *pReg; /* PseudoTable input register */ assert( pOp->p1>=0 && pOp->p1nCursor ); + assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pC = p->apCsr[pOp->p1]; - assert( pC!=0 ); p2 = (u32)pOp->p2; - /* If the cursor cache is stale (meaning it is not currently point at - ** the correct row) then bring it up-to-date by doing the necessary - ** B-Tree seek. */ - rc = sqlite3VdbeCursorMoveto(&pC, &p2); - if( rc ) goto abort_due_to_error; - - assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); - pDest = &aMem[pOp->p3]; - memAboutToChange(p, pDest); +op_column_restart: assert( pC!=0 ); - assert( p2<(u32)pC->nField ); + assert( p2<(u32)pC->nField + || (pC->eCurType==CURTYPE_PSEUDO && pC->seekResult==0) ); aOffset = pC->aOffset; + assert( aOffset==pC->aType+pC->nField ); assert( pC->eCurType!=CURTYPE_VTAB ); assert( pC->eCurType!=CURTYPE_PSEUDO || pC->nullRow ); assert( pC->eCurType!=CURTYPE_SORTER ); if( pC->cacheStatus!=p->cacheCtr ){ /*OPTIMIZATION-IF-FALSE*/ if( pC->nullRow ){ - if( pC->eCurType==CURTYPE_PSEUDO ){ + if( pC->eCurType==CURTYPE_PSEUDO && pC->seekResult>0 ){ /* For the special case of as pseudo-cursor, the seekResult field ** identifies the register that holds the record */ - assert( pC->seekResult>0 ); pReg = &aMem[pC->seekResult]; assert( pReg->flags & MEM_Blob ); assert( memIsValid(pReg) ); pC->payloadSize = pC->szRow = pReg->n; pC->aRow = (u8*)pReg->z; }else{ + pDest = &aMem[pOp->p3]; + memAboutToChange(p, pDest); sqlite3VdbeMemSetNull(pDest); goto op_column_out; } }else{ pCrsr = pC->uc.pCursor; + if( pC->deferredMoveto ){ + u32 iMap; + assert( !pC->isEphemeral ); + if( pC->ub.aAltMap && (iMap = pC->ub.aAltMap[1+p2])>0 ){ + pC = pC->pAltCursor; + p2 = iMap - 1; + goto op_column_restart; + } + rc = sqlite3VdbeFinishMoveto(pC); + if( rc ) goto abort_due_to_error; + }else if( sqlite3BtreeCursorHasMoved(pCrsr) ){ + rc = sqlite3VdbeHandleMovedCursor(pC); + if( rc ) goto abort_due_to_error; + goto op_column_restart; + } assert( pC->eCurType==CURTYPE_BTREE ); assert( pCrsr ); assert( sqlite3BtreeCursorIsValid(pCrsr) ); @@ -87982,15 +94737,15 @@ case OP_Column: { pC->aRow = sqlite3BtreePayloadFetch(pCrsr, &pC->szRow); assert( pC->szRow<=pC->payloadSize ); assert( pC->szRow<=65536 ); /* Maximum page size is 64KiB */ - if( pC->payloadSize > (u32)db->aLimit[SQLITE_LIMIT_LENGTH] ){ - goto too_big; - } } pC->cacheStatus = p->cacheCtr; - pC->iHdrOffset = getVarint32(pC->aRow, aOffset[0]); + if( (aOffset[0] = pC->aRow[0])<0x80 ){ + pC->iHdrOffset = 1; + }else{ + pC->iHdrOffset = sqlite3GetVarint32(pC->aRow, aOffset); + } pC->nHdrParsed = 0; - if( pC->szRowaRow does not have to hold the entire row, but it does at least ** need to cover the header of the record. If pC->aRow does not contain @@ -88030,6 +94785,10 @@ case OP_Column: { testcase( aOffset[0]==0 ); goto op_column_read_header; } + }else if( sqlite3BtreeCursorHasMoved(pC->uc.pCursor) ){ + rc = sqlite3VdbeHandleMovedCursor(pC); + if( rc ) goto abort_due_to_error; + goto op_column_restart; } /* Make sure at least the first p2+1 entries of the header have been @@ -88098,6 +94857,8 @@ case OP_Column: { ** columns. So the result will be either the default value or a NULL. */ if( pC->nHdrParsed<=p2 ){ + pDest = &aMem[pOp->p3]; + memAboutToChange(p, pDest); if( pOp->p4type==P4_MEM ){ sqlite3VdbeMemShallowCopy(pDest, pOp->p4.pMem, MEM_Static); }else{ @@ -88115,6 +94876,8 @@ case OP_Column: { */ assert( p2nHdrParsed ); assert( rc==SQLITE_OK ); + pDest = &aMem[pOp->p3]; + memAboutToChange(p, pDest); assert( sqlite3VdbeCheckMemInvariants(pDest) ); if( VdbeMemDynamic(pDest) ){ sqlite3VdbeMemSetNull(pDest); @@ -88135,6 +94898,7 @@ case OP_Column: { pDest->n = len = (t-12)/2; pDest->enc = encoding; if( pDest->szMalloc < len+2 ){ + if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) goto too_big; pDest->flags = MEM_Null; if( sqlite3VdbeMemGrow(pDest, len+2, 0) ) goto no_mem; }else{ @@ -88146,11 +94910,16 @@ case OP_Column: { pDest->flags = aFlag[t&1]; } }else{ + u8 p5; pDest->enc = encoding; + assert( pDest->db==db ); /* This branch happens only when content is on overflow pages */ - if( ((pOp->p5 & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG))!=0 - && ((t>=12 && (t&1)==0) || (pOp->p5 & OPFLAG_TYPEOFARG)!=0)) - || (len = sqlite3VdbeSerialTypeLen(t))==0 + if( ((p5 = (pOp->p5 & OPFLAG_BYTELENARG))!=0 + && (p5==OPFLAG_TYPEOFARG + || (t>=12 && ((t&1)==0 || p5==OPFLAG_BYTELENARG)) + ) + ) + || sqlite3VdbeSerialTypeLen(t)==0 ){ /* Content is irrelevant for ** 1. the typeof() function, @@ -88167,10 +94936,13 @@ case OP_Column: { */ sqlite3VdbeSerialGet((u8*)sqlite3CtypeMap, t, pDest); }else{ - rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, aOffset[p2], len, pDest); - if( rc!=SQLITE_OK ) goto abort_due_to_error; - sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); - pDest->flags &= ~MEM_Ephem; + rc = vdbeColumnFromOverflow(pC, p2, t, aOffset[p2], + p->cacheCtr, colCacheCtr, pDest); + if( rc ){ + if( rc==SQLITE_NOMEM ) goto no_mem; + if( rc==SQLITE_TOOBIG ) goto too_big; + goto abort_due_to_error; + } } } @@ -88189,6 +94961,110 @@ case OP_Column: { } } +/* Opcode: TypeCheck P1 P2 P3 P4 * +** Synopsis: typecheck(r[P1@P2]) +** +** Apply affinities to the range of P2 registers beginning with P1. +** Take the affinities from the Table object in P4. If any value +** cannot be coerced into the correct type, then raise an error. +** +** This opcode is similar to OP_Affinity except that this opcode +** forces the register type to the Table column type. This is used +** to implement "strict affinity". +** +** GENERATED ALWAYS AS ... STATIC columns are only checked if P3 +** is zero. When P3 is non-zero, no type checking occurs for +** static generated columns. Virtual columns are computed at query time +** and so they are never checked. +** +** Preconditions: +** +**
      +**
    • P2 should be the number of non-virtual columns in the +** table of P4. +**
    • Table P4 should be a STRICT table. +**
    +** +** If any precondition is false, an assertion fault occurs. +*/ +case OP_TypeCheck: { + Table *pTab; + Column *aCol; + int i; + + assert( pOp->p4type==P4_TABLE ); + pTab = pOp->p4.pTab; + assert( pTab->tabFlags & TF_Strict ); + assert( pTab->nNVCol==pOp->p2 ); + aCol = pTab->aCol; + pIn1 = &aMem[pOp->p1]; + for(i=0; inCol; i++){ + if( aCol[i].colFlags & COLFLAG_GENERATED ){ + if( aCol[i].colFlags & COLFLAG_VIRTUAL ) continue; + if( pOp->p3 ){ pIn1++; continue; } + } + assert( pIn1 < &aMem[pOp->p1+pOp->p2] ); + applyAffinity(pIn1, aCol[i].affinity, encoding); + if( (pIn1->flags & MEM_Null)==0 ){ + switch( aCol[i].eCType ){ + case COLTYPE_BLOB: { + if( (pIn1->flags & MEM_Blob)==0 ) goto vdbe_type_error; + break; + } + case COLTYPE_INTEGER: + case COLTYPE_INT: { + if( (pIn1->flags & MEM_Int)==0 ) goto vdbe_type_error; + break; + } + case COLTYPE_TEXT: { + if( (pIn1->flags & MEM_Str)==0 ) goto vdbe_type_error; + break; + } + case COLTYPE_REAL: { + testcase( (pIn1->flags & (MEM_Real|MEM_IntReal))==MEM_Real ); + assert( (pIn1->flags & MEM_IntReal)==0 ); + if( pIn1->flags & MEM_Int ){ + /* When applying REAL affinity, if the result is still an MEM_Int + ** that will fit in 6 bytes, then change the type to MEM_IntReal + ** so that we keep the high-resolution integer value but know that + ** the type really wants to be REAL. */ + testcase( pIn1->u.i==140737488355328LL ); + testcase( pIn1->u.i==140737488355327LL ); + testcase( pIn1->u.i==-140737488355328LL ); + testcase( pIn1->u.i==-140737488355329LL ); + if( pIn1->u.i<=140737488355327LL && pIn1->u.i>=-140737488355328LL){ + pIn1->flags |= MEM_IntReal; + pIn1->flags &= ~MEM_Int; + }else{ + pIn1->u.r = (double)pIn1->u.i; + pIn1->flags |= MEM_Real; + pIn1->flags &= ~MEM_Int; + } + }else if( (pIn1->flags & (MEM_Real|MEM_IntReal))==0 ){ + goto vdbe_type_error; + } + break; + } + default: { + /* COLTYPE_ANY. Accept anything. */ + break; + } + } + } + REGISTER_TRACE((int)(pIn1-aMem), pIn1); + pIn1++; + } + assert( pIn1 == &aMem[pOp->p1+pOp->p2] ); + break; + +vdbe_type_error: + sqlite3VdbeError(p, "cannot store %s value in %s column %s.%s", + vdbeMemTypeName(pIn1), sqlite3StdType[aCol[i].eCType-1], + pTab->zName, aCol[i].zCnName); + rc = SQLITE_CONSTRAINT_DATATYPE; + goto abort_due_to_error; +} + /* Opcode: Affinity P1 P2 * P4 * ** Synopsis: affinity(r[P1@P2]) ** @@ -88225,7 +95101,7 @@ case OP_Affinity: { }else{ pIn1->u.r = (double)pIn1->u.i; pIn1->flags |= MEM_Real; - pIn1->flags &= ~MEM_Int; + pIn1->flags &= ~(MEM_Int|MEM_Str); } } REGISTER_TRACE((int)(pIn1-aMem), pIn1); @@ -88275,7 +95151,6 @@ case OP_MakeRecord: { Mem *pLast; /* Last field of the record */ int nField; /* Number of fields in the record */ char *zAffinity; /* The affinity string for the record */ - int file_format; /* File format to use for encoding */ u32 len; /* Length of a field */ u8 *zHdr; /* Where to write next byte of the header */ u8 *zPayload; /* Where to write next byte of the payload */ @@ -88304,7 +95179,6 @@ case OP_MakeRecord: { pData0 = &aMem[nField]; nField = pOp->p2; pLast = &pData0[nField-1]; - file_format = p->minWriteFileFormat; /* Identify the output register */ assert( pOp->p3p1 || pOp->p3>=pOp->p1+pOp->p2 ); @@ -88403,10 +95277,10 @@ case OP_MakeRecord: { testcase( uu==127 ); testcase( uu==128 ); testcase( uu==32767 ); testcase( uu==32768 ); testcase( uu==8388607 ); testcase( uu==8388608 ); - testcase( uu==2147483647 ); testcase( uu==2147483648 ); + testcase( uu==2147483647 ); testcase( uu==2147483648LL ); testcase( uu==140737488355327LL ); testcase( uu==140737488355328LL ); if( uu<=127 ){ - if( (i&1)==i && file_format>=4 ){ + if( (i&1)==i && p->minWriteFileFormat>=4 ){ pRec->uTemp = 8+(u32)uu; }else{ nData++; @@ -88511,18 +95385,60 @@ case OP_MakeRecord: { zPayload = zHdr + nHdr; /* Write the record */ - zHdr += putVarint32(zHdr, nHdr); + if( nHdr<0x80 ){ + *(zHdr++) = nHdr; + }else{ + zHdr += sqlite3PutVarint(zHdr,nHdr); + } assert( pData0<=pLast ); pRec = pData0; - do{ + while( 1 /*exit-by-break*/ ){ serial_type = pRec->uTemp; /* EVIDENCE-OF: R-06529-47362 Following the size varint are one or more - ** additional varints, one per column. */ - zHdr += putVarint32(zHdr, serial_type); /* serial type */ - /* EVIDENCE-OF: R-64536-51728 The values for each column in the record + ** additional varints, one per column. + ** EVIDENCE-OF: R-64536-51728 The values for each column in the record ** immediately follow the header. */ - zPayload += sqlite3VdbeSerialPut(zPayload, pRec, serial_type); /* content */ - }while( (++pRec)<=pLast ); + if( serial_type<=7 ){ + *(zHdr++) = serial_type; + if( serial_type==0 ){ + /* NULL value. No change in zPayload */ + }else{ + u64 v; + u32 i; + if( serial_type==7 ){ + assert( sizeof(v)==sizeof(pRec->u.r) ); + memcpy(&v, &pRec->u.r, sizeof(v)); + swapMixedEndianFloat(v); + }else{ + v = pRec->u.i; + } + len = i = sqlite3SmallTypeSizes[serial_type]; + assert( i>0 ); + while( 1 /*exit-by-break*/ ){ + zPayload[--i] = (u8)(v&0xFF); + if( i==0 ) break; + v >>= 8; + } + zPayload += len; + } + }else if( serial_type<0x80 ){ + *(zHdr++) = serial_type; + if( serial_type>=14 && pRec->n>0 ){ + assert( pRec->z!=0 ); + memcpy(zPayload, pRec->z, pRec->n); + zPayload += pRec->n; + } + }else{ + zHdr += sqlite3PutVarint(zHdr, serial_type); + if( pRec->n ){ + assert( pRec->z!=0 ); + memcpy(zPayload, pRec->z, pRec->n); + zPayload += pRec->n; + } + } + if( pRec==pLast ) break; + pRec++; + } assert( nHdr==(int)(zHdr - (u8*)pOut->z) ); assert( nByte==(int)(zPayload - (u8*)pOut->z) ); @@ -88531,7 +95447,7 @@ case OP_MakeRecord: { break; } -/* Opcode: Count P1 P2 p3 * * +/* Opcode: Count P1 P2 P3 * * ** Synopsis: r[P2]=count() ** ** Store the number of entries (an integer value) in the table or index @@ -88741,7 +95657,10 @@ case OP_Savepoint: { } } if( rc ) goto abort_due_to_error; - + if( p->eVdbeState==VDBE_HALT_STATE ){ + rc = SQLITE_DONE; + goto vdbe_return; + } break; } @@ -88814,7 +95733,8 @@ case OP_AutoCommit: { ** active. ** If P2 is non-zero, then a write-transaction is started, or if a ** read-transaction is already active, it is upgraded to a write-transaction. -** If P2 is zero, then a read-transaction is started. +** If P2 is zero, then a read-transaction is started. If P2 is 2 or more +** then an exclusive transaction is started. ** ** P1 is the index of the database file on which the transaction is ** started. Index 0 is the main database file and index 1 is the @@ -88844,17 +95764,28 @@ case OP_AutoCommit: { */ case OP_Transaction: { Btree *pBt; + Db *pDb; int iMeta = 0; assert( p->bIsReader ); assert( p->readOnly==0 || pOp->p2==0 ); + assert( pOp->p2>=0 && pOp->p2<=2 ); assert( pOp->p1>=0 && pOp->p1nDb ); assert( DbMaskTest(p->btreeMask, pOp->p1) ); - if( pOp->p2 && (db->flags & SQLITE_QueryOnly)!=0 ){ - rc = SQLITE_READONLY; + assert( rc==SQLITE_OK ); + if( pOp->p2 && (db->flags & (SQLITE_QueryOnly|SQLITE_CorruptRdOnly))!=0 ){ + if( db->flags & SQLITE_QueryOnly ){ + /* Writes prohibited by the "PRAGMA query_only=TRUE" statement */ + rc = SQLITE_READONLY; + }else{ + /* Writes prohibited due to a prior SQLITE_CORRUPT in the current + ** transaction */ + rc = SQLITE_CORRUPT; + } goto abort_due_to_error; } - pBt = db->aDb[pOp->p1].pBt; + pDb = &db->aDb[pOp->p1]; + pBt = pDb->pBt; if( pBt ){ rc = sqlite3BtreeBeginTrans(pBt, pOp->p2, &iMeta); @@ -88873,7 +95804,7 @@ case OP_Transaction: { && pOp->p2 && (db->autoCommit==0 || db->nVdbeRead>1) ){ - assert( sqlite3BtreeIsInTrans(pBt) ); + assert( sqlite3BtreeTxnState(pBt)==SQLITE_TXN_WRITE ); if( p->iStatement==0 ){ assert( db->nStatement>=0 && db->nSavepoint>=0 ); db->nStatement++; @@ -88893,9 +95824,9 @@ case OP_Transaction: { } } assert( pOp->p5==0 || pOp->p4type==P4_INT32 ); - if( pOp->p5 - && (iMeta!=pOp->p3 - || db->aDb[pOp->p1].pSchema->iGeneration!=pOp->p4.i) + if( rc==SQLITE_OK + && pOp->p5 + && (iMeta!=pOp->p3 || pDb->pSchema->iGeneration!=pOp->p4.i) ){ /* ** IMPLEMENTATION-OF: R-03189-51135 As each SQL statement runs, the schema @@ -88922,6 +95853,11 @@ case OP_Transaction: { } p->expired = 1; rc = SQLITE_SCHEMA; + + /* Set changeCntOn to 0 to prevent the value returned by sqlite3_changes() + ** from being modified in sqlite3VdbeHalt(). If this statement is + ** reprepared, changeCntOn will be set again. */ + p->changeCntOn = 0; } if( rc ) goto abort_due_to_error; break; @@ -88988,8 +95924,9 @@ case OP_SetCookie: { rc = sqlite3BtreeUpdateMeta(pDb->pBt, pOp->p2, pOp->p3); if( pOp->p2==BTREE_SCHEMA_VERSION ){ /* When the schema cookie changes, record the new cookie internally */ - pDb->pSchema->schema_cookie = pOp->p3 - pOp->p5; + *(u32*)&pDb->pSchema->schema_cookie = *(u32*)&pOp->p3 - pOp->p5; db->mDbFlags |= DBFLAG_SchemaChange; + sqlite3FkClearTriggerCache(db, pOp->p1); }else if( pOp->p2==BTREE_FILE_FORMAT ){ /* Record changes in the file format */ pDb->pSchema->file_format = pOp->p3; @@ -89088,7 +96025,7 @@ case OP_SetCookie: { ** ** See also: OP_OpenRead, OP_ReopenIdx */ -case OP_ReopenIdx: { +case OP_ReopenIdx: { /* ncycle */ int nField; KeyInfo *pKeyInfo; u32 p2; @@ -89103,11 +96040,13 @@ case OP_ReopenIdx: { pCur = p->apCsr[pOp->p1]; if( pCur && pCur->pgnoRoot==(u32)pOp->p2 ){ assert( pCur->iDb==pOp->p3 ); /* Guaranteed by the code generator */ + assert( pCur->eCurType==CURTYPE_BTREE ); + sqlite3BtreeClearCursor(pCur->uc.pCursor); goto open_cursor_set_hints; } /* If the cursor is not currently open or is open on a different ** index, then fall through into OP_OpenRead to force a reopen */ -case OP_OpenRead: +case OP_OpenRead: /* ncycle */ case OP_OpenWrite: assert( pOp->opcode==OP_OpenWrite || pOp->p5==0 || pOp->p5==OPFLAG_SEEKEQ ); @@ -89165,8 +96104,9 @@ case OP_OpenWrite: assert( pOp->p1>=0 ); assert( nField>=0 ); testcase( nField==0 ); /* Table with INTEGER PRIMARY KEY and nothing else */ - pCur = allocateCursor(p, pOp->p1, nField, iDb, CURTYPE_BTREE); + pCur = allocateCursor(p, pOp->p1, nField, CURTYPE_BTREE); if( pCur==0 ) goto no_mem; + pCur->iDb = iDb; pCur->nullRow = 1; pCur->isOrdered = 1; pCur->pgnoRoot = p2; @@ -89200,15 +96140,15 @@ case OP_OpenWrite: ** ** Duplicate ephemeral cursors are used for self-joins of materialized views. */ -case OP_OpenDup: { +case OP_OpenDup: { /* ncycle */ VdbeCursor *pOrig; /* The original cursor to be duplicated */ VdbeCursor *pCx; /* The new cursor */ pOrig = p->apCsr[pOp->p2]; assert( pOrig ); - assert( pOrig->pBtx!=0 ); /* Only ephemeral cursors can be duplicated */ + assert( pOrig->isEphemeral ); /* Only ephemeral cursors can be duplicated */ - pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE); + pCx = allocateCursor(p, pOp->p1, pOrig->nField, CURTYPE_BTREE); if( pCx==0 ) goto no_mem; pCx->nullRow = 1; pCx->isEphemeral = 1; @@ -89216,7 +96156,10 @@ case OP_OpenDup: { pCx->isTable = pOrig->isTable; pCx->pgnoRoot = pOrig->pgnoRoot; pCx->isOrdered = pOrig->isOrdered; - rc = sqlite3BtreeCursor(pOrig->pBtx, pCx->pgnoRoot, BTREE_WRCSR, + pCx->ub.pBtx = pOrig->ub.pBtx; + pCx->noReuse = 1; + pOrig->noReuse = 1; + rc = sqlite3BtreeCursor(pCx->ub.pBtx, pCx->pgnoRoot, BTREE_WRCSR, pCx->pKeyInfo, pCx->uc.pCursor); /* The sqlite3BtreeCursor() routine can only fail for the first cursor ** opened for a database. Since there is already an open cursor when this @@ -89226,7 +96169,7 @@ case OP_OpenDup: { } -/* Opcode: OpenEphemeral P1 P2 * P4 P5 +/* Opcode: OpenEphemeral P1 P2 P3 P4 P5 ** Synopsis: nColumn=P2 ** ** Open a new cursor P1 to a transient table. @@ -89246,6 +96189,10 @@ case OP_OpenDup: { ** in btree.h. These flags control aspects of the operation of ** the btree. The BTREE_OMIT_JOURNAL and BTREE_SINGLE flags are ** added automatically. +** +** If P3 is positive, then reg[P3] is modified slightly so that it +** can be used as zero-length data for OP_Insert. This is an optimization +** that avoids an extra OP_Blob opcode to initialize that register. */ /* Opcode: OpenAutoindex P1 P2 * P4 * ** Synopsis: nColumn=P2 @@ -89255,8 +96202,8 @@ case OP_OpenDup: { ** by this opcode will be used for automatically created transient ** indices in joins. */ -case OP_OpenAutoindex: -case OP_OpenEphemeral: { +case OP_OpenAutoindex: /* ncycle */ +case OP_OpenEphemeral: { /* ncycle */ VdbeCursor *pCx; KeyInfo *pKeyInfo; @@ -89268,50 +96215,63 @@ case OP_OpenEphemeral: { SQLITE_OPEN_TRANSIENT_DB; assert( pOp->p1>=0 ); assert( pOp->p2>=0 ); + if( pOp->p3>0 ){ + /* Make register reg[P3] into a value that can be used as the data + ** form sqlite3BtreeInsert() where the length of the data is zero. */ + assert( pOp->p2==0 ); /* Only used when number of columns is zero */ + assert( pOp->opcode==OP_OpenEphemeral ); + assert( aMem[pOp->p3].flags & MEM_Null ); + aMem[pOp->p3].n = 0; + aMem[pOp->p3].z = ""; + } pCx = p->apCsr[pOp->p1]; - if( pCx && pCx->pBtx ){ - /* If the ephermeral table is already open, erase all existing content - ** so that the table is empty again, rather than creating a new table. */ + if( pCx && !pCx->noReuse && ALWAYS(pOp->p2<=pCx->nField) ){ + /* If the ephemeral table is already open and has no duplicates from + ** OP_OpenDup, then erase all existing content so that the table is + ** empty again, rather than creating a new table. */ assert( pCx->isEphemeral ); pCx->seqCount = 0; pCx->cacheStatus = CACHE_STALE; - rc = sqlite3BtreeClearTable(pCx->pBtx, pCx->pgnoRoot, 0); + rc = sqlite3BtreeClearTable(pCx->ub.pBtx, pCx->pgnoRoot, 0); }else{ - pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, CURTYPE_BTREE); + pCx = allocateCursor(p, pOp->p1, pOp->p2, CURTYPE_BTREE); if( pCx==0 ) goto no_mem; pCx->isEphemeral = 1; - rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->pBtx, + rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->ub.pBtx, BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5, vfsFlags); if( rc==SQLITE_OK ){ - rc = sqlite3BtreeBeginTrans(pCx->pBtx, 1, 0); - } - if( rc==SQLITE_OK ){ - /* If a transient index is required, create it by calling - ** sqlite3BtreeCreateTable() with the BTREE_BLOBKEY flag before - ** opening it. If a transient table is required, just use the - ** automatically created table with root-page 1 (an BLOB_INTKEY table). - */ - if( (pCx->pKeyInfo = pKeyInfo = pOp->p4.pKeyInfo)!=0 ){ - assert( pOp->p4type==P4_KEYINFO ); - rc = sqlite3BtreeCreateTable(pCx->pBtx, &pCx->pgnoRoot, - BTREE_BLOBKEY | pOp->p5); - if( rc==SQLITE_OK ){ - assert( pCx->pgnoRoot==SCHEMA_ROOT+1 ); - assert( pKeyInfo->db==db ); - assert( pKeyInfo->enc==ENC(db) ); - rc = sqlite3BtreeCursor(pCx->pBtx, pCx->pgnoRoot, BTREE_WRCSR, - pKeyInfo, pCx->uc.pCursor); + rc = sqlite3BtreeBeginTrans(pCx->ub.pBtx, 1, 0); + if( rc==SQLITE_OK ){ + /* If a transient index is required, create it by calling + ** sqlite3BtreeCreateTable() with the BTREE_BLOBKEY flag before + ** opening it. If a transient table is required, just use the + ** automatically created table with root-page 1 (an BLOB_INTKEY table). + */ + if( (pCx->pKeyInfo = pKeyInfo = pOp->p4.pKeyInfo)!=0 ){ + assert( pOp->p4type==P4_KEYINFO ); + rc = sqlite3BtreeCreateTable(pCx->ub.pBtx, &pCx->pgnoRoot, + BTREE_BLOBKEY | pOp->p5); + if( rc==SQLITE_OK ){ + assert( pCx->pgnoRoot==SCHEMA_ROOT+1 ); + assert( pKeyInfo->db==db ); + assert( pKeyInfo->enc==ENC(db) ); + rc = sqlite3BtreeCursor(pCx->ub.pBtx, pCx->pgnoRoot, BTREE_WRCSR, + pKeyInfo, pCx->uc.pCursor); + } + pCx->isTable = 0; + }else{ + pCx->pgnoRoot = SCHEMA_ROOT; + rc = sqlite3BtreeCursor(pCx->ub.pBtx, SCHEMA_ROOT, BTREE_WRCSR, + 0, pCx->uc.pCursor); + pCx->isTable = 1; } - pCx->isTable = 0; - }else{ - pCx->pgnoRoot = SCHEMA_ROOT; - rc = sqlite3BtreeCursor(pCx->pBtx, SCHEMA_ROOT, BTREE_WRCSR, - 0, pCx->uc.pCursor); - pCx->isTable = 1; + } + pCx->isOrdered = (pOp->p5!=BTREE_UNORDERED); + if( rc ){ + sqlite3BtreeClose(pCx->ub.pBtx); } } - pCx->isOrdered = (pOp->p5!=BTREE_UNORDERED); } if( rc ) goto abort_due_to_error; pCx->nullRow = 1; @@ -89333,7 +96293,7 @@ case OP_SorterOpen: { assert( pOp->p1>=0 ); assert( pOp->p2>=0 ); - pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, CURTYPE_SORTER); + pCx = allocateCursor(p, pOp->p1, pOp->p2, CURTYPE_SORTER); if( pCx==0 ) goto no_mem; pCx->pKeyInfo = pOp->p4.pKeyInfo; assert( pCx->pKeyInfo->db==db ); @@ -89382,7 +96342,7 @@ case OP_OpenPseudo: { assert( pOp->p1>=0 ); assert( pOp->p3>=0 ); - pCx = allocateCursor(p, pOp->p1, pOp->p3, -1, CURTYPE_PSEUDO); + pCx = allocateCursor(p, pOp->p1, pOp->p3, CURTYPE_PSEUDO); if( pCx==0 ) goto no_mem; pCx->nullRow = 1; pCx->seekResult = pOp->p2; @@ -89401,7 +96361,7 @@ case OP_OpenPseudo: { ** Close a cursor previously opened as P1. If P1 is not ** currently open, this instruction is a no-op. */ -case OP_Close: { +case OP_Close: { /* ncycle */ assert( pOp->p1>=0 && pOp->p1nCursor ); sqlite3VdbeFreeCursor(p, p->apCsr[pOp->p1]); p->apCsr[pOp->p1] = 0; @@ -89518,10 +96478,10 @@ case OP_ColumnsUsed: { ** ** See also: Found, NotFound, SeekGt, SeekGe, SeekLt */ -case OP_SeekLT: /* jump, in3, group */ -case OP_SeekLE: /* jump, in3, group */ -case OP_SeekGE: /* jump, in3, group */ -case OP_SeekGT: { /* jump, in3, group */ +case OP_SeekLT: /* jump, in3, group, ncycle */ +case OP_SeekLE: /* jump, in3, group, ncycle */ +case OP_SeekGE: /* jump, in3, group, ncycle */ +case OP_SeekGT: { /* jump, in3, group, ncycle */ int res; /* Comparison result */ int oc; /* Opcode */ VdbeCursor *pC; /* The cursor to seek */ @@ -89570,6 +96530,7 @@ case OP_SeekGT: { /* jump, in3, group */ /* If the P3 value could not be converted into an integer without ** loss of information, then special processing is required... */ if( (newType & (MEM_Int|MEM_IntReal))==0 ){ + int c; if( (newType & MEM_Real)==0 ){ if( (newType & MEM_Null) || oc>=OP_SeekGE ){ VdbeBranchTaken(1,2); @@ -89579,7 +96540,8 @@ case OP_SeekGT: { /* jump, in3, group */ if( rc!=SQLITE_OK ) goto abort_due_to_error; goto seek_not_found; } - }else + } + c = sqlite3IntFloatCompare(iKey, pIn3->u.r); /* If the approximation iKey is larger than the actual real search ** term, substitute >= for > and < for <=. e.g. if the search term @@ -89588,7 +96550,7 @@ case OP_SeekGT: { /* jump, in3, group */ ** (x > 4.9) -> (x >= 5) ** (x <= 4.9) -> (x < 5) */ - if( pIn3->u.r<(double)iKey ){ + if( c>0 ){ assert( OP_SeekGE==(OP_SeekGT-1) ); assert( OP_SeekLT==(OP_SeekLE-1) ); assert( (OP_SeekLE & 0x0001)==(OP_SeekGT & 0x0001) ); @@ -89597,14 +96559,14 @@ case OP_SeekGT: { /* jump, in3, group */ /* If the approximation iKey is smaller than the actual real search ** term, substitute <= for < and > for >=. */ - else if( pIn3->u.r>(double)iKey ){ + else if( c<0 ){ assert( OP_SeekLE==(OP_SeekLT+1) ); assert( OP_SeekGT==(OP_SeekGE+1) ); assert( (OP_SeekLT & 0x0001)==(OP_SeekGE & 0x0001) ); if( (oc & 0x0001)==(OP_SeekLT & 0x0001) ) oc++; } } - rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, 0, (u64)iKey, 0, &res); + rc = sqlite3BtreeTableMoveto(pC->uc.pCursor, (u64)iKey, 0, &res); pC->movetoTarget = iKey; /* Used by OP_Delete */ if( rc!=SQLITE_OK ){ goto abort_due_to_error; @@ -89648,10 +96610,16 @@ case OP_SeekGT: { /* jump, in3, group */ r.aMem = &aMem[pOp->p3]; #ifdef SQLITE_DEBUG - { int i; for(i=0; i0 ) REGISTER_TRACE(pOp->p3+i, &r.aMem[i]); + } + } #endif r.eqSeen = 0; - rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, &r, 0, 0, &res); + rc = sqlite3BtreeIndexMoveto(pC->uc.pCursor, &r, &res); if( rc!=SQLITE_OK ){ goto abort_due_to_error; } @@ -89710,34 +96678,235 @@ case OP_SeekGT: { /* jump, in3, group */ break; } -/* Opcode: SeekHit P1 P2 * * * -** Synopsis: seekHit=P2 + +/* Opcode: SeekScan P1 P2 * * P5 +** Synopsis: Scan-ahead up to P1 rows +** +** This opcode is a prefix opcode to OP_SeekGE. In other words, this +** opcode must be immediately followed by OP_SeekGE. This constraint is +** checked by assert() statements. +** +** This opcode uses the P1 through P4 operands of the subsequent +** OP_SeekGE. In the text that follows, the operands of the subsequent +** OP_SeekGE opcode are denoted as SeekOP.P1 through SeekOP.P4. Only +** the P1, P2 and P5 operands of this opcode are also used, and are called +** This.P1, This.P2 and This.P5. +** +** This opcode helps to optimize IN operators on a multi-column index +** where the IN operator is on the later terms of the index by avoiding +** unnecessary seeks on the btree, substituting steps to the next row +** of the b-tree instead. A correct answer is obtained if this opcode +** is omitted or is a no-op. +** +** The SeekGE.P3 and SeekGE.P4 operands identify an unpacked key which +** is the desired entry that we want the cursor SeekGE.P1 to be pointing +** to. Call this SeekGE.P3/P4 row the "target". +** +** If the SeekGE.P1 cursor is not currently pointing to a valid row, +** then this opcode is a no-op and control passes through into the OP_SeekGE. +** +** If the SeekGE.P1 cursor is pointing to a valid row, then that row +** might be the target row, or it might be near and slightly before the +** target row, or it might be after the target row. If the cursor is +** currently before the target row, then this opcode attempts to position +** the cursor on or after the target row by invoking sqlite3BtreeStep() +** on the cursor between 1 and This.P1 times. +** +** The This.P5 parameter is a flag that indicates what to do if the +** cursor ends up pointing at a valid row that is past the target +** row. If This.P5 is false (0) then a jump is made to SeekGE.P2. If +** This.P5 is true (non-zero) then a jump is made to This.P2. The P5==0 +** case occurs when there are no inequality constraints to the right of +** the IN constraint. The jump to SeekGE.P2 ends the loop. The P5!=0 case +** occurs when there are inequality constraints to the right of the IN +** operator. In that case, the This.P2 will point either directly to or +** to setup code prior to the OP_IdxGT or OP_IdxGE opcode that checks for +** loop terminate. +** +** Possible outcomes from this opcode:
      +** +**
    1. If the cursor is initially not pointed to any valid row, then +** fall through into the subsequent OP_SeekGE opcode. +** +**
    2. If the cursor is left pointing to a row that is before the target +** row, even after making as many as This.P1 calls to +** sqlite3BtreeNext(), then also fall through into OP_SeekGE. +** +**
    3. If the cursor is left pointing at the target row, either because it +** was at the target row to begin with or because one or more +** sqlite3BtreeNext() calls moved the cursor to the target row, +** then jump to This.P2.., +** +**
    4. If the cursor started out before the target row and a call to +** to sqlite3BtreeNext() moved the cursor off the end of the index +** (indicating that the target row definitely does not exist in the +** btree) then jump to SeekGE.P2, ending the loop. +** +**
    5. If the cursor ends up on a valid row that is past the target row +** (indicating that the target row does not exist in the btree) then +** jump to SeekOP.P2 if This.P5==0 or to This.P2 if This.P5>0. +**
    +*/ +case OP_SeekScan: { /* ncycle */ + VdbeCursor *pC; + int res; + int nStep; + UnpackedRecord r; + + assert( pOp[1].opcode==OP_SeekGE ); + + /* If pOp->p5 is clear, then pOp->p2 points to the first instruction past the + ** OP_IdxGT that follows the OP_SeekGE. Otherwise, it points to the first + ** opcode past the OP_SeekGE itself. */ + assert( pOp->p2>=(int)(pOp-aOp)+2 ); +#ifdef SQLITE_DEBUG + if( pOp->p5==0 ){ + /* There are no inequality constraints following the IN constraint. */ + assert( pOp[1].p1==aOp[pOp->p2-1].p1 ); + assert( pOp[1].p2==aOp[pOp->p2-1].p2 ); + assert( pOp[1].p3==aOp[pOp->p2-1].p3 ); + assert( aOp[pOp->p2-1].opcode==OP_IdxGT + || aOp[pOp->p2-1].opcode==OP_IdxGE ); + testcase( aOp[pOp->p2-1].opcode==OP_IdxGE ); + }else{ + /* There are inequality constraints. */ + assert( pOp->p2==(int)(pOp-aOp)+2 ); + assert( aOp[pOp->p2-1].opcode==OP_SeekGE ); + } +#endif + + assert( pOp->p1>0 ); + pC = p->apCsr[pOp[1].p1]; + assert( pC!=0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + assert( !pC->isTable ); + if( !sqlite3BtreeCursorIsValidNN(pC->uc.pCursor) ){ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("... cursor not valid - fall through\n"); + } +#endif + break; + } + nStep = pOp->p1; + assert( nStep>=1 ); + r.pKeyInfo = pC->pKeyInfo; + r.nField = (u16)pOp[1].p4.i; + r.default_rc = 0; + r.aMem = &aMem[pOp[1].p3]; +#ifdef SQLITE_DEBUG + { + int i; + for(i=0; i0 && pOp->p5==0 ){ + seekscan_search_fail: + /* Jump to SeekGE.P2, ending the loop */ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("... %d steps and then skip\n", pOp->p1 - nStep); + } +#endif + VdbeBranchTaken(1,3); + pOp++; + goto jump_to_p2; + } + if( res>=0 ){ + /* Jump to This.P2, bypassing the OP_SeekGE opcode */ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("... %d steps and then success\n", pOp->p1 - nStep); + } +#endif + VdbeBranchTaken(2,3); + goto jump_to_p2; + break; + } + if( nStep<=0 ){ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("... fall through after %d steps\n", pOp->p1); + } +#endif + VdbeBranchTaken(0,3); + break; + } + nStep--; + pC->cacheStatus = CACHE_STALE; + rc = sqlite3BtreeNext(pC->uc.pCursor, 0); + if( rc ){ + if( rc==SQLITE_DONE ){ + rc = SQLITE_OK; + goto seekscan_search_fail; + }else{ + goto abort_due_to_error; + } + } + } + + break; +} + + +/* Opcode: SeekHit P1 P2 P3 * * +** Synopsis: set P2<=seekHit<=P3 +** +** Increase or decrease the seekHit value for cursor P1, if necessary, +** so that it is no less than P2 and no greater than P3. ** -** Set the seekHit flag on cursor P1 to the value in P2. -** The seekHit flag is used by the IfNoHope opcode. +** The seekHit integer represents the maximum of terms in an index for which +** there is known to be at least one match. If the seekHit value is smaller +** than the total number of equality terms in an index lookup, then the +** OP_IfNoHope opcode might run to see if the IN loop can be abandoned +** early, thus saving work. This is part of the IN-early-out optimization. ** -** P1 must be a valid b-tree cursor. P2 must be a boolean value, -** either 0 or 1. +** P1 must be a valid b-tree cursor. */ -case OP_SeekHit: { +case OP_SeekHit: { /* ncycle */ VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); - assert( pOp->p2==0 || pOp->p2==1 ); - pC->seekHit = pOp->p2 & 1; + assert( pOp->p3>=pOp->p2 ); + if( pC->seekHitp2 ){ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("seekHit changes from %d to %d\n", pC->seekHit, pOp->p2); + } +#endif + pC->seekHit = pOp->p2; + }else if( pC->seekHit>pOp->p3 ){ +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("seekHit changes from %d to %d\n", pC->seekHit, pOp->p3); + } +#endif + pC->seekHit = pOp->p3; + } break; } /* Opcode: IfNotOpen P1 P2 * * * ** Synopsis: if( !csr[P1] ) goto P2 ** -** If cursor P1 is not open, jump to instruction P2. Otherwise, fall through. +** If cursor P1 is not open or if P1 is set to a NULL row using the +** OP_NullRow opcode, then jump to instruction P2. Otherwise, fall through. */ case OP_IfNotOpen: { /* jump */ + VdbeCursor *pCur; + assert( pOp->p1>=0 && pOp->p1nCursor ); - VdbeBranchTaken(p->apCsr[pOp->p1]==0, 2); - if( !p->apCsr[pOp->p1] ){ + pCur = p->apCsr[pOp->p1]; + VdbeBranchTaken(pCur==0 || pCur->nullRow, 2); + if( pCur==0 || pCur->nullRow ){ goto jump_to_p2_and_check_for_interrupt; } break; @@ -89783,16 +96952,20 @@ case OP_IfNotOpen: { /* jump */ ** Synopsis: key=r[P3@P4] ** ** Register P3 is the first of P4 registers that form an unpacked -** record. +** record. Cursor P1 is an index btree. P2 is a jump destination. +** In other words, the operands to this opcode are the same as the +** operands to OP_NotFound and OP_IdxGT. ** -** Cursor P1 is on an index btree. If the seekHit flag is set on P1, then -** this opcode is a no-op. But if the seekHit flag of P1 is clear, then -** check to see if there is any entry in P1 that matches the -** prefix identified by P3 and P4. If no entry matches the prefix, -** jump to P2. Otherwise fall through. +** This opcode is an optimization attempt only. If this opcode always +** falls through, the correct answer is still obtained, but extra work +** is performed. ** -** This opcode behaves like OP_NotFound if the seekHit -** flag is clear and it behaves like OP_Noop if the seekHit flag is set. +** A value of N in the seekHit flag of cursor P1 means that there exists +** a key P3:N that will match some record in the index. We want to know +** if it is possible for a record P3:P4 to match some record in the +** index. If it is not possible, we can skip some work. So if seekHit +** is less than P4, attempt to find out if a match is possible by running +** OP_NotFound. ** ** This opcode is used in IN clause processing for a multi-column key. ** If an IN clause is attached to an element of the key other than the @@ -89829,24 +97002,26 @@ case OP_IfNotOpen: { /* jump */ ** ** See also: NotFound, Found, NotExists */ -case OP_IfNoHope: { /* jump, in3 */ +case OP_IfNoHope: { /* jump, in3, ncycle */ VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); - if( pC->seekHit ) break; +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + printf("seekHit is %d\n", pC->seekHit); + } +#endif + if( pC->seekHit>=pOp->p4.i ) break; /* Fall through into OP_NotFound */ /* no break */ deliberate_fall_through } -case OP_NoConflict: /* jump, in3 */ -case OP_NotFound: /* jump, in3 */ -case OP_Found: { /* jump, in3 */ +case OP_NoConflict: /* jump, in3, ncycle */ +case OP_NotFound: /* jump, in3, ncycle */ +case OP_Found: { /* jump, in3, ncycle */ int alreadyExists; - int takeJump; int ii; VdbeCursor *pC; - int res; - UnpackedRecord *pFree; UnpackedRecord *pIdxKey; UnpackedRecord r; @@ -89861,14 +97036,15 @@ case OP_Found: { /* jump, in3 */ #ifdef SQLITE_DEBUG pC->seekOp = pOp->opcode; #endif - pIn3 = &aMem[pOp->p3]; + r.aMem = &aMem[pOp->p3]; assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->uc.pCursor!=0 ); assert( pC->isTable==0 ); - if( pOp->p4.i>0 ){ + r.nField = (u16)pOp->p4.i; + if( r.nField>0 ){ + /* Key values in an array of registers */ r.pKeyInfo = pC->pKeyInfo; - r.nField = (u16)pOp->p4.i; - r.aMem = pIn3; + r.default_rc = 0; #ifdef SQLITE_DEBUG for(ii=0; iip3+ii, &r.aMem[ii]); } #endif - pIdxKey = &r; - pFree = 0; + rc = sqlite3BtreeIndexMoveto(pC->uc.pCursor, &r, &pC->seekResult); }else{ - assert( pIn3->flags & MEM_Blob ); - rc = ExpandBlob(pIn3); + /* Composite key generated by OP_MakeRecord */ + assert( r.aMem->flags & MEM_Blob ); + assert( pOp->opcode!=OP_NoConflict ); + rc = ExpandBlob(r.aMem); assert( rc==SQLITE_OK || rc==SQLITE_NOMEM ); if( rc ) goto no_mem; - pFree = pIdxKey = sqlite3VdbeAllocUnpackedRecord(pC->pKeyInfo); + pIdxKey = sqlite3VdbeAllocUnpackedRecord(pC->pKeyInfo); if( pIdxKey==0 ) goto no_mem; - sqlite3VdbeRecordUnpack(pC->pKeyInfo, pIn3->n, pIn3->z, pIdxKey); + sqlite3VdbeRecordUnpack(pC->pKeyInfo, r.aMem->n, r.aMem->z, pIdxKey); + pIdxKey->default_rc = 0; + rc = sqlite3BtreeIndexMoveto(pC->uc.pCursor, pIdxKey, &pC->seekResult); + sqlite3DbFreeNN(db, pIdxKey); } - pIdxKey->default_rc = 0; - takeJump = 0; - if( pOp->opcode==OP_NoConflict ){ - /* For the OP_NoConflict opcode, take the jump if any of the - ** input fields are NULL, since any key with a NULL will not - ** conflict */ - for(ii=0; iinField; ii++){ - if( pIdxKey->aMem[ii].flags & MEM_Null ){ - takeJump = 1; - break; - } - } - } - rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, pIdxKey, 0, 0, &res); - if( pFree ) sqlite3DbFreeNN(db, pFree); if( rc!=SQLITE_OK ){ goto abort_due_to_error; } - pC->seekResult = res; - alreadyExists = (res==0); + alreadyExists = (pC->seekResult==0); pC->nullRow = 1-alreadyExists; pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; @@ -89914,8 +97078,25 @@ case OP_Found: { /* jump, in3 */ VdbeBranchTaken(alreadyExists!=0,2); if( alreadyExists ) goto jump_to_p2; }else{ - VdbeBranchTaken(takeJump||alreadyExists==0,2); - if( takeJump || !alreadyExists ) goto jump_to_p2; + if( !alreadyExists ){ + VdbeBranchTaken(1,2); + goto jump_to_p2; + } + if( pOp->opcode==OP_NoConflict ){ + /* For the OP_NoConflict opcode, take the jump if any of the + ** input fields are NULL, since any key with a NULL will not + ** conflict */ + for(ii=0; iiopcode==OP_IfNoHope ){ + pC->seekHit = pOp->p4.i; + } } break; } @@ -89967,7 +97148,7 @@ case OP_Found: { /* jump, in3 */ ** ** See also: Found, NotFound, NoConflict, SeekRowid */ -case OP_SeekRowid: { /* jump, in3 */ +case OP_SeekRowid: { /* jump, in3, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -89992,7 +97173,7 @@ case OP_SeekRowid: { /* jump, in3 */ } /* Fall through into OP_NotExists */ /* no break */ deliberate_fall_through -case OP_NotExists: /* jump, in3 */ +case OP_NotExists: /* jump, in3, ncycle */ pIn3 = &aMem[pOp->p3]; assert( (pIn3->flags & MEM_Int)!=0 || pOp->opcode==OP_SeekRowid ); assert( pOp->p1>=0 && pOp->p1nCursor ); @@ -90008,7 +97189,7 @@ case OP_NotExists: /* jump, in3 */ pCrsr = pC->uc.pCursor; assert( pCrsr!=0 ); res = 0; - rc = sqlite3BtreeMovetoUnpacked(pCrsr, 0, iKey, 0, &res); + rc = sqlite3BtreeTableMoveto(pCrsr, iKey, 0, &res); assert( rc==SQLITE_OK || res==0 ); pC->movetoTarget = iKey; /* Used by OP_Delete */ pC->nullRow = 0; @@ -90066,8 +97247,10 @@ case OP_NewRowid: { /* out2 */ VdbeCursor *pC; /* Cursor of table to get the new rowid */ int res; /* Result of an sqlite3BtreeLast() */ int cnt; /* Counter to limit the number of searches */ +#ifndef SQLITE_OMIT_AUTOINCREMENT Mem *pMem; /* Register holding largest rowid for AUTOINCREMENT */ VdbeFrame *pFrame; /* Root frame of VDBE */ +#endif v = 0; res = 0; @@ -90163,7 +97346,7 @@ case OP_NewRowid: { /* out2 */ do{ sqlite3_randomness(sizeof(v), &v); v &= (MAX_ROWID>>1); v++; /* Ensure that v is greater than zero */ - }while( ((rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, 0, (u64)v, + }while( ((rc = sqlite3BtreeTableMoveto(pC->uc.pCursor, (u64)v, 0, &res))==SQLITE_OK) && (res==0) && (++cnt<100)); @@ -90253,14 +97436,14 @@ case OP_Insert: { assert( (pOp->p5 & OPFLAG_ISNOOP) || HasRowid(pTab) ); }else{ pTab = 0; - zDb = 0; /* Not needed. Silence a compiler warning. */ + zDb = 0; } #ifdef SQLITE_ENABLE_PREUPDATE_HOOK /* Invoke the pre-update hook, if any */ if( pTab ){ if( db->xPreUpdateCallback && !(pOp->p5 & OPFLAG_ISUPDATE) ){ - sqlite3VdbePreUpdateHook(p, pC, SQLITE_INSERT, zDb, pTab, x.nKey,pOp->p2); + sqlite3VdbePreUpdateHook(p,pC,SQLITE_INSERT,zDb,pTab,x.nKey,pOp->p2,-1); } if( db->xUpdateCallback==0 || pTab->aCol==0 ){ /* Prevent post-update hook from running in cases when it should not */ @@ -90270,9 +97453,12 @@ case OP_Insert: { if( pOp->p5 & OPFLAG_ISNOOP ) break; #endif - if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++; - if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = x.nKey; - assert( pData->flags & (MEM_Blob|MEM_Str) ); + assert( (pOp->p5 & OPFLAG_LASTROWID)==0 || (pOp->p5 & OPFLAG_NCHANGE)!=0 ); + if( pOp->p5 & OPFLAG_NCHANGE ){ + p->nChange++; + if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = x.nKey; + } + assert( (pData->flags & (MEM_Blob|MEM_Str))!=0 || pData->n==0 ); x.pData = pData->z; x.nData = pData->n; seekResult = ((pOp->p5 & OPFLAG_USESEEKRESULT) ? pC->seekResult : 0); @@ -90282,11 +97468,14 @@ case OP_Insert: { x.nZero = 0; } x.pKey = 0; + assert( BTREE_PREFORMAT==OPFLAG_PREFORMAT ); rc = sqlite3BtreeInsert(pC->uc.pCursor, &x, - (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION)), seekResult + (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION|OPFLAG_PREFORMAT)), + seekResult ); pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; + colCacheCtr++; /* Invoke the update-hook if required. */ if( rc ) goto abort_due_to_error; @@ -90300,6 +97489,33 @@ case OP_Insert: { break; } +/* Opcode: RowCell P1 P2 P3 * * +** +** P1 and P2 are both open cursors. Both must be opened on the same type +** of table - intkey or index. This opcode is used as part of copying +** the current row from P2 into P1. If the cursors are opened on intkey +** tables, register P3 contains the rowid to use with the new record in +** P1. If they are opened on index tables, P3 is not used. +** +** This opcode must be followed by either an Insert or InsertIdx opcode +** with the OPFLAG_PREFORMAT flag set to complete the insert operation. +*/ +case OP_RowCell: { + VdbeCursor *pDest; /* Cursor to write to */ + VdbeCursor *pSrc; /* Cursor to read from */ + i64 iKey; /* Rowid value to insert with */ + assert( pOp[1].opcode==OP_Insert || pOp[1].opcode==OP_IdxInsert ); + assert( pOp[1].opcode==OP_Insert || pOp->p3==0 ); + assert( pOp[1].opcode==OP_IdxInsert || pOp->p3>0 ); + assert( pOp[1].p5 & OPFLAG_PREFORMAT ); + pDest = p->apCsr[pOp->p1]; + pSrc = p->apCsr[pOp->p2]; + iKey = pOp->p3 ? aMem[pOp->p3].u.i : 0; + rc = sqlite3BtreeTransferRow(pDest->uc.pCursor, pSrc->uc.pCursor, iKey); + if( rc!=SQLITE_OK ) goto abort_due_to_error; + break; +}; + /* Opcode: Delete P1 P2 P3 P4 P5 ** ** Delete the record at which the P1 cursor is currently pointing. @@ -90313,10 +97529,10 @@ case OP_Insert: { ** left in an undefined state. ** ** If the OPFLAG_AUXDELETE bit is set on P5, that indicates that this -** delete one of several associated with deleting a table row and all its -** associated index entries. Exactly one of those deletes is the "primary" -** delete. The others are all on OPFLAG_FORDELETE cursors or else are -** marked with the AUXDELETE flag. +** delete is one of several associated with deleting a table row and +** all its associated index entries. Exactly one of those deletes is +** the "primary" delete. The others are all on OPFLAG_FORDELETE +** cursors or else are marked with the AUXDELETE flag. ** ** If the OPFLAG_NCHANGE flag of P2 (NB: P2 not P5) is set, then the row ** change count is incremented (otherwise not). @@ -90378,13 +97594,14 @@ case OP_Delete: { pC->movetoTarget = sqlite3BtreeIntegerKey(pC->uc.pCursor); } }else{ - zDb = 0; /* Not needed. Silence a compiler warning. */ - pTab = 0; /* Not needed. Silence a compiler warning. */ + zDb = 0; + pTab = 0; } #ifdef SQLITE_ENABLE_PREUPDATE_HOOK /* Invoke the pre-update-hook if required. */ - if( db->xPreUpdateCallback && pOp->p4.pTab ){ + assert( db->xPreUpdateCallback==0 || pTab==pOp->p4.pTab ); + if( db->xPreUpdateCallback && pTab ){ assert( !(opflags & OPFLAG_ISUPDATE) || HasRowid(pTab)==0 || (aMem[pOp->p3].flags & MEM_Int) @@ -90392,7 +97609,7 @@ case OP_Delete: { sqlite3VdbePreUpdateHook(p, pC, (opflags & OPFLAG_ISUPDATE) ? SQLITE_UPDATE : SQLITE_DELETE, zDb, pTab, pC->movetoTarget, - pOp->p3 + pOp->p3, -1 ); } if( opflags & OPFLAG_ISNOOP ) break; @@ -90419,13 +97636,14 @@ case OP_Delete: { rc = sqlite3BtreeDelete(pC->uc.pCursor, pOp->p5); pC->cacheStatus = CACHE_STALE; + colCacheCtr++; pC->seekResult = 0; if( rc ) goto abort_due_to_error; /* Invoke the update-hook if required. */ if( opflags & OPFLAG_NCHANGE ){ p->nChange++; - if( db->xUpdateCallback && HasRowid(pTab) ){ + if( db->xUpdateCallback && ALWAYS(pTab!=0) && HasRowid(pTab) ){ db->xUpdateCallback(db->pUpdateArg, SQLITE_DELETE, zDb, pTab->zName, pC->movetoTarget); assert( pC->iDb>=0 ); @@ -90486,13 +97704,13 @@ case OP_SorterCompare: { ** Write into register P2 the current sorter data for sorter cursor P1. ** Then clear the column header cache on cursor P3. ** -** This opcode is normally use to move a record out of the sorter and into +** This opcode is normally used to move a record out of the sorter and into ** a register that is the source for a pseudo-table cursor created using ** OpenPseudo. That pseudo-table cursor is the one that is identified by ** parameter P3. Clearing the P3 column cache as part of this opcode saves ** us from having to issue a separate NullRow instruction to clear that cache. */ -case OP_SorterData: { +case OP_SorterData: { /* ncycle */ VdbeCursor *pC; pOut = &aMem[pOp->p2]; @@ -90575,7 +97793,7 @@ case OP_RowData: { } /* Opcode: Rowid P1 P2 * * * -** Synopsis: r[P2]=rowid +** Synopsis: r[P2]=PX rowid of P1 ** ** Store in register P2 an integer which is the key of the table entry that ** P1 is currently point to. @@ -90584,7 +97802,7 @@ case OP_RowData: { ** be a separate OP_VRowid opcode for use with virtual tables, but this ** one opcode now works for both table types. */ -case OP_Rowid: { /* out2 */ +case OP_Rowid: { /* out2, ncycle */ VdbeCursor *pC; i64 v; sqlite3_vtab *pVtab; @@ -90630,13 +97848,25 @@ case OP_Rowid: { /* out2 */ ** Move the cursor P1 to a null row. Any OP_Column operations ** that occur while the cursor is on the null row will always ** write a NULL. +** +** If cursor P1 is not previously opened, open it now to a special +** pseudo-cursor that always returns NULL for every column. */ case OP_NullRow: { VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; - assert( pC!=0 ); + if( pC==0 ){ + /* If the cursor is not already open, create a special kind of + ** pseudo-cursor that always gives null rows. */ + pC = allocateCursor(p, pOp->p1, 1, CURTYPE_PSEUDO); + if( pC==0 ) goto no_mem; + pC->seekResult = 0; + pC->isTable = 1; + pC->noReuse = 1; + pC->uc.pCursor = sqlite3BtreeFakeValidCursor(); + } pC->nullRow = 1; pC->cacheStatus = CACHE_STALE; if( pC->eCurType==CURTYPE_BTREE ){ @@ -90671,8 +97901,8 @@ case OP_NullRow: { ** from the end toward the beginning. In other words, the cursor is ** configured to use Prev, not Next. */ -case OP_SeekEnd: -case OP_Last: { /* jump */ +case OP_SeekEnd: /* ncycle */ +case OP_Last: { /* jump, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -90755,8 +97985,8 @@ case OP_IfSmaller: { /* jump */ ** regression tests can determine whether or not the optimizer is ** correctly optimizing out sorts. */ -case OP_SorterSort: /* jump */ -case OP_Sort: { /* jump */ +case OP_SorterSort: /* jump ncycle */ +case OP_Sort: { /* jump ncycle */ #ifdef SQLITE_TEST sqlite3_sort_count++; sqlite3_search_count--; @@ -90773,17 +98003,22 @@ case OP_Sort: { /* jump */ ** If the table or index is not empty, fall through to the following ** instruction. ** +** If P2 is zero, that is an assertion that the P1 table is never +** empty and hence the jump will never be taken. +** ** This opcode leaves the cursor configured to move in forward order, ** from the beginning toward the end. In other words, the cursor is ** configured to use Next, not Prev. */ -case OP_Rewind: { /* jump */ +case OP_Rewind: { /* jump, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; assert( pOp->p1>=0 && pOp->p1nCursor ); assert( pOp->p5==0 ); + assert( pOp->p2>=0 && pOp->p2nOp ); + pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( isSorter(pC)==(pOp->opcode==OP_SorterSort) ); @@ -90803,13 +98038,14 @@ case OP_Rewind: { /* jump */ } if( rc ) goto abort_due_to_error; pC->nullRow = (u8)res; - assert( pOp->p2>0 && pOp->p2nOp ); - VdbeBranchTaken(res!=0,2); - if( res ) goto jump_to_p2; + if( pOp->p2>0 ){ + VdbeBranchTaken(res!=0,2); + if( res ) goto jump_to_p2; + } break; } -/* Opcode: Next P1 P2 P3 P4 P5 +/* Opcode: Next P1 P2 P3 * P5 ** ** Advance cursor P1 so that it points to the next key/data pair in its ** table or index. If there are no more key/value pairs then fall through @@ -90828,15 +98064,12 @@ case OP_Rewind: { /* jump */ ** omitted if that index had been unique. P3 is usually 0. P3 is ** always either 0 or 1. ** -** P4 is always of type P4_ADVANCE. The function pointer points to -** sqlite3BtreeNext(). -** ** If P5 is positive and the jump is taken, then event counter ** number P5-1 in the prepared statement is incremented. ** ** See also: Prev */ -/* Opcode: Prev P1 P2 P3 P4 P5 +/* Opcode: Prev P1 P2 P3 * P5 ** ** Back up cursor P1 so that it points to the previous key/data pair in its ** table or index. If there is no previous key/value pairs then fall through @@ -90856,9 +98089,6 @@ case OP_Rewind: { /* jump */ ** omitted if that index had been unique. P3 is usually 0. P3 is ** always either 0 or 1. ** -** P4 is always of type P4_ADVANCE. The function pointer points to -** sqlite3BtreePrevious(). -** ** If P5 is positive and the jump is taken, then event counter ** number P5-1 in the prepared statement is incremented. */ @@ -90876,30 +98106,37 @@ case OP_SorterNext: { /* jump */ assert( isSorter(pC) ); rc = sqlite3VdbeSorterNext(db, pC); goto next_tail; -case OP_Prev: /* jump */ -case OP_Next: /* jump */ + +case OP_Prev: /* jump, ncycle */ assert( pOp->p1>=0 && pOp->p1nCursor ); - assert( pOp->p5aCounter) ); + assert( pOp->p5==0 + || pOp->p5==SQLITE_STMTSTATUS_FULLSCAN_STEP + || pOp->p5==SQLITE_STMTSTATUS_AUTOINDEX); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->deferredMoveto==0 ); assert( pC->eCurType==CURTYPE_BTREE ); - assert( pOp->opcode!=OP_Next || pOp->p4.xAdvance==sqlite3BtreeNext ); - assert( pOp->opcode!=OP_Prev || pOp->p4.xAdvance==sqlite3BtreePrevious ); + assert( pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE + || pC->seekOp==OP_Last || pC->seekOp==OP_IfNoHope + || pC->seekOp==OP_NullRow); + rc = sqlite3BtreePrevious(pC->uc.pCursor, pOp->p3); + goto next_tail; - /* The Next opcode is only used after SeekGT, SeekGE, Rewind, and Found. - ** The Prev opcode is only used after SeekLT, SeekLE, and Last. */ - assert( pOp->opcode!=OP_Next - || pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE +case OP_Next: /* jump, ncycle */ + assert( pOp->p1>=0 && pOp->p1nCursor ); + assert( pOp->p5==0 + || pOp->p5==SQLITE_STMTSTATUS_FULLSCAN_STEP + || pOp->p5==SQLITE_STMTSTATUS_AUTOINDEX); + pC = p->apCsr[pOp->p1]; + assert( pC!=0 ); + assert( pC->deferredMoveto==0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + assert( pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE || pC->seekOp==OP_Rewind || pC->seekOp==OP_Found || pC->seekOp==OP_NullRow|| pC->seekOp==OP_SeekRowid || pC->seekOp==OP_IfNoHope); - assert( pOp->opcode!=OP_Prev - || pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE - || pC->seekOp==OP_Last || pC->seekOp==OP_IfNoHope - || pC->seekOp==OP_NullRow); + rc = sqlite3BtreeNext(pC->uc.pCursor, pOp->p3); - rc = pOp->p4.xAdvance(pC->uc.pCursor, pOp->p3); next_tail: pC->cacheStatus = CACHE_STALE; VdbeBranchTaken(rc==SQLITE_OK,2); @@ -90955,7 +98192,7 @@ case OP_IdxInsert: { /* in2 */ assert( pC!=0 ); assert( !isSorter(pC) ); pIn2 = &aMem[pOp->p2]; - assert( pIn2->flags & MEM_Blob ); + assert( (pIn2->flags & MEM_Blob) || (pOp->p5 & OPFLAG_PREFORMAT) ); if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++; assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->isTable==0 ); @@ -90966,7 +98203,7 @@ case OP_IdxInsert: { /* in2 */ x.aMem = aMem + pOp->p3; x.nMem = (u16)pOp->p4.i; rc = sqlite3BtreeInsert(pC->uc.pCursor, &x, - (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION)), + (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION|OPFLAG_PREFORMAT)), ((pOp->p5 & OPFLAG_USESEEKRESULT) ? pC->seekResult : 0) ); assert( pC->deferredMoveto==0 ); @@ -91012,7 +98249,8 @@ case OP_SorterInsert: { /* in2 */ ** an UPDATE or DELETE statement and the index entry to be updated ** or deleted is not found. For some uses of IdxDelete ** (example: the EXCEPT operator) it does not matter that no matching -** entry is found. For those cases, P5 is zero. +** entry is found. For those cases, P5 is zero. Also, do not raise +** this (self-correcting and non-critical) error if in writable_schema mode. */ case OP_IdxDelete: { VdbeCursor *pC; @@ -91033,13 +98271,13 @@ case OP_IdxDelete: { r.nField = (u16)pOp->p3; r.default_rc = 0; r.aMem = &aMem[pOp->p2]; - rc = sqlite3BtreeMovetoUnpacked(pCrsr, &r, 0, 0, &res); + rc = sqlite3BtreeIndexMoveto(pCrsr, &r, &res); if( rc ) goto abort_due_to_error; if( res==0 ){ rc = sqlite3BtreeDelete(pCrsr, BTREE_AUXDELETE); if( rc ) goto abort_due_to_error; - }else if( pOp->p5 ){ - rc = SQLITE_CORRUPT_INDEX; + }else if( pOp->p5 && !sqlite3WritableSchema(db) ){ + rc = sqlite3ReportError(SQLITE_CORRUPT_INDEX, __LINE__, "index corruption"); goto abort_due_to_error; } assert( pC->deferredMoveto==0 ); @@ -91076,8 +98314,8 @@ case OP_IdxDelete: { ** ** See also: Rowid, MakeRecord. */ -case OP_DeferredSeek: -case OP_IdxRowid: { /* out2 */ +case OP_DeferredSeek: /* ncycle */ +case OP_IdxRowid: { /* out2, ncycle */ VdbeCursor *pC; /* The P1 index cursor */ VdbeCursor *pTabCur; /* The P2 table cursor (OP_DeferredSeek only) */ i64 rowid; /* Rowid that P1 current points to */ @@ -91085,9 +98323,9 @@ case OP_IdxRowid: { /* out2 */ assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); - assert( pC->eCurType==CURTYPE_BTREE ); + assert( pC->eCurType==CURTYPE_BTREE || IsNullCursor(pC) ); assert( pC->uc.pCursor!=0 ); - assert( pC->isTable==0 ); + assert( pC->isTable==0 || IsNullCursor(pC) ); assert( pC->deferredMoveto==0 ); assert( !pC->nullRow || pOp->opcode==OP_IdxRowid ); @@ -91095,10 +98333,10 @@ case OP_IdxRowid: { /* out2 */ ** of sqlite3VdbeCursorRestore() and sqlite3VdbeIdxRowid(). */ rc = sqlite3VdbeCursorRestore(pC); - /* sqlite3VbeCursorRestore() can only fail if the record has been deleted - ** out from under the cursor. That will never happens for an IdxRowid - ** or Seek opcode */ - if( NEVER(rc!=SQLITE_OK) ) goto abort_due_to_error; + /* sqlite3VdbeCursorRestore() may fail if the cursor has been disturbed + ** since it was last positioned and an error (e.g. OOM or an IO error) + ** occurs while trying to reposition it. */ + if( rc!=SQLITE_OK ) goto abort_due_to_error; if( !pC->nullRow ){ rowid = 0; /* Not needed. Only used to silence a warning. */ @@ -91116,8 +98354,11 @@ case OP_IdxRowid: { /* out2 */ pTabCur->nullRow = 0; pTabCur->movetoTarget = rowid; pTabCur->deferredMoveto = 1; + pTabCur->cacheStatus = CACHE_STALE; assert( pOp->p4type==P4_INTARRAY || pOp->p4.ai==0 ); - pTabCur->aAltMap = pOp->p4.ai; + assert( !pTabCur->isEphemeral ); + pTabCur->ub.aAltMap = pOp->p4.ai; + assert( !pC->isEphemeral ); pTabCur->pAltCursor = pC; }else{ pOut = out2Prerelease(p, pOp); @@ -91136,8 +98377,8 @@ case OP_IdxRowid: { /* out2 */ ** seek operation now, without further delay. If the cursor seek has ** already occurred, this instruction is a no-op. */ -case OP_FinishSeek: { - VdbeCursor *pC; /* The P1 index cursor */ +case OP_FinishSeek: { /* ncycle */ + VdbeCursor *pC; /* The P1 index cursor */ assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; @@ -91148,7 +98389,7 @@ case OP_FinishSeek: { break; } -/* Opcode: IdxGE P1 P2 P3 P4 P5 +/* Opcode: IdxGE P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** ** The P4 register values beginning with P3 form an unpacked index @@ -91159,7 +98400,7 @@ case OP_FinishSeek: { ** If the P1 index entry is greater than or equal to the key value ** then jump to P2. Otherwise fall through to the next instruction. */ -/* Opcode: IdxGT P1 P2 P3 P4 P5 +/* Opcode: IdxGT P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** ** The P4 register values beginning with P3 form an unpacked index @@ -91170,7 +98411,7 @@ case OP_FinishSeek: { ** If the P1 index entry is greater than the key value ** then jump to P2. Otherwise fall through to the next instruction. */ -/* Opcode: IdxLT P1 P2 P3 P4 P5 +/* Opcode: IdxLT P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** ** The P4 register values beginning with P3 form an unpacked index @@ -91181,7 +98422,7 @@ case OP_FinishSeek: { ** If the P1 index entry is less than the key value then jump to P2. ** Otherwise fall through to the next instruction. */ -/* Opcode: IdxLE P1 P2 P3 P4 P5 +/* Opcode: IdxLE P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** ** The P4 register values beginning with P3 form an unpacked index @@ -91192,10 +98433,10 @@ case OP_FinishSeek: { ** If the P1 index entry is less than or equal to the key value then jump ** to P2. Otherwise fall through to the next instruction. */ -case OP_IdxLE: /* jump */ -case OP_IdxGT: /* jump */ -case OP_IdxLT: /* jump */ -case OP_IdxGE: { /* jump */ +case OP_IdxLE: /* jump, ncycle */ +case OP_IdxGT: /* jump, ncycle */ +case OP_IdxLT: /* jump, ncycle */ +case OP_IdxGE: { /* jump, ncycle */ VdbeCursor *pC; int res; UnpackedRecord r; @@ -91207,7 +98448,6 @@ case OP_IdxGE: { /* jump */ assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->uc.pCursor!=0); assert( pC->deferredMoveto==0 ); - assert( pOp->p5==0 || pOp->p5==1 ); assert( pOp->p4type==P4_INT32 ); r.pKeyInfo = pC->pKeyInfo; r.nField = (u16)pOp->p4.i; @@ -91228,8 +98468,31 @@ case OP_IdxGE: { /* jump */ } } #endif - res = 0; /* Not needed. Only used to silence a warning. */ - rc = sqlite3VdbeIdxKeyCompare(db, pC, &r, &res); + + /* Inlined version of sqlite3VdbeIdxKeyCompare() */ + { + i64 nCellKey = 0; + BtCursor *pCur; + Mem m; + + assert( pC->eCurType==CURTYPE_BTREE ); + pCur = pC->uc.pCursor; + assert( sqlite3BtreeCursorIsValid(pCur) ); + nCellKey = sqlite3BtreePayloadSize(pCur); + /* nCellKey will always be between 0 and 0xffffffff because of the way + ** that btreeParseCellPtr() and sqlite3GetVarint32() are implemented */ + if( nCellKey<=0 || nCellKey>0x7fffffff ){ + rc = SQLITE_CORRUPT_BKPT; + goto abort_due_to_error; + } + sqlite3VdbeMemInit(&m, db, 0); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pCur, (u32)nCellKey, &m); + if( rc ) goto abort_due_to_error; + res = sqlite3VdbeRecordCompareWithSkip(m.n, m.z, &r, 0); + sqlite3VdbeMemReleaseMalloc(&m); + } + /* End of inlined sqlite3VdbeIdxKeyCompare() */ + assert( (OP_IdxLE&1)==(OP_IdxLT&1) && (OP_IdxGE&1)==(OP_IdxGT&1) ); if( (pOp->opcode&1)==(OP_IdxLT&1) ){ assert( pOp->opcode==OP_IdxLE || pOp->opcode==OP_IdxLT ); @@ -91239,7 +98502,7 @@ case OP_IdxGE: { /* jump */ res++; } VdbeBranchTaken(res>0,2); - if( rc ) goto abort_due_to_error; + assert( rc==SQLITE_OK ); if( res>0 ) goto jump_to_p2; break; } @@ -91250,7 +98513,7 @@ case OP_IdxGE: { /* jump */ ** file is given by P1. ** ** The table being destroyed is in the main database file if P3==0. If -** P3==1 then the table to be clear is in the auxiliary database file +** P3==1 then the table to be destroyed is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If AUTOVACUUM is enabled then it is possible that another root page @@ -91310,28 +98573,25 @@ case OP_Destroy: { /* out2 */ ** in the database file is given by P1. But, unlike Destroy, do not ** remove the table or index from the database file. ** -** The table being clear is in the main database file if P2==0. If -** P2==1 then the table to be clear is in the auxiliary database file +** The table being cleared is in the main database file if P2==0. If +** P2==1 then the table to be cleared is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** -** If the P3 value is non-zero, then the table referred to must be an -** intkey table (an SQL table, not an index). In this case the row change -** count is incremented by the number of rows in the table being cleared. -** If P3 is greater than zero, then the value stored in register P3 is -** also incremented by the number of rows in the table being cleared. +** If the P3 value is non-zero, then the row change count is incremented +** by the number of rows in the table being cleared. If P3 is greater +** than zero, then the value stored in register P3 is also incremented +** by the number of rows in the table being cleared. ** ** See also: Destroy */ case OP_Clear: { - int nChange; + i64 nChange; sqlite3VdbeIncrWriteCounter(p, 0); nChange = 0; assert( p->readOnly==0 ); assert( DbMaskTest(p->btreeMask, pOp->p2) ); - rc = sqlite3BtreeClearTable( - db->aDb[pOp->p2].pBt, (u32)pOp->p1, (pOp->p3 ? &nChange : 0) - ); + rc = sqlite3BtreeClearTable(db->aDb[pOp->p2].pBt, (u32)pOp->p1, &nChange); if( pOp->p3 ){ p->nChange += nChange; if( pOp->p3>0 ){ @@ -91437,19 +98697,21 @@ case OP_ParseSchema: { iDb = pOp->p1; assert( iDb>=0 && iDbnDb ); - assert( DbHasProperty(db, iDb, DB_SchemaLoaded) ); + assert( DbHasProperty(db, iDb, DB_SchemaLoaded) + || db->mallocFailed + || (CORRUPT_DB && (db->flags & SQLITE_NoSchemaError)!=0) ); #ifndef SQLITE_OMIT_ALTERTABLE if( pOp->p4.z==0 ){ sqlite3SchemaClear(db->aDb[iDb].pSchema); db->mDbFlags &= ~DBFLAG_SchemaKnownOk; - rc = sqlite3InitOne(db, iDb, &p->zErrMsg, INITFLAG_AlterTable); + rc = sqlite3InitOne(db, iDb, &p->zErrMsg, pOp->p5); db->mDbFlags |= DBFLAG_SchemaChange; p->expired = 0; }else #endif { - zSchema = DFLT_SCHEMA_TABLE; + zSchema = LEGACY_SCHEMA_TABLE; initData.db = db; initData.iDb = iDb; initData.pzErrMsg = &p->zErrMsg; @@ -91585,13 +98847,14 @@ case OP_IntegrityCk: { pIn1 = &aMem[pOp->p1]; assert( pOp->p5nDb ); assert( DbMaskTest(p->btreeMask, pOp->p5) ); - z = sqlite3BtreeIntegrityCheck(db, db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, - (int)pnErr->u.i+1, &nErr); + rc = sqlite3BtreeIntegrityCheck(db, db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, + (int)pnErr->u.i+1, &nErr, &z); sqlite3VdbeMemSetNull(pIn1); if( nErr==0 ){ assert( z==0 ); - }else if( z==0 ){ - goto no_mem; + }else if( rc ){ + sqlite3_free(z); + goto abort_due_to_error; }else{ pnErr->u.i -= nErr-1; sqlite3VdbeMemSetStr(pIn1, z, -1, SQLITE_UTF8, sqlite3_free); @@ -91795,9 +99058,6 @@ case OP_Program: { /* jump */ pFrame->aOp = p->aOp; pFrame->nOp = p->nOp; pFrame->token = pProgram->token; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - pFrame->anExec = p->anExec; -#endif #ifdef SQLITE_DEBUG pFrame->iFrameMagic = SQLITE_FRAME_MAGIC; #endif @@ -91834,9 +99094,6 @@ case OP_Program: { /* jump */ memset(pFrame->aOnce, 0, (pProgram->nOp + 7)/8); p->aOp = aOp = pProgram->aOp; p->nOp = pProgram->nOp; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = 0; -#endif #ifdef SQLITE_DEBUG /* Verify that second and subsequent executions of the same trigger do not ** try to reuse register values from the first use. */ @@ -91976,7 +99233,7 @@ case OP_IfPos: { /* jump, in1 */ ** Synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) ** ** This opcode performs a commonly used computation associated with -** LIMIT and OFFSET process. r[P1] holds the limit counter. r[P3] +** LIMIT and OFFSET processing. r[P1] holds the limit counter. r[P3] ** holds the offset counter. The opcode computes the combined value ** of the LIMIT and OFFSET and stores that value in r[P2]. The r[P2] ** value computed is the total number of rows that will need to be @@ -92108,6 +99365,7 @@ case OP_AggStep: { pCtx->pVdbe = p; pCtx->skipFlag = 0; pCtx->isError = 0; + pCtx->enc = encoding; pCtx->argc = n; pOp->p4type = P4_FUNCCTX; pOp->p4.pCtx = pCtx; @@ -92142,7 +99400,7 @@ case OP_AggStep1: { /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ if( pCtx->pMem != pMem ){ pCtx->pMem = pMem; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; @@ -92237,9 +99495,7 @@ case OP_AggFinal: { } sqlite3VdbeChangeEncoding(pMem, encoding); UPDATE_MAX_BLOBSIZE(pMem); - if( sqlite3VdbeMemTooBig(pMem) ){ - goto too_big; - } + REGISTER_TRACE((int)(pMem-aMem), pMem); break; } @@ -92319,6 +99575,7 @@ case OP_JournalMode: { /* out2 */ pPager = sqlite3BtreePager(pBt); eOld = sqlite3PagerGetJournalMode(pPager); if( eNew==PAGER_JOURNALMODE_QUERY ) eNew = eOld; + assert( sqlite3BtreeHoldsMutex(pBt) ); if( !sqlite3PagerOkToChangeJournalMode(pPager) ) eNew = eOld; #ifndef SQLITE_OMIT_WAL @@ -92365,7 +99622,7 @@ case OP_JournalMode: { /* out2 */ /* Open a transaction on the database file. Regardless of the journal ** mode, this transaction always uses a rollback journal. */ - assert( sqlite3BtreeIsInTrans(pBt)==0 ); + assert( sqlite3BtreeTxnState(pBt)!=SQLITE_TXN_WRITE ); if( rc==SQLITE_OK ){ rc = sqlite3BtreeSetVersion(pBt, (eNew==PAGER_JOURNALMODE_WAL ? 2 : 1)); } @@ -92594,7 +99851,7 @@ case OP_VDestroy: { ** P1 is a cursor number. This opcode opens a cursor to the virtual ** table and stores that cursor in P1. */ -case OP_VOpen: { +case OP_VOpen: { /* ncycle */ VdbeCursor *pCur; sqlite3_vtab_cursor *pVCur; sqlite3_vtab *pVtab; @@ -92617,7 +99874,7 @@ case OP_VOpen: { pVCur->pVtab = pVtab; /* Initialize vdbe cursor object */ - pCur = allocateCursor(p, pOp->p1, 0, -1, CURTYPE_VTAB); + pCur = allocateCursor(p, pOp->p1, 0, CURTYPE_VTAB); if( pCur ){ pCur->uc.pVCur = pVCur; pVtab->nRef++; @@ -92630,6 +99887,34 @@ case OP_VOpen: { } #endif /* SQLITE_OMIT_VIRTUALTABLE */ +#ifndef SQLITE_OMIT_VIRTUALTABLE +/* Opcode: VInitIn P1 P2 P3 * * +** Synopsis: r[P2]=ValueList(P1,P3) +** +** Set register P2 to be a pointer to a ValueList object for cursor P1 +** with cache register P3 and output register P3+1. This ValueList object +** can be used as the first argument to sqlite3_vtab_in_first() and +** sqlite3_vtab_in_next() to extract all of the values stored in the P1 +** cursor. Register P3 is used to hold the values returned by +** sqlite3_vtab_in_first() and sqlite3_vtab_in_next(). +*/ +case OP_VInitIn: { /* out2, ncycle */ + VdbeCursor *pC; /* The cursor containing the RHS values */ + ValueList *pRhs; /* New ValueList object to put in reg[P2] */ + + pC = p->apCsr[pOp->p1]; + pRhs = sqlite3_malloc64( sizeof(*pRhs) ); + if( pRhs==0 ) goto no_mem; + pRhs->pCsr = pC->uc.pCursor; + pRhs->pOut = &aMem[pOp->p3]; + pOut = out2Prerelease(p, pOp); + pOut->flags = MEM_Null; + sqlite3VdbeMemSetPointer(pOut, pRhs, "ValueList", sqlite3VdbeValueListFree); + break; +} +#endif /* SQLITE_OMIT_VIRTUALTABLE */ + + #ifndef SQLITE_OMIT_VIRTUALTABLE /* Opcode: VFilter P1 P2 P3 P4 * ** Synopsis: iplan=r[P3] zplan='P4' @@ -92650,7 +99935,7 @@ case OP_VOpen: { ** ** A jump is made to P2 if the result set after filtering would be empty. */ -case OP_VFilter: { /* jump */ +case OP_VFilter: { /* jump, ncycle */ int nArg; int iQuery; const sqlite3_module *pModule; @@ -92668,6 +99953,7 @@ case OP_VFilter: { /* jump */ pCur = p->apCsr[pOp->p1]; assert( memIsValid(pQuery) ); REGISTER_TRACE(pOp->p3, pQuery); + assert( pCur!=0 ); assert( pCur->eCurType==CURTYPE_VTAB ); pVCur = pCur->uc.pVCur; pVtab = pVCur->pVtab; @@ -92679,7 +99965,6 @@ case OP_VFilter: { /* jump */ iQuery = (int)pQuery->u.i; /* Invoke the xFilter method */ - res = 0; apArg = p->apArg; for(i = 0; iapCsr[pOp->p1]; - assert( pCur->eCurType==CURTYPE_VTAB ); + assert( pCur!=0 ); assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pDest = &aMem[pOp->p3]; memAboutToChange(p, pDest); @@ -92725,11 +100010,13 @@ case OP_VColumn: { sqlite3VdbeMemSetNull(pDest); break; } + assert( pCur->eCurType==CURTYPE_VTAB ); pVtab = pCur->uc.pVCur->pVtab; pModule = pVtab->pModule; assert( pModule->xColumn ); memset(&sContext, 0, sizeof(sContext)); sContext.pOut = pDest; + sContext.enc = encoding; assert( pOp->p5==OPFLAG_NOCHNG || pOp->p5==0 ); if( pOp->p5 & OPFLAG_NOCHNG ){ sqlite3VdbeMemSetNull(pDest); @@ -92748,9 +100035,6 @@ case OP_VColumn: { REGISTER_TRACE(pOp->p3, pDest); UPDATE_MAX_BLOBSIZE(pDest); - if( sqlite3VdbeMemTooBig(pDest) ){ - goto too_big; - } if( rc ) goto abort_due_to_error; break; } @@ -92763,14 +100047,14 @@ case OP_VColumn: { ** jump to instruction P2. Or, if the virtual table has reached ** the end of its result set, then fall through to the next instruction. */ -case OP_VNext: { /* jump */ +case OP_VNext: { /* jump, ncycle */ sqlite3_vtab *pVtab; const sqlite3_module *pModule; int res; VdbeCursor *pCur; - res = 0; pCur = p->apCsr[pOp->p1]; + assert( pCur!=0 ); assert( pCur->eCurType==CURTYPE_VTAB ); if( pCur->nullRow ){ break; @@ -92866,7 +100150,7 @@ case OP_VUpdate: { const sqlite3_module *pModule; int nArg; int i; - sqlite_int64 rowid; + sqlite_int64 rowid = 0; Mem **apArg; Mem *pX; @@ -92994,7 +100278,7 @@ case OP_MaxPgcnt: { /* out2 */ ** This opcode works exactly like OP_Function. The only difference is in ** its name. This opcode is used in places where the function must be ** purely non-deterministic. Some built-in date/time functions can be -** either determinitic of non-deterministic, depending on their arguments. +** either deterministic of non-deterministic, depending on their arguments. ** When those function are used in a non-deterministic way, they will check ** to see if they were called using OP_PureFunc instead of OP_Function, and ** if they were, they throw an error. @@ -93012,11 +100296,12 @@ case OP_Function: { /* group */ /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ pCtx->pVdbe = p; pCtx->pOut = pOut; + pCtx->enc = encoding; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; } assert( pCtx->pVdbe==p ); @@ -93043,17 +100328,98 @@ case OP_Function: { /* group */ if( rc ) goto abort_due_to_error; } - /* Copy the result of the function into register P3 */ - if( pOut->flags & (MEM_Str|MEM_Blob) ){ - sqlite3VdbeChangeEncoding(pOut, encoding); - if( sqlite3VdbeMemTooBig(pOut) ) goto too_big; - } + assert( (pOut->flags&MEM_Str)==0 + || pOut->enc==encoding + || db->mallocFailed ); + assert( !sqlite3VdbeMemTooBig(pOut) ); REGISTER_TRACE(pOp->p3, pOut); UPDATE_MAX_BLOBSIZE(pOut); break; } +/* Opcode: ClrSubtype P1 * * * * +** Synopsis: r[P1].subtype = 0 +** +** Clear the subtype from register P1. +*/ +case OP_ClrSubtype: { /* in1 */ + pIn1 = &aMem[pOp->p1]; + pIn1->flags &= ~MEM_Subtype; + break; +} + +/* Opcode: FilterAdd P1 * P3 P4 * +** Synopsis: filter(P1) += key(P3@P4) +** +** Compute a hash on the P4 registers starting with r[P3] and +** add that hash to the bloom filter contained in r[P1]. +*/ +case OP_FilterAdd: { + u64 h; + + assert( pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor) ); + pIn1 = &aMem[pOp->p1]; + assert( pIn1->flags & MEM_Blob ); + assert( pIn1->n>0 ); + h = filterHash(aMem, pOp); +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + int ii; + for(ii=pOp->p3; iip3+pOp->p4.i; ii++){ + registerTrace(ii, &aMem[ii]); + } + printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); + } +#endif + h %= (pIn1->n*8); + pIn1->z[h/8] |= 1<<(h&7); + break; +} + +/* Opcode: Filter P1 P2 P3 P4 * +** Synopsis: if key(P3@P4) not in filter(P1) goto P2 +** +** Compute a hash on the key contained in the P4 registers starting +** with r[P3]. Check to see if that hash is found in the +** bloom filter hosted by register P1. If it is not present then +** maybe jump to P2. Otherwise fall through. +** +** False negatives are harmless. It is always safe to fall through, +** even if the value is in the bloom filter. A false negative causes +** more CPU cycles to be used, but it should still yield the correct +** answer. However, an incorrect answer may well arise from a +** false positive - if the jump is taken when it should fall through. +*/ +case OP_Filter: { /* jump */ + u64 h; + + assert( pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor) ); + pIn1 = &aMem[pOp->p1]; + assert( (pIn1->flags & MEM_Blob)!=0 ); + assert( pIn1->n >= 1 ); + h = filterHash(aMem, pOp); +#ifdef SQLITE_DEBUG + if( db->flags&SQLITE_VdbeTrace ){ + int ii; + for(ii=pOp->p3; iip3+pOp->p4.i; ii++){ + registerTrace(ii, &aMem[ii]); + } + printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); + } +#endif + h %= (pIn1->n*8); + if( (pIn1->z[h/8] & (1<<(h&7)))==0 ){ + VdbeBranchTaken(1, 2); + p->aCounter[SQLITE_STMTSTATUS_FILTER_HIT]++; + goto jump_to_p2; + }else{ + p->aCounter[SQLITE_STMTSTATUS_FILTER_MISS]++; + VdbeBranchTaken(0, 2); + } + break; +} + /* Opcode: Trace P1 P2 * P4 * ** ** Write P4 on the statement trace output if statement tracing is @@ -93102,7 +100468,7 @@ case OP_Init: { /* jump */ #ifndef SQLITE_OMIT_TRACE if( (db->mTrace & (SQLITE_TRACE_STMT|SQLITE_TRACE_LEGACY))!=0 - && !p->doingRerun + && p->minWriteFileFormat!=254 /* tag-20220401a */ && (zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql))!=0 ){ #ifndef SQLITE_OMIT_DEPRECATED @@ -93264,11 +100630,13 @@ default: { /* This is really OP_Noop, OP_Explain */ *****************************************************************************/ } -#ifdef VDBE_PROFILE - { - u64 endTime = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); - if( endTime>start ) pOrigOp->cycles += endTime - start; - pOrigOp->cnt++; +#if defined(VDBE_PROFILE) + *pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); + pnCycle = 0; +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + if( pnCycle ){ + *pnCycle += sqlite3Hwtime(); + pnCycle = 0; } #endif @@ -93292,7 +100660,7 @@ default: { /* This is really OP_Noop, OP_Explain */ } if( opProperty==0xff ){ /* Never happens. This code exists to avoid a harmless linkage - ** warning aboud sqlite3VdbeRegisterDump() being defined but not + ** warning about sqlite3VdbeRegisterDump() being defined but not ** used. */ sqlite3VdbeRegisterDump(p); } @@ -93305,8 +100673,24 @@ default: { /* This is really OP_Noop, OP_Explain */ ** an error of some kind. */ abort_due_to_error: - if( db->mallocFailed ) rc = SQLITE_NOMEM_BKPT; + if( db->mallocFailed ){ + rc = SQLITE_NOMEM_BKPT; + }else if( rc==SQLITE_IOERR_CORRUPTFS ){ + rc = SQLITE_CORRUPT_BKPT; + } assert( rc ); +#ifdef SQLITE_DEBUG + if( db->flags & SQLITE_VdbeTrace ){ + const char *zTrace = p->zSql; + if( zTrace==0 ){ + if( aOp[0].opcode==OP_Trace ){ + zTrace = aOp[0].p4.z; + } + if( zTrace==0 ) zTrace = "???"; + } + printf("ABORT-due-to-error (rc=%d): %s\n", rc, zTrace); + } +#endif if( p->zErrMsg==0 && rc!=SQLITE_IOERR_NOMEM ){ sqlite3VdbeError(p, "%s", sqlite3ErrStr(rc)); } @@ -93315,8 +100699,11 @@ default: { /* This is really OP_Noop, OP_Explain */ testcase( sqlite3GlobalConfig.xLog!=0 ); sqlite3_log(rc, "statement aborts at %d: [%s] %s", (int)(pOp - aOp), p->zSql, p->zErrMsg); - sqlite3VdbeHalt(p); + if( p->eVdbeState==VDBE_RUN_STATE ) sqlite3VdbeHalt(p); if( rc==SQLITE_IOERR_NOMEM ) sqlite3OomFault(db); + if( rc==SQLITE_CORRUPT && db->autoCommit==0 ){ + db->flags |= SQLITE_CorruptRdOnly; + } rc = SQLITE_ERROR; if( resetSchemaOnFault>0 ){ sqlite3ResetOneSchema(db, resetSchemaOnFault-1); @@ -93326,6 +100713,18 @@ default: { /* This is really OP_Noop, OP_Explain */ ** release the mutexes on btrees that were acquired at the ** top. */ vdbe_return: +#if defined(VDBE_PROFILE) + if( pnCycle ){ + *pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); + pnCycle = 0; + } +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + if( pnCycle ){ + *pnCycle += sqlite3Hwtime(); + pnCycle = 0; + } +#endif + #ifndef SQLITE_OMIT_PROGRESS_CALLBACK while( nVmStep>=nProgressLimit && db->xProgress!=0 ){ nProgressLimit += db->nProgressOps; @@ -93337,7 +100736,9 @@ default: { /* This is really OP_Noop, OP_Explain */ } #endif p->aCounter[SQLITE_STMTSTATUS_VM_STEP] += (int)nVmStep; - sqlite3VdbeLeave(p); + if( DbMaskNonZero(p->lockMask) ){ + sqlite3VdbeLeave(p); + } assert( rc!=SQLITE_OK || nExtraDelete==0 || sqlite3_strlike("DELETE%",p->zSql,0)!=0 ); @@ -93448,7 +100849,10 @@ static int blobSeekToRow(Incrblob *p, sqlite3_int64 iRow, char **pzErr){ } if( rc==SQLITE_ROW ){ VdbeCursor *pC = v->apCsr[0]; - u32 type = pC->nHdrParsed>p->iCol ? pC->aType[p->iCol] : 0; + u32 type; + assert( pC!=0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + type = pC->nHdrParsed>p->iCol ? pC->aType[p->iCol] : 0; testcase( pC->nHdrParsed==p->iCol ); testcase( pC->nHdrParsed==p->iCol+1 ); if( type<12 ){ @@ -93522,10 +100926,9 @@ SQLITE_API int sqlite3_blob_open( sqlite3_mutex_enter(db->mutex); pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob)); - do { - memset(&sParse, 0, sizeof(Parse)); + while(1){ + sqlite3ParseObjectInit(&sParse,db); if( !pBlob ) goto blob_open_out; - sParse.db = db; sqlite3DbFree(db, zErr); zErr = 0; @@ -93540,7 +100943,7 @@ SQLITE_API int sqlite3_blob_open( sqlite3ErrorMsg(&sParse, "cannot open table without rowid: %s", zTable); } #ifndef SQLITE_OMIT_VIEW - if( pTab && pTab->pSelect ){ + if( pTab && IsView(pTab) ){ pTab = 0; sqlite3ErrorMsg(&sParse, "cannot open view: %s", zTable); } @@ -93560,7 +100963,7 @@ SQLITE_API int sqlite3_blob_open( /* Now search pTab for the exact column. */ for(iCol=0; iColnCol; iCol++) { - if( sqlite3StrICmp(pTab->aCol[iCol].zName, zColumn)==0 ){ + if( sqlite3StrICmp(pTab->aCol[iCol].zCnName, zColumn)==0 ){ break; } } @@ -93585,7 +100988,8 @@ SQLITE_API int sqlite3_blob_open( ** key columns must be indexed. The check below will pick up this ** case. */ FKey *pFKey; - for(pFKey=pTab->pFKey; pFKey; pFKey=pFKey->pNextFrom){ + assert( IsOrdinaryTable(pTab) ); + for(pFKey=pTab->u.tab.pFKey; pFKey; pFKey=pFKey->pNextFrom){ int j; for(j=0; jnCol; j++){ if( pFKey->aCol[j].iFrom==iCol ){ @@ -93701,7 +101105,9 @@ SQLITE_API int sqlite3_blob_open( goto blob_open_out; } rc = blobSeekToRow(pBlob, iRow, &zErr); - } while( (++nAttempt)=SQLITE_MAX_SCHEMA_RETRY || rc!=SQLITE_SCHEMA ) break; + sqlite3ParseObjectReset(&sParse); + } blob_open_out: if( rc==SQLITE_OK && db->mallocFailed==0 ){ @@ -93710,9 +101116,9 @@ SQLITE_API int sqlite3_blob_open( if( pBlob && pBlob->pStmt ) sqlite3VdbeFinalize((Vdbe *)pBlob->pStmt); sqlite3DbFree(db, pBlob); } - sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : 0), zErr); + sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : (char*)0), zErr); sqlite3DbFree(db, zErr); - sqlite3ParserReset(&sParse); + sqlite3ParseObjectReset(&sParse); rc = sqlite3ApiExit(db, rc); sqlite3_mutex_leave(db->mutex); return rc; @@ -93792,8 +101198,10 @@ static int blobReadWrite( */ sqlite3_int64 iKey; iKey = sqlite3BtreeIntegerKey(p->pCsr); + assert( v->apCsr[0]!=0 ); + assert( v->apCsr[0]->eCurType==CURTYPE_BTREE ); sqlite3VdbePreUpdateHook( - v, v->apCsr[0], SQLITE_DELETE, p->zDb, p->pTab, iKey, -1 + v, v->apCsr[0], SQLITE_DELETE, p->zDb, p->pTab, iKey, -1, p->iCol ); } #endif @@ -93864,9 +101272,10 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ rc = SQLITE_ABORT; }else{ char *zErr; + ((Vdbe*)p->pStmt)->rc = SQLITE_OK; rc = blobSeekToRow(p, iRow, &zErr); if( rc!=SQLITE_OK ){ - sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : 0), zErr); + sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : (char*)0), zErr); sqlite3DbFree(db, zErr); } assert( rc!=SQLITE_SCHEMA ); @@ -93969,7 +101378,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** The threshold for the amount of main memory to use before flushing ** records to a PMA is roughly the same as the limit configured for the ** page-cache of the main database. Specifically, the threshold is set to -** the value returned by "PRAGMA main.page_size" multipled by +** the value returned by "PRAGMA main.page_size" multiplied by ** that returned by "PRAGMA main.cache_size", in bytes. ** ** If the sorter is running in single-threaded mode, then all PMAs generated @@ -93992,7 +101401,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** ** If there are fewer than SORTER_MAX_MERGE_COUNT PMAs in total and the ** sorter is running in single-threaded mode, then these PMAs are merged -** incrementally as keys are retreived from the sorter by the VDBE. The +** incrementally as keys are retrieved from the sorter by the VDBE. The ** MergeEngine object, described in further detail below, performs this ** merge. ** @@ -94155,7 +101564,7 @@ struct MergeEngine { ** ** Essentially, this structure contains all those fields of the VdbeSorter ** structure for which each thread requires a separate instance. For example, -** each thread requries its own UnpackedRecord object to unpack records in +** each thread requeries its own UnpackedRecord object to unpack records in ** as part of comparison operations. ** ** Before a background thread is launched, variable bDone is set to 0. Then, @@ -94227,7 +101636,7 @@ struct VdbeSorter { ** PMA, in sorted order. The next key to be read is cached in nKey/aKey. ** aKey might point into aMap or into aBuffer. If neither of those locations ** contain a contiguous representation of the key, then aAlloc is allocated -** and the key is copied into aAlloc and aKey is made to poitn to aAlloc. +** and the key is copied into aAlloc and aKey is made to point to aAlloc. ** ** pFd==0 at EOF. */ @@ -94844,7 +102253,8 @@ SQLITE_PRIVATE int sqlite3VdbeSorterInit( } #endif - assert( pCsr->pKeyInfo && pCsr->pBtx==0 ); + assert( pCsr->pKeyInfo ); + assert( !pCsr->isEphemeral ); assert( pCsr->eCurType==CURTYPE_SORTER ); szKeyInfo = sizeof(KeyInfo) + (pCsr->pKeyInfo->nKeyField-1)*sizeof(CollSeq*); sz = sizeof(VdbeSorter) + nWorker * sizeof(SortSubtask); @@ -94854,13 +102264,16 @@ SQLITE_PRIVATE int sqlite3VdbeSorterInit( if( pSorter==0 ){ rc = SQLITE_NOMEM_BKPT; }else{ + Btree *pBt = db->aDb[0].pBt; pSorter->pKeyInfo = pKeyInfo = (KeyInfo*)((u8*)pSorter + sz); memcpy(pKeyInfo, pCsr->pKeyInfo, szKeyInfo); pKeyInfo->db = 0; if( nField && nWorker==0 ){ pKeyInfo->nKeyField = nField; } - pSorter->pgsz = pgsz = sqlite3BtreeGetPageSize(db->aDb[0].pBt); + sqlite3BtreeEnter(pBt); + pSorter->pgsz = pgsz = sqlite3BtreeGetPageSize(pBt); + sqlite3BtreeLeave(pBt); pSorter->nTask = nWorker + 1; pSorter->iPrev = (u8)(nWorker - 1); pSorter->bUseThreads = (pSorter->nTask>1); @@ -94954,8 +102367,9 @@ static void vdbeSorterWorkDebug(SortSubtask *pTask, const char *zEvent){ fprintf(stderr, "%lld:%d %s\n", t, iTask, zEvent); } static void vdbeSorterRewindDebug(const char *zEvent){ - i64 t; - sqlite3OsCurrentTimeInt64(sqlite3_vfs_find(0), &t); + i64 t = 0; + sqlite3_vfs *pVfs = sqlite3_vfs_find(0); + if( ALWAYS(pVfs) ) sqlite3OsCurrentTimeInt64(pVfs, &t); fprintf(stderr, "%lld:X %s\n", t, zEvent); } static void vdbeSorterPopulateDebug( @@ -95169,7 +102583,7 @@ static void vdbeSorterExtendFile(sqlite3 *db, sqlite3_file *pFd, i64 nByte){ sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_CHUNK_SIZE, &chunksize); sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_SIZE_HINT, &nByte); sqlite3OsFetch(pFd, 0, (int)nByte, &p); - sqlite3OsUnfetch(pFd, 0, p); + if( p ) sqlite3OsUnfetch(pFd, 0, p); } } #else @@ -95593,7 +103007,7 @@ static int vdbeSorterFlushPMA(VdbeSorter *pSorter){ ** the background thread from a sub-tasks previous turn is still running, ** skip it. If the first (pSorter->nTask-1) sub-tasks are all still busy, ** fall back to using the final sub-task. The first (pSorter->nTask-1) - ** sub-tasks are prefered as they use background threads - the final + ** sub-tasks are preferred as they use background threads - the final ** sub-task uses the main thread. */ for(i=0; iiPrev + i + 1) % nWorker; @@ -95887,6 +103301,7 @@ static int vdbeIncrMergerNew( vdbeMergeEngineFree(pMerger); rc = SQLITE_NOMEM_BKPT; } + assert( *ppOut!=0 || rc!=SQLITE_OK ); return rc; } @@ -96076,7 +103491,7 @@ static int vdbePmaReaderIncrMergeInit(PmaReader *pReadr, int eMode){ rc = vdbeMergeEngineInit(pTask, pIncr->pMerger, eMode); - /* Set up the required files for pIncr. A multi-theaded IncrMerge object + /* Set up the required files for pIncr. A multi-threaded IncrMerge object ** requires two temp files to itself, whereas a single-threaded object ** only requires a region of pTask->file2. */ if( rc==SQLITE_OK ){ @@ -96716,6 +104131,8 @@ static int bytecodevtabConnect( "p5 INT," "comment TEXT," "subprog TEXT," + "nexec INT," + "ncycle INT," "stmt HIDDEN" ");", @@ -96730,6 +104147,9 @@ static int bytecodevtabConnect( ");" }; + (void)argc; + (void)argv; + (void)pzErr; rc = sqlite3_declare_vtab(db, azSchema[isTabUsed]); if( rc==SQLITE_OK ){ pNew = sqlite3_malloc( sizeof(*pNew) ); @@ -96875,7 +104295,7 @@ static int bytecodevtabColumn( } } } - i += 10; + i += 20; } } switch( i ){ @@ -96925,16 +104345,31 @@ static int bytecodevtabColumn( } break; } - case 10: /* tables_used.type */ + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + case 9: /* nexec */ + sqlite3_result_int(ctx, pOp->nExec); + break; + case 10: /* ncycle */ + sqlite3_result_int(ctx, pOp->nCycle); + break; +#else + case 9: /* nexec */ + case 10: /* ncycle */ + sqlite3_result_int(ctx, 0); + break; +#endif + + case 20: /* tables_used.type */ sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC); break; - case 11: /* tables_used.schema */ + case 21: /* tables_used.schema */ sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC); break; - case 12: /* tables_used.name */ + case 22: /* tables_used.name */ sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC); break; - case 13: /* tables_used.wr */ + case 23: /* tables_used.wr */ sqlite3_result_int(ctx, pOp->opcode==OP_OpenWrite); break; } @@ -96965,6 +104400,7 @@ static int bytecodevtabFilter( bytecodevtab_cursor *pCur = (bytecodevtab_cursor *)pVtabCursor; bytecodevtab *pVTab = (bytecodevtab *)pVtabCursor->pVtab; int rc = SQLITE_OK; + (void)idxStr; bytecodevtabCursorClear(pCur); pCur->iRowid = 0; @@ -97007,7 +104443,7 @@ static int bytecodevtabBestIndex( int rc = SQLITE_CONSTRAINT; struct sqlite3_index_constraint *p; bytecodevtab *pVTab = (bytecodevtab*)tab; - int iBaseCol = pVTab->bTablesUsed ? 4 : 8; + int iBaseCol = pVTab->bTablesUsed ? 4 : 10; pIdxInfo->estimatedCost = (double)100; pIdxInfo->estimatedRows = 100; pIdxInfo->idxNum = 0; @@ -97144,7 +104580,6 @@ struct MemJournal { int nChunkSize; /* In-memory chunk-size */ int nSpill; /* Bytes of data before flushing */ - int nSize; /* Bytes of data currently in memory */ FileChunk *pFirst; /* Head of in-memory chunk-list */ FilePoint endpoint; /* Pointer to the end of the file */ FilePoint readpoint; /* Pointer to the end of the last xRead() */ @@ -97205,14 +104640,13 @@ static int memjrnlRead( /* ** Free the list of FileChunk structures headed at MemJournal.pFirst. */ -static void memjrnlFreeChunks(MemJournal *p){ +static void memjrnlFreeChunks(FileChunk *pFirst){ FileChunk *pIter; FileChunk *pNext; - for(pIter=p->pFirst; pIter; pIter=pNext){ + for(pIter=pFirst; pIter; pIter=pNext){ pNext = pIter->pNext; sqlite3_free(pIter); } - p->pFirst = 0; } /* @@ -97239,7 +104673,7 @@ static int memjrnlCreateFile(MemJournal *p){ } if( rc==SQLITE_OK ){ /* No error has occurred. Free the in-memory buffers. */ - memjrnlFreeChunks(©); + memjrnlFreeChunks(copy.pFirst); } } if( rc!=SQLITE_OK ){ @@ -97254,6 +104688,9 @@ static int memjrnlCreateFile(MemJournal *p){ } +/* Forward reference */ +static int memjrnlTruncate(sqlite3_file *pJfd, sqlite_int64 size); + /* ** Write data to the file. */ @@ -97284,22 +104721,20 @@ static int memjrnlWrite( ** the in-memory journal is being used by a connection using the ** atomic-write optimization. In this case the first 28 bytes of the ** journal file may be written as part of committing the transaction. */ - assert( iOfst==p->endpoint.iOffset || iOfst==0 ); -#if defined(SQLITE_ENABLE_ATOMIC_WRITE) \ - || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE) + assert( iOfst<=p->endpoint.iOffset ); + if( iOfst>0 && iOfst!=p->endpoint.iOffset ){ + memjrnlTruncate(pJfd, iOfst); + } if( iOfst==0 && p->pFirst ){ assert( p->nChunkSize>iAmt ); memcpy((u8*)p->pFirst->zChunk, zBuf, iAmt); - }else -#else - assert( iOfst>0 || p->pFirst==0 ); -#endif - { + }else{ while( nWrite>0 ){ FileChunk *pChunk = p->endpoint.pChunk; int iChunkOffset = (int)(p->endpoint.iOffset%p->nChunkSize); int iSpace = MIN(nWrite, p->nChunkSize - iChunkOffset); + assert( pChunk!=0 || iChunkOffset==0 ); if( iChunkOffset==0 ){ /* New chunk is required to extend the file. */ FileChunk *pNew = sqlite3_malloc(fileChunkSize(p->nChunkSize)); @@ -97314,15 +104749,15 @@ static int memjrnlWrite( assert( !p->pFirst ); p->pFirst = pNew; } - p->endpoint.pChunk = pNew; + pChunk = p->endpoint.pChunk = pNew; } - memcpy((u8*)p->endpoint.pChunk->zChunk + iChunkOffset, zWrite, iSpace); + assert( pChunk!=0 ); + memcpy((u8*)pChunk->zChunk + iChunkOffset, zWrite, iSpace); zWrite += iSpace; nWrite -= iSpace; p->endpoint.iOffset += iSpace; } - p->nSize = iAmt + iOfst; } } @@ -97330,19 +104765,29 @@ static int memjrnlWrite( } /* -** Truncate the file. -** -** If the journal file is already on disk, truncate it there. Or, if it -** is still in main memory but is being truncated to zero bytes in size, -** ignore +** Truncate the in-memory file. */ static int memjrnlTruncate(sqlite3_file *pJfd, sqlite_int64 size){ MemJournal *p = (MemJournal *)pJfd; - if( ALWAYS(size==0) ){ - memjrnlFreeChunks(p); - p->nSize = 0; - p->endpoint.pChunk = 0; - p->endpoint.iOffset = 0; + assert( p->endpoint.pChunk==0 || p->endpoint.pChunk->pNext==0 ); + if( sizeendpoint.iOffset ){ + FileChunk *pIter = 0; + if( size==0 ){ + memjrnlFreeChunks(p->pFirst); + p->pFirst = 0; + }else{ + i64 iOff = p->nChunkSize; + for(pIter=p->pFirst; ALWAYS(pIter) && iOffpNext){ + iOff += p->nChunkSize; + } + if( ALWAYS(pIter) ){ + memjrnlFreeChunks(pIter->pNext); + pIter->pNext = 0; + } + } + + p->endpoint.pChunk = pIter; + p->endpoint.iOffset = size; p->readpoint.pChunk = 0; p->readpoint.iOffset = 0; } @@ -97354,7 +104799,7 @@ static int memjrnlTruncate(sqlite3_file *pJfd, sqlite_int64 size){ */ static int memjrnlClose(sqlite3_file *pJfd){ MemJournal *p = (MemJournal *)pJfd; - memjrnlFreeChunks(p); + memjrnlFreeChunks(p->pFirst); return SQLITE_OK; } @@ -97424,6 +104869,8 @@ SQLITE_PRIVATE int sqlite3JournalOpen( ){ MemJournal *p = (MemJournal*)pJfd; + assert( zName || nSpill<0 || (flags & SQLITE_OPEN_EXCLUSIVE) ); + /* Zero the file-handle object. If nSpill was passed zero, initialize ** it using the sqlite3OsOpen() function of the underlying VFS. In this ** case none of the code in this module is executed as a result of calls @@ -97528,7 +104975,7 @@ SQLITE_PRIVATE int sqlite3JournalSize(sqlite3_vfs *pVfs){ ** Walk all expressions linked into the list of Window objects passed ** as the second argument. */ -static int walkWindowList(Walker *pWalker, Window *pList){ +static int walkWindowList(Walker *pWalker, Window *pList, int bOneOnly){ Window *pWin; for(pWin=pList; pWin; pWin=pWin->pNextWin){ int rc; @@ -97538,15 +104985,11 @@ static int walkWindowList(Walker *pWalker, Window *pList){ if( rc ) return WRC_Abort; rc = sqlite3WalkExpr(pWalker, pWin->pFilter); if( rc ) return WRC_Abort; - - /* The next two are purely for calls to sqlite3RenameExprUnmap() - ** within sqlite3WindowOffsetExpr(). Because of constraints imposed - ** by sqlite3WindowOffsetExpr(), they can never fail. The results do - ** not matter anyhow. */ rc = sqlite3WalkExpr(pWalker, pWin->pStart); - if( NEVER(rc) ) return WRC_Abort; + if( rc ) return WRC_Abort; rc = sqlite3WalkExpr(pWalker, pWin->pEnd); - if( NEVER(rc) ) return WRC_Abort; + if( rc ) return WRC_Abort; + if( bOneOnly ) break; } return WRC_Continue; } @@ -97571,7 +105014,7 @@ static int walkWindowList(Walker *pWalker, Window *pList){ ** The return value from this routine is WRC_Abort to abandon the tree walk ** and WRC_Continue to continue. */ -static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ +SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3WalkExprNN(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); @@ -97580,12 +105023,14 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ if( rc ) return rc & WRC_Abort; if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ assert( pExpr->x.pList==0 || pExpr->pRight==0 ); - if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; + if( pExpr->pLeft && sqlite3WalkExprNN(pWalker, pExpr->pLeft) ){ + return WRC_Abort; + } if( pExpr->pRight ){ assert( !ExprHasProperty(pExpr, EP_WinFunc) ); pExpr = pExpr->pRight; continue; - }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + }else if( ExprUseXSelect(pExpr) ){ assert( !ExprHasProperty(pExpr, EP_WinFunc) ); if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort; }else{ @@ -97594,7 +105039,7 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ } #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(pExpr, EP_WinFunc) ){ - if( walkWindowList(pWalker, pExpr->y.pWin) ) return WRC_Abort; + if( walkWindowList(pWalker, pExpr->y.pWin, 1) ) return WRC_Abort; } #endif } @@ -97604,7 +105049,7 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ - return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; + return pExpr ? sqlite3WalkExprNN(pWalker,pExpr) : WRC_Continue; } /* @@ -97622,6 +105067,16 @@ SQLITE_PRIVATE int sqlite3WalkExprList(Walker *pWalker, ExprList *p){ return WRC_Continue; } +/* +** This is a no-op callback for Walker->xSelectCallback2. If this +** callback is set, then the Select->pWinDefn list is traversed. +*/ +SQLITE_PRIVATE void sqlite3WalkWinDefnDummyCallback(Walker *pWalker, Select *p){ + UNUSED_PARAMETER(pWalker); + UNUSED_PARAMETER(p); + /* No-op */ +} + /* ** Walk all expressions associated with SELECT statement p. Do ** not invoke the SELECT callback on p, but do (of course) invoke @@ -97635,13 +105090,18 @@ SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker *pWalker, Select *p){ if( sqlite3WalkExpr(pWalker, p->pHaving) ) return WRC_Abort; if( sqlite3WalkExprList(pWalker, p->pOrderBy) ) return WRC_Abort; if( sqlite3WalkExpr(pWalker, p->pLimit) ) return WRC_Abort; -#if !defined(SQLITE_OMIT_WINDOWFUNC) && !defined(SQLITE_OMIT_ALTERTABLE) - { - Parse *pParse = pWalker->pParse; - if( pParse && IN_RENAME_OBJECT ){ +#if !defined(SQLITE_OMIT_WINDOWFUNC) + if( p->pWinDefn ){ + Parse *pParse; + if( pWalker->xSelectCallback2==sqlite3WalkWinDefnDummyCallback + || ((pParse = pWalker->pParse)!=0 && IN_RENAME_OBJECT) +#ifndef SQLITE_OMIT_CTE + || pWalker->xSelectCallback2==sqlite3SelectPopWith +#endif + ){ /* The following may return WRC_Abort if there are unresolvable ** symbols (e.g. a table that does not exist) in a window definition. */ - int rc = walkWindowList(pWalker, p->pWinDefn); + int rc = walkWindowList(pWalker, p->pWinDefn, 0); return rc; } } @@ -97659,10 +105119,10 @@ SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker *pWalker, Select *p){ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ SrcList *pSrc; int i; - struct SrcList_item *pItem; + SrcItem *pItem; pSrc = p->pSrc; - if( pSrc ){ + if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; @@ -97715,7 +105175,7 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ } /* Increase the walkerDepth when entering a subquery, and -** descrease when leaving the subquery. +** decrease when leaving the subquery. */ SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){ UNUSED_PARAMETER(pSelect); @@ -97825,7 +105285,6 @@ static void resolveAlias( ExprList *pEList, /* A result set */ int iCol, /* A column in the result set. 0..pEList->nExpr-1 */ Expr *pExpr, /* Transform this into an alias to the result set */ - const char *zType, /* "GROUP" or "ORDER" or "" */ int nSubquery /* Number of subqueries that the label is moving */ ){ Expr *pOrig; /* The iCol-th column of the result set */ @@ -97837,54 +105296,26 @@ static void resolveAlias( assert( pOrig!=0 ); db = pParse->db; pDup = sqlite3ExprDup(db, pOrig, 0); - if( pDup!=0 ){ - if( zType[0]!='G' ) incrAggFunctionDepth(pDup, nSubquery); + if( db->mallocFailed ){ + sqlite3ExprDelete(db, pDup); + pDup = 0; + }else{ + Expr temp; + incrAggFunctionDepth(pDup, nSubquery); if( pExpr->op==TK_COLLATE ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken); } - - /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This - ** prevents ExprDelete() from deleting the Expr structure itself, - ** allowing it to be repopulated by the memcpy() on the following line. - ** The pExpr->u.zToken might point into memory that will be freed by the - ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to - ** make a copy of the token before doing the sqlite3DbFree(). - */ - ExprSetProperty(pExpr, EP_Static); - sqlite3ExprDelete(db, pExpr); - memcpy(pExpr, pDup, sizeof(*pExpr)); - if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){ - assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 ); - pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken); - pExpr->flags |= EP_MemToken; - } + memcpy(&temp, pDup, sizeof(Expr)); + memcpy(pDup, pExpr, sizeof(Expr)); + memcpy(pExpr, &temp, sizeof(Expr)); if( ExprHasProperty(pExpr, EP_WinFunc) ){ - if( pExpr->y.pWin!=0 ){ + if( ALWAYS(pExpr->y.pWin!=0) ){ pExpr->y.pWin->pOwner = pExpr; - }else{ - assert( db->mallocFailed ); } } - sqlite3DbFree(db, pDup); - } - ExprSetProperty(pExpr, EP_Alias); -} - - -/* -** Return TRUE if the name zCol occurs anywhere in the USING clause. -** -** Return FALSE if the USING clause is NULL or if it does not contain -** zCol. -*/ -static int nameInUsingClause(IdList *pUsing, const char *zCol){ - if( pUsing ){ - int k; - for(k=0; knId; k++){ - if( sqlite3StrICmp(pUsing->a[k].zName, zCol)==0 ) return 1; - } + sqlite3ExprDeferredDelete(pParse, pDup); } - return 0; } /* @@ -97902,7 +105333,7 @@ SQLITE_PRIVATE int sqlite3MatchEName( ){ int n; const char *zSpan; - if( pItem->eEName!=ENAME_TAB ) return 0; + if( pItem->fg.eEName!=ENAME_TAB ) return 0; zSpan = pItem->zEName; for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){} if( zDb && (sqlite3StrNICmp(zSpan, zDb, n)!=0 || zDb[n]!=0) ){ @@ -97946,6 +105377,7 @@ SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr *pExpr){ Table *pExTab; n = pExpr->iColumn; + assert( ExprUseYTab(pExpr) ); pExTab = pExpr->y.pTab; assert( pExTab!=0 ); if( (pExTab->tabFlags & TF_HasGenerated)!=0 @@ -97962,6 +105394,55 @@ SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr *pExpr){ } } +/* +** Create a new expression term for the column specified by pMatch and +** iColumn. Append this new expression term to the FULL JOIN Match set +** in *ppList. Create a new *ppList if this is the first term in the +** set. +*/ +static void extendFJMatch( + Parse *pParse, /* Parsing context */ + ExprList **ppList, /* ExprList to extend */ + SrcItem *pMatch, /* Source table containing the column */ + i16 iColumn /* The column number */ +){ + Expr *pNew = sqlite3ExprAlloc(pParse->db, TK_COLUMN, 0, 0); + if( pNew ){ + pNew->iTable = pMatch->iCursor; + pNew->iColumn = iColumn; + pNew->y.pTab = pMatch->pTab; + assert( (pMatch->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 ); + ExprSetProperty(pNew, EP_CanBeNull); + *ppList = sqlite3ExprListAppend(pParse, *ppList, pNew); + } +} + +/* +** Return TRUE (non-zero) if zTab is a valid name for the schema table pTab. +*/ +static SQLITE_NOINLINE int isValidSchemaTableName( + const char *zTab, /* Name as it appears in the SQL */ + Table *pTab, /* The schema table we are trying to match */ + Schema *pSchema /* non-NULL if a database qualifier is present */ +){ + const char *zLegacy; + assert( pTab!=0 ); + assert( pTab->tnum==1 ); + if( sqlite3StrNICmp(zTab, "sqlite_", 7)!=0 ) return 0; + zLegacy = pTab->zName; + if( strcmp(zLegacy+7, &LEGACY_TEMP_SCHEMA_TABLE[7])==0 ){ + if( sqlite3StrICmp(zTab+7, &PREFERRED_TEMP_SCHEMA_TABLE[7])==0 ){ + return 1; + } + if( pSchema==0 ) return 0; + if( sqlite3StrICmp(zTab+7, &LEGACY_SCHEMA_TABLE[7])==0 ) return 1; + if( sqlite3StrICmp(zTab+7, &PREFERRED_SCHEMA_TABLE[7])==0 ) return 1; + }else{ + if( sqlite3StrICmp(zTab+7, &PREFERRED_SCHEMA_TABLE[7])==0 ) return 1; + } + return 0; +} + /* ** Given the name of a column of the form X.Y.Z or Y.Z or just Z, look up ** that name in the set of source tables in pSrcList and make the pExpr @@ -98002,16 +105483,18 @@ static int lookupName( int cntTab = 0; /* Number of matching table names */ int nSubquery = 0; /* How many levels of subquery */ sqlite3 *db = pParse->db; /* The database connection */ - struct SrcList_item *pItem; /* Use for looping over pSrcList items */ - struct SrcList_item *pMatch = 0; /* The matching pSrcList item */ + SrcItem *pItem; /* Use for looping over pSrcList items */ + SrcItem *pMatch = 0; /* The matching pSrcList item */ NameContext *pTopNC = pNC; /* First namecontext in the list */ Schema *pSchema = 0; /* Schema of the expression */ int eNewExprOp = TK_COLUMN; /* New value for pExpr->op on success */ - Table *pTab = 0; /* Table hold the row */ + Table *pTab = 0; /* Table holding the row */ Column *pCol; /* A column of pTab */ + ExprList *pFJMatch = 0; /* Matches for FULL JOIN .. USING */ assert( pNC ); /* the name context cannot be NULL. */ assert( zCol ); /* The Z in X.Y.Z cannot be NULL */ + assert( zDb==0 || zTab!=0 ); assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); /* Initialize the node to no-match */ @@ -98059,62 +105542,126 @@ static int lookupName( u8 hCol; pTab = pItem->pTab; assert( pTab!=0 && pTab->zName!=0 ); - assert( pTab->nCol>0 ); - if( pItem->pSelect && (pItem->pSelect->selFlags & SF_NestedFrom)!=0 ){ + assert( pTab->nCol>0 || pParse->nErr ); + assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) ); + if( pItem->fg.isNestedFrom ){ + /* In this case, pItem is a subquery that has been formed from a + ** parenthesized subset of the FROM clause terms. Example: + ** .... FROM t1 LEFT JOIN (t2 RIGHT JOIN t3 USING(x)) USING(y) ... + ** \_________________________/ + ** This pItem -------------^ + */ int hit = 0; + assert( pItem->pSelect!=0 ); pEList = pItem->pSelect->pEList; + assert( pEList!=0 ); + assert( pEList->nExpr==pTab->nCol ); for(j=0; jnExpr; j++){ - if( sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb) ){ - cnt++; - cntTab = 2; - pMatch = pItem; - pExpr->iColumn = j; - hit = 1; + if( !sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb) ){ + continue; + } + if( cnt>0 ){ + if( pItem->fg.isUsing==0 + || sqlite3IdListIndex(pItem->u3.pUsing, zCol)<0 + ){ + /* Two or more tables have the same column name which is + ** not joined by USING. This is an error. Signal as much + ** by clearing pFJMatch and letting cnt go above 1. */ + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else + if( (pItem->fg.jointype & JT_RIGHT)==0 ){ + /* An INNER or LEFT JOIN. Use the left-most table */ + continue; + }else + if( (pItem->fg.jointype & JT_LEFT)==0 ){ + /* A RIGHT JOIN. Use the right-most table */ + cnt = 0; + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else{ + /* For a FULL JOIN, we must construct a coalesce() func */ + extendFJMatch(pParse, &pFJMatch, pMatch, pExpr->iColumn); + } } + cnt++; + cntTab = 2; + pMatch = pItem; + pExpr->iColumn = j; + pEList->a[j].fg.bUsed = 1; + hit = 1; + if( pEList->a[j].fg.bUsingTerm ) break; } if( hit || zTab==0 ) continue; } - if( zDb && pTab->pSchema!=pSchema ){ - continue; - } + assert( zDb==0 || zTab!=0 ); if( zTab ){ - const char *zTabName = pItem->zAlias ? pItem->zAlias : pTab->zName; - assert( zTabName!=0 ); - if( sqlite3StrICmp(zTabName, zTab)!=0 ){ - continue; + if( zDb ){ + if( pTab->pSchema!=pSchema ) continue; + if( pSchema==0 && strcmp(zDb,"*")!=0 ) continue; + } + if( pItem->zAlias!=0 ){ + if( sqlite3StrICmp(zTab, pItem->zAlias)!=0 ){ + continue; + } + }else if( sqlite3StrICmp(zTab, pTab->zName)!=0 ){ + if( pTab->tnum!=1 ) continue; + if( !isValidSchemaTableName(zTab, pTab, pSchema) ) continue; } + assert( ExprUseYTab(pExpr) ); if( IN_RENAME_OBJECT && pItem->zAlias ){ sqlite3RenameTokenRemap(pParse, 0, (void*)&pExpr->y.pTab); } } - if( 0==(cntTab++) ){ - pMatch = pItem; - } hCol = sqlite3StrIHash(zCol); for(j=0, pCol=pTab->aCol; jnCol; j++, pCol++){ - if( pCol->hName==hCol && sqlite3StrICmp(pCol->zName, zCol)==0 ){ - /* If there has been exactly one prior match and this match - ** is for the right-hand table of a NATURAL JOIN or is in a - ** USING clause, then skip this match. - */ - if( cnt==1 ){ - if( pItem->fg.jointype & JT_NATURAL ) continue; - if( nameInUsingClause(pItem->pUsing, zCol) ) continue; + if( pCol->hName==hCol + && sqlite3StrICmp(pCol->zCnName, zCol)==0 + ){ + if( cnt>0 ){ + if( pItem->fg.isUsing==0 + || sqlite3IdListIndex(pItem->u3.pUsing, zCol)<0 + ){ + /* Two or more tables have the same column name which is + ** not joined by USING. This is an error. Signal as much + ** by clearing pFJMatch and letting cnt go above 1. */ + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else + if( (pItem->fg.jointype & JT_RIGHT)==0 ){ + /* An INNER or LEFT JOIN. Use the left-most table */ + continue; + }else + if( (pItem->fg.jointype & JT_LEFT)==0 ){ + /* A RIGHT JOIN. Use the right-most table */ + cnt = 0; + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else{ + /* For a FULL JOIN, we must construct a coalesce() func */ + extendFJMatch(pParse, &pFJMatch, pMatch, pExpr->iColumn); + } } cnt++; pMatch = pItem; /* Substitute the rowid (column -1) for the INTEGER PRIMARY KEY */ pExpr->iColumn = j==pTab->iPKey ? -1 : (i16)j; + if( pItem->fg.isNestedFrom ){ + sqlite3SrcItemColumnUsed(pItem, j); + } break; } } + if( 0==cnt && VisibleRowid(pTab) ){ + cntTab++; + pMatch = pItem; + } } if( pMatch ){ pExpr->iTable = pMatch->iCursor; + assert( ExprUseYTab(pExpr) ); pExpr->y.pTab = pMatch->pTab; - /* RIGHT JOIN not (yet) supported */ - assert( (pMatch->fg.jointype & JT_RIGHT)==0 ); - if( (pMatch->fg.jointype & JT_LEFT)!=0 ){ + if( (pMatch->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 ){ ExprSetProperty(pExpr, EP_CanBeNull); } pSchema = pExpr->y.pTab->pSchema; @@ -98124,25 +105671,34 @@ static int lookupName( #if !defined(SQLITE_OMIT_TRIGGER) || !defined(SQLITE_OMIT_UPSERT) /* If we have not already resolved the name, then maybe ** it is a new.* or old.* trigger argument reference. Or - ** maybe it is an excluded.* from an upsert. + ** maybe it is an excluded.* from an upsert. Or maybe it is + ** a reference in the RETURNING clause to a table being modified. */ - if( zDb==0 && zTab!=0 && cntTab==0 ){ + if( cnt==0 && zDb==0 ){ pTab = 0; #ifndef SQLITE_OMIT_TRIGGER if( pParse->pTriggerTab!=0 ){ int op = pParse->eTriggerOp; assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT ); - if( op!=TK_DELETE && sqlite3StrICmp("new",zTab) == 0 ){ + if( pParse->bReturning ){ + if( (pNC->ncFlags & NC_UBaseReg)!=0 + && ALWAYS(zTab==0 + || sqlite3StrICmp(zTab,pParse->pTriggerTab->zName)==0) + ){ + pExpr->iTable = op!=TK_DELETE; + pTab = pParse->pTriggerTab; + } + }else if( op!=TK_DELETE && zTab && sqlite3StrICmp("new",zTab) == 0 ){ pExpr->iTable = 1; pTab = pParse->pTriggerTab; - }else if( op!=TK_INSERT && sqlite3StrICmp("old",zTab)==0 ){ + }else if( op!=TK_INSERT && zTab && sqlite3StrICmp("old",zTab)==0 ){ pExpr->iTable = 0; pTab = pParse->pTriggerTab; } } #endif /* SQLITE_OMIT_TRIGGER */ #ifndef SQLITE_OMIT_UPSERT - if( (pNC->ncFlags & NC_UUpsert)!=0 ){ + if( (pNC->ncFlags & NC_UUpsert)!=0 && zTab!=0 ){ Upsert *pUpsert = pNC->uNC.pUpsert; if( pUpsert && sqlite3StrICmp("excluded",zTab)==0 ){ pTab = pUpsert->pUpsertSrc->a[0].pTab; @@ -98157,7 +105713,9 @@ static int lookupName( pSchema = pTab->pSchema; cntTab++; for(iCol=0, pCol=pTab->aCol; iColnCol; iCol++, pCol++){ - if( pCol->hName==hCol && sqlite3StrICmp(pCol->zName, zCol)==0 ){ + if( pCol->hName==hCol + && sqlite3StrICmp(pCol->zCnName, zCol)==0 + ){ if( iCol==pTab->iPKey ){ iCol = -1; } @@ -98170,9 +105728,11 @@ static int lookupName( } if( iColnCol ){ cnt++; + pMatch = 0; #ifndef SQLITE_OMIT_UPSERT if( pExpr->iTable==EXCLUDED_TABLE_NUMBER ){ testcase( iCol==(-1) ); + assert( ExprUseYTab(pExpr) ); if( IN_RENAME_OBJECT ){ pExpr->iColumn = iCol; pExpr->y.pTab = pTab; @@ -98181,27 +105741,35 @@ static int lookupName( pExpr->iTable = pNC->uNC.pUpsert->regData + sqlite3TableColumnToStorage(pTab, iCol); eNewExprOp = TK_REGISTER; - ExprSetProperty(pExpr, EP_Alias); } }else #endif /* SQLITE_OMIT_UPSERT */ { -#ifndef SQLITE_OMIT_TRIGGER - if( iCol<0 ){ - pExpr->affExpr = SQLITE_AFF_INTEGER; - }else if( pExpr->iTable==0 ){ - testcase( iCol==31 ); - testcase( iCol==32 ); - pParse->oldmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<newmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<y.pTab = pTab; - pExpr->iColumn = (i16)iCol; - eNewExprOp = TK_TRIGGER; + if( pParse->bReturning ){ + eNewExprOp = TK_REGISTER; + pExpr->op2 = TK_COLUMN; + pExpr->iColumn = iCol; + pExpr->iTable = pNC->uNC.iBaseReg + (pTab->nCol+1)*pExpr->iTable + + sqlite3TableColumnToStorage(pTab, iCol) + 1; + }else{ + pExpr->iColumn = (i16)iCol; + eNewExprOp = TK_TRIGGER; +#ifndef SQLITE_OMIT_TRIGGER + if( iCol<0 ){ + pExpr->affExpr = SQLITE_AFF_INTEGER; + }else if( pExpr->iTable==0 ){ + testcase( iCol==31 ); + testcase( iCol==32 ); + pParse->oldmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<newmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<ncFlags & (NC_IdxExpr|NC_GenCol))==0 && sqlite3IsRowid(zCol) - && VisibleRowid(pMatch->pTab) + && ALWAYS(VisibleRowid(pMatch->pTab)) ){ cnt = 1; pExpr->iColumn = -1; @@ -98241,21 +105809,21 @@ static int lookupName( ** is supported for backwards compatibility only. Hence, we issue a warning ** on sqlite3_log() whenever the capability is used. */ - if( (pNC->ncFlags & NC_UEList)!=0 - && cnt==0 + if( cnt==0 + && (pNC->ncFlags & NC_UEList)!=0 && zTab==0 ){ pEList = pNC->uNC.pEList; assert( pEList!=0 ); for(j=0; jnExpr; j++){ char *zAs = pEList->a[j].zEName; - if( pEList->a[j].eEName==ENAME_NAME + if( pEList->a[j].fg.eEName==ENAME_NAME && sqlite3_stricmp(zAs, zCol)==0 ){ Expr *pOrig; assert( pExpr->pLeft==0 && pExpr->pRight==0 ); - assert( pExpr->x.pList==0 ); - assert( pExpr->x.pSelect==0 ); + assert( ExprUseXList(pExpr)==0 || pExpr->x.pList==0 ); + assert( ExprUseXSelect(pExpr)==0 || pExpr->x.pSelect==0 ); pOrig = pEList->a[j].pExpr; if( (pNC->ncFlags&NC_AllowAgg)==0 && ExprHasProperty(pOrig, EP_Agg) ){ sqlite3ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs); @@ -98271,7 +105839,7 @@ static int lookupName( sqlite3ErrorMsg(pParse, "row value misused"); return WRC_Abort; } - resolveAlias(pParse, pEList, j, pExpr, "", nSubquery); + resolveAlias(pParse, pEList, j, pExpr, nSubquery); cnt = 1; pMatch = 0; assert( zTab==0 && zDb==0 ); @@ -98327,7 +105895,7 @@ static int lookupName( sqlite3VdbeAddDblquoteStr(db, pParse->pVdbe, zCol); #endif pExpr->op = TK_STRING; - pExpr->y.pTab = 0; + memset(&pExpr->y, 0, sizeof(pExpr->y)); return WRC_Prune; } if( sqlite3ExprIdToTrueFalse(pExpr) ){ @@ -98336,11 +105904,37 @@ static int lookupName( } /* - ** cnt==0 means there was not match. cnt>1 means there were two or - ** more matches. Either way, we have an error. + ** cnt==0 means there was not match. + ** cnt>1 means there were two or more matches. + ** + ** cnt==0 is always an error. cnt>1 is often an error, but might + ** be multiple matches for a NATURAL LEFT JOIN or a LEFT JOIN USING. */ + assert( pFJMatch==0 || cnt>0 ); + assert( !ExprHasProperty(pExpr, EP_xIsSelect|EP_IntValue) ); if( cnt!=1 ){ const char *zErr; + if( pFJMatch ){ + if( pFJMatch->nExpr==cnt-1 ){ + if( ExprHasProperty(pExpr,EP_Leaf) ){ + ExprClearProperty(pExpr,EP_Leaf); + }else{ + sqlite3ExprDelete(db, pExpr->pLeft); + pExpr->pLeft = 0; + sqlite3ExprDelete(db, pExpr->pRight); + pExpr->pRight = 0; + } + extendFJMatch(pParse, &pFJMatch, pMatch, pExpr->iColumn); + pExpr->op = TK_FUNCTION; + pExpr->u.zToken = "coalesce"; + pExpr->x.pList = pFJMatch; + cnt = 1; + goto lookupname_end; + }else{ + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + } + } zErr = cnt==0 ? "no such column" : "ambiguous column name"; if( zDb ){ sqlite3ErrorMsg(pParse, "%s: %s.%s.%s", zErr, zDb, zTab, zCol); @@ -98349,8 +105943,19 @@ static int lookupName( }else{ sqlite3ErrorMsg(pParse, "%s: %s", zErr, zCol); } + sqlite3RecordErrorOffsetOfExpr(pParse->db, pExpr); pParse->checkSchema = 1; - pTopNC->nErr++; + pTopNC->nNcErr++; + } + assert( pFJMatch==0 ); + + /* Remove all substructure from pExpr */ + if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ + sqlite3ExprDelete(db, pExpr->pLeft); + pExpr->pLeft = 0; + sqlite3ExprDelete(db, pExpr->pRight); + pExpr->pRight = 0; + ExprSetProperty(pExpr, EP_Leaf); } /* If a column from a table in pSrcList is referenced, then record @@ -98371,20 +105976,17 @@ static int lookupName( pMatch->colUsed |= sqlite3ExprColUsed(pExpr); } - /* Clean up and return - */ - sqlite3ExprDelete(db, pExpr->pLeft); - pExpr->pLeft = 0; - sqlite3ExprDelete(db, pExpr->pRight); - pExpr->pRight = 0; pExpr->op = eNewExprOp; - ExprSetProperty(pExpr, EP_Leaf); lookupname_end: if( cnt==1 ){ assert( pNC!=0 ); - if( !ExprHasProperty(pExpr, EP_Alias) ){ +#ifndef SQLITE_OMIT_AUTHORIZATION + if( pParse->db->xAuth + && (pExpr->op==TK_COLUMN || pExpr->op==TK_TRIGGER) + ){ sqlite3AuthRead(pParse, pExpr, pSchema, pNC->pSrcList); } +#endif /* Increment the nRef value on all name contexts from TopNC up to ** the point where the name matched. */ for(;;){ @@ -98406,8 +106008,10 @@ static int lookupName( SQLITE_PRIVATE Expr *sqlite3CreateColumnExpr(sqlite3 *db, SrcList *pSrc, int iSrc, int iCol){ Expr *p = sqlite3ExprAlloc(db, TK_COLUMN, 0, 0); if( p ){ - struct SrcList_item *pItem = &pSrc->a[iSrc]; - Table *pTab = p->y.pTab = pItem->pTab; + SrcItem *pItem = &pSrc->a[iSrc]; + Table *pTab; + assert( ExprUseYTab(p) ); + pTab = p->y.pTab = pItem->pTab; p->iTable = pItem->iCursor; if( p->y.pTab->iPKey==iCol ){ p->iColumn = -1; @@ -98449,7 +106053,8 @@ static void notValidImpl( Parse *pParse, /* Leave error message here */ NameContext *pNC, /* The name context */ const char *zMsg, /* Type of error */ - Expr *pExpr /* Invalidate this expression on error */ + Expr *pExpr, /* Invalidate this expression on error */ + Expr *pError /* Associate error with this expression */ ){ const char *zIn = "partial index WHERE clauses"; if( pNC->ncFlags & NC_IdxExpr ) zIn = "index expressions"; @@ -98461,10 +106066,11 @@ static void notValidImpl( #endif sqlite3ErrorMsg(pParse, "%s prohibited in %s", zMsg, zIn); if( pExpr ) pExpr->op = TK_NULL; + sqlite3RecordErrorOffsetOfExpr(pParse->db, pError); } -#define sqlite3ResolveNotValid(P,N,M,X,E) \ +#define sqlite3ResolveNotValid(P,N,M,X,E,R) \ assert( ((X)&~(NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol))==0 ); \ - if( ((N)->ncFlags & (X))!=0 ) notValidImpl(P,N,M,E); + if( ((N)->ncFlags & (X))!=0 ) notValidImpl(P,N,M,E,R); /* ** Expression p should encode a floating point value between 1.0 and 0.0. @@ -98474,6 +106080,7 @@ static void notValidImpl( static int exprProbability(Expr *p){ double r = -1.0; if( p->op!=TK_FLOAT ) return -1; + assert( !ExprHasProperty(p, EP_IntValue) ); sqlite3AtoF(p->u.zToken, &r, sqlite3Strlen30(p->u.zToken), SQLITE_UTF8); assert( r>=0.0 ); if( r>1.0 ) return -1; @@ -98518,10 +106125,11 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ */ case TK_ROW: { SrcList *pSrcList = pNC->pSrcList; - struct SrcList_item *pItem; + SrcItem *pItem; assert( pSrcList && pSrcList->nSrc>=1 ); pItem = pSrcList->a; pExpr->op = TK_COLUMN; + assert( ExprUseYTab(pExpr) ); pExpr->y.pTab = pItem->pTab; pExpr->iTable = pItem->iCursor; pExpr->iColumn--; @@ -98529,6 +106137,45 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ break; } + /* An optimization: Attempt to convert + ** + ** "expr IS NOT NULL" --> "TRUE" + ** "expr IS NULL" --> "FALSE" + ** + ** if we can prove that "expr" is never NULL. Call this the + ** "NOT NULL strength reduction optimization". + ** + ** If this optimization occurs, also restore the NameContext ref-counts + ** to the state they where in before the "column" LHS expression was + ** resolved. This prevents "column" from being counted as having been + ** referenced, which might prevent a SELECT from being erroneously + ** marked as correlated. + */ + case TK_NOTNULL: + case TK_ISNULL: { + int anRef[8]; + NameContext *p; + int i; + for(i=0, p=pNC; p && ipNext, i++){ + anRef[i] = p->nRef; + } + sqlite3WalkExpr(pWalker, pExpr->pLeft); + if( 0==sqlite3ExprCanBeNull(pExpr->pLeft) && !IN_RENAME_OBJECT ){ + testcase( ExprHasProperty(pExpr, EP_OuterON) ); + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + pExpr->u.iValue = (pExpr->op==TK_NOTNULL); + pExpr->flags |= EP_IntValue; + pExpr->op = TK_INTEGER; + + for(i=0, p=pNC; p && ipNext, i++){ + p->nRef = anRef[i]; + } + sqlite3ExprDelete(pParse->db, pExpr->pLeft); + pExpr->pLeft = 0; + } + return WRC_Prune; + } + /* A column name: ID ** Or table name and column name: ID.ID ** Or a database, table and column: ID.ID.ID @@ -98547,24 +106194,28 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_ID ){ zDb = 0; zTable = 0; + assert( !ExprHasProperty(pExpr, EP_IntValue) ); zColumn = pExpr->u.zToken; }else{ Expr *pLeft = pExpr->pLeft; testcase( pNC->ncFlags & NC_IdxExpr ); testcase( pNC->ncFlags & NC_GenCol ); sqlite3ResolveNotValid(pParse, pNC, "the \".\" operator", - NC_IdxExpr|NC_GenCol, 0); + NC_IdxExpr|NC_GenCol, 0, pExpr); pRight = pExpr->pRight; if( pRight->op==TK_ID ){ zDb = 0; }else{ assert( pRight->op==TK_DOT ); + assert( !ExprHasProperty(pRight, EP_IntValue) ); zDb = pLeft->u.zToken; pLeft = pRight->pLeft; pRight = pRight->pRight; } + assert( ExprUseUToken(pLeft) && ExprUseUToken(pRight) ); zTable = pLeft->u.zToken; zColumn = pRight->u.zToken; + assert( ExprUseYTab(pExpr) ); if( IN_RENAME_OBJECT ){ sqlite3RenameTokenRemap(pParse, (void*)pExpr, (void*)pRight); sqlite3RenameTokenRemap(pParse, (void*)&pExpr->y.pTab, (void*)pLeft); @@ -98581,7 +106232,6 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ int no_such_func = 0; /* True if no such function exists */ int wrong_num_args = 0; /* True if wrong number of arguments */ int is_agg = 0; /* True if is an aggregate function */ - int nId; /* Number of characters in function name */ const char *zId; /* The function name. */ FuncDef *pDef; /* Information about the function */ u8 enc = ENC(pParse->db); /* The database encoding */ @@ -98589,9 +106239,8 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ #ifndef SQLITE_OMIT_WINDOWFUNC Window *pWin = (IsWindowFunc(pExpr) ? pExpr->y.pWin : 0); #endif - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); + assert( !ExprHasProperty(pExpr, EP_xIsSelect|EP_IntValue) ); zId = pExpr->u.zToken; - nId = sqlite3Strlen30(zId); pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0); if( pDef==0 ){ pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0); @@ -98608,9 +106257,9 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ pExpr->iTable = exprProbability(pList->a[1].pExpr); if( pExpr->iTable<0 ){ sqlite3ErrorMsg(pParse, - "second argument to likelihood() must be a " - "constant between 0.0 and 1.0"); - pNC->nErr++; + "second argument to %#T() must be a " + "constant between 0.0 and 1.0", pExpr); + pNC->nNcErr++; } }else{ /* EVIDENCE-OF: R-61304-29449 The unlikely(X) function is @@ -98630,9 +106279,9 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ int auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0,pDef->zName,0); if( auth!=SQLITE_OK ){ if( auth==SQLITE_DENY ){ - sqlite3ErrorMsg(pParse, "not authorized to use function: %s", - pDef->zName); - pNC->nErr++; + sqlite3ErrorMsg(pParse, "not authorized to use function: %#T", + pExpr); + pNC->nNcErr++; } pExpr->op = TK_NULL; return WRC_Prune; @@ -98654,7 +106303,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ ** in a CHECK constraint. SQLServer, MySQL, and PostgreSQL all ** all this. */ sqlite3ResolveNotValid(pParse, pNC, "non-deterministic functions", - NC_IdxExpr|NC_PartIdx|NC_GenCol, 0); + NC_IdxExpr|NC_PartIdx|NC_GenCol, 0, pExpr); }else{ assert( (NC_SelfRef & 0xff)==NC_SelfRef ); /* Must fit in 8 bits */ pExpr->op2 = pNC->ncFlags & NC_SelfRef; @@ -98667,7 +106316,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ /* Internal-use-only functions are disallowed unless the ** SQL is being compiled using sqlite3NestedParse() or ** the SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control has be - ** used to activate internal functionsn for testing purposes */ + ** used to activate internal functions for testing purposes */ no_such_func = 1; pDef = 0; }else @@ -98686,9 +106335,9 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ ); if( pDef && pDef->xValue==0 && pWin ){ sqlite3ErrorMsg(pParse, - "%.*s() may not be used as a window function", nId, zId + "%#T() may not be used as a window function", pExpr ); - pNC->nErr++; + pNC->nNcErr++; }else if( (is_agg && (pNC->ncFlags & NC_AllowAgg)==0) || (is_agg && (pDef->funcFlags&SQLITE_FUNC_WINDOW) && !pWin) @@ -98700,14 +106349,14 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ }else{ zType = "aggregate"; } - sqlite3ErrorMsg(pParse, "misuse of %s function %.*s()",zType,nId,zId); - pNC->nErr++; + sqlite3ErrorMsg(pParse, "misuse of %s function %#T()",zType,pExpr); + pNC->nNcErr++; is_agg = 0; } #else if( (is_agg && (pNC->ncFlags & NC_AllowAgg)==0) ){ - sqlite3ErrorMsg(pParse,"misuse of aggregate function %.*s()",nId,zId); - pNC->nErr++; + sqlite3ErrorMsg(pParse,"misuse of aggregate function %#T()",pExpr); + pNC->nNcErr++; is_agg = 0; } #endif @@ -98716,20 +106365,20 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ && pParse->explain==0 #endif ){ - sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId); - pNC->nErr++; + sqlite3ErrorMsg(pParse, "no such function: %#T", pExpr); + pNC->nNcErr++; }else if( wrong_num_args ){ - sqlite3ErrorMsg(pParse,"wrong number of arguments to function %.*s()", - nId, zId); - pNC->nErr++; + sqlite3ErrorMsg(pParse,"wrong number of arguments to function %#T()", + pExpr); + pNC->nNcErr++; } #ifndef SQLITE_OMIT_WINDOWFUNC else if( is_agg==0 && ExprHasProperty(pExpr, EP_WinFunc) ){ sqlite3ErrorMsg(pParse, - "FILTER may not be used with non-aggregate %.*s()", - nId, zId + "FILTER may not be used with non-aggregate %#T()", + pExpr ); - pNC->nErr++; + pNC->nNcErr++; } #endif if( is_agg ){ @@ -98753,9 +106402,10 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ #ifndef SQLITE_OMIT_WINDOWFUNC if( pWin ){ Select *pSel = pNC->pWinSelect; - assert( pWin==pExpr->y.pWin ); + assert( pWin==0 || (ExprUseYWin(pExpr) && pWin==pExpr->y.pWin) ); if( IN_RENAME_OBJECT==0 ){ sqlite3WindowUpdate(pParse, pSel ? pSel->pWinDefn : 0, pWin, pDef); + if( pParse->db->mallocFailed ) break; } sqlite3WalkExprList(pWalker, pWin->pPartition); sqlite3WalkExprList(pWalker, pWin->pOrderBy); @@ -98765,7 +106415,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ }else #endif /* SQLITE_OMIT_WINDOWFUNC */ { - NameContext *pNC2 = pNC; + NameContext *pNC2; /* For looping up thru outer contexts */ pExpr->op = TK_AGG_FUNCTION; pExpr->op2 = 0; #ifndef SQLITE_OMIT_WINDOWFUNC @@ -98773,16 +106423,22 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter); } #endif - while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){ + pNC2 = pNC; + while( pNC2 + && sqlite3ReferencesSrcList(pParse, pExpr, pNC2->pSrcList)==0 + ){ pExpr->op2++; pNC2 = pNC2->pNext; } assert( pDef!=0 || IN_RENAME_OBJECT ); if( pNC2 && pDef ){ assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg ); + assert( SQLITE_FUNC_ANYORDER==NC_OrderAgg ); testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 ); - pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX); - + testcase( (pDef->funcFlags & SQLITE_FUNC_ANYORDER)!=0 ); + pNC2->ncFlags |= NC_HasAgg + | ((pDef->funcFlags^SQLITE_FUNC_ANYORDER) + & (SQLITE_FUNC_MINMAX|SQLITE_FUNC_ANYORDER)); } } pNC->ncFlags |= savedAllowFlags; @@ -98798,20 +106454,22 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ #endif case TK_IN: { testcase( pExpr->op==TK_IN ); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ int nRef = pNC->nRef; testcase( pNC->ncFlags & NC_IsCheck ); testcase( pNC->ncFlags & NC_PartIdx ); testcase( pNC->ncFlags & NC_IdxExpr ); testcase( pNC->ncFlags & NC_GenCol ); - sqlite3ResolveNotValid(pParse, pNC, "subqueries", - NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol, pExpr); - sqlite3WalkSelect(pWalker, pExpr->x.pSelect); + if( pNC->ncFlags & NC_SelfRef ){ + notValidImpl(pParse, pNC, "subqueries", pExpr, pExpr); + }else{ + sqlite3WalkSelect(pWalker, pExpr->x.pSelect); + } assert( pNC->nRef>=nRef ); if( nRef!=pNC->nRef ){ ExprSetProperty(pExpr, EP_VarSelect); - pNC->ncFlags |= NC_VarSelect; } + pNC->ncFlags |= NC_Subquery; } break; } @@ -98821,7 +106479,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ testcase( pNC->ncFlags & NC_IdxExpr ); testcase( pNC->ncFlags & NC_GenCol ); sqlite3ResolveNotValid(pParse, pNC, "parameters", - NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol, pExpr); + NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol, pExpr, pExpr); break; } case TK_IS: @@ -98830,7 +106488,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ assert( !ExprHasProperty(pExpr, EP_Reduced) ); /* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE", ** and "x IS NOT FALSE". */ - if( pRight && pRight->op==TK_ID ){ + if( ALWAYS(pRight) && (pRight->op==TK_ID || pRight->op==TK_TRUEFALSE) ){ int rc = resolveExprStep(pWalker, pRight); if( rc==WRC_Abort ) return WRC_Abort; if( pRight->op==TK_TRUEFALSE ){ @@ -98853,6 +106511,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ assert( pExpr->pLeft!=0 ); nLeft = sqlite3ExprVectorSize(pExpr->pLeft); if( pExpr->op==TK_BETWEEN ){ + assert( ExprUseXList(pExpr) ); nRight = sqlite3ExprVectorSize(pExpr->x.pList->a[0].pExpr); if( nRight==nLeft ){ nRight = sqlite3ExprVectorSize(pExpr->x.pList->a[1].pExpr); @@ -98872,11 +106531,13 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_ISNOT ); testcase( pExpr->op==TK_BETWEEN ); sqlite3ErrorMsg(pParse, "row value misused"); + sqlite3RecordErrorOffsetOfExpr(pParse->db, pExpr); } break; } } - return (pParse->nErr || pParse->db->mallocFailed) ? WRC_Abort : WRC_Continue; + assert( pParse->db->mallocFailed==0 || pParse->nErr!=0 ); + return pParse->nErr ? WRC_Abort : WRC_Continue; } /* @@ -98901,9 +106562,11 @@ static int resolveAsName( UNUSED_PARAMETER(pParse); if( pE->op==TK_ID ){ - char *zCol = pE->u.zToken; + const char *zCol; + assert( !ExprHasProperty(pE, EP_IntValue) ); + zCol = pE->u.zToken; for(i=0; inExpr; i++){ - if( pEList->a[i].eEName==ENAME_NAME + if( pEList->a[i].fg.eEName==ENAME_NAME && sqlite3_stricmp(pEList->a[i].zEName, zCol)==0 ){ return i+1; @@ -98952,11 +106615,11 @@ static int resolveOrderByTermToExprList( nc.pParse = pParse; nc.pSrcList = pSelect->pSrc; nc.uNC.pEList = pEList; - nc.ncFlags = NC_AllowAgg|NC_UEList; - nc.nErr = 0; + nc.ncFlags = NC_AllowAgg|NC_UEList|NC_NoSelect; + nc.nNcErr = 0; db = pParse->db; savedSuppErr = db->suppressErr; - if( IN_RENAME_OBJECT==0 ) db->suppressErr = 1; + db->suppressErr = 1; rc = sqlite3ResolveExprNames(&nc, pE); db->suppressErr = savedSuppErr; if( rc ) return 0; @@ -98982,11 +106645,13 @@ static void resolveOutOfRangeError( Parse *pParse, /* The error context into which to write the error */ const char *zType, /* "ORDER" or "GROUP" */ int i, /* The index (1-based) of the term out of range */ - int mx /* Largest permissible value of i */ + int mx, /* Largest permissible value of i */ + Expr *pError /* Associate the error with the expression */ ){ sqlite3ErrorMsg(pParse, "%r %s BY term out of range - should be " "between 1 and %d", i, zType, mx); + sqlite3RecordErrorOffsetOfExpr(pParse->db, pError); } /* @@ -99022,7 +106687,7 @@ static int resolveCompoundOrderBy( return 1; } for(i=0; inExpr; i++){ - pOrderBy->a[i].done = 0; + pOrderBy->a[i].fg.done = 0; } pSelect->pNext = 0; while( pSelect->pPrior ){ @@ -99037,11 +106702,12 @@ static int resolveCompoundOrderBy( for(i=0, pItem=pOrderBy->a; inExpr; i++, pItem++){ int iCol = -1; Expr *pE, *pDup; - if( pItem->done ) continue; + if( pItem->fg.done ) continue; pE = sqlite3ExprSkipCollateAndLikely(pItem->pExpr); + if( NEVER(pE==0) ) continue; if( sqlite3ExprIsInteger(pE, &iCol) ){ if( iCol<=0 || iCol>pEList->nExpr ){ - resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr); + resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr, pE); return 1; } }else{ @@ -99054,29 +106720,24 @@ static int resolveCompoundOrderBy( ** Once the comparisons are finished, the duplicate expression ** is deleted. ** - ** Or, if this is running as part of an ALTER TABLE operation, - ** resolve the symbols in the actual expression, not a duplicate. - ** And, if one of the comparisons is successful, leave the expression - ** as is instead of transforming it to an integer as in the usual - ** case. This allows the code in alter.c to modify column - ** refererences within the ORDER BY expression as required. */ - if( IN_RENAME_OBJECT ){ - pDup = pE; - }else{ - pDup = sqlite3ExprDup(db, pE, 0); - } + ** If this is running as part of an ALTER TABLE operation and + ** the symbols resolve successfully, also resolve the symbols in the + ** actual expression. This allows the code in alter.c to modify + ** column references within the ORDER BY expression as required. */ + pDup = sqlite3ExprDup(db, pE, 0); if( !db->mallocFailed ){ assert(pDup); iCol = resolveOrderByTermToExprList(pParse, pSelect, pDup); + if( IN_RENAME_OBJECT && iCol>0 ){ + resolveOrderByTermToExprList(pParse, pSelect, pE); + } } - if( !IN_RENAME_OBJECT ){ - sqlite3ExprDelete(db, pDup); - } + sqlite3ExprDelete(db, pDup); } } if( iCol>0 ){ /* Convert the ORDER BY term into an integer column number iCol, - ** taking care to preserve the COLLATE clause if it exists */ + ** taking care to preserve the COLLATE clause if it exists. */ if( !IN_RENAME_OBJECT ){ Expr *pNew = sqlite3Expr(db, TK_INTEGER, 0); if( pNew==0 ) return 1; @@ -99094,7 +106755,7 @@ static int resolveCompoundOrderBy( sqlite3ExprDelete(db, pE); pItem->u.x.iOrderByCol = (u16)iCol; } - pItem->done = 1; + pItem->fg.done = 1; }else{ moreToDo = 1; } @@ -99102,7 +106763,7 @@ static int resolveCompoundOrderBy( pSelect = pSelect->pNext; } for(i=0; inExpr; i++){ - if( pOrderBy->a[i].done==0 ){ + if( pOrderBy->a[i].fg.done==0 ){ sqlite3ErrorMsg(pParse, "%r ORDER BY term does not match any " "column in the result set", i+1); return 1; @@ -99142,11 +106803,10 @@ SQLITE_PRIVATE int sqlite3ResolveOrderGroupBy( for(i=0, pItem=pOrderBy->a; inExpr; i++, pItem++){ if( pItem->u.x.iOrderByCol ){ if( pItem->u.x.iOrderByCol>pEList->nExpr ){ - resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr); + resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr, 0); return 1; } - resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr, - zType,0); + resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr,0); } } return 0; @@ -99212,12 +106872,13 @@ static int resolveOrderGroupBy( Parse *pParse; /* Parsing context */ int nResult; /* Number of terms in the result set */ - if( pOrderBy==0 ) return 0; + assert( pOrderBy!=0 ); nResult = pSelect->pEList->nExpr; pParse = pNC->pParse; for(i=0, pItem=pOrderBy->a; inExpr; i++, pItem++){ Expr *pE = pItem->pExpr; Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pE); + if( NEVER(pE2==0) ) continue; if( zType[0]!='G' ){ iCol = resolveAsName(pParse, pSelect->pEList, pE2); if( iCol>0 ){ @@ -99234,7 +106895,7 @@ static int resolveOrderGroupBy( ** number so that sqlite3ResolveOrderGroupBy() will convert the ** order-by term to a copy of the result-set expression */ if( iCol<1 || iCol>0xffff ){ - resolveOutOfRangeError(pParse, zType, i+1, nResult); + resolveOutOfRangeError(pParse, zType, i+1, nResult, pE2); return 1; } pItem->u.x.iOrderByCol = (u16)iCol; @@ -99248,7 +106909,7 @@ static int resolveOrderGroupBy( } for(j=0; jpEList->nExpr; j++){ if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ - /* Since this expresion is being changed into a reference + /* Since this expression is being changed into a reference ** to an identical expression in the result set, remove all Window ** objects belonging to the expression from the Select.pWin list. */ windowRemoveExprFromSelect(pSelect, pE); @@ -99292,7 +106953,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ */ if( (p->selFlags & SF_Expanded)==0 ){ sqlite3SelectPrep(pParse, p, pOuterNC); - return (pParse->nErr || db->mallocFailed) ? WRC_Abort : WRC_Prune; + return pParse->nErr ? WRC_Abort : WRC_Prune; } isCompound = p->pPrior!=0; @@ -99301,8 +106962,10 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ while( p ){ assert( (p->selFlags & SF_Expanded)!=0 ); assert( (p->selFlags & SF_Resolved)==0 ); + assert( db->suppressErr==0 ); /* SF_Resolved not set if errors suppressed */ p->selFlags |= SF_Resolved; + /* Resolve the expressions in the LIMIT and OFFSET clauses. These ** are not allowed to refer to any names, so pass an empty NameContext. */ @@ -99327,30 +106990,30 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ p->pOrderBy = 0; } - /* Recursively resolve names in all subqueries + /* Recursively resolve names in all subqueries in the FROM clause */ for(i=0; ipSrc->nSrc; i++){ - struct SrcList_item *pItem = &p->pSrc->a[i]; + SrcItem *pItem = &p->pSrc->a[i]; if( pItem->pSelect && (pItem->pSelect->selFlags & SF_Resolved)==0 ){ - NameContext *pNC; /* Used to iterate name contexts */ - int nRef = 0; /* Refcount for pOuterNC and outer contexts */ + int nRef = pOuterNC ? pOuterNC->nRef : 0; const char *zSavedContext = pParse->zAuthContext; - /* Count the total number of references to pOuterNC and all of its - ** parent contexts. After resolving references to expressions in - ** pItem->pSelect, check if this value has changed. If so, then - ** SELECT statement pItem->pSelect must be correlated. Set the - ** pItem->fg.isCorrelated flag if this is the case. */ - for(pNC=pOuterNC; pNC; pNC=pNC->pNext) nRef += pNC->nRef; - if( pItem->zName ) pParse->zAuthContext = pItem->zName; sqlite3ResolveSelectNames(pParse, pItem->pSelect, pOuterNC); pParse->zAuthContext = zSavedContext; - if( pParse->nErr || db->mallocFailed ) return WRC_Abort; + if( pParse->nErr ) return WRC_Abort; + assert( db->mallocFailed==0 ); - for(pNC=pOuterNC; pNC; pNC=pNC->pNext) nRef -= pNC->nRef; - assert( pItem->fg.isCorrelated==0 && nRef<=0 ); - pItem->fg.isCorrelated = (nRef!=0); + /* If the number of references to the outer context changed when + ** expressions in the sub-select were resolved, the sub-select + ** is correlated. It is not required to check the refcount on any + ** but the innermost outer context object, as lookupName() increments + ** the refcount on all contexts between the current one and the + ** context containing the column when it resolves a name. */ + if( pOuterNC ){ + assert( pItem->fg.isCorrelated==0 && pOuterNC->nRef>=nRef ); + pItem->fg.isCorrelated = (pOuterNC->nRef>nRef); + } } } @@ -99372,18 +107035,12 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ pGroupBy = p->pGroupBy; if( pGroupBy || (sNC.ncFlags & NC_HasAgg)!=0 ){ assert( NC_MinMaxAgg==SF_MinMaxAgg ); - p->selFlags |= SF_Aggregate | (sNC.ncFlags&NC_MinMaxAgg); + assert( NC_OrderAgg==SF_OrderByReqd ); + p->selFlags |= SF_Aggregate | (sNC.ncFlags&(NC_MinMaxAgg|NC_OrderAgg)); }else{ sNC.ncFlags &= ~NC_AllowAgg; } - /* If a HAVING clause is present, then there must be a GROUP BY clause. - */ - if( p->pHaving && !pGroupBy ){ - sqlite3ErrorMsg(pParse, "a GROUP BY clause is required before HAVING"); - return WRC_Abort; - } - /* Add the output column list to the name-context before parsing the ** other expressions in the SELECT statement. This is so that ** expressions in the WHERE clause (etc.) can refer to expressions by @@ -99392,15 +107049,21 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ** Minor point: If this is the case, then the expression will be ** re-evaluated for each reference to it. */ - assert( (sNC.ncFlags & (NC_UAggInfo|NC_UUpsert))==0 ); + assert( (sNC.ncFlags & (NC_UAggInfo|NC_UUpsert|NC_UBaseReg))==0 ); sNC.uNC.pEList = p->pEList; sNC.ncFlags |= NC_UEList; - if( sqlite3ResolveExprNames(&sNC, p->pHaving) ) return WRC_Abort; + if( p->pHaving ){ + if( (p->selFlags & SF_Aggregate)==0 ){ + sqlite3ErrorMsg(pParse, "HAVING clause on a non-aggregate query"); + return WRC_Abort; + } + if( sqlite3ResolveExprNames(&sNC, p->pHaving) ) return WRC_Abort; + } if( sqlite3ResolveExprNames(&sNC, p->pWhere) ) return WRC_Abort; /* Resolve names in table-valued-function arguments */ for(i=0; ipSrc->nSrc; i++){ - struct SrcList_item *pItem = &p->pSrc->a[i]; + SrcItem *pItem = &p->pSrc->a[i]; if( pItem->fg.isTabFunc && sqlite3ResolveExprListNames(&sNC, pItem->u1.pFuncArg) ){ @@ -99408,6 +107071,19 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ } } +#ifndef SQLITE_OMIT_WINDOWFUNC + if( IN_RENAME_OBJECT ){ + Window *pWin; + for(pWin=p->pWinDefn; pWin; pWin=pWin->pNextWin){ + if( sqlite3ResolveExprListNames(&sNC, pWin->pOrderBy) + || sqlite3ResolveExprListNames(&sNC, pWin->pPartition) + ){ + return WRC_Abort; + } + } + } +#endif + /* The ORDER BY and GROUP BY clauses may not refer to terms in ** outer queries */ @@ -99435,7 +107111,8 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ** is not detected until much later, and so we need to go ahead and ** resolve those symbols on the incorrect ORDER BY for consistency. */ - if( isCompound<=nCompound /* Defer right-most ORDER BY of a compound */ + if( p->pOrderBy!=0 + && isCompound<=nCompound /* Defer right-most ORDER BY of a compound */ && resolveOrderGroupBy(&sNC, p, p->pOrderBy, "ORDER") ){ return WRC_Abort; @@ -99463,19 +107140,6 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ } } -#ifndef SQLITE_OMIT_WINDOWFUNC - if( IN_RENAME_OBJECT ){ - Window *pWin; - for(pWin=p->pWinDefn; pWin; pWin=pWin->pNextWin){ - if( sqlite3ResolveExprListNames(&sNC, pWin->pOrderBy) - || sqlite3ResolveExprListNames(&sNC, pWin->pPartition) - ){ - return WRC_Abort; - } - } - } -#endif - /* If this is part of a compound SELECT, check that it has the right ** number of expressions in the select list. */ if( p->pNext && p->pEList->nExpr!=p->pNext->pEList->nExpr ){ @@ -99555,11 +107219,11 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( Walker w; if( pExpr==0 ) return SQLITE_OK; - savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin); - pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); + pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); w.pParse = pNC->pParse; w.xExprCallback = resolveExprStep; - w.xSelectCallback = resolveSelectStep; + w.xSelectCallback = (pNC->ncFlags & NC_NoSelect) ? 0 : resolveSelectStep; w.xSelectCallback2 = 0; w.u.pNC = pNC; #if SQLITE_MAX_EXPR_DEPTH>0 @@ -99568,7 +107232,8 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( return SQLITE_ERROR; } #endif - sqlite3WalkExpr(&w, pExpr); + assert( pExpr!=0 ); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -99578,7 +107243,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( testcase( pNC->ncFlags & NC_HasWin ); ExprSetProperty(pExpr, pNC->ncFlags & (NC_HasAgg|NC_HasWin) ); pNC->ncFlags |= savedHasAgg; - return pNC->nErr>0 || w.pParse->nErr>0; + return pNC->nNcErr>0 || w.pParse->nErr>0; } /* @@ -99599,8 +107264,8 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( w.xSelectCallback = resolveSelectStep; w.xSelectCallback2 = 0; w.u.pNC = pNC; - savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin); - pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); + pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); for(i=0; inExpr; i++){ Expr *pExpr = pList->a[i].pExpr; if( pExpr==0 ) continue; @@ -99610,7 +107275,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( return WRC_Abort; } #endif - sqlite3WalkExpr(&w, pExpr); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -99618,12 +107283,13 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( assert( EP_Win==NC_HasWin ); testcase( pNC->ncFlags & NC_HasAgg ); testcase( pNC->ncFlags & NC_HasWin ); - if( pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin) ){ + if( pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg) ){ ExprSetProperty(pExpr, pNC->ncFlags & (NC_HasAgg|NC_HasWin) ); - savedHasAgg |= pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin); - pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + savedHasAgg |= pNC->ncFlags & + (NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); + pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg); } - if( pNC->nErr>0 || w.pParse->nErr>0 ) return WRC_Abort; + if( w.pParse->nErr>0 ) return WRC_Abort; } pNC->ncFlags |= savedHasAgg; return WRC_Continue; @@ -99631,7 +107297,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( /* ** Resolve all names in all expressions of a SELECT and in all -** decendents of the SELECT, including compounds off of p->pPrior, +** descendants of the SELECT, including compounds off of p->pPrior, ** subqueries in expressions, and subqueries used as FROM clause ** terms. ** @@ -99735,9 +107401,9 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piToFree); /* ** Return the affinity character for a single column of a table. */ -SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table *pTab, int iCol){ - assert( iColnCol ); - return iCol>=0 ? pTab->aCol[iCol].affinity : SQLITE_AFF_INTEGER; +SQLITE_PRIVATE char sqlite3TableColumnAffinity(const Table *pTab, int iCol){ + if( iCol<0 || NEVER(iCol>=pTab->nCol) ) return SQLITE_AFF_INTEGER; + return pTab->aCol[iCol].affinity; } /* @@ -99758,41 +107424,122 @@ SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table *pTab, int iCol){ */ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ int op; - while( ExprHasProperty(pExpr, EP_Skip) ){ - assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); - pExpr = pExpr->pLeft; - assert( pExpr!=0 ); - } op = pExpr->op; - if( op==TK_SELECT ){ - assert( pExpr->flags&EP_xIsSelect ); - assert( pExpr->x.pSelect!=0 ); - assert( pExpr->x.pSelect->pEList!=0 ); - assert( pExpr->x.pSelect->pEList->a[0].pExpr!=0 ); - return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr); - } - if( op==TK_REGISTER ) op = pExpr->op2; + while( 1 /* exit-by-break */ ){ + if( op==TK_COLUMN || (op==TK_AGG_COLUMN && pExpr->y.pTab!=0) ){ + assert( ExprUseYTab(pExpr) ); + assert( pExpr->y.pTab!=0 ); + return sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); + } + if( op==TK_SELECT ){ + assert( ExprUseXSelect(pExpr) ); + assert( pExpr->x.pSelect!=0 ); + assert( pExpr->x.pSelect->pEList!=0 ); + assert( pExpr->x.pSelect->pEList->a[0].pExpr!=0 ); + return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr); + } #ifndef SQLITE_OMIT_CAST - if( op==TK_CAST ){ - assert( !ExprHasProperty(pExpr, EP_IntValue) ); - return sqlite3AffinityType(pExpr->u.zToken, 0); - } + if( op==TK_CAST ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + return sqlite3AffinityType(pExpr->u.zToken, 0); + } #endif - if( (op==TK_AGG_COLUMN || op==TK_COLUMN) && pExpr->y.pTab ){ - return sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); - } - if( op==TK_SELECT_COLUMN ){ - assert( pExpr->pLeft->flags&EP_xIsSelect ); - return sqlite3ExprAffinity( - pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr - ); - } - if( op==TK_VECTOR ){ - return sqlite3ExprAffinity(pExpr->x.pList->a[0].pExpr); + if( op==TK_SELECT_COLUMN ){ + assert( pExpr->pLeft!=0 && ExprUseXSelect(pExpr->pLeft) ); + assert( pExpr->iColumn < pExpr->iTable ); + assert( pExpr->iColumn >= 0 ); + assert( pExpr->iTable==pExpr->pLeft->x.pSelect->pEList->nExpr ); + return sqlite3ExprAffinity( + pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr + ); + } + if( op==TK_VECTOR ){ + assert( ExprUseXList(pExpr) ); + return sqlite3ExprAffinity(pExpr->x.pList->a[0].pExpr); + } + if( ExprHasProperty(pExpr, EP_Skip|EP_IfNullRow) ){ + assert( pExpr->op==TK_COLLATE + || pExpr->op==TK_IF_NULL_ROW + || (pExpr->op==TK_REGISTER && pExpr->op2==TK_IF_NULL_ROW) ); + pExpr = pExpr->pLeft; + op = pExpr->op; + continue; + } + if( op!=TK_REGISTER || (op = pExpr->op2)==TK_REGISTER ) break; } return pExpr->affExpr; } +/* +** Make a guess at all the possible datatypes of the result that could +** be returned by an expression. Return a bitmask indicating the answer: +** +** 0x01 Numeric +** 0x02 Text +** 0x04 Blob +** +** If the expression must return NULL, then 0x00 is returned. +*/ +SQLITE_PRIVATE int sqlite3ExprDataType(const Expr *pExpr){ + while( pExpr ){ + switch( pExpr->op ){ + case TK_COLLATE: + case TK_IF_NULL_ROW: + case TK_UPLUS: { + pExpr = pExpr->pLeft; + break; + } + case TK_NULL: { + pExpr = 0; + break; + } + case TK_STRING: { + return 0x02; + } + case TK_BLOB: { + return 0x04; + } + case TK_CONCAT: { + return 0x06; + } + case TK_VARIABLE: + case TK_AGG_FUNCTION: + case TK_FUNCTION: { + return 0x07; + } + case TK_COLUMN: + case TK_AGG_COLUMN: + case TK_SELECT: + case TK_CAST: + case TK_SELECT_COLUMN: + case TK_VECTOR: { + int aff = sqlite3ExprAffinity(pExpr); + if( aff>=SQLITE_AFF_NUMERIC ) return 0x05; + if( aff==SQLITE_AFF_TEXT ) return 0x06; + return 0x07; + } + case TK_CASE: { + int res = 0; + int ii; + ExprList *pList = pExpr->x.pList; + assert( ExprUseXList(pExpr) && pList!=0 ); + assert( pList->nExpr > 0); + for(ii=1; iinExpr; ii+=2){ + res |= sqlite3ExprDataType(pList->a[ii].pExpr); + } + if( pList->nExpr % 2 ){ + res |= sqlite3ExprDataType(pList->a[pList->nExpr-1].pExpr); + } + return res; + } + default: { + return 0x01; + } + } /* End of switch(op) */ + } /* End of while(pExpr) */ + return 0x00; +} + /* ** Set the collating sequence for expression pExpr to be the collating ** sequence named by pToken. Return a pointer to a new Expr node that @@ -99802,7 +107549,7 @@ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ ** and the pExpr parameter is returned unchanged. */ SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken( - Parse *pParse, /* Parsing context */ + const Parse *pParse, /* Parsing context */ Expr *pExpr, /* Add the "COLLATE" clause to this expression */ const Token *pCollName, /* Name of collating sequence */ int dequote /* True to dequote pCollName */ @@ -99817,7 +107564,11 @@ SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken( } return pExpr; } -SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse *pParse, Expr *pExpr, const char *zC){ +SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString( + const Parse *pParse, /* Parsing context */ + Expr *pExpr, /* Add the "COLLATE" clause to this expression */ + const char *zC /* The collating sequence name */ +){ Token s; assert( zC!=0 ); sqlite3TokenInit(&s, (char*)zC); @@ -99829,7 +107580,7 @@ SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse *pParse, Expr *pExpr, con */ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr *pExpr){ while( pExpr && ExprHasProperty(pExpr, EP_Skip) ){ - assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); + assert( pExpr->op==TK_COLLATE ); pExpr = pExpr->pLeft; } return pExpr; @@ -99843,12 +107594,12 @@ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr *pExpr){ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollateAndLikely(Expr *pExpr){ while( pExpr && ExprHasProperty(pExpr, EP_Skip|EP_Unlikely) ){ if( ExprHasProperty(pExpr, EP_Unlikely) ){ - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); + assert( ExprUseXList(pExpr) ); assert( pExpr->x.pList->nExpr>0 ); assert( pExpr->op==TK_FUNCTION ); pExpr = pExpr->x.pList->a[0].pExpr; }else{ - assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); + assert( pExpr->op==TK_COLLATE ); pExpr = pExpr->pLeft; } } @@ -99876,14 +107627,14 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ while( p ){ int op = p->op; if( op==TK_REGISTER ) op = p->op2; - if( (op==TK_AGG_COLUMN || op==TK_COLUMN || op==TK_TRIGGER) - && p->y.pTab!=0 + if( (op==TK_AGG_COLUMN && p->y.pTab!=0) + || op==TK_COLUMN || op==TK_TRIGGER ){ - /* op==TK_REGISTER && p->y.pTab!=0 happens when pExpr was originally - ** a TK_COLUMN but was previously evaluated and cached in a register */ - int j = p->iColumn; - if( j>=0 ){ - const char *zColl = p->y.pTab->aCol[j].zColl; + int j; + assert( ExprUseYTab(p) ); + assert( p->y.pTab!=0 ); + if( (j = p->iColumn)>=0 ){ + const char *zColl = sqlite3ColumnColl(&p->y.pTab->aCol[j]); pColl = sqlite3FindCollSeq(db, ENC(db), zColl, 0); } break; @@ -99893,10 +107644,12 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ continue; } if( op==TK_VECTOR ){ + assert( ExprUseXList(p) ); p = p->x.pList->a[0].pExpr; continue; } if( op==TK_COLLATE ){ + assert( !ExprHasProperty(p, EP_IntValue) ); pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken); break; } @@ -99906,13 +107659,10 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ }else{ Expr *pNext = p->pRight; /* The Expr.x union is never used at the same time as Expr.pRight */ - assert( p->x.pList==0 || p->pRight==0 ); - if( p->x.pList!=0 - && !db->mallocFailed - && ALWAYS(!ExprHasProperty(p, EP_xIsSelect)) - ){ + assert( !ExprUseXList(p) || p->x.pList==0 || p->pRight==0 ); + if( ExprUseXList(p) && p->x.pList!=0 && !db->mallocFailed ){ int i; - for(i=0; ALWAYS(ix.pList->nExpr); i++){ + for(i=0; ix.pList->nExpr; i++){ if( ExprHasProperty(p->x.pList->a[i].pExpr, EP_Collate) ){ pNext = p->x.pList->a[i].pExpr; break; @@ -99934,7 +107684,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ /* ** Return the collation sequence for the expression pExpr. If ** there is no defined collating sequence, return a pointer to the -** defautl collation sequence. +** default collation sequence. ** ** See also: sqlite3ExprCollSeq() ** @@ -99993,7 +107743,7 @@ static char comparisonAffinity(const Expr *pExpr){ aff = sqlite3ExprAffinity(pExpr->pLeft); if( pExpr->pRight ){ aff = sqlite3CompareAffinity(pExpr->pRight, aff); - }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + }else if( ExprUseXSelect(pExpr) ){ aff = sqlite3CompareAffinity(pExpr->x.pSelect->pEList->a[0].pExpr, aff); }else if( aff==0 ){ aff = SQLITE_AFF_BLOB; @@ -100064,7 +107814,7 @@ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( return pColl; } -/* Expresssion p is a comparison operator. Return a collation sequence +/* Expression p is a comparison operator. Return a collation sequence ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). @@ -100119,7 +107869,7 @@ static int codeCompare( ** But a TK_SELECT might be either a vector or a scalar. It is only ** considered a vector if it has two or more result columns. */ -SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr){ +SQLITE_PRIVATE int sqlite3ExprIsVector(const Expr *pExpr){ return sqlite3ExprVectorSize(pExpr)>1; } @@ -100129,12 +107879,14 @@ SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr){ ** is a sub-select, return the number of columns in the sub-select. For ** any other type of expression, return 1. */ -SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr){ +SQLITE_PRIVATE int sqlite3ExprVectorSize(const Expr *pExpr){ u8 op = pExpr->op; if( op==TK_REGISTER ) op = pExpr->op2; if( op==TK_VECTOR ){ + assert( ExprUseXList(pExpr) ); return pExpr->x.pList->nExpr; }else if( op==TK_SELECT ){ + assert( ExprUseXSelect(pExpr) ); return pExpr->x.pSelect->pEList->nExpr; }else{ return 1; @@ -100157,12 +107909,14 @@ SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr){ ** been positioned. */ SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr *pVector, int i){ - assert( iop==TK_ERROR ); if( sqlite3ExprIsVector(pVector) ){ assert( pVector->op2==0 || pVector->op==TK_REGISTER ); if( pVector->op==TK_SELECT || pVector->op2==TK_SELECT ){ + assert( ExprUseXSelect(pVector) ); return pVector->x.pSelect->pEList->a[i].pExpr; }else{ + assert( ExprUseXList(pVector) ); return pVector->x.pList->a[i].pExpr; } } @@ -100193,11 +107947,12 @@ SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr *pVector, int i){ SQLITE_PRIVATE Expr *sqlite3ExprForVectorField( Parse *pParse, /* Parsing context */ Expr *pVector, /* The vector. List of expressions or a sub-SELECT */ - int iField /* Which column of the vector to return */ + int iField, /* Which column of the vector to return */ + int nField /* Total number of columns in the vector */ ){ Expr *pRet; if( pVector->op==TK_SELECT ){ - assert( pVector->flags & EP_xIsSelect ); + assert( ExprUseXSelect(pVector) ); /* The TK_SELECT_COLUMN Expr node: ** ** pLeft: pVector containing TK_SELECT. Not deleted. @@ -100216,14 +107971,23 @@ SQLITE_PRIVATE Expr *sqlite3ExprForVectorField( */ pRet = sqlite3PExpr(pParse, TK_SELECT_COLUMN, 0, 0); if( pRet ){ + pRet->iTable = nField; pRet->iColumn = iField; pRet->pLeft = pVector; } - assert( pRet==0 || pRet->iTable==0 ); }else{ - if( pVector->op==TK_VECTOR ) pVector = pVector->x.pList->a[iField].pExpr; + if( pVector->op==TK_VECTOR ){ + Expr **ppVector; + assert( ExprUseXList(pVector) ); + ppVector = &pVector->x.pList->a[iField].pExpr; + pVector = *ppVector; + if( IN_RENAME_OBJECT ){ + /* This must be a vector UPDATE inside a trigger */ + *ppVector = 0; + return pVector; + } + } pRet = sqlite3ExprDup(pParse->db, pVector, 0); - sqlite3RenameTokenRemap(pParse, pRet, pVector); } return pRet; } @@ -100273,17 +108037,22 @@ static int exprVectorRegister( int *pRegFree /* OUT: Temp register to free */ ){ u8 op = pVector->op; - assert( op==TK_VECTOR || op==TK_REGISTER || op==TK_SELECT ); + assert( op==TK_VECTOR || op==TK_REGISTER || op==TK_SELECT || op==TK_ERROR ); if( op==TK_REGISTER ){ *ppExpr = sqlite3VectorFieldSubexpr(pVector, iField); return pVector->iTable+iField; } if( op==TK_SELECT ){ + assert( ExprUseXSelect(pVector) ); *ppExpr = pVector->x.pSelect->pEList->a[iField].pExpr; return regSelect+iField; } - *ppExpr = pVector->x.pList->a[iField].pExpr; - return sqlite3ExprCodeTemp(pParse, *ppExpr, pRegFree); + if( op==TK_VECTOR ){ + assert( ExprUseXList(pVector) ); + *ppExpr = pVector->x.pList->a[iField].pExpr; + return sqlite3ExprCodeTemp(pParse, *ppExpr, pRegFree); + } + return 0; } /* @@ -100312,6 +108081,7 @@ static void codeVectorCompare( int regLeft = 0; int regRight = 0; u8 opx = op; + int addrCmp = 0; int addrDone = sqlite3VdbeMakeLabel(pParse); int isCommuted = ExprHasProperty(pExpr,EP_Commuted); @@ -100331,21 +108101,24 @@ static void codeVectorCompare( assert( p5==0 || pExpr->op!=op ); assert( p5==SQLITE_NULLEQ || pExpr->op==op ); - p5 |= SQLITE_STOREP2; - if( opx==TK_LE ) opx = TK_LT; - if( opx==TK_GE ) opx = TK_GT; + if( op==TK_LE ) opx = TK_LT; + if( op==TK_GE ) opx = TK_GT; + if( op==TK_NE ) opx = TK_EQ; regLeft = exprCodeSubselect(pParse, pLeft); regRight = exprCodeSubselect(pParse, pRight); + sqlite3VdbeAddOp2(v, OP_Integer, 1, dest); for(i=0; 1 /*Loop exits by "break"*/; i++){ int regFree1 = 0, regFree2 = 0; - Expr *pL, *pR; + Expr *pL = 0, *pR = 0; int r1, r2; assert( i>=0 && i0 @@ -100403,14 +108182,14 @@ SQLITE_PRIVATE int sqlite3ExprCheckHeight(Parse *pParse, int nHeight){ ** to by pnHeight, the second parameter, then set *pnHeight to that ** value. */ -static void heightOfExpr(Expr *p, int *pnHeight){ +static void heightOfExpr(const Expr *p, int *pnHeight){ if( p ){ if( p->nHeight>*pnHeight ){ *pnHeight = p->nHeight; } } } -static void heightOfExprList(ExprList *p, int *pnHeight){ +static void heightOfExprList(const ExprList *p, int *pnHeight){ if( p ){ int i; for(i=0; inExpr; i++){ @@ -100418,8 +108197,8 @@ static void heightOfExprList(ExprList *p, int *pnHeight){ } } } -static void heightOfSelect(Select *pSelect, int *pnHeight){ - Select *p; +static void heightOfSelect(const Select *pSelect, int *pnHeight){ + const Select *p; for(p=pSelect; p; p=p->pPrior){ heightOfExpr(p->pWhere, pnHeight); heightOfExpr(p->pHaving, pnHeight); @@ -100441,10 +108220,11 @@ static void heightOfSelect(Select *pSelect, int *pnHeight){ ** if appropriate. */ static void exprSetHeight(Expr *p){ - int nHeight = 0; - heightOfExpr(p->pLeft, &nHeight); - heightOfExpr(p->pRight, &nHeight); - if( ExprHasProperty(p, EP_xIsSelect) ){ + int nHeight = p->pLeft ? p->pLeft->nHeight : 0; + if( NEVER(p->pRight) && p->pRight->nHeight>nHeight ){ + nHeight = p->pRight->nHeight; + } + if( ExprUseXSelect(p) ){ heightOfSelect(p->x.pSelect, &nHeight); }else if( p->x.pList ){ heightOfExprList(p->x.pList, &nHeight); @@ -100471,7 +108251,7 @@ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ ** Return the maximum height of any expression tree referenced ** by the select statement passed as an argument. */ -SQLITE_PRIVATE int sqlite3SelectExprHeight(Select *p){ +SQLITE_PRIVATE int sqlite3SelectExprHeight(const Select *p){ int nHeight = 0; heightOfSelect(p, &nHeight); return nHeight; @@ -100482,13 +108262,23 @@ SQLITE_PRIVATE int sqlite3SelectExprHeight(Select *p){ ** Expr.flags. */ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ - if( p && p->x.pList && !ExprHasProperty(p, EP_xIsSelect) ){ + if( pParse->nErr ) return; + if( p && ExprUseXList(p) && p->x.pList ){ p->flags |= EP_Propagate & sqlite3ExprListFlags(p->x.pList); } } #define exprSetHeight(y) #endif /* SQLITE_MAX_EXPR_DEPTH>0 */ +/* +** Set the error offset for an Expr node, if possible. +*/ +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr *pExpr, int iOfst){ + if( pExpr==0 ) return; + if( NEVER(ExprUseWJoin(pExpr)) ) return; + pExpr->w.iOfst = iOfst; +} + /* ** This routine is the core allocator for Expr nodes. ** @@ -100585,15 +108375,26 @@ SQLITE_PRIVATE void sqlite3ExprAttachSubtrees( sqlite3ExprDelete(db, pLeft); sqlite3ExprDelete(db, pRight); }else{ + assert( ExprUseXList(pRoot) ); + assert( pRoot->x.pSelect==0 ); if( pRight ){ pRoot->pRight = pRight; pRoot->flags |= EP_Propagate & pRight->flags; +#if SQLITE_MAX_EXPR_DEPTH>0 + pRoot->nHeight = pRight->nHeight+1; + }else{ + pRoot->nHeight = 1; +#endif } if( pLeft ){ pRoot->pLeft = pLeft; pRoot->flags |= EP_Propagate & pLeft->flags; +#if SQLITE_MAX_EXPR_DEPTH>0 + if( pLeft->nHeight>=pRoot->nHeight ){ + pRoot->nHeight = pLeft->nHeight+1; + } +#endif } - exprSetHeight(pRoot); } } @@ -100640,14 +108441,71 @@ SQLITE_PRIVATE void sqlite3PExprAddSelect(Parse *pParse, Expr *pExpr, Select *pS } } +/* +** Expression list pEList is a list of vector values. This function +** converts the contents of pEList to a VALUES(...) Select statement +** returning 1 row for each element of the list. For example, the +** expression list: +** +** ( (1,2), (3,4) (5,6) ) +** +** is translated to the equivalent of: +** +** VALUES(1,2), (3,4), (5,6) +** +** Each of the vector values in pEList must contain exactly nElem terms. +** If a list element that is not a vector or does not contain nElem terms, +** an error message is left in pParse. +** +** This is used as part of processing IN(...) expressions with a list +** of vectors on the RHS. e.g. "... IN ((1,2), (3,4), (5,6))". +*/ +SQLITE_PRIVATE Select *sqlite3ExprListToValues(Parse *pParse, int nElem, ExprList *pEList){ + int ii; + Select *pRet = 0; + assert( nElem>1 ); + for(ii=0; iinExpr; ii++){ + Select *pSel; + Expr *pExpr = pEList->a[ii].pExpr; + int nExprElem; + if( pExpr->op==TK_VECTOR ){ + assert( ExprUseXList(pExpr) ); + nExprElem = pExpr->x.pList->nExpr; + }else{ + nExprElem = 1; + } + if( nExprElem!=nElem ){ + sqlite3ErrorMsg(pParse, "IN(...) element has %d term%s - expected %d", + nExprElem, nExprElem>1?"s":"", nElem + ); + break; + } + assert( ExprUseXList(pExpr) ); + pSel = sqlite3SelectNew(pParse, pExpr->x.pList, 0, 0, 0, 0, 0, SF_Values,0); + pExpr->x.pList = 0; + if( pSel ){ + if( pRet ){ + pSel->op = TK_ALL; + pSel->pPrior = pRet; + } + pRet = pSel; + } + } + + if( pRet && pRet->pPrior ){ + pRet->selFlags |= SF_MultiValue; + } + sqlite3ExprListDelete(pParse->db, pEList); + return pRet; +} /* ** Join two expressions using an AND operator. If either expression is ** NULL, then just return the other expression. ** -** If one side or the other of the AND is known to be false, then instead -** of returning an AND expression, just return a constant expression with -** a value of false. +** If one side or the other of the AND is known to be false, and neither side +** is part of an ON clause, then instead of returning an AND expression, +** just return a constant expression with a value of false. */ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ sqlite3 *db = pParse->db; @@ -100655,14 +108513,17 @@ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ return pRight; }else if( pRight==0 ){ return pLeft; - }else if( (ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight)) - && !IN_RENAME_OBJECT - ){ - sqlite3ExprDelete(db, pLeft); - sqlite3ExprDelete(db, pRight); - return sqlite3Expr(db, TK_INTEGER, "0"); }else{ - return sqlite3PExpr(pParse, TK_AND, pLeft, pRight); + u32 f = pLeft->flags | pRight->flags; + if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse))==EP_IsFalse + && !IN_RENAME_OBJECT + ){ + sqlite3ExprDeferredDelete(pParse, pLeft); + sqlite3ExprDeferredDelete(pParse, pRight); + return sqlite3Expr(db, TK_INTEGER, "0"); + }else{ + return sqlite3PExpr(pParse, TK_AND, pLeft, pRight); + } } } @@ -100673,7 +108534,7 @@ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ SQLITE_PRIVATE Expr *sqlite3ExprFunction( Parse *pParse, /* Parsing context */ ExprList *pList, /* Argument list */ - Token *pToken, /* Name of the function */ + const Token *pToken, /* Name of the function */ int eDistinct /* SF_Distinct or SF_ALL or 0 */ ){ Expr *pNew; @@ -100684,12 +108545,17 @@ SQLITE_PRIVATE Expr *sqlite3ExprFunction( sqlite3ExprListDelete(db, pList); /* Avoid memory leak when malloc fails */ return 0; } - if( pList && pList->nExpr > pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] ){ + assert( !ExprHasProperty(pNew, EP_InnerON|EP_OuterON) ); + pNew->w.iOfst = (int)(pToken->z - pParse->zTail); + if( pList + && pList->nExpr > pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] + && !pParse->nested + ){ sqlite3ErrorMsg(pParse, "too many arguments on function %T", pToken); } pNew->x.pList = pList; ExprSetProperty(pNew, EP_HasFunc); - assert( !ExprHasProperty(pNew, EP_xIsSelect) ); + assert( ExprUseXList(pNew) ); sqlite3ExprSetHeightAndFlags(pParse, pNew); if( eDistinct==SF_Distinct ) ExprSetProperty(pNew, EP_Distinct); return pNew; @@ -100708,8 +108574,8 @@ SQLITE_PRIVATE Expr *sqlite3ExprFunction( */ SQLITE_PRIVATE void sqlite3ExprFunctionUsable( Parse *pParse, /* Parsing and code generating context */ - Expr *pExpr, /* The function invocation */ - FuncDef *pDef /* The function being invoked */ + const Expr *pExpr, /* The function invocation */ + const FuncDef *pDef /* The function being invoked */ ){ assert( !IN_RENAME_OBJECT ); assert( (pDef->funcFlags & (SQLITE_FUNC_DIRECT|SQLITE_FUNC_UNSAFE))!=0 ); @@ -100724,7 +108590,7 @@ SQLITE_PRIVATE void sqlite3ExprFunctionUsable( ** SQLITE_DBCONFIG_TRUSTED_SCHEMA is off (meaning ** that the schema is possibly tainted). */ - sqlite3ErrorMsg(pParse, "unsafe use of %s()", pDef->zName); + sqlite3ErrorMsg(pParse, "unsafe use of %#T()", pExpr); } } } @@ -100780,6 +108646,7 @@ SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse *pParse, Expr *pExpr, u32 n if( bOk==0 || i<1 || i>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){ sqlite3ErrorMsg(pParse, "variable number must be between ?1 and ?%d", db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER]); + sqlite3RecordErrorOffsetOfExpr(pParse->db, pExpr); return; } x = (ynVar)i; @@ -100807,6 +108674,7 @@ SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse *pParse, Expr *pExpr, u32 n pExpr->iColumn = x; if( x>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){ sqlite3ErrorMsg(pParse, "too many SQL variables"); + sqlite3RecordErrorOffsetOfExpr(pParse->db, pExpr); } } @@ -100815,27 +108683,27 @@ SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse *pParse, Expr *pExpr, u32 n */ static SQLITE_NOINLINE void sqlite3ExprDeleteNN(sqlite3 *db, Expr *p){ assert( p!=0 ); - /* Sanity check: Assert that the IntValue is non-negative if it exists */ - assert( !ExprHasProperty(p, EP_IntValue) || p->u.iValue>=0 ); - - assert( !ExprHasProperty(p, EP_WinFunc) || p->y.pWin!=0 || db->mallocFailed ); - assert( p->op!=TK_FUNCTION || ExprHasProperty(p, EP_TokenOnly|EP_Reduced) - || p->y.pWin==0 || ExprHasProperty(p, EP_WinFunc) ); + assert( db!=0 ); + assert( !ExprUseUValue(p) || p->u.iValue>=0 ); + assert( !ExprUseYWin(p) || !ExprUseYSub(p) ); + assert( !ExprUseYWin(p) || p->y.pWin!=0 || db->mallocFailed ); + assert( p->op!=TK_FUNCTION || !ExprUseYSub(p) ); #ifdef SQLITE_DEBUG if( ExprHasProperty(p, EP_Leaf) && !ExprHasProperty(p, EP_TokenOnly) ){ assert( p->pLeft==0 ); assert( p->pRight==0 ); - assert( p->x.pSelect==0 ); + assert( !ExprUseXSelect(p) || p->x.pSelect==0 ); + assert( !ExprUseXList(p) || p->x.pList==0 ); } #endif if( !ExprHasProperty(p, (EP_TokenOnly|EP_Leaf)) ){ /* The Expr.x union is never used at the same time as Expr.pRight */ - assert( p->x.pList==0 || p->pRight==0 ); + assert( (ExprUseXList(p) && p->x.pList==0) || p->pRight==0 ); if( p->pLeft && p->op!=TK_SELECT_COLUMN ) sqlite3ExprDeleteNN(db, p->pLeft); if( p->pRight ){ assert( !ExprHasProperty(p, EP_WinFunc) ); sqlite3ExprDeleteNN(db, p->pRight); - }else if( ExprHasProperty(p, EP_xIsSelect) ){ + }else if( ExprUseXSelect(p) ){ assert( !ExprHasProperty(p, EP_WinFunc) ); sqlite3SelectDelete(db, p->x.pSelect); }else{ @@ -100847,15 +108715,43 @@ static SQLITE_NOINLINE void sqlite3ExprDeleteNN(sqlite3 *db, Expr *p){ #endif } } - if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken); if( !ExprHasProperty(p, EP_Static) ){ - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } } SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3 *db, Expr *p){ if( p ) sqlite3ExprDeleteNN(db, p); } +/* +** Clear both elements of an OnOrUsing object +*/ +SQLITE_PRIVATE void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){ + if( p==0 ){ + /* Nothing to clear */ + }else if( p->pOn ){ + sqlite3ExprDeleteNN(db, p->pOn); + }else if( p->pUsing ){ + sqlite3IdListDelete(db, p->pUsing); + } +} + +/* +** Arrange to cause pExpr to be deleted when the pParse is deleted. +** This is similar to sqlite3ExprDelete() except that the delete is +** deferred until the pParse is deleted. +** +** The pExpr might be deleted immediately on an OOM error. +** +** The deferred delete is (currently) implemented by adding the +** pExpr to the pParse->pConstExpr list with a register number of 0. +*/ +SQLITE_PRIVATE void sqlite3ExprDeferredDelete(Parse *pParse, Expr *pExpr){ + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3ExprDelete, + pExpr); +} + /* Invoke sqlite3RenameExprUnmap() and sqlite3ExprDelete() on the ** expression. */ @@ -100873,7 +108769,7 @@ SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse *pParse, Expr *p){ ** passed as the first argument. This is always one of EXPR_FULLSIZE, ** EXPR_REDUCEDSIZE or EXPR_TOKENONLYSIZE. */ -static int exprStructSize(Expr *p){ +static int exprStructSize(const Expr *p){ if( ExprHasProperty(p, EP_TokenOnly) ) return EXPR_TOKENONLYSIZE; if( ExprHasProperty(p, EP_Reduced) ) return EXPR_REDUCEDSIZE; return EXPR_FULLSIZE; @@ -100913,7 +108809,7 @@ static int exprStructSize(Expr *p){ ** of dupedExprStructSize() contain multiple assert() statements that attempt ** to enforce this constraint. */ -static int dupedExprStructSize(Expr *p, int flags){ +static int dupedExprStructSize(const Expr *p, int flags){ int nSize; assert( flags==EXPRDUP_REDUCE || flags==0 ); /* Only one flag value allowed */ assert( EXPR_FULLSIZE<=0xfff ); @@ -100926,8 +108822,7 @@ static int dupedExprStructSize(Expr *p, int flags){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); - assert( !ExprHasProperty(p, EP_FromJoin) ); - assert( !ExprHasProperty(p, EP_MemToken) ); + assert( !ExprHasProperty(p, EP_OuterON) ); assert( !ExprHasVVAProperty(p, EP_NoReduce) ); if( p->pLeft || p->x.pList ){ nSize = EXPR_REDUCEDSIZE | EP_Reduced; @@ -100944,7 +108839,7 @@ static int dupedExprStructSize(Expr *p, int flags){ ** of the Expr structure and a copy of the Expr.u.zToken string (if that ** string is defined.) */ -static int dupedExprNodeSize(Expr *p, int flags){ +static int dupedExprNodeSize(const Expr *p, int flags){ int nByte = dupedExprStructSize(p, flags) & 0xfff; if( !ExprHasProperty(p, EP_IntValue) && p->u.zToken ){ nByte += sqlite3Strlen30NN(p->u.zToken)+1; @@ -100965,7 +108860,7 @@ static int dupedExprNodeSize(Expr *p, int flags){ ** and Expr.pRight variables (but not for any structures pointed to or ** descended from the Expr.x.pList or Expr.x.pSelect variables). */ -static int dupedExprSize(Expr *p, int flags){ +static int dupedExprSize(const Expr *p, int flags){ int nByte = 0; if( p ){ nByte = dupedExprNodeSize(p, flags); @@ -100984,7 +108879,7 @@ static int dupedExprSize(Expr *p, int flags){ ** if any. Before returning, *pzBuffer is set to the first byte past the ** portion of the buffer copied into by this function. */ -static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ +static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ Expr *pNew; /* Value to return */ u8 *zAlloc; /* Memory space from which to build Expr object */ u32 staticFlag; /* EP_Static if space not obtained from malloc */ @@ -100998,6 +108893,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ if( pzBuffer ){ zAlloc = *pzBuffer; staticFlag = EP_Static; + assert( zAlloc!=0 ); }else{ zAlloc = sqlite3DbMallocRawNN(db, dupedExprSize(p, dupFlags)); staticFlag = 0; @@ -101030,7 +108926,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ } /* Set the EP_Reduced, EP_TokenOnly, and EP_Static flags appropriately. */ - pNew->flags &= ~(EP_Reduced|EP_TokenOnly|EP_Static|EP_MemToken); + pNew->flags &= ~(EP_Reduced|EP_TokenOnly|EP_Static); pNew->flags |= nStructSize & (EP_Reduced|EP_TokenOnly); pNew->flags |= staticFlag; ExprClearVVAProperties(pNew); @@ -101046,7 +108942,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ if( 0==((p->flags|pNew->flags) & (EP_TokenOnly|EP_Leaf)) ){ /* Fill in the pNew->x.pSelect or pNew->x.pList member. */ - if( ExprHasProperty(p, EP_xIsSelect) ){ + if( ExprUseXSelect(p) ){ pNew->x.pSelect = sqlite3SelectDup(db, p->x.pSelect, dupFlags); }else{ pNew->x.pList = sqlite3ExprListDup(db, p->x.pList, dupFlags); @@ -101075,8 +108971,8 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ if( !ExprHasProperty(p, EP_TokenOnly|EP_Leaf) ){ if( pNew->op==TK_SELECT_COLUMN ){ pNew->pLeft = p->pLeft; - assert( p->iColumn==0 || p->pRight==0 ); - assert( p->pRight==0 || p->pRight==p->pLeft ); + assert( p->pRight==0 || p->pRight==p->pLeft + || ExprHasProperty(p->pLeft, EP_Subquery) ); }else{ pNew->pLeft = sqlite3ExprDup(db, p->pLeft, 0); } @@ -101093,7 +108989,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ ** and the db->mallocFailed flag set. */ #ifndef SQLITE_OMIT_CTE -static With *withDup(sqlite3 *db, With *p){ +SQLITE_PRIVATE With *sqlite3WithDup(sqlite3 *db, With *p){ With *pRet = 0; if( p ){ sqlite3_int64 nByte = sizeof(*p) + sizeof(p->a[0]) * (p->nCte-1); @@ -101105,13 +109001,14 @@ static With *withDup(sqlite3 *db, With *p){ pRet->a[i].pSelect = sqlite3SelectDup(db, p->a[i].pSelect, 0); pRet->a[i].pCols = sqlite3ExprListDup(db, p->a[i].pCols, 0); pRet->a[i].zName = sqlite3DbStrDup(db, p->a[i].zName); + pRet->a[i].eM10d = p->a[i].eM10d; } } } return pRet; } #else -# define withDup(x,y) 0 +# define sqlite3WithDup(x,y) 0 #endif #ifndef SQLITE_OMIT_WINDOWFUNC @@ -101164,20 +109061,23 @@ static void gatherSelectWindows(Select *p){ ** truncated version of the usual Expr structure that will be stored as ** part of the in-memory representation of the database schema. */ -SQLITE_PRIVATE Expr *sqlite3ExprDup(sqlite3 *db, Expr *p, int flags){ +SQLITE_PRIVATE Expr *sqlite3ExprDup(sqlite3 *db, const Expr *p, int flags){ assert( flags==0 || flags==EXPRDUP_REDUCE ); return p ? exprDup(db, p, flags, 0) : 0; } -SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags){ +SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, const ExprList *p, int flags){ ExprList *pNew; - struct ExprList_item *pItem, *pOldItem; + struct ExprList_item *pItem; + const struct ExprList_item *pOldItem; int i; - Expr *pPriorSelectCol = 0; + Expr *pPriorSelectColOld = 0; + Expr *pPriorSelectColNew = 0; assert( db!=0 ); if( p==0 ) return 0; pNew = sqlite3DbMallocRawNN(db, sqlite3DbMallocSize(db, p)); if( pNew==0 ) return 0; pNew->nExpr = p->nExpr; + pNew->nAlloc = p->nAlloc; pItem = pNew->a; pOldItem = p->a; for(i=0; inExpr; i++, pItem++, pOldItem++){ @@ -101188,24 +109088,22 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) && pOldExpr->op==TK_SELECT_COLUMN && (pNewExpr = pItem->pExpr)!=0 ){ - assert( pNewExpr->iColumn==0 || i>0 ); - if( pNewExpr->iColumn==0 ){ - assert( pOldExpr->pLeft==pOldExpr->pRight ); - pPriorSelectCol = pNewExpr->pLeft = pNewExpr->pRight; + if( pNewExpr->pRight ){ + pPriorSelectColOld = pOldExpr->pRight; + pPriorSelectColNew = pNewExpr->pRight; + pNewExpr->pLeft = pNewExpr->pRight; }else{ - assert( i>0 ); - assert( pItem[-1].pExpr!=0 ); - assert( pNewExpr->iColumn==pItem[-1].pExpr->iColumn+1 ); - assert( pPriorSelectCol==pItem[-1].pExpr->pLeft ); - pNewExpr->pLeft = pPriorSelectCol; + if( pOldExpr->pLeft!=pPriorSelectColOld ){ + pPriorSelectColOld = pOldExpr->pLeft; + pPriorSelectColNew = sqlite3ExprDup(db, pPriorSelectColOld, flags); + pNewExpr->pRight = pPriorSelectColNew; + } + pNewExpr->pLeft = pPriorSelectColNew; } } pItem->zEName = sqlite3DbStrDup(db, pOldItem->zEName); - pItem->sortFlags = pOldItem->sortFlags; - pItem->eEName = pOldItem->eEName; - pItem->done = 0; - pItem->bNulls = pOldItem->bNulls; - pItem->bSorterRef = pOldItem->bSorterRef; + pItem->fg = pOldItem->fg; + pItem->fg.done = 0; pItem->u = pOldItem->u; } return pNew; @@ -101219,7 +109117,7 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) */ #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) \ || !defined(SQLITE_OMIT_SUBQUERY) -SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){ +SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, const SrcList *p, int flags){ SrcList *pNew; int i; int nByte; @@ -101230,8 +109128,8 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){ if( pNew==0 ) return 0; pNew->nSrc = pNew->nAlloc = p->nSrc; for(i=0; inSrc; i++){ - struct SrcList_item *pNewItem = &pNew->a[i]; - struct SrcList_item *pOldItem = &p->a[i]; + SrcItem *pNewItem = &pNew->a[i]; + const SrcItem *pOldItem = &p->a[i]; Table *pTab; pNewItem->pSchema = pOldItem->pSchema; pNewItem->zDatabase = sqlite3DbStrDup(db, pOldItem->zDatabase); @@ -101244,7 +109142,10 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){ if( pNewItem->fg.isIndexedBy ){ pNewItem->u1.zIndexedBy = sqlite3DbStrDup(db, pOldItem->u1.zIndexedBy); } - pNewItem->pIBIndex = pOldItem->pIBIndex; + pNewItem->u2 = pOldItem->u2; + if( pNewItem->fg.isCte ){ + pNewItem->u2.pCteUse->nUse++; + } if( pNewItem->fg.isTabFunc ){ pNewItem->u1.pFuncArg = sqlite3ExprListDup(db, pOldItem->u1.pFuncArg, flags); @@ -101254,41 +109155,39 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){ pTab->nTabRef++; } pNewItem->pSelect = sqlite3SelectDup(db, pOldItem->pSelect, flags); - pNewItem->pOn = sqlite3ExprDup(db, pOldItem->pOn, flags); - pNewItem->pUsing = sqlite3IdListDup(db, pOldItem->pUsing); + if( pOldItem->fg.isUsing ){ + assert( pNewItem->fg.isUsing ); + pNewItem->u3.pUsing = sqlite3IdListDup(db, pOldItem->u3.pUsing); + }else{ + pNewItem->u3.pOn = sqlite3ExprDup(db, pOldItem->u3.pOn, flags); + } pNewItem->colUsed = pOldItem->colUsed; } return pNew; } -SQLITE_PRIVATE IdList *sqlite3IdListDup(sqlite3 *db, IdList *p){ +SQLITE_PRIVATE IdList *sqlite3IdListDup(sqlite3 *db, const IdList *p){ IdList *pNew; int i; assert( db!=0 ); if( p==0 ) return 0; - pNew = sqlite3DbMallocRawNN(db, sizeof(*pNew) ); + assert( p->eU4!=EU4_EXPR ); + pNew = sqlite3DbMallocRawNN(db, sizeof(*pNew)+(p->nId-1)*sizeof(p->a[0]) ); if( pNew==0 ) return 0; pNew->nId = p->nId; - pNew->a = sqlite3DbMallocRawNN(db, p->nId*sizeof(p->a[0]) ); - if( pNew->a==0 ){ - sqlite3DbFreeNN(db, pNew); - return 0; - } - /* Note that because the size of the allocation for p->a[] is not - ** necessarily a power of two, sqlite3IdListAppend() may not be called - ** on the duplicate created by this function. */ + pNew->eU4 = p->eU4; for(i=0; inId; i++){ struct IdList_item *pNewItem = &pNew->a[i]; - struct IdList_item *pOldItem = &p->a[i]; + const struct IdList_item *pOldItem = &p->a[i]; pNewItem->zName = sqlite3DbStrDup(db, pOldItem->zName); - pNewItem->idx = pOldItem->idx; + pNewItem->u4 = pOldItem->u4; } return pNew; } -SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, Select *pDup, int flags){ +SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, const Select *pDup, int flags){ Select *pRet = 0; Select *pNext = 0; Select **pp = &pRet; - Select *p; + const Select *p; assert( db!=0 ); for(p=pDup; p; p=p->pPrior){ @@ -101310,13 +109209,21 @@ SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, Select *pDup, int flags){ pNew->addrOpenEphm[0] = -1; pNew->addrOpenEphm[1] = -1; pNew->nSelectRow = p->nSelectRow; - pNew->pWith = withDup(db, p->pWith); + pNew->pWith = sqlite3WithDup(db, p->pWith); #ifndef SQLITE_OMIT_WINDOWFUNC pNew->pWin = 0; pNew->pWinDefn = sqlite3WindowListDup(db, p->pWinDefn); if( p->pWin && db->mallocFailed==0 ) gatherSelectWindows(pNew); #endif pNew->selId = p->selId; + if( db->mallocFailed ){ + /* Any prior OOM might have left the Select object incomplete. + ** Delete the whole thing rather than allow an incomplete Select + ** to be used by the code generator. */ + pNew->pNext = 0; + sqlite3SelectDelete(db, pNew); + break; + } *pp = pNew; pp = &pNew->pPrior; pNext = pNew; @@ -101325,7 +109232,7 @@ SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, Select *pDup, int flags){ return pRet; } #else -SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, Select *p, int flags){ +SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, const Select *p, int flags){ assert( p==0 ); return 0; } @@ -101347,41 +109254,64 @@ SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, Select *p, int flags){ ** NULL is returned. If non-NULL is returned, then it is guaranteed ** that the new entry was successfully appended. */ +static const struct ExprList_item zeroItem = {0}; +SQLITE_PRIVATE SQLITE_NOINLINE ExprList *sqlite3ExprListAppendNew( + sqlite3 *db, /* Database handle. Used for memory allocation */ + Expr *pExpr /* Expression to be appended. Might be NULL */ +){ + struct ExprList_item *pItem; + ExprList *pList; + + pList = sqlite3DbMallocRawNN(db, sizeof(ExprList)+sizeof(pList->a[0])*4 ); + if( pList==0 ){ + sqlite3ExprDelete(db, pExpr); + return 0; + } + pList->nAlloc = 4; + pList->nExpr = 1; + pItem = &pList->a[0]; + *pItem = zeroItem; + pItem->pExpr = pExpr; + return pList; +} +SQLITE_PRIVATE SQLITE_NOINLINE ExprList *sqlite3ExprListAppendGrow( + sqlite3 *db, /* Database handle. Used for memory allocation */ + ExprList *pList, /* List to which to append. Might be NULL */ + Expr *pExpr /* Expression to be appended. Might be NULL */ +){ + struct ExprList_item *pItem; + ExprList *pNew; + pList->nAlloc *= 2; + pNew = sqlite3DbRealloc(db, pList, + sizeof(*pList)+(pList->nAlloc-1)*sizeof(pList->a[0])); + if( pNew==0 ){ + sqlite3ExprListDelete(db, pList); + sqlite3ExprDelete(db, pExpr); + return 0; + }else{ + pList = pNew; + } + pItem = &pList->a[pList->nExpr++]; + *pItem = zeroItem; + pItem->pExpr = pExpr; + return pList; +} SQLITE_PRIVATE ExprList *sqlite3ExprListAppend( Parse *pParse, /* Parsing context */ ExprList *pList, /* List to which to append. Might be NULL */ Expr *pExpr /* Expression to be appended. Might be NULL */ ){ struct ExprList_item *pItem; - sqlite3 *db = pParse->db; - assert( db!=0 ); if( pList==0 ){ - pList = sqlite3DbMallocRawNN(db, sizeof(ExprList) ); - if( pList==0 ){ - goto no_mem; - } - pList->nExpr = 0; - }else if( (pList->nExpr & (pList->nExpr-1))==0 ){ - ExprList *pNew; - pNew = sqlite3DbRealloc(db, pList, - sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0])); - if( pNew==0 ){ - goto no_mem; - } - pList = pNew; + return sqlite3ExprListAppendNew(pParse->db,pExpr); + } + if( pList->nAllocnExpr+1 ){ + return sqlite3ExprListAppendGrow(pParse->db,pList,pExpr); } pItem = &pList->a[pList->nExpr++]; - assert( offsetof(struct ExprList_item,zEName)==sizeof(pItem->pExpr) ); - assert( offsetof(struct ExprList_item,pExpr)==0 ); - memset(&pItem->zEName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zEName)); + *pItem = zeroItem; pItem->pExpr = pExpr; return pList; - -no_mem: - /* Avoid leaking memory if malloc has failed. */ - sqlite3ExprDelete(db, pExpr); - sqlite3ExprListDelete(db, pList); - return 0; } /* @@ -101422,11 +109352,9 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector( } for(i=0; inId; i++){ - Expr *pSubExpr = sqlite3ExprForVectorField(pParse, pExpr, i); + Expr *pSubExpr = sqlite3ExprForVectorField(pParse, pExpr, i, pColumns->nId); assert( pSubExpr!=0 || db->mallocFailed ); - assert( pSubExpr==0 || pSubExpr->iTable==0 ); if( pSubExpr==0 ) continue; - pSubExpr->iTable = pColumns->nId; pList = sqlite3ExprListAppend(pParse, pList, pSubExpr); if( pList ){ assert( pList->nExpr==iFirst+i+1 ); @@ -101475,16 +109403,16 @@ SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder, int ); pItem = &p->a[p->nExpr-1]; - assert( pItem->bNulls==0 ); + assert( pItem->fg.bNulls==0 ); if( iSortOrder==SQLITE_SO_UNDEFINED ){ iSortOrder = SQLITE_SO_ASC; } - pItem->sortFlags = (u8)iSortOrder; + pItem->fg.sortFlags = (u8)iSortOrder; if( eNulls!=SQLITE_SO_UNDEFINED ){ - pItem->bNulls = 1; + pItem->fg.bNulls = 1; if( iSortOrder!=eNulls ){ - pItem->sortFlags |= KEYINFO_ORDER_BIGNULL; + pItem->fg.sortFlags |= KEYINFO_ORDER_BIGNULL; } } } @@ -101500,7 +109428,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder, int SQLITE_PRIVATE void sqlite3ExprListSetName( Parse *pParse, /* Parsing context */ ExprList *pList, /* List to which to add the span. */ - Token *pName, /* Name to be added */ + const Token *pName, /* Name to be added */ int dequote /* True to cause the name to be dequoted */ ){ assert( pList!=0 || pParse->db->mallocFailed!=0 ); @@ -101510,7 +109438,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetName( assert( pList->nExpr>0 ); pItem = &pList->a[pList->nExpr-1]; assert( pItem->zEName==0 ); - assert( pItem->eEName==ENAME_NAME ); + assert( pItem->fg.eEName==ENAME_NAME ); pItem->zEName = sqlite3DbStrNDup(pParse->db, pName->z, pName->n); if( dequote ){ /* If dequote==0, then pName->z does not point to part of a DDL @@ -101518,7 +109446,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetName( ** to the token-map. */ sqlite3Dequote(pItem->zEName); if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenMap(pParse, (void*)pItem->zEName, pName); + sqlite3RenameTokenMap(pParse, (const void*)pItem->zEName, pName); } } } @@ -101545,7 +109473,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetSpan( assert( pList->nExpr>0 ); if( pItem->zEName==0 ){ pItem->zEName = sqlite3DbSpanDup(db, zStart, zEnd); - pItem->eEName = ENAME_SPAN; + pItem->fg.eEName = ENAME_SPAN; } } } @@ -101574,12 +109502,13 @@ static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){ int i = pList->nExpr; struct ExprList_item *pItem = pList->a; assert( pList->nExpr>0 ); + assert( db!=0 ); do{ sqlite3ExprDelete(db, pItem->pExpr); - sqlite3DbFree(db, pItem->zEName); + if( pItem->zEName ) sqlite3DbNNFreeNN(db, pItem->zEName); pItem++; }while( --i>0 ); - sqlite3DbFreeNN(db, pList); + sqlite3DbNNFreeNN(db, pList); } SQLITE_PRIVATE void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){ if( pList ) exprListDeleteNN(db, pList); @@ -101637,7 +109566,7 @@ SQLITE_PRIVATE u32 sqlite3IsTrueOrFalse(const char *zIn){ SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr *pExpr){ u32 v; assert( pExpr->op==TK_ID || pExpr->op==TK_STRING ); - if( !ExprHasProperty(pExpr, EP_Quoted) + if( !ExprHasProperty(pExpr, EP_Quoted|EP_IntValue) && (v = sqlite3IsTrueOrFalse(pExpr->u.zToken))!=0 ){ pExpr->op = TK_TRUEFALSE; @@ -101652,8 +109581,9 @@ SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr *pExpr){ ** and 0 if it is FALSE. */ SQLITE_PRIVATE int sqlite3ExprTruthValue(const Expr *pExpr){ - pExpr = sqlite3ExprSkipCollate((Expr*)pExpr); + pExpr = sqlite3ExprSkipCollateAndLikely((Expr*)pExpr); assert( pExpr->op==TK_TRUEFALSE ); + assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( sqlite3StrICmp(pExpr->u.zToken,"true")==0 || sqlite3StrICmp(pExpr->u.zToken,"false")==0 ); return pExpr->u.zToken[4]==0; @@ -101716,9 +109646,9 @@ SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr *pExpr){ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){ /* If pWalker->eCode is 2 then any term of the expression that comes from - ** the ON or USING clauses of a left join disqualifies the expression + ** the ON or USING clauses of an outer join disqualifies the expression ** from being considered constant. */ - if( pWalker->eCode==2 && ExprHasProperty(pExpr, EP_FromJoin) ){ + if( pWalker->eCode==2 && ExprHasProperty(pExpr, EP_OuterON) ){ pWalker->eCode = 0; return WRC_Abort; } @@ -101837,6 +109767,78 @@ SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr *p, int iCur){ return exprIsConst(p, 3, iCur); } +/* +** Check pExpr to see if it is an constraint on the single data source +** pSrc = &pSrcList->a[iSrc]. In other words, check to see if pExpr +** constrains pSrc but does not depend on any other tables or data +** sources anywhere else in the query. Return true (non-zero) if pExpr +** is a constraint on pSrc only. +** +** This is an optimization. False negatives will perhaps cause slower +** queries, but false positives will yield incorrect answers. So when in +** doubt, return 0. +** +** To be an single-source constraint, the following must be true: +** +** (1) pExpr cannot refer to any table other than pSrc->iCursor. +** +** (2) pExpr cannot use subqueries or non-deterministic functions. +** +** (3) pSrc cannot be part of the left operand for a RIGHT JOIN. +** (Is there some way to relax this constraint?) +** +** (4) If pSrc is the right operand of a LEFT JOIN, then... +** (4a) pExpr must come from an ON clause.. +** (4b) and specifically the ON clause associated with the LEFT JOIN. +** +** (5) If pSrc is not the right operand of a LEFT JOIN or the left +** operand of a RIGHT JOIN, then pExpr must be from the WHERE +** clause, not an ON clause. +** +** (6) Either: +** +** (6a) pExpr does not originate in an ON or USING clause, or +** +** (6b) The ON or USING clause from which pExpr is derived is +** not to the left of a RIGHT JOIN (or FULL JOIN). +** +** Without this restriction, accepting pExpr as a single-table +** constraint might move the the ON/USING filter expression +** from the left side of a RIGHT JOIN over to the right side, +** which leads to incorrect answers. See also restriction (9) +** on push-down. +*/ +SQLITE_PRIVATE int sqlite3ExprIsSingleTableConstraint( + Expr *pExpr, /* The constraint */ + const SrcList *pSrcList, /* Complete FROM clause */ + int iSrc /* Which element of pSrcList to use */ +){ + const SrcItem *pSrc = &pSrcList->a[iSrc]; + if( pSrc->fg.jointype & JT_LTORJ ){ + return 0; /* rule (3) */ + } + if( pSrc->fg.jointype & JT_LEFT ){ + if( !ExprHasProperty(pExpr, EP_OuterON) ) return 0; /* rule (4a) */ + if( pExpr->w.iJoin!=pSrc->iCursor ) return 0; /* rule (4b) */ + }else{ + if( ExprHasProperty(pExpr, EP_OuterON) ) return 0; /* rule (5) */ + } + if( ExprHasProperty(pExpr, EP_OuterON|EP_InnerON) /* (6a) */ + && (pSrcList->a[0].fg.jointype & JT_LTORJ)!=0 /* Fast pre-test of (6b) */ + ){ + int jj; + for(jj=0; jjw.iJoin==pSrcList->a[jj].iCursor ){ + if( (pSrcList->a[jj].fg.jointype & JT_LTORJ)!=0 ){ + return 0; /* restriction (6) */ + } + break; + } + } + } + return sqlite3ExprIsTableConstant(pExpr, pSrc->iCursor); /* rules (1), (2) */ +} + /* ** sqlite3WalkExpr() callback used by sqlite3ExprIsConstantOrGroupBy(). @@ -101858,7 +109860,7 @@ static int exprNodeIsConstantOrGroupBy(Walker *pWalker, Expr *pExpr){ } /* Check if pExpr is a sub-select. If so, consider it variable. */ - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ pWalker->eCode = 0; return WRC_Abort; } @@ -101946,7 +109948,7 @@ SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr *p){ ** in *pValue. If the expression is not an integer or if it is too big ** to fit in a signed 32-bit integer, return 0 and leave *pValue unchanged. */ -SQLITE_PRIVATE int sqlite3ExprIsInteger(Expr *p, int *pValue){ +SQLITE_PRIVATE int sqlite3ExprIsInteger(const Expr *p, int *pValue){ int rc = 0; if( NEVER(p==0) ) return 0; /* Used to only happen following on OOM */ @@ -101965,9 +109967,9 @@ SQLITE_PRIVATE int sqlite3ExprIsInteger(Expr *p, int *pValue){ break; } case TK_UMINUS: { - int v; + int v = 0; if( sqlite3ExprIsInteger(p->pLeft, &v) ){ - assert( v!=(-2147483647-1) ); + assert( ((unsigned int)v)!=0x80000000 ); *pValue = -v; rc = 1; } @@ -101994,8 +109996,10 @@ SQLITE_PRIVATE int sqlite3ExprIsInteger(Expr *p, int *pValue){ */ SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr *p){ u8 op; + assert( p!=0 ); while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; + assert( p!=0 ); } op = p->op; if( op==TK_REGISTER ) op = p->op2; @@ -102006,10 +110010,11 @@ SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr *p){ case TK_BLOB: return 0; case TK_COLUMN: + assert( ExprUseYTab(p) ); return ExprHasProperty(p, EP_CanBeNull) || p->y.pTab==0 || /* Reference to column of index on expression */ (p->iColumn>=0 - && ALWAYS(p->y.pTab->aCol!=0) /* Defense against OOM problems */ + && p->y.pTab->aCol!=0 /* Possible due to prior error */ && p->y.pTab->aCol[p->iColumn].notNull==0); default: return 1; @@ -102073,17 +110078,17 @@ SQLITE_PRIVATE int sqlite3IsRowid(const char *z){ ** pX is the RHS of an IN operator. If pX is a SELECT statement ** that can be simplified to a direct table access, then return ** a pointer to the SELECT statement. If pX is not a SELECT statement, -** or if the SELECT statement needs to be manifested into a transient +** or if the SELECT statement needs to be materialized into a transient ** table, then return NULL. */ #ifndef SQLITE_OMIT_SUBQUERY -static Select *isCandidateForInOpt(Expr *pX){ +static Select *isCandidateForInOpt(const Expr *pX){ Select *p; SrcList *pSrc; ExprList *pEList; Table *pTab; int i; - if( !ExprHasProperty(pX, EP_xIsSelect) ) return 0; /* Not a subquery */ + if( !ExprUseXSelect(pX) ) return 0; /* Not a subquery */ if( ExprHasProperty(pX, EP_VarSelect) ) return 0; /* Correlated subq */ p = pX->x.pSelect; if( p->pPrior ) return 0; /* Not a compound SELECT */ @@ -102101,7 +110106,7 @@ static Select *isCandidateForInOpt(Expr *pX){ if( pSrc->a[0].pSelect ) return 0; /* FROM is not a subquery or view */ pTab = pSrc->a[0].pTab; assert( pTab!=0 ); - assert( pTab->pSelect==0 ); /* FROM clause is not a view */ + assert( !IsView(pTab) ); /* FROM clause is not a view */ if( IsVirtual(pTab) ) return 0; /* FROM clause not a virtual table */ pEList = p->pEList; assert( pEList!=0 ); @@ -102161,7 +110166,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** all members of the RHS set, skipping duplicates. ** ** A cursor is opened on the b-tree object that is the RHS of the IN operator -** and pX->iTable is set to the index of that cursor. +** and the *piTab parameter is set to the index of that cursor. ** ** The returned value of this function indicates the b-tree type, as follows: ** @@ -102169,7 +110174,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** IN_INDEX_INDEX_ASC - The cursor was opened on an ascending index. ** IN_INDEX_INDEX_DESC - The cursor was opened on a descending index. ** IN_INDEX_EPH - The cursor was opened on a specially created and -** populated epheremal table. +** populated ephemeral table. ** IN_INDEX_NOOP - No cursor was allocated. The IN operator must be ** implemented as a sequence of comparisons. ** @@ -102181,7 +110186,10 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** If the RHS of the IN operator is a list or a more complex subquery, then ** an ephemeral table might need to be generated from the RHS and then ** pX->iTable made to point to the ephemeral table instead of an -** existing table. +** existing table. In this case, the creation and initialization of the +** ephemeral table might be put inside of a subroutine, the EP_Subrtn flag +** will be set on pX and the pX->y.sub fields will be set to show where +** the subroutine is coded. ** ** The inFlags parameter must contain, at a minimum, one of the bits ** IN_INDEX_MEMBERSHIP or IN_INDEX_LOOP but not both. If inFlags contains @@ -102191,12 +110199,12 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** ** When IN_INDEX_LOOP is used (and the b-tree will be used to iterate ** through the set members) then the b-tree must not contain duplicates. -** An epheremal table will be created unless the selected columns are guaranteed +** An ephemeral table will be created unless the selected columns are guaranteed ** to be unique - either because it is an INTEGER PRIMARY KEY or due to ** a UNIQUE constraint or index. ** ** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used -** for fast set membership tests) then an epheremal table must +** for fast set membership tests) then an ephemeral table must ** be used unless is a single INTEGER PRIMARY KEY column or an ** index can be found with the specified as its left-most. ** @@ -102242,19 +110250,20 @@ SQLITE_PRIVATE int sqlite3FindInIndex( ){ Select *p; /* SELECT to the right of IN operator */ int eType = 0; /* Type of RHS table. IN_INDEX_* */ - int iTab = pParse->nTab++; /* Cursor of the RHS table */ + int iTab; /* Cursor of the RHS table */ int mustBeUnique; /* True if RHS must be unique */ Vdbe *v = sqlite3GetVdbe(pParse); /* Virtual machine being coded */ assert( pX->op==TK_IN ); mustBeUnique = (inFlags & IN_INDEX_LOOP)!=0; + iTab = pParse->nTab++; /* If the RHS of this IN(...) operator is a SELECT, and if it matters ** whether or not the SELECT result contains NULL values, check whether ** or not NULL is actually possible (it may not be, for example, due ** to NOT NULL constraints in the schema). If no NULL values are possible, ** set prRhsHasNull to 0 before continuing. */ - if( prRhsHasNull && (pX->flags & EP_xIsSelect) ){ + if( prRhsHasNull && ExprUseXSelect(pX) ){ int i; ExprList *pEList = pX->x.pSelect->pEList; for(i=0; inExpr; i++){ @@ -102282,7 +110291,7 @@ SQLITE_PRIVATE int sqlite3FindInIndex( /* Code an OP_Transaction and OP_TableLock for . */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); - assert( iDb>=0 && iDb=0 && iDbtnum, 0, pTab->zName); @@ -102355,7 +110364,6 @@ SQLITE_PRIVATE int sqlite3FindInIndex( CollSeq *pReq = sqlite3BinaryCompareCollSeq(pParse, pLhs, pRhs); int j; - assert( pReq!=0 || pRhs->iColumn==XN_ROWID || pParse->nErr ); for(j=0; jaiColumn[j]!=pRhs->iColumn ) continue; assert( pIdx->azColl[j] ); @@ -102410,9 +110418,11 @@ SQLITE_PRIVATE int sqlite3FindInIndex( */ if( eType==0 && (inFlags & IN_INDEX_NOOP_OK) - && !ExprHasProperty(pX, EP_xIsSelect) + && ExprUseXList(pX) && (!sqlite3InRhsIsConstant(pX) || pX->x.pList->nExpr<=2) ){ + pParse->nTab--; /* Back out the allocation of the unused cursor */ + iTab = -1; /* Cursor is not allocated */ eType = IN_INDEX_NOOP; } @@ -102455,10 +110465,10 @@ SQLITE_PRIVATE int sqlite3FindInIndex( ** It is the responsibility of the caller to ensure that the returned ** string is eventually freed using sqlite3DbFree(). */ -static char *exprINAffinity(Parse *pParse, Expr *pExpr){ +static char *exprINAffinity(Parse *pParse, const Expr *pExpr){ Expr *pLeft = pExpr->pLeft; int nVal = sqlite3ExprVectorSize(pLeft); - Select *pSelect = (pExpr->flags & EP_xIsSelect) ? pExpr->x.pSelect : 0; + Select *pSelect = ExprUseXSelect(pExpr) ? pExpr->x.pSelect : 0; char *zRet; assert( pExpr->op==TK_IN ); @@ -102508,7 +110518,7 @@ SQLITE_PRIVATE void sqlite3SubselectError(Parse *pParse, int nActual, int nExpec */ SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY - if( pExpr->flags & EP_xIsSelect ){ + if( ExprUseXSelect(pExpr) ){ sqlite3SubselectError(pParse, pExpr->x.pSelect->pEList->nExpr, 1); }else #endif @@ -102527,7 +110537,7 @@ SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ ** x IN (SELECT a FROM b) -- IN operator with subquery on the right ** ** The pExpr parameter is the IN operator. The cursor number for the -** constructed ephermeral table is returned. The first time the ephemeral +** constructed ephemeral table is returned. The first time the ephemeral ** table is computed, the cursor number is also stored in pExpr->iTable, ** however the cursor number returned might not be the same, as it might ** have been duplicated using OP_OpenDup. @@ -102572,24 +110582,26 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( */ if( ExprHasProperty(pExpr, EP_Subrtn) ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ ExplainQueryPlan((pParse, 0, "REUSE LIST SUBQUERY %d", pExpr->x.pSelect->selId)); } + assert( ExprUseYSub(pExpr) ); sqlite3VdbeAddOp2(v, OP_Gosub, pExpr->y.sub.regReturn, pExpr->y.sub.iAddr); + assert( iTab!=pExpr->iTable ); sqlite3VdbeAddOp2(v, OP_OpenDup, iTab, pExpr->iTable); sqlite3VdbeJumpHere(v, addrOnce); return; } /* Begin coding the subroutine */ + assert( !ExprUseYWin(pExpr) ); ExprSetProperty(pExpr, EP_Subrtn); assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); pExpr->y.sub.regReturn = ++pParse->nMem; pExpr->y.sub.iAddr = - sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1; - VdbeComment((v, "return address")); + sqlite3VdbeAddOp2(v, OP_BeginSubrtn, 0, pExpr->y.sub.regReturn) + 1; addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } @@ -102604,7 +110616,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( pExpr->iTable = iTab; addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pExpr->iTable, nVal); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ VdbeComment((v, "Result of SELECT %u", pExpr->x.pSelect->selId)); }else{ VdbeComment((v, "RHS of IN operator")); @@ -102612,7 +110624,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( #endif pKeyInfo = sqlite3KeyInfoAlloc(pParse->db, nVal, 1); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ /* Case 1: expr IN (SELECT ...) ** ** Generate code to write the results of the select into the temporary @@ -102627,19 +110639,23 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( /* If the LHS and RHS of the IN operator do not match, that ** error will have been caught long before we reach this point. */ if( ALWAYS(pEList->nExpr==nVal) ){ + Select *pCopy; SelectDest dest; int i; + int rc; sqlite3SelectDestInit(&dest, SRT_Set, iTab); dest.zAffSdst = exprINAffinity(pParse, pExpr); pSelect->iLimit = 0; testcase( pSelect->selFlags & SF_Distinct ); testcase( pKeyInfo==0 ); /* Caused by OOM in sqlite3KeyInfoAlloc() */ - if( sqlite3Select(pParse, pSelect, &dest) ){ - sqlite3DbFree(pParse->db, dest.zAffSdst); + pCopy = sqlite3SelectDup(pParse->db, pSelect, 0); + rc = pParse->db->mallocFailed ? 1 :sqlite3Select(pParse, pCopy, &dest); + sqlite3SelectDelete(pParse->db, pCopy); + sqlite3DbFree(pParse->db, dest.zAffSdst); + if( rc ){ sqlite3KeyInfoUnref(pKeyInfo); return; } - sqlite3DbFree(pParse->db, dest.zAffSdst); assert( pKeyInfo!=0 ); /* OOM will cause exit after sqlite3Select() */ assert( pEList!=0 ); assert( pEList->nExpr>0 ); @@ -102687,6 +110703,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( ** expression we need to rerun this code each time. */ if( addrOnce && !sqlite3ExprIsConstant(pE2) ){ + sqlite3VdbeChangeToNoop(v, addrOnce-1); sqlite3VdbeChangeToNoop(v, addrOnce); ExprClearProperty(pExpr, EP_Subrtn); addrOnce = 0; @@ -102704,10 +110721,15 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO); } if( addrOnce ){ + sqlite3VdbeAddOp1(v, OP_NullRow, iTab); sqlite3VdbeJumpHere(v, addrOnce); /* Subroutine return */ - sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn); - sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1); + assert( ExprUseYSub(pExpr) ); + assert( sqlite3VdbeGetOp(v,pExpr->y.sub.iAddr-1)->opcode==OP_BeginSubrtn + || pParse->nErr ); + sqlite3VdbeAddOp3(v, OP_Return, pExpr->y.sub.regReturn, + pExpr->y.sub.iAddr, 1); + VdbeCoverage(v); sqlite3ClearTempRegCache(pParse); } } @@ -102735,15 +110757,37 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ SelectDest dest; /* How to deal with SELECT result */ int nReg; /* Registers to allocate */ Expr *pLimit; /* New limit expression */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; /* Address of OP_Explain instruction */ +#endif Vdbe *v = pParse->pVdbe; assert( v!=0 ); + if( pParse->nErr ) return 0; testcase( pExpr->op==TK_EXISTS ); testcase( pExpr->op==TK_SELECT ); assert( pExpr->op==TK_EXISTS || pExpr->op==TK_SELECT ); - assert( ExprHasProperty(pExpr, EP_xIsSelect) ); + assert( ExprUseXSelect(pExpr) ); pSel = pExpr->x.pSelect; + /* If this routine has already been coded, then invoke it as a + ** subroutine. */ + if( ExprHasProperty(pExpr, EP_Subrtn) ){ + ExplainQueryPlan((pParse, 0, "REUSE SUBQUERY %d", pSel->selId)); + assert( ExprUseYSub(pExpr) ); + sqlite3VdbeAddOp2(v, OP_Gosub, pExpr->y.sub.regReturn, + pExpr->y.sub.iAddr); + return pExpr->iTable; + } + + /* Begin coding the subroutine */ + assert( !ExprUseYWin(pExpr) ); + assert( !ExprHasProperty(pExpr, EP_Reduced|EP_TokenOnly) ); + ExprSetProperty(pExpr, EP_Subrtn); + pExpr->y.sub.regReturn = ++pParse->nMem; + pExpr->y.sub.iAddr = + sqlite3VdbeAddOp2(v, OP_BeginSubrtn, 0, pExpr->y.sub.regReturn) + 1; + /* The evaluation of the EXISTS/SELECT must be repeated every time it ** is encountered if any of the following is true: ** @@ -102755,22 +110799,6 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ ** save the results, and reuse the same result on subsequent invocations. */ if( !ExprHasProperty(pExpr, EP_VarSelect) ){ - /* If this routine has already been coded, then invoke it as a - ** subroutine. */ - if( ExprHasProperty(pExpr, EP_Subrtn) ){ - ExplainQueryPlan((pParse, 0, "REUSE SUBQUERY %d", pSel->selId)); - sqlite3VdbeAddOp2(v, OP_Gosub, pExpr->y.sub.regReturn, - pExpr->y.sub.iAddr); - return pExpr->iTable; - } - - /* Begin coding the subroutine */ - ExprSetProperty(pExpr, EP_Subrtn); - pExpr->y.sub.regReturn = ++pParse->nMem; - pExpr->y.sub.iAddr = - sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1; - VdbeComment((v, "return address")); - addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } @@ -102784,8 +110812,9 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ ** In both cases, the query is augmented with "LIMIT 1". Any ** preexisting limit is discarded in place of the new LIMIT 1. */ - ExplainQueryPlan((pParse, 1, "%sSCALAR SUBQUERY %d", + ExplainQueryPlan2(addrExplain, (pParse, 1, "%sSCALAR SUBQUERY %d", addrOnce?"":"CORRELATED ", pSel->selId)); + sqlite3VdbeScanStatusCounters(v, addrExplain, addrExplain, -1); nReg = pExpr->op==TK_SELECT ? pSel->pEList->nExpr : 1; sqlite3SelectDestInit(&dest, 0, pParse->nMem+1); pParse->nMem += nReg; @@ -102810,7 +110839,7 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ pLimit = sqlite3PExpr(pParse, TK_NE, sqlite3ExprDup(db, pSel->pLimit->pLeft, 0), pLimit); } - sqlite3ExprDelete(db, pSel->pLimit->pLeft); + sqlite3ExprDeferredDelete(pParse, pSel->pLimit->pLeft); pSel->pLimit->pLeft = pLimit; }else{ /* If there is no pre-existing limit add a limit of 1 */ @@ -102819,19 +110848,25 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ } pSel->iLimit = 0; if( sqlite3Select(pParse, pSel, &dest) ){ + pExpr->op2 = pExpr->op; + pExpr->op = TK_ERROR; return 0; } pExpr->iTable = rReg = dest.iSDParm; ExprSetVVAProperty(pExpr, EP_NoReduce); if( addrOnce ){ sqlite3VdbeJumpHere(v, addrOnce); - - /* Subroutine return */ - sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn); - sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1); - sqlite3ClearTempRegCache(pParse); } + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); + /* Subroutine return */ + assert( ExprUseYSub(pExpr) ); + assert( sqlite3VdbeGetOp(v,pExpr->y.sub.iAddr-1)->opcode==OP_BeginSubrtn + || pParse->nErr ); + sqlite3VdbeAddOp3(v, OP_Return, pExpr->y.sub.regReturn, + pExpr->y.sub.iAddr, 1); + VdbeCoverage(v); + sqlite3ClearTempRegCache(pParse); return rReg; } #endif /* SQLITE_OMIT_SUBQUERY */ @@ -102845,7 +110880,7 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ */ SQLITE_PRIVATE int sqlite3ExprCheckIN(Parse *pParse, Expr *pIn){ int nVector = sqlite3ExprVectorSize(pIn->pLeft); - if( (pIn->flags & EP_xIsSelect) ){ + if( ExprUseXSelect(pIn) && !pParse->db->mallocFailed ){ if( nVector!=pIn->x.pSelect->pEList->nExpr ){ sqlite3SubselectError(pParse, pIn->x.pSelect->pEList->nExpr, nVector); return 1; @@ -102979,13 +111014,15 @@ static void sqlite3ExprCodeIN( ** This is step (1) in the in-operator.md optimized algorithm. */ if( eType==IN_INDEX_NOOP ){ - ExprList *pList = pExpr->x.pList; - CollSeq *pColl = sqlite3ExprCollSeq(pParse, pExpr->pLeft); + ExprList *pList; + CollSeq *pColl; int labelOk = sqlite3VdbeMakeLabel(pParse); int r2, regToFree; int regCkNull = 0; int ii; - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); + assert( ExprUseXList(pExpr) ); + pList = pExpr->x.pList; + pColl = sqlite3ExprCollSeq(pParse, pExpr->pLeft); if( destIfNull!=destIfFalse ){ regCkNull = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_BitAnd, rLhs, rLhs, regCkNull); @@ -103033,9 +111070,9 @@ static void sqlite3ExprCodeIN( }else{ destStep2 = destStep6 = sqlite3VdbeMakeLabel(pParse); } - if( pParse->nErr ) goto sqlite3ExprCodeIN_finished; for(i=0; ipLeft, i); + if( pParse->nErr ) goto sqlite3ExprCodeIN_oom_error; if( sqlite3ExprCanBeNull(p) ){ sqlite3VdbeAddOp2(v, OP_IsNull, rLhs+i, destStep2); VdbeCoverage(v); @@ -103173,11 +111210,12 @@ static void codeInteger(Parse *pParse, Expr *pExpr, int negFlag, int iMem){ c = sqlite3DecOrHexToI64(z, &value); if( (c==3 && !negFlag) || (c==2) || (negFlag && value==SMALLEST_INT64)){ #ifdef SQLITE_OMIT_FLOATING_POINT - sqlite3ErrorMsg(pParse, "oversized integer: %s%s", negFlag ? "-" : "", z); + sqlite3ErrorMsg(pParse, "oversized integer: %s%#T", negFlag?"-":"",pExpr); #else #ifndef SQLITE_OMIT_HEX_INTEGER if( sqlite3_strnicmp(z,"0x",2)==0 ){ - sqlite3ErrorMsg(pParse, "hex literal too big: %s%s", negFlag?"-":"",z); + sqlite3ErrorMsg(pParse, "hex literal too big: %s%#T", + negFlag?"-":"",pExpr); }else #endif { @@ -103221,12 +111259,14 @@ SQLITE_PRIVATE void sqlite3ExprCodeLoadIndexColumn( ** and store the result in register regOut */ SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn( - Parse *pParse, - Column *pCol, - int regOut + Parse *pParse, /* Parsing context */ + Table *pTab, /* Table containing the generated column */ + Column *pCol, /* The generated column */ + int regOut /* Put the result in this register */ ){ int iAddr; Vdbe *v = pParse->pVdbe; + int nErr = pParse->nErr; assert( v!=0 ); assert( pParse->iSelfTab!=0 ); if( pParse->iSelfTab>0 ){ @@ -103234,11 +111274,12 @@ SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn( }else{ iAddr = 0; } - sqlite3ExprCodeCopy(pParse, pCol->pDflt, regOut); + sqlite3ExprCodeCopy(pParse, sqlite3ColumnExpr(pTab,pCol), regOut); if( pCol->affinity>=SQLITE_AFF_TEXT ){ sqlite3VdbeAddOp4(v, OP_Affinity, regOut, 1, 0, &pCol->affinity, 1); } if( iAddr ) sqlite3VdbeJumpHere(v, iAddr); + if( pParse->nErr>nErr ) pParse->db->errByteOffset = -1; } #endif /* SQLITE_OMIT_GENERATED_COLUMNS */ @@ -103254,12 +111295,11 @@ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable( ){ Column *pCol; assert( v!=0 ); - if( pTab==0 ){ - sqlite3VdbeAddOp3(v, OP_Column, iTabCur, iCol, regOut); - return; - } + assert( pTab!=0 ); + assert( iCol!=XN_EXPR ); if( iCol<0 || iCol==pTab->iPKey ){ sqlite3VdbeAddOp2(v, OP_Rowid, iTabCur, regOut); + VdbeComment((v, "%s.rowid", pTab->zName)); }else{ int op; int x; @@ -103270,12 +111310,13 @@ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable( }else if( (pCol = &pTab->aCol[iCol])->colFlags & COLFLAG_VIRTUAL ){ Parse *pParse = sqlite3VdbeParser(v); if( pCol->colFlags & COLFLAG_BUSY ){ - sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", pCol->zName); + sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", + pCol->zCnName); }else{ int savedSelfTab = pParse->iSelfTab; pCol->colFlags |= COLFLAG_BUSY; pParse->iSelfTab = iTabCur+1; - sqlite3ExprCodeGeneratedColumn(pParse, pCol, regOut); + sqlite3ExprCodeGeneratedColumn(pParse, pTab, pCol, regOut); pParse->iSelfTab = savedSelfTab; pCol->colFlags &= ~COLFLAG_BUSY; } @@ -103311,10 +111352,13 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( u8 p5 /* P5 value for OP_Column + FLAGS */ ){ assert( pParse->pVdbe!=0 ); + assert( (p5 & (OPFLAG_NOCHNG|OPFLAG_TYPEOFARG|OPFLAG_LENGTHARG))==p5 ); + assert( IsVirtual(pTab) || (p5 & OPFLAG_NOCHNG)==0 ); sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pTab, iTable, iColumn, iReg); if( p5 ){ - VdbeOp *pOp = sqlite3VdbeGetOp(pParse->pVdbe,-1); + VdbeOp *pOp = sqlite3VdbeGetLastOp(pParse->pVdbe); if( pOp->opcode==OP_Column ) pOp->p5 = p5; + if( pOp->opcode==OP_VColumn ) pOp->p5 = (p5 & OPFLAG_NOCHNG); } return iReg; } @@ -103334,6 +111378,7 @@ SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse *pParse, int iFrom, int iTo, int n */ static void exprToRegister(Expr *pExpr, int iReg){ Expr *p = sqlite3ExprSkipCollateAndLikely(pExpr); + if( NEVER(p==0) ) return; p->op2 = p->op; p->op = TK_REGISTER; p->iTable = iReg; @@ -103342,7 +111387,7 @@ static void exprToRegister(Expr *pExpr, int iReg){ /* ** Evaluate an expression (either a vector or a scalar expression) and store -** the result in continguous temporary registers. Return the index of +** the result in contiguous temporary registers. Return the index of ** the first register used to store the result. ** ** If the returned result register is a temporary scalar, then also write @@ -103367,6 +111412,7 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ int i; iResult = pParse->nMem+1; pParse->nMem += nResult; + assert( ExprUseXList(p) ); for(i=0; ix.pList->a[i].pExpr, i+iResult); } @@ -103380,8 +111426,8 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ ** so that a subsequent copy will not be merged into this one. */ static void setDoNotMergeFlagOnCopy(Vdbe *v){ - if( sqlite3VdbeGetOp(v, -1)->opcode==OP_Copy ){ - sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ + if( sqlite3VdbeGetLastOp(v)->opcode==OP_Copy ){ + sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergeable */ } } @@ -103427,7 +111473,17 @@ static int exprCodeInlineFunction( caseExpr.x.pList = pFarg; return sqlite3ExprCodeTarget(pParse, &caseExpr, target); } - +#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC + case INLINEFUNC_sqlite_offset: { + Expr *pArg = pFarg->a[0].pExpr; + if( pArg->op==TK_COLUMN && pArg->iTable>=0 ){ + sqlite3VdbeAddOp3(v, OP_Offset, pArg->iTable, pArg->iColumn, target); + }else{ + sqlite3VdbeAddOp2(v, OP_Null, 0, target); + } + break; + } +#endif default: { /* The UNLIKELY() function is a no-op. The result is the value ** of the first argument. @@ -103441,6 +111497,7 @@ static int exprCodeInlineFunction( ** Test-only SQL functions that are only usable if enabled ** via SQLITE_TESTCTRL_INTERNAL_FUNCTIONS */ +#if !defined(SQLITE_UNTESTABLE) case INLINEFUNC_expr_compare: { /* Compare two expressions using sqlite3ExprCompare() */ assert( nFarg==2 ); @@ -103460,13 +111517,13 @@ static int exprCodeInlineFunction( } case INLINEFUNC_implies_nonnull_row: { - /* REsult of sqlite3ExprImpliesNonNullRow() */ + /* Result of sqlite3ExprImpliesNonNullRow() */ Expr *pA1; assert( nFarg==2 ); pA1 = pFarg->a[1].pExpr; if( pA1->op==TK_COLUMN ){ sqlite3VdbeAddOp2(v, OP_Integer, - sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable), + sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable,1), target); }else{ sqlite3VdbeAddOp2(v, OP_Null, 0, target); @@ -103474,25 +111531,85 @@ static int exprCodeInlineFunction( break; } -#ifdef SQLITE_DEBUG case INLINEFUNC_affinity: { /* The AFFINITY() function evaluates to a string that describes ** the type affinity of the argument. This is used for testing of ** the SQLite type logic. */ - const char *azAff[] = { "blob", "text", "numeric", "integer", "real" }; + const char *azAff[] = { "blob", "text", "numeric", "integer", + "real", "flexnum" }; char aff; assert( nFarg==1 ); aff = sqlite3ExprAffinity(pFarg->a[0].pExpr); + assert( aff<=SQLITE_AFF_NONE + || (aff>=SQLITE_AFF_BLOB && aff<=SQLITE_AFF_FLEXNUM) ); sqlite3VdbeLoadString(v, target, (aff<=SQLITE_AFF_NONE) ? "none" : azAff[aff-SQLITE_AFF_BLOB]); break; } -#endif +#endif /* !defined(SQLITE_UNTESTABLE) */ } return target; } +/* +** Check to see if pExpr is one of the indexed expressions on pParse->pIdxEpr. +** If it is, then resolve the expression by reading from the index and +** return the register into which the value has been read. If pExpr is +** not an indexed expression, then return negative. +*/ +static SQLITE_NOINLINE int sqlite3IndexedExprLookup( + Parse *pParse, /* The parsing context */ + Expr *pExpr, /* The expression to potentially bypass */ + int target /* Where to store the result of the expression */ +){ + IndexedExpr *p; + Vdbe *v; + for(p=pParse->pIdxEpr; p; p=p->pIENext){ + u8 exprAff; + int iDataCur = p->iDataCur; + if( iDataCur<0 ) continue; + if( pParse->iSelfTab ){ + if( p->iDataCur!=pParse->iSelfTab-1 ) continue; + iDataCur = -1; + } + if( sqlite3ExprCompare(0, pExpr, p->pExpr, iDataCur)!=0 ) continue; + assert( p->aff>=SQLITE_AFF_BLOB && p->aff<=SQLITE_AFF_NUMERIC ); + exprAff = sqlite3ExprAffinity(pExpr); + if( (exprAff<=SQLITE_AFF_BLOB && p->aff!=SQLITE_AFF_BLOB) + || (exprAff==SQLITE_AFF_TEXT && p->aff!=SQLITE_AFF_TEXT) + || (exprAff>=SQLITE_AFF_NUMERIC && p->aff!=SQLITE_AFF_NUMERIC) + ){ + /* Affinity mismatch on a generated column */ + continue; + } + + v = pParse->pVdbe; + assert( v!=0 ); + if( p->bMaybeNullRow ){ + /* If the index is on a NULL row due to an outer join, then we + ** cannot extract the value from the index. The value must be + ** computed using the original expression. */ + int addr = sqlite3VdbeCurrentAddr(v); + sqlite3VdbeAddOp3(v, OP_IfNullRow, p->iIdxCur, addr+3, target); + VdbeCoverage(v); + sqlite3VdbeAddOp3(v, OP_Column, p->iIdxCur, p->iIdxCol, target); + VdbeComment((v, "%s expr-column %d", p->zIdxName, p->iIdxCol)); + sqlite3VdbeGoto(v, 0); + p = pParse->pIdxEpr; + pParse->pIdxEpr = 0; + sqlite3ExprCode(pParse, pExpr, target); + pParse->pIdxEpr = p; + sqlite3VdbeJumpHere(v, addr+2); + }else{ + sqlite3VdbeAddOp3(v, OP_Column, p->iIdxCur, p->iIdxCol, target); + VdbeComment((v, "%s expr-column %d", p->zIdxName, p->iIdxCol)); + } + return target; + } + return -1; /* Not found */ +} + /* ** Generate code into the current Vdbe to evaluate the given @@ -103521,6 +111638,11 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) expr_code_doover: if( pExpr==0 ){ op = TK_NULL; + }else if( pParse->pIdxEpr!=0 + && !ExprHasProperty(pExpr, EP_Leaf) + && (r1 = sqlite3IndexedExprLookup(pParse, pExpr, target))>=0 + ){ + return r1; }else{ assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); op = pExpr->op; @@ -103530,24 +111652,43 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) AggInfo *pAggInfo = pExpr->pAggInfo; struct AggInfo_col *pCol; assert( pAggInfo!=0 ); - assert( pExpr->iAgg>=0 && pExpr->iAggnColumn ); + assert( pExpr->iAgg>=0 ); + if( pExpr->iAgg>=pAggInfo->nColumn ){ + /* Happens when the left table of a RIGHT JOIN is null and + ** is using an expression index */ + sqlite3VdbeAddOp2(v, OP_Null, 0, target); +#ifdef SQLITE_VDBE_COVERAGE + /* Verify that the OP_Null above is exercised by tests + ** tag-20230325-2 */ + sqlite3VdbeAddOp2(v, OP_NotNull, target, 1); + VdbeCoverageNeverTaken(v); +#endif + break; + } pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ - assert( pCol->iMem>0 ); - return pCol->iMem; + return AggInfoColumnReg(pAggInfo, pExpr->iAgg); }else if( pAggInfo->useSortingIdx ){ Table *pTab = pCol->pTab; sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, pCol->iSorterColumn, target); - if( pCol->iColumn<0 ){ + if( pTab==0 ){ + /* No comment added */ + }else if( pCol->iColumn<0 ){ VdbeComment((v,"%s.rowid",pTab->zName)); }else{ - VdbeComment((v,"%s.%s",pTab->zName,pTab->aCol[pCol->iColumn].zName)); + VdbeComment((v,"%s.%s", + pTab->zName, pTab->aCol[pCol->iColumn].zCnName)); if( pTab->aCol[pCol->iColumn].affinity==SQLITE_AFF_REAL ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, target); } } return target; + }else if( pExpr->y.pTab==0 ){ + /* This case happens when the argument to an aggregate function + ** is rewritten by aggregateConvertIndexedExprRefToColumn() */ + sqlite3VdbeAddOp3(v, OP_Column, pExpr->iTable, pExpr->iColumn, target); + return target; } /* Otherwise, fall thru into the TK_COLUMN case */ /* no break */ deliberate_fall_through @@ -103558,19 +111699,17 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) if( ExprHasProperty(pExpr, EP_FixedCol) ){ /* This COLUMN expression is really a constant due to WHERE clause ** constraints, and that constant is coded by the pExpr->pLeft - ** expresssion. However, make sure the constant has the correct + ** expression. However, make sure the constant has the correct ** datatype by applying the Affinity of the table column to the ** constant. */ int aff; iReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft,target); - if( pExpr->y.pTab ){ - aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); - }else{ - aff = pExpr->affExpr; - } + assert( ExprUseYTab(pExpr) ); + assert( pExpr->y.pTab!=0 ); + aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); if( aff>SQLITE_AFF_BLOB ){ - static const char zAff[] = "B\000C\000D\000E"; + static const char zAff[] = "B\000C\000D\000E\000F"; assert( SQLITE_AFF_BLOB=='A' ); assert( SQLITE_AFF_TEXT=='B' ); sqlite3VdbeAddOp4(v, OP_Affinity, iReg, 1, 0, @@ -103587,9 +111726,11 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) ** immediately prior to the first column. */ Column *pCol; - Table *pTab = pExpr->y.pTab; + Table *pTab; int iSrc; int iCol = pExpr->iColumn; + assert( ExprUseYTab(pExpr) ); + pTab = pExpr->y.pTab; assert( pTab!=0 ); assert( iCol>=XN_ROWID ); assert( iColnCol ); @@ -103603,12 +111744,12 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) if( pCol->colFlags & COLFLAG_GENERATED ){ if( pCol->colFlags & COLFLAG_BUSY ){ sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", - pCol->zName); + pCol->zCnName); return 0; } pCol->colFlags |= COLFLAG_BUSY; if( pCol->colFlags & COLFLAG_NOTAVAIL ){ - sqlite3ExprCodeGeneratedColumn(pParse, pCol, iSrc); + sqlite3ExprCodeGeneratedColumn(pParse, pTab, pCol, iSrc); } pCol->colFlags &= ~(COLFLAG_BUSY|COLFLAG_NOTAVAIL); return iSrc; @@ -103627,12 +111768,11 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) iTab = pParse->iSelfTab - 1; } } + assert( ExprUseYTab(pExpr) ); + assert( pExpr->y.pTab!=0 ); iReg = sqlite3ExprCodeGetColumn(pParse, pExpr->y.pTab, pExpr->iColumn, iTab, target, pExpr->op2); - if( pExpr->y.pTab==0 && pExpr->affExpr==SQLITE_AFF_REAL ){ - sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); - } return iReg; } case TK_INTEGER: { @@ -103660,7 +111800,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) ** Expr node to be passed into this function, it will be handled ** sanely and not crash. But keep the assert() to bring the problem ** to the attention of the developers. */ - assert( op==TK_NULL ); + assert( op==TK_NULL || op==TK_ERROR || pParse->db->mallocFailed ); sqlite3VdbeAddOp2(v, OP_Null, 0, target); return target; } @@ -103699,11 +111839,9 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) #ifndef SQLITE_OMIT_CAST case TK_CAST: { /* Expressions of the form: CAST(pLeft AS token) */ - inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); - if( inReg!=target ){ - sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); - inReg = target; - } + sqlite3ExprCode(pParse, pExpr->pLeft, target); + assert( inReg==target ); + assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3VdbeAddOp2(v, OP_Cast, target, sqlite3AffinityType(pExpr->u.zToken, 0)); return inReg; @@ -103726,8 +111864,9 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) }else{ r1 = sqlite3ExprCodeTemp(pParse, pLeft, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2); - codeCompare(pParse, pLeft, pExpr->pRight, op, - r1, r2, inReg, SQLITE_STOREP2 | p5, + sqlite3VdbeAddOp2(v, OP_Integer, 1, inReg); + codeCompare(pParse, pLeft, pExpr->pRight, op, r1, r2, + sqlite3VdbeCurrentAddr(v)+2, p5, ExprHasProperty(pExpr,EP_Commuted)); assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt); assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le); @@ -103735,6 +111874,11 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) assert(TK_GE==OP_Ge); testcase(op==OP_Ge); VdbeCoverageIf(v,op==OP_Ge); assert(TK_EQ==OP_Eq); testcase(op==OP_Eq); VdbeCoverageIf(v,op==OP_Eq); assert(TK_NE==OP_Ne); testcase(op==OP_Ne); VdbeCoverageIf(v,op==OP_Ne); + if( p5==SQLITE_NULLEQ ){ + sqlite3VdbeAddOp2(v, OP_Integer, 0, inReg); + }else{ + sqlite3VdbeAddOp3(v, OP_ZeroOrNull, r1, inReg, r2); + } testcase( regFree1==0 ); testcase( regFree2==0 ); } @@ -103837,9 +111981,9 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) || NEVER(pExpr->iAgg>=pInfo->nFunc) ){ assert( !ExprHasProperty(pExpr, EP_IntValue) ); - sqlite3ErrorMsg(pParse, "misuse of aggregate: %s()", pExpr->u.zToken); + sqlite3ErrorMsg(pParse, "misuse of aggregate: %#T()", pExpr); }else{ - return pInfo->aFunc[pExpr->iAgg].iMem; + return AggInfoFuncReg(pInfo, pExpr->iAgg); } break; } @@ -103865,8 +112009,8 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) ** multiple times if we know they always give the same result */ return sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1); } - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); assert( !ExprHasProperty(pExpr, EP_TokenOnly) ); + assert( ExprUseXList(pExpr) ); pFarg = pExpr->x.pList; nFarg = pFarg ? pFarg->nExpr : 0; assert( !ExprHasProperty(pExpr, EP_IntValue) ); @@ -103878,10 +112022,10 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) } #endif if( pDef==0 || pDef->xFinalize!=0 ){ - sqlite3ErrorMsg(pParse, "unknown function: %s()", zId); + sqlite3ErrorMsg(pParse, "unknown function: %#T()", pExpr); break; } - if( pDef->funcFlags & SQLITE_FUNC_INLINE ){ + if( (pDef->funcFlags & SQLITE_FUNC_INLINE)!=0 && ALWAYS(pFarg!=0) ){ assert( (pDef->funcFlags & SQLITE_FUNC_UNSAFE)==0 ); assert( (pDef->funcFlags & SQLITE_FUNC_DIRECT)==0 ); return exprCodeInlineFunction(pParse, pFarg, @@ -103907,10 +112051,10 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) r1 = sqlite3GetTempRange(pParse, nFarg); } - /* For length() and typeof() functions with a column argument, + /* For length() and typeof() and octet_length() functions, ** set the P5 parameter to the OP_Column opcode to OPFLAG_LENGTHARG - ** or OPFLAG_TYPEOFARG respectively, to avoid unnecessary data - ** loading. + ** or OPFLAG_TYPEOFARG or OPFLAG_BYTELENARG respectively, to avoid + ** unnecessary data loading. */ if( (pDef->funcFlags & (SQLITE_FUNC_LENGTH|SQLITE_FUNC_TYPEOF))!=0 ){ u8 exprOp; @@ -103920,14 +112064,16 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) if( exprOp==TK_COLUMN || exprOp==TK_AGG_COLUMN ){ assert( SQLITE_FUNC_LENGTH==OPFLAG_LENGTHARG ); assert( SQLITE_FUNC_TYPEOF==OPFLAG_TYPEOFARG ); - testcase( pDef->funcFlags & OPFLAG_LENGTHARG ); - pFarg->a[0].pExpr->op2 = - pDef->funcFlags & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG); + assert( SQLITE_FUNC_BYTELEN==OPFLAG_BYTELENARG ); + assert( (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG)==OPFLAG_BYTELENARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_LENGTHARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_TYPEOFARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_BYTELENARG); + pFarg->a[0].pExpr->op2 = pDef->funcFlags & OPFLAG_BYTELENARG; } } - sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, - SQLITE_ECEL_DUP|SQLITE_ECEL_FACTOR); + sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, SQLITE_ECEL_FACTOR); }else{ r1 = 0; } @@ -103954,20 +112100,8 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC - if( pDef->funcFlags & SQLITE_FUNC_OFFSET ){ - Expr *pArg = pFarg->a[0].pExpr; - if( pArg->op==TK_COLUMN ){ - sqlite3VdbeAddOp3(v, OP_Offset, pArg->iTable, pArg->iColumn, target); - }else{ - sqlite3VdbeAddOp2(v, OP_Null, 0, target); - } - }else -#endif - { - sqlite3VdbeAddFunctionCall(pParse, constMask, r1, target, nFarg, - pDef, pExpr->op2); - } + sqlite3VdbeAddFunctionCall(pParse, constMask, r1, target, nFarg, + pDef, pExpr->op2); if( nFarg ){ if( constMask==0 ){ sqlite3ReleaseTempRange(pParse, r1, nFarg); @@ -103985,7 +112119,10 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) testcase( op==TK_SELECT ); if( pParse->db->mallocFailed ){ return 0; - }else if( op==TK_SELECT && (nCol = pExpr->x.pSelect->pEList->nExpr)!=1 ){ + }else if( op==TK_SELECT + && ALWAYS( ExprUseXSelect(pExpr) ) + && (nCol = pExpr->x.pSelect->pEList->nExpr)!=1 + ){ sqlite3SubselectError(pParse, nCol, 1); }else{ return sqlite3CodeSubselect(pParse, pExpr); @@ -103994,17 +112131,18 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) } case TK_SELECT_COLUMN: { int n; - if( pExpr->pLeft->iTable==0 ){ - pExpr->pLeft->iTable = sqlite3CodeSubselect(pParse, pExpr->pLeft); + Expr *pLeft = pExpr->pLeft; + if( pLeft->iTable==0 || pParse->withinRJSubrtn > pLeft->op2 ){ + pLeft->iTable = sqlite3CodeSubselect(pParse, pLeft); + pLeft->op2 = pParse->withinRJSubrtn; } - assert( pExpr->iTable==0 || pExpr->pLeft->op==TK_SELECT ); - if( pExpr->iTable!=0 - && pExpr->iTable!=(n = sqlite3ExprVectorSize(pExpr->pLeft)) - ){ + assert( pLeft->op==TK_SELECT || pLeft->op==TK_ERROR ); + n = sqlite3ExprVectorSize(pLeft); + if( pExpr->iTable!=n ){ sqlite3ErrorMsg(pParse, "%d columns assigned %d values", pExpr->iTable, n); } - return pExpr->pLeft->iTable + pExpr->iColumn; + return pLeft->iTable + pExpr->iColumn; } case TK_IN: { int destIfFalse = sqlite3VdbeMakeLabel(pParse); @@ -104035,8 +112173,23 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) exprCodeBetween(pParse, pExpr, target, 0, 0); return target; } + case TK_COLLATE: { + if( !ExprHasProperty(pExpr, EP_Collate) ){ + /* A TK_COLLATE Expr node without the EP_Collate tag is a so-called + ** "SOFT-COLLATE" that is added to constraints that are pushed down + ** from outer queries into sub-queries by the push-down optimization. + ** Clear subtypes as subtypes may not cross a subquery boundary. + */ + assert( pExpr->pLeft ); + sqlite3ExprCode(pParse, pExpr->pLeft, target); + sqlite3VdbeAddOp1(v, OP_ClrSubtype, target); + return target; + }else{ + pExpr = pExpr->pLeft; + goto expr_code_doover; /* 2018-04-28: Prevent deep recursion. */ + } + } case TK_SPAN: - case TK_COLLATE: case TK_UPLUS: { pExpr = pExpr->pLeft; goto expr_code_doover; /* 2018-04-28: Prevent deep recursion. OSSFuzz. */ @@ -104068,9 +112221,14 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) ** p1==1 -> old.a p1==4 -> new.a ** p1==2 -> old.b p1==5 -> new.b */ - Table *pTab = pExpr->y.pTab; - int iCol = pExpr->iColumn; - int p1 = pExpr->iTable * (pTab->nCol+1) + 1 + Table *pTab; + int iCol; + int p1; + + assert( ExprUseYTab(pExpr) ); + pTab = pExpr->y.pTab; + iCol = pExpr->iColumn; + p1 = pExpr->iTable * (pTab->nCol+1) + 1 + sqlite3TableColumnToStorage(pTab, iCol); assert( pExpr->iTable==0 || pExpr->iTable==1 ); @@ -104081,7 +112239,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) sqlite3VdbeAddOp2(v, OP_Param, p1, target); VdbeComment((v, "r[%d]=%s.%s", target, (pExpr->iTable ? "new" : "old"), - (pExpr->iColumn<0 ? "rowid" : pExpr->y.pTab->aCol[iCol].zName) + (pExpr->iColumn<0 ? "rowid" : pExpr->y.pTab->aCol[iCol].zCnName) )); #ifndef SQLITE_OMIT_FLOATING_POINT @@ -104111,16 +112269,34 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) case TK_IF_NULL_ROW: { int addrINR; u8 okConstFactor = pParse->okConstFactor; - addrINR = sqlite3VdbeAddOp1(v, OP_IfNullRow, pExpr->iTable); - /* Temporarily disable factoring of constant expressions, since - ** even though expressions may appear to be constant, they are not - ** really constant because they originate from the right-hand side - ** of a LEFT JOIN. */ - pParse->okConstFactor = 0; - inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); + AggInfo *pAggInfo = pExpr->pAggInfo; + if( pAggInfo ){ + assert( pExpr->iAgg>=0 && pExpr->iAggnColumn ); + if( !pAggInfo->directMode ){ + inReg = AggInfoColumnReg(pAggInfo, pExpr->iAgg); + break; + } + if( pExpr->pAggInfo->useSortingIdx ){ + sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, + pAggInfo->aCol[pExpr->iAgg].iSorterColumn, + target); + inReg = target; + break; + } + } + addrINR = sqlite3VdbeAddOp3(v, OP_IfNullRow, pExpr->iTable, 0, target); + /* The OP_IfNullRow opcode above can overwrite the result register with + ** NULL. So we have to ensure that the result register is not a value + ** that is suppose to be a constant. Two defenses are needed: + ** (1) Temporarily disable factoring of constant expressions + ** (2) Make sure the computed value really is stored in register + ** "target" and not someplace else. + */ + pParse->okConstFactor = 0; /* note (1) above */ + sqlite3ExprCode(pParse, pExpr->pLeft, target); + assert( target==inReg ); pParse->okConstFactor = okConstFactor; sqlite3VdbeJumpHere(v, addrINR); - sqlite3VdbeChangeP3(v, addrINR, inReg); break; } @@ -104158,7 +112334,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) Expr *pDel = 0; sqlite3 *db = pParse->db; - assert( !ExprHasProperty(pExpr, EP_xIsSelect) && pExpr->x.pList ); + assert( ExprUseXList(pExpr) && pExpr->x.pList!=0 ); assert(pExpr->x.pList->nExpr > 0); pEList = pExpr->x.pList; aListelem = pEList->a; @@ -104254,7 +112430,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) ** ** If regDest>=0 then the result is always stored in that register and the ** result is not reusable. If regDest<0 then this routine is free to -** store the value whereever it wants. The register where the expression +** store the value wherever it wants. The register where the expression ** is stored is returned. When regDest<0, two identical expressions might ** code to the same register, if they do not contain function calls and hence ** are factored out into the initialization section at the end of the @@ -104272,7 +112448,9 @@ SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce( struct ExprList_item *pItem; int i; for(pItem=p->a, i=p->nExpr; i>0; pItem++, i--){ - if( pItem->reusable && sqlite3ExprCompare(0,pItem->pExpr,pExpr,-1)==0 ){ + if( pItem->fg.reusable + && sqlite3ExprCompare(0,pItem->pExpr,pExpr,-1)==0 + ){ return pItem->u.iConstExprReg; } } @@ -104295,7 +112473,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce( p = sqlite3ExprListAppend(pParse, p, pExpr); if( p ){ struct ExprList_item *pItem = &p->a[p->nExpr-1]; - pItem->reusable = regDest<0; + pItem->fg.reusable = regDest<0; if( regDest<0 ) regDest = ++pParse->nMem; pItem->u.iConstExprReg = regDest; } @@ -104321,6 +112499,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){ int r2; pExpr = sqlite3ExprSkipCollateAndLikely(pExpr); if( ConstFactorOk(pParse) + && ALWAYS(pExpr!=0) && pExpr->op!=TK_REGISTER && sqlite3ExprIsConstantNotJoin(pExpr) ){ @@ -104354,7 +112533,9 @@ SQLITE_PRIVATE void sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){ inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); if( inReg!=target ){ u8 op; - if( ExprHasProperty(pExpr,EP_Subquery) ){ + if( ALWAYS(pExpr) + && (ExprHasProperty(pExpr,EP_Subquery) || pExpr->op==TK_REGISTER) + ){ op = OP_Copy; }else{ op = OP_SCopy; @@ -104428,7 +112609,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeExprList( for(pItem=pList->a, i=0; ipExpr; #ifdef SQLITE_ENABLE_SORTER_REFERENCES - if( pItem->bSorterRef ){ + if( pItem->fg.bSorterRef ){ i--; n--; }else @@ -104449,7 +112630,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeExprList( if( inReg!=target+i ){ VdbeOp *pOp; if( copyOp==OP_Copy - && (pOp=sqlite3VdbeGetOp(v, -1))->opcode==OP_Copy + && (pOp=sqlite3VdbeGetLastOp(v))->opcode==OP_Copy && pOp->p1+pOp->p3+1==inReg && pOp->p2+pOp->p3+1==target+i && pOp->p5==0 /* The do-not-merge flag must be clear */ @@ -104502,7 +112683,7 @@ static void exprCodeBetween( memset(&compRight, 0, sizeof(Expr)); memset(&exprAnd, 0, sizeof(Expr)); - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); + assert( ExprUseXList(pExpr) ); pDel = sqlite3ExprDup(db, pExpr->pLeft, 0); if( db->mallocFailed==0 ){ exprAnd.op = TK_AND; @@ -104522,8 +112703,8 @@ static void exprCodeBetween( ** so that the sqlite3ExprCodeTarget() routine will not attempt to move ** it into the Parse.pConstExpr list. We should use a new bit for this, ** for clarity, but we are out of bits in the Expr.flags field so we - ** have to reuse the EP_FromJoin bit. Bummer. */ - pDel->flags |= EP_FromJoin; + ** have to reuse the EP_OuterON bit. Bummer. */ + pDel->flags |= EP_OuterON; sqlite3ExprCodeTarget(pParse, &exprAnd, dest); } sqlite3ReleaseTempReg(pParse, regFree1); @@ -104648,6 +112829,7 @@ SQLITE_PRIVATE void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int assert( TK_ISNULL==OP_IsNull ); testcase( op==TK_ISNULL ); assert( TK_NOTNULL==OP_NotNull ); testcase( op==TK_NOTNULL ); r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1); + sqlite3VdbeTypeofColumn(v, r1); sqlite3VdbeAddOp2(v, op, r1, dest); VdbeCoverageIf(v, op==TK_ISNULL); VdbeCoverageIf(v, op==TK_NOTNULL); @@ -104822,6 +113004,7 @@ SQLITE_PRIVATE void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int case TK_ISNULL: case TK_NOTNULL: { r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1); + sqlite3VdbeTypeofColumn(v, r1); sqlite3VdbeAddOp2(v, op, r1, dest); testcase( op==TK_ISNULL ); VdbeCoverageIf(v, op==TK_ISNULL); testcase( op==TK_NOTNULL ); VdbeCoverageIf(v, op==TK_NOTNULL); @@ -104892,7 +113075,11 @@ SQLITE_PRIVATE void sqlite3ExprIfFalseDup(Parse *pParse, Expr *pExpr, int dest,i ** Otherwise, if the values are not the same or if pExpr is not a simple ** SQL value, zero is returned. */ -static int exprCompareVariable(Parse *pParse, Expr *pVar, Expr *pExpr){ +static int exprCompareVariable( + const Parse *pParse, + const Expr *pVar, + const Expr *pExpr +){ int res = 0; int iVar; sqlite3_value *pL, *pR = 0; @@ -104944,7 +113131,12 @@ static int exprCompareVariable(Parse *pParse, Expr *pVar, Expr *pExpr){ ** Argument pParse should normally be NULL. If it is not NULL and pA or ** pB causes a return value of 2. */ -SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTab){ +SQLITE_PRIVATE int sqlite3ExprCompare( + const Parse *pParse, + const Expr *pA, + const Expr *pB, + int iTab +){ u32 combinedFlags; if( pA==0 || pB==0 ){ return pB==pA ? 0 : 2; @@ -104966,9 +113158,17 @@ SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTa if( pB->op==TK_COLLATE && sqlite3ExprCompare(pParse, pA,pB->pLeft,iTab)<2 ){ return 1; } - return 2; + if( pA->op==TK_AGG_COLUMN && pB->op==TK_COLUMN + && pB->iTable<0 && pA->iTable==iTab + ){ + /* fall through */ + }else{ + return 2; + } } - if( pA->op!=TK_COLUMN && pA->op!=TK_AGG_COLUMN && pA->u.zToken ){ + assert( !ExprHasProperty(pA, EP_IntValue) ); + assert( !ExprHasProperty(pB, EP_IntValue) ); + if( pA->u.zToken ){ if( pA->op==TK_FUNCTION || pA->op==TK_AGG_FUNCTION ){ if( sqlite3StrICmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; #ifndef SQLITE_OMIT_WINDOWFUNC @@ -104986,7 +113186,12 @@ SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTa return 0; }else if( pA->op==TK_COLLATE ){ if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; - }else if( ALWAYS(pB->u.zToken!=0) && strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ + }else + if( pB->u.zToken!=0 + && pA->op!=TK_COLUMN + && pA->op!=TK_AGG_COLUMN + && strcmp(pA->u.zToken,pB->u.zToken)!=0 + ){ return 2; } } @@ -105028,7 +113233,7 @@ SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTa ** Two NULL pointers are considered to be the same. But a NULL pointer ** always differs from a non-NULL pointer. */ -SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList *pA, ExprList *pB, int iTab){ +SQLITE_PRIVATE int sqlite3ExprListCompare(const ExprList *pA, const ExprList *pB, int iTab){ int i; if( pA==0 && pB==0 ) return 0; if( pA==0 || pB==0 ) return 1; @@ -105037,7 +113242,7 @@ SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList *pA, ExprList *pB, int iTab){ int res; Expr *pExprA = pA->a[i].pExpr; Expr *pExprB = pB->a[i].pExpr; - if( pA->a[i].sortFlags!=pB->a[i].sortFlags ) return 1; + if( pA->a[i].fg.sortFlags!=pB->a[i].fg.sortFlags ) return 1; if( (res = sqlite3ExprCompare(0, pExprA, pExprB, iTab)) ) return res; } return 0; @@ -105047,7 +113252,7 @@ SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList *pA, ExprList *pB, int iTab){ ** Like sqlite3ExprCompare() except COLLATE operators at the top-level ** are ignored. */ -SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){ +SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA,Expr *pB, int iTab){ return sqlite3ExprCompare(0, sqlite3ExprSkipCollateAndLikely(pA), sqlite3ExprSkipCollateAndLikely(pB), @@ -105061,9 +113266,9 @@ SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){ ** non-NULL if pNN is not NULL */ static int exprImpliesNotNull( - Parse *pParse, /* Parsing context */ - Expr *p, /* The expression to be checked */ - Expr *pNN, /* The expression that is NOT NULL */ + const Parse *pParse,/* Parsing context */ + const Expr *p, /* The expression to be checked */ + const Expr *pNN, /* The expression that is NOT NULL */ int iTab, /* Table being evaluated */ int seenNot /* Return true only if p can be any non-NULL value */ ){ @@ -105075,12 +113280,13 @@ static int exprImpliesNotNull( switch( p->op ){ case TK_IN: { if( seenNot && ExprHasProperty(p, EP_xIsSelect) ) return 0; - assert( ExprHasProperty(p,EP_xIsSelect) - || (p->x.pList!=0 && p->x.pList->nExpr>0) ); + assert( ExprUseXSelect(p) || (p->x.pList!=0 && p->x.pList->nExpr>0) ); return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, 1); } case TK_BETWEEN: { - ExprList *pList = p->x.pList; + ExprList *pList; + assert( ExprUseXList(p) ); + pList = p->x.pList; assert( pList!=0 ); assert( pList->nExpr==2 ); if( seenNot ) return 0; @@ -105142,7 +113348,7 @@ static int exprImpliesNotNull( ** pE1: x!=123 pE2: x IS NOT NULL Result: true ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false -** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false +** pE1: x IS ?2 pE2: x IS NOT NULL Result: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. @@ -105156,7 +113362,12 @@ static int exprImpliesNotNull( ** improvement. Returning false might cause a performance reduction, but ** it will always give the correct answer and is hence always safe. */ -SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, int iTab){ +SQLITE_PRIVATE int sqlite3ExprImpliesExpr( + const Parse *pParse, + const Expr *pE1, + const Expr *pE2, + int iTab +){ if( sqlite3ExprCompare(pParse, pE1, pE2, iTab)==0 ){ return 1; } @@ -105174,11 +113385,29 @@ SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, i return 0; } +/* This is a helper function to impliesNotNullRow(). In this routine, +** set pWalker->eCode to one only if *both* of the input expressions +** separately have the implies-not-null-row property. +*/ +static void bothImplyNotNullRow(Walker *pWalker, Expr *pE1, Expr *pE2){ + if( pWalker->eCode==0 ){ + sqlite3WalkExpr(pWalker, pE1); + if( pWalker->eCode ){ + pWalker->eCode = 0; + sqlite3WalkExpr(pWalker, pE2); + } + } +} + /* ** This is the Expr node callback for sqlite3ExprImpliesNonNullRow(). ** If the expression node requires that the table at pWalker->iCur ** have one or more non-NULL column, then set pWalker->eCode to 1 and abort. ** +** pWalker->mWFlags is non-zero if this inquiry is being undertaking on +** behalf of a RIGHT JOIN (or FULL JOIN). That makes a difference when +** evaluating terms in the ON clause of an inner join. +** ** This routine controls an optimization. False positives (setting ** pWalker->eCode to 1 when it should not be) are deadly, but false-negatives ** (never setting pWalker->eCode) is a harmless missed optimization. @@ -105186,29 +113415,34 @@ SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, i static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_AGG_COLUMN ); testcase( pExpr->op==TK_AGG_FUNCTION ); - if( ExprHasProperty(pExpr, EP_FromJoin) ) return WRC_Prune; + if( ExprHasProperty(pExpr, EP_OuterON) ) return WRC_Prune; + if( ExprHasProperty(pExpr, EP_InnerON) && pWalker->mWFlags ){ + /* If iCur is used in an inner-join ON clause to the left of a + ** RIGHT JOIN, that does *not* mean that the table must be non-null. + ** But it is difficult to check for that condition precisely. + ** To keep things simple, any use of iCur from any inner-join is + ** ignored while attempting to simplify a RIGHT JOIN. */ + return WRC_Prune; + } switch( pExpr->op ){ case TK_ISNOT: case TK_ISNULL: case TK_NOTNULL: case TK_IS: - case TK_OR: case TK_VECTOR: - case TK_CASE: - case TK_IN: case TK_FUNCTION: case TK_TRUTH: + case TK_CASE: testcase( pExpr->op==TK_ISNOT ); testcase( pExpr->op==TK_ISNULL ); testcase( pExpr->op==TK_NOTNULL ); testcase( pExpr->op==TK_IS ); - testcase( pExpr->op==TK_OR ); testcase( pExpr->op==TK_VECTOR ); - testcase( pExpr->op==TK_CASE ); - testcase( pExpr->op==TK_IN ); testcase( pExpr->op==TK_FUNCTION ); testcase( pExpr->op==TK_TRUTH ); + testcase( pExpr->op==TK_CASE ); return WRC_Prune; + case TK_COLUMN: if( pWalker->u.iCur==pExpr->iTable ){ pWalker->eCode = 1; @@ -105216,21 +113450,38 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ } return WRC_Prune; + case TK_OR: case TK_AND: - if( pWalker->eCode==0 ){ + /* Both sides of an AND or OR must separately imply non-null-row. + ** Consider these cases: + ** 1. NOT (x AND y) + ** 2. x OR y + ** If only one of x or y is non-null-row, then the overall expression + ** can be true if the other arm is false (case 1) or true (case 2). + */ + testcase( pExpr->op==TK_OR ); + testcase( pExpr->op==TK_AND ); + bothImplyNotNullRow(pWalker, pExpr->pLeft, pExpr->pRight); + return WRC_Prune; + + case TK_IN: + /* Beware of "x NOT IN ()" and "x NOT IN (SELECT 1 WHERE false)", + ** both of which can be true. But apart from these cases, if + ** the left-hand side of the IN is NULL then the IN itself will be + ** NULL. */ + if( ExprUseXList(pExpr) && ALWAYS(pExpr->x.pList->nExpr>0) ){ sqlite3WalkExpr(pWalker, pExpr->pLeft); - if( pWalker->eCode ){ - pWalker->eCode = 0; - sqlite3WalkExpr(pWalker, pExpr->pRight); - } } return WRC_Prune; case TK_BETWEEN: - if( sqlite3WalkExpr(pWalker, pExpr->pLeft)==WRC_Abort ){ - assert( pWalker->eCode ); - return WRC_Abort; - } + /* In "x NOT BETWEEN y AND z" either x must be non-null-row or else + ** both y and z must be non-null row */ + assert( ExprUseXList(pExpr) ); + assert( pExpr->x.pList->nExpr==2 ); + sqlite3WalkExpr(pWalker, pExpr->pLeft); + bothImplyNotNullRow(pWalker, pExpr->x.pList->a[0].pExpr, + pExpr->x.pList->a[1].pExpr); return WRC_Prune; /* Virtual tables are allowed to use constraints like x=NULL. So @@ -105252,10 +113503,14 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_GE ); /* The y.pTab=0 assignment in wherecode.c always happens after the ** impliesNotNullRow() test */ - if( (pLeft->op==TK_COLUMN && ALWAYS(pLeft->y.pTab!=0) - && IsVirtual(pLeft->y.pTab)) - || (pRight->op==TK_COLUMN && ALWAYS(pRight->y.pTab!=0) - && IsVirtual(pRight->y.pTab)) + assert( pLeft->op!=TK_COLUMN || ExprUseYTab(pLeft) ); + assert( pRight->op!=TK_COLUMN || ExprUseYTab(pRight) ); + if( (pLeft->op==TK_COLUMN + && ALWAYS(pLeft->y.pTab!=0) + && IsVirtual(pLeft->y.pTab)) + || (pRight->op==TK_COLUMN + && ALWAYS(pRight->y.pTab!=0) + && IsVirtual(pRight->y.pTab)) ){ return WRC_Prune; } @@ -105279,8 +113534,8 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ ** False positives are not allowed, however. A false positive may result ** in an incorrect answer. ** -** Terms of p that are marked with EP_FromJoin (and hence that come from -** the ON or USING clauses of LEFT JOINS) are excluded from the analysis. +** Terms of p that are marked with EP_OuterON (and hence that come from +** the ON or USING clauses of OUTER JOINS) are excluded from the analysis. ** ** This routine is used to check if a LEFT JOIN can be converted into ** an ordinary JOIN. The p argument is the WHERE clause. If the WHERE @@ -105288,7 +113543,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ ** be non-NULL, then the LEFT JOIN can be safely converted into an ** ordinary join. */ -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab, int isRJ){ Walker w; p = sqlite3ExprSkipCollateAndLikely(p); if( p==0 ) return 0; @@ -105296,7 +113551,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ p = p->pLeft; }else{ while( p->op==TK_AND ){ - if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1; + if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab, isRJ) ) return 1; p = p->pRight; } } @@ -105304,6 +113559,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ w.xSelectCallback = 0; w.xSelectCallback2 = 0; w.eCode = 0; + w.mWFlags = isRJ!=0; w.u.iCur = iTab; sqlite3WalkExpr(&w, p); return w.eCode; @@ -105364,88 +113620,126 @@ SQLITE_PRIVATE int sqlite3ExprCoveredByIndex( } -/* -** An instance of the following structure is used by the tree walker -** to count references to table columns in the arguments of an -** aggregate function, in order to implement the -** sqlite3FunctionThisSrc() routine. -*/ -struct SrcCount { - SrcList *pSrc; /* One particular FROM clause in a nested query */ - int iSrcInner; /* Smallest cursor number in this context */ - int nThis; /* Number of references to columns in pSrcList */ - int nOther; /* Number of references to columns in other FROM clauses */ +/* Structure used to pass information throughout the Walker in order to +** implement sqlite3ReferencesSrcList(). +*/ +struct RefSrcList { + sqlite3 *db; /* Database connection used for sqlite3DbRealloc() */ + SrcList *pRef; /* Looking for references to these tables */ + i64 nExclude; /* Number of tables to exclude from the search */ + int *aiExclude; /* Cursor IDs for tables to exclude from the search */ }; /* -** xSelect callback for sqlite3FunctionUsesThisSrc(). If this is the first -** SELECT with a FROM clause encountered during this iteration, set -** SrcCount.iSrcInner to the cursor number of the leftmost object in -** the FROM cause. +** Walker SELECT callbacks for sqlite3ReferencesSrcList(). +** +** When entering a new subquery on the pExpr argument, add all FROM clause +** entries for that subquery to the exclude list. +** +** When leaving the subquery, remove those entries from the exclude list. */ -static int selectSrcCount(Walker *pWalker, Select *pSel){ - struct SrcCount *p = pWalker->u.pSrcCount; - if( p->iSrcInner==0x7FFFFFFF && ALWAYS(pSel->pSrc) && pSel->pSrc->nSrc ){ - pWalker->u.pSrcCount->iSrcInner = pSel->pSrc->a[0].iCursor; +static int selectRefEnter(Walker *pWalker, Select *pSelect){ + struct RefSrcList *p = pWalker->u.pRefSrcList; + SrcList *pSrc = pSelect->pSrc; + i64 i, j; + int *piNew; + if( pSrc->nSrc==0 ) return WRC_Continue; + j = p->nExclude; + p->nExclude += pSrc->nSrc; + piNew = sqlite3DbRealloc(p->db, p->aiExclude, p->nExclude*sizeof(int)); + if( piNew==0 ){ + p->nExclude = 0; + return WRC_Abort; + }else{ + p->aiExclude = piNew; + } + for(i=0; inSrc; i++, j++){ + p->aiExclude[j] = pSrc->a[i].iCursor; } return WRC_Continue; } +static void selectRefLeave(Walker *pWalker, Select *pSelect){ + struct RefSrcList *p = pWalker->u.pRefSrcList; + SrcList *pSrc = pSelect->pSrc; + if( p->nExclude ){ + assert( p->nExclude>=pSrc->nSrc ); + p->nExclude -= pSrc->nSrc; + } +} -/* -** Count the number of references to columns. +/* This is the Walker EXPR callback for sqlite3ReferencesSrcList(). +** +** Set the 0x01 bit of pWalker->eCode if there is a reference to any +** of the tables shown in RefSrcList.pRef. +** +** Set the 0x02 bit of pWalker->eCode if there is a reference to a +** table is in neither RefSrcList.pRef nor RefSrcList.aiExclude. */ -static int exprSrcCount(Walker *pWalker, Expr *pExpr){ - /* There was once a NEVER() on the second term on the grounds that - ** sqlite3FunctionUsesThisSrc() was always called before - ** sqlite3ExprAnalyzeAggregates() and so the TK_COLUMNs have not yet - ** been converted into TK_AGG_COLUMN. But this is no longer true due - ** to window functions - sqlite3WindowRewrite() may now indirectly call - ** FunctionUsesThisSrc() when creating a new sub-select. */ - if( pExpr->op==TK_COLUMN || pExpr->op==TK_AGG_COLUMN ){ +static int exprRefToSrcList(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_COLUMN + || pExpr->op==TK_AGG_COLUMN + ){ int i; - struct SrcCount *p = pWalker->u.pSrcCount; - SrcList *pSrc = p->pSrc; + struct RefSrcList *p = pWalker->u.pRefSrcList; + SrcList *pSrc = p->pRef; int nSrc = pSrc ? pSrc->nSrc : 0; for(i=0; iiTable==pSrc->a[i].iCursor ) break; + if( pExpr->iTable==pSrc->a[i].iCursor ){ + pWalker->eCode |= 1; + return WRC_Continue; + } } - if( inThis++; - }else if( pExpr->iTableiSrcInner ){ - /* In a well-formed parse tree (no name resolution errors), - ** TK_COLUMN nodes with smaller Expr.iTable values are in an - ** outer context. Those are the only ones to count as "other" */ - p->nOther++; + for(i=0; inExclude && p->aiExclude[i]!=pExpr->iTable; i++){} + if( i>=p->nExclude ){ + pWalker->eCode |= 2; } } return WRC_Continue; } /* -** Determine if any of the arguments to the pExpr Function reference -** pSrcList. Return true if they do. Also return true if the function -** has no arguments or has only constant arguments. Return false if pExpr -** references columns but not columns of tables found in pSrcList. +** Check to see if pExpr references any tables in pSrcList. +** Possible return values: +** +** 1 pExpr does references a table in pSrcList. +** +** 0 pExpr references some table that is not defined in either +** pSrcList or in subqueries of pExpr itself. +** +** -1 pExpr only references no tables at all, or it only +** references tables defined in subqueries of pExpr itself. +** +** As currently used, pExpr is always an aggregate function call. That +** fact is exploited for efficiency. */ -SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){ +SQLITE_PRIVATE int sqlite3ReferencesSrcList(Parse *pParse, Expr *pExpr, SrcList *pSrcList){ Walker w; - struct SrcCount cnt; - assert( pExpr->op==TK_AGG_FUNCTION ); + struct RefSrcList x; + assert( pParse->db!=0 ); memset(&w, 0, sizeof(w)); - w.xExprCallback = exprSrcCount; - w.xSelectCallback = selectSrcCount; - w.u.pSrcCount = &cnt; - cnt.pSrc = pSrcList; - cnt.iSrcInner = (pSrcList&&pSrcList->nSrc)?pSrcList->a[0].iCursor:0x7FFFFFFF; - cnt.nThis = 0; - cnt.nOther = 0; + memset(&x, 0, sizeof(x)); + w.xExprCallback = exprRefToSrcList; + w.xSelectCallback = selectRefEnter; + w.xSelectCallback2 = selectRefLeave; + w.u.pRefSrcList = &x; + x.db = pParse->db; + x.pRef = pSrcList; + assert( pExpr->op==TK_AGG_FUNCTION ); + assert( ExprUseXList(pExpr) ); sqlite3WalkExprList(&w, pExpr->x.pList); #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(pExpr, EP_WinFunc) ){ sqlite3WalkExpr(&w, pExpr->y.pWin->pFilter); } #endif - return cnt.nThis>0 || cnt.nOther==0; + if( x.aiExclude ) sqlite3DbNNFreeNN(pParse->db, x.aiExclude); + if( w.eCode & 0x01 ){ + return 1; + }else if( w.eCode ){ + return 0; + }else{ + return -1; + } } /* @@ -105456,10 +113750,8 @@ SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){ ** it does, make a copy. This is done because the pExpr argument is ** subject to change. ** -** The copy is stored on pParse->pConstExpr with a register number of 0. -** This will cause the expression to be deleted automatically when the -** Parse object is destroyed, but the zero register number means that it -** will not generate any code in the preamble. +** The copy is scheduled for deletion using the sqlite3ExprDeferredDelete() +** which builds on the sqlite3ParserAddCleanup() mechanism. */ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ if( ALWAYS(!ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced)) @@ -105469,25 +113761,26 @@ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ int iAgg = pExpr->iAgg; Parse *pParse = pWalker->pParse; sqlite3 *db = pParse->db; - assert( pExpr->op==TK_AGG_COLUMN || pExpr->op==TK_AGG_FUNCTION ); - if( pExpr->op==TK_AGG_COLUMN ){ - assert( iAgg>=0 && iAggnColumn ); - if( pAggInfo->aCol[iAgg].pCExpr==pExpr ){ + assert( iAgg>=0 ); + if( pExpr->op!=TK_AGG_FUNCTION ){ + if( iAggnColumn + && pAggInfo->aCol[iAgg].pCExpr==pExpr + ){ pExpr = sqlite3ExprDup(db, pExpr, 0); if( pExpr ){ pAggInfo->aCol[iAgg].pCExpr = pExpr; - pParse->pConstExpr = - sqlite3ExprListAppend(pParse, pParse->pConstExpr, pExpr); + sqlite3ExprDeferredDelete(pParse, pExpr); } } }else{ - assert( iAgg>=0 && iAggnFunc ); - if( pAggInfo->aFunc[iAgg].pFExpr==pExpr ){ + assert( pExpr->op==TK_AGG_FUNCTION ); + if( ALWAYS(iAggnFunc) + && pAggInfo->aFunc[iAgg].pFExpr==pExpr + ){ pExpr = sqlite3ExprDup(db, pExpr, 0); if( pExpr ){ pAggInfo->aFunc[iAgg].pFExpr = pExpr; - pParse->pConstExpr = - sqlite3ExprListAppend(pParse, pParse->pConstExpr, pExpr); + sqlite3ExprDeferredDelete(pParse, pExpr); } } } @@ -105538,6 +113831,74 @@ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ return i; } +/* +** Search the AggInfo object for an aCol[] entry that has iTable and iColumn. +** Return the index in aCol[] of the entry that describes that column. +** +** If no prior entry is found, create a new one and return -1. The +** new column will have an index of pAggInfo->nColumn-1. +*/ +static void findOrCreateAggInfoColumn( + Parse *pParse, /* Parsing context */ + AggInfo *pAggInfo, /* The AggInfo object to search and/or modify */ + Expr *pExpr /* Expr describing the column to find or insert */ +){ + struct AggInfo_col *pCol; + int k; + + assert( pAggInfo->iFirstReg==0 ); + pCol = pAggInfo->aCol; + for(k=0; knColumn; k++, pCol++){ + if( pCol->pCExpr==pExpr ) return; + if( pCol->iTable==pExpr->iTable + && pCol->iColumn==pExpr->iColumn + && pExpr->op!=TK_IF_NULL_ROW + ){ + goto fix_up_expr; + } + } + k = addAggInfoColumn(pParse->db, pAggInfo); + if( k<0 ){ + /* OOM on resize */ + assert( pParse->db->mallocFailed ); + return; + } + pCol = &pAggInfo->aCol[k]; + assert( ExprUseYTab(pExpr) ); + pCol->pTab = pExpr->y.pTab; + pCol->iTable = pExpr->iTable; + pCol->iColumn = pExpr->iColumn; + pCol->iSorterColumn = -1; + pCol->pCExpr = pExpr; + if( pAggInfo->pGroupBy && pExpr->op!=TK_IF_NULL_ROW ){ + int j, n; + ExprList *pGB = pAggInfo->pGroupBy; + struct ExprList_item *pTerm = pGB->a; + n = pGB->nExpr; + for(j=0; jpExpr; + if( pE->op==TK_COLUMN + && pE->iTable==pExpr->iTable + && pE->iColumn==pExpr->iColumn + ){ + pCol->iSorterColumn = j; + break; + } + } + } + if( pCol->iSorterColumn<0 ){ + pCol->iSorterColumn = pAggInfo->nSortingColumn++; + } +fix_up_expr: + ExprSetVVAProperty(pExpr, EP_NoReduce); + assert( pExpr->pAggInfo==0 || pExpr->pAggInfo==pAggInfo ); + pExpr->pAggInfo = pAggInfo; + if( pExpr->op==TK_COLUMN ){ + pExpr->op = TK_AGG_COLUMN; + } + pExpr->iAgg = (i16)k; +} + /* ** This is the xExprCallback for a tree walker. It is used to ** implement sqlite3ExprAnalyzeAggregates(). See sqlite3ExprAnalyzeAggregates @@ -105551,75 +113912,64 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ AggInfo *pAggInfo = pNC->uNC.pAggInfo; assert( pNC->ncFlags & NC_UAggInfo ); + assert( pAggInfo->iFirstReg==0 ); switch( pExpr->op ){ + default: { + IndexedExpr *pIEpr; + Expr tmp; + assert( pParse->iSelfTab==0 ); + if( (pNC->ncFlags & NC_InAggFunc)==0 ) break; + if( pParse->pIdxEpr==0 ) break; + for(pIEpr=pParse->pIdxEpr; pIEpr; pIEpr=pIEpr->pIENext){ + int iDataCur = pIEpr->iDataCur; + if( iDataCur<0 ) continue; + if( sqlite3ExprCompare(0, pExpr, pIEpr->pExpr, iDataCur)==0 ) break; + } + if( pIEpr==0 ) break; + if( NEVER(!ExprUseYTab(pExpr)) ) break; + for(i=0; inSrc; i++){ + if( pSrcList->a[0].iCursor==pIEpr->iDataCur ) break; + } + if( i>=pSrcList->nSrc ) break; + if( NEVER(pExpr->pAggInfo!=0) ) break; /* Resolved by outer context */ + if( pParse->nErr ){ return WRC_Abort; } + + /* If we reach this point, it means that expression pExpr can be + ** translated into a reference to an index column as described by + ** pIEpr. + */ + memset(&tmp, 0, sizeof(tmp)); + tmp.op = TK_AGG_COLUMN; + tmp.iTable = pIEpr->iIdxCur; + tmp.iColumn = pIEpr->iIdxCol; + findOrCreateAggInfoColumn(pParse, pAggInfo, &tmp); + if( pParse->nErr ){ return WRC_Abort; } + assert( pAggInfo->aCol!=0 ); + assert( tmp.iAggnColumn ); + pAggInfo->aCol[tmp.iAgg].pCExpr = pExpr; + pExpr->pAggInfo = pAggInfo; + pExpr->iAgg = tmp.iAgg; + return WRC_Prune; + } + case TK_IF_NULL_ROW: case TK_AGG_COLUMN: case TK_COLUMN: { testcase( pExpr->op==TK_AGG_COLUMN ); testcase( pExpr->op==TK_COLUMN ); + testcase( pExpr->op==TK_IF_NULL_ROW ); /* Check to see if the column is in one of the tables in the FROM ** clause of the aggregate query */ if( ALWAYS(pSrcList!=0) ){ - struct SrcList_item *pItem = pSrcList->a; + SrcItem *pItem = pSrcList->a; for(i=0; inSrc; i++, pItem++){ - struct AggInfo_col *pCol; assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); if( pExpr->iTable==pItem->iCursor ){ - /* If we reach this point, it means that pExpr refers to a table - ** that is in the FROM clause of the aggregate query. - ** - ** Make an entry for the column in pAggInfo->aCol[] if there - ** is not an entry there already. - */ - int k; - pCol = pAggInfo->aCol; - for(k=0; knColumn; k++, pCol++){ - if( pCol->iTable==pExpr->iTable && - pCol->iColumn==pExpr->iColumn ){ - break; - } - } - if( (k>=pAggInfo->nColumn) - && (k = addAggInfoColumn(pParse->db, pAggInfo))>=0 - ){ - pCol = &pAggInfo->aCol[k]; - pCol->pTab = pExpr->y.pTab; - pCol->iTable = pExpr->iTable; - pCol->iColumn = pExpr->iColumn; - pCol->iMem = ++pParse->nMem; - pCol->iSorterColumn = -1; - pCol->pCExpr = pExpr; - if( pAggInfo->pGroupBy ){ - int j, n; - ExprList *pGB = pAggInfo->pGroupBy; - struct ExprList_item *pTerm = pGB->a; - n = pGB->nExpr; - for(j=0; jpExpr; - if( pE->op==TK_COLUMN && pE->iTable==pExpr->iTable && - pE->iColumn==pExpr->iColumn ){ - pCol->iSorterColumn = j; - break; - } - } - } - if( pCol->iSorterColumn<0 ){ - pCol->iSorterColumn = pAggInfo->nSortingColumn++; - } - } - /* There is now an entry for pExpr in pAggInfo->aCol[] (either - ** because it was there before or because we just created it). - ** Convert the pExpr to be a TK_AGG_COLUMN referring to that - ** pAggInfo->aCol[] entry. - */ - ExprSetVVAProperty(pExpr, EP_NoReduce); - pExpr->pAggInfo = pAggInfo; - pExpr->op = TK_AGG_COLUMN; - pExpr->iAgg = (i16)k; + findOrCreateAggInfoColumn(pParse, pAggInfo, pExpr); break; } /* endif pExpr->iTable==pItem->iCursor */ } /* end loop over pSrcList */ } - return WRC_Prune; + return WRC_Continue; } case TK_AGG_FUNCTION: { if( (pNC->ncFlags & NC_InAggFunc)==0 @@ -105630,6 +113980,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ */ struct AggInfo_func *pItem = pAggInfo->aFunc; for(i=0; inFunc; i++, pItem++){ + if( pItem->pFExpr==pExpr ) break; if( sqlite3ExprCompare(0, pItem->pFExpr, pExpr, -1)==0 ){ break; } @@ -105643,8 +113994,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); pItem = &pAggInfo->aFunc[i]; pItem->pFExpr = pExpr; - pItem->iMem = ++pParse->nMem; - assert( !ExprHasProperty(pExpr, EP_IntValue) ); + assert( ExprUseUToken(pExpr) ); pItem->pFunc = sqlite3FindFunction(pParse->db, pExpr->u.zToken, pExpr->x.pList ? pExpr->x.pList->nExpr : 0, enc, 0); @@ -105772,6 +114122,37 @@ SQLITE_PRIVATE void sqlite3ClearTempRegCache(Parse *pParse){ pParse->nRangeReg = 0; } +/* +** Make sure sufficient registers have been allocated so that +** iReg is a valid register number. +*/ +SQLITE_PRIVATE void sqlite3TouchRegister(Parse *pParse, int iReg){ + if( pParse->nMemnMem = iReg; +} + +#if defined(SQLITE_ENABLE_STAT4) || defined(SQLITE_DEBUG) +/* +** Return the latest reusable register in the set of all registers. +** The value returned is no less than iMin. If any register iMin or +** greater is in permanent use, then return one more than that last +** permanent register. +*/ +SQLITE_PRIVATE int sqlite3FirstAvailableRegister(Parse *pParse, int iMin){ + const ExprList *pList = pParse->pConstExpr; + if( pList ){ + int i; + for(i=0; inExpr; i++){ + if( pList->a[i].u.iConstExprReg>=iMin ){ + iMin = pList->a[i].u.iConstExprReg + 1; + } + } + } + pParse->nTempReg = 0; + pParse->nRangeReg = 0; + return iMin; +} +#endif /* SQLITE_ENABLE_STAT4 || SQLITE_DEBUG */ + /* ** Validate that no temporary register falls within the range of ** iFirst..iLast, inclusive. This routine is only call from within assert() @@ -105791,6 +114172,14 @@ SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ return 0; } } + if( pParse->pConstExpr ){ + ExprList *pList = pParse->pConstExpr; + for(i=0; inExpr; i++){ + int iReg = pList->a[i].u.iConstExprReg; + if( iReg==0 ) continue; + if( iReg>=iFirst && iReg<=iLast ) return 0; + } + } return 1; } #endif /* SQLITE_DEBUG */ @@ -105830,6 +114219,7 @@ SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ static int isAlterableTable(Parse *pParse, Table *pTab){ if( 0==sqlite3StrNICmp(pTab->zName, "sqlite_", 7) #ifndef SQLITE_OMIT_VIRTUALTABLE + || (pTab->tabFlags & TF_Eponymous)!=0 || ( (pTab->tabFlags & TF_Shadow)!=0 && sqlite3ReadOnlyShadowTables(pParse->db) ) @@ -105848,25 +114238,56 @@ static int isAlterableTable(Parse *pParse, Table *pTab){ ** statement to ensure that the operation has not rendered any schema ** objects unusable. */ -static void renameTestSchema(Parse *pParse, const char *zDb, int bTemp){ +static void renameTestSchema( + Parse *pParse, /* Parse context */ + const char *zDb, /* Name of db to verify schema of */ + int bTemp, /* True if this is the temp db */ + const char *zWhen, /* "when" part of error message */ + int bNoDQS /* Do not allow DQS in the schema */ +){ + pParse->colNamesSet = 1; sqlite3NestedParse(pParse, "SELECT 1 " - "FROM \"%w\"." DFLT_SCHEMA_TABLE " " + "FROM \"%w\"." LEGACY_SCHEMA_TABLE " " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" " AND sql NOT LIKE 'create virtual%%'" - " AND sqlite_rename_test(%Q, sql, type, name, %d)=NULL ", + " AND sqlite_rename_test(%Q, sql, type, name, %d, %Q, %d)=NULL ", zDb, - zDb, bTemp + zDb, bTemp, zWhen, bNoDQS ); if( bTemp==0 ){ sqlite3NestedParse(pParse, "SELECT 1 " - "FROM temp." DFLT_SCHEMA_TABLE " " + "FROM temp." LEGACY_SCHEMA_TABLE " " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" " AND sql NOT LIKE 'create virtual%%'" - " AND sqlite_rename_test(%Q, sql, type, name, 1)=NULL ", - zDb + " AND sqlite_rename_test(%Q, sql, type, name, 1, %Q, %d)=NULL ", + zDb, zWhen, bNoDQS + ); + } +} + +/* +** Generate VM code to replace any double-quoted strings (but not double-quoted +** identifiers) within the "sql" column of the sqlite_schema table in +** database zDb with their single-quoted equivalents. If argument bTemp is +** not true, similarly update all SQL statements in the sqlite_schema table +** of the temp db. +*/ +static void renameFixQuotes(Parse *pParse, const char *zDb, int bTemp){ + sqlite3NestedParse(pParse, + "UPDATE \"%w\"." LEGACY_SCHEMA_TABLE + " SET sql = sqlite_rename_quotefix(%Q, sql)" + "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" + " AND sql NOT LIKE 'create virtual%%'" , zDb, zDb + ); + if( bTemp==0 ){ + sqlite3NestedParse(pParse, + "UPDATE temp." LEGACY_SCHEMA_TABLE + " SET sql = sqlite_rename_quotefix('temp', sql)" + "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" + " AND sql NOT LIKE 'create virtual%%'" ); } } @@ -105875,12 +114296,12 @@ static void renameTestSchema(Parse *pParse, const char *zDb, int bTemp){ ** Generate code to reload the schema for database iDb. And, if iDb!=1, for ** the temp database as well. */ -static void renameReloadSchema(Parse *pParse, int iDb){ +static void renameReloadSchema(Parse *pParse, int iDb, u16 p5){ Vdbe *v = pParse->pVdbe; if( v ){ sqlite3ChangeCookie(pParse, iDb); - sqlite3VdbeAddParseSchemaOp(pParse->pVdbe, iDb, 0); - if( iDb!=1 ) sqlite3VdbeAddParseSchemaOp(pParse->pVdbe, 1, 0); + sqlite3VdbeAddParseSchemaOp(pParse->pVdbe, iDb, 0, p5); + if( iDb!=1 ) sqlite3VdbeAddParseSchemaOp(pParse->pVdbe, 1, 0, p5); } } @@ -105902,9 +114323,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( const char *zTabName; /* Original name of the table */ Vdbe *v; VTable *pVTab = 0; /* Non-zero if this is a v-tab with an xRename() */ - u32 savedDbFlags; /* Saved value of db->mDbFlags */ - savedDbFlags = db->mDbFlags; if( NEVER(db->mallocFailed) ) goto exit_rename_table; assert( pSrc->nSrc==1 ); assert( sqlite3BtreeHoldsAllMutexes(pParse->db) ); @@ -105913,7 +114332,6 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( if( !pTab ) goto exit_rename_table; iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema); zDb = db->aDb[iDb].zDbSName; - db->mDbFlags |= DBFLAG_PreferBuiltin; /* Get a NULL terminated version of the new table name. */ zName = sqlite3NameFromToken(db, pName); @@ -105942,7 +114360,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( } #ifndef SQLITE_OMIT_VIEW - if( pTab->pSelect ){ + if( IsView(pTab) ){ sqlite3ErrorMsg(pParse, "view %s may not be altered", pTab->zName); goto exit_rename_table; } @@ -105984,7 +114402,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( /* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in ** the schema to use the new table name. */ sqlite3NestedParse(pParse, - "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " + "UPDATE \"%w\"." LEGACY_SCHEMA_TABLE " SET " "sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, %d) " "WHERE (type!='index' OR tbl_name=%Q COLLATE nocase)" "AND name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" @@ -105994,7 +114412,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( /* Update the tbl_name and name columns of the sqlite_schema table ** as required. */ sqlite3NestedParse(pParse, - "UPDATE %Q." DFLT_SCHEMA_TABLE " SET " + "UPDATE %Q." LEGACY_SCHEMA_TABLE " SET " "tbl_name = %Q, " "name = CASE " "WHEN type='table' THEN %Q " @@ -106029,7 +114447,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( "sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, 1), " "tbl_name = " "CASE WHEN tbl_name=%Q COLLATE nocase AND " - " sqlite_rename_test(%Q, sql, type, name, 1) " + " sqlite_rename_test(%Q, sql, type, name, 1, 'after rename', 0) " "THEN %Q ELSE tbl_name END " "WHERE type IN ('view', 'trigger')" , zDb, zTabName, zName, zTabName, zDb, zName); @@ -106048,13 +114466,12 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( } #endif - renameReloadSchema(pParse, iDb); - renameTestSchema(pParse, zDb, iDb==1); + renameReloadSchema(pParse, iDb, INITFLAG_AlterRename); + renameTestSchema(pParse, zDb, iDb==1, "after rename", 0); exit_rename_table: sqlite3SrcListDelete(db, pSrc); sqlite3DbFree(db, zName); - db->mDbFlags = savedDbFlags; } /* @@ -106095,7 +114512,9 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ int r1; /* Temporary registers */ db = pParse->db; - if( pParse->nErr || db->mallocFailed ) return; + assert( db->pParse==pParse ); + if( pParse->nErr ) return; + assert( db->mallocFailed==0 ); pNew = pParse->pNewTable; assert( pNew ); @@ -106104,7 +114523,7 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ zDb = db->aDb[iDb].zDbSName; zTab = &pNew->zName[16]; /* Skip the "sqlite_altertab_" prefix on the name */ pCol = &pNew->aCol[pNew->nCol-1]; - pDflt = pCol->pDflt; + pDflt = sqlite3ColumnExpr(pNew, pCol); pTab = sqlite3FindTable(db, zTab, zDb); assert( pTab ); @@ -106138,7 +114557,8 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ if( pDflt && pDflt->pLeft->op==TK_NULL ){ pDflt = 0; } - if( (db->flags&SQLITE_ForeignKeys) && pNew->pFKey && pDflt ){ + assert( IsOrdinaryTable(pNew) ); + if( (db->flags&SQLITE_ForeignKeys) && pNew->u.tab.pFKey && pDflt ){ sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, "Cannot add a REFERENCES column with non-NULL default value"); } @@ -106175,28 +114595,30 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ zCol = sqlite3DbStrNDup(db, (char*)pColDef->z, pColDef->n); if( zCol ){ char *zEnd = &zCol[pColDef->n-1]; - u32 savedDbFlags = db->mDbFlags; while( zEnd>zCol && (*zEnd==';' || sqlite3Isspace(*zEnd)) ){ *zEnd-- = '\0'; } - db->mDbFlags |= DBFLAG_PreferBuiltin; + /* substr() operations on characters, but addColOffset is in bytes. So we + ** have to use printf() to translate between these units: */ + assert( IsOrdinaryTable(pTab) ); + assert( IsOrdinaryTable(pNew) ); sqlite3NestedParse(pParse, - "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " - "sql = substr(sql,1,%d) || ', ' || %Q || substr(sql,%d) " + "UPDATE \"%w\"." LEGACY_SCHEMA_TABLE " SET " + "sql = printf('%%.%ds, ',sql) || %Q" + " || substr(sql,1+length(printf('%%.%ds',sql))) " "WHERE type = 'table' AND name = %Q", - zDb, pNew->addColOffset, zCol, pNew->addColOffset+1, + zDb, pNew->u.tab.addColOffset, zCol, pNew->u.tab.addColOffset, zTab ); sqlite3DbFree(db, zCol); - db->mDbFlags = savedDbFlags; } - /* Make sure the schema version is at least 3. But do not upgrade - ** from less than 3 to 4, as that will corrupt any preexisting DESC - ** index. - */ v = sqlite3GetVdbe(pParse); if( v ){ + /* Make sure the schema version is at least 3. But do not upgrade + ** from less than 3 to 4, as that will corrupt any preexisting DESC + ** index. + */ r1 = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, BTREE_FILE_FORMAT); sqlite3VdbeUsesBtree(v, iDb); @@ -106205,10 +114627,25 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ VdbeCoverage(v); sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, 3); sqlite3ReleaseTempReg(pParse, r1); - } - /* Reload the table definition */ - renameReloadSchema(pParse, iDb); + /* Reload the table definition */ + renameReloadSchema(pParse, iDb, INITFLAG_AlterAdd); + + /* Verify that constraints are still satisfied */ + if( pNew->pCheck!=0 + || (pCol->notNull && (pCol->colFlags & COLFLAG_GENERATED)!=0) + ){ + sqlite3NestedParse(pParse, + "SELECT CASE WHEN quick_check GLOB 'CHECK*'" + " THEN raise(ABORT,'CHECK constraint failed')" + " ELSE raise(ABORT,'NOT NULL constraint failed')" + " END" + " FROM pragma_quick_check(%Q,%Q)" + " WHERE quick_check GLOB 'CHECK*' OR quick_check GLOB 'NULL*'", + zTab, zDb + ); + } + } } /* @@ -106249,7 +114686,7 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ #endif /* Make sure this is not an attempt to ALTER a view. */ - if( pTab->pSelect ){ + if( IsView(pTab) ){ sqlite3ErrorMsg(pParse, "Cannot add a column to a view"); goto exit_begin_add_column; } @@ -106258,7 +114695,8 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ } sqlite3MayAbort(pParse); - assert( pTab->addColOffset>0 ); + assert( IsOrdinaryTable(pTab) ); + assert( pTab->u.tab.addColOffset>0 ); iDb = sqlite3SchemaToIndex(db, pTab->pSchema); /* Put a copy of the Table struct in Parse.pNewTable for the @@ -106285,14 +114723,14 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ memcpy(pNew->aCol, pTab->aCol, sizeof(Column)*pNew->nCol); for(i=0; inCol; i++){ Column *pCol = &pNew->aCol[i]; - pCol->zName = sqlite3DbStrDup(db, pCol->zName); - pCol->hName = sqlite3StrIHash(pCol->zName); - pCol->zColl = 0; - pCol->pDflt = 0; + pCol->zCnName = sqlite3DbStrDup(db, pCol->zCnName); + pCol->hName = sqlite3StrIHash(pCol->zCnName); } + assert( IsOrdinaryTable(pNew) ); + pNew->u.tab.pDfltList = sqlite3ExprListDup(db, pTab->u.tab.pDfltList, 0); pNew->pSchema = db->aDb[iDb].pSchema; - pNew->addColOffset = pTab->addColOffset; - pNew->nTabRef = 1; + pNew->u.tab.addColOffset = pTab->u.tab.addColOffset; + assert( pNew->nTabRef==1 ); exit_begin_add_column: sqlite3SrcListDelete(db, pSrc); @@ -106308,10 +114746,10 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ ** Or, if pTab is not a view or virtual table, zero is returned. */ #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) -static int isRealTable(Parse *pParse, Table *pTab){ +static int isRealTable(Parse *pParse, Table *pTab, int bDrop){ const char *zType = 0; #ifndef SQLITE_OMIT_VIEW - if( pTab->pSelect ){ + if( IsView(pTab) ){ zType = "view"; } #endif @@ -106321,15 +114759,16 @@ static int isRealTable(Parse *pParse, Table *pTab){ } #endif if( zType ){ - sqlite3ErrorMsg( - pParse, "cannot rename columns of %s \"%s\"", zType, pTab->zName + sqlite3ErrorMsg(pParse, "cannot %s %s \"%s\"", + (bDrop ? "drop column from" : "rename columns of"), + zType, pTab->zName ); return 1; } return 0; } #else /* !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) */ -# define isRealTable(x,y) (0) +# define isRealTable(x,y,z) (0) #endif /* @@ -106358,7 +114797,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( /* Cannot alter a system table */ if( SQLITE_OK!=isAlterableTable(pParse, pTab) ) goto exit_rename_column; - if( SQLITE_OK!=isRealTable(pParse, pTab) ) goto exit_rename_column; + if( SQLITE_OK!=isRealTable(pParse, pTab, 0) ) goto exit_rename_column; /* Which schema holds the table to be altered */ iSchema = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -106377,13 +114816,17 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( zOld = sqlite3NameFromToken(db, pOld); if( !zOld ) goto exit_rename_column; for(iCol=0; iColnCol; iCol++){ - if( 0==sqlite3StrICmp(pTab->aCol[iCol].zName, zOld) ) break; + if( 0==sqlite3StrICmp(pTab->aCol[iCol].zCnName, zOld) ) break; } if( iCol==pTab->nCol ){ - sqlite3ErrorMsg(pParse, "no such column: \"%s\"", zOld); + sqlite3ErrorMsg(pParse, "no such column: \"%T\"", pOld); goto exit_rename_column; } + /* Ensure the schema contains no double-quoted strings */ + renameTestSchema(pParse, zDb, iSchema==1, "", 0); + renameFixQuotes(pParse, zDb, iSchema==1); + /* Do the rename operation using a recursive UPDATE statement that ** uses the sqlite_rename_column() SQL function to compute the new ** CREATE statement text for the sqlite_schema table. @@ -106394,26 +114837,25 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( assert( pNew->n>0 ); bQuote = sqlite3Isquote(pNew->z[0]); sqlite3NestedParse(pParse, - "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " + "UPDATE \"%w\"." LEGACY_SCHEMA_TABLE " SET " "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X' " - " AND (type != 'index' OR tbl_name = %Q)" - " AND sql NOT LIKE 'create virtual%%'", + " AND (type != 'index' OR tbl_name = %Q)", zDb, zDb, pTab->zName, iCol, zNew, bQuote, iSchema==1, pTab->zName ); sqlite3NestedParse(pParse, - "UPDATE temp." DFLT_SCHEMA_TABLE " SET " + "UPDATE temp." LEGACY_SCHEMA_TABLE " SET " "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, 1) " "WHERE type IN ('trigger', 'view')", zDb, pTab->zName, iCol, zNew, bQuote ); /* Drop and reload the database schema. */ - renameReloadSchema(pParse, iSchema); - renameTestSchema(pParse, zDb, iSchema==1); + renameReloadSchema(pParse, iSchema, INITFLAG_AlterRename); + renameTestSchema(pParse, zDb, iSchema==1, "after rename", 1); exit_rename_column: sqlite3SrcListDelete(db, pSrc); @@ -106440,7 +114882,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( ** the parse tree. */ struct RenameToken { - void *p; /* Parse tree element created by token t */ + const void *p; /* Parse tree element created by token t */ Token t; /* The token that created parse tree element p */ RenameToken *pNext; /* Next is a list of all RenameToken objects */ }; @@ -106482,16 +114924,19 @@ struct RenameCtx { ** Technically, as x no longer points into a valid object or to the byte ** following a valid object, it may not be used in comparison operations. */ -static void renameTokenCheckAll(Parse *pParse, void *pPtr){ - if( pParse->nErr==0 && pParse->db->mallocFailed==0 ){ - RenameToken *p; - u8 i = 0; +static void renameTokenCheckAll(Parse *pParse, const void *pPtr){ + assert( pParse==pParse->db->pParse ); + assert( pParse->db->mallocFailed==0 || pParse->nErr!=0 ); + if( pParse->nErr==0 ){ + const RenameToken *p; + u32 i = 1; for(p=pParse->pRename; p; p=p->pNext){ if( p->p ){ assert( p->p!=pPtr ); - i += *(u8*)(p->p); + i += *(u8*)(p->p) | 1; } } + assert( i>0 ); } } #else @@ -106510,7 +114955,11 @@ static void renameTokenCheckAll(Parse *pParse, void *pPtr){ ** with tail recursion in tokenExpr() routine, for a small performance ** improvement. */ -SQLITE_PRIVATE void *sqlite3RenameTokenMap(Parse *pParse, void *pPtr, Token *pToken){ +SQLITE_PRIVATE const void *sqlite3RenameTokenMap( + Parse *pParse, + const void *pPtr, + const Token *pToken +){ RenameToken *pNew; assert( pPtr || pParse->db->mallocFailed ); renameTokenCheckAll(pParse, pPtr); @@ -106532,7 +114981,7 @@ SQLITE_PRIVATE void *sqlite3RenameTokenMap(Parse *pParse, void *pPtr, Token *pTo ** with parse tree element pFrom. This function remaps the associated token ** to parse tree element pTo. */ -SQLITE_PRIVATE void sqlite3RenameTokenRemap(Parse *pParse, void *pTo, void *pFrom){ +SQLITE_PRIVATE void sqlite3RenameTokenRemap(Parse *pParse, const void *pTo, const void *pFrom){ RenameToken *p; renameTokenCheckAll(pParse, pTo); for(p=pParse->pRename; p; p=p->pNext){ @@ -106548,7 +114997,10 @@ SQLITE_PRIVATE void sqlite3RenameTokenRemap(Parse *pParse, void *pTo, void *pFro */ static int renameUnmapExprCb(Walker *pWalker, Expr *pExpr){ Parse *pParse = pWalker->pParse; - sqlite3RenameTokenRemap(pParse, 0, (void*)pExpr); + sqlite3RenameTokenRemap(pParse, 0, (const void*)pExpr); + if( ExprUseYTab(pExpr) ){ + sqlite3RenameTokenRemap(pParse, 0, (const void*)&pExpr->y.pTab); + } return WRC_Continue; } @@ -106559,15 +115011,31 @@ static int renameUnmapExprCb(Walker *pWalker, Expr *pExpr){ static void renameWalkWith(Walker *pWalker, Select *pSelect){ With *pWith = pSelect->pWith; if( pWith ){ + Parse *pParse = pWalker->pParse; int i; + With *pCopy = 0; + assert( pWith->nCte>0 ); + if( (pWith->a[0].pSelect->selFlags & SF_Expanded)==0 ){ + /* Push a copy of the With object onto the with-stack. We use a copy + ** here as the original will be expanded and resolved (flags SF_Expanded + ** and SF_Resolved) below. And the parser code that uses the with-stack + ** fails if the Select objects on it have already been expanded and + ** resolved. */ + pCopy = sqlite3WithDup(pParse->db, pWith); + pCopy = sqlite3WithPush(pParse, pCopy, 1); + } for(i=0; inCte; i++){ Select *p = pWith->a[i].pSelect; NameContext sNC; memset(&sNC, 0, sizeof(sNC)); - sNC.pParse = pWalker->pParse; - sqlite3SelectPrep(sNC.pParse, p, &sNC); + sNC.pParse = pParse; + if( pCopy ) sqlite3SelectPrep(sNC.pParse, p, &sNC); + if( sNC.pParse->db->mallocFailed ) return; sqlite3WalkSelect(pWalker, p); - sqlite3RenameExprlistUnmap(pWalker->pParse, pWith->a[i].pCols); + sqlite3RenameExprlistUnmap(pParse, pWith->a[i].pCols); + } + if( pCopy && pParse->pWith==pCopy ){ + pParse->pWith = pCopy->pOuter; } } } @@ -106577,13 +115045,12 @@ static void renameWalkWith(Walker *pWalker, Select *pSelect){ */ static void unmapColumnIdlistNames( Parse *pParse, - IdList *pIdList + const IdList *pIdList ){ - if( pIdList ){ - int ii; - for(ii=0; iinId; ii++){ - sqlite3RenameTokenRemap(pParse, 0, (void*)pIdList->a[ii].zName); - } + int ii; + assert( pIdList!=0 ); + for(ii=0; iinId; ii++){ + sqlite3RenameTokenRemap(pParse, 0, (const void*)pIdList->a[ii].zName); } } @@ -106594,11 +115061,15 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; int i; if( pParse->nErr ) return WRC_Abort; - if( NEVER(p->selFlags & SF_View) ) return WRC_Prune; + testcase( p->selFlags & SF_View ); + testcase( p->selFlags & SF_CopyCte ); + if( p->selFlags & (SF_View|SF_CopyCte) ){ + return WRC_Prune; + } if( ALWAYS(p->pEList) ){ ExprList *pList = p->pEList; for(i=0; inExpr; i++){ - if( pList->a[i].zEName && pList->a[i].eEName==ENAME_NAME ){ + if( pList->a[i].zEName && pList->a[i].fg.eEName==ENAME_NAME ){ sqlite3RenameTokenRemap(pParse, 0, (void*)pList->a[i].zEName); } } @@ -106607,8 +115078,11 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){ SrcList *pSrc = p->pSrc; for(i=0; inSrc; i++){ sqlite3RenameTokenRemap(pParse, 0, (void*)pSrc->a[i].zName); - if( sqlite3WalkExpr(pWalker, pSrc->a[i].pOn) ) return WRC_Abort; - unmapColumnIdlistNames(pParse, pSrc->a[i].pUsing); + if( pSrc->a[i].fg.isUsing==0 ){ + sqlite3WalkExpr(pWalker, pSrc->a[i].u3.pOn); + }else{ + unmapColumnIdlistNames(pParse, pSrc->a[i].u3.pUsing); + } } } @@ -106644,7 +115118,7 @@ SQLITE_PRIVATE void sqlite3RenameExprlistUnmap(Parse *pParse, ExprList *pEList){ sWalker.xExprCallback = renameUnmapExprCb; sqlite3WalkExprList(&sWalker, pEList); for(i=0; inExpr; i++){ - if( ALWAYS(pEList->a[i].eEName==ENAME_NAME) ){ + if( ALWAYS(pEList->a[i].fg.eEName==ENAME_NAME) ){ sqlite3RenameTokenRemap(pParse, 0, (void*)pEList->a[i].zEName); } } @@ -106665,23 +115139,35 @@ static void renameTokenFree(sqlite3 *db, RenameToken *pToken){ /* ** Search the Parse object passed as the first argument for a RenameToken -** object associated with parse tree element pPtr. If found, remove it -** from the Parse object and add it to the list maintained by the -** RenameCtx object passed as the second argument. +** object associated with parse tree element pPtr. If found, return a pointer +** to it. Otherwise, return NULL. +** +** If the second argument passed to this function is not NULL and a matching +** RenameToken object is found, remove it from the Parse object and add it to +** the list maintained by the RenameCtx object. */ -static void renameTokenFind(Parse *pParse, struct RenameCtx *pCtx, void *pPtr){ +static RenameToken *renameTokenFind( + Parse *pParse, + struct RenameCtx *pCtx, + const void *pPtr +){ RenameToken **pp; - assert( pPtr!=0 ); + if( NEVER(pPtr==0) ){ + return 0; + } for(pp=&pParse->pRename; (*pp); pp=&(*pp)->pNext){ if( (*pp)->p==pPtr ){ RenameToken *pToken = *pp; - *pp = pToken->pNext; - pToken->pNext = pCtx->pList; - pCtx->pList = pToken; - pCtx->nList++; - break; + if( pCtx ){ + *pp = pToken->pNext; + pToken->pNext = pCtx->pList; + pCtx->pList = pToken; + pCtx->nList++; + } + return pToken; } } + return 0; } /* @@ -106690,7 +115176,11 @@ static void renameTokenFind(Parse *pParse, struct RenameCtx *pCtx, void *pPtr){ ** descend into sub-select statements. */ static int renameColumnSelectCb(Walker *pWalker, Select *p){ - if( p->selFlags & SF_View ) return WRC_Prune; + if( p->selFlags & (SF_View|SF_CopyCte) ){ + testcase( p->selFlags & SF_View ); + testcase( p->selFlags & SF_CopyCte ); + return WRC_Prune; + } renameWalkWith(pWalker, p); return WRC_Continue; } @@ -106713,6 +115203,7 @@ static int renameColumnExprCb(Walker *pWalker, Expr *pExpr){ renameTokenFind(pWalker->pParse, p, (void*)pExpr); }else if( pExpr->op==TK_COLUMN && pExpr->iColumn==p->iCol + && ALWAYS(ExprUseYTab(pExpr)) && p->pTab==pExpr->y.pTab ){ renameTokenFind(pWalker->pParse, p, (void*)pExpr); @@ -106744,7 +115235,7 @@ static RenameToken *renameColumnTokenNext(RenameCtx *pCtx){ } /* -** An error occured while parsing or otherwise processing a database +** An error occurred while parsing or otherwise processing a database ** object (either pParse->pNewTable, pNewIndex or pNewTrigger) as part of an ** ALTER TABLE RENAME COLUMN program. The error message emitted by the ** sub-routine is currently stored in pParse->zErrMsg. This function @@ -106752,7 +115243,7 @@ static RenameToken *renameColumnTokenNext(RenameCtx *pCtx){ */ static void renameColumnParseError( sqlite3_context *pCtx, - int bPost, + const char *zWhen, sqlite3_value *pType, sqlite3_value *pObject, Parse *pParse @@ -106761,12 +115252,12 @@ static void renameColumnParseError( const char *zN = (const char*)sqlite3_value_text(pObject); char *zErr; - zErr = sqlite3_mprintf("error in %s %s%s: %s", - zT, zN, (bPost ? " after rename" : ""), + zErr = sqlite3MPrintf(pParse->db, "error in %s %s%s%s: %s", + zT, zN, (zWhen[0] ? " " : ""), zWhen, pParse->zErrMsg ); sqlite3_result_error(pCtx, zErr, -1); - sqlite3_free(zErr); + sqlite3DbFree(pParse->db, zErr); } /* @@ -106778,18 +115269,18 @@ static void renameColumnParseError( static void renameColumnElistNames( Parse *pParse, RenameCtx *pCtx, - ExprList *pEList, + const ExprList *pEList, const char *zOld ){ if( pEList ){ int i; for(i=0; inExpr; i++){ - char *zName = pEList->a[i].zEName; - if( ALWAYS(pEList->a[i].eEName==ENAME_NAME) + const char *zName = pEList->a[i].zEName; + if( ALWAYS(pEList->a[i].fg.eEName==ENAME_NAME) && ALWAYS(zName!=0) && 0==sqlite3_stricmp(zName, zOld) ){ - renameTokenFind(pParse, pCtx, (void*)zName); + renameTokenFind(pParse, pCtx, (const void*)zName); } } } @@ -106803,15 +115294,15 @@ static void renameColumnElistNames( static void renameColumnIdlistNames( Parse *pParse, RenameCtx *pCtx, - IdList *pIdList, + const IdList *pIdList, const char *zOld ){ if( pIdList ){ int i; for(i=0; inId; i++){ - char *zName = pIdList->a[i].zName; + const char *zName = pIdList->a[i].zName; if( 0==sqlite3_stricmp(zName, zOld) ){ - renameTokenFind(pParse, pCtx, (void*)zName); + renameTokenFind(pParse, pCtx, (const void*)zName); } } } @@ -106830,24 +115321,22 @@ static int renameParseSql( int bTemp /* True if SQL is from temp schema */ ){ int rc; - char *zErr = 0; + sqlite3ParseObjectInit(p, db); + if( zSql==0 ){ + return SQLITE_NOMEM; + } + if( sqlite3StrNICmp(zSql,"CREATE ",7)!=0 ){ + return SQLITE_CORRUPT_BKPT; + } db->init.iDb = bTemp ? 1 : sqlite3FindDbName(db, zDb); - - /* Parse the SQL statement passed as the first argument. If no error - ** occurs and the parse does not result in a new table, index or - ** trigger object, the database must be corrupt. */ - memset(p, 0, sizeof(Parse)); p->eParseMode = PARSE_MODE_RENAME; p->db = db; p->nQueryLoop = 1; - rc = sqlite3RunParser(p, zSql, &zErr); - assert( p->zErrMsg==0 ); - assert( rc!=SQLITE_OK || zErr==0 ); - p->zErrMsg = zErr; + rc = sqlite3RunParser(p, zSql); if( db->mallocFailed ) rc = SQLITE_NOMEM; if( rc==SQLITE_OK - && p->pNewTable==0 && p->pNewIndex==0 && p->pNewTrigger==0 + && NEVER(p->pNewTable==0 && p->pNewIndex==0 && p->pNewTrigger==0) ){ rc = SQLITE_CORRUPT_BKPT; } @@ -106884,51 +115373,76 @@ static int renameEditSql( const char *zNew, /* New token text */ int bQuote /* True to always quote token */ ){ - int nNew = sqlite3Strlen30(zNew); - int nSql = sqlite3Strlen30(zSql); + i64 nNew = sqlite3Strlen30(zNew); + i64 nSql = sqlite3Strlen30(zSql); sqlite3 *db = sqlite3_context_db_handle(pCtx); int rc = SQLITE_OK; - char *zQuot; + char *zQuot = 0; char *zOut; - int nQuot; - - /* Set zQuot to point to a buffer containing a quoted copy of the - ** identifier zNew. If the corresponding identifier in the original - ** ALTER TABLE statement was quoted (bQuote==1), then set zNew to - ** point to zQuot so that all substitutions are made using the - ** quoted version of the new column name. */ - zQuot = sqlite3MPrintf(db, "\"%w\"", zNew); - if( zQuot==0 ){ - return SQLITE_NOMEM; + i64 nQuot = 0; + char *zBuf1 = 0; + char *zBuf2 = 0; + + if( zNew ){ + /* Set zQuot to point to a buffer containing a quoted copy of the + ** identifier zNew. If the corresponding identifier in the original + ** ALTER TABLE statement was quoted (bQuote==1), then set zNew to + ** point to zQuot so that all substitutions are made using the + ** quoted version of the new column name. */ + zQuot = sqlite3MPrintf(db, "\"%w\" ", zNew); + if( zQuot==0 ){ + return SQLITE_NOMEM; + }else{ + nQuot = sqlite3Strlen30(zQuot)-1; + } + + assert( nQuot>=nNew ); + zOut = sqlite3DbMallocZero(db, nSql + pRename->nList*nQuot + 1); }else{ - nQuot = sqlite3Strlen30(zQuot); - } - if( bQuote ){ - zNew = zQuot; - nNew = nQuot; + zOut = (char*)sqlite3DbMallocZero(db, (nSql*2+1) * 3); + if( zOut ){ + zBuf1 = &zOut[nSql*2+1]; + zBuf2 = &zOut[nSql*4+2]; + } } /* At this point pRename->pList contains a list of RenameToken objects ** corresponding to all tokens in the input SQL that must be replaced - ** with the new column name. All that remains is to construct and - ** return the edited SQL string. */ - assert( nQuot>=nNew ); - zOut = sqlite3DbMallocZero(db, nSql + pRename->nList*nQuot + 1); + ** with the new column name, or with single-quoted versions of themselves. + ** All that remains is to construct and return the edited SQL string. */ if( zOut ){ int nOut = nSql; memcpy(zOut, zSql, nSql); while( pRename->pList ){ int iOff; /* Offset of token to replace in zOut */ - RenameToken *pBest = renameColumnTokenNext(pRename); - u32 nReplace; const char *zReplace; - if( sqlite3IsIdChar(*pBest->t.z) ){ - nReplace = nNew; - zReplace = zNew; + RenameToken *pBest = renameColumnTokenNext(pRename); + + if( zNew ){ + if( bQuote==0 && sqlite3IsIdChar(*pBest->t.z) ){ + nReplace = nNew; + zReplace = zNew; + }else{ + nReplace = nQuot; + zReplace = zQuot; + if( pBest->t.z[pBest->t.n]=='"' ) nReplace++; + } }else{ - nReplace = nQuot; - zReplace = zQuot; + /* Dequote the double-quoted token. Then requote it again, this time + ** using single quotes. If the character immediately following the + ** original token within the input SQL was a single quote ('), then + ** add another space after the new, single-quoted version of the + ** token. This is so that (SELECT "string"'alias') maps to + ** (SELECT 'string' 'alias'), and not (SELECT 'string''alias'). */ + memcpy(zBuf1, pBest->t.z, pBest->t.n); + zBuf1[pBest->t.n] = 0; + sqlite3Dequote(zBuf1); + sqlite3_snprintf(nSql*2, zBuf2, "%Q%s", zBuf1, + pBest->t.z[pBest->t.n]=='\'' ? " " : "" + ); + zReplace = zBuf2; + nReplace = sqlite3Strlen30(zReplace); } iOff = pBest->t.z - zSql; @@ -106953,6 +115467,19 @@ static int renameEditSql( return rc; } +/* +** Set all pEList->a[].fg.eEName fields in the expression-list to val. +*/ +static void renameSetENames(ExprList *pEList, int val){ + if( pEList ){ + int i; + for(i=0; inExpr; i++){ + assert( val==ENAME_NAME || pEList->a[i].fg.eEName==ENAME_NAME ); + pEList->a[i].fg.eEName = val; + } + } +} + /* ** Resolve all symbols in the trigger at pParse->pNewTrigger, assuming ** it was read from the schema of database zDb. Return SQLITE_OK if @@ -106992,18 +115519,45 @@ static int renameResolveTrigger(Parse *pParse){ if( rc==SQLITE_OK && pStep->zTarget ){ SrcList *pSrc = sqlite3TriggerStepSrc(pParse, pStep); if( pSrc ){ - int i; - for(i=0; inSrc && rc==SQLITE_OK; i++){ - struct SrcList_item *p = &pSrc->a[i]; - p->pTab = sqlite3LocateTableItem(pParse, 0, p); - p->iCursor = pParse->nTab++; - if( p->pTab==0 ){ - rc = SQLITE_ERROR; - }else{ - p->pTab->nTabRef++; - rc = sqlite3ViewGetColumnNames(pParse, p->pTab); + Select *pSel = sqlite3SelectNew( + pParse, pStep->pExprList, pSrc, 0, 0, 0, 0, 0, 0 + ); + if( pSel==0 ){ + pStep->pExprList = 0; + pSrc = 0; + rc = SQLITE_NOMEM; + }else{ + /* pStep->pExprList contains an expression-list used for an UPDATE + ** statement. So the a[].zEName values are the RHS of the + ** "= " clauses of the UPDATE statement. So, before + ** running SelectPrep(), change all the eEName values in + ** pStep->pExprList to ENAME_SPAN (from their current value of + ** ENAME_NAME). This is to prevent any ids in ON() clauses that are + ** part of pSrc from being incorrectly resolved against the + ** a[].zEName values as if they were column aliases. */ + renameSetENames(pStep->pExprList, ENAME_SPAN); + sqlite3SelectPrep(pParse, pSel, 0); + renameSetENames(pStep->pExprList, ENAME_NAME); + rc = pParse->nErr ? SQLITE_ERROR : SQLITE_OK; + assert( pStep->pExprList==0 || pStep->pExprList==pSel->pEList ); + assert( pSrc==pSel->pSrc ); + if( pStep->pExprList ) pSel->pEList = 0; + pSel->pSrc = 0; + sqlite3SelectDelete(db, pSel); + } + if( pStep->pFrom ){ + int i; + for(i=0; ipFrom->nSrc && rc==SQLITE_OK; i++){ + SrcItem *p = &pStep->pFrom->a[i]; + if( p->pSelect ){ + sqlite3SelectPrep(pParse, p->pSelect, 0); + } } } + + if( db->mallocFailed ){ + rc = SQLITE_NOMEM; + } sNC.pSrcList = pSrc; if( rc==SQLITE_OK && pStep->pWhere ){ rc = sqlite3ResolveExprNames(&sNC, pStep->pWhere); @@ -107012,9 +115566,8 @@ static int renameResolveTrigger(Parse *pParse){ rc = sqlite3ResolveExprListNames(&sNC, pStep->pExprList); } assert( !pStep->pUpsert || (!pStep->pWhere && !pStep->pExprList) ); - if( pStep->pUpsert ){ + if( pStep->pUpsert && rc==SQLITE_OK ){ Upsert *pUpsert = pStep->pUpsert; - assert( rc==SQLITE_OK ); pUpsert->pUpsertSrc = pSrc; sNC.uNC.pUpsert = pUpsert; sNC.ncFlags = NC_UUpsert; @@ -107063,6 +115616,12 @@ static void renameWalkTrigger(Walker *pWalker, Trigger *pTrigger){ sqlite3WalkExpr(pWalker, pUpsert->pUpsertWhere); sqlite3WalkExpr(pWalker, pUpsert->pUpsertTargetWhere); } + if( pStep->pFrom ){ + int i; + for(i=0; ipFrom->nSrc; i++){ + sqlite3WalkSelect(pWalker, pStep->pFrom->a[i].pSelect); + } + } } } @@ -107084,13 +115643,13 @@ static void renameParseCleanup(Parse *pParse){ sqlite3DeleteTrigger(db, pParse->pNewTrigger); sqlite3DbFree(db, pParse->zErrMsg); renameTokenFree(db, pParse->pRename); - sqlite3ParserReset(pParse); + sqlite3ParseObjectReset(pParse); } /* ** SQL function: ** -** sqlite_rename_column(zSql, iCol, bQuote, zNew, zTable, zOld) +** sqlite_rename_column(SQL,TYPE,OBJ,DB,TABLE,COL,NEWNAME,QUOTE,TEMP) ** ** 0. zSql: SQL statement to rewrite ** 1. type: Type of object ("table", "view" etc.) @@ -107108,7 +115667,8 @@ static void renameParseCleanup(Parse *pParse){ ** ** This function is used internally by the ALTER TABLE RENAME COLUMN command. ** It is only accessible to SQL created using sqlite3NestedParse(). It is -** not reachable from ordinary SQL passed into sqlite3_prepare(). +** not reachable from ordinary SQL passed into sqlite3_prepare() unless the +** SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test setting is enabled. */ static void renameColumnFunc( sqlite3_context *context, @@ -107146,7 +115706,7 @@ static void renameColumnFunc( sqlite3BtreeLeaveAll(db); return; } - zOld = pTab->aCol[iCol].zName; + zOld = pTab->aCol[iCol].zCnName; memset(&sCtx, 0, sizeof(sCtx)); sCtx.iCol = ((iCol==pTab->iPKey) ? -1 : iCol); @@ -107165,8 +115725,8 @@ static void renameColumnFunc( sCtx.pTab = pTab; if( rc!=SQLITE_OK ) goto renameColumnFunc_done; if( sParse.pNewTable ){ - Select *pSelect = sParse.pNewTable->pSelect; - if( pSelect ){ + if( IsView(sParse.pNewTable) ){ + Select *pSelect = sParse.pNewTable->u.view.pSelect; pSelect->selFlags &= ~SF_View; sParse.rc = SQLITE_OK; sqlite3SelectPrep(&sParse, pSelect, 0); @@ -107175,16 +115735,17 @@ static void renameColumnFunc( sqlite3WalkSelect(&sWalker, pSelect); } if( rc!=SQLITE_OK ) goto renameColumnFunc_done; - }else{ + }else if( IsOrdinaryTable(sParse.pNewTable) ){ /* A regular table */ int bFKOnly = sqlite3_stricmp(zTable, sParse.pNewTable->zName); FKey *pFKey; - assert( sParse.pNewTable->pSelect==0 ); sCtx.pTab = sParse.pNewTable; if( bFKOnly==0 ){ - renameTokenFind( - &sParse, &sCtx, (void*)sParse.pNewTable->aCol[iCol].zName - ); + if( iColnCol ){ + renameTokenFind( + &sParse, &sCtx, (void*)sParse.pNewTable->aCol[iCol].zCnName + ); + } if( sCtx.iCol<0 ){ renameTokenFind(&sParse, &sCtx, (void*)&sParse.pNewTable->iPKey); } @@ -107195,14 +115756,17 @@ static void renameColumnFunc( for(pIdx=sParse.pNewIndex; pIdx; pIdx=pIdx->pNext){ sqlite3WalkExprList(&sWalker, pIdx->aColExpr); } - } #ifndef SQLITE_OMIT_GENERATED_COLUMNS - for(i=0; inCol; i++){ - sqlite3WalkExpr(&sWalker, sParse.pNewTable->aCol[i].pDflt); - } + for(i=0; inCol; i++){ + Expr *pExpr = sqlite3ColumnExpr(sParse.pNewTable, + &sParse.pNewTable->aCol[i]); + sqlite3WalkExpr(&sWalker, pExpr); + } #endif + } - for(pFKey=sParse.pNewTable->pFKey; pFKey; pFKey=pFKey->pNextFrom){ + assert( IsOrdinaryTable(sParse.pNewTable) ); + for(pFKey=sParse.pNewTable->u.tab.pFKey; pFKey; pFKey=pFKey->pNextFrom){ for(i=0; inCol; i++){ if( bFKOnly==0 && pFKey->aCol[i].iFrom==iCol ){ renameTokenFind(&sParse, &sCtx, (void*)&pFKey->aCol[i]); @@ -107253,8 +115817,10 @@ static void renameColumnFunc( renameColumnFunc_done: if( rc!=SQLITE_OK ){ - if( sParse.zErrMsg ){ - renameColumnParseError(context, 0, argv[1], argv[2], &sParse); + if( rc==SQLITE_ERROR && sqlite3WritableSchema(db) ){ + sqlite3_result_value(context, argv[0]); + }else if( sParse.zErrMsg ){ + renameColumnParseError(context, "", argv[1], argv[2], &sParse); }else{ sqlite3_result_error_code(context, rc); } @@ -107273,7 +115839,10 @@ static void renameColumnFunc( */ static int renameTableExprCb(Walker *pWalker, Expr *pExpr){ RenameCtx *p = pWalker->u.pRename; - if( pExpr->op==TK_COLUMN && p->pTab==pExpr->y.pTab ){ + if( pExpr->op==TK_COLUMN + && ALWAYS(ExprUseYTab(pExpr)) + && p->pTab==pExpr->y.pTab + ){ renameTokenFind(pWalker->pParse, p, (void*)&pExpr->y.pTab); } return WRC_Continue; @@ -107286,13 +115855,17 @@ static int renameTableSelectCb(Walker *pWalker, Select *pSelect){ int i; RenameCtx *p = pWalker->u.pRename; SrcList *pSrc = pSelect->pSrc; - if( pSelect->selFlags & SF_View ) return WRC_Prune; - if( pSrc==0 ){ + if( pSelect->selFlags & (SF_View|SF_CopyCte) ){ + testcase( pSelect->selFlags & SF_View ); + testcase( pSelect->selFlags & SF_CopyCte ); + return WRC_Prune; + } + if( NEVER(pSrc==0) ){ assert( pWalker->pParse->db->mallocFailed ); return WRC_Abort; } for(i=0; inSrc; i++){ - struct SrcList_item *pItem = &pSrc->a[i]; + SrcItem *pItem = &pSrc->a[i]; if( pItem->pTab==p->pTab ){ renameTokenFind(pWalker->pParse, p, pItem->zName); } @@ -107364,28 +115937,31 @@ static void renameTableFunc( if( sParse.pNewTable ){ Table *pTab = sParse.pNewTable; - if( pTab->pSelect ){ + if( IsView(pTab) ){ if( isLegacy==0 ){ - Select *pSelect = pTab->pSelect; + Select *pSelect = pTab->u.view.pSelect; NameContext sNC; memset(&sNC, 0, sizeof(sNC)); sNC.pParse = &sParse; assert( pSelect->selFlags & SF_View ); pSelect->selFlags &= ~SF_View; - sqlite3SelectPrep(&sParse, pTab->pSelect, &sNC); + sqlite3SelectPrep(&sParse, pTab->u.view.pSelect, &sNC); if( sParse.nErr ){ rc = sParse.rc; }else{ - sqlite3WalkSelect(&sWalker, pTab->pSelect); + sqlite3WalkSelect(&sWalker, pTab->u.view.pSelect); } } }else{ /* Modify any FK definitions to point to the new table. */ #ifndef SQLITE_OMIT_FOREIGN_KEY - if( isLegacy==0 || (db->flags & SQLITE_ForeignKeys) ){ + if( (isLegacy==0 || (db->flags & SQLITE_ForeignKeys)) + && !IsVirtual(pTab) + ){ FKey *pFKey; - for(pFKey=pTab->pFKey; pFKey; pFKey=pFKey->pNextFrom){ + assert( IsOrdinaryTable(pTab) ); + for(pFKey=pTab->u.tab.pFKey; pFKey; pFKey=pFKey->pNextFrom){ if( sqlite3_stricmp(pFKey->zTo, zOld)==0 ){ renameTokenFind(&sParse, &sCtx, (void*)pFKey->zTo); } @@ -107431,6 +116007,15 @@ static void renameTableFunc( if( pStep->zTarget && 0==sqlite3_stricmp(pStep->zTarget, zOld) ){ renameTokenFind(&sParse, &sCtx, pStep->zTarget); } + if( pStep->pFrom ){ + int i; + for(i=0; ipFrom->nSrc; i++){ + SrcItem *pItem = &pStep->pFrom->a[i]; + if( 0==sqlite3_stricmp(pItem->zName, zOld) ){ + renameTokenFind(&sParse, &sCtx, pItem->zName); + } + } + } } } } @@ -107442,8 +116027,10 @@ static void renameTableFunc( rc = renameEditSql(context, &sCtx, zInput, zNew, bQuote); } if( rc!=SQLITE_OK ){ - if( sParse.zErrMsg ){ - renameColumnParseError(context, 0, argv[1], argv[2], &sParse); + if( rc==SQLITE_ERROR && sqlite3WritableSchema(db) ){ + sqlite3_result_value(context, argv[3]); + }else if( sParse.zErrMsg ){ + renameColumnParseError(context, "", argv[1], argv[2], &sParse); }else{ sqlite3_result_error_code(context, rc); } @@ -107460,7 +116047,131 @@ static void renameTableFunc( return; } -/* +static int renameQuotefixExprCb(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_STRING && (pExpr->flags & EP_DblQuoted) ){ + renameTokenFind(pWalker->pParse, pWalker->u.pRename, (const void*)pExpr); + } + return WRC_Continue; +} + +/* SQL function: sqlite_rename_quotefix(DB,SQL) +** +** Rewrite the DDL statement "SQL" so that any string literals that use +** double-quotes use single quotes instead. +** +** Two arguments must be passed: +** +** 0: Database name ("main", "temp" etc.). +** 1: SQL statement to edit. +** +** The returned value is the modified SQL statement. For example, given +** the database schema: +** +** CREATE TABLE t1(a, b, c); +** +** SELECT sqlite_rename_quotefix('main', +** 'CREATE VIEW v1 AS SELECT "a", "string" FROM t1' +** ); +** +** returns the string: +** +** CREATE VIEW v1 AS SELECT "a", 'string' FROM t1 +** +** If there is a error in the input SQL, then raise an error, except +** if PRAGMA writable_schema=ON, then just return the input string +** unmodified following an error. +*/ +static void renameQuotefixFunc( + sqlite3_context *context, + int NotUsed, + sqlite3_value **argv +){ + sqlite3 *db = sqlite3_context_db_handle(context); + char const *zDb = (const char*)sqlite3_value_text(argv[0]); + char const *zInput = (const char*)sqlite3_value_text(argv[1]); + +#ifndef SQLITE_OMIT_AUTHORIZATION + sqlite3_xauth xAuth = db->xAuth; + db->xAuth = 0; +#endif + + sqlite3BtreeEnterAll(db); + + UNUSED_PARAMETER(NotUsed); + if( zDb && zInput ){ + int rc; + Parse sParse; + rc = renameParseSql(&sParse, zDb, db, zInput, 0); + + if( rc==SQLITE_OK ){ + RenameCtx sCtx; + Walker sWalker; + + /* Walker to find tokens that need to be replaced. */ + memset(&sCtx, 0, sizeof(RenameCtx)); + memset(&sWalker, 0, sizeof(Walker)); + sWalker.pParse = &sParse; + sWalker.xExprCallback = renameQuotefixExprCb; + sWalker.xSelectCallback = renameColumnSelectCb; + sWalker.u.pRename = &sCtx; + + if( sParse.pNewTable ){ + if( IsView(sParse.pNewTable) ){ + Select *pSelect = sParse.pNewTable->u.view.pSelect; + pSelect->selFlags &= ~SF_View; + sParse.rc = SQLITE_OK; + sqlite3SelectPrep(&sParse, pSelect, 0); + rc = (db->mallocFailed ? SQLITE_NOMEM : sParse.rc); + if( rc==SQLITE_OK ){ + sqlite3WalkSelect(&sWalker, pSelect); + } + }else{ + int i; + sqlite3WalkExprList(&sWalker, sParse.pNewTable->pCheck); +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + for(i=0; inCol; i++){ + sqlite3WalkExpr(&sWalker, + sqlite3ColumnExpr(sParse.pNewTable, + &sParse.pNewTable->aCol[i])); + } +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + } + }else if( sParse.pNewIndex ){ + sqlite3WalkExprList(&sWalker, sParse.pNewIndex->aColExpr); + sqlite3WalkExpr(&sWalker, sParse.pNewIndex->pPartIdxWhere); + }else{ +#ifndef SQLITE_OMIT_TRIGGER + rc = renameResolveTrigger(&sParse); + if( rc==SQLITE_OK ){ + renameWalkTrigger(&sWalker, sParse.pNewTrigger); + } +#endif /* SQLITE_OMIT_TRIGGER */ + } + + if( rc==SQLITE_OK ){ + rc = renameEditSql(context, &sCtx, zInput, 0, 0); + } + renameTokenFree(db, sCtx.pList); + } + if( rc!=SQLITE_OK ){ + if( sqlite3WritableSchema(db) && rc==SQLITE_ERROR ){ + sqlite3_result_value(context, argv[1]); + }else{ + sqlite3_result_error_code(context, rc); + } + } + renameParseCleanup(&sParse); + } + +#ifndef SQLITE_OMIT_AUTHORIZATION + db->xAuth = xAuth; +#endif + + sqlite3BtreeLeaveAll(db); +} + +/* Function: sqlite_rename_test(DB,SQL,TYPE,NAME,ISTEMP,WHEN,DQS) +** ** An SQL user function that checks that there are no parse or symbol ** resolution problems in a CREATE TRIGGER|TABLE|VIEW|INDEX statement. ** After an ALTER TABLE .. RENAME operation is performed and the schema @@ -107472,12 +116183,16 @@ static void renameTableFunc( ** 2: Object type ("view", "table", "trigger" or "index"). ** 3: Object name. ** 4: True if object is from temp schema. +** 5: "when" part of error message. +** 6: True to disable the DQS quirk when parsing SQL. ** -** Unless it finds an error, this function normally returns NULL. However, it -** returns integer value 1 if: +** The return value is computed as follows: ** -** * the SQL argument creates a trigger, and -** * the table that the trigger is attached to is in database zDb. +** A. If an error is seen and not in PRAGMA writable_schema=ON mode, +** then raise the error. +** B. Else if a trigger is created and the the table that the trigger is +** attached to is in database zDb, then return 1. +** C. Otherwise return NULL. */ static void renameTableTest( sqlite3_context *context, @@ -107489,6 +116204,8 @@ static void renameTableTest( char const *zInput = (const char*)sqlite3_value_text(argv[1]); int bTemp = sqlite3_value_int(argv[4]); int isLegacy = (db->flags & SQLITE_LegacyAlter); + char const *zWhen = (const char*)sqlite3_value_text(argv[5]); + int bNoDQS = sqlite3_value_int(argv[6]); #ifndef SQLITE_OMIT_AUTHORIZATION sqlite3_xauth xAuth = db->xAuth; @@ -107496,16 +116213,20 @@ static void renameTableTest( #endif UNUSED_PARAMETER(NotUsed); + if( zDb && zInput ){ int rc; Parse sParse; + int flags = db->flags; + if( bNoDQS ) db->flags &= ~(SQLITE_DqsDML|SQLITE_DqsDDL); rc = renameParseSql(&sParse, zDb, db, zInput, bTemp); + db->flags |= (flags & (SQLITE_DqsDML|SQLITE_DqsDDL)); if( rc==SQLITE_OK ){ - if( isLegacy==0 && sParse.pNewTable && sParse.pNewTable->pSelect ){ + if( isLegacy==0 && sParse.pNewTable && IsView(sParse.pNewTable) ){ NameContext sNC; memset(&sNC, 0, sizeof(sNC)); sNC.pParse = &sParse; - sqlite3SelectPrep(&sParse, sParse.pNewTable->pSelect, &sNC); + sqlite3SelectPrep(&sParse, sParse.pNewTable->u.view.pSelect, &sNC); if( sParse.nErr ) rc = sParse.rc; } @@ -107516,13 +116237,17 @@ static void renameTableTest( if( rc==SQLITE_OK ){ int i1 = sqlite3SchemaToIndex(db, sParse.pNewTrigger->pTabSchema); int i2 = sqlite3FindDbName(db, zDb); - if( i1==i2 ) sqlite3_result_int(context, 1); + if( i1==i2 ){ + /* Handle output case B */ + sqlite3_result_int(context, 1); + } } } } - if( rc!=SQLITE_OK ){ - renameColumnParseError(context, 1, argv[2], argv[3], &sParse); + if( rc!=SQLITE_OK && zWhen && !sqlite3WritableSchema(db) ){ + /* Output case A */ + renameColumnParseError(context, zWhen, argv[2], argv[3],&sParse); } renameParseCleanup(&sParse); } @@ -107532,14 +116257,232 @@ static void renameTableTest( #endif } +/* +** The implementation of internal UDF sqlite_drop_column(). +** +** Arguments: +** +** argv[0]: An integer - the index of the schema containing the table +** argv[1]: CREATE TABLE statement to modify. +** argv[2]: An integer - the index of the column to remove. +** +** The value returned is a string containing the CREATE TABLE statement +** with column argv[2] removed. +*/ +static void dropColumnFunc( + sqlite3_context *context, + int NotUsed, + sqlite3_value **argv +){ + sqlite3 *db = sqlite3_context_db_handle(context); + int iSchema = sqlite3_value_int(argv[0]); + const char *zSql = (const char*)sqlite3_value_text(argv[1]); + int iCol = sqlite3_value_int(argv[2]); + const char *zDb = db->aDb[iSchema].zDbSName; + int rc; + Parse sParse; + RenameToken *pCol; + Table *pTab; + const char *zEnd; + char *zNew = 0; + +#ifndef SQLITE_OMIT_AUTHORIZATION + sqlite3_xauth xAuth = db->xAuth; + db->xAuth = 0; +#endif + + UNUSED_PARAMETER(NotUsed); + rc = renameParseSql(&sParse, zDb, db, zSql, iSchema==1); + if( rc!=SQLITE_OK ) goto drop_column_done; + pTab = sParse.pNewTable; + if( pTab==0 || pTab->nCol==1 || iCol>=pTab->nCol ){ + /* This can happen if the sqlite_schema table is corrupt */ + rc = SQLITE_CORRUPT_BKPT; + goto drop_column_done; + } + + pCol = renameTokenFind(&sParse, 0, (void*)pTab->aCol[iCol].zCnName); + if( iColnCol-1 ){ + RenameToken *pEnd; + pEnd = renameTokenFind(&sParse, 0, (void*)pTab->aCol[iCol+1].zCnName); + zEnd = (const char*)pEnd->t.z; + }else{ + assert( IsOrdinaryTable(pTab) ); + zEnd = (const char*)&zSql[pTab->u.tab.addColOffset]; + while( ALWAYS(pCol->t.z[0]!=0) && pCol->t.z[0]!=',' ) pCol->t.z--; + } + + zNew = sqlite3MPrintf(db, "%.*s%s", pCol->t.z-zSql, zSql, zEnd); + sqlite3_result_text(context, zNew, -1, SQLITE_TRANSIENT); + sqlite3_free(zNew); + +drop_column_done: + renameParseCleanup(&sParse); +#ifndef SQLITE_OMIT_AUTHORIZATION + db->xAuth = xAuth; +#endif + if( rc!=SQLITE_OK ){ + sqlite3_result_error_code(context, rc); + } +} + +/* +** This function is called by the parser upon parsing an +** +** ALTER TABLE pSrc DROP COLUMN pName +** +** statement. Argument pSrc contains the possibly qualified name of the +** table being edited, and token pName the name of the column to drop. +*/ +SQLITE_PRIVATE void sqlite3AlterDropColumn(Parse *pParse, SrcList *pSrc, const Token *pName){ + sqlite3 *db = pParse->db; /* Database handle */ + Table *pTab; /* Table to modify */ + int iDb; /* Index of db containing pTab in aDb[] */ + const char *zDb; /* Database containing pTab ("main" etc.) */ + char *zCol = 0; /* Name of column to drop */ + int iCol; /* Index of column zCol in pTab->aCol[] */ + + /* Look up the table being altered. */ + assert( pParse->pNewTable==0 ); + assert( sqlite3BtreeHoldsAllMutexes(db) ); + if( NEVER(db->mallocFailed) ) goto exit_drop_column; + pTab = sqlite3LocateTableItem(pParse, 0, &pSrc->a[0]); + if( !pTab ) goto exit_drop_column; + + /* Make sure this is not an attempt to ALTER a view, virtual table or + ** system table. */ + if( SQLITE_OK!=isAlterableTable(pParse, pTab) ) goto exit_drop_column; + if( SQLITE_OK!=isRealTable(pParse, pTab, 1) ) goto exit_drop_column; + + /* Find the index of the column being dropped. */ + zCol = sqlite3NameFromToken(db, pName); + if( zCol==0 ){ + assert( db->mallocFailed ); + goto exit_drop_column; + } + iCol = sqlite3ColumnIndex(pTab, zCol); + if( iCol<0 ){ + sqlite3ErrorMsg(pParse, "no such column: \"%T\"", pName); + goto exit_drop_column; + } + + /* Do not allow the user to drop a PRIMARY KEY column or a column + ** constrained by a UNIQUE constraint. */ + if( pTab->aCol[iCol].colFlags & (COLFLAG_PRIMKEY|COLFLAG_UNIQUE) ){ + sqlite3ErrorMsg(pParse, "cannot drop %s column: \"%s\"", + (pTab->aCol[iCol].colFlags&COLFLAG_PRIMKEY) ? "PRIMARY KEY" : "UNIQUE", + zCol + ); + goto exit_drop_column; + } + + /* Do not allow the number of columns to go to zero */ + if( pTab->nCol<=1 ){ + sqlite3ErrorMsg(pParse, "cannot drop column \"%s\": no other columns exist",zCol); + goto exit_drop_column; + } + + /* Edit the sqlite_schema table */ + iDb = sqlite3SchemaToIndex(db, pTab->pSchema); + assert( iDb>=0 ); + zDb = db->aDb[iDb].zDbSName; +#ifndef SQLITE_OMIT_AUTHORIZATION + /* Invoke the authorization callback. */ + if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, zCol) ){ + goto exit_drop_column; + } +#endif + renameTestSchema(pParse, zDb, iDb==1, "", 0); + renameFixQuotes(pParse, zDb, iDb==1); + sqlite3NestedParse(pParse, + "UPDATE \"%w\"." LEGACY_SCHEMA_TABLE " SET " + "sql = sqlite_drop_column(%d, sql, %d) " + "WHERE (type=='table' AND tbl_name=%Q COLLATE nocase)" + , zDb, iDb, iCol, pTab->zName + ); + + /* Drop and reload the database schema. */ + renameReloadSchema(pParse, iDb, INITFLAG_AlterDrop); + renameTestSchema(pParse, zDb, iDb==1, "after drop column", 1); + + /* Edit rows of table on disk */ + if( pParse->nErr==0 && (pTab->aCol[iCol].colFlags & COLFLAG_VIRTUAL)==0 ){ + int i; + int addr; + int reg; + int regRec; + Index *pPk = 0; + int nField = 0; /* Number of non-virtual columns after drop */ + int iCur; + Vdbe *v = sqlite3GetVdbe(pParse); + iCur = pParse->nTab++; + sqlite3OpenTable(pParse, iCur, iDb, pTab, OP_OpenWrite); + addr = sqlite3VdbeAddOp1(v, OP_Rewind, iCur); VdbeCoverage(v); + reg = ++pParse->nMem; + if( HasRowid(pTab) ){ + sqlite3VdbeAddOp2(v, OP_Rowid, iCur, reg); + pParse->nMem += pTab->nCol; + }else{ + pPk = sqlite3PrimaryKeyIndex(pTab); + pParse->nMem += pPk->nColumn; + for(i=0; inKeyCol; i++){ + sqlite3VdbeAddOp3(v, OP_Column, iCur, i, reg+i+1); + } + nField = pPk->nKeyCol; + } + regRec = ++pParse->nMem; + for(i=0; inCol; i++){ + if( i!=iCol && (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ){ + int regOut; + if( pPk ){ + int iPos = sqlite3TableColumnToIndex(pPk, i); + int iColPos = sqlite3TableColumnToIndex(pPk, iCol); + if( iPosnKeyCol ) continue; + regOut = reg+1+iPos-(iPos>iColPos); + }else{ + regOut = reg+1+nField; + } + if( i==pTab->iPKey ){ + sqlite3VdbeAddOp2(v, OP_Null, 0, regOut); + }else{ + sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, i, regOut); + } + nField++; + } + } + if( nField==0 ){ + /* dbsqlfuzz 5f09e7bcc78b4954d06bf9f2400d7715f48d1fef */ + pParse->nMem++; + sqlite3VdbeAddOp2(v, OP_Null, 0, reg+1); + nField = 1; + } + sqlite3VdbeAddOp3(v, OP_MakeRecord, reg+1, nField, regRec); + if( pPk ){ + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iCur, regRec, reg+1, pPk->nKeyCol); + }else{ + sqlite3VdbeAddOp3(v, OP_Insert, iCur, regRec, reg); + } + sqlite3VdbeChangeP5(v, OPFLAG_SAVEPOSITION); + + sqlite3VdbeAddOp2(v, OP_Next, iCur, addr+1); VdbeCoverage(v); + sqlite3VdbeJumpHere(v, addr); + } + +exit_drop_column: + sqlite3DbFree(db, zCol); + sqlite3SrcListDelete(db, pSrc); +} + /* ** Register built-in functions used to help implement ALTER TABLE */ SQLITE_PRIVATE void sqlite3AlterFunctions(void){ static FuncDef aAlterTableFuncs[] = { - INTERNAL_FUNCTION(sqlite_rename_column, 9, renameColumnFunc), - INTERNAL_FUNCTION(sqlite_rename_table, 7, renameTableFunc), - INTERNAL_FUNCTION(sqlite_rename_test, 5, renameTableTest), + INTERNAL_FUNCTION(sqlite_rename_column, 9, renameColumnFunc), + INTERNAL_FUNCTION(sqlite_rename_table, 7, renameTableFunc), + INTERNAL_FUNCTION(sqlite_rename_test, 7, renameTableTest), + INTERNAL_FUNCTION(sqlite_drop_column, 3, dropColumnFunc), + INTERNAL_FUNCTION(sqlite_rename_quotefix,2, renameQuotefixFunc), }; sqlite3InsertBuiltinFuncs(aAlterTableFuncs, ArraySize(aAlterTableFuncs)); } @@ -107982,7 +116925,6 @@ static void statInit( + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample); } #endif - db = sqlite3_context_db_handle(context); p = sqlite3DbMallocZero(db, n); if( p==0 ){ sqlite3_result_error_nomem(context); @@ -108397,32 +117339,29 @@ static void statGet( ** * "WHERE a=? AND b=?" matches 2 rows. ** ** If D is the count of distinct values and K is the total number of - ** rows, then each estimate is computed as: + ** rows, then each estimate is usually computed as: ** ** I = (K+D-1)/D + ** + ** In other words, I is K/D rounded up to the next whole integer. + ** However, if I is between 1.0 and 1.1 (in other words if I is + ** close to 1.0 but just a little larger) then do not round up but + ** instead keep the I value at 1.0. */ - char *z; - int i; + sqlite3_str sStat; /* Text of the constructed "stat" line */ + int i; /* Loop counter */ - char *zRet = sqlite3MallocZero( (p->nKeyCol+1)*25 ); - if( zRet==0 ){ - sqlite3_result_error_nomem(context); - return; - } - - sqlite3_snprintf(24, zRet, "%llu", + sqlite3StrAccumInit(&sStat, 0, 0, 0, (p->nKeyCol+1)*100); + sqlite3_str_appendf(&sStat, "%llu", p->nSkipAhead ? (u64)p->nEst : (u64)p->nRow); - z = zRet + sqlite3Strlen30(zRet); for(i=0; inKeyCol; i++){ u64 nDistinct = p->current.anDLt[i] + 1; u64 iVal = (p->nRow + nDistinct - 1) / nDistinct; - sqlite3_snprintf(24, z, " %llu", iVal); - z += sqlite3Strlen30(z); + if( iVal==2 && p->nRow*10 <= nDistinct*11 ) iVal = 1; + sqlite3_str_appendf(&sStat, " %llu", iVal); assert( p->current.anEq[i] ); } - assert( z[0]=='\0' && z>zRet ); - - sqlite3_result_text(context, zRet, -1, sqlite3_free); + sqlite3ResultStrAccum(context, &sStat); } #ifdef SQLITE_ENABLE_STAT4 else if( eCall==STAT_GET_ROWID ){ @@ -108441,6 +117380,8 @@ static void statGet( } }else{ tRowcnt *aCnt = 0; + sqlite3_str sStat; + int i; assert( p->iGetnSample ); switch( eCall ){ @@ -108452,23 +117393,12 @@ static void statGet( break; } } - - { - char *zRet = sqlite3MallocZero(p->nCol * 25); - if( zRet==0 ){ - sqlite3_result_error_nomem(context); - }else{ - int i; - char *z = zRet; - for(i=0; inCol; i++){ - sqlite3_snprintf(24, z, "%llu ", (u64)aCnt[i]); - z += sqlite3Strlen30(z); - } - assert( z[0]=='\0' && z>zRet ); - z[-1] = '\0'; - sqlite3_result_text(context, zRet, -1, sqlite3_free); - } + sqlite3StrAccumInit(&sStat, 0, 0, 0, p->nCol*100); + for(i=0; inCol; i++){ + sqlite3_str_appendf(&sStat, "%llu ", (u64)aCnt[i]); } + if( sStat.nChar ) sStat.nChar--; + sqlite3ResultStrAccum(context, &sStat); } #endif /* SQLITE_ENABLE_STAT4 */ #ifndef SQLITE_DEBUG @@ -108515,9 +117445,10 @@ static void analyzeVdbeCommentIndexWithColumnName( if( NEVER(i==XN_ROWID) ){ VdbeComment((v,"%s.rowid",pIdx->zName)); }else if( i==XN_EXPR ){ + assert( pIdx->bHasExpr ); VdbeComment((v,"%s.expr(%d)",pIdx->zName, k)); }else{ - VdbeComment((v,"%s.%s", pIdx->zName, pIdx->pTable->aCol[i].zName)); + VdbeComment((v,"%s.%s", pIdx->zName, pIdx->pTable->aCol[i].zCnName)); } } #else @@ -108555,16 +117486,20 @@ static void analyzeOneTable( int regIdxname = iMem++; /* Register containing index name */ int regStat1 = iMem++; /* Value for the stat column of sqlite_stat1 */ int regPrev = iMem; /* MUST BE LAST (see below) */ +#ifdef SQLITE_ENABLE_STAT4 + int doOnce = 1; /* Flag for a one-time computation */ +#endif #ifdef SQLITE_ENABLE_PREUPDATE_HOOK Table *pStat1 = 0; #endif - pParse->nMem = MAX(pParse->nMem, iMem); + sqlite3TouchRegister(pParse, iMem); + assert( sqlite3NoTempsInRange(pParse, regNewRowid, iMem) ); v = sqlite3GetVdbe(pParse); if( v==0 || NEVER(pTab==0) ){ return; } - if( pTab->tnum==0 ){ + if( !IsOrdinaryTable(pTab) ){ /* Do not gather statistics on views or virtual tables */ return; } @@ -108591,7 +117526,7 @@ static void analyzeOneTable( memcpy(pStat1->zName, "sqlite_stat1", 13); pStat1->nCol = 3; pStat1->iPKey = -1; - sqlite3VdbeAddOp4(pParse->pVdbe, OP_Noop, 0, 0, 0,(char*)pStat1,P4_DYNBLOB); + sqlite3VdbeAddOp4(pParse->pVdbe, OP_Noop, 0, 0, 0,(char*)pStat1,P4_DYNAMIC); } #endif @@ -108665,7 +117600,7 @@ static void analyzeOneTable( ** the regPrev array and a trailing rowid (the rowid slot is required ** when building a record to insert into the sample column of ** the sqlite_stat4 table. */ - pParse->nMem = MAX(pParse->nMem, regPrev+nColTest); + sqlite3TouchRegister(pParse, regPrev+nColTest); /* Open a read-only cursor on the index being analyzed. */ assert( iDb==sqlite3SchemaToIndex(db, pIdx->pSchema) ); @@ -108837,7 +117772,35 @@ static void analyzeOneTable( int addrIsNull; u8 seekOp = HasRowid(pTab) ? OP_NotExists : OP_NotFound; - pParse->nMem = MAX(pParse->nMem, regCol+nCol); + if( doOnce ){ + int mxCol = nCol; + Index *pX; + + /* Compute the maximum number of columns in any index */ + for(pX=pTab->pIndex; pX; pX=pX->pNext){ + int nColX; /* Number of columns in pX */ + if( !HasRowid(pTab) && IsPrimaryKeyIndex(pX) ){ + nColX = pX->nKeyCol; + }else{ + nColX = pX->nColumn; + } + if( nColX>mxCol ) mxCol = nColX; + } + + /* Allocate space to compute results for the largest index */ + sqlite3TouchRegister(pParse, regCol+mxCol); + doOnce = 0; +#ifdef SQLITE_DEBUG + /* Verify that the call to sqlite3ClearTempRegCache() below + ** really is needed. + ** https://sqlite.org/forum/forumpost/83cb4a95a0 (2023-03-25) + */ + testcase( !sqlite3NoTempsInRange(pParse, regEq, regCol+mxCol) ); +#endif + sqlite3ClearTempRegCache(pParse); /* tag-20230325-1 */ + assert( sqlite3NoTempsInRange(pParse, regEq, regCol+mxCol) ); + } + assert( sqlite3NoTempsInRange(pParse, regEq, regCol+nCol) ); addrNext = sqlite3VdbeCurrentAddr(v); callStatGet(pParse, regStat, STAT_GET_ROWID, regSampleRowid); @@ -108918,6 +117881,11 @@ static void analyzeDatabase(Parse *pParse, int iDb){ for(k=sqliteHashFirst(&pSchema->tblHash); k; k=sqliteHashNext(k)){ Table *pTab = (Table*)sqliteHashData(k); analyzeOneTable(pParse, pTab, 0, iStatCur, iMem, iTab); +#ifdef SQLITE_ENABLE_STAT4 + iMem = sqlite3FirstAvailableRegister(pParse, iMem); +#else + assert( iMem==sqlite3FirstAvailableRegister(pParse,iMem) ); +#endif } loadAnalysis(pParse, iDb); } @@ -109158,6 +118126,8 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){ ** and its contents. */ SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){ + assert( db!=0 ); + assert( pIdx!=0 ); #ifdef SQLITE_ENABLE_STAT4 if( pIdx->aSample ){ int j; @@ -109167,7 +118137,7 @@ SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){ } sqlite3DbFree(db, pIdx->aSample); } - if( db && db->pnBytesFreed==0 ){ + if( db->pnBytesFreed==0 ){ pIdx->nSample = 0; pIdx->aSample = 0; } @@ -109303,6 +118273,10 @@ static int loadStatTbl( pIdx = findIndexOrPrimaryKey(db, zIndex, zDb); assert( pIdx==0 || pIdx->nSample==0 ); if( pIdx==0 ) continue; + if( pIdx->aSample!=0 ){ + /* The same index appears in sqlite_stat4 under multiple names */ + continue; + } assert( !HasRowid(pIdx->pTable) || pIdx->nColumn==pIdx->nKeyCol+1 ); if( !HasRowid(pIdx->pTable) && IsPrimaryKeyIndex(pIdx) ){ nIdxCol = pIdx->nKeyCol; @@ -109310,6 +118284,7 @@ static int loadStatTbl( nIdxCol = pIdx->nColumn; } pIdx->nSampleCol = nIdxCol; + pIdx->mxSample = nSample; nByte = sizeof(IndexSample) * nSample; nByte += sizeof(tRowcnt) * nIdxCol * 3 * nSample; nByte += nIdxCol * sizeof(tRowcnt); /* Space for Index.aAvgEq[] */ @@ -109321,6 +118296,7 @@ static int loadStatTbl( } pSpace = (tRowcnt*)&pIdx->aSample[nSample]; pIdx->aAvgEq = pSpace; pSpace += nIdxCol; + pIdx->pTable->tabFlags |= TF_HasStat4; for(i=0; iaSample[i].anEq = pSpace; pSpace += nIdxCol; pIdx->aSample[i].anLt = pSpace; pSpace += nIdxCol; @@ -109348,6 +118324,11 @@ static int loadStatTbl( if( zIndex==0 ) continue; pIdx = findIndexOrPrimaryKey(db, zIndex, zDb); if( pIdx==0 ) continue; + if( pIdx->nSample>=pIdx->mxSample ){ + /* Too many slots used because the same index appears in + ** sqlite_stat4 using multiple names */ + continue; + } /* This next condition is true if data has already been loaded from ** the sqlite_stat4 table. */ nCol = pIdx->nSampleCol; @@ -109360,14 +118341,15 @@ static int loadStatTbl( decodeIntArray((char*)sqlite3_column_text(pStmt,2),nCol,pSample->anLt,0,0); decodeIntArray((char*)sqlite3_column_text(pStmt,3),nCol,pSample->anDLt,0,0); - /* Take a copy of the sample. Add two 0x00 bytes the end of the buffer. + /* Take a copy of the sample. Add 8 extra 0x00 bytes the end of the buffer. ** This is in case the sample record is corrupted. In that case, the ** sqlite3VdbeRecordCompare() may read up to two varints past the ** end of the allocated buffer before it realizes it is dealing with - ** a corrupt record. Adding the two 0x00 bytes prevents this from causing + ** a corrupt record. Or it might try to read a large integer from the + ** buffer. In any case, eight 0x00 bytes prevents this from causing ** a buffer overread. */ pSample->n = sqlite3_column_bytes(pStmt, 4); - pSample->p = sqlite3DbMallocZero(db, pSample->n + 2); + pSample->p = sqlite3DbMallocZero(db, pSample->n + 8); if( pSample->p==0 ){ sqlite3_finalize(pStmt); return SQLITE_NOMEM_BKPT; @@ -109388,11 +118370,15 @@ static int loadStatTbl( */ static int loadStat4(sqlite3 *db, const char *zDb){ int rc = SQLITE_OK; /* Result codes from subroutines */ + const Table *pStat4; assert( db->lookaside.bDisable ); - if( sqlite3FindTable(db, "sqlite_stat4", zDb) ){ + if( OptimizationEnabled(db, SQLITE_Stat4) + && (pStat4 = sqlite3FindTable(db, "sqlite_stat4", zDb))!=0 + && IsOrdinaryTable(pStat4) + ){ rc = loadStatTbl(db, - "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx", + "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx COLLATE nocase", "SELECT idx,neq,nlt,ndlt,sample FROM %Q.sqlite_stat4", zDb ); @@ -109427,6 +118413,7 @@ SQLITE_PRIVATE int sqlite3AnalysisLoad(sqlite3 *db, int iDb){ char *zSql; int rc = SQLITE_OK; Schema *pSchema = db->aDb[iDb].pSchema; + const Table *pStat1; assert( iDb>=0 && iDbnDb ); assert( db->aDb[iDb].pBt!=0 ); @@ -109449,7 +118436,9 @@ SQLITE_PRIVATE int sqlite3AnalysisLoad(sqlite3 *db, int iDb){ /* Load new statistics out of the sqlite_stat1 table */ sInfo.db = db; sInfo.zDatabase = db->aDb[iDb].zDbSName; - if( sqlite3FindTable(db, "sqlite_stat1", sInfo.zDatabase)!=0 ){ + if( (pStat1 = sqlite3FindTable(db, "sqlite_stat1", sInfo.zDatabase)) + && IsOrdinaryTable(pStat1) + ){ zSql = sqlite3MPrintf(db, "SELECT tbl,idx,stat FROM %Q.sqlite_stat1", sInfo.zDatabase); if( zSql==0 ){ @@ -109579,7 +118568,7 @@ static void attachFunc( char *zErr = 0; unsigned int flags; Db *aNew; /* New array of Db pointers */ - Db *pNew; /* Db object for the newly attached database */ + Db *pNew = 0; /* Db object for the newly attached database */ char *zErrDyn = 0; sqlite3_vfs *pVfs; @@ -109589,7 +118578,7 @@ static void attachFunc( if( zFile==0 ) zFile = ""; if( zName==0 ) zName = ""; -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE # define REOPEN_AS_MEMDB(db) (db->init.reopenMemdb) #else # define REOPEN_AS_MEMDB(db) (0) @@ -109599,13 +118588,26 @@ static void attachFunc( /* This is not a real ATTACH. Instead, this routine is being called ** from sqlite3_deserialize() to close database db->init.iDb and ** reopen it as a MemDB */ + Btree *pNewBt = 0; pVfs = sqlite3_vfs_find("memdb"); if( pVfs==0 ) return; - pNew = &db->aDb[db->init.iDb]; - if( pNew->pBt ) sqlite3BtreeClose(pNew->pBt); - pNew->pBt = 0; - pNew->pSchema = 0; - rc = sqlite3BtreeOpen(pVfs, "x\0", db, &pNew->pBt, 0, SQLITE_OPEN_MAIN_DB); + rc = sqlite3BtreeOpen(pVfs, "x\0", db, &pNewBt, 0, SQLITE_OPEN_MAIN_DB); + if( rc==SQLITE_OK ){ + Schema *pNewSchema = sqlite3SchemaGet(db, pNewBt); + if( pNewSchema ){ + /* Both the Btree and the new Schema were allocated successfully. + ** Close the old db and update the aDb[] slot with the new memdb + ** values. */ + pNew = &db->aDb[db->init.iDb]; + if( ALWAYS(pNew->pBt) ) sqlite3BtreeClose(pNew->pBt); + pNew->pBt = pNewBt; + pNew->pSchema = pNewSchema; + }else{ + sqlite3BtreeClose(pNewBt); + rc = SQLITE_NOMEM; + } + } + if( rc ) goto attach_error; }else{ /* This is a real ATTACH ** @@ -109718,7 +118720,7 @@ static void attachFunc( } #endif if( rc ){ - if( !REOPEN_AS_MEMDB(db) ){ + if( ALWAYS(!REOPEN_AS_MEMDB(db)) ){ int iDb = db->nDb - 1; assert( iDb>=2 ); if( db->aDb[iDb].pBt ){ @@ -109787,7 +118789,9 @@ static void detachFunc( sqlite3_snprintf(sizeof(zErr),zErr, "cannot detach database %s", zName); goto detach_error; } - if( sqlite3BtreeIsInReadTrans(pDb->pBt) || sqlite3BtreeIsInBackup(pDb->pBt) ){ + if( sqlite3BtreeTxnState(pDb->pBt)!=SQLITE_TXN_NONE + || sqlite3BtreeIsInBackup(pDb->pBt) + ){ sqlite3_snprintf(sizeof(zErr),zErr, "database %s is locked", zName); goto detach_error; } @@ -109833,22 +118837,25 @@ static void codeAttach( sqlite3* db = pParse->db; int regArgs; + if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto attach_end; + if( pParse->nErr ) goto attach_end; memset(&sName, 0, sizeof(NameContext)); sName.pParse = pParse; if( - SQLITE_OK!=(rc = resolveAttachExpr(&sName, pFilename)) || - SQLITE_OK!=(rc = resolveAttachExpr(&sName, pDbname)) || - SQLITE_OK!=(rc = resolveAttachExpr(&sName, pKey)) + SQLITE_OK!=resolveAttachExpr(&sName, pFilename) || + SQLITE_OK!=resolveAttachExpr(&sName, pDbname) || + SQLITE_OK!=resolveAttachExpr(&sName, pKey) ){ goto attach_end; } #ifndef SQLITE_OMIT_AUTHORIZATION - if( pAuthArg ){ + if( ALWAYS(pAuthArg) ){ char *zAuthArg; if( pAuthArg->op==TK_STRING ){ + assert( !ExprHasProperty(pAuthArg, EP_IntValue) ); zAuthArg = pAuthArg->u.zToken; }else{ zAuthArg = 0; @@ -109925,6 +118932,69 @@ SQLITE_PRIVATE void sqlite3Attach(Parse *pParse, Expr *p, Expr *pDbname, Expr *p } #endif /* SQLITE_OMIT_ATTACH */ +/* +** Expression callback used by sqlite3FixAAAA() routines. +*/ +static int fixExprCb(Walker *p, Expr *pExpr){ + DbFixer *pFix = p->u.pFix; + if( !pFix->bTemp ) ExprSetProperty(pExpr, EP_FromDDL); + if( pExpr->op==TK_VARIABLE ){ + if( pFix->pParse->db->init.busy ){ + pExpr->op = TK_NULL; + }else{ + sqlite3ErrorMsg(pFix->pParse, "%s cannot use variables", pFix->zType); + return WRC_Abort; + } + } + return WRC_Continue; +} + +/* +** Select callback used by sqlite3FixAAAA() routines. +*/ +static int fixSelectCb(Walker *p, Select *pSelect){ + DbFixer *pFix = p->u.pFix; + int i; + SrcItem *pItem; + sqlite3 *db = pFix->pParse->db; + int iDb = sqlite3FindDbName(db, pFix->zDb); + SrcList *pList = pSelect->pSrc; + + if( NEVER(pList==0) ) return WRC_Continue; + for(i=0, pItem=pList->a; inSrc; i++, pItem++){ + if( pFix->bTemp==0 ){ + if( pItem->zDatabase ){ + if( iDb!=sqlite3FindDbName(db, pItem->zDatabase) ){ + sqlite3ErrorMsg(pFix->pParse, + "%s %T cannot reference objects in database %s", + pFix->zType, pFix->pName, pItem->zDatabase); + return WRC_Abort; + } + sqlite3DbFree(db, pItem->zDatabase); + pItem->zDatabase = 0; + pItem->fg.notCte = 1; + } + pItem->pSchema = pFix->pSchema; + pItem->fg.fromDDL = 1; + } +#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) + if( pList->a[i].fg.isUsing==0 + && sqlite3WalkExpr(&pFix->w, pList->a[i].u3.pOn) + ){ + return WRC_Abort; + } +#endif + } + if( pSelect->pWith ){ + for(i=0; ipWith->nCte; i++){ + if( sqlite3WalkSelect(p, pSelect->pWith->a[i].pSelect) ){ + return WRC_Abort; + } + } + } + return WRC_Continue; +} + /* ** Initialize a DbFixer structure. This routine must be called prior ** to passing the structure to one of the sqliteFixAAAA() routines below. @@ -109936,9 +119006,7 @@ SQLITE_PRIVATE void sqlite3FixInit( const char *zType, /* "view", "trigger", or "index" */ const Token *pName /* Name of the view, trigger, or index */ ){ - sqlite3 *db; - - db = pParse->db; + sqlite3 *db = pParse->db; assert( db->nDb>iDb ); pFix->pParse = pParse; pFix->zDb = db->aDb[iDb].zDbSName; @@ -109946,6 +119014,13 @@ SQLITE_PRIVATE void sqlite3FixInit( pFix->zType = zType; pFix->pName = pName; pFix->bTemp = (iDb==1); + pFix->w.pParse = pParse; + pFix->w.xExprCallback = fixExprCb; + pFix->w.xSelectCallback = fixSelectCb; + pFix->w.xSelectCallback2 = sqlite3WalkWinDefnDummyCallback; + pFix->w.walkerDepth = 0; + pFix->w.eCode = 0; + pFix->w.u.pFix = pFix; } /* @@ -109966,115 +119041,27 @@ SQLITE_PRIVATE int sqlite3FixSrcList( DbFixer *pFix, /* Context of the fixation */ SrcList *pList /* The Source list to check and modify */ ){ - int i; - struct SrcList_item *pItem; - sqlite3 *db = pFix->pParse->db; - int iDb = sqlite3FindDbName(db, pFix->zDb); - - if( NEVER(pList==0) ) return 0; - - for(i=0, pItem=pList->a; inSrc; i++, pItem++){ - if( pFix->bTemp==0 ){ - if( pItem->zDatabase && iDb!=sqlite3FindDbName(db, pItem->zDatabase) ){ - sqlite3ErrorMsg(pFix->pParse, - "%s %T cannot reference objects in database %s", - pFix->zType, pFix->pName, pItem->zDatabase); - return 1; - } - sqlite3DbFree(db, pItem->zDatabase); - pItem->zDatabase = 0; - pItem->pSchema = pFix->pSchema; - pItem->fg.fromDDL = 1; - } -#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) - if( sqlite3FixSelect(pFix, pItem->pSelect) ) return 1; - if( sqlite3FixExpr(pFix, pItem->pOn) ) return 1; -#endif - if( pItem->fg.isTabFunc && sqlite3FixExprList(pFix, pItem->u1.pFuncArg) ){ - return 1; - } + int res = 0; + if( pList ){ + Select s; + memset(&s, 0, sizeof(s)); + s.pSrc = pList; + res = sqlite3WalkSelect(&pFix->w, &s); } - return 0; + return res; } #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) SQLITE_PRIVATE int sqlite3FixSelect( DbFixer *pFix, /* Context of the fixation */ Select *pSelect /* The SELECT statement to be fixed to one database */ ){ - while( pSelect ){ - if( sqlite3FixExprList(pFix, pSelect->pEList) ){ - return 1; - } - if( sqlite3FixSrcList(pFix, pSelect->pSrc) ){ - return 1; - } - if( sqlite3FixExpr(pFix, pSelect->pWhere) ){ - return 1; - } - if( sqlite3FixExprList(pFix, pSelect->pGroupBy) ){ - return 1; - } - if( sqlite3FixExpr(pFix, pSelect->pHaving) ){ - return 1; - } - if( sqlite3FixExprList(pFix, pSelect->pOrderBy) ){ - return 1; - } - if( sqlite3FixExpr(pFix, pSelect->pLimit) ){ - return 1; - } - if( pSelect->pWith ){ - int i; - for(i=0; ipWith->nCte; i++){ - if( sqlite3FixSelect(pFix, pSelect->pWith->a[i].pSelect) ){ - return 1; - } - } - } - pSelect = pSelect->pPrior; - } - return 0; + return sqlite3WalkSelect(&pFix->w, pSelect); } SQLITE_PRIVATE int sqlite3FixExpr( DbFixer *pFix, /* Context of the fixation */ Expr *pExpr /* The expression to be fixed to one database */ ){ - while( pExpr ){ - if( !pFix->bTemp ) ExprSetProperty(pExpr, EP_FromDDL); - if( pExpr->op==TK_VARIABLE ){ - if( pFix->pParse->db->init.busy ){ - pExpr->op = TK_NULL; - }else{ - sqlite3ErrorMsg(pFix->pParse, "%s cannot use variables", pFix->zType); - return 1; - } - } - if( ExprHasProperty(pExpr, EP_TokenOnly|EP_Leaf) ) break; - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ - if( sqlite3FixSelect(pFix, pExpr->x.pSelect) ) return 1; - }else{ - if( sqlite3FixExprList(pFix, pExpr->x.pList) ) return 1; - } - if( sqlite3FixExpr(pFix, pExpr->pRight) ){ - return 1; - } - pExpr = pExpr->pLeft; - } - return 0; -} -SQLITE_PRIVATE int sqlite3FixExprList( - DbFixer *pFix, /* Context of the fixation */ - ExprList *pList /* The expression to be fixed to one database */ -){ - int i; - struct ExprList_item *pItem; - if( pList==0 ) return 0; - for(i=0, pItem=pList->a; inExpr; i++, pItem++){ - if( sqlite3FixExpr(pFix, pItem->pExpr) ){ - return 1; - } - } - return 0; + return sqlite3WalkExpr(&pFix->w, pExpr); } #endif @@ -110084,32 +119071,30 @@ SQLITE_PRIVATE int sqlite3FixTriggerStep( TriggerStep *pStep /* The trigger step be fixed to one database */ ){ while( pStep ){ - if( sqlite3FixSelect(pFix, pStep->pSelect) ){ - return 1; - } - if( sqlite3FixExpr(pFix, pStep->pWhere) ){ - return 1; - } - if( sqlite3FixExprList(pFix, pStep->pExprList) ){ - return 1; - } - if( pStep->pFrom && sqlite3FixSrcList(pFix, pStep->pFrom) ){ + if( sqlite3WalkSelect(&pFix->w, pStep->pSelect) + || sqlite3WalkExpr(&pFix->w, pStep->pWhere) + || sqlite3WalkExprList(&pFix->w, pStep->pExprList) + || sqlite3FixSrcList(pFix, pStep->pFrom) + ){ return 1; } #ifndef SQLITE_OMIT_UPSERT - if( pStep->pUpsert ){ - Upsert *pUp = pStep->pUpsert; - if( sqlite3FixExprList(pFix, pUp->pUpsertTarget) - || sqlite3FixExpr(pFix, pUp->pUpsertTargetWhere) - || sqlite3FixExprList(pFix, pUp->pUpsertSet) - || sqlite3FixExpr(pFix, pUp->pUpsertWhere) - ){ - return 1; + { + Upsert *pUp; + for(pUp=pStep->pUpsert; pUp; pUp=pUp->pNextUpsert){ + if( sqlite3WalkExprList(&pFix->w, pUp->pUpsertTarget) + || sqlite3WalkExpr(&pFix->w, pUp->pUpsertTargetWhere) + || sqlite3WalkExprList(&pFix->w, pUp->pUpsertSet) + || sqlite3WalkExpr(&pFix->w, pUp->pUpsertWhere) + ){ + return 1; + } } } #endif pStep = pStep->pNext; } + return 0; } #endif @@ -110261,7 +119246,6 @@ SQLITE_PRIVATE void sqlite3AuthRead( Schema *pSchema, /* The schema of the expression */ SrcList *pTabList /* All table that pExpr might refer to */ ){ - sqlite3 *db = pParse->db; Table *pTab = 0; /* The table being read */ const char *zCol; /* Name of the column of the table */ int iSrc; /* Index in pTabList->a[] of table being read */ @@ -110269,8 +119253,8 @@ SQLITE_PRIVATE void sqlite3AuthRead( int iCol; /* Index of column in table */ assert( pExpr->op==TK_COLUMN || pExpr->op==TK_TRIGGER ); - assert( !IN_RENAME_OBJECT || db->xAuth==0 ); - if( db->xAuth==0 ) return; + assert( !IN_RENAME_OBJECT ); + assert( pParse->db->xAuth!=0 ); iDb = sqlite3SchemaToIndex(pParse->db, pSchema); if( iDb<0 ){ /* An attempt to read a column out of a subquery or other @@ -110282,7 +119266,7 @@ SQLITE_PRIVATE void sqlite3AuthRead( pTab = pParse->pTriggerTab; }else{ assert( pTabList ); - for(iSrc=0; ALWAYS(iSrcnSrc); iSrc++){ + for(iSrc=0; iSrcnSrc; iSrc++){ if( pExpr->iTable==pTabList->a[iSrc].iCursor ){ pTab = pTabList->a[iSrc].pTab; break; @@ -110290,18 +119274,18 @@ SQLITE_PRIVATE void sqlite3AuthRead( } } iCol = pExpr->iColumn; - if( NEVER(pTab==0) ) return; + if( pTab==0 ) return; if( iCol>=0 ){ assert( iColnCol ); - zCol = pTab->aCol[iCol].zName; + zCol = pTab->aCol[iCol].zCnName; }else if( pTab->iPKey>=0 ){ assert( pTab->iPKeynCol ); - zCol = pTab->aCol[pTab->iPKey].zName; + zCol = pTab->aCol[pTab->iPKey].zCnName; }else{ zCol = "ROWID"; } - assert( iDb>=0 && iDbnDb ); + assert( iDb>=0 && iDbdb->nDb ); if( SQLITE_IGNORE==sqlite3AuthReadCol(pParse, pTab->zName, zCol, iDb) ){ pExpr->op = TK_NULL; } @@ -110323,15 +119307,11 @@ SQLITE_PRIVATE int sqlite3AuthCheck( sqlite3 *db = pParse->db; int rc; - /* Don't do any authorization checks if the database is initialising + /* Don't do any authorization checks if the database is initializing ** or if the parser is being invoked from within sqlite3_declare_vtab. */ assert( !IN_RENAME_OBJECT || db->xAuth==0 ); - if( db->init.busy || IN_SPECIAL_PARSE ){ - return SQLITE_OK; - } - - if( db->xAuth==0 ){ + if( db->xAuth==0 || db->init.busy || IN_SPECIAL_PARSE ){ return SQLITE_OK; } @@ -110440,21 +119420,20 @@ struct TableLock { ** code to make the lock occur is generated by a later call to ** codeTableLocks() which occurs during sqlite3FinishCoding(). */ -SQLITE_PRIVATE void sqlite3TableLock( +static SQLITE_NOINLINE void lockTable( Parse *pParse, /* Parsing context */ int iDb, /* Index of the database containing the table to lock */ Pgno iTab, /* Root page number of the table to be locked */ u8 isWriteLock, /* True for a write lock */ const char *zName /* Name of the table to be locked */ ){ - Parse *pToplevel = sqlite3ParseToplevel(pParse); + Parse *pToplevel; int i; int nBytes; TableLock *p; assert( iDb>=0 ); - if( iDb==1 ) return; - if( !sqlite3BtreeSharable(pParse->db->aDb[iDb].pBt) ) return; + pToplevel = sqlite3ParseToplevel(pParse); for(i=0; inTableLock; i++){ p = &pToplevel->aTableLock[i]; if( p->iDb==iDb && p->iTab==iTab ){ @@ -110477,6 +119456,17 @@ SQLITE_PRIVATE void sqlite3TableLock( sqlite3OomFault(pToplevel->db); } } +SQLITE_PRIVATE void sqlite3TableLock( + Parse *pParse, /* Parsing context */ + int iDb, /* Index of the database containing the table to lock */ + Pgno iTab, /* Root page number of the table to be locked */ + u8 isWriteLock, /* True for a write lock */ + const char *zName /* Name of the table to be locked */ +){ + if( iDb==1 ) return; + if( !sqlite3BtreeSharable(pParse->db->aDb[iDb].pBt) ) return; + lockTable(pParse, iDb, iTab, isWriteLock, zName); +} /* ** Code an OP_TableLock instruction for each table locked by the @@ -110484,10 +119474,8 @@ SQLITE_PRIVATE void sqlite3TableLock( */ static void codeTableLocks(Parse *pParse){ int i; - Vdbe *pVdbe; - - pVdbe = sqlite3GetVdbe(pParse); - assert( pVdbe!=0 ); /* sqlite3GetVdbe cannot fail: VDBE already allocated */ + Vdbe *pVdbe = pParse->pVdbe; + assert( pVdbe!=0 ); for(i=0; inTableLock; i++){ TableLock *p = &pParse->aTableLock[i]; @@ -110526,22 +119514,53 @@ SQLITE_PRIVATE int sqlite3DbMaskAllZero(yDbMask m){ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ sqlite3 *db; Vdbe *v; + int iDb, i; assert( pParse->pToplevel==0 ); db = pParse->db; + assert( db->pParse==pParse ); if( pParse->nested ) return; - if( db->mallocFailed || pParse->nErr ){ - if( pParse->rc==SQLITE_OK ) pParse->rc = SQLITE_ERROR; + if( pParse->nErr ){ + if( db->mallocFailed ) pParse->rc = SQLITE_NOMEM; return; } + assert( db->mallocFailed==0 ); /* Begin by generating some termination code at the end of the ** vdbe program */ - v = sqlite3GetVdbe(pParse); + v = pParse->pVdbe; + if( v==0 ){ + if( db->init.busy ){ + pParse->rc = SQLITE_DONE; + return; + } + v = sqlite3GetVdbe(pParse); + if( v==0 ) pParse->rc = SQLITE_ERROR; + } assert( !pParse->isMultiWrite || sqlite3VdbeAssertMayAbort(v, pParse->mayAbort)); if( v ){ + if( pParse->bReturning ){ + Returning *pReturning = pParse->u1.pReturning; + int addrRewind; + int reg; + + if( pReturning->nRetCol ){ + sqlite3VdbeAddOp0(v, OP_FkCheck); + addrRewind = + sqlite3VdbeAddOp1(v, OP_Rewind, pReturning->iRetCur); + VdbeCoverage(v); + reg = pReturning->iRetReg; + for(i=0; inRetCol; i++){ + sqlite3VdbeAddOp3(v, OP_Column, pReturning->iRetCur, i, reg+i); + } + sqlite3VdbeAddOp2(v, OP_ResultRow, reg, i); + sqlite3VdbeAddOp2(v, OP_Next, pReturning->iRetCur, addrRewind+1); + VdbeCoverage(v); + sqlite3VdbeJumpHere(v, addrRewind); + } + } sqlite3VdbeAddOp0(v, OP_Halt); #if SQLITE_USER_AUTHENTICATION @@ -110561,73 +119580,78 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ ** transaction on each used database and to verify the schema cookie ** on each used database. */ - if( db->mallocFailed==0 - && (DbMaskNonZero(pParse->cookieMask) || pParse->pConstExpr) - ){ - int iDb, i; - assert( sqlite3VdbeGetOp(v, 0)->opcode==OP_Init ); - sqlite3VdbeJumpHere(v, 0); - for(iDb=0; iDbnDb; iDb++){ - Schema *pSchema; - if( DbMaskTest(pParse->cookieMask, iDb)==0 ) continue; - sqlite3VdbeUsesBtree(v, iDb); - pSchema = db->aDb[iDb].pSchema; - sqlite3VdbeAddOp4Int(v, - OP_Transaction, /* Opcode */ - iDb, /* P1 */ - DbMaskTest(pParse->writeMask,iDb), /* P2 */ - pSchema->schema_cookie, /* P3 */ - pSchema->iGeneration /* P4 */ - ); - if( db->init.busy==0 ) sqlite3VdbeChangeP5(v, 1); - VdbeComment((v, - "usesStmtJournal=%d", pParse->mayAbort && pParse->isMultiWrite)); - } + assert( pParse->nErr>0 || sqlite3VdbeGetOp(v, 0)->opcode==OP_Init ); + sqlite3VdbeJumpHere(v, 0); + assert( db->nDb>0 ); + iDb = 0; + do{ + Schema *pSchema; + if( DbMaskTest(pParse->cookieMask, iDb)==0 ) continue; + sqlite3VdbeUsesBtree(v, iDb); + pSchema = db->aDb[iDb].pSchema; + sqlite3VdbeAddOp4Int(v, + OP_Transaction, /* Opcode */ + iDb, /* P1 */ + DbMaskTest(pParse->writeMask,iDb), /* P2 */ + pSchema->schema_cookie, /* P3 */ + pSchema->iGeneration /* P4 */ + ); + if( db->init.busy==0 ) sqlite3VdbeChangeP5(v, 1); + VdbeComment((v, + "usesStmtJournal=%d", pParse->mayAbort && pParse->isMultiWrite)); + }while( ++iDbnDb ); #ifndef SQLITE_OMIT_VIRTUALTABLE - for(i=0; inVtabLock; i++){ - char *vtab = (char *)sqlite3GetVTable(db, pParse->apVtabLock[i]); - sqlite3VdbeAddOp4(v, OP_VBegin, 0, 0, 0, vtab, P4_VTAB); - } - pParse->nVtabLock = 0; + for(i=0; inVtabLock; i++){ + char *vtab = (char *)sqlite3GetVTable(db, pParse->apVtabLock[i]); + sqlite3VdbeAddOp4(v, OP_VBegin, 0, 0, 0, vtab, P4_VTAB); + } + pParse->nVtabLock = 0; #endif - /* Once all the cookies have been verified and transactions opened, - ** obtain the required table-locks. This is a no-op unless the - ** shared-cache feature is enabled. - */ - codeTableLocks(pParse); +#ifndef SQLITE_OMIT_SHARED_CACHE + /* Once all the cookies have been verified and transactions opened, + ** obtain the required table-locks. This is a no-op unless the + ** shared-cache feature is enabled. + */ + if( pParse->nTableLock ) codeTableLocks(pParse); +#endif - /* Initialize any AUTOINCREMENT data structures required. - */ - sqlite3AutoincrementBegin(pParse); + /* Initialize any AUTOINCREMENT data structures required. + */ + if( pParse->pAinc ) sqlite3AutoincrementBegin(pParse); - /* Code constant expressions that where factored out of inner loops. - ** - ** The pConstExpr list might also contain expressions that we simply - ** want to keep around until the Parse object is deleted. Such - ** expressions have iConstExprReg==0. Do not generate code for - ** those expressions, of course. - */ - if( pParse->pConstExpr ){ - ExprList *pEL = pParse->pConstExpr; - pParse->okConstFactor = 0; - for(i=0; inExpr; i++){ - int iReg = pEL->a[i].u.iConstExprReg; - if( iReg>0 ){ - sqlite3ExprCode(pParse, pEL->a[i].pExpr, iReg); - } - } + /* Code constant expressions that where factored out of inner loops. + ** + ** The pConstExpr list might also contain expressions that we simply + ** want to keep around until the Parse object is deleted. Such + ** expressions have iConstExprReg==0. Do not generate code for + ** those expressions, of course. + */ + if( pParse->pConstExpr ){ + ExprList *pEL = pParse->pConstExpr; + pParse->okConstFactor = 0; + for(i=0; inExpr; i++){ + int iReg = pEL->a[i].u.iConstExprReg; + sqlite3ExprCode(pParse, pEL->a[i].pExpr, iReg); } + } - /* Finally, jump back to the beginning of the executable code. */ - sqlite3VdbeGoto(v, 1); + if( pParse->bReturning ){ + Returning *pRet = pParse->u1.pReturning; + if( pRet->nRetCol ){ + sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pRet->iRetCur, pRet->nRetCol); + } } - } + /* Finally, jump back to the beginning of the executable code. */ + sqlite3VdbeGoto(v, 1); + } /* Get the VDBE program ready for execution */ - if( v && pParse->nErr==0 && !db->mallocFailed ){ + assert( v!=0 || pParse->nErr ); + assert( db->mallocFailed==0 || pParse->nErr ); + if( pParse->nErr==0 ){ /* A minimum of one cursor is required if autoincrement is used * See ticket [a696379c1f08866] */ assert( pParse->pAinc==0 || pParse->nTab>0 ); @@ -110641,23 +119665,25 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ /* ** Run the parser and code generator recursively in order to generate ** code for the SQL statement given onto the end of the pParse context -** currently under construction. When the parser is run recursively -** this way, the final OP_Halt is not appended and other initialization -** and finalization steps are omitted because those are handling by the -** outermost parser. +** currently under construction. Notes: +** +** * The final OP_Halt is not appended and other initialization +** and finalization steps are omitted because those are handling by the +** outermost parser. ** -** Not everything is nestable. This facility is designed to permit -** INSERT, UPDATE, and DELETE operations against the schema table. Use -** care if you decide to try to use this routine for some other purposes. +** * Built-in SQL functions always take precedence over application-defined +** SQL functions. In other words, it is not possible to override a +** built-in function. */ SQLITE_PRIVATE void sqlite3NestedParse(Parse *pParse, const char *zFormat, ...){ va_list ap; char *zSql; - char *zErrMsg = 0; sqlite3 *db = pParse->db; + u32 savedDbFlags = db->mDbFlags; char saveBuf[PARSE_TAIL_SZ]; if( pParse->nErr ) return; + if( pParse->eParseMode ) return; assert( pParse->nested<10 ); /* Nesting should only be of limited depth */ va_start(ap, zFormat); zSql = sqlite3VMPrintf(db, zFormat, ap); @@ -110673,8 +119699,9 @@ SQLITE_PRIVATE void sqlite3NestedParse(Parse *pParse, const char *zFormat, ...){ pParse->nested++; memcpy(saveBuf, PARSE_TAIL(pParse), PARSE_TAIL_SZ); memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ); - sqlite3RunParser(pParse, zSql, &zErrMsg); - sqlite3DbFree(db, zErrMsg); + db->mDbFlags |= DBFLAG_PreferBuiltin; + sqlite3RunParser(pParse, zSql); + db->mDbFlags = savedDbFlags; sqlite3DbFree(db, zSql); memcpy(PARSE_TAIL(pParse), saveBuf, PARSE_TAIL_SZ); pParse->nested--; @@ -110731,17 +119758,17 @@ SQLITE_PRIVATE Table *sqlite3FindTable(sqlite3 *db, const char *zName, const cha p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, zName); if( p==0 && sqlite3StrNICmp(zName, "sqlite_", 7)==0 ){ if( i==1 ){ - if( sqlite3StrICmp(zName+7, &ALT_TEMP_SCHEMA_TABLE[7])==0 - || sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 - || sqlite3StrICmp(zName+7, &DFLT_SCHEMA_TABLE[7])==0 + if( sqlite3StrICmp(zName+7, &PREFERRED_TEMP_SCHEMA_TABLE[7])==0 + || sqlite3StrICmp(zName+7, &PREFERRED_SCHEMA_TABLE[7])==0 + || sqlite3StrICmp(zName+7, &LEGACY_SCHEMA_TABLE[7])==0 ){ p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, - DFLT_TEMP_SCHEMA_TABLE); + LEGACY_TEMP_SCHEMA_TABLE); } }else{ - if( sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 ){ + if( sqlite3StrICmp(zName+7, &PREFERRED_SCHEMA_TABLE[7])==0 ){ p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, - DFLT_SCHEMA_TABLE); + LEGACY_SCHEMA_TABLE); } } } @@ -110759,11 +119786,11 @@ SQLITE_PRIVATE Table *sqlite3FindTable(sqlite3 *db, const char *zName, const cha if( p ) break; } if( p==0 && sqlite3StrNICmp(zName, "sqlite_", 7)==0 ){ - if( sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 ){ - p = sqlite3HashFind(&db->aDb[0].pSchema->tblHash, DFLT_SCHEMA_TABLE); - }else if( sqlite3StrICmp(zName+7, &ALT_TEMP_SCHEMA_TABLE[7])==0 ){ + if( sqlite3StrICmp(zName+7, &PREFERRED_SCHEMA_TABLE[7])==0 ){ + p = sqlite3HashFind(&db->aDb[0].pSchema->tblHash, LEGACY_SCHEMA_TABLE); + }else if( sqlite3StrICmp(zName+7, &PREFERRED_TEMP_SCHEMA_TABLE[7])==0 ){ p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, - DFLT_TEMP_SCHEMA_TABLE); + LEGACY_TEMP_SCHEMA_TABLE); } } } @@ -110803,19 +119830,20 @@ SQLITE_PRIVATE Table *sqlite3LocateTable( /* If zName is the not the name of a table in the schema created using ** CREATE, then check to see if it is the name of an virtual table that ** can be an eponymous virtual table. */ - if( pParse->disableVtab==0 ){ + if( (pParse->prepFlags & SQLITE_PREPARE_NO_VTAB)==0 && db->init.busy==0 ){ Module *pMod = (Module*)sqlite3HashFind(&db->aModule, zName); if( pMod==0 && sqlite3_strnicmp(zName, "pragma_", 7)==0 ){ pMod = sqlite3PragmaVtabRegister(db, zName); } if( pMod && sqlite3VtabEponymousTableInit(pParse, pMod) ){ + testcase( pMod->pEpoTab==0 ); return pMod->pEpoTab; } } #endif if( flags & LOCATE_NOERR ) return 0; pParse->checkSchema = 1; - }else if( IsVirtual(p) && pParse->disableVtab ){ + }else if( IsVirtual(p) && (pParse->prepFlags & SQLITE_PREPARE_NO_VTAB)!=0 ){ p = 0; } @@ -110826,6 +119854,8 @@ SQLITE_PRIVATE Table *sqlite3LocateTable( }else{ sqlite3ErrorMsg(pParse, "%s: %s", zMsg, zName); } + }else{ + assert( HasRowid(p) || p->iPKey<0 ); } return p; @@ -110843,7 +119873,7 @@ SQLITE_PRIVATE Table *sqlite3LocateTable( SQLITE_PRIVATE Table *sqlite3LocateTableItem( Parse *pParse, u32 flags, - struct SrcList_item *p + SrcItem *p ){ const char *zDb; assert( p->pSchema==0 || p->zDatabase==0 ); @@ -110856,6 +119886,22 @@ SQLITE_PRIVATE Table *sqlite3LocateTableItem( return sqlite3LocateTable(pParse, flags, p->zName, zDb); } +/* +** Return the preferred table name for system tables. Translate legacy +** names into the new preferred names, as appropriate. +*/ +SQLITE_PRIVATE const char *sqlite3PreferredTableName(const char *zName){ + if( sqlite3StrNICmp(zName, "sqlite_", 7)==0 ){ + if( sqlite3StrICmp(zName+7, &LEGACY_SCHEMA_TABLE[7])==0 ){ + return PREFERRED_SCHEMA_TABLE; + } + if( sqlite3StrICmp(zName+7, &LEGACY_TEMP_SCHEMA_TABLE[7])==0 ){ + return PREFERRED_TEMP_SCHEMA_TABLE; + } + } + return zName; +} + /* ** Locate the in-memory structure that describes ** a particular index given the name of that index @@ -111020,6 +120066,84 @@ SQLITE_PRIVATE void sqlite3CommitInternalChanges(sqlite3 *db){ db->mDbFlags &= ~DBFLAG_SchemaChange; } +/* +** Set the expression associated with a column. This is usually +** the DEFAULT value, but might also be the expression that computes +** the value for a generated column. +*/ +SQLITE_PRIVATE void sqlite3ColumnSetExpr( + Parse *pParse, /* Parsing context */ + Table *pTab, /* The table containing the column */ + Column *pCol, /* The column to receive the new DEFAULT expression */ + Expr *pExpr /* The new default expression */ +){ + ExprList *pList; + assert( IsOrdinaryTable(pTab) ); + pList = pTab->u.tab.pDfltList; + if( pCol->iDflt==0 + || NEVER(pList==0) + || NEVER(pList->nExpriDflt) + ){ + pCol->iDflt = pList==0 ? 1 : pList->nExpr+1; + pTab->u.tab.pDfltList = sqlite3ExprListAppend(pParse, pList, pExpr); + }else{ + sqlite3ExprDelete(pParse->db, pList->a[pCol->iDflt-1].pExpr); + pList->a[pCol->iDflt-1].pExpr = pExpr; + } +} + +/* +** Return the expression associated with a column. The expression might be +** the DEFAULT clause or the AS clause of a generated column. +** Return NULL if the column has no associated expression. +*/ +SQLITE_PRIVATE Expr *sqlite3ColumnExpr(Table *pTab, Column *pCol){ + if( pCol->iDflt==0 ) return 0; + if( NEVER(!IsOrdinaryTable(pTab)) ) return 0; + if( NEVER(pTab->u.tab.pDfltList==0) ) return 0; + if( NEVER(pTab->u.tab.pDfltList->nExpriDflt) ) return 0; + return pTab->u.tab.pDfltList->a[pCol->iDflt-1].pExpr; +} + +/* +** Set the collating sequence name for a column. +*/ +SQLITE_PRIVATE void sqlite3ColumnSetColl( + sqlite3 *db, + Column *pCol, + const char *zColl +){ + i64 nColl; + i64 n; + char *zNew; + assert( zColl!=0 ); + n = sqlite3Strlen30(pCol->zCnName) + 1; + if( pCol->colFlags & COLFLAG_HASTYPE ){ + n += sqlite3Strlen30(pCol->zCnName+n) + 1; + } + nColl = sqlite3Strlen30(zColl) + 1; + zNew = sqlite3DbRealloc(db, pCol->zCnName, nColl+n); + if( zNew ){ + pCol->zCnName = zNew; + memcpy(pCol->zCnName + n, zColl, nColl); + pCol->colFlags |= COLFLAG_HASCOLL; + } +} + +/* +** Return the collating sequence name for a column +*/ +SQLITE_PRIVATE const char *sqlite3ColumnColl(Column *pCol){ + const char *z; + if( (pCol->colFlags & COLFLAG_HASCOLL)==0 ) return 0; + z = pCol->zCnName; + while( *z ){ z++; } + if( pCol->colFlags & COLFLAG_HASTYPE ){ + do{ z++; }while( *z ); + } + return z+1; +} + /* ** Delete memory allocated for the column names of a table or view (the ** Table.aCol[] array). @@ -111028,14 +120152,23 @@ SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3 *db, Table *pTable){ int i; Column *pCol; assert( pTable!=0 ); + assert( db!=0 ); if( (pCol = pTable->aCol)!=0 ){ for(i=0; inCol; i++, pCol++){ - assert( pCol->zName==0 || pCol->hName==sqlite3StrIHash(pCol->zName) ); - sqlite3DbFree(db, pCol->zName); - sqlite3ExprDelete(db, pCol->pDflt); - sqlite3DbFree(db, pCol->zColl); + assert( pCol->zCnName==0 || pCol->hName==sqlite3StrIHash(pCol->zCnName) ); + sqlite3DbFree(db, pCol->zCnName); + } + sqlite3DbNNFreeNN(db, pTable->aCol); + if( IsOrdinaryTable(pTable) ){ + sqlite3ExprListDelete(db, pTable->u.tab.pDfltList); + } + if( db->pnBytesFreed==0 ){ + pTable->aCol = 0; + pTable->nCol = 0; + if( IsOrdinaryTable(pTable) ){ + pTable->u.tab.pDfltList = 0; + } } - sqlite3DbFree(db, pTable->aCol); } } @@ -111066,7 +120199,8 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ ** a Table object that was going to be marked ephemeral. So do not check ** that no lookaside memory is used in this case either. */ int nLookaside = 0; - if( db && !db->mallocFailed && (pTable->tabFlags & TF_Ephemeral)==0 ){ + assert( db!=0 ); + if( !db->mallocFailed && (pTable->tabFlags & TF_Ephemeral)==0 ){ nLookaside = sqlite3LookasideUsed(db, 0); } #endif @@ -111076,7 +120210,7 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ pNext = pIndex->pNext; assert( pIndex->pSchema==pTable->pSchema || (IsVirtual(pTable) && pIndex->idxType!=SQLITE_IDXTYPE_APPDEF) ); - if( (db==0 || db->pnBytesFreed==0) && !IsVirtual(pTable) ){ + if( db->pnBytesFreed==0 && !IsVirtual(pTable) ){ char *zName = pIndex->zName; TESTONLY ( Index *pOld = ) sqlite3HashInsert( &pIndex->pSchema->idxHash, zName, 0 @@ -111087,19 +120221,25 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ sqlite3FreeIndex(db, pIndex); } - /* Delete any foreign keys attached to this table. */ - sqlite3FkDelete(db, pTable); + if( IsOrdinaryTable(pTable) ){ + sqlite3FkDelete(db, pTable); + } +#ifndef SQLITE_OMIT_VIRTUALTABLE + else if( IsVirtual(pTable) ){ + sqlite3VtabClear(db, pTable); + } +#endif + else{ + assert( IsView(pTable) ); + sqlite3SelectDelete(db, pTable->u.view.pSelect); + } /* Delete the Table structure itself. */ sqlite3DeleteColumnNames(db, pTable); sqlite3DbFree(db, pTable->zName); sqlite3DbFree(db, pTable->zColAff); - sqlite3SelectDelete(db, pTable->pSelect); sqlite3ExprListDelete(db, pTable->pCheck); -#ifndef SQLITE_OMIT_VIRTUALTABLE - sqlite3VtabClear(db, pTable); -#endif sqlite3DbFree(db, pTable); /* Verify that no lookaside memory was used by schema tables */ @@ -111107,8 +120247,9 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ } SQLITE_PRIVATE void sqlite3DeleteTable(sqlite3 *db, Table *pTable){ /* Do not delete the table until the reference count reaches zero. */ + assert( db!=0 ); if( !pTable ) return; - if( ((!db || db->pnBytesFreed==0) && (--pTable->nTabRef)>0) ) return; + if( db->pnBytesFreed==0 && (--pTable->nTabRef)>0 ) return; deleteTable(db, pTable); } @@ -111145,10 +120286,10 @@ SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTable(sqlite3 *db, int iDb, const char ** are not \000 terminated and are not persistent. The returned string ** is \000 terminated and is persistent. */ -SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3 *db, Token *pName){ +SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3 *db, const Token *pName){ char *zName; if( pName ){ - zName = sqlite3DbStrNDup(db, (char*)pName->z, pName->n); + zName = sqlite3DbStrNDup(db, (const char*)pName->z, pName->n); sqlite3Dequote(zName); }else{ zName = 0; @@ -111162,7 +120303,7 @@ SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3 *db, Token *pName){ */ SQLITE_PRIVATE void sqlite3OpenSchemaTable(Parse *p, int iDb){ Vdbe *v = sqlite3GetVdbe(p); - sqlite3TableLock(p, iDb, SCHEMA_ROOT, 1, DFLT_SCHEMA_TABLE); + sqlite3TableLock(p, iDb, SCHEMA_ROOT, 1, LEGACY_SCHEMA_TABLE); sqlite3VdbeAddOp4Int(v, OP_OpenWrite, 0, SCHEMA_ROOT, iDb, 5); if( p->nTab==0 ){ p->nTab = 1; @@ -111242,7 +120383,7 @@ SQLITE_PRIVATE int sqlite3TwoPartName( return -1; } }else{ - assert( db->init.iDb==0 || db->init.busy || IN_RENAME_OBJECT + assert( db->init.iDb==0 || db->init.busy || IN_SPECIAL_PARSE || (db->mDbFlags & DBFLAG_Vacuum)!=0); iDb = db->init.iDb; *pUnqual = pName1; @@ -111411,6 +120552,23 @@ SQLITE_PRIVATE i16 sqlite3TableColumnToStorage(Table *pTab, i16 iCol){ } #endif +/* +** Insert a single OP_JournalMode query opcode in order to force the +** prepared statement to return false for sqlite3_stmt_readonly(). This +** is used by CREATE TABLE IF NOT EXISTS and similar if the table already +** exists, so that the prepared statement for CREATE TABLE IF NOT EXISTS +** will return false for sqlite3_stmt_readonly() even if that statement +** is a read-only no-op. +*/ +static void sqlite3ForceNotReadOnly(Parse *pParse){ + int iReg = ++pParse->nMem; + Vdbe *v = sqlite3GetVdbe(pParse); + if( v ){ + sqlite3VdbeAddOp3(v, OP_JournalMode, 0, iReg, PAGER_JOURNALMODE_QUERY); + sqlite3VdbeUsesBtree(v, 0); + } +} + /* ** Begin constructing a new table representation in memory. This is ** the first of several action routines that get called in response @@ -111506,10 +120664,12 @@ SQLITE_PRIVATE void sqlite3StartTable( pTable = sqlite3FindTable(db, zName, zDb); if( pTable ){ if( !noErr ){ - sqlite3ErrorMsg(pParse, "table %T already exists", pName); + sqlite3ErrorMsg(pParse, "%s %T already exists", + (IsView(pTable)? "view" : "table"), pName); }else{ assert( !db->init.busy || CORRUPT_DB ); sqlite3CodeVerifySchema(pParse, iDb); + sqlite3ForceNotReadOnly(pParse); } goto begin_table_error; } @@ -111538,17 +120698,6 @@ SQLITE_PRIVATE void sqlite3StartTable( assert( pParse->pNewTable==0 ); pParse->pNewTable = pTable; - /* If this is the magic sqlite_sequence table used by autoincrement, - ** then record a pointer to this table in the main database structure - ** so that INSERT can find the table easily. - */ -#ifndef SQLITE_OMIT_AUTOINCREMENT - if( !pParse->nested && strcmp(zName, "sqlite_sequence")==0 ){ - assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); - pTable->pSchema->pSeqTab = pTable; - } -#endif - /* Begin generating the code that will insert the table record into ** the schema table. Note in particular that we must go ahead ** and allocate the record number for the table entry now. Before any @@ -111601,7 +120750,8 @@ SQLITE_PRIVATE void sqlite3StartTable( }else #endif { - pParse->addrCrTab = + assert( !pParse->bReturning ); + pParse->u1.addrCrTab = sqlite3VdbeAddOp3(v, OP_CreateBtree, iDb, reg2, BTREE_INTKEY); } sqlite3OpenSchemaTable(pParse, iDb); @@ -111617,6 +120767,7 @@ SQLITE_PRIVATE void sqlite3StartTable( /* If an error occurs, we jump here */ begin_table_error: + pParse->checkSchema = 1; sqlite3DbFree(db, zName); return; } @@ -111626,14 +120777,89 @@ SQLITE_PRIVATE void sqlite3StartTable( */ #if SQLITE_ENABLE_HIDDEN_COLUMNS SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table *pTab, Column *pCol){ - if( sqlite3_strnicmp(pCol->zName, "__hidden__", 10)==0 ){ + if( sqlite3_strnicmp(pCol->zCnName, "__hidden__", 10)==0 ){ pCol->colFlags |= COLFLAG_HIDDEN; + if( pTab ) pTab->tabFlags |= TF_HasHidden; }else if( pTab && pCol!=pTab->aCol && (pCol[-1].colFlags & COLFLAG_HIDDEN) ){ pTab->tabFlags |= TF_OOOHidden; } } #endif +/* +** Name of the special TEMP trigger used to implement RETURNING. The +** name begins with "sqlite_" so that it is guaranteed not to collide +** with any application-generated triggers. +*/ +#define RETURNING_TRIGGER_NAME "sqlite_returning" + +/* +** Clean up the data structures associated with the RETURNING clause. +*/ +static void sqlite3DeleteReturning(sqlite3 *db, Returning *pRet){ + Hash *pHash; + pHash = &(db->aDb[1].pSchema->trigHash); + sqlite3HashInsert(pHash, RETURNING_TRIGGER_NAME, 0); + sqlite3ExprListDelete(db, pRet->pReturnEL); + sqlite3DbFree(db, pRet); +} + +/* +** Add the RETURNING clause to the parse currently underway. +** +** This routine creates a special TEMP trigger that will fire for each row +** of the DML statement. That TEMP trigger contains a single SELECT +** statement with a result set that is the argument of the RETURNING clause. +** The trigger has the Trigger.bReturning flag and an opcode of +** TK_RETURNING instead of TK_SELECT, so that the trigger code generator +** knows to handle it specially. The TEMP trigger is automatically +** removed at the end of the parse. +** +** When this routine is called, we do not yet know if the RETURNING clause +** is attached to a DELETE, INSERT, or UPDATE, so construct it as a +** RETURNING trigger instead. It will then be converted into the appropriate +** type on the first call to sqlite3TriggersExist(). +*/ +SQLITE_PRIVATE void sqlite3AddReturning(Parse *pParse, ExprList *pList){ + Returning *pRet; + Hash *pHash; + sqlite3 *db = pParse->db; + if( pParse->pNewTrigger ){ + sqlite3ErrorMsg(pParse, "cannot use RETURNING in a trigger"); + }else{ + assert( pParse->bReturning==0 || pParse->ifNotExists ); + } + pParse->bReturning = 1; + pRet = sqlite3DbMallocZero(db, sizeof(*pRet)); + if( pRet==0 ){ + sqlite3ExprListDelete(db, pList); + return; + } + pParse->u1.pReturning = pRet; + pRet->pParse = pParse; + pRet->pReturnEL = pList; + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3DeleteReturning, pRet); + testcase( pParse->earlyCleanup ); + if( db->mallocFailed ) return; + pRet->retTrig.zName = RETURNING_TRIGGER_NAME; + pRet->retTrig.op = TK_RETURNING; + pRet->retTrig.tr_tm = TRIGGER_AFTER; + pRet->retTrig.bReturning = 1; + pRet->retTrig.pSchema = db->aDb[1].pSchema; + pRet->retTrig.pTabSchema = db->aDb[1].pSchema; + pRet->retTrig.step_list = &pRet->retTStep; + pRet->retTStep.op = TK_RETURNING; + pRet->retTStep.pTrig = &pRet->retTrig; + pRet->retTStep.pExprList = pList; + pHash = &(db->aDb[1].pSchema->trigHash); + assert( sqlite3HashFind(pHash, RETURNING_TRIGGER_NAME)==0 + || pParse->nErr || pParse->ifNotExists ); + if( sqlite3HashInsert(pHash, RETURNING_TRIGGER_NAME, &pRet->retTrig) + ==&pRet->retTrig ){ + sqlite3OomFault(db); + } +} /* ** Add a new column to the table currently being constructed. @@ -111643,60 +120869,104 @@ SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table *pTab, Column *pCol){ ** first to get things going. Then this routine is called for each ** column. */ -SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token *pName, Token *pType){ +SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token sName, Token sType){ Table *p; int i; char *z; char *zType; Column *pCol; sqlite3 *db = pParse->db; + u8 hName; + Column *aNew; + u8 eType = COLTYPE_CUSTOM; + u8 szEst = 1; + char affinity = SQLITE_AFF_BLOB; + if( (p = pParse->pNewTable)==0 ) return; if( p->nCol+1>db->aLimit[SQLITE_LIMIT_COLUMN] ){ sqlite3ErrorMsg(pParse, "too many columns on %s", p->zName); return; } - z = sqlite3DbMallocRaw(db, pName->n + pType->n + 2); + if( !IN_RENAME_OBJECT ) sqlite3DequoteToken(&sName); + + /* Because keywords GENERATE ALWAYS can be converted into identifiers + ** by the parser, we can sometimes end up with a typename that ends + ** with "generated always". Check for this case and omit the surplus + ** text. */ + if( sType.n>=16 + && sqlite3_strnicmp(sType.z+(sType.n-6),"always",6)==0 + ){ + sType.n -= 6; + while( ALWAYS(sType.n>0) && sqlite3Isspace(sType.z[sType.n-1]) ) sType.n--; + if( sType.n>=9 + && sqlite3_strnicmp(sType.z+(sType.n-9),"generated",9)==0 + ){ + sType.n -= 9; + while( sType.n>0 && sqlite3Isspace(sType.z[sType.n-1]) ) sType.n--; + } + } + + /* Check for standard typenames. For standard typenames we will + ** set the Column.eType field rather than storing the typename after + ** the column name, in order to save space. */ + if( sType.n>=3 ){ + sqlite3DequoteToken(&sType); + for(i=0; i0) ); if( z==0 ) return; - if( IN_RENAME_OBJECT ) sqlite3RenameTokenMap(pParse, (void*)z, pName); - memcpy(z, pName->z, pName->n); - z[pName->n] = 0; + if( IN_RENAME_OBJECT ) sqlite3RenameTokenMap(pParse, (void*)z, &sName); + memcpy(z, sName.z, sName.n); + z[sName.n] = 0; sqlite3Dequote(z); + hName = sqlite3StrIHash(z); for(i=0; inCol; i++){ - if( sqlite3_stricmp(z, p->aCol[i].zName)==0 ){ + if( p->aCol[i].hName==hName && sqlite3StrICmp(z, p->aCol[i].zCnName)==0 ){ sqlite3ErrorMsg(pParse, "duplicate column name: %s", z); sqlite3DbFree(db, z); return; } } - if( (p->nCol & 0x7)==0 ){ - Column *aNew; - aNew = sqlite3DbRealloc(db,p->aCol,(p->nCol+8)*sizeof(p->aCol[0])); - if( aNew==0 ){ - sqlite3DbFree(db, z); - return; - } - p->aCol = aNew; + aNew = sqlite3DbRealloc(db,p->aCol,((i64)p->nCol+1)*sizeof(p->aCol[0])); + if( aNew==0 ){ + sqlite3DbFree(db, z); + return; } + p->aCol = aNew; pCol = &p->aCol[p->nCol]; memset(pCol, 0, sizeof(p->aCol[0])); - pCol->zName = z; - pCol->hName = sqlite3StrIHash(z); + pCol->zCnName = z; + pCol->hName = hName; sqlite3ColumnPropertiesFromName(p, pCol); - if( pType->n==0 ){ + if( sType.n==0 ){ /* If there is no type specified, columns have the default affinity ** 'BLOB' with a default size of 4 bytes. */ - pCol->affinity = SQLITE_AFF_BLOB; - pCol->szEst = 1; + pCol->affinity = affinity; + pCol->eCType = eType; + pCol->szEst = szEst; #ifdef SQLITE_ENABLE_SORTER_REFERENCES - if( 4>=sqlite3GlobalConfig.szSorterRef ){ - pCol->colFlags |= COLFLAG_SORTERREF; + if( affinity==SQLITE_AFF_BLOB ){ + if( 4>=sqlite3GlobalConfig.szSorterRef ){ + pCol->colFlags |= COLFLAG_SORTERREF; + } } #endif }else{ zType = z + sqlite3Strlen30(z) + 1; - memcpy(zType, pType->z, pType->n); - zType[pType->n] = 0; + memcpy(zType, sType.z, sType.n); + zType[sType.n] = 0; sqlite3Dequote(zType); pCol->affinity = sqlite3AffinityType(zType, pCol); pCol->colFlags |= COLFLAG_HASTYPE; @@ -111840,7 +121110,7 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( Parse *pParse, /* Parsing context */ Expr *pExpr, /* The parsed expression of the default value */ const char *zStart, /* Start of the default value text */ - const char *zEnd /* First character past end of defaut value text */ + const char *zEnd /* First character past end of default value text */ ){ Table *p; Column *pCol; @@ -111851,7 +121121,7 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( pCol = &(p->aCol[p->nCol-1]); if( !sqlite3ExprIsConstantOrFunction(pExpr, isInit) ){ sqlite3ErrorMsg(pParse, "default value of column [%s] is not constant", - pCol->zName); + pCol->zCnName); #ifndef SQLITE_OMIT_GENERATED_COLUMNS }else if( pCol->colFlags & COLFLAG_GENERATED ){ testcase( pCol->colFlags & COLFLAG_VIRTUAL ); @@ -111862,15 +121132,15 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( /* A copy of pExpr is used instead of the original, as pExpr contains ** tokens that point to volatile memory. */ - Expr x; - sqlite3ExprDelete(db, pCol->pDflt); + Expr x, *pDfltExpr; memset(&x, 0, sizeof(x)); x.op = TK_SPAN; x.u.zToken = sqlite3DbSpanDup(db, zStart, zEnd); x.pLeft = pExpr; x.flags = EP_Skip; - pCol->pDflt = sqlite3ExprDup(db, &x, EXPRDUP_REDUCE); + pDfltExpr = sqlite3ExprDup(db, &x, EXPRDUP_REDUCE); sqlite3DbFree(db, x.u.zToken); + sqlite3ColumnSetExpr(pParse, p, pCol, pDfltExpr); } } if( IN_RENAME_OBJECT ){ @@ -111966,9 +121236,11 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( assert( pCExpr!=0 ); sqlite3StringToId(pCExpr); if( pCExpr->op==TK_ID ){ - const char *zCName = pCExpr->u.zToken; + const char *zCName; + assert( !ExprHasProperty(pCExpr, EP_IntValue) ); + zCName = pCExpr->u.zToken; for(iCol=0; iColnCol; iCol++){ - if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){ + if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zCnName)==0 ){ pCol = &pTab->aCol[iCol]; makeColumnPartOfPrimaryKey(pParse, pCol); break; @@ -111979,7 +121251,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( } if( nTerm==1 && pCol - && sqlite3StrICmp(sqlite3ColumnType(pCol,""), "INTEGER")==0 + && pCol->eCType==COLTYPE_INTEGER && sortOrder!=SQLITE_SO_DESC ){ if( IN_RENAME_OBJECT && pList ){ @@ -111990,7 +121262,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( pTab->keyConf = (u8)onError; assert( autoInc==0 || autoInc==1 ); pTab->tabFlags |= autoInc*TF_Autoincrement; - if( pList ) pParse->iPkSortOrder = pList->a[0].sortFlags; + if( pList ) pParse->iPkSortOrder = pList->a[0].fg.sortFlags; (void)sqlite3HasExplicitNulls(pParse, pList); }else if( autoInc ){ #ifndef SQLITE_OMIT_AUTOINCREMENT @@ -112012,8 +121284,10 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( ** Add a new CHECK constraint to the table currently under construction. */ SQLITE_PRIVATE void sqlite3AddCheckConstraint( - Parse *pParse, /* Parsing context */ - Expr *pCheckExpr /* The check expression */ + Parse *pParse, /* Parsing context */ + Expr *pCheckExpr, /* The check expression */ + const char *zStart, /* Opening "(" */ + const char *zEnd /* Closing ")" */ ){ #ifndef SQLITE_OMIT_CHECK Table *pTab = pParse->pNewTable; @@ -112024,6 +121298,13 @@ SQLITE_PRIVATE void sqlite3AddCheckConstraint( pTab->pCheck = sqlite3ExprListAppend(pParse, pTab->pCheck, pCheckExpr); if( pParse->constraintName.n ){ sqlite3ExprListSetName(pParse, pTab->pCheck, &pParse->constraintName, 1); + }else{ + Token t; + for(zStart++; sqlite3Isspace(zStart[0]); zStart++){} + while( sqlite3Isspace(zEnd[-1]) ){ zEnd--; } + t.z = zStart; + t.n = (int)(zEnd - t.z); + sqlite3ExprListSetName(pParse, pTab->pCheck, &t, 1); } }else #endif @@ -112042,7 +121323,7 @@ SQLITE_PRIVATE void sqlite3AddCollateType(Parse *pParse, Token *pToken){ char *zColl; /* Dequoted name of collation sequence */ sqlite3 *db; - if( (p = pParse->pNewTable)==0 ) return; + if( (p = pParse->pNewTable)==0 || IN_RENAME_OBJECT ) return; i = p->nCol-1; db = pParse->db; zColl = sqlite3NameFromToken(db, pToken); @@ -112050,8 +121331,7 @@ SQLITE_PRIVATE void sqlite3AddCollateType(Parse *pParse, Token *pToken){ if( sqlite3LocateCollSeq(pParse, zColl) ){ Index *pIdx; - sqlite3DbFree(db, p->aCol[i].zColl); - p->aCol[i].zColl = zColl; + sqlite3ColumnSetColl(db, &p->aCol[i], zColl); /* If the column is declared as " PRIMARY KEY COLLATE ", ** then an index may have been created on this column before the @@ -112060,12 +121340,11 @@ SQLITE_PRIVATE void sqlite3AddCollateType(Parse *pParse, Token *pToken){ for(pIdx=p->pIndex; pIdx; pIdx=pIdx->pNext){ assert( pIdx->nKeyCol==1 ); if( pIdx->aiColumn[0]==i ){ - pIdx->azColl[0] = p->aCol[i].zColl; + pIdx->azColl[0] = sqlite3ColumnColl(&p->aCol[i]); } } - }else{ - sqlite3DbFree(db, zColl); } + sqlite3DbFree(db, zColl); } /* Change the most recently parsed column to be a GENERATED ALWAYS AS @@ -112085,7 +121364,7 @@ SQLITE_PRIVATE void sqlite3AddGenerated(Parse *pParse, Expr *pExpr, Token *pType sqlite3ErrorMsg(pParse, "virtual tables cannot use computed columns"); goto generated_done; } - if( pCol->pDflt ) goto generated_error; + if( pCol->iDflt>0 ) goto generated_error; if( pType ){ if( pType->n==7 && sqlite3StrNICmp("virtual",pType->z,7)==0 ){ /* no-op */ @@ -112103,13 +121382,21 @@ SQLITE_PRIVATE void sqlite3AddGenerated(Parse *pParse, Expr *pExpr, Token *pType if( pCol->colFlags & COLFLAG_PRIMKEY ){ makeColumnPartOfPrimaryKey(pParse, pCol); /* For the error message */ } - pCol->pDflt = pExpr; + if( ALWAYS(pExpr) && pExpr->op==TK_ID ){ + /* The value of a generated column needs to be a real expression, not + ** just a reference to another column, in order for covering index + ** optimizations to work correctly. So if the value is not an expression, + ** turn it into one by adding a unary "+" operator. */ + pExpr = sqlite3PExpr(pParse, TK_UPLUS, pExpr, 0); + } + if( pExpr && pExpr->op!=TK_RAISE ) pExpr->affExpr = pCol->affinity; + sqlite3ColumnSetExpr(pParse, pTab, pCol, pExpr); pExpr = 0; goto generated_done; generated_error: sqlite3ErrorMsg(pParse, "error in generated column \"%s\"", - pCol->zName); + pCol->zCnName); generated_done: sqlite3ExprDelete(pParse->db, pExpr); #else @@ -112171,7 +121458,7 @@ static int identLength(const char *z){ ** to the specified offset in the buffer and updates *pIdx to refer ** to the first byte after the last byte written before returning. ** -** If the string zSignedIdent consists entirely of alpha-numeric +** If the string zSignedIdent consists entirely of alphanumeric ** characters, does not begin with a digit and is not an SQL keyword, ** then it is copied to the output buffer exactly as it is. Otherwise, ** it is quoted using double-quotes. @@ -112211,7 +121498,7 @@ static char *createTableStmt(sqlite3 *db, Table *p){ Column *pCol; n = 0; for(pCol = p->aCol, i=0; inCol; i++, pCol++){ - n += identLength(pCol->zName) + 5; + n += identLength(pCol->zCnName) + 5; } n += identLength(p->zName); if( n<50 ){ @@ -112239,7 +121526,8 @@ static char *createTableStmt(sqlite3 *db, Table *p){ /* SQLITE_AFF_TEXT */ " TEXT", /* SQLITE_AFF_NUMERIC */ " NUM", /* SQLITE_AFF_INTEGER */ " INT", - /* SQLITE_AFF_REAL */ " REAL" + /* SQLITE_AFF_REAL */ " REAL", + /* SQLITE_AFF_FLEXNUM */ " NUM", }; int len; const char *zType; @@ -112247,7 +121535,7 @@ static char *createTableStmt(sqlite3 *db, Table *p){ sqlite3_snprintf(n-k, &zStmt[k], zSep); k += sqlite3Strlen30(&zStmt[k]); zSep = zSep2; - identPut(zStmt, &k, pCol->zName); + identPut(zStmt, &k, pCol->zCnName); assert( pCol->affinity-SQLITE_AFF_BLOB >= 0 ); assert( pCol->affinity-SQLITE_AFF_BLOB < ArraySize(azType) ); testcase( pCol->affinity==SQLITE_AFF_BLOB ); @@ -112255,10 +121543,12 @@ static char *createTableStmt(sqlite3 *db, Table *p){ testcase( pCol->affinity==SQLITE_AFF_NUMERIC ); testcase( pCol->affinity==SQLITE_AFF_INTEGER ); testcase( pCol->affinity==SQLITE_AFF_REAL ); + testcase( pCol->affinity==SQLITE_AFF_FLEXNUM ); zType = azType[pCol->affinity - SQLITE_AFF_BLOB]; len = sqlite3Strlen30(zType); assert( pCol->affinity==SQLITE_AFF_BLOB + || pCol->affinity==SQLITE_AFF_FLEXNUM || pCol->affinity==sqlite3AffinityType(zType, 0) ); memcpy(&zStmt[k], zType, len); k += len; @@ -112277,12 +121567,15 @@ static int resizeIndexObject(sqlite3 *db, Index *pIdx, int N){ int nByte; if( pIdx->nColumn>=N ) return SQLITE_OK; assert( pIdx->isResized==0 ); - nByte = (sizeof(char*) + sizeof(i16) + 1)*N; + nByte = (sizeof(char*) + sizeof(LogEst) + sizeof(i16) + 1)*N; zExtra = sqlite3DbMallocZero(db, nByte); if( zExtra==0 ) return SQLITE_NOMEM_BKPT; memcpy(zExtra, pIdx->azColl, sizeof(char*)*pIdx->nColumn); pIdx->azColl = (const char**)zExtra; zExtra += sizeof(char*)*N; + memcpy(zExtra, pIdx->aiRowLogEst, sizeof(LogEst)*(pIdx->nKeyCol+1)); + pIdx->aiRowLogEst = (LogEst*)zExtra; + zExtra += sizeof(LogEst)*N; memcpy(zExtra, pIdx->aiColumn, sizeof(i16)*pIdx->nColumn); pIdx->aiColumn = (i16*)zExtra; zExtra += sizeof(i16)*N; @@ -112317,7 +121610,7 @@ static void estimateIndexWidth(Index *pIdx){ for(i=0; inColumn; i++){ i16 x = pIdx->aiColumn[i]; assert( xpTable->nCol ); - wIndex += x<0 ? 1 : aCol[pIdx->aiColumn[i]].szEst; + wIndex += x<0 ? 1 : aCol[x].szEst; } pIdx->szIdxRow = sqlite3LogEst(wIndex*4); } @@ -112328,7 +121621,6 @@ static void estimateIndexWidth(Index *pIdx){ */ static int hasColumn(const i16 *aiCol, int nCol, int x){ while( nCol-- > 0 ){ - assert( aiCol[0]>=0 ); if( x==*(aiCol++) ){ return 1; } @@ -112373,7 +121665,8 @@ static int isDupColumn(Index *pIdx, int nKey, Index *pPk, int iCol){ /* Recompute the colNotIdxed field of the Index. ** ** colNotIdxed is a bitmask that has a 0 bit representing each indexed -** columns that are within the first 63 columns of the table. The +** columns that are within the first 63 columns of the table and a 1 for +** all other bits (all columns that are not in the index). The ** high-order bit of colNotIdxed is always 1. All unindexed columns ** of the table have a 1. ** @@ -112401,7 +121694,7 @@ static void recomputeColumnsNotIndexed(Index *pIdx){ } } pIdx->colNotIdxed = ~m; - assert( (pIdx->colNotIdxed>>63)==1 ); + assert( (pIdx->colNotIdxed>>63)==1 ); /* See note-20221022-a */ } /* @@ -112441,7 +121734,9 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ */ if( !db->init.imposterTable ){ for(i=0; inCol; i++){ - if( (pTab->aCol[i].colFlags & COLFLAG_PRIMKEY)!=0 ){ + if( (pTab->aCol[i].colFlags & COLFLAG_PRIMKEY)!=0 + && (pTab->aCol[i].notNull==OE_None) + ){ pTab->aCol[i].notNull = OE_Abort; } } @@ -112451,9 +121746,10 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ /* Convert the P3 operand of the OP_CreateBtree opcode from BTREE_INTKEY ** into BTREE_BLOBKEY. */ - if( pParse->addrCrTab ){ + assert( !pParse->bReturning ); + if( pParse->u1.addrCrTab ){ assert( v ); - sqlite3VdbeChangeP3(v, pParse->addrCrTab, BTREE_BLOBKEY); + sqlite3VdbeChangeP3(v, pParse->u1.addrCrTab, BTREE_BLOBKEY); } /* Locate the PRIMARY KEY index. Or, if this table was originally @@ -112462,19 +121758,26 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ if( pTab->iPKey>=0 ){ ExprList *pList; Token ipkToken; - sqlite3TokenInit(&ipkToken, pTab->aCol[pTab->iPKey].zName); + sqlite3TokenInit(&ipkToken, pTab->aCol[pTab->iPKey].zCnName); pList = sqlite3ExprListAppend(pParse, 0, sqlite3ExprAlloc(db, TK_ID, &ipkToken, 0)); - if( pList==0 ) return; + if( pList==0 ){ + pTab->tabFlags &= ~TF_WithoutRowid; + return; + } if( IN_RENAME_OBJECT ){ sqlite3RenameTokenRemap(pParse, pList->a[0].pExpr, &pTab->iPKey); } - pList->a[0].sortFlags = pParse->iPkSortOrder; + pList->a[0].fg.sortFlags = pParse->iPkSortOrder; assert( pParse->pNewTable==pTab ); pTab->iPKey = -1; sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0, SQLITE_IDXTYPE_PRIMARYKEY); - if( db->mallocFailed || pParse->nErr ) return; + if( pParse->nErr ){ + pTab->tabFlags &= ~TF_WithoutRowid; + return; + } + assert( db->mallocFailed==0 ); pPk = sqlite3PrimaryKeyIndex(pTab); assert( pPk->nKeyCol==1 ); }else{ @@ -112586,7 +121889,7 @@ SQLITE_PRIVATE int sqlite3IsShadowTableOf(sqlite3 *db, Table *pTab, const char * nName = sqlite3Strlen30(pTab->zName); if( sqlite3_strnicmp(zName, pTab->zName, nName)!=0 ) return 0; if( zName[nName]!='_' ) return 0; - pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]); + pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->u.vtab.azArg[0]); if( pMod==0 ) return 0; if( pMod->pModule->iVersion<3 ) return 0; if( pMod->pModule->xShadowName==0 ) return 0; @@ -112594,6 +121897,41 @@ SQLITE_PRIVATE int sqlite3IsShadowTableOf(sqlite3 *db, Table *pTab, const char * } #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ +#ifndef SQLITE_OMIT_VIRTUALTABLE +/* +** Table pTab is a virtual table. If it the virtual table implementation +** exists and has an xShadowName method, then loop over all other ordinary +** tables within the same schema looking for shadow tables of pTab, and mark +** any shadow tables seen using the TF_Shadow flag. +*/ +SQLITE_PRIVATE void sqlite3MarkAllShadowTablesOf(sqlite3 *db, Table *pTab){ + int nName; /* Length of pTab->zName */ + Module *pMod; /* Module for the virtual table */ + HashElem *k; /* For looping through the symbol table */ + + assert( IsVirtual(pTab) ); + pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->u.vtab.azArg[0]); + if( pMod==0 ) return; + if( NEVER(pMod->pModule==0) ) return; + if( pMod->pModule->iVersion<3 ) return; + if( pMod->pModule->xShadowName==0 ) return; + assert( pTab->zName!=0 ); + nName = sqlite3Strlen30(pTab->zName); + for(k=sqliteHashFirst(&pTab->pSchema->tblHash); k; k=sqliteHashNext(k)){ + Table *pOther = sqliteHashData(k); + assert( pOther->zName!=0 ); + if( !IsOrdinaryTable(pOther) ) continue; + if( pOther->tabFlags & TF_Shadow ) continue; + if( sqlite3StrNICmp(pOther->zName, pTab->zName, nName)==0 + && pOther->zName[nName]=='_' + && pMod->pModule->xShadowName(pOther->zName+nName+1) + ){ + pOther->tabFlags |= TF_Shadow; + } + } +} +#endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Return true if zName is a shadow table name in the current database @@ -112625,6 +121963,7 @@ SQLITE_PRIVATE int sqlite3ShadowTableName(sqlite3 *db, const char *zName){ ** not pass them into code generator routines by mistake. */ static int markImmutableExprStep(Walker *pWalker, Expr *pExpr){ + (void)pWalker; ExprSetVVAProperty(pExpr, EP_Immutable); return WRC_Continue; } @@ -112667,7 +122006,7 @@ SQLITE_PRIVATE void sqlite3EndTable( Parse *pParse, /* Parse context */ Token *pCons, /* The ',' token after the last column defn. */ Token *pEnd, /* The ')' before options in the CREATE TABLE */ - u8 tabOpts, /* Extra table options. Usually 0. */ + u32 tabOpts, /* Extra table options. Usually 0. */ Select *pSelect /* Select from a "CREATE ... AS SELECT" */ ){ Table *p; /* The new table */ @@ -112678,7 +122017,6 @@ SQLITE_PRIVATE void sqlite3EndTable( if( pEnd==0 && pSelect==0 ){ return; } - assert( !db->mallocFailed ); p = pParse->pNewTable; if( p==0 ) return; @@ -112696,7 +122034,7 @@ SQLITE_PRIVATE void sqlite3EndTable( ** table itself. So mark it read-only. */ if( db->init.busy ){ - if( pSelect ){ + if( pSelect || (!IsOrdinaryTable(p) && db->init.newTnum) ){ sqlite3ErrorMsg(pParse, ""); return; } @@ -112704,6 +122042,44 @@ SQLITE_PRIVATE void sqlite3EndTable( if( p->tnum==1 ) p->tabFlags |= TF_Readonly; } + /* Special processing for tables that include the STRICT keyword: + ** + ** * Do not allow custom column datatypes. Every column must have + ** a datatype that is one of INT, INTEGER, REAL, TEXT, or BLOB. + ** + ** * If a PRIMARY KEY is defined, other than the INTEGER PRIMARY KEY, + ** then all columns of the PRIMARY KEY must have a NOT NULL + ** constraint. + */ + if( tabOpts & TF_Strict ){ + int ii; + p->tabFlags |= TF_Strict; + for(ii=0; iinCol; ii++){ + Column *pCol = &p->aCol[ii]; + if( pCol->eCType==COLTYPE_CUSTOM ){ + if( pCol->colFlags & COLFLAG_HASTYPE ){ + sqlite3ErrorMsg(pParse, + "unknown datatype for %s.%s: \"%s\"", + p->zName, pCol->zCnName, sqlite3ColumnType(pCol, "") + ); + }else{ + sqlite3ErrorMsg(pParse, "missing datatype for %s.%s", + p->zName, pCol->zCnName); + } + return; + }else if( pCol->eCType==COLTYPE_ANY ){ + pCol->affinity = SQLITE_AFF_BLOB; + } + if( (pCol->colFlags & COLFLAG_PRIMKEY)!=0 + && p->iPKey!=ii + && pCol->notNull == OE_None + ){ + pCol->notNull = OE_Abort; + p->tabFlags |= TF_HasNotNull; + } + } + } + assert( (p->tabFlags & TF_HasPrimaryKey)==0 || p->iPKey>=0 || sqlite3PrimaryKeyIndex(p)!=0 ); assert( (p->tabFlags & TF_HasPrimaryKey)!=0 @@ -112748,7 +122124,7 @@ SQLITE_PRIVATE void sqlite3EndTable( for(ii=0; iinCol; ii++){ u32 colFlags = p->aCol[ii].colFlags; if( (colFlags & COLFLAG_GENERATED)!=0 ){ - Expr *pX = p->aCol[ii].pDflt; + Expr *pX = sqlite3ColumnExpr(p, &p->aCol[ii]); testcase( colFlags & COLFLAG_VIRTUAL ); testcase( colFlags & COLFLAG_STORED ); if( sqlite3ResolveSelfReference(pParse, p, NC_GenCol, pX, 0) ){ @@ -112758,8 +122134,8 @@ SQLITE_PRIVATE void sqlite3EndTable( ** tree that have been allocated from lookaside memory, which is ** illegal in a schema and will lead to errors or heap corruption ** when the database connection closes. */ - sqlite3ExprDelete(db, pX); - p->aCol[ii].pDflt = sqlite3ExprAlloc(db, TK_NULL, 0, 0); + sqlite3ColumnSetExpr(pParse, p, &p->aCol[ii], + sqlite3ExprAlloc(db, TK_NULL, 0, 0)); } }else{ nNG++; @@ -112799,7 +122175,7 @@ SQLITE_PRIVATE void sqlite3EndTable( /* ** Initialize zType for the new view or table. */ - if( p->pSelect==0 ){ + if( IsOrdinaryTable(p) ){ /* A regular table */ zType = "table"; zType2 = "TABLE"; @@ -112833,6 +122209,11 @@ SQLITE_PRIVATE void sqlite3EndTable( int addrInsLoop; /* Top of the loop for inserting rows */ Table *pSelTab; /* A table that describes the SELECT results */ + if( IN_SPECIAL_PARSE ){ + pParse->rc = SQLITE_ERROR; + pParse->nErr++; + return; + } regYield = ++pParse->nMem; regRec = ++pParse->nMem; regRowid = ++pParse->nMem; @@ -112885,7 +122266,7 @@ SQLITE_PRIVATE void sqlite3EndTable( ** the information we've collected. */ sqlite3NestedParse(pParse, - "UPDATE %Q." DFLT_SCHEMA_TABLE + "UPDATE %Q." LEGACY_SCHEMA_TABLE " SET type='%s', name=%Q, tbl_name=%Q, rootpage=#%d, sql=%Q" " WHERE rowid=#%d", db->aDb[iDb].zDbSName, @@ -112903,7 +122284,7 @@ SQLITE_PRIVATE void sqlite3EndTable( /* Check to see if we need to create an sqlite_sequence table for ** keeping track of autoincrement keys. */ - if( (p->tabFlags & TF_Autoincrement)!=0 ){ + if( (p->tabFlags & TF_Autoincrement)!=0 && !IN_SPECIAL_PARSE ){ Db *pDb = &db->aDb[iDb]; assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); if( pDb->pSchema->pSeqTab==0 ){ @@ -112917,7 +122298,7 @@ SQLITE_PRIVATE void sqlite3EndTable( /* Reparse everything to update our internal data structures */ sqlite3VdbeAddParseSchemaOp(v, iDb, - sqlite3MPrintf(db, "tbl_name='%q' AND type!='trigger'", p->zName)); + sqlite3MPrintf(db, "tbl_name='%q' AND type!='trigger'", p->zName),0); } /* Add the table to the in-memory representation of the database. @@ -112926,6 +122307,7 @@ SQLITE_PRIVATE void sqlite3EndTable( Table *pOld; Schema *pSchema = p->pSchema; assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); + assert( HasRowid(p) || p->iPKey<0 ); pOld = sqlite3HashInsert(&pSchema->tblHash, p->zName, p); if( pOld ){ assert( p==pOld ); /* Malloc must have failed inside HashInsert() */ @@ -112935,19 +122317,27 @@ SQLITE_PRIVATE void sqlite3EndTable( pParse->pNewTable = 0; db->mDbFlags |= DBFLAG_SchemaChange; -#ifndef SQLITE_OMIT_ALTERTABLE - if( !p->pSelect ){ - const char *zName = (const char *)pParse->sNameToken.z; - int nName; - assert( !pSelect && pCons && pEnd ); - if( pCons->z==0 ){ - pCons = pEnd; - } - nName = (int)((const char *)pCons->z - zName); - p->addColOffset = 13 + sqlite3Utf8CharLen(zName, nName); + /* If this is the magic sqlite_sequence table used by autoincrement, + ** then record a pointer to this table in the main database structure + ** so that INSERT can find the table easily. */ + assert( !pParse->nested ); +#ifndef SQLITE_OMIT_AUTOINCREMENT + if( strcmp(p->zName, "sqlite_sequence")==0 ){ + assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); + p->pSchema->pSeqTab = p; } #endif } + +#ifndef SQLITE_OMIT_ALTERTABLE + if( !pSelect && IsOrdinaryTable(p) ){ + assert( pCons && pEnd ); + if( pCons->z==0 ){ + pCons = pEnd; + } + p->u.tab.addColOffset = 13 + (int)(pCons->z - pParse->sNameToken.z); + } +#endif } #ifndef SQLITE_OMIT_VIEW @@ -112980,6 +122370,16 @@ SQLITE_PRIVATE void sqlite3CreateView( sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr); p = pParse->pNewTable; if( p==0 || pParse->nErr ) goto create_view_fail; + + /* Legacy versions of SQLite allowed the use of the magic "rowid" column + ** on a view, even though views do not have rowids. The following flag + ** setting fixes this problem. But the fix can be disabled by compiling + ** with -DSQLITE_ALLOW_ROWID_IN_VIEW in case there are legacy apps that + ** depend upon the old buggy behavior. */ +#ifndef SQLITE_ALLOW_ROWID_IN_VIEW + p->tabFlags |= TF_NoVisibleRowid; +#endif + sqlite3TwoPartName(pParse, pName1, pName2, &pName); iDb = sqlite3SchemaToIndex(db, p->pSchema); sqlite3FixInit(&sFix, pParse, iDb, "view", pName); @@ -112992,12 +122392,13 @@ SQLITE_PRIVATE void sqlite3CreateView( */ pSelect->selFlags |= SF_View; if( IN_RENAME_OBJECT ){ - p->pSelect = pSelect; + p->u.view.pSelect = pSelect; pSelect = 0; }else{ - p->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE); + p->u.view.pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE); } p->pCheck = sqlite3ExprListDup(db, pCNames, EXPRDUP_REDUCE); + p->eTabType = TABTYP_VIEW; if( db->mallocFailed ) goto create_view_fail; /* Locate the end of the CREATE VIEW statement. Make sEnd point to @@ -113035,11 +122436,10 @@ SQLITE_PRIVATE void sqlite3CreateView( ** the columns of the view in the pTable structure. Return the number ** of errors. If an error is seen leave an error message in pParse->zErrMsg. */ -SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ +static SQLITE_NOINLINE int viewGetColumnNames(Parse *pParse, Table *pTable){ Table *pSelTab; /* A fake table from which we get the result set */ Select *pSel; /* Copy of the SELECT that implements the view */ int nErr = 0; /* Number of errors encountered */ - int n; /* Temporarily holds the number of cursors assigned */ sqlite3 *db = pParse->db; /* Database connection for malloc errors */ #ifndef SQLITE_OMIT_VIRTUALTABLE int rc; @@ -113051,20 +122451,20 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ assert( pTable ); #ifndef SQLITE_OMIT_VIRTUALTABLE - db->nSchemaLock++; - rc = sqlite3VtabCallConnect(pParse, pTable); - db->nSchemaLock--; - if( rc ){ - return 1; + if( IsVirtual(pTable) ){ + db->nSchemaLock++; + rc = sqlite3VtabCallConnect(pParse, pTable); + db->nSchemaLock--; + return rc; } - if( IsVirtual(pTable) ) return 0; #endif #ifndef SQLITE_OMIT_VIEW /* A positive nCol means the columns names for this view are - ** already known. + ** already known. This routine is not called unless either the + ** table is virtual or nCol is zero. */ - if( pTable->nCol>0 ) return 0; + assert( pTable->nCol<=0 ); /* A negative nCol is a special marker meaning that we are currently ** trying to compute the column names. If we enter this routine with @@ -113094,12 +122494,13 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ ** to be permanent. So the computation is done on a copy of the SELECT ** statement that defines the view. */ - assert( pTable->pSelect ); - pSel = sqlite3SelectDup(db, pTable->pSelect, 0); + assert( IsView(pTable) ); + pSel = sqlite3SelectDup(db, pTable->u.view.pSelect, 0); if( pSel ){ u8 eParseMode = pParse->eParseMode; + int nTab = pParse->nTab; + int nSelect = pParse->nSelect; pParse->eParseMode = PARSE_MODE_NORMAL; - n = pParse->nTab; sqlite3SrcListAssignCursors(pParse, pSel->pSrc); pTable->nCol = -1; DisableLookaside; @@ -113111,7 +122512,8 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ #else pSelTab = sqlite3ResultSetOfSelect(pParse, pSel, SQLITE_AFF_NONE); #endif - pParse->nTab = n; + pParse->nTab = nTab; + pParse->nSelect = nSelect; if( pSelTab==0 ){ pTable->nCol = 0; nErr++; @@ -113124,12 +122526,11 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ */ sqlite3ColumnsFromExprList(pParse, pTable->pCheck, &pTable->nCol, &pTable->aCol); - if( db->mallocFailed==0 - && pParse->nErr==0 + if( pParse->nErr==0 && pTable->nCol==pSel->pEList->nExpr ){ - sqlite3SelectAddColumnTypeAndCollation(pParse, pTable, pSel, - SQLITE_AFF_NONE); + assert( db->mallocFailed==0 ); + sqlite3SubqueryColumnTypes(pParse, pTable, pSel, SQLITE_AFF_NONE); } }else{ /* CREATE VIEW name AS... without an argument list. Construct @@ -113138,6 +122539,7 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ assert( pTable->aCol==0 ); pTable->nCol = pSelTab->nCol; pTable->aCol = pSelTab->aCol; + pTable->tabFlags |= (pSelTab->tabFlags & COLFLAG_NOINSERT); pSelTab->nCol = 0; pSelTab->aCol = 0; assert( sqlite3SchemaMutexHeld(db, 0, pTable->pSchema) ); @@ -113153,12 +122555,15 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ pTable->pSchema->schemaFlags |= DB_UnresetViews; if( db->mallocFailed ){ sqlite3DeleteColumnNames(db, pTable); - pTable->aCol = 0; - pTable->nCol = 0; } #endif /* SQLITE_OMIT_VIEW */ return nErr; } +SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ + assert( pTable!=0 ); + if( !IsVirtual(pTable) && pTable->nCol>0 ) return 0; + return viewGetColumnNames(pParse, pTable); +} #endif /* !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) */ #ifndef SQLITE_OMIT_VIEW @@ -113171,10 +122576,8 @@ static void sqliteViewResetAll(sqlite3 *db, int idx){ if( !DbHasProperty(db, idx, DB_UnresetViews) ) return; for(i=sqliteHashFirst(&db->aDb[idx].pSchema->tblHash); i;i=sqliteHashNext(i)){ Table *pTab = sqliteHashData(i); - if( pTab->pSelect ){ + if( IsView(pTab) ){ sqlite3DeleteColumnNames(db, pTab); - pTab->aCol = 0; - pTab->nCol = 0; } } DbClearProperty(db, idx, DB_UnresetViews); @@ -113248,7 +122651,7 @@ static void destroyRootPage(Parse *pParse, int iTable, int iDb){ ** token for additional information. */ sqlite3NestedParse(pParse, - "UPDATE %Q." DFLT_SCHEMA_TABLE + "UPDATE %Q." LEGACY_SCHEMA_TABLE " SET rootpage=%d WHERE #%d AND rootpage=#%d", pParse->db->aDb[iDb].zDbSName, iTable, r1, r1); #endif @@ -113383,7 +122786,7 @@ SQLITE_PRIVATE void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, in ** database. */ sqlite3NestedParse(pParse, - "DELETE FROM %Q." DFLT_SCHEMA_TABLE + "DELETE FROM %Q." LEGACY_SCHEMA_TABLE " WHERE tbl_name=%Q and type!='trigger'", pDb->zDbSName, pTab->zName); if( !isView && !IsVirtual(pTab) ){ @@ -113411,6 +122814,7 @@ SQLITE_PRIVATE int sqlite3ReadOnlyShadowTables(sqlite3 *db){ if( (db->flags & SQLITE_Defensive)!=0 && db->pVtabCtx==0 && db->nVdbeExec==0 + && !sqlite3VtabInSync(db) ){ return 1; } @@ -113430,6 +122834,9 @@ static int tableMayNotBeDropped(sqlite3 *db, Table *pTab){ if( (pTab->tabFlags & TF_Shadow)!=0 && sqlite3ReadOnlyShadowTables(db) ){ return 1; } + if( pTab->tabFlags & TF_Eponymous ){ + return 1; + } return 0; } @@ -113455,7 +122862,10 @@ SQLITE_PRIVATE void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, if( noErr ) db->suppressErr--; if( pTab==0 ){ - if( noErr ) sqlite3CodeVerifyNamedSchema(pParse, pName->a[0].zDatabase); + if( noErr ){ + sqlite3CodeVerifyNamedSchema(pParse, pName->a[0].zDatabase); + sqlite3ForceNotReadOnly(pParse); + } goto exit_drop_table; } iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -113511,11 +122921,11 @@ SQLITE_PRIVATE void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, /* Ensure DROP TABLE is not used on a view, and DROP VIEW is not used ** on a table. */ - if( isView && pTab->pSelect==0 ){ + if( isView && !IsView(pTab) ){ sqlite3ErrorMsg(pParse, "use DROP TABLE to delete table %s", pTab->zName); goto exit_drop_table; } - if( !isView && pTab->pSelect ){ + if( !isView && IsView(pTab) ){ sqlite3ErrorMsg(pParse, "use DROP VIEW to delete view %s", pTab->zName); goto exit_drop_table; } @@ -113566,7 +122976,7 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( FKey *pFKey = 0; FKey *pNextTo; Table *p = pParse->pNewTable; - int nByte; + i64 nByte; int i; int nCol; char *z; @@ -113579,7 +122989,7 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( if( pToCol && pToCol->nExpr!=1 ){ sqlite3ErrorMsg(pParse, "foreign key on %s" " should reference only one column of table %T", - p->aCol[iCol].zName, pTo); + p->aCol[iCol].zCnName, pTo); goto fk_end; } nCol = 1; @@ -113602,7 +123012,8 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( goto fk_end; } pFKey->pFrom = p; - pFKey->pNextFrom = p->pFKey; + assert( IsOrdinaryTable(p) ); + pFKey->pNextFrom = p->u.tab.pFKey; z = (char*)&pFKey->aCol[nCol]; pFKey->zTo = z; if( IN_RENAME_OBJECT ){ @@ -113619,7 +123030,7 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( for(i=0; inCol; j++){ - if( sqlite3StrICmp(p->aCol[j].zName, pFromCol->a[i].zEName)==0 ){ + if( sqlite3StrICmp(p->aCol[j].zCnName, pFromCol->a[i].zEName)==0 ){ pFKey->aCol[i].iFrom = j; break; } @@ -113667,7 +123078,8 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( /* Link the foreign key to the table as the last step. */ - p->pFKey = pFKey; + assert( IsOrdinaryTable(p) ); + p->u.tab.pFKey = pFKey; pFKey = 0; fk_end: @@ -113688,7 +123100,9 @@ SQLITE_PRIVATE void sqlite3DeferForeignKey(Parse *pParse, int isDeferred){ #ifndef SQLITE_OMIT_FOREIGN_KEY Table *pTab; FKey *pFKey; - if( (pTab = pParse->pNewTable)==0 || (pFKey = pTab->pFKey)==0 ) return; + if( (pTab = pParse->pNewTable)==0 ) return; + if( NEVER(!IsOrdinaryTable(pTab)) ) return; + if( (pFKey = pTab->u.tab.pFKey)==0 ) return; assert( isDeferred==0 || isDeferred==1 ); /* EV: R-30323-21917 */ pFKey->isDeferred = (u8)isDeferred; #endif @@ -113738,7 +123152,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ tnum = pIndex->tnum; } pKey = sqlite3KeyInfoOfIndex(pParse, pIndex); - assert( pKey!=0 || db->mallocFailed || pParse->nErr ); + assert( pKey!=0 || pParse->nErr ); /* Open the sorter cursor if we are to use one. */ iSorter = pParse->nTab++; @@ -113848,8 +123262,8 @@ SQLITE_PRIVATE int sqlite3HasExplicitNulls(Parse *pParse, ExprList *pList){ if( pList ){ int i; for(i=0; inExpr; i++){ - if( pList->a[i].bNulls ){ - u8 sf = pList->a[i].sortFlags; + if( pList->a[i].fg.bNulls ){ + u8 sf = pList->a[i].fg.sortFlags; sqlite3ErrorMsg(pParse, "unsupported use of NULLS %s", (sf==0 || sf==3) ? "FIRST" : "LAST" ); @@ -113902,9 +123316,11 @@ SQLITE_PRIVATE void sqlite3CreateIndex( char *zExtra = 0; /* Extra space after the Index object */ Index *pPk = 0; /* PRIMARY KEY index for WITHOUT ROWID tables */ - if( db->mallocFailed || pParse->nErr>0 ){ + assert( db->pParse==pParse ); + if( pParse->nErr ){ goto exit_create_index; } + assert( db->mallocFailed==0 ); if( IN_DECLARE_VTAB && idxType!=SQLITE_IDXTYPE_PRIMARYKEY ){ goto exit_create_index; } @@ -113932,7 +123348,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( #ifndef SQLITE_OMIT_TEMPDB /* If the index name was unqualified, check if the table ** is a temp table. If so, set the database to 1. Do not do this - ** if initialising a database schema. + ** if initializing a database schema. */ if( !db->init.busy ){ pTab = sqlite3SrcListLookup(pParse, pTblName); @@ -113968,7 +123384,6 @@ SQLITE_PRIVATE void sqlite3CreateIndex( pDb = &db->aDb[iDb]; assert( pTab!=0 ); - assert( pParse->nErr==0 ); if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 && db->init.busy==0 && pTblName!=0 @@ -113980,7 +123395,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( goto exit_create_index; } #ifndef SQLITE_OMIT_VIEW - if( pTab->pSelect ){ + if( IsView(pTab) ){ sqlite3ErrorMsg(pParse, "views may not be indexed"); goto exit_create_index; } @@ -114014,7 +123429,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( } if( !IN_RENAME_OBJECT ){ if( !db->init.busy ){ - if( sqlite3FindTable(db, zName, 0)!=0 ){ + if( sqlite3FindTable(db, zName, pDb->zDbSName)!=0 ){ sqlite3ErrorMsg(pParse, "there is already a table named %s", zName); goto exit_create_index; } @@ -114025,6 +123440,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( }else{ assert( !db->init.busy ); sqlite3CodeVerifySchema(pParse, iDb); + sqlite3ForceNotReadOnly(pParse); } goto exit_create_index; } @@ -114070,7 +123486,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( Token prevCol; Column *pCol = &pTab->aCol[pTab->nCol-1]; pCol->colFlags |= COLFLAG_UNIQUE; - sqlite3TokenInit(&prevCol, pCol->zName); + sqlite3TokenInit(&prevCol, pCol->zCnName); pList = sqlite3ExprListAppend(pParse, 0, sqlite3ExprAlloc(db, TK_ID, &prevCol, 0)); if( pList==0 ) goto exit_create_index; @@ -114088,6 +123504,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( Expr *pExpr = pList->a[i].pExpr; assert( pExpr!=0 ); if( pExpr->op==TK_COLLATE ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); nExtra += (1 + sqlite3Strlen30(pExpr->u.zToken)); } } @@ -114165,6 +123582,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( j = XN_EXPR; pIndex->aiColumn[i] = XN_EXPR; pIndex->uniqNotNull = 0; + pIndex->bHasExpr = 1; }else{ j = pCExpr->iColumn; assert( j<=0x7fff ); @@ -114176,6 +123594,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( } if( pTab->aCol[j].colFlags & COLFLAG_VIRTUAL ){ pIndex->bHasVCol = 1; + pIndex->bHasExpr = 1; } } pIndex->aiColumn[i] = (i16)j; @@ -114183,6 +123602,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( zColl = 0; if( pListItem->pExpr->op==TK_COLLATE ){ int nColl; + assert( !ExprHasProperty(pListItem->pExpr, EP_IntValue) ); zColl = pListItem->pExpr->u.zToken; nColl = sqlite3Strlen30(zColl) + 1; assert( nExtra>=nColl ); @@ -114191,14 +123611,14 @@ SQLITE_PRIVATE void sqlite3CreateIndex( zExtra += nColl; nExtra -= nColl; }else if( j>=0 ){ - zColl = pTab->aCol[j].zColl; + zColl = sqlite3ColumnColl(&pTab->aCol[j]); } if( !zColl ) zColl = sqlite3StrBINARY; if( !db->init.busy && !sqlite3LocateCollSeq(pParse, zColl) ){ goto exit_create_index; } pIndex->azColl[i] = zColl; - requestedSortOrder = pListItem->sortFlags & sortOrderMask; + requestedSortOrder = pListItem->fg.sortFlags & sortOrderMask; pIndex->aSortOrder[i] = (u8)requestedSortOrder; } @@ -114389,13 +123809,13 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* Add an entry in sqlite_schema for this index */ sqlite3NestedParse(pParse, - "INSERT INTO %Q." DFLT_SCHEMA_TABLE " VALUES('index',%Q,%Q,#%d,%Q);", - db->aDb[iDb].zDbSName, - pIndex->zName, - pTab->zName, - iMem, - zStmt - ); + "INSERT INTO %Q." LEGACY_SCHEMA_TABLE " VALUES('index',%Q,%Q,#%d,%Q);", + db->aDb[iDb].zDbSName, + pIndex->zName, + pTab->zName, + iMem, + zStmt + ); sqlite3DbFree(db, zStmt); /* Fill the index with data and reparse the schema. Code an OP_Expire @@ -114405,7 +123825,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( sqlite3RefillIndex(pParse, pIndex, iMem); sqlite3ChangeCookie(pParse, iDb); sqlite3VdbeAddParseSchemaOp(v, iDb, - sqlite3MPrintf(db, "name='%q' AND type='index'", pIndex->zName)); + sqlite3MPrintf(db, "name='%q' AND type='index'", pIndex->zName), 0); sqlite3VdbeAddOp2(v, OP_Expire, 0, 1); } @@ -114426,8 +123846,12 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* Clean up before exiting */ exit_create_index: if( pIndex ) sqlite3FreeIndex(db, pIndex); - if( pTab ){ /* Ensure all REPLACE indexes are at the end of the list */ - Index **ppFrom = &pTab->pIndex; + if( pTab ){ + /* Ensure all REPLACE indexes on pTab are at the end of the pIndex list. + ** The list was already ordered when this routine was entered, so at this + ** point at most a single index (the newly added index) will be out of + ** order. So we have to reorder at most one index. */ + Index **ppFrom; Index *pThis; for(ppFrom=&pTab->pIndex; (pThis = *ppFrom)!=0; ppFrom=&pThis->pNext){ Index *pNext; @@ -114440,6 +123864,16 @@ SQLITE_PRIVATE void sqlite3CreateIndex( } break; } +#ifdef SQLITE_DEBUG + /* Verify that all REPLACE indexes really are now at the end + ** of the index list. In other words, no other index type ever + ** comes after a REPLACE index on the list. */ + for(pThis = pTab->pIndex; pThis; pThis=pThis->pNext){ + assert( pThis->onError!=OE_Replace + || pThis->pNext==0 + || pThis->pNext->onError==OE_Replace ); + } +#endif } sqlite3ExprDelete(db, pPIWhere); sqlite3ExprListDelete(db, pList); @@ -114491,7 +123925,7 @@ SQLITE_PRIVATE void sqlite3DefaultRowEst(Index *pIdx){ if( x<99 ){ pIdx->pTable->nRowLogEst = x = 99; } - if( pIdx->pPartIdxWhere!=0 ) x -= 10; assert( 10==sqlite3LogEst(2) ); + if( pIdx->pPartIdxWhere!=0 ){ x -= 10; assert( 10==sqlite3LogEst(2) ); } a[0] = x; /* Estimate that a[1] is 10, a[2] is 9, a[3] is 8, a[4] is 7, a[5] is @@ -114515,10 +123949,10 @@ SQLITE_PRIVATE void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists sqlite3 *db = pParse->db; int iDb; - assert( pParse->nErr==0 ); /* Never called with prior errors */ if( db->mallocFailed ){ goto exit_drop_index; } + assert( pParse->nErr==0 ); /* Never called with prior non-OOM errors */ assert( pName->nSrc==1 ); if( SQLITE_OK!=sqlite3ReadSchema(pParse) ){ goto exit_drop_index; @@ -114526,9 +123960,10 @@ SQLITE_PRIVATE void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists pIndex = sqlite3FindIndex(db, pName->a[0].zName, pName->a[0].zDatabase); if( pIndex==0 ){ if( !ifExists ){ - sqlite3ErrorMsg(pParse, "no such index: %S", pName, 0); + sqlite3ErrorMsg(pParse, "no such index: %S", pName->a); }else{ sqlite3CodeVerifyNamedSchema(pParse, pName->a[0].zDatabase); + sqlite3ForceNotReadOnly(pParse); } pParse->checkSchema = 1; goto exit_drop_index; @@ -114548,7 +123983,7 @@ SQLITE_PRIVATE void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists if( sqlite3AuthCheck(pParse, SQLITE_DELETE, zTab, 0, zDb) ){ goto exit_drop_index; } - if( !OMIT_TEMPDB && iDb ) code = SQLITE_DROP_TEMP_INDEX; + if( !OMIT_TEMPDB && iDb==1 ) code = SQLITE_DROP_TEMP_INDEX; if( sqlite3AuthCheck(pParse, code, pIndex->zName, pTab->zName, zDb) ){ goto exit_drop_index; } @@ -114560,7 +123995,7 @@ SQLITE_PRIVATE void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists if( v ){ sqlite3BeginWriteOperation(pParse, 1, iDb); sqlite3NestedParse(pParse, - "DELETE FROM %Q." DFLT_SCHEMA_TABLE " WHERE name=%Q AND type='index'", + "DELETE FROM %Q." LEGACY_SCHEMA_TABLE " WHERE name=%Q AND type='index'", db->aDb[iDb].zDbSName, pIndex->zName ); sqlite3ClearStatTables(pParse, iDb, "idx", pIndex->zName); @@ -114626,18 +124061,17 @@ SQLITE_PRIVATE IdList *sqlite3IdListAppend(Parse *pParse, IdList *pList, Token * if( pList==0 ){ pList = sqlite3DbMallocZero(db, sizeof(IdList) ); if( pList==0 ) return 0; + }else{ + IdList *pNew; + pNew = sqlite3DbRealloc(db, pList, + sizeof(IdList) + pList->nId*sizeof(pList->a)); + if( pNew==0 ){ + sqlite3IdListDelete(db, pList); + return 0; + } + pList = pNew; } - pList->a = sqlite3ArrayAllocate( - db, - pList->a, - sizeof(pList->a[0]), - &pList->nId, - &i - ); - if( i<0 ){ - sqlite3IdListDelete(db, pList); - return 0; - } + i = pList->nId++; pList->a[i].zName = sqlite3NameFromToken(db, pToken); if( IN_RENAME_OBJECT && pList->a[i].zName ){ sqlite3RenameTokenMap(pParse, (void*)pList->a[i].zName, pToken); @@ -114650,12 +124084,13 @@ SQLITE_PRIVATE IdList *sqlite3IdListAppend(Parse *pParse, IdList *pList, Token * */ SQLITE_PRIVATE void sqlite3IdListDelete(sqlite3 *db, IdList *pList){ int i; + assert( db!=0 ); if( pList==0 ) return; + assert( pList->eU4!=EU4_EXPR ); /* EU4_EXPR mode is not currently used */ for(i=0; inId; i++){ sqlite3DbFree(db, pList->a[i].zName); } - sqlite3DbFree(db, pList->a); - sqlite3DbFreeNN(db, pList); + sqlite3DbNNFreeNN(db, pList); } /* @@ -114664,7 +124099,7 @@ SQLITE_PRIVATE void sqlite3IdListDelete(sqlite3 *db, IdList *pList){ */ SQLITE_PRIVATE int sqlite3IdListIndex(IdList *pList, const char *zName){ int i; - if( pList==0 ) return -1; + assert( pList!=0 ); for(i=0; inId; i++){ if( sqlite3StrICmp(pList->a[i].zName, zName)==0 ) return i; } @@ -114798,7 +124233,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppend( Token *pTable, /* Table to append */ Token *pDatabase /* Database of the table */ ){ - struct SrcList_item *pItem; + SrcItem *pItem; sqlite3 *db; assert( pDatabase==0 || pTable!=0 ); /* Cannot have C without B */ assert( pParse!=0 ); @@ -114839,11 +124274,11 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppend( */ SQLITE_PRIVATE void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){ int i; - struct SrcList_item *pItem; - assert(pList || pParse->db->mallocFailed ); - if( pList ){ + SrcItem *pItem; + assert( pList || pParse->db->mallocFailed ); + if( ALWAYS(pList) ){ for(i=0, pItem=pList->a; inSrc; i++, pItem++){ - if( pItem->iCursor>=0 ) break; + if( pItem->iCursor>=0 ) continue; pItem->iCursor = pParse->nTab++; if( pItem->pSelect ){ sqlite3SrcListAssignCursors(pParse, pItem->pSelect->pSrc); @@ -114857,20 +124292,24 @@ SQLITE_PRIVATE void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){ */ SQLITE_PRIVATE void sqlite3SrcListDelete(sqlite3 *db, SrcList *pList){ int i; - struct SrcList_item *pItem; + SrcItem *pItem; + assert( db!=0 ); if( pList==0 ) return; for(pItem=pList->a, i=0; inSrc; i++, pItem++){ - sqlite3DbFree(db, pItem->zDatabase); - sqlite3DbFree(db, pItem->zName); - sqlite3DbFree(db, pItem->zAlias); + if( pItem->zDatabase ) sqlite3DbNNFreeNN(db, pItem->zDatabase); + if( pItem->zName ) sqlite3DbNNFreeNN(db, pItem->zName); + if( pItem->zAlias ) sqlite3DbNNFreeNN(db, pItem->zAlias); if( pItem->fg.isIndexedBy ) sqlite3DbFree(db, pItem->u1.zIndexedBy); if( pItem->fg.isTabFunc ) sqlite3ExprListDelete(db, pItem->u1.pFuncArg); sqlite3DeleteTable(db, pItem->pTab); - sqlite3SelectDelete(db, pItem->pSelect); - sqlite3ExprDelete(db, pItem->pOn); - sqlite3IdListDelete(db, pItem->pUsing); + if( pItem->pSelect ) sqlite3SelectDelete(db, pItem->pSelect); + if( pItem->fg.isUsing ){ + sqlite3IdListDelete(db, pItem->u3.pUsing); + }else if( pItem->u3.pOn ){ + sqlite3ExprDelete(db, pItem->u3.pOn); + } } - sqlite3DbFreeNN(db, pList); + sqlite3DbNNFreeNN(db, pList); } /* @@ -114896,14 +124335,13 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( Token *pDatabase, /* Name of the database containing pTable */ Token *pAlias, /* The right-hand side of the AS subexpression */ Select *pSubquery, /* A subquery used in place of a table name */ - Expr *pOn, /* The ON clause of a join */ - IdList *pUsing /* The USING clause of a join */ + OnOrUsing *pOnUsing /* Either the ON clause or the USING clause */ ){ - struct SrcList_item *pItem; + SrcItem *pItem; sqlite3 *db = pParse->db; - if( !p && (pOn || pUsing) ){ + if( !p && pOnUsing!=0 && (pOnUsing->pOn || pOnUsing->pUsing) ){ sqlite3ErrorMsg(pParse, "a JOIN clause is required before %s", - (pOn ? "ON" : "USING") + (pOnUsing->pOn ? "ON" : "USING") ); goto append_from_error; } @@ -114923,15 +124361,27 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( if( pAlias->n ){ pItem->zAlias = sqlite3NameFromToken(db, pAlias); } - pItem->pSelect = pSubquery; - pItem->pOn = pOn; - pItem->pUsing = pUsing; + if( pSubquery ){ + pItem->pSelect = pSubquery; + if( pSubquery->selFlags & SF_NestedFrom ){ + pItem->fg.isNestedFrom = 1; + } + } + assert( pOnUsing==0 || pOnUsing->pOn==0 || pOnUsing->pUsing==0 ); + assert( pItem->fg.isUsing==0 ); + if( pOnUsing==0 ){ + pItem->u3.pOn = 0; + }else if( pOnUsing->pUsing ){ + pItem->fg.isUsing = 1; + pItem->u3.pUsing = pOnUsing->pUsing; + }else{ + pItem->u3.pOn = pOnUsing->pOn; + } return p; - append_from_error: +append_from_error: assert( p==0 ); - sqlite3ExprDelete(db, pOn); - sqlite3IdListDelete(db, pUsing); + sqlite3ClearOnOrUsing(db, pOnUsing); sqlite3SelectDelete(db, pSubquery); return 0; } @@ -114943,7 +124393,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pIndexedBy){ assert( pIndexedBy!=0 ); if( p && pIndexedBy->n>0 ){ - struct SrcList_item *pItem; + SrcItem *pItem; assert( p->nSrc>0 ); pItem = &p->a[p->nSrc-1]; assert( pItem->fg.notIndexed==0 ); @@ -114956,6 +124406,7 @@ SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pI }else{ pItem->u1.zIndexedBy = sqlite3NameFromToken(pParse->db, pIndexedBy); pItem->fg.isIndexedBy = 1; + assert( pItem->fg.isCte==0 ); /* No collision on union u2 */ } } } @@ -114973,8 +124424,9 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, Src sqlite3SrcListDelete(pParse->db, p2); }else{ p1 = pNew; - memcpy(&p1->a[1], p2->a, p2->nSrc*sizeof(struct SrcList_item)); + memcpy(&p1->a[1], p2->a, p2->nSrc*sizeof(SrcItem)); sqlite3DbFree(pParse->db, p2); + p1->a[0].fg.jointype |= (JT_LTORJ & p1->a[1].fg.jointype); } } return p1; @@ -114986,7 +124438,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, Src */ SQLITE_PRIVATE void sqlite3SrcListFuncArgs(Parse *pParse, SrcList *p, ExprList *pList){ if( p ){ - struct SrcList_item *pItem = &p->a[p->nSrc-1]; + SrcItem *pItem = &p->a[p->nSrc-1]; assert( pItem->fg.notIndexed==0 ); assert( pItem->fg.isIndexedBy==0 ); assert( pItem->fg.isTabFunc==0 ); @@ -115011,14 +124463,34 @@ SQLITE_PRIVATE void sqlite3SrcListFuncArgs(Parse *pParse, SrcList *p, ExprList * ** The operator is "natural cross join". The A and B operands are stored ** in p->a[0] and p->a[1], respectively. The parser initially stores the ** operator with A. This routine shifts that operator over to B. +** +** Additional changes: +** +** * All tables to the left of the right-most RIGHT JOIN are tagged with +** JT_LTORJ (mnemonic: Left Table Of Right Join) so that the +** code generator can easily tell that the table is part of +** the left operand of at least one RIGHT JOIN. */ -SQLITE_PRIVATE void sqlite3SrcListShiftJoinType(SrcList *p){ - if( p ){ - int i; - for(i=p->nSrc-1; i>0; i--){ - p->a[i].fg.jointype = p->a[i-1].fg.jointype; - } +SQLITE_PRIVATE void sqlite3SrcListShiftJoinType(Parse *pParse, SrcList *p){ + (void)pParse; + if( p && p->nSrc>1 ){ + int i = p->nSrc-1; + u8 allFlags = 0; + do{ + allFlags |= p->a[i].fg.jointype = p->a[i-1].fg.jointype; + }while( (--i)>0 ); p->a[0].fg.jointype = 0; + + /* All terms to the left of a RIGHT JOIN should be tagged with the + ** JT_LTORJ flags */ + if( allFlags & JT_RIGHT ){ + for(i=p->nSrc-1; ALWAYS(i>0) && (p->a[i].fg.jointype&JT_RIGHT)==0; i--){} + i--; + assert( i>=0 ); + do{ + p->a[i].fg.jointype |= JT_LTORJ; + }while( (--i)>=0 ); + } } } @@ -115040,7 +124512,16 @@ SQLITE_PRIVATE void sqlite3BeginTransaction(Parse *pParse, int type){ if( !v ) return; if( type!=TK_DEFERRED ){ for(i=0; inDb; i++){ - sqlite3VdbeAddOp2(v, OP_Transaction, i, (type==TK_EXCLUSIVE)+1); + int eTxnType; + Btree *pBt = db->aDb[i].pBt; + if( pBt && sqlite3BtreeIsReadonly(pBt) ){ + eTxnType = 0; /* Read txn */ + }else if( type==TK_EXCLUSIVE ){ + eTxnType = 2; /* Exclusive txn */ + }else{ + eTxnType = 1; /* Write txn */ + } + sqlite3VdbeAddOp2(v, OP_Transaction, i, eTxnType); sqlite3VdbeUsesBtree(v, i); } } @@ -115129,13 +124610,11 @@ SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *pParse){ ** will occur at the end of the top-level VDBE and will be generated ** later, by sqlite3FinishCoding(). */ -SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse *pParse, int iDb){ - Parse *pToplevel = sqlite3ParseToplevel(pParse); - - assert( iDb>=0 && iDbdb->nDb ); - assert( pParse->db->aDb[iDb].pBt!=0 || iDb==1 ); - assert( iDbdb, iDb, 0) ); +static void sqlite3CodeVerifySchemaAtToplevel(Parse *pToplevel, int iDb){ + assert( iDb>=0 && iDbdb->nDb ); + assert( pToplevel->db->aDb[iDb].pBt!=0 || iDb==1 ); + assert( iDbdb, iDb, 0) ); if( DbMaskTest(pToplevel->cookieMask, iDb)==0 ){ DbMaskSet(pToplevel->cookieMask, iDb); if( !OMIT_TEMPDB && iDb==1 ){ @@ -115143,6 +124622,10 @@ SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse *pParse, int iDb){ } } } +SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse *pParse, int iDb){ + sqlite3CodeVerifySchemaAtToplevel(sqlite3ParseToplevel(pParse), iDb); +} + /* ** If argument zDb is NULL, then call sqlite3CodeVerifySchema() for each @@ -115174,7 +124657,7 @@ SQLITE_PRIVATE void sqlite3CodeVerifyNamedSchema(Parse *pParse, const char *zDb) */ SQLITE_PRIVATE void sqlite3BeginWriteOperation(Parse *pParse, int setStatement, int iDb){ Parse *pToplevel = sqlite3ParseToplevel(pParse); - sqlite3CodeVerifySchema(pParse, iDb); + sqlite3CodeVerifySchemaAtToplevel(pToplevel, iDb); DbMaskSet(pToplevel->writeMask, iDb); pToplevel->isMultiWrite |= setStatement; } @@ -115225,7 +124708,9 @@ SQLITE_PRIVATE void sqlite3HaltConstraint( i8 p4type, /* P4_STATIC or P4_TRANSIENT */ u8 p5Errmsg /* P5_ErrMsg type */ ){ - Vdbe *v = sqlite3GetVdbe(pParse); + Vdbe *v; + assert( pParse->pVdbe!=0 ); + v = sqlite3GetVdbe(pParse); assert( (errCode&0xff)==SQLITE_CONSTRAINT || pParse->nested ); if( onError==OE_Abort ){ sqlite3MayAbort(pParse); @@ -115255,7 +124740,7 @@ SQLITE_PRIVATE void sqlite3UniqueConstraint( for(j=0; jnKeyCol; j++){ char *zCol; assert( pIdx->aiColumn[j]>=0 ); - zCol = pTab->aCol[pIdx->aiColumn[j]].zName; + zCol = pTab->aCol[pIdx->aiColumn[j]].zCnName; if( j ) sqlite3_str_append(&errMsg, ", ", 2); sqlite3_str_appendall(&errMsg, pTab->zName); sqlite3_str_append(&errMsg, ".", 1); @@ -115282,7 +124767,7 @@ SQLITE_PRIVATE void sqlite3RowidConstraint( int rc; if( pTab->iPKey>=0 ){ zMsg = sqlite3MPrintf(pParse->db, "%s.%s", pTab->zName, - pTab->aCol[pTab->iPKey].zName); + pTab->aCol[pTab->iPKey].zCnName); rc = SQLITE_CONSTRAINT_PRIMARYKEY; }else{ zMsg = sqlite3MPrintf(pParse->db, "%s.rowid", pTab->zName); @@ -115470,24 +124955,76 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoOfIndex(Parse *pParse, Index *pIdx){ } #ifndef SQLITE_OMIT_CTE +/* +** Create a new CTE object +*/ +SQLITE_PRIVATE Cte *sqlite3CteNew( + Parse *pParse, /* Parsing context */ + Token *pName, /* Name of the common-table */ + ExprList *pArglist, /* Optional column name list for the table */ + Select *pQuery, /* Query used to initialize the table */ + u8 eM10d /* The MATERIALIZED flag */ +){ + Cte *pNew; + sqlite3 *db = pParse->db; + + pNew = sqlite3DbMallocZero(db, sizeof(*pNew)); + assert( pNew!=0 || db->mallocFailed ); + + if( db->mallocFailed ){ + sqlite3ExprListDelete(db, pArglist); + sqlite3SelectDelete(db, pQuery); + }else{ + pNew->pSelect = pQuery; + pNew->pCols = pArglist; + pNew->zName = sqlite3NameFromToken(pParse->db, pName); + pNew->eM10d = eM10d; + } + return pNew; +} + +/* +** Clear information from a Cte object, but do not deallocate storage +** for the object itself. +*/ +static void cteClear(sqlite3 *db, Cte *pCte){ + assert( pCte!=0 ); + sqlite3ExprListDelete(db, pCte->pCols); + sqlite3SelectDelete(db, pCte->pSelect); + sqlite3DbFree(db, pCte->zName); +} + +/* +** Free the contents of the CTE object passed as the second argument. +*/ +SQLITE_PRIVATE void sqlite3CteDelete(sqlite3 *db, Cte *pCte){ + assert( pCte!=0 ); + cteClear(db, pCte); + sqlite3DbFree(db, pCte); +} + /* ** This routine is invoked once per CTE by the parser while parsing a -** WITH clause. +** WITH clause. The CTE described by the third argument is added to +** the WITH clause of the second argument. If the second argument is +** NULL, then a new WITH argument is created. */ SQLITE_PRIVATE With *sqlite3WithAdd( Parse *pParse, /* Parsing context */ With *pWith, /* Existing WITH clause, or NULL */ - Token *pName, /* Name of the common-table */ - ExprList *pArglist, /* Optional column name list for the table */ - Select *pQuery /* Query used to initialize the table */ + Cte *pCte /* CTE to add to the WITH clause */ ){ sqlite3 *db = pParse->db; With *pNew; char *zName; + if( pCte==0 ){ + return pWith; + } + /* Check that the CTE name is unique within this WITH clause. If ** not, store an error in the Parse structure. */ - zName = sqlite3NameFromToken(pParse->db, pName); + zName = pCte->zName; if( zName && pWith ){ int i; for(i=0; inCte; i++){ @@ -115506,16 +125043,11 @@ SQLITE_PRIVATE With *sqlite3WithAdd( assert( (pNew!=0 && zName!=0) || db->mallocFailed ); if( db->mallocFailed ){ - sqlite3ExprListDelete(db, pArglist); - sqlite3SelectDelete(db, pQuery); - sqlite3DbFree(db, zName); + sqlite3CteDelete(db, pCte); pNew = pWith; }else{ - pNew->a[pNew->nCte].pSelect = pQuery; - pNew->a[pNew->nCte].pCols = pArglist; - pNew->a[pNew->nCte].zName = zName; - pNew->a[pNew->nCte].zCteErr = 0; - pNew->nCte++; + pNew->a[pNew->nCte++] = *pCte; + sqlite3DbFree(db, pCte); } return pNew; @@ -115528,10 +125060,7 @@ SQLITE_PRIVATE void sqlite3WithDelete(sqlite3 *db, With *pWith){ if( pWith ){ int i; for(i=0; inCte; i++){ - struct Cte *pCte = &pWith->a[i]; - sqlite3ExprListDelete(db, pCte->pCols); - sqlite3SelectDelete(db, pCte->pSelect); - sqlite3DbFree(db, pCte->zName); + cteClear(db, &pWith->a[i]); } sqlite3DbFree(db, pWith); } @@ -115727,6 +125256,7 @@ SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8 enc){ ** strings is BINARY. */ db->pDfltColl = sqlite3FindCollSeq(db, enc, sqlite3StrBINARY, 0); + sqlite3ExpirePreparedStatements(db, 1); } /* @@ -115879,6 +125409,7 @@ SQLITE_PRIVATE FuncDef *sqlite3FunctionSearch( ){ FuncDef *p; for(p=sqlite3BuiltinFunctions.a[h]; p; p=p->u.pHash){ + assert( p->funcFlags & SQLITE_FUNC_BUILTIN ); if( sqlite3StrICmp(p->zName, zFunc)==0 ){ return p; } @@ -115899,7 +125430,7 @@ SQLITE_PRIVATE void sqlite3InsertBuiltinFuncs( const char *zName = aDef[i].zName; int nName = sqlite3Strlen30(zName); int h = SQLITE_FUNC_HASH(zName[0], nName); - assert( zName[0]>='a' && zName[0]<='z' ); + assert( aDef[i].funcFlags & SQLITE_FUNC_BUILTIN ); pOther = sqlite3FunctionSearch(h, zName); if( pOther ){ assert( pOther!=&aDef[i] && pOther->pNext!=&aDef[i] ); @@ -116031,19 +125562,21 @@ SQLITE_PRIVATE void sqlite3SchemaClear(void *p){ Hash temp2; HashElem *pElem; Schema *pSchema = (Schema *)p; + sqlite3 xdb; + memset(&xdb, 0, sizeof(xdb)); temp1 = pSchema->tblHash; temp2 = pSchema->trigHash; sqlite3HashInit(&pSchema->trigHash); sqlite3HashClear(&pSchema->idxHash); for(pElem=sqliteHashFirst(&temp2); pElem; pElem=sqliteHashNext(pElem)){ - sqlite3DeleteTrigger(0, (Trigger*)sqliteHashData(pElem)); + sqlite3DeleteTrigger(&xdb, (Trigger*)sqliteHashData(pElem)); } sqlite3HashClear(&temp2); sqlite3HashInit(&pSchema->tblHash); for(pElem=sqliteHashFirst(&temp1); pElem; pElem=sqliteHashNext(pElem)){ Table *pTab = sqliteHashData(pElem); - sqlite3DeleteTable(0, pTab); + sqlite3DeleteTable(&xdb, pTab); } sqlite3HashClear(&temp1); sqlite3HashClear(&pSchema->fkeyHash); @@ -116110,21 +125643,32 @@ SQLITE_PRIVATE Schema *sqlite3SchemaGet(sqlite3 *db, Btree *pBt){ ** */ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ - struct SrcList_item *pItem = pSrc->a; + SrcItem *pItem = pSrc->a; Table *pTab; assert( pItem && pSrc->nSrc>=1 ); pTab = sqlite3LocateTableItem(pParse, 0, pItem); - sqlite3DeleteTable(pParse->db, pItem->pTab); + if( pItem->pTab ) sqlite3DeleteTable(pParse->db, pItem->pTab); pItem->pTab = pTab; + pItem->fg.notCte = 1; if( pTab ){ pTab->nTabRef++; - } - if( sqlite3IndexedByLookup(pParse, pItem) ){ - pTab = 0; + if( pItem->fg.isIndexedBy && sqlite3IndexedByLookup(pParse, pItem) ){ + pTab = 0; + } } return pTab; } +/* Generate byte-code that will report the number of rows modified +** by a DELETE, INSERT, or UPDATE statement. +*/ +SQLITE_PRIVATE void sqlite3CodeChangeCount(Vdbe *v, int regCounter, const char *zColName){ + sqlite3VdbeAddOp0(v, OP_FkCheck); + sqlite3VdbeAddOp2(v, OP_ResultRow, regCounter, 1); + sqlite3VdbeSetNumCols(v, 1); + sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zColName, SQLITE_STATIC); +} + /* Return true if table pTab is read-only. ** ** A table is read-only if any of the following are true: @@ -116132,18 +125676,42 @@ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ ** 1) It is a virtual table and no implementation of the xUpdate method ** has been provided ** -** 2) It is a system table (i.e. sqlite_schema), this call is not +** 2) A trigger is currently being coded and the table is a virtual table +** that is SQLITE_VTAB_DIRECTONLY or if PRAGMA trusted_schema=OFF and +** the table is not SQLITE_VTAB_INNOCUOUS. +** +** 3) It is a system table (i.e. sqlite_schema), this call is not ** part of a nested parse and writable_schema pragma has not ** been specified ** -** 3) The table is a shadow table, the database connection is in +** 4) The table is a shadow table, the database connection is in ** defensive mode, and the current sqlite3_prepare() ** is for a top-level SQL statement. */ +static int vtabIsReadOnly(Parse *pParse, Table *pTab){ + if( sqlite3GetVTable(pParse->db, pTab)->pMod->pModule->xUpdate==0 ){ + return 1; + } + + /* Within triggers: + ** * Do not allow DELETE, INSERT, or UPDATE of SQLITE_VTAB_DIRECTONLY + ** virtual tables + ** * Only allow DELETE, INSERT, or UPDATE of non-SQLITE_VTAB_INNOCUOUS + ** virtual tables if PRAGMA trusted_schema=ON. + */ + if( pParse->pToplevel!=0 + && pTab->u.vtab.p->eVtabRisk > + ((pParse->db->flags & SQLITE_TrustedSchema)!=0) + ){ + sqlite3ErrorMsg(pParse, "unsafe use of virtual table \"%s\"", + pTab->zName); + } + return 0; +} static int tabIsReadOnly(Parse *pParse, Table *pTab){ sqlite3 *db; if( IsVirtual(pTab) ){ - return sqlite3GetVTable(pParse->db, pTab)->pMod->pModule->xUpdate==0; + return vtabIsReadOnly(pParse, pTab); } if( (pTab->tabFlags & (TF_Readonly|TF_Shadow))==0 ) return 0; db = pParse->db; @@ -116155,17 +125723,21 @@ static int tabIsReadOnly(Parse *pParse, Table *pTab){ } /* -** Check to make sure the given table is writable. If it is not -** writable, generate an error message and return 1. If it is -** writable return 0; +** Check to make sure the given table is writable. +** +** If pTab is not writable -> generate an error message and return 1. +** If pTab is writable but other errors have occurred -> return 1. +** If pTab is writable and no prior errors -> return 0; */ -SQLITE_PRIVATE int sqlite3IsReadOnly(Parse *pParse, Table *pTab, int viewOk){ +SQLITE_PRIVATE int sqlite3IsReadOnly(Parse *pParse, Table *pTab, Trigger *pTrigger){ if( tabIsReadOnly(pParse, pTab) ){ sqlite3ErrorMsg(pParse, "table %s may not be modified", pTab->zName); return 1; } #ifndef SQLITE_OMIT_VIEW - if( !viewOk && pTab->pSelect ){ + if( IsView(pTab) + && (pTrigger==0 || (pTrigger->bReturning && pTrigger->pNext==0)) + ){ sqlite3ErrorMsg(pParse,"cannot modify %s because it is a view",pTab->zName); return 1; } @@ -116199,8 +125771,8 @@ SQLITE_PRIVATE void sqlite3MaterializeView( assert( pFrom->nSrc==1 ); pFrom->a[0].zName = sqlite3DbStrDup(db, pView->zName); pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName); - assert( pFrom->a[0].pOn==0 ); - assert( pFrom->a[0].pUsing==0 ); + assert( pFrom->a[0].fg.isUsing==0 ); + assert( pFrom->a[0].u3.pOn==0 ); } pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, pOrderBy, SF_IncludeHidden, pLimit); @@ -116230,7 +125802,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( sqlite3 *db = pParse->db; Expr *pLhs = NULL; /* LHS of IN(SELECT...) operator */ Expr *pInClause = NULL; /* WHERE rowid IN ( select ) */ - ExprList *pEList = NULL; /* Expression list contaning only pSelectRowid */ + ExprList *pEList = NULL; /* Expression list containing only pSelectRowid*/ SrcList *pSelectSrc = NULL; /* SELECT rowid FROM x ... (dup of pSrc) */ Select *pSelect = NULL; /* Complete SELECT tree */ Table *pTab; @@ -116268,14 +125840,20 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( ); }else{ Index *pPk = sqlite3PrimaryKeyIndex(pTab); + assert( pPk!=0 ); + assert( pPk->nKeyCol>=1 ); if( pPk->nKeyCol==1 ){ - const char *zName = pTab->aCol[pPk->aiColumn[0]].zName; + const char *zName; + assert( pPk->aiColumn[0]>=0 && pPk->aiColumn[0]nCol ); + zName = pTab->aCol[pPk->aiColumn[0]].zCnName; pLhs = sqlite3Expr(db, TK_ID, zName); pEList = sqlite3ExprListAppend(pParse, 0, sqlite3Expr(db, TK_ID, zName)); }else{ int i; for(i=0; inKeyCol; i++){ - Expr *p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zName); + Expr *p; + assert( pPk->aiColumn[i]>=0 && pPk->aiColumn[i]nCol ); + p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zCnName); pEList = sqlite3ExprListAppend(pParse, pEList, p); } pLhs = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); @@ -116288,16 +125866,23 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( /* duplicate the FROM clause as it is needed by both the DELETE/UPDATE tree ** and the SELECT subtree. */ pSrc->a[0].pTab = 0; - pSelectSrc = sqlite3SrcListDup(pParse->db, pSrc, 0); + pSelectSrc = sqlite3SrcListDup(db, pSrc, 0); pSrc->a[0].pTab = pTab; - pSrc->a[0].pIBIndex = 0; + if( pSrc->a[0].fg.isIndexedBy ){ + assert( pSrc->a[0].fg.isCte==0 ); + pSrc->a[0].u2.pIBIndex = 0; + pSrc->a[0].fg.isIndexedBy = 0; + sqlite3DbFree(db, pSrc->a[0].u1.zIndexedBy); + }else if( pSrc->a[0].fg.isCte ){ + pSrc->a[0].u2.pCteUse->nUse++; + } /* generate the SELECT expression tree. */ pSelect = sqlite3SelectNew(pParse, pEList, pSelectSrc, pWhere, 0 ,0, pOrderBy,0,pLimit ); - /* now generate the new WHERE rowid IN clause for the DELETE/UDPATE */ + /* now generate the new WHERE rowid IN clause for the DELETE/UPDATE */ pInClause = sqlite3PExpr(pParse, TK_IN, pLhs, 0); sqlite3PExprAddSelect(pParse, pInClause, pSelect); return pInClause; @@ -116357,12 +125942,13 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( memset(&sContext, 0, sizeof(sContext)); db = pParse->db; - if( pParse->nErr || db->mallocFailed ){ + assert( db->pParse==pParse ); + if( pParse->nErr ){ goto delete_from_cleanup; } + assert( db->mallocFailed==0 ); assert( pTabList->nSrc==1 ); - /* Locate the table which we want to delete. This table has to be ** put in an SrcList structure because some of the subroutines we ** will be calling are designed to work with multiple tables and expect @@ -116376,7 +125962,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( */ #ifndef SQLITE_OMIT_TRIGGER pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0); - isView = pTab->pSelect!=0; + isView = IsView(pTab); #else # define pTrigger 0 # define isView 0 @@ -116387,6 +125973,14 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( # define isView 0 #endif +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x10000 ){ + sqlite3TreeViewLine(0, "In sqlite3Delete() at %s:%d", __FILE__, __LINE__); + sqlite3TreeViewDelete(pParse->pWith, pTabList, pWhere, + pOrderBy, pLimit, pTrigger); + } +#endif + #ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT if( !isView ){ pWhere = sqlite3LimitWhere( @@ -116403,7 +125997,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( goto delete_from_cleanup; } - if( sqlite3IsReadOnly(pParse, pTab, (pTrigger?1:0)) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto delete_from_cleanup; } iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -116468,6 +126062,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( (db->flags & SQLITE_CountRows)!=0 && !pParse->nested && !pParse->pTriggerTab + && !pParse->bReturning ){ memCnt = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Integer, 0, memCnt); @@ -116501,18 +126096,22 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( } for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ assert( pIdx->pSchema==pTab->pSchema ); - sqlite3VdbeAddOp2(v, OP_Clear, pIdx->tnum, iDb); + if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){ + sqlite3VdbeAddOp3(v, OP_Clear, pIdx->tnum, iDb, memCnt ? memCnt : -1); + }else{ + sqlite3VdbeAddOp2(v, OP_Clear, pIdx->tnum, iDb); + } } }else #endif /* SQLITE_OMIT_TRUNCATE_OPTIMIZATION */ { - u16 wcf = WHERE_ONEPASS_DESIRED|WHERE_DUPLICATES_OK|WHERE_SEEK_TABLE; - if( sNC.ncFlags & NC_VarSelect ) bComplex = 1; + u16 wcf = WHERE_ONEPASS_DESIRED|WHERE_DUPLICATES_OK; + if( sNC.ncFlags & NC_Subquery ) bComplex = 1; wcf |= (bComplex ? 0 : WHERE_ONEPASS_MULTIROW); if( HasRowid(pTab) ){ /* For a rowid table, initialize the RowSet to an empty set */ pPk = 0; - nPk = 1; + assert( nPk==1 ); iRowSet = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Null, 0, iRowSet); }else{ @@ -116536,12 +126135,16 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( ** ONEPASS_SINGLE: One-pass approach - at most one row deleted. ** ONEPASS_MULTI: One-pass approach - any number of rows may be deleted. */ - pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, wcf, iTabCur+1); + pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0,0,wcf,iTabCur+1); if( pWInfo==0 ) goto delete_from_cleanup; eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass); assert( IsVirtual(pTab)==0 || eOnePass!=ONEPASS_MULTI ); - assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF ); + assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF + || OptimizationDisabled(db, SQLITE_OnePass) ); if( eOnePass!=ONEPASS_SINGLE ) sqlite3MultiWrite(pParse); + if( sqlite3WhereUsesDeferredSeek(pWInfo) ){ + sqlite3VdbeAddOp1(v, OP_FinishSeek, iTabCur); + } /* Keep track of the number of rows to be deleted */ if( memCnt ){ @@ -116576,6 +126179,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( aiCurOnePass[0]>=0 ) aToOpen[aiCurOnePass[0]-iTabCur] = 0; if( aiCurOnePass[1]>=0 ) aToOpen[aiCurOnePass[1]-iTabCur] = 0; if( addrEphOpen ) sqlite3VdbeChangeToNoop(v, addrEphOpen); + addrBypass = sqlite3VdbeMakeLabel(pParse); }else{ if( pPk ){ /* Add the PK key for this row to the temporary table */ @@ -116589,13 +126193,6 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( nKey = 1; /* OP_DeferredSeek always uses a single rowid */ sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey); } - } - - /* If this DELETE cannot use the ONEPASS strategy, this is the - ** end of the WHERE loop */ - if( eOnePass!=ONEPASS_OFF ){ - addrBypass = sqlite3VdbeMakeLabel(pParse); - }else{ sqlite3WhereEnd(pWInfo); } @@ -116625,7 +126222,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( eOnePass!=ONEPASS_OFF ){ assert( nKey==nPk ); /* OP_Found will use an unpacked key */ if( !IsVirtual(pTab) && aToOpen[iDataCur-iTabCur] ){ - assert( pPk!=0 || pTab->pSelect!=0 ); + assert( pPk!=0 || IsView(pTab) ); sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, addrBypass, iKey, nKey); VdbeCoverage(v); } @@ -116692,9 +126289,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( ** invoke the callback function. */ if( memCnt ){ - sqlite3VdbeAddOp2(v, OP_ResultRow, memCnt, 1); - sqlite3VdbeSetNumCols(v, 1); - sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows deleted", SQLITE_STATIC); + sqlite3CodeChangeCount(v, memCnt, "rows deleted"); } delete_from_cleanup: @@ -116705,7 +126300,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( sqlite3ExprListDelete(db, pOrderBy); sqlite3ExprDelete(db, pLimit); #endif - sqlite3DbFree(db, aToOpen); + if( aToOpen ) sqlite3DbNNFreeNN(db, aToOpen); return; } /* Make sure "isView" and other macros defined above are undefined. Otherwise @@ -116859,7 +126454,7 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( ** the update-hook is not invoked for rows removed by REPLACE, but the ** pre-update-hook is. */ - if( pTab->pSelect==0 ){ + if( !IsView(pTab) ){ u8 p5 = 0; sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,iIdxNoSeek); sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, (count?OPFLAG_NCHANGE:0)); @@ -116882,9 +126477,11 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( sqlite3FkActions(pParse, pTab, 0, iOld, 0, 0); /* Invoke AFTER DELETE trigger programs. */ - sqlite3CodeRowTrigger(pParse, pTrigger, - TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel - ); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, + TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel + ); + } /* Jump here if the row had already been deleted before any BEFORE ** trigger programs were invoked. Or if a trigger program throws a @@ -117016,20 +126613,18 @@ SQLITE_PRIVATE int sqlite3GenerateIndexKey( continue; } sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iDataCur, j, regBase+j); - /* If the column affinity is REAL but the number is an integer, then it - ** might be stored in the table as an integer (using a compact - ** representation) then converted to REAL by an OP_RealAffinity opcode. - ** But we are getting ready to store this value back into an index, where - ** it should be converted by to INTEGER again. So omit the OP_RealAffinity - ** opcode if it is present */ - sqlite3VdbeDeletePriorOpcode(v, OP_RealAffinity); + if( pIdx->aiColumn[j]>=0 ){ + /* If the column affinity is REAL but the number is an integer, then it + ** might be stored in the table as an integer (using a compact + ** representation) then converted to REAL by an OP_RealAffinity opcode. + ** But we are getting ready to store this value back into an index, where + ** it should be converted by to INTEGER again. So omit the + ** OP_RealAffinity opcode if it is present */ + sqlite3VdbeDeletePriorOpcode(v, OP_RealAffinity); + } } if( regOut ){ sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regOut); - if( pIdx->pTable->pSelect ){ - const char *zAff = sqlite3IndexAffinityStr(pParse->db, pIdx); - sqlite3VdbeChangeP4(v, -1, zAff, P4_TRANSIENT); - } } sqlite3ReleaseTempRange(pParse, regBase, nCol); return regBase; @@ -117147,6 +126742,18 @@ static void typeofFunc( sqlite3_result_text(context, azType[i], -1, SQLITE_STATIC); } +/* subtype(X) +** +** Return the subtype of X +*/ +static void subtypeFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + UNUSED_PARAMETER(argc); + sqlite3_result_int(context, sqlite3_value_subtype(argv[0])); +} /* ** Implementation of the length() function @@ -117187,6 +126794,42 @@ static void lengthFunc( } } +/* +** Implementation of the octet_length() function +*/ +static void bytelengthFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( argc==1 ); + UNUSED_PARAMETER(argc); + switch( sqlite3_value_type(argv[0]) ){ + case SQLITE_BLOB: { + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + break; + } + case SQLITE_INTEGER: + case SQLITE_FLOAT: { + i64 m = sqlite3_context_db_handle(context)->enc<=SQLITE_UTF8 ? 1 : 2; + sqlite3_result_int64(context, sqlite3_value_bytes(argv[0])*m); + break; + } + case SQLITE_TEXT: { + if( sqlite3_value_encoding(argv[0])<=SQLITE_UTF8 ){ + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + }else{ + sqlite3_result_int(context, sqlite3_value_bytes16(argv[0])); + } + break; + } + default: { + sqlite3_result_null(context); + break; + } + } +} + /* ** Implementation of the abs() function. ** @@ -117308,7 +126951,7 @@ static void instrFunc( } /* -** Implementation of the printf() function. +** Implementation of the printf() (a.k.a. format()) SQL function. */ static void printfFunc( sqlite3_context *context, @@ -117463,7 +127106,7 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ }else if( n==0 ){ r = (double)((sqlite_int64)(r+(r<0?-0.5:+0.5))); }else{ - zBuf = sqlite3_mprintf("%.*f",n,r); + zBuf = sqlite3_mprintf("%!.*f",n,r); if( zBuf==0 ){ sqlite3_result_error_nomem(context); return; @@ -117621,9 +127264,9 @@ static void last_insert_rowid( /* ** Implementation of the changes() SQL function. ** -** IMP: R-62073-11209 The changes() SQL function is a wrapper -** around the sqlite3_changes() C/C++ function and hence follows the same -** rules for counting changes. +** IMP: R-32760-32347 The changes() SQL function is a wrapper +** around the sqlite3_changes64() C/C++ function and hence follows the +** same rules for counting changes. */ static void changes( sqlite3_context *context, @@ -117632,12 +127275,12 @@ static void changes( ){ sqlite3 *db = sqlite3_context_db_handle(context); UNUSED_PARAMETER2(NotUsed, NotUsed2); - sqlite3_result_int(context, sqlite3_changes(db)); + sqlite3_result_int64(context, sqlite3_changes64(db)); } /* ** Implementation of the total_changes() SQL function. The return value is -** the same as the sqlite3_total_changes() API function. +** the same as the sqlite3_total_changes64() API function. */ static void total_changes( sqlite3_context *context, @@ -117646,9 +127289,9 @@ static void total_changes( ){ sqlite3 *db = sqlite3_context_db_handle(context); UNUSED_PARAMETER2(NotUsed, NotUsed2); - /* IMP: R-52756-41993 This function is a wrapper around the - ** sqlite3_total_changes() C/C++ interface. */ - sqlite3_result_int(context, sqlite3_total_changes(db)); + /* IMP: R-11217-42568 This function is a wrapper around the + ** sqlite3_total_changes64() C/C++ interface. */ + sqlite3_result_int64(context, sqlite3_total_changes64(db)); } /* @@ -117663,7 +127306,7 @@ struct compareInfo { /* ** For LIKE and GLOB matching on EBCDIC machines, assume that every -** character is exactly one byte in size. Also, provde the Utf8Read() +** character is exactly one byte in size. Also, provide the Utf8Read() ** macro for fast reading of the next character in the common case where ** the next character is ASCII. */ @@ -117744,7 +127387,8 @@ static int patternCompare( /* Skip over multiple "*" characters in the pattern. If there ** are also "?" characters, skip those as well, but consume a ** single character of the input string for each "?" skipped */ - while( (c=Utf8Read(zPattern)) == matchAll || c == matchOne ){ + while( (c=Utf8Read(zPattern)) == matchAll + || (c == matchOne && matchOne!=0) ){ if( c==matchOne && sqlite3Utf8Read(&zString)==0 ){ return SQLITE_NOWILDCARDMATCH; } @@ -117777,7 +127421,7 @@ static int patternCompare( ** c but in the other case and search the input string for either ** c or cx. */ - if( c<=0x80 ){ + if( c<0x80 ){ char zStop[3]; int bMatch; if( noCase ){ @@ -117860,7 +127504,13 @@ static int patternCompare( ** non-zero if there is no match. */ SQLITE_API int sqlite3_strglob(const char *zGlobPattern, const char *zString){ - return patternCompare((u8*)zGlobPattern, (u8*)zString, &globInfo, '['); + if( zString==0 ){ + return zGlobPattern!=0; + }else if( zGlobPattern==0 ){ + return 1; + }else { + return patternCompare((u8*)zGlobPattern, (u8*)zString, &globInfo, '['); + } } /* @@ -117868,7 +127518,13 @@ SQLITE_API int sqlite3_strglob(const char *zGlobPattern, const char *zString){ ** a miss - like strcmp(). */ SQLITE_API int sqlite3_strlike(const char *zPattern, const char *zStr, unsigned int esc){ - return patternCompare((u8*)zPattern, (u8*)zStr, &likeInfoNorm, esc); + if( zStr==0 ){ + return zPattern!=0; + }else if( zPattern==0 ){ + return 1; + }else{ + return patternCompare((u8*)zPattern, (u8*)zStr, &likeInfoNorm, esc); + } } /* @@ -117883,7 +127539,7 @@ SQLITE_API int sqlite3_like_count = 0; /* ** Implementation of the like() SQL function. This function implements -** the build-in LIKE operator. The first argument to the function is the +** the built-in LIKE operator. The first argument to the function is the ** pattern and the second argument is the string. So, the SQL statements: ** ** A LIKE B @@ -118076,39 +127732,42 @@ static const char hexdigits[] = { }; /* -** Implementation of the QUOTE() function. This function takes a single -** argument. If the argument is numeric, the return value is the same as -** the argument. If the argument is NULL, the return value is the string -** "NULL". Otherwise, the argument is enclosed in single quotes with -** single-quote escapes. +** Append to pStr text that is the SQL literal representation of the +** value contained in pValue. */ -static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ - assert( argc==1 ); - UNUSED_PARAMETER(argc); - switch( sqlite3_value_type(argv[0]) ){ +SQLITE_PRIVATE void sqlite3QuoteValue(StrAccum *pStr, sqlite3_value *pValue){ + /* As currently implemented, the string must be initially empty. + ** we might relax this requirement in the future, but that will + ** require enhancements to the implementation. */ + assert( pStr!=0 && pStr->nChar==0 ); + + switch( sqlite3_value_type(pValue) ){ case SQLITE_FLOAT: { double r1, r2; - char zBuf[50]; - r1 = sqlite3_value_double(argv[0]); - sqlite3_snprintf(sizeof(zBuf), zBuf, "%!.15g", r1); - sqlite3AtoF(zBuf, &r2, 20, SQLITE_UTF8); - if( r1!=r2 ){ - sqlite3_snprintf(sizeof(zBuf), zBuf, "%!.20e", r1); + const char *zVal; + r1 = sqlite3_value_double(pValue); + sqlite3_str_appendf(pStr, "%!.15g", r1); + zVal = sqlite3_str_value(pStr); + if( zVal ){ + sqlite3AtoF(zVal, &r2, pStr->nChar, SQLITE_UTF8); + if( r1!=r2 ){ + sqlite3_str_reset(pStr); + sqlite3_str_appendf(pStr, "%!.20e", r1); + } } - sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); break; } case SQLITE_INTEGER: { - sqlite3_result_value(context, argv[0]); + sqlite3_str_appendf(pStr, "%lld", sqlite3_value_int64(pValue)); break; } case SQLITE_BLOB: { - char *zText = 0; - char const *zBlob = sqlite3_value_blob(argv[0]); - int nBlob = sqlite3_value_bytes(argv[0]); - assert( zBlob==sqlite3_value_blob(argv[0]) ); /* No encoding change */ - zText = (char *)contextMalloc(context, (2*(i64)nBlob)+4); - if( zText ){ + char const *zBlob = sqlite3_value_blob(pValue); + i64 nBlob = sqlite3_value_bytes(pValue); + assert( zBlob==sqlite3_value_blob(pValue) ); /* No encoding change */ + sqlite3StrAccumEnlarge(pStr, nBlob*2 + 4); + if( pStr->accError==0 ){ + char *zText = pStr->zText; int i; for(i=0; i>4)&0x0F]; @@ -118118,42 +127777,48 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ zText[(nBlob*2)+3] = '\0'; zText[0] = 'X'; zText[1] = '\''; - sqlite3_result_text(context, zText, -1, SQLITE_TRANSIENT); - sqlite3_free(zText); + pStr->nChar = nBlob*2 + 3; } break; } case SQLITE_TEXT: { - int i,j; - u64 n; - const unsigned char *zArg = sqlite3_value_text(argv[0]); - char *z; - - if( zArg==0 ) return; - for(i=0, n=0; zArg[i]; i++){ if( zArg[i]=='\'' ) n++; } - z = contextMalloc(context, ((i64)i)+((i64)n)+3); - if( z ){ - z[0] = '\''; - for(i=0, j=1; zArg[i]; i++){ - z[j++] = zArg[i]; - if( zArg[i]=='\'' ){ - z[j++] = '\''; - } - } - z[j++] = '\''; - z[j] = 0; - sqlite3_result_text(context, z, j, sqlite3_free); - } + const unsigned char *zArg = sqlite3_value_text(pValue); + sqlite3_str_appendf(pStr, "%Q", zArg); break; } default: { - assert( sqlite3_value_type(argv[0])==SQLITE_NULL ); - sqlite3_result_text(context, "NULL", 4, SQLITE_STATIC); + assert( sqlite3_value_type(pValue)==SQLITE_NULL ); + sqlite3_str_append(pStr, "NULL", 4); break; } } } +/* +** Implementation of the QUOTE() function. +** +** The quote(X) function returns the text of an SQL literal which is the +** value of its argument suitable for inclusion into an SQL statement. +** Strings are surrounded by single-quotes with escapes on interior quotes +** as needed. BLOBs are encoded as hexadecimal literals. Strings with +** embedded NUL characters cannot be represented as string literals in SQL +** and hence the returned string literal is truncated prior to the first NUL. +*/ +static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ + sqlite3_str str; + sqlite3 *db = sqlite3_context_db_handle(context); + assert( argc==1 ); + UNUSED_PARAMETER(argc); + sqlite3StrAccumInit(&str, db, 0, 0, db->aLimit[SQLITE_LIMIT_LENGTH]); + sqlite3QuoteValue(&str,argv[0]); + sqlite3_result_text(context, sqlite3StrAccumFinish(&str), str.nChar, + SQLITE_DYNAMIC); + if( str.accError!=SQLITE_OK ){ + sqlite3_result_null(context); + sqlite3_result_error_code(context, str.accError); + } +} + /* ** The unicode() function. Return the integer unicode code-point value ** for the first character of the input string. @@ -118207,6 +127872,7 @@ static void charFunc( *zOut++ = 0x80 + (u8)(c & 0x3F); } \ } + *zOut = 0; sqlite3_result_text64(context, (char*)z, zOut-z, sqlite3_free, SQLITE_UTF8); } @@ -118239,6 +127905,96 @@ static void hexFunc( } } +/* +** Buffer zStr contains nStr bytes of utf-8 encoded text. Return 1 if zStr +** contains character ch, or 0 if it does not. +*/ +static int strContainsChar(const u8 *zStr, int nStr, u32 ch){ + const u8 *zEnd = &zStr[nStr]; + const u8 *z = zStr; + while( z0 ){ - azChar = contextMalloc(context, ((i64)nChar)*(sizeof(char*)+1)); + azChar = contextMalloc(context, + ((i64)nChar)*(sizeof(char*)+sizeof(unsigned))); if( azChar==0 ){ return; } - aLen = (unsigned char*)&azChar[nChar]; + aLen = (unsigned*)&azChar[nChar]; for(z=zCharSet, nChar=0; *z; nChar++){ azChar[nChar] = (unsigned char *)z; SQLITE_SKIP_UTF8(z); - aLen[nChar] = (u8)(z - azChar[nChar]); + aLen[nChar] = (unsigned)(z - azChar[nChar]); } } } @@ -118410,7 +128167,7 @@ static void trimFunc( flags = SQLITE_PTR_TO_INT(sqlite3_user_data(context)); if( flags & 1 ){ while( nIn>0 ){ - int len = 0; + unsigned int len = 0; for(i=0; i0 ){ - int len = 0; + unsigned int len = 0; for(i=0; irSum; + volatile double t = s + r; + if( fabs(s) > fabs(r) ){ + pSum->rErr += (s - t) + r; + }else{ + pSum->rErr += (r - t) + s; + } + pSum->rSum = t; +} + +/* +** Add a (possibly large) integer to the running sum. +*/ +static void kahanBabuskaNeumaierStepInt64(volatile SumCtx *pSum, i64 iVal){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iBig, iSm; + iSm = iVal % 16384; + iBig = iVal - iSm; + kahanBabuskaNeumaierStep(pSum, iBig); + kahanBabuskaNeumaierStep(pSum, iSm); + }else{ + kahanBabuskaNeumaierStep(pSum, (double)iVal); + } +} + +/* +** Initialize the Kahan-Babaska-Neumaier sum from a 64-bit integer +*/ +static void kahanBabuskaNeumaierInit( + volatile SumCtx *p, + i64 iVal +){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iSm = iVal % 16384; + p->rSum = (double)(iVal - iSm); + p->rErr = (double)iSm; + }else{ + p->rSum = (double)iVal; + p->rErr = 0.0; + } +} + /* ** Routines used to compute the sum, average, and total. ** @@ -118582,15 +128397,29 @@ static void sumStep(sqlite3_context *context, int argc, sqlite3_value **argv){ type = sqlite3_value_numeric_type(argv[0]); if( p && type!=SQLITE_NULL ){ p->cnt++; - if( type==SQLITE_INTEGER ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum += v; - if( (p->approx|p->overflow)==0 && sqlite3AddInt64(&p->iSum, v) ){ - p->approx = p->overflow = 1; + if( p->approx==0 ){ + if( type!=SQLITE_INTEGER ){ + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + }else{ + i64 x = p->iSum; + if( sqlite3AddInt64(&x, sqlite3_value_int64(argv[0]))==0 ){ + p->iSum = x; + }else{ + p->ovrfl = 1; + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + } } }else{ - p->rSum += sqlite3_value_double(argv[0]); - p->approx = 1; + if( type==SQLITE_INTEGER ){ + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + }else{ + p->ovrfl = 0; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + } } } } @@ -118607,13 +128436,18 @@ static void sumInverse(sqlite3_context *context, int argc, sqlite3_value**argv){ if( ALWAYS(p) && type!=SQLITE_NULL ){ assert( p->cnt>0 ); p->cnt--; - assert( type==SQLITE_INTEGER || p->approx ); - if( type==SQLITE_INTEGER && p->approx==0 ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum -= v; - p->iSum -= v; + if( !p->approx ){ + p->iSum -= sqlite3_value_int64(argv[0]); + }else if( type==SQLITE_INTEGER ){ + i64 iVal = sqlite3_value_int64(argv[0]); + if( iVal!=SMALLEST_INT64 ){ + kahanBabuskaNeumaierStepInt64(p, -iVal); + }else{ + kahanBabuskaNeumaierStepInt64(p, LARGEST_INT64); + kahanBabuskaNeumaierStepInt64(p, 1); + } }else{ - p->rSum -= sqlite3_value_double(argv[0]); + kahanBabuskaNeumaierStep(p, -sqlite3_value_double(argv[0])); } } } @@ -118624,10 +128458,14 @@ static void sumFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - if( p->overflow ){ - sqlite3_result_error(context,"integer overflow",-1); - }else if( p->approx ){ - sqlite3_result_double(context, p->rSum); + if( p->approx ){ + if( p->ovrfl ){ + sqlite3_result_error(context,"integer overflow",-1); + }else if( !sqlite3IsNaN(p->rErr) ){ + sqlite3_result_double(context, p->rSum+p->rErr); + }else{ + sqlite3_result_double(context, p->rSum); + } }else{ sqlite3_result_int64(context, p->iSum); } @@ -118637,14 +128475,29 @@ static void avgFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - sqlite3_result_double(context, p->rSum/(double)p->cnt); + double r; + if( p->approx ){ + r = p->rSum; + if( !sqlite3IsNaN(p->rErr) ) r += p->rErr; + }else{ + r = (double)(p->iSum); + } + sqlite3_result_double(context, r/(double)p->cnt); } } static void totalFinalize(sqlite3_context *context){ SumCtx *p; + double r = 0.0; p = sqlite3_aggregate_context(context, 0); - /* (double)0 In case of SQLITE_OMIT_FLOATING_POINT... */ - sqlite3_result_double(context, p ? p->rSum : (double)0); + if( p ){ + if( p->approx ){ + r = p->rSum; + if( !sqlite3IsNaN(p->rErr) ) r += p->rErr; + }else{ + r = (double)(p->iSum); + } + } + sqlite3_result_double(context, r); } /* @@ -118763,97 +128616,167 @@ static void minMaxFinalize(sqlite3_context *context){ /* ** group_concat(EXPR, ?SEPARATOR?) +** +** The SEPARATOR goes before the EXPR string. This is tragic. The +** groupConcatInverse() implementation would have been easier if the +** SEPARATOR were appended after EXPR. And the order is undocumented, +** so we could change it, in theory. But the old behavior has been +** around for so long that we dare not, for fear of breaking something. */ +typedef struct { + StrAccum str; /* The accumulated concatenation */ +#ifndef SQLITE_OMIT_WINDOWFUNC + int nAccum; /* Number of strings presently concatenated */ + int nFirstSepLength; /* Used to detect separator length change */ + /* If pnSepLengths!=0, refs an array of inter-string separator lengths, + ** stored as actually incorporated into presently accumulated result. + ** (Hence, its slots in use number nAccum-1 between method calls.) + ** If pnSepLengths==0, nFirstSepLength is the length used throughout. + */ + int *pnSepLengths; +#endif +} GroupConcatCtx; + static void groupConcatStep( sqlite3_context *context, int argc, sqlite3_value **argv ){ const char *zVal; - StrAccum *pAccum; + GroupConcatCtx *pGCC; const char *zSep; int nVal, nSep; assert( argc==1 || argc==2 ); if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; - pAccum = (StrAccum*)sqlite3_aggregate_context(context, sizeof(*pAccum)); - - if( pAccum ){ + pGCC = (GroupConcatCtx*)sqlite3_aggregate_context(context, sizeof(*pGCC)); + if( pGCC ){ sqlite3 *db = sqlite3_context_db_handle(context); - int firstTerm = pAccum->mxAlloc==0; - pAccum->mxAlloc = db->aLimit[SQLITE_LIMIT_LENGTH]; - if( !firstTerm ){ - if( argc==2 ){ - zSep = (char*)sqlite3_value_text(argv[1]); - nSep = sqlite3_value_bytes(argv[1]); - }else{ - zSep = ","; - nSep = 1; + int firstTerm = pGCC->str.mxAlloc==0; + pGCC->str.mxAlloc = db->aLimit[SQLITE_LIMIT_LENGTH]; + if( argc==1 ){ + if( !firstTerm ){ + sqlite3_str_appendchar(&pGCC->str, 1, ','); } - if( zSep ) sqlite3_str_append(pAccum, zSep, nSep); +#ifndef SQLITE_OMIT_WINDOWFUNC + else{ + pGCC->nFirstSepLength = 1; + } +#endif + }else if( !firstTerm ){ + zSep = (char*)sqlite3_value_text(argv[1]); + nSep = sqlite3_value_bytes(argv[1]); + if( zSep ){ + sqlite3_str_append(&pGCC->str, zSep, nSep); + } +#ifndef SQLITE_OMIT_WINDOWFUNC + else{ + nSep = 0; + } + if( nSep != pGCC->nFirstSepLength || pGCC->pnSepLengths != 0 ){ + int *pnsl = pGCC->pnSepLengths; + if( pnsl == 0 ){ + /* First separator length variation seen, start tracking them. */ + pnsl = (int*)sqlite3_malloc64((pGCC->nAccum+1) * sizeof(int)); + if( pnsl!=0 ){ + int i = 0, nA = pGCC->nAccum-1; + while( inFirstSepLength; + } + }else{ + pnsl = (int*)sqlite3_realloc64(pnsl, pGCC->nAccum * sizeof(int)); + } + if( pnsl!=0 ){ + if( ALWAYS(pGCC->nAccum>0) ){ + pnsl[pGCC->nAccum-1] = nSep; + } + pGCC->pnSepLengths = pnsl; + }else{ + sqlite3StrAccumSetError(&pGCC->str, SQLITE_NOMEM); + } + } +#endif + } +#ifndef SQLITE_OMIT_WINDOWFUNC + else{ + pGCC->nFirstSepLength = sqlite3_value_bytes(argv[1]); } + pGCC->nAccum += 1; +#endif zVal = (char*)sqlite3_value_text(argv[0]); nVal = sqlite3_value_bytes(argv[0]); - if( zVal ) sqlite3_str_append(pAccum, zVal, nVal); + if( zVal ) sqlite3_str_append(&pGCC->str, zVal, nVal); } } + #ifndef SQLITE_OMIT_WINDOWFUNC static void groupConcatInverse( sqlite3_context *context, int argc, sqlite3_value **argv ){ - int n; - StrAccum *pAccum; + GroupConcatCtx *pGCC; assert( argc==1 || argc==2 ); + (void)argc; /* Suppress unused parameter warning */ if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; - pAccum = (StrAccum*)sqlite3_aggregate_context(context, sizeof(*pAccum)); - /* pAccum is always non-NULL since groupConcatStep() will have always - ** run frist to initialize it */ - if( ALWAYS(pAccum) ){ - n = sqlite3_value_bytes(argv[0]); - if( argc==2 ){ - n += sqlite3_value_bytes(argv[1]); + pGCC = (GroupConcatCtx*)sqlite3_aggregate_context(context, sizeof(*pGCC)); + /* pGCC is always non-NULL since groupConcatStep() will have always + ** run first to initialize it */ + if( ALWAYS(pGCC) ){ + int nVS; + /* Must call sqlite3_value_text() to convert the argument into text prior + ** to invoking sqlite3_value_bytes(), in case the text encoding is UTF16 */ + (void)sqlite3_value_text(argv[0]); + nVS = sqlite3_value_bytes(argv[0]); + pGCC->nAccum -= 1; + if( pGCC->pnSepLengths!=0 ){ + assert(pGCC->nAccum >= 0); + if( pGCC->nAccum>0 ){ + nVS += *pGCC->pnSepLengths; + memmove(pGCC->pnSepLengths, pGCC->pnSepLengths+1, + (pGCC->nAccum-1)*sizeof(int)); + } }else{ - n++; + /* If removing single accumulated string, harmlessly over-do. */ + nVS += pGCC->nFirstSepLength; } - if( n>=(int)pAccum->nChar ){ - pAccum->nChar = 0; + if( nVS>=(int)pGCC->str.nChar ){ + pGCC->str.nChar = 0; }else{ - pAccum->nChar -= n; - memmove(pAccum->zText, &pAccum->zText[n], pAccum->nChar); + pGCC->str.nChar -= nVS; + memmove(pGCC->str.zText, &pGCC->str.zText[nVS], pGCC->str.nChar); + } + if( pGCC->str.nChar==0 ){ + pGCC->str.mxAlloc = 0; + sqlite3_free(pGCC->pnSepLengths); + pGCC->pnSepLengths = 0; } - if( pAccum->nChar==0 ) pAccum->mxAlloc = 0; } } #else # define groupConcatInverse 0 #endif /* SQLITE_OMIT_WINDOWFUNC */ static void groupConcatFinalize(sqlite3_context *context){ - StrAccum *pAccum; - pAccum = sqlite3_aggregate_context(context, 0); - if( pAccum ){ - if( pAccum->accError==SQLITE_TOOBIG ){ - sqlite3_result_error_toobig(context); - }else if( pAccum->accError==SQLITE_NOMEM ){ - sqlite3_result_error_nomem(context); - }else{ - sqlite3_result_text(context, sqlite3StrAccumFinish(pAccum), -1, - sqlite3_free); - } + GroupConcatCtx *pGCC + = (GroupConcatCtx*)sqlite3_aggregate_context(context, 0); + if( pGCC ){ + sqlite3ResultStrAccum(context, &pGCC->str); +#ifndef SQLITE_OMIT_WINDOWFUNC + sqlite3_free(pGCC->pnSepLengths); +#endif } } #ifndef SQLITE_OMIT_WINDOWFUNC static void groupConcatValue(sqlite3_context *context){ - sqlite3_str *pAccum; - pAccum = (sqlite3_str*)sqlite3_aggregate_context(context, 0); - if( pAccum ){ + GroupConcatCtx *pGCC + = (GroupConcatCtx*)sqlite3_aggregate_context(context, 0); + if( pGCC ){ + StrAccum *pAccum = &pGCC->str; if( pAccum->accError==SQLITE_TOOBIG ){ sqlite3_result_error_toobig(context); }else if( pAccum->accError==SQLITE_NOMEM ){ sqlite3_result_error_nomem(context); }else{ const char *zText = sqlite3_str_value(pAccum); - sqlite3_result_text(context, zText, -1, SQLITE_TRANSIENT); + sqlite3_result_text(context, zText, pAccum->nChar, SQLITE_TRANSIENT); } } } @@ -118880,8 +128803,10 @@ SQLITE_PRIVATE void sqlite3RegisterPerConnectionBuiltinFunctions(sqlite3 *db){ ** sensitive. */ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive){ + FuncDef *pDef; struct compareInfo *pInfo; int flags; + int nArg; if( caseSensitive ){ pInfo = (struct compareInfo*)&likeInfoAlt; flags = SQLITE_FUNC_LIKE | SQLITE_FUNC_CASE; @@ -118889,10 +128814,13 @@ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive) pInfo = (struct compareInfo*)&likeInfoNorm; flags = SQLITE_FUNC_LIKE; } - sqlite3CreateFunc(db, "like", 2, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3CreateFunc(db, "like", 3, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3FindFunction(db, "like", 2, SQLITE_UTF8, 0)->funcFlags |= flags; - sqlite3FindFunction(db, "like", 3, SQLITE_UTF8, 0)->funcFlags |= flags; + for(nArg=2; nArg<=3; nArg++){ + sqlite3CreateFunc(db, "like", nArg, SQLITE_UTF8, pInfo, likeFunc, + 0, 0, 0, 0, 0); + pDef = sqlite3FindFunction(db, "like", nArg, SQLITE_UTF8, 0); + pDef->funcFlags |= flags; + pDef->funcFlags &= ~SQLITE_FUNC_UNSAFE; + } } /* @@ -118915,11 +128843,14 @@ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive) SQLITE_PRIVATE int sqlite3IsLikeFunction(sqlite3 *db, Expr *pExpr, int *pIsNocase, char *aWc){ FuncDef *pDef; int nExpr; - if( pExpr->op!=TK_FUNCTION || !pExpr->x.pList ){ + assert( pExpr!=0 ); + assert( pExpr->op==TK_FUNCTION ); + assert( ExprUseXList(pExpr) ); + if( !pExpr->x.pList ){ return 0; } - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); nExpr = pExpr->x.pList->nExpr; + assert( !ExprHasProperty(pExpr, EP_IntValue) ); pDef = sqlite3FindFunction(db, pExpr->u.zToken, nExpr, SQLITE_UTF8, 0); #ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION if( pDef==0 ) return 0; @@ -118943,6 +128874,7 @@ SQLITE_PRIVATE int sqlite3IsLikeFunction(sqlite3 *db, Expr *pExpr, int *pIsNocas Expr *pEscape = pExpr->x.pList->a[2].pExpr; char *zEscape; if( pEscape->op!=TK_STRING ) return 0; + assert( !ExprHasProperty(pEscape, EP_IntValue) ); zEscape = pEscape->u.zToken; if( zEscape[0]==0 || zEscape[1]!=0 ) return 0; if( zEscape[0]==aWc[0] ) return 0; @@ -118954,6 +128886,243 @@ SQLITE_PRIVATE int sqlite3IsLikeFunction(sqlite3 *db, Expr *pExpr, int *pIsNocas return 1; } +/* Mathematical Constants */ +#ifndef M_PI +# define M_PI 3.141592653589793238462643383279502884 +#endif +#ifndef M_LN10 +# define M_LN10 2.302585092994045684017991454684364208 +#endif +#ifndef M_LN2 +# define M_LN2 0.693147180559945309417232121458176568 +#endif + + +/* Extra math functions that require linking with -lm +*/ +#ifdef SQLITE_ENABLE_MATH_FUNCTIONS +/* +** Implementation SQL functions: +** +** ceil(X) +** ceiling(X) +** floor(X) +** +** The sqlite3_user_data() pointer is a pointer to the libm implementation +** of the underlying C function. +*/ +static void ceilingFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( argc==1 ); + switch( sqlite3_value_numeric_type(argv[0]) ){ + case SQLITE_INTEGER: { + sqlite3_result_int64(context, sqlite3_value_int64(argv[0])); + break; + } + case SQLITE_FLOAT: { + double (*x)(double) = (double(*)(double))sqlite3_user_data(context); + sqlite3_result_double(context, x(sqlite3_value_double(argv[0]))); + break; + } + default: { + break; + } + } +} + +/* +** On some systems, ceil() and floor() are intrinsic function. You are +** unable to take a pointer to these functions. Hence, we here wrap them +** in our own actual functions. +*/ +static double xCeil(double x){ return ceil(x); } +static double xFloor(double x){ return floor(x); } + +/* +** Some systems do not have log2() and log10() in their standard math +** libraries. +*/ +#if defined(HAVE_LOG10) && HAVE_LOG10==0 +# define log10(X) (0.4342944819032517867*log(X)) +#endif +#if defined(HAVE_LOG2) && HAVE_LOG2==0 +# define log2(X) (1.442695040888963456*log(X)) +#endif + + +/* +** Implementation of SQL functions: +** +** ln(X) - natural logarithm +** log(X) - log X base 10 +** log10(X) - log X base 10 +** log(B,X) - log X base B +*/ +static void logFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + double x, b, ans; + assert( argc==1 || argc==2 ); + switch( sqlite3_value_numeric_type(argv[0]) ){ + case SQLITE_INTEGER: + case SQLITE_FLOAT: + x = sqlite3_value_double(argv[0]); + if( x<=0.0 ) return; + break; + default: + return; + } + if( argc==2 ){ + switch( sqlite3_value_numeric_type(argv[0]) ){ + case SQLITE_INTEGER: + case SQLITE_FLOAT: + b = log(x); + if( b<=0.0 ) return; + x = sqlite3_value_double(argv[1]); + if( x<=0.0 ) return; + break; + default: + return; + } + ans = log(x)/b; + }else{ + switch( SQLITE_PTR_TO_INT(sqlite3_user_data(context)) ){ + case 1: + ans = log10(x); + break; + case 2: + ans = log2(x); + break; + default: + ans = log(x); + break; + } + } + sqlite3_result_double(context, ans); +} + +/* +** Functions to converts degrees to radians and radians to degrees. +*/ +static double degToRad(double x){ return x*(M_PI/180.0); } +static double radToDeg(double x){ return x*(180.0/M_PI); } + +/* +** Implementation of 1-argument SQL math functions: +** +** exp(X) - Compute e to the X-th power +*/ +static void math1Func( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + int type0; + double v0, ans; + double (*x)(double); + assert( argc==1 ); + type0 = sqlite3_value_numeric_type(argv[0]); + if( type0!=SQLITE_INTEGER && type0!=SQLITE_FLOAT ) return; + v0 = sqlite3_value_double(argv[0]); + x = (double(*)(double))sqlite3_user_data(context); + ans = x(v0); + sqlite3_result_double(context, ans); +} + +/* +** Implementation of 2-argument SQL math functions: +** +** power(X,Y) - Compute X to the Y-th power +*/ +static void math2Func( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + int type0, type1; + double v0, v1, ans; + double (*x)(double,double); + assert( argc==2 ); + type0 = sqlite3_value_numeric_type(argv[0]); + if( type0!=SQLITE_INTEGER && type0!=SQLITE_FLOAT ) return; + type1 = sqlite3_value_numeric_type(argv[1]); + if( type1!=SQLITE_INTEGER && type1!=SQLITE_FLOAT ) return; + v0 = sqlite3_value_double(argv[0]); + v1 = sqlite3_value_double(argv[1]); + x = (double(*)(double,double))sqlite3_user_data(context); + ans = x(v0, v1); + sqlite3_result_double(context, ans); +} + +/* +** Implementation of 0-argument pi() function. +*/ +static void piFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( argc==0 ); + (void)argv; + sqlite3_result_double(context, M_PI); +} + +#endif /* SQLITE_ENABLE_MATH_FUNCTIONS */ + +/* +** Implementation of sign(X) function. +*/ +static void signFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + int type0; + double x; + UNUSED_PARAMETER(argc); + assert( argc==1 ); + type0 = sqlite3_value_numeric_type(argv[0]); + if( type0!=SQLITE_INTEGER && type0!=SQLITE_FLOAT ) return; + x = sqlite3_value_double(argv[0]); + sqlite3_result_int(context, x<0.0 ? -1 : x>0.0 ? +1 : 0); +} + +#ifdef SQLITE_DEBUG +/* +** Implementation of fpdecode(x,y,z) function. +** +** x is a real number that is to be decoded. y is the precision. +** z is the maximum real precision. +*/ +static void fpdecodeFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + FpDecode s; + double x; + int y, z; + char zBuf[100]; + UNUSED_PARAMETER(argc); + assert( argc==3 ); + x = sqlite3_value_double(argv[0]); + y = sqlite3_value_int(argv[1]); + z = sqlite3_value_int(argv[2]); + sqlite3FpDecode(&s, x, y, z); + if( s.isSpecial==2 ){ + sqlite3_snprintf(sizeof(zBuf), zBuf, "NaN"); + }else{ + sqlite3_snprintf(sizeof(zBuf), zBuf, "%c%.*s/%d", s.sign, s.n, s.z, s.iDP); + } + sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); +} +#endif /* SQLITE_DEBUG */ + /* ** All of the FuncDef structures in the aBuiltinFunc[] array above ** to the global function hash table. This occurs at start-time (as @@ -118974,12 +129143,12 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ */ static FuncDef aBuiltinFunc[] = { /***** Functions only available with SQLITE_TESTCTRL_INTERNAL_FUNCTIONS *****/ +#if !defined(SQLITE_UNTESTABLE) TEST_FUNC(implies_nonnull_row, 2, INLINEFUNC_implies_nonnull_row, 0), TEST_FUNC(expr_compare, 2, INLINEFUNC_expr_compare, 0), TEST_FUNC(expr_implies_expr, 2, INLINEFUNC_expr_implies_expr, 0), -#ifdef SQLITE_DEBUG - TEST_FUNC(affinity, 1, INLINEFUNC_affinity, 0), -#endif + TEST_FUNC(affinity, 1, INLINEFUNC_affinity, 0), +#endif /* !defined(SQLITE_UNTESTABLE) */ /***** Regular functions *****/ #ifdef SQLITE_SOUNDEX FUNCTION(soundex, 1, 0, 0, soundexFunc ), @@ -118999,8 +129168,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ INLINE_FUNC(likelihood, 2, INLINEFUNC_unlikely, SQLITE_FUNC_UNLIKELY), INLINE_FUNC(likely, 1, INLINEFUNC_unlikely, SQLITE_FUNC_UNLIKELY), #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC - FUNCTION2(sqlite_offset, 1, 0, 0, noopFunc, SQLITE_FUNC_OFFSET| - SQLITE_FUNC_TYPEOF), + INLINE_FUNC(sqlite_offset, 1, INLINEFUNC_sqlite_offset, 0 ), #endif FUNCTION(ltrim, 1, 1, 0, trimFunc ), FUNCTION(ltrim, 2, 1, 0, trimFunc ), @@ -119011,18 +129179,24 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(min, -1, 0, 1, minmaxFunc ), FUNCTION(min, 0, 0, 1, 0 ), WAGGREGATE(min, 1, 0, 1, minmaxStep, minMaxFinalize, minMaxValue, 0, - SQLITE_FUNC_MINMAX ), + SQLITE_FUNC_MINMAX|SQLITE_FUNC_ANYORDER ), FUNCTION(max, -1, 1, 1, minmaxFunc ), FUNCTION(max, 0, 1, 1, 0 ), WAGGREGATE(max, 1, 1, 1, minmaxStep, minMaxFinalize, minMaxValue, 0, - SQLITE_FUNC_MINMAX ), + SQLITE_FUNC_MINMAX|SQLITE_FUNC_ANYORDER ), FUNCTION2(typeof, 1, 0, 0, typeofFunc, SQLITE_FUNC_TYPEOF), + FUNCTION2(subtype, 1, 0, 0, subtypeFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(length, 1, 0, 0, lengthFunc, SQLITE_FUNC_LENGTH), + FUNCTION2(octet_length, 1, 0, 0, bytelengthFunc,SQLITE_FUNC_BYTELEN), FUNCTION(instr, 2, 0, 0, instrFunc ), FUNCTION(printf, -1, 0, 0, printfFunc ), + FUNCTION(format, -1, 0, 0, printfFunc ), FUNCTION(unicode, 1, 0, 0, unicodeFunc ), FUNCTION(char, -1, 0, 0, charFunc ), FUNCTION(abs, 1, 0, 0, absFunc ), +#ifdef SQLITE_DEBUG + FUNCTION(fpdecode, 3, 0, 0, fpdecodeFunc ), +#endif #ifndef SQLITE_OMIT_FLOATING_POINT FUNCTION(round, 1, 0, 0, roundFunc ), FUNCTION(round, 2, 0, 0, roundFunc ), @@ -119030,6 +129204,8 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(upper, 1, 0, 0, upperFunc ), FUNCTION(lower, 1, 0, 0, lowerFunc ), FUNCTION(hex, 1, 0, 0, hexFunc ), + FUNCTION(unhex, 1, 0, 0, unhexFunc ), + FUNCTION(unhex, 2, 0, 0, unhexFunc ), INLINE_FUNC(ifnull, 2, INLINEFUNC_coalesce, 0 ), VFUNCTION(random, 0, 0, 0, randomFunc ), VFUNCTION(randomblob, 1, 0, 0, randomBlob ), @@ -119045,13 +129221,16 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(zeroblob, 1, 0, 0, zeroblobFunc ), FUNCTION(substr, 2, 0, 0, substrFunc ), FUNCTION(substr, 3, 0, 0, substrFunc ), + FUNCTION(substring, 2, 0, 0, substrFunc ), + FUNCTION(substring, 3, 0, 0, substrFunc ), WAGGREGATE(sum, 1,0,0, sumStep, sumFinalize, sumFinalize, sumInverse, 0), WAGGREGATE(total, 1,0,0, sumStep,totalFinalize,totalFinalize,sumInverse, 0), WAGGREGATE(avg, 1,0,0, sumStep, avgFinalize, avgFinalize, sumInverse, 0), WAGGREGATE(count, 0,0,0, countStep, - countFinalize, countFinalize, countInverse, SQLITE_FUNC_COUNT ), + countFinalize, countFinalize, countInverse, + SQLITE_FUNC_COUNT|SQLITE_FUNC_ANYORDER ), WAGGREGATE(count, 1,0,0, countStep, - countFinalize, countFinalize, countInverse, 0 ), + countFinalize, countFinalize, countInverse, SQLITE_FUNC_ANYORDER ), WAGGREGATE(group_concat, 1, 0, 0, groupConcatStep, groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), WAGGREGATE(group_concat, 2, 0, 0, groupConcatStep, @@ -119070,6 +129249,43 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ #endif FUNCTION(coalesce, 1, 0, 0, 0 ), FUNCTION(coalesce, 0, 0, 0, 0 ), +#ifdef SQLITE_ENABLE_MATH_FUNCTIONS + MFUNCTION(ceil, 1, xCeil, ceilingFunc ), + MFUNCTION(ceiling, 1, xCeil, ceilingFunc ), + MFUNCTION(floor, 1, xFloor, ceilingFunc ), +#if SQLITE_HAVE_C99_MATH_FUNCS + MFUNCTION(trunc, 1, trunc, ceilingFunc ), +#endif + FUNCTION(ln, 1, 0, 0, logFunc ), + FUNCTION(log, 1, 1, 0, logFunc ), + FUNCTION(log10, 1, 1, 0, logFunc ), + FUNCTION(log2, 1, 2, 0, logFunc ), + FUNCTION(log, 2, 0, 0, logFunc ), + MFUNCTION(exp, 1, exp, math1Func ), + MFUNCTION(pow, 2, pow, math2Func ), + MFUNCTION(power, 2, pow, math2Func ), + MFUNCTION(mod, 2, fmod, math2Func ), + MFUNCTION(acos, 1, acos, math1Func ), + MFUNCTION(asin, 1, asin, math1Func ), + MFUNCTION(atan, 1, atan, math1Func ), + MFUNCTION(atan2, 2, atan2, math2Func ), + MFUNCTION(cos, 1, cos, math1Func ), + MFUNCTION(sin, 1, sin, math1Func ), + MFUNCTION(tan, 1, tan, math1Func ), + MFUNCTION(cosh, 1, cosh, math1Func ), + MFUNCTION(sinh, 1, sinh, math1Func ), + MFUNCTION(tanh, 1, tanh, math1Func ), +#if SQLITE_HAVE_C99_MATH_FUNCS + MFUNCTION(acosh, 1, acosh, math1Func ), + MFUNCTION(asinh, 1, asinh, math1Func ), + MFUNCTION(atanh, 1, atanh, math1Func ), +#endif + MFUNCTION(sqrt, 1, sqrt, math1Func ), + MFUNCTION(radians, 1, degToRad, math1Func ), + MFUNCTION(degrees, 1, radToDeg, math1Func ), + FUNCTION(pi, 0, 0, 0, piFunc ), +#endif /* SQLITE_ENABLE_MATH_FUNCTIONS */ + FUNCTION(sign, 1, 0, 0, signFunc ), INLINE_FUNC(coalesce, -1, INLINEFUNC_coalesce, 0 ), INLINE_FUNC(iif, 3, INLINEFUNC_iif, 0 ), }; @@ -119078,6 +129294,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ #endif sqlite3WindowFunctions(); sqlite3RegisterDateTimeFunctions(); + sqlite3RegisterJsonFunctions(); sqlite3InsertBuiltinFuncs(aBuiltinFunc, ArraySize(aBuiltinFunc)); #if 0 /* Enable to print out how the built-in functions are hashed */ @@ -119089,6 +129306,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash){ int n = sqlite3Strlen30(p->zName); int h = p->zName[0] + n; + assert( p->funcFlags & SQLITE_FUNC_BUILTIN ); printf(" %s(%d)", p->zName, h); } printf("\n"); @@ -119316,7 +129534,9 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( */ if( pParent->iPKey>=0 ){ if( !zKey ) return 0; - if( !sqlite3StrICmp(pParent->aCol[pParent->iPKey].zName, zKey) ) return 0; + if( !sqlite3StrICmp(pParent->aCol[pParent->iPKey].zCnName, zKey) ){ + return 0; + } } }else if( paiCol ){ assert( nCol>1 ); @@ -119358,11 +129578,11 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( /* If the index uses a collation sequence that is different from ** the default collation sequence for the column, this index is ** unusable. Bail out early in this case. */ - zDfltColl = pParent->aCol[iCol].zColl; + zDfltColl = sqlite3ColumnColl(&pParent->aCol[iCol]); if( !zDfltColl ) zDfltColl = sqlite3StrBINARY; if( sqlite3StrICmp(pIdx->azColl[i], zDfltColl) ) break; - zIdxCol = pParent->aCol[iCol].zName; + zIdxCol = pParent->aCol[iCol].zCnName; for(j=0; jaCol[j].zCol, zIdxCol)==0 ){ if( aiCol ) aiCol[i] = pFKey->aCol[j].iFrom; @@ -119489,7 +129709,6 @@ static void fkLookupParent( }else{ int nCol = pFKey->nCol; int regTemp = sqlite3GetTempRange(pParse, nCol); - int regRec = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_OpenRead, iCur, pIdx->tnum, iDb); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); @@ -119529,11 +129748,10 @@ static void fkLookupParent( sqlite3VdbeGoto(v, iOk); } - sqlite3VdbeAddOp4(v, OP_MakeRecord, regTemp, nCol, regRec, + sqlite3VdbeAddOp4(v, OP_Affinity, regTemp, nCol, 0, sqlite3IndexAffinityStr(pParse->db,pIdx), nCol); - sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regRec, 0); VdbeCoverage(v); - - sqlite3ReleaseTempReg(pParse, regRec); + sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regTemp, nCol); + VdbeCoverage(v); sqlite3ReleaseTempRange(pParse, regTemp, nCol); } } @@ -119586,7 +129804,7 @@ static Expr *exprTableRegister( pCol = &pTab->aCol[iCol]; pExpr->iTable = regBase + sqlite3TableColumnToStorage(pTab,iCol) + 1; pExpr->affExpr = pCol->affinity; - zColl = pCol->zColl; + zColl = sqlite3ColumnColl(pCol); if( zColl==0 ) zColl = db->pDfltColl->zName; pExpr = sqlite3ExprAddCollateString(pParse, pExpr, zColl); }else{ @@ -119609,6 +129827,7 @@ static Expr *exprTableColumn( ){ Expr *pExpr = sqlite3Expr(db, TK_COLUMN, 0); if( pExpr ){ + assert( ExprUseYTab(pExpr) ); pExpr->y.pTab = pTab; pExpr->iTable = iCursor; pExpr->iColumn = iCol; @@ -119634,14 +129853,10 @@ static Expr *exprTableColumn( ** Operation | FK type | Action taken ** -------------------------------------------------------------------------- ** DELETE immediate Increment the "immediate constraint counter". -** Or, if the ON (UPDATE|DELETE) action is RESTRICT, -** throw a "FOREIGN KEY constraint failed" exception. ** ** INSERT immediate Decrement the "immediate constraint counter". ** ** DELETE deferred Increment the "deferred constraint counter". -** Or, if the ON (UPDATE|DELETE) action is RESTRICT, -** throw a "FOREIGN KEY constraint failed" exception. ** ** INSERT deferred Decrement the "deferred constraint counter". ** @@ -119695,7 +129910,7 @@ static void fkScanChildren( pLeft = exprTableRegister(pParse, pTab, regData, iCol); iCol = aiCol ? aiCol[i] : pFKey->aCol[0].iFrom; assert( iCol>=0 ); - zCol = pFKey->pFrom->aCol[iCol].zName; + zCol = pFKey->pFrom->aCol[iCol].zCnName; pRight = sqlite3Expr(db, TK_ID, zCol); pEq = sqlite3PExpr(pParse, TK_EQ, pLeft, pRight); pWhere = sqlite3ExprAnd(pParse, pWhere, pEq); @@ -119730,7 +129945,7 @@ static void fkScanChildren( i16 iCol = pIdx->aiColumn[i]; assert( iCol>=0 ); pLeft = exprTableRegister(pParse, pTab, regData, iCol); - pRight = sqlite3Expr(db, TK_ID, pTab->aCol[iCol].zName); + pRight = sqlite3Expr(db, TK_ID, pTab->aCol[iCol].zCnName); pEq = sqlite3PExpr(pParse, TK_IS, pLeft, pRight); pAll = sqlite3ExprAnd(pParse, pAll, pEq); } @@ -119749,7 +129964,7 @@ static void fkScanChildren( ** clause. For each row found, increment either the deferred or immediate ** foreign key constraint counter. */ if( pParse->nErr==0 ){ - pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0); + pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0, 0); sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr); if( pWInfo ){ sqlite3WhereEnd(pWInfo); @@ -119800,6 +130015,25 @@ static void fkTriggerDelete(sqlite3 *dbMem, Trigger *p){ } } +/* +** Clear the apTrigger[] cache of CASCADE triggers for all foreign keys +** in a particular database. This needs to happen when the schema +** changes. +*/ +SQLITE_PRIVATE void sqlite3FkClearTriggerCache(sqlite3 *db, int iDb){ + HashElem *k; + Hash *pHash = &db->aDb[iDb].pSchema->tblHash; + for(k=sqliteHashFirst(pHash); k; k=sqliteHashNext(k)){ + Table *pTab = sqliteHashData(k); + FKey *pFKey; + if( !IsOrdinaryTable(pTab) ) continue; + for(pFKey=pTab->u.tab.pFKey; pFKey; pFKey=pFKey->pNextFrom){ + fkTriggerDelete(db, pFKey->apTrigger[0]); pFKey->apTrigger[0] = 0; + fkTriggerDelete(db, pFKey->apTrigger[1]); pFKey->apTrigger[1] = 0; + } + } +} + /* ** This function is called to generate code that runs when table pTab is ** being dropped from the database. The SrcList passed as the second argument @@ -119819,12 +130053,12 @@ static void fkTriggerDelete(sqlite3 *dbMem, Trigger *p){ */ SQLITE_PRIVATE void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTab){ sqlite3 *db = pParse->db; - if( (db->flags&SQLITE_ForeignKeys) && !IsVirtual(pTab) ){ + if( (db->flags&SQLITE_ForeignKeys) && IsOrdinaryTable(pTab) ){ int iSkip = 0; Vdbe *v = sqlite3GetVdbe(pParse); assert( v ); /* VDBE has already been allocated */ - assert( pTab->pSelect==0 ); /* Not a view */ + assert( IsOrdinaryTable(pTab) ); if( sqlite3FkReferences(pTab)==0 ){ /* Search for a deferred foreign key constraint for which this table ** is the child table. If one cannot be found, return without @@ -119832,7 +130066,7 @@ SQLITE_PRIVATE void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTa ** the entire DELETE if there are no outstanding deferred constraints ** when this statement is run. */ FKey *p; - for(p=pTab->pFKey; p; p=p->pNextFrom){ + for(p=pTab->u.tab.pFKey; p; p=p->pNextFrom){ if( p->isDeferred || (db->flags & SQLITE_DeferFKs) ) break; } if( !p ) return; @@ -119921,7 +130155,7 @@ static int fkParentIsModified( if( aChange[iKey]>=0 || (iKey==pTab->iPKey && bChngRowid) ){ Column *pCol = &pTab->aCol[iKey]; if( zKey ){ - if( 0==sqlite3StrICmp(pCol->zName, zKey) ) return 1; + if( 0==sqlite3StrICmp(pCol->zCnName, zKey) ) return 1; }else if( pCol->colFlags & COLFLAG_PRIMKEY ){ return 1; } @@ -119988,13 +130222,14 @@ SQLITE_PRIVATE void sqlite3FkCheck( /* If foreign-keys are disabled, this function is a no-op. */ if( (db->flags&SQLITE_ForeignKeys)==0 ) return; + if( !IsOrdinaryTable(pTab) ) return; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); zDb = db->aDb[iDb].zDbSName; /* Loop through all the foreign key constraints for which pTab is the ** child table (the table that the foreign key definition is part of). */ - for(pFKey=pTab->pFKey; pFKey; pFKey=pFKey->pNextFrom){ + for(pFKey=pTab->u.tab.pFKey; pFKey; pFKey=pFKey->pNextFrom){ Table *pTo; /* Parent table of foreign key pFKey */ Index *pIdx = 0; /* Index on key columns in pTo */ int *aiFree = 0; @@ -120061,7 +130296,7 @@ SQLITE_PRIVATE void sqlite3FkCheck( ** values read from the parent table are NULL. */ if( db->xAuth ){ int rcauth; - char *zCol = pTo->aCol[pIdx ? pIdx->aiColumn[i] : pTo->iPKey].zName; + char *zCol = pTo->aCol[pIdx ? pIdx->aiColumn[i] : pTo->iPKey].zCnName; rcauth = sqlite3AuthReadCol(pParse, pTo->zName, zCol, iDb); bIgnore = (rcauth==SQLITE_IGNORE); } @@ -120125,7 +130360,7 @@ SQLITE_PRIVATE void sqlite3FkCheck( ** child table as a SrcList for sqlite3WhereBegin() */ pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); if( pSrc ){ - struct SrcList_item *pItem = pSrc->a; + SrcItem *pItem = pSrc->a; pItem->pTab = pFKey->pFrom; pItem->zName = pFKey->pFrom->zName; pItem->pTab->nTabRef++; @@ -120176,10 +130411,10 @@ SQLITE_PRIVATE u32 sqlite3FkOldmask( Table *pTab /* Table being modified */ ){ u32 mask = 0; - if( pParse->db->flags&SQLITE_ForeignKeys ){ + if( pParse->db->flags&SQLITE_ForeignKeys && IsOrdinaryTable(pTab) ){ FKey *p; int i; - for(p=pTab->pFKey; p; p=p->pNextFrom){ + for(p=pTab->u.tab.pFKey; p; p=p->pNextFrom){ for(i=0; inCol; i++) mask |= COLUMN_MASK(p->aCol[i].iFrom); } for(p=sqlite3FkReferences(pTab); p; p=p->pNextTo){ @@ -120213,7 +130448,9 @@ SQLITE_PRIVATE u32 sqlite3FkOldmask( ** ** For an UPDATE, this function returns 2 if: ** -** * There are any FKs for which pTab is the child and the parent table, or +** * There are any FKs for which pTab is the child and the parent table +** and any FK processing at all is required (even of a different FK), or +** ** * the UPDATE modifies one or more parent keys for which the action is ** not "NO ACTION" (i.e. is CASCADE, SET DEFAULT or SET NULL). ** @@ -120225,23 +130462,24 @@ SQLITE_PRIVATE int sqlite3FkRequired( int *aChange, /* Non-NULL for UPDATE operations */ int chngRowid /* True for UPDATE that affects rowid */ ){ - int eRet = 0; - if( pParse->db->flags&SQLITE_ForeignKeys ){ + int eRet = 1; /* Value to return if bHaveFK is true */ + int bHaveFK = 0; /* If FK processing is required */ + if( pParse->db->flags&SQLITE_ForeignKeys && IsOrdinaryTable(pTab) ){ if( !aChange ){ /* A DELETE operation. Foreign key processing is required if the ** table in question is either the child or parent table for any ** foreign key constraint. */ - eRet = (sqlite3FkReferences(pTab) || pTab->pFKey); + bHaveFK = (sqlite3FkReferences(pTab) || pTab->u.tab.pFKey); }else{ /* This is an UPDATE. Foreign key processing is only required if the ** operation modifies one or more child or parent key columns. */ FKey *p; /* Check if any child key columns are being modified. */ - for(p=pTab->pFKey; p; p=p->pNextFrom){ - if( 0==sqlite3_stricmp(pTab->zName, p->zTo) ) return 2; + for(p=pTab->u.tab.pFKey; p; p=p->pNextFrom){ if( fkChildIsModified(pTab, p, aChange, chngRowid) ){ - eRet = 1; + if( 0==sqlite3_stricmp(pTab->zName, p->zTo) ) eRet = 2; + bHaveFK = 1; } } @@ -120249,12 +130487,12 @@ SQLITE_PRIVATE int sqlite3FkRequired( for(p=sqlite3FkReferences(pTab); p; p=p->pNextTo){ if( fkParentIsModified(pTab, p, aChange, chngRowid) ){ if( p->aAction[1]!=OE_None ) return 2; - eRet = 1; + bHaveFK = 1; } } } } - return eRet; + return bHaveFK ? eRet : 0; } /* @@ -120266,9 +130504,9 @@ SQLITE_PRIVATE int sqlite3FkRequired( ** ** It returns a pointer to a Trigger structure containing a trigger ** equivalent to the ON UPDATE or ON DELETE action specified by pFKey. -** If the action is "NO ACTION" or "RESTRICT", then a NULL pointer is -** returned (these actions require no special handling by the triggers -** sub-system, code for them is created by fkScanChildren()). +** If the action is "NO ACTION" then a NULL pointer is returned (these actions +** require no special handling by the triggers sub-system, code for them is +** created by fkScanChildren()). ** ** For example, if pFKey is the foreign key and pTab is table "p" in ** the following schema: @@ -120331,8 +130569,8 @@ static Trigger *fkActionTrigger( assert( pIdx!=0 || (pTab->iPKey>=0 && pTab->iPKeynCol) ); assert( pIdx==0 || pIdx->aiColumn[i]>=0 ); sqlite3TokenInit(&tToCol, - pTab->aCol[pIdx ? pIdx->aiColumn[i] : pTab->iPKey].zName); - sqlite3TokenInit(&tFromCol, pFKey->pFrom->aCol[iFromCol].zName); + pTab->aCol[pIdx ? pIdx->aiColumn[i] : pTab->iPKey].zCnName); + sqlite3TokenInit(&tFromCol, pFKey->pFrom->aCol[iFromCol].zCnName); /* Create the expression "OLD.zToCol = zFromCol". It is important ** that the "OLD.zToCol" term is on the LHS of the = operator, so @@ -120377,7 +130615,7 @@ static Trigger *fkActionTrigger( testcase( pCol->colFlags & COLFLAG_STORED ); pDflt = 0; }else{ - pDflt = pCol->pDflt; + pDflt = sqlite3ColumnExpr(pFKey->pFrom, pCol); } if( pDflt ){ pNew = sqlite3ExprDup(db, pDflt, 0); @@ -120397,18 +130635,23 @@ static Trigger *fkActionTrigger( nFrom = sqlite3Strlen30(zFrom); if( action==OE_Restrict ){ - Token tFrom; + int iDb = sqlite3SchemaToIndex(db, pTab->pSchema); + SrcList *pSrc; Expr *pRaise; - tFrom.z = zFrom; - tFrom.n = nFrom; pRaise = sqlite3Expr(db, TK_RAISE, "FOREIGN KEY constraint failed"); if( pRaise ){ pRaise->affExpr = OE_Abort; } + pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); + if( pSrc ){ + assert( pSrc->nSrc==1 ); + pSrc->a[0].zName = sqlite3DbStrDup(db, zFrom); + pSrc->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName); + } pSelect = sqlite3SelectNew(pParse, sqlite3ExprListAppend(pParse, 0, pRaise), - sqlite3SrcListAppend(pParse, 0, &tFrom, 0), + pSrc, pWhere, 0, 0, 0, 0, 0 ); @@ -120514,18 +130757,18 @@ SQLITE_PRIVATE void sqlite3FkDelete(sqlite3 *db, Table *pTab){ FKey *pFKey; /* Iterator variable */ FKey *pNext; /* Copy of pFKey->pNextFrom */ - assert( db==0 || IsVirtual(pTab) - || sqlite3SchemaMutexHeld(db, 0, pTab->pSchema) ); - for(pFKey=pTab->pFKey; pFKey; pFKey=pNext){ + assert( IsOrdinaryTable(pTab) ); + assert( db!=0 ); + for(pFKey=pTab->u.tab.pFKey; pFKey; pFKey=pNext){ + assert( db==0 || sqlite3SchemaMutexHeld(db, 0, pTab->pSchema) ); /* Remove the FK from the fkeyHash hash table. */ - if( !db || db->pnBytesFreed==0 ){ + if( db->pnBytesFreed==0 ){ if( pFKey->pPrevTo ){ pFKey->pPrevTo->pNextTo = pFKey->pNextTo; }else{ - void *p = (void *)pFKey->pNextTo; - const char *z = (p ? pFKey->pNextTo->zTo : pFKey->zTo); - sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, p); + const char *z = (pFKey->pNextTo ? pFKey->pNextTo->zTo : pFKey->zTo); + sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, pFKey->pNextTo); } if( pFKey->pNextTo ){ pFKey->pNextTo->pPrevTo = pFKey->pPrevTo; @@ -120585,17 +130828,20 @@ SQLITE_PRIVATE void sqlite3OpenTable( ){ Vdbe *v; assert( !IsVirtual(pTab) ); - v = sqlite3GetVdbe(pParse); + assert( pParse->pVdbe!=0 ); + v = pParse->pVdbe; assert( opcode==OP_OpenWrite || opcode==OP_OpenRead ); - sqlite3TableLock(pParse, iDb, pTab->tnum, - (opcode==OP_OpenWrite)?1:0, pTab->zName); + if( !pParse->db->noSharedCache ){ + sqlite3TableLock(pParse, iDb, pTab->tnum, + (opcode==OP_OpenWrite)?1:0, pTab->zName); + } if( HasRowid(pTab) ){ sqlite3VdbeAddOp4Int(v, opcode, iCur, pTab->tnum, iDb, pTab->nNVCol); VdbeComment((v, "%s", pTab->zName)); }else{ Index *pPk = sqlite3PrimaryKeyIndex(pTab); assert( pPk!=0 ); - assert( pPk->tnum==pTab->tnum ); + assert( pPk->tnum==pTab->tnum || CORRUPT_DB ); sqlite3VdbeAddOp3(v, opcode, iCur, pPk->tnum, iDb); sqlite3VdbeSetP4KeyInfo(pParse, pPk); VdbeComment((v, "%s", pTab->zName)); @@ -120622,85 +130868,139 @@ SQLITE_PRIVATE void sqlite3OpenTable( ** is managed along with the rest of the Index structure. It will be ** released when sqlite3DeleteIndex() is called. */ -SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ +static SQLITE_NOINLINE const char *computeIndexAffStr(sqlite3 *db, Index *pIdx){ + /* The first time a column affinity string for a particular index is + ** required, it is allocated and populated here. It is then stored as + ** a member of the Index structure for subsequent use. + ** + ** The column affinity string will eventually be deleted by + ** sqliteDeleteIndex() when the Index structure itself is cleaned + ** up. + */ + int n; + Table *pTab = pIdx->pTable; + pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+1); if( !pIdx->zColAff ){ - /* The first time a column affinity string for a particular index is - ** required, it is allocated and populated here. It is then stored as - ** a member of the Index structure for subsequent use. - ** - ** The column affinity string will eventually be deleted by - ** sqliteDeleteIndex() when the Index structure itself is cleaned - ** up. - */ - int n; - Table *pTab = pIdx->pTable; - pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+1); - if( !pIdx->zColAff ){ - sqlite3OomFault(db); - return 0; + sqlite3OomFault(db); + return 0; + } + for(n=0; nnColumn; n++){ + i16 x = pIdx->aiColumn[n]; + char aff; + if( x>=0 ){ + aff = pTab->aCol[x].affinity; + }else if( x==XN_ROWID ){ + aff = SQLITE_AFF_INTEGER; + }else{ + assert( x==XN_EXPR ); + assert( pIdx->bHasExpr ); + assert( pIdx->aColExpr!=0 ); + aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr); } - for(n=0; nnColumn; n++){ - i16 x = pIdx->aiColumn[n]; - char aff; - if( x>=0 ){ - aff = pTab->aCol[x].affinity; - }else if( x==XN_ROWID ){ - aff = SQLITE_AFF_INTEGER; - }else{ - assert( x==XN_EXPR ); - assert( pIdx->aColExpr!=0 ); - aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr); + if( affSQLITE_AFF_NUMERIC) aff = SQLITE_AFF_NUMERIC; + pIdx->zColAff[n] = aff; + } + pIdx->zColAff[n] = 0; + return pIdx->zColAff; +} +SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ + if( !pIdx->zColAff ) return computeIndexAffStr(db, pIdx); + return pIdx->zColAff; +} + + +/* +** Compute an affinity string for a table. Space is obtained +** from sqlite3DbMalloc(). The caller is responsible for freeing +** the space when done. +*/ +SQLITE_PRIVATE char *sqlite3TableAffinityStr(sqlite3 *db, const Table *pTab){ + char *zColAff; + zColAff = (char *)sqlite3DbMallocRaw(db, pTab->nCol+1); + if( zColAff ){ + int i, j; + for(i=j=0; inCol; i++){ + if( (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ){ + zColAff[j++] = pTab->aCol[i].affinity; } - if( affSQLITE_AFF_NUMERIC) aff = SQLITE_AFF_NUMERIC; - pIdx->zColAff[n] = aff; } - pIdx->zColAff[n] = 0; + do{ + zColAff[j--] = 0; + }while( j>=0 && zColAff[j]<=SQLITE_AFF_BLOB ); } - - return pIdx->zColAff; + return zColAff; } /* +** Make changes to the evolving bytecode to do affinity transformations +** of values that are about to be gathered into a row for table pTab. +** +** For ordinary (legacy, non-strict) tables: +** ----------------------------------------- +** ** Compute the affinity string for table pTab, if it has not already been ** computed. As an optimization, omit trailing SQLITE_AFF_BLOB affinities. ** -** If the affinity exists (if it is no entirely SQLITE_AFF_BLOB values) and -** if iReg>0 then code an OP_Affinity opcode that will set the affinities -** for register iReg and following. Or if affinities exists and iReg==0, +** If the affinity string is empty (because it was all SQLITE_AFF_BLOB entries +** which were then optimized out) then this routine becomes a no-op. +** +** Otherwise if iReg>0 then code an OP_Affinity opcode that will set the +** affinities for register iReg and following. Or if iReg==0, ** then just set the P4 operand of the previous opcode (which should be ** an OP_MakeRecord) to the affinity string. ** ** A column affinity string has one character per column: ** -** Character Column affinity -** ------------------------------ -** 'A' BLOB -** 'B' TEXT -** 'C' NUMERIC -** 'D' INTEGER -** 'E' REAL +** Character Column affinity +** --------- --------------- +** 'A' BLOB +** 'B' TEXT +** 'C' NUMERIC +** 'D' INTEGER +** 'E' REAL +** +** For STRICT tables: +** ------------------ +** +** Generate an appropriate OP_TypeCheck opcode that will verify the +** datatypes against the column definitions in pTab. If iReg==0, that +** means an OP_MakeRecord opcode has already been generated and should be +** the last opcode generated. The new OP_TypeCheck needs to be inserted +** before the OP_MakeRecord. The new OP_TypeCheck should use the same +** register set as the OP_MakeRecord. If iReg>0 then register iReg is +** the first of a series of registers that will form the new record. +** Apply the type checking to that array of registers. */ SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){ - int i, j; - char *zColAff = pTab->zColAff; + int i; + char *zColAff; + if( pTab->tabFlags & TF_Strict ){ + if( iReg==0 ){ + /* Move the previous opcode (which should be OP_MakeRecord) forward + ** by one slot and insert a new OP_TypeCheck where the current + ** OP_MakeRecord is found */ + VdbeOp *pPrev; + sqlite3VdbeAppendP4(v, pTab, P4_TABLE); + pPrev = sqlite3VdbeGetLastOp(v); + assert( pPrev!=0 ); + assert( pPrev->opcode==OP_MakeRecord || sqlite3VdbeDb(v)->mallocFailed ); + pPrev->opcode = OP_TypeCheck; + sqlite3VdbeAddOp3(v, OP_MakeRecord, pPrev->p1, pPrev->p2, pPrev->p3); + }else{ + /* Insert an isolated OP_Typecheck */ + sqlite3VdbeAddOp2(v, OP_TypeCheck, iReg, pTab->nNVCol); + sqlite3VdbeAppendP4(v, pTab, P4_TABLE); + } + return; + } + zColAff = pTab->zColAff; if( zColAff==0 ){ - sqlite3 *db = sqlite3VdbeDb(v); - zColAff = (char *)sqlite3DbMallocRaw(0, pTab->nCol+1); + zColAff = sqlite3TableAffinityStr(0, pTab); if( !zColAff ){ - sqlite3OomFault(db); + sqlite3OomFault(sqlite3VdbeDb(v)); return; } - - for(i=j=0; inCol; i++){ - assert( pTab->aCol[i].affinity!=0 ); - if( (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ){ - zColAff[j++] = pTab->aCol[i].affinity; - } - } - do{ - zColAff[j--] = 0; - }while( j>=0 && zColAff[j]<=SQLITE_AFF_BLOB ); pTab->zColAff = zColAff; } assert( zColAff!=0 ); @@ -120709,6 +131009,8 @@ SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){ if( iReg ){ sqlite3VdbeAddOp4(v, OP_Affinity, iReg, i, 0, zColAff, i); }else{ + assert( sqlite3VdbeGetLastOp(v)->opcode==OP_MakeRecord + || sqlite3VdbeDb(v)->mallocFailed ); sqlite3VdbeChangeP4(v, -1, zColAff, i); } } @@ -120792,24 +131094,30 @@ SQLITE_PRIVATE void sqlite3ComputeGeneratedColumns( ** that appropriate affinity has been applied to the regular columns */ sqlite3TableAffinity(pParse->pVdbe, pTab, iRegStore); - if( (pTab->tabFlags & TF_HasStored)!=0 - && (pOp = sqlite3VdbeGetOp(pParse->pVdbe,-1))->opcode==OP_Affinity - ){ - /* Change the OP_Affinity argument to '@' (NONE) for all stored - ** columns. '@' is the no-op affinity and those columns have not - ** yet been computed. */ - int ii, jj; - char *zP4 = pOp->p4.z; - assert( zP4!=0 ); - assert( pOp->p4type==P4_DYNAMIC ); - for(ii=jj=0; zP4[jj]; ii++){ - if( pTab->aCol[ii].colFlags & COLFLAG_VIRTUAL ){ - continue; - } - if( pTab->aCol[ii].colFlags & COLFLAG_STORED ){ - zP4[jj] = SQLITE_AFF_NONE; + if( (pTab->tabFlags & TF_HasStored)!=0 ){ + pOp = sqlite3VdbeGetLastOp(pParse->pVdbe); + if( pOp->opcode==OP_Affinity ){ + /* Change the OP_Affinity argument to '@' (NONE) for all stored + ** columns. '@' is the no-op affinity and those columns have not + ** yet been computed. */ + int ii, jj; + char *zP4 = pOp->p4.z; + assert( zP4!=0 ); + assert( pOp->p4type==P4_DYNAMIC ); + for(ii=jj=0; zP4[jj]; ii++){ + if( pTab->aCol[ii].colFlags & COLFLAG_VIRTUAL ){ + continue; + } + if( pTab->aCol[ii].colFlags & COLFLAG_STORED ){ + zP4[jj] = SQLITE_AFF_NONE; + } + jj++; } - jj++; + }else if( pOp->opcode==OP_TypeCheck ){ + /* If an OP_TypeCheck was generated because the table is STRICT, + ** then set the P3 operand to indicate that generated columns should + ** not be checked */ + pOp->p3 = 1; } } @@ -120845,7 +131153,7 @@ SQLITE_PRIVATE void sqlite3ComputeGeneratedColumns( int x; pCol->colFlags |= COLFLAG_BUSY; w.eCode = 0; - sqlite3WalkExpr(&w, pCol->pDflt); + sqlite3WalkExpr(&w, sqlite3ColumnExpr(pTab, pCol)); pCol->colFlags &= ~COLFLAG_BUSY; if( w.eCode & COLFLAG_NOTAVAIL ){ pRedo = pCol; @@ -120854,13 +131162,13 @@ SQLITE_PRIVATE void sqlite3ComputeGeneratedColumns( eProgress = 1; assert( pCol->colFlags & COLFLAG_GENERATED ); x = sqlite3TableColumnToStorage(pTab, i) + iRegStore; - sqlite3ExprCodeGeneratedColumn(pParse, pCol, x); + sqlite3ExprCodeGeneratedColumn(pParse, pTab, pCol, x); pCol->colFlags &= ~COLFLAG_NOTAVAIL; } } }while( pRedo && eProgress ); if( pRedo ){ - sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", pRedo->zName); + sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", pRedo->zCnName); } pParse->iSelfTab = 0; } @@ -120910,7 +131218,7 @@ static int autoIncBegin( ** Ticket d8dc2b3a58cd5dc2918a1d4acb 2018-05-23 */ if( pSeqTab==0 || !HasRowid(pSeqTab) - || IsVirtual(pSeqTab) + || NEVER(IsVirtual(pSeqTab)) || pSeqTab->nCol!=2 ){ pParse->nErr++; @@ -120922,7 +131230,9 @@ static int autoIncBegin( while( pInfo && pInfo->pTab!=pTab ){ pInfo = pInfo->pNext; } if( pInfo==0 ){ pInfo = sqlite3DbMallocRawNN(pParse->db, sizeof(*pInfo)); - if( pInfo==0 ) return 0; + sqlite3ParserAddCleanup(pToplevel, sqlite3DbFree, pInfo); + testcase( pParse->earlyCleanup ); + if( pParse->db->mallocFailed ) return 0; pInfo->pNext = pToplevel->pAinc; pToplevel->pAinc = pInfo; pInfo->pTab = pTab; @@ -121217,9 +131527,11 @@ SQLITE_PRIVATE void sqlite3Insert( #endif db = pParse->db; - if( pParse->nErr || db->mallocFailed ){ + assert( db->pParse==pParse ); + if( pParse->nErr ){ goto insert_cleanup; } + assert( db->mallocFailed==0 ); dest.iSDParm = 0; /* Suppress a harmless compiler warning */ /* If the Select object is really just a simple VALUES() list with a @@ -121253,7 +131565,7 @@ SQLITE_PRIVATE void sqlite3Insert( */ #ifndef SQLITE_OMIT_TRIGGER pTrigger = sqlite3TriggersExist(pParse, pTab, TK_INSERT, 0, &tmask); - isView = pTab->pSelect!=0; + isView = IsView(pTab); #else # define pTrigger 0 # define tmask 0 @@ -121265,6 +131577,14 @@ SQLITE_PRIVATE void sqlite3Insert( #endif assert( (pTrigger && tmask) || (pTrigger==0 && tmask==0) ); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x10000 ){ + sqlite3TreeViewLine(0, "In sqlite3Insert() at %s:%d", __FILE__, __LINE__); + sqlite3TreeViewInsert(pParse->pWith, pTabList, pColumn, pSelect, pList, + onError, pUpsert, pTrigger); + } +#endif + /* If pTab is really a view, make sure it has been initialized. ** ViewGetColumnNames() is a no-op if pTab is not a view. */ @@ -121274,7 +131594,7 @@ SQLITE_PRIVATE void sqlite3Insert( /* Cannot insert into a read-only table. */ - if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto insert_cleanup; } @@ -121295,7 +131615,11 @@ SQLITE_PRIVATE void sqlite3Insert( ** ** This is the 2nd template. */ - if( pColumn==0 && xferOptimization(pParse, pTab, pSelect, onError, iDb) ){ + if( pColumn==0 + && pSelect!=0 + && pTrigger==0 + && xferOptimization(pParse, pTab, pSelect, onError, iDb) + ){ assert( !pTrigger ); assert( pList==0 ); goto insert_end; @@ -121339,13 +131663,15 @@ SQLITE_PRIVATE void sqlite3Insert( */ bIdListInOrder = (pTab->tabFlags & (TF_OOOHidden|TF_HasStored))==0; if( pColumn ){ + assert( pColumn->eU4!=EU4_EXPR ); + pColumn->eU4 = EU4_IDX; for(i=0; inId; i++){ - pColumn->a[i].idx = -1; + pColumn->a[i].u4.idx = -1; } for(i=0; inId; i++){ for(j=0; jnCol; j++){ - if( sqlite3StrICmp(pColumn->a[i].zName, pTab->aCol[j].zName)==0 ){ - pColumn->a[i].idx = j; + if( sqlite3StrICmp(pColumn->a[i].zName, pTab->aCol[j].zCnName)==0 ){ + pColumn->a[i].u4.idx = j; if( i!=j ) bIdListInOrder = 0; if( j==pTab->iPKey ){ ipkColumn = i; assert( !withoutRowid ); @@ -121354,7 +131680,7 @@ SQLITE_PRIVATE void sqlite3Insert( if( pTab->aCol[j].colFlags & (COLFLAG_STORED|COLFLAG_VIRTUAL) ){ sqlite3ErrorMsg(pParse, "cannot INSERT into generated column \"%s\"", - pTab->aCol[j].zName); + pTab->aCol[j].zCnName); goto insert_cleanup; } #endif @@ -121367,7 +131693,7 @@ SQLITE_PRIVATE void sqlite3Insert( bIdListInOrder = 0; }else{ sqlite3ErrorMsg(pParse, "table %S has no column named %s", - pTabList, 0, pColumn->a[i].zName); + pTabList->a, pColumn->a[i].zName); pParse->checkSchema = 1; goto insert_cleanup; } @@ -121395,7 +131721,9 @@ SQLITE_PRIVATE void sqlite3Insert( dest.nSdst = pTab->nCol; rc = sqlite3Select(pParse, pSelect, &dest); regFromSelect = dest.iSdst; - if( rc || db->mallocFailed || pParse->nErr ) goto insert_cleanup; + assert( db->pParse==pParse ); + if( rc || pParse->nErr ) goto insert_cleanup; + assert( db->mallocFailed==0 ); sqlite3VdbeEndCoroutine(v, regYield); sqlite3VdbeJumpHere(v, addrTop - 1); /* label B: */ assert( pSelect->pEList ); @@ -121480,19 +131808,24 @@ SQLITE_PRIVATE void sqlite3Insert( } } #endif - } - /* Make sure the number of columns in the source data matches the number - ** of columns to be inserted into the table. - */ - for(i=0; inCol; i++){ - if( pTab->aCol[i].colFlags & COLFLAG_NOINSERT ) nHidden++; - } - if( pColumn==0 && nColumn && nColumn!=(pTab->nCol-nHidden) ){ - sqlite3ErrorMsg(pParse, - "table %S has %d columns but %d values were supplied", - pTabList, 0, pTab->nCol-nHidden, nColumn); - goto insert_cleanup; + /* Make sure the number of columns in the source data matches the number + ** of columns to be inserted into the table. + */ + assert( TF_HasHidden==COLFLAG_HIDDEN ); + assert( TF_HasGenerated==COLFLAG_GENERATED ); + assert( COLFLAG_NOINSERT==(COLFLAG_GENERATED|COLFLAG_HIDDEN) ); + if( (pTab->tabFlags & (TF_HasGenerated|TF_HasHidden))!=0 ){ + for(i=0; inCol; i++){ + if( pTab->aCol[i].colFlags & COLFLAG_NOINSERT ) nHidden++; + } + } + if( nColumn!=(pTab->nCol-nHidden) ){ + sqlite3ErrorMsg(pParse, + "table %S has %d columns but %d values were supplied", + pTabList->a, pTab->nCol-nHidden, nColumn); + goto insert_cleanup; + } } if( pColumn!=0 && nColumn!=pColumn->nId ){ sqlite3ErrorMsg(pParse, "%d values for %d columns", nColumn, pColumn->nId); @@ -121504,6 +131837,7 @@ SQLITE_PRIVATE void sqlite3Insert( if( (db->flags & SQLITE_CountRows)!=0 && !pParse->nested && !pParse->pTriggerTab + && !pParse->bReturning ){ regRowCount = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Integer, 0, regRowCount); @@ -121527,12 +131861,13 @@ SQLITE_PRIVATE void sqlite3Insert( } #ifndef SQLITE_OMIT_UPSERT if( pUpsert ){ + Upsert *pNx; if( IsVirtual(pTab) ){ sqlite3ErrorMsg(pParse, "UPSERT not implemented for virtual table \"%s\"", pTab->zName); goto insert_cleanup; } - if( pTab->pSelect ){ + if( IsView(pTab) ){ sqlite3ErrorMsg(pParse, "cannot UPSERT a view"); goto insert_cleanup; } @@ -121540,13 +131875,19 @@ SQLITE_PRIVATE void sqlite3Insert( goto insert_cleanup; } pTabList->a[0].iCursor = iDataCur; - pUpsert->pUpsertSrc = pTabList; - pUpsert->regData = regData; - pUpsert->iDataCur = iDataCur; - pUpsert->iIdxCur = iIdxCur; - if( pUpsert->pUpsertTarget ){ - sqlite3UpsertAnalyzeTarget(pParse, pTabList, pUpsert); - } + pNx = pUpsert; + do{ + pNx->pUpsertSrc = pTabList; + pNx->regData = regData; + pNx->iDataCur = iDataCur; + pNx->iIdxCur = iIdxCur; + if( pNx->pUpsertTarget ){ + if( sqlite3UpsertAnalyzeTarget(pParse, pTabList, pNx) ){ + goto insert_cleanup; + } + } + pNx = pNx->pNextUpsert; + }while( pNx!=0 ); } #endif @@ -121625,22 +131966,29 @@ SQLITE_PRIVATE void sqlite3Insert( }else if( pColumn==0 ){ /* Hidden columns that are not explicitly named in the INSERT ** get there default value */ - sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + sqlite3ExprCodeFactorable(pParse, + sqlite3ColumnExpr(pTab, &pTab->aCol[i]), + iRegStore); continue; } } if( pColumn ){ - for(j=0; jnId && pColumn->a[j].idx!=i; j++){} + assert( pColumn->eU4==EU4_IDX ); + for(j=0; jnId && pColumn->a[j].u4.idx!=i; j++){} if( j>=pColumn->nId ){ /* A column not named in the insert column list gets its ** default value */ - sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + sqlite3ExprCodeFactorable(pParse, + sqlite3ColumnExpr(pTab, &pTab->aCol[i]), + iRegStore); continue; } k = j; }else if( nColumn==0 ){ /* This is INSERT INTO ... DEFAULT VALUES. Load the default value. */ - sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + sqlite3ExprCodeFactorable(pParse, + sqlite3ColumnExpr(pTab, &pTab->aCol[i]), + iRegStore); continue; }else{ k = i - nHidden; @@ -121653,7 +132001,12 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3VdbeAddOp2(v, OP_SCopy, regFromSelect+k, iRegStore); } }else{ - sqlite3ExprCode(pParse, pList->a[k].pExpr, iRegStore); + Expr *pX = pList->a[k].pExpr; + int y = sqlite3ExprCodeTarget(pParse, pX, iRegStore); + if( y!=iRegStore ){ + sqlite3VdbeAddOp2(v, + ExprHasProperty(pX, EP_Subquery) ? OP_Copy : OP_SCopy, y, iRegStore); + } } } @@ -121687,13 +132040,8 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3VdbeAddOp1(v, OP_MustBeInt, regCols); VdbeCoverage(v); } - /* Cannot have triggers on a virtual table. If it were possible, - ** this block would have to account for hidden column. - */ - assert( !IsVirtual(pTab) ); - /* Copy the new data already generated. */ - assert( pTab->nNVCol>0 ); + assert( pTab->nNVCol>0 || pParse->nErr>0 ); sqlite3VdbeAddOp3(v, OP_Copy, regRowid+1, regCols+1, pTab->nNVCol-1); #ifndef SQLITE_OMIT_GENERATED_COLUMNS @@ -121790,12 +132138,14 @@ SQLITE_PRIVATE void sqlite3Insert( }else #endif { - int isReplace; /* Set to true if constraints may cause a replace */ + int isReplace = 0;/* Set to true if constraints may cause a replace */ int bUseSeek; /* True to use OPFLAG_SEEKRESULT */ sqlite3GenerateConstraintChecks(pParse, pTab, aRegIdx, iDataCur, iIdxCur, regIns, 0, ipkColumn>=0, onError, endOfLoop, &isReplace, 0, pUpsert ); - sqlite3FkCheck(pParse, pTab, 0, regIns, 0, 0); + if( db->flags & SQLITE_ForeignKeys ){ + sqlite3FkCheck(pParse, pTab, 0, regIns, 0, 0); + } /* Set the OPFLAG_USESEEKRESULT flag if either (a) there are no REPLACE ** constraints or (b) there are no triggers and this table is not a @@ -121810,6 +132160,13 @@ SQLITE_PRIVATE void sqlite3Insert( regIns, aRegIdx, 0, appendFlag, bUseSeek ); } +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + }else if( pParse->bReturning ){ + /* If there is a RETURNING clause, populate the rowid register with + ** constant value -1, in case one or more of the returned expressions + ** refer to the "rowid" of the view. */ + sqlite3VdbeAddOp2(v, OP_Integer, -1, regRowid); +#endif } /* Update the count of rows that are inserted @@ -121846,7 +132203,9 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3VdbeJumpHere(v, addrInsTop); } +#ifndef SQLITE_OMIT_XFER_OPT insert_end: +#endif /* SQLITE_OMIT_XFER_OPT */ /* Update the sqlite_sequence table by storing the content of the ** maximum rowid counter values recorded while inserting into ** autoincrement tables. @@ -121861,9 +132220,7 @@ SQLITE_PRIVATE void sqlite3Insert( ** invoke the callback function. */ if( regRowCount ){ - sqlite3VdbeAddOp2(v, OP_ResultRow, regRowCount, 1); - sqlite3VdbeSetNumCols(v, 1); - sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows inserted", SQLITE_STATIC); + sqlite3CodeChangeCount(v, regRowCount, "rows inserted"); } insert_cleanup: @@ -121872,7 +132229,7 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3UpsertDelete(db, pUpsert); sqlite3SelectDelete(db, pSelect); sqlite3IdListDelete(db, pColumn); - sqlite3DbFree(db, aRegIdx); + if( aRegIdx ) sqlite3DbNNFreeNN(db, aRegIdx); } /* Make sure "isView" and other macros defined above are undefined. Otherwise @@ -121898,7 +132255,7 @@ SQLITE_PRIVATE void sqlite3Insert( /* This is the Walker callback from sqlite3ExprReferencesUpdatedColumn(). * Set bit 0x01 of pWalker->eCode if pWalker->eCode to 0 and if this ** expression node references any of the -** columns that are being modifed by an UPDATE statement. +** columns that are being modified by an UPDATE statement. */ static int checkConstraintExprNode(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_COLUMN ){ @@ -121951,6 +132308,70 @@ SQLITE_PRIVATE int sqlite3ExprReferencesUpdatedColumn( return w.eCode!=0; } +/* +** The sqlite3GenerateConstraintChecks() routine usually wants to visit +** the indexes of a table in the order provided in the Table->pIndex list. +** However, sometimes (rarely - when there is an upsert) it wants to visit +** the indexes in a different order. The following data structures accomplish +** this. +** +** The IndexIterator object is used to walk through all of the indexes +** of a table in either Index.pNext order, or in some other order established +** by an array of IndexListTerm objects. +*/ +typedef struct IndexListTerm IndexListTerm; +typedef struct IndexIterator IndexIterator; +struct IndexIterator { + int eType; /* 0 for Index.pNext list. 1 for an array of IndexListTerm */ + int i; /* Index of the current item from the list */ + union { + struct { /* Use this object for eType==0: A Index.pNext list */ + Index *pIdx; /* The current Index */ + } lx; + struct { /* Use this object for eType==1; Array of IndexListTerm */ + int nIdx; /* Size of the array */ + IndexListTerm *aIdx; /* Array of IndexListTerms */ + } ax; + } u; +}; + +/* When IndexIterator.eType==1, then each index is an array of instances +** of the following object +*/ +struct IndexListTerm { + Index *p; /* The index */ + int ix; /* Which entry in the original Table.pIndex list is this index*/ +}; + +/* Return the first index on the list */ +static Index *indexIteratorFirst(IndexIterator *pIter, int *pIx){ + assert( pIter->i==0 ); + if( pIter->eType ){ + *pIx = pIter->u.ax.aIdx[0].ix; + return pIter->u.ax.aIdx[0].p; + }else{ + *pIx = 0; + return pIter->u.lx.pIdx; + } +} + +/* Return the next index from the list. Return NULL when out of indexes */ +static Index *indexIteratorNext(IndexIterator *pIter, int *pIx){ + if( pIter->eType ){ + int i = ++pIter->i; + if( i>=pIter->u.ax.nIdx ){ + *pIx = i; + return 0; + } + *pIx = pIter->u.ax.aIdx[i].ix; + return pIter->u.ax.aIdx[i].p; + }else{ + ++(*pIx); + pIter->u.lx.pIdx = pIter->u.lx.pIdx->pNext; + return pIter->u.lx.pIdx; + } +} + /* ** Generate code to do constraint checks prior to an INSERT or an UPDATE ** on table pTab. @@ -122057,9 +132478,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int *aiChng, /* column i is unchanged if aiChng[i]<0 */ Upsert *pUpsert /* ON CONFLICT clauses, if any. NULL otherwise */ ){ - Vdbe *v; /* VDBE under constrution */ + Vdbe *v; /* VDBE under construction */ Index *pIdx; /* Pointer to one of the indices */ - Index *pPk = 0; /* The PRIMARY KEY index */ + Index *pPk = 0; /* The PRIMARY KEY index for WITHOUT ROWID tables */ sqlite3 *db; /* Database connection */ int i; /* loop counter */ int ix; /* Index loop counter */ @@ -122067,11 +132488,11 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int onError; /* Conflict resolution strategy */ int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */ int nPkField; /* Number of fields in PRIMARY KEY. 1 for ROWID tables */ - Index *pUpIdx = 0; /* Index to which to apply the upsert */ - u8 isUpdate; /* True if this is an UPDATE operation */ + Upsert *pUpsertClause = 0; /* The specific ON CONFLICT clause for pIdx */ + u8 isUpdate; /* True if this is an UPDATE operation */ u8 bAffinityDone = 0; /* True if the OP_Affinity operation has been run */ - int upsertBypass = 0; /* Address of Goto to bypass upsert subroutine */ - int upsertJump = 0; /* Address of Goto that jumps into upsert subroutine */ + int upsertIpkReturn = 0; /* Address of Goto at end of IPK uniqueness check */ + int upsertIpkDelay = 0; /* Address of Goto to bypass initial IPK check */ int ipkTop = 0; /* Top of the IPK uniqueness check */ int ipkBottom = 0; /* OP_Goto at the end of the IPK uniqueness check */ /* Variables associated with retesting uniqueness constraints after @@ -122081,12 +132502,13 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int lblRecheckOk = 0; /* Each recheck jumps to this label if it passes */ Trigger *pTrigger; /* List of DELETE triggers on the table pTab */ int nReplaceTrig = 0; /* Number of replace triggers coded */ + IndexIterator sIdxIter; /* Index iterator */ isUpdate = regOldData!=0; db = pParse->db; - v = sqlite3GetVdbe(pParse); + v = pParse->pVdbe; assert( v!=0 ); - assert( pTab->pSelect==0 ); /* This table is not a VIEW */ + assert( !IsView(pTab) ); /* This table is not a VIEW */ nCol = pTab->nCol; /* pPk is the PRIMARY KEY index for WITHOUT ROWID tables and NULL for @@ -122137,7 +132559,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( } if( onError==OE_Replace ){ if( b2ndPass /* REPLACE becomes ABORT on the 2nd pass */ - || pCol->pDflt==0 /* REPLACE is ABORT if no DEFAULT value */ + || pCol->iDflt==0 /* REPLACE is ABORT if no DEFAULT value */ ){ testcase( pCol->colFlags & COLFLAG_VIRTUAL ); testcase( pCol->colFlags & COLFLAG_STORED ); @@ -122159,7 +132581,8 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( VdbeCoverage(v); assert( (pCol->colFlags & COLFLAG_GENERATED)==0 ); nSeenReplace++; - sqlite3ExprCodeCopy(pParse, pCol->pDflt, iReg); + sqlite3ExprCodeCopy(pParse, + sqlite3ColumnExpr(pTab, pCol), iReg); sqlite3VdbeJumpHere(v, addr1); break; } @@ -122169,7 +132592,8 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( case OE_Rollback: case OE_Fail: { char *zMsg = sqlite3MPrintf(db, "%s.%s", pTab->zName, - pCol->zName); + pCol->zCnName); + testcase( zMsg==0 && db->mallocFailed==0 ); sqlite3VdbeAddOp3(v, OP_HaltIfNull, SQLITE_CONSTRAINT_NOTNULL, onError, iReg); sqlite3VdbeAppendP4(v, zMsg, P4_DYNAMIC); @@ -122238,7 +132662,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( sqlite3VdbeGoto(v, ignoreDest); }else{ char *zName = pCheck->a[i].zEName; - if( zName==0 ) zName = pTab->zName; + assert( zName!=0 || pParse->db->mallocFailed ); if( onError==OE_Replace ) onError = OE_Abort; /* IMP: R-26383-51744 */ sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_CHECK, onError, zName, P4_TRANSIENT, @@ -122278,19 +132702,63 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** list of indexes attached to a table puts all OE_Replace indexes last ** in the list. See sqlite3CreateIndex() for where that happens. */ - + sIdxIter.eType = 0; + sIdxIter.i = 0; + sIdxIter.u.ax.aIdx = 0; /* Silence harmless compiler warning */ + sIdxIter.u.lx.pIdx = pTab->pIndex; if( pUpsert ){ if( pUpsert->pUpsertTarget==0 ){ - /* An ON CONFLICT DO NOTHING clause, without a constraint-target. - ** Make all unique constraint resolution be OE_Ignore */ - assert( pUpsert->pUpsertSet==0 ); - overrideError = OE_Ignore; - pUpsert = 0; - }else if( (pUpIdx = pUpsert->pUpsertIdx)!=0 ){ - /* If the constraint-target uniqueness check must be run first. - ** Jump to that uniqueness check now */ - upsertJump = sqlite3VdbeAddOp0(v, OP_Goto); - VdbeComment((v, "UPSERT constraint goes first")); + /* There is just on ON CONFLICT clause and it has no constraint-target */ + assert( pUpsert->pNextUpsert==0 ); + if( pUpsert->isDoUpdate==0 ){ + /* A single ON CONFLICT DO NOTHING clause, without a constraint-target. + ** Make all unique constraint resolution be OE_Ignore */ + overrideError = OE_Ignore; + pUpsert = 0; + }else{ + /* A single ON CONFLICT DO UPDATE. Make all resolutions OE_Update */ + overrideError = OE_Update; + } + }else if( pTab->pIndex!=0 ){ + /* Otherwise, we'll need to run the IndexListTerm array version of the + ** iterator to ensure that all of the ON CONFLICT conditions are + ** checked first and in order. */ + int nIdx, jj; + u64 nByte; + Upsert *pTerm; + u8 *bUsed; + for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){ + assert( aRegIdx[nIdx]>0 ); + } + sIdxIter.eType = 1; + sIdxIter.u.ax.nIdx = nIdx; + nByte = (sizeof(IndexListTerm)+1)*nIdx + nIdx; + sIdxIter.u.ax.aIdx = sqlite3DbMallocZero(db, nByte); + if( sIdxIter.u.ax.aIdx==0 ) return; /* OOM */ + bUsed = (u8*)&sIdxIter.u.ax.aIdx[nIdx]; + pUpsert->pToFree = sIdxIter.u.ax.aIdx; + for(i=0, pTerm=pUpsert; pTerm; pTerm=pTerm->pNextUpsert){ + if( pTerm->pUpsertTarget==0 ) break; + if( pTerm->pUpsertIdx==0 ) continue; /* Skip ON CONFLICT for the IPK */ + jj = 0; + pIdx = pTab->pIndex; + while( ALWAYS(pIdx!=0) && pIdx!=pTerm->pUpsertIdx ){ + pIdx = pIdx->pNext; + jj++; + } + if( bUsed[jj] ) continue; /* Duplicate ON CONFLICT clause ignored */ + bUsed[jj] = 1; + sIdxIter.u.ax.aIdx[i].p = pIdx; + sIdxIter.u.ax.aIdx[i].ix = jj; + i++; + } + for(jj=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, jj++){ + if( bUsed[jj] ) continue; + sIdxIter.u.ax.aIdx[i].p = pIdx; + sIdxIter.u.ax.aIdx[i].ix = jj; + i++; + } + assert( i==nIdx ); } } @@ -122353,11 +132821,20 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( } /* figure out whether or not upsert applies in this case */ - if( pUpsert && pUpsert->pUpsertIdx==0 ){ - if( pUpsert->pUpsertSet==0 ){ - onError = OE_Ignore; /* DO NOTHING is the same as INSERT OR IGNORE */ - }else{ - onError = OE_Update; /* DO UPDATE */ + if( pUpsert ){ + pUpsertClause = sqlite3UpsertOfIndex(pUpsert,0); + if( pUpsertClause!=0 ){ + if( pUpsertClause->isDoUpdate==0 ){ + onError = OE_Ignore; /* DO NOTHING is the same as INSERT OR IGNORE */ + }else{ + onError = OE_Update; /* DO UPDATE */ + } + } + if( pUpsertClause!=pUpsert ){ + /* The first ON CONFLICT clause has a conflict target other than + ** the IPK. We have to jump ahead to that first ON CONFLICT clause + ** and then come back here and deal with the IPK afterwards */ + upsertIpkDelay = sqlite3VdbeAddOp0(v, OP_Goto); } } @@ -122367,8 +132844,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** the UNIQUE constraints have run. */ if( onError==OE_Replace /* IPK rule is REPLACE */ - && onError!=overrideError /* Rules for other contraints are different */ + && onError!=overrideError /* Rules for other constraints are different */ && pTab->pIndex /* There exist other constraints */ + && !upsertIpkDelay /* IPK check already deferred by UPSERT */ ){ ipkTop = sqlite3VdbeAddOp0(v, OP_Goto)+1; VdbeComment((v, "defer IPK REPLACE until last")); @@ -122464,7 +132942,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( } } sqlite3VdbeResolveLabel(v, addrRowidOk); - if( ipkTop ){ + if( pUpsert && pUpsertClause!=pUpsert ){ + upsertIpkReturn = sqlite3VdbeAddOp0(v, OP_Goto); + }else if( ipkTop ){ ipkBottom = sqlite3VdbeAddOp0(v, OP_Goto); sqlite3VdbeJumpHere(v, ipkTop-1); } @@ -122477,23 +132957,25 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** This loop also handles the case of the PRIMARY KEY index for a ** WITHOUT ROWID table. */ - for(ix=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, ix++){ - int regIdx; /* Range of registers hold conent for pIdx */ + for(pIdx = indexIteratorFirst(&sIdxIter, &ix); + pIdx; + pIdx = indexIteratorNext(&sIdxIter, &ix) + ){ + int regIdx; /* Range of registers holding content for pIdx */ int regR; /* Range of registers holding conflicting PK */ int iThisCur; /* Cursor for this UNIQUE index */ int addrUniqueOk; /* Jump here if the UNIQUE constraint is satisfied */ int addrConflictCk; /* First opcode in the conflict check logic */ if( aRegIdx[ix]==0 ) continue; /* Skip indices that do not change */ - if( pUpIdx==pIdx ){ - addrUniqueOk = upsertJump+1; - upsertBypass = sqlite3VdbeGoto(v, 0); - VdbeComment((v, "Skip upsert subroutine")); - sqlite3VdbeJumpHere(v, upsertJump); - }else{ - addrUniqueOk = sqlite3VdbeMakeLabel(pParse); + if( pUpsert ){ + pUpsertClause = sqlite3UpsertOfIndex(pUpsert, pIdx); + if( upsertIpkDelay && pUpsertClause==pUpsert ){ + sqlite3VdbeJumpHere(v, upsertIpkDelay); + } } - if( bAffinityDone==0 && (pUpIdx==0 || pUpIdx==pIdx) ){ + addrUniqueOk = sqlite3VdbeMakeLabel(pParse); + if( bAffinityDone==0 ){ sqlite3TableAffinity(v, pTab, regNewData+1); bAffinityDone = 1; } @@ -122530,7 +133012,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( testcase( sqlite3TableColumnToStorage(pTab, iField)!=iField ); x = sqlite3TableColumnToStorage(pTab, iField) + regNewData + 1; sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i); - VdbeComment((v, "%s", pTab->aCol[iField].zName)); + VdbeComment((v, "%s", pTab->aCol[iField].zCnName)); } } sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]); @@ -122564,8 +133046,8 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( } /* Figure out if the upsert clause applies to this index */ - if( pUpIdx==pIdx ){ - if( pUpsert->pUpsertSet==0 ){ + if( pUpsertClause ){ + if( pUpsertClause->isDoUpdate==0 ){ onError = OE_Ignore; /* DO NOTHING is the same as INSERT OR IGNORE */ }else{ onError = OE_Update; /* DO UPDATE */ @@ -122582,6 +133064,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** This is not possible for ENABLE_PREUPDATE_HOOK builds, as the row ** must be explicitly deleted in order to ensure any pre-update hook ** is invoked. */ + assert( IsOrdinaryTable(pTab) ); #ifndef SQLITE_ENABLE_PREUPDATE_HOOK if( (ix==0 && pIdx->pNext==0) /* Condition 3 */ && pPk==pIdx /* Condition 2 */ @@ -122589,7 +133072,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( && ( 0==(db->flags&SQLITE_RecTriggers) || /* Condition 4 */ 0==sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0)) && ( 0==(db->flags&SQLITE_ForeignKeys) || /* Condition 5 */ - (0==pTab->pFKey && 0==sqlite3FkReferences(pTab))) + (0==pTab->u.tab.pFKey && 0==sqlite3FkReferences(pTab))) ){ sqlite3VdbeResolveLabel(v, addrUniqueOk); continue; @@ -122603,7 +133086,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( regIdx, pIdx->nKeyCol); VdbeCoverage(v); /* Generate code to handle collisions */ - regR = (pIdx==pPk) ? regIdx : sqlite3GetTempRange(pParse, nPkField); + regR = pIdx==pPk ? regIdx : sqlite3GetTempRange(pParse, nPkField); if( isUpdate || onError==OE_Replace ){ if( HasRowid(pTab) ){ sqlite3VdbeAddOp2(v, OP_IdxRowid, iThisCur, regR); @@ -122624,13 +133107,13 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( x = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[i]); sqlite3VdbeAddOp3(v, OP_Column, iThisCur, x, regR+i); VdbeComment((v, "%s.%s", pTab->zName, - pTab->aCol[pPk->aiColumn[i]].zName)); + pTab->aCol[pPk->aiColumn[i]].zCnName)); } } if( isUpdate ){ /* If currently processing the PRIMARY KEY of a WITHOUT ROWID ** table, only conflict if the new PRIMARY KEY values are actually - ** different from the old. + ** different from the old. See TH3 withoutrowid04.test. ** ** For a UNIQUE index, only conflict if the PRIMARY KEY values ** of the matched index row are different from the original PRIMARY @@ -122688,7 +133171,8 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( assert( onError==OE_Replace ); nConflictCk = sqlite3VdbeCurrentAddr(v) - addrConflictCk; - assert( nConflictCk>0 ); + assert( nConflictCk>0 || db->mallocFailed ); + testcase( nConflictCk<=0 ); testcase( nConflictCk>1 ); if( regTrigCnt ){ sqlite3MultiWrite(pParse); @@ -122755,19 +133239,23 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( break; } } - if( pUpIdx==pIdx ){ - sqlite3VdbeGoto(v, upsertJump+1); - sqlite3VdbeJumpHere(v, upsertBypass); - }else{ - sqlite3VdbeResolveLabel(v, addrUniqueOk); - } + sqlite3VdbeResolveLabel(v, addrUniqueOk); if( regR!=regIdx ) sqlite3ReleaseTempRange(pParse, regR, nPkField); + if( pUpsertClause + && upsertIpkReturn + && sqlite3UpsertNextIsIPK(pUpsertClause) + ){ + sqlite3VdbeGoto(v, upsertIpkDelay+1); + sqlite3VdbeJumpHere(v, upsertIpkReturn); + upsertIpkReturn = 0; + } } /* If the IPK constraint is a REPLACE, run it last */ if( ipkTop ){ sqlite3VdbeGoto(v, ipkTop); VdbeComment((v, "Do IPK REPLACE")); + assert( ipkBottom>0 ); sqlite3VdbeJumpHere(v, ipkBottom); } @@ -122820,13 +133308,39 @@ SQLITE_PRIVATE void sqlite3SetMakeRecordP5(Vdbe *v, Table *pTab){ if( pTab->pSchema->file_format<2 ) return; for(i=pTab->nCol-1; i>0; i--){ - if( pTab->aCol[i].pDflt!=0 ) break; + if( pTab->aCol[i].iDflt!=0 ) break; if( pTab->aCol[i].colFlags & COLFLAG_PRIMKEY ) break; } sqlite3VdbeChangeP5(v, i+1); } #endif +/* +** Table pTab is a WITHOUT ROWID table that is being written to. The cursor +** number is iCur, and register regData contains the new record for the +** PK index. This function adds code to invoke the pre-update hook, +** if one is registered. +*/ +#ifdef SQLITE_ENABLE_PREUPDATE_HOOK +static void codeWithoutRowidPreupdate( + Parse *pParse, /* Parse context */ + Table *pTab, /* Table being updated */ + int iCur, /* Cursor number for table */ + int regData /* Data containing new record */ +){ + Vdbe *v = pParse->pVdbe; + int r = sqlite3GetTempReg(pParse); + assert( !HasRowid(pTab) ); + assert( 0==(pParse->db->mDbFlags & DBFLAG_Vacuum) || CORRUPT_DB ); + sqlite3VdbeAddOp2(v, OP_Integer, 0, r); + sqlite3VdbeAddOp4(v, OP_Insert, iCur, regData, r, (char*)pTab, P4_TABLE); + sqlite3VdbeChangeP5(v, OPFLAG_ISNOOP); + sqlite3ReleaseTempReg(pParse, r); +} +#else +# define codeWithoutRowidPreupdate(a,b,c,d) +#endif + /* ** This routine generates code to finish the INSERT or UPDATE operation ** that was started by a prior call to sqlite3GenerateConstraintChecks. @@ -122857,9 +133371,9 @@ SQLITE_PRIVATE void sqlite3CompleteInsertion( || update_flags==(OPFLAG_ISUPDATE|OPFLAG_SAVEPOSITION) ); - v = sqlite3GetVdbe(pParse); + v = pParse->pVdbe; assert( v!=0 ); - assert( pTab->pSelect==0 ); /* This table is not a VIEW */ + assert( !IsView(pTab) ); /* This table is not a VIEW */ for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ /* All REPLACE indexes are at the end of the list */ assert( pIdx->onError!=OE_Replace @@ -122872,20 +133386,11 @@ SQLITE_PRIVATE void sqlite3CompleteInsertion( } pik_flags = (useSeekResult ? OPFLAG_USESEEKRESULT : 0); if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){ - assert( pParse->nested==0 ); pik_flags |= OPFLAG_NCHANGE; pik_flags |= (update_flags & OPFLAG_SAVEPOSITION); -#ifdef SQLITE_ENABLE_PREUPDATE_HOOK if( update_flags==0 ){ - int r = sqlite3GetTempReg(pParse); - sqlite3VdbeAddOp2(v, OP_Integer, 0, r); - sqlite3VdbeAddOp4(v, OP_Insert, - iIdxCur+i, aRegIdx[i], r, (char*)pTab, P4_TABLE - ); - sqlite3VdbeChangeP5(v, OPFLAG_ISNOOP); - sqlite3ReleaseTempReg(pParse, r); + codeWithoutRowidPreupdate(pParse, pTab, iIdxCur+i, aRegIdx[i]); } -#endif } sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iIdxCur+i, aRegIdx[i], aRegIdx[i]+1, @@ -122951,29 +133456,32 @@ SQLITE_PRIVATE int sqlite3OpenTableAndIndices( assert( op==OP_OpenRead || op==OP_OpenWrite ); assert( op==OP_OpenWrite || p5==0 ); + assert( piDataCur!=0 ); + assert( piIdxCur!=0 ); if( IsVirtual(pTab) ){ /* This routine is a no-op for virtual tables. Leave the output - ** variables *piDataCur and *piIdxCur uninitialized so that valgrind - ** can detect if they are used by mistake in the caller. */ + ** variables *piDataCur and *piIdxCur set to illegal cursor numbers + ** for improved error detection. */ + *piDataCur = *piIdxCur = -999; return 0; } iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema); - v = sqlite3GetVdbe(pParse); + v = pParse->pVdbe; assert( v!=0 ); if( iBase<0 ) iBase = pParse->nTab; iDataCur = iBase++; - if( piDataCur ) *piDataCur = iDataCur; + *piDataCur = iDataCur; if( HasRowid(pTab) && (aToOpen==0 || aToOpen[0]) ){ sqlite3OpenTable(pParse, iDataCur, iDb, pTab, op); - }else{ + }else if( pParse->db->noSharedCache==0 ){ sqlite3TableLock(pParse, iDb, pTab->tnum, op==OP_OpenWrite, pTab->zName); } - if( piIdxCur ) *piIdxCur = iBase; + *piIdxCur = iBase; for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ int iIdxCur = iBase++; assert( pIdx->pSchema==pTab->pSchema ); if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){ - if( piDataCur ) *piDataCur = iIdxCur; + *piDataCur = iIdxCur; p5 = 0; } if( aToOpen==0 || aToOpen[i+1] ){ @@ -123083,7 +133591,7 @@ static int xferOptimization( ExprList *pEList; /* The result set of the SELECT */ Table *pSrc; /* The table in the FROM clause of SELECT */ Index *pSrcIdx, *pDestIdx; /* Source and destination indices */ - struct SrcList_item *pItem; /* An element of pSelect->pSrc */ + SrcItem *pItem; /* An element of pSelect->pSrc */ int i; /* Loop counter */ int iDbSrc; /* The database of pSrc */ int iSrc, iDest; /* Cursors from source and destination */ @@ -123095,18 +133603,13 @@ static int xferOptimization( int destHasUniqueIdx = 0; /* True if pDest has a UNIQUE index */ int regData, regRowid; /* Registers holding data and rowid */ - if( pSelect==0 ){ - return 0; /* Must be of the form INSERT INTO ... SELECT ... */ - } + assert( pSelect!=0 ); if( pParse->pWith || pSelect->pWith ){ /* Do not attempt to process this query if there are an WITH clauses ** attached to it. Proceeding may generate a false "no such table: xxx" ** error if pSelect reads from a CTE named "xxx". */ return 0; } - if( sqlite3TriggerList(pParse, pDest) ){ - return 0; /* tab1 must not have triggers */ - } #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pDest) ){ return 0; /* tab1 must not be a virtual table */ @@ -123169,13 +133672,8 @@ static int xferOptimization( if( HasRowid(pDest)!=HasRowid(pSrc) ){ return 0; /* source and destination must both be WITHOUT ROWID or not */ } -#ifndef SQLITE_OMIT_VIRTUALTABLE - if( IsVirtual(pSrc) ){ - return 0; /* tab2 must not be a virtual table */ - } -#endif - if( pSrc->pSelect ){ - return 0; /* tab2 may not be a view */ + if( !IsOrdinaryTable(pSrc) ){ + return 0; /* tab2 may not be a view or virtual table */ } if( pDest->nCol!=pSrc->nCol ){ return 0; /* Number of columns must be the same in tab1 and tab2 */ @@ -123183,6 +133681,9 @@ static int xferOptimization( if( pDest->iPKey!=pSrc->iPKey ){ return 0; /* Both tables must have the same INTEGER PRIMARY KEY */ } + if( (pDest->tabFlags & TF_Strict)!=0 && (pSrc->tabFlags & TF_Strict)==0 ){ + return 0; /* Cannot feed from a non-strict into a strict table */ + } for(i=0; inCol; i++){ Column *pDestCol = &pDest->aCol[i]; Column *pSrcCol = &pSrc->aCol[i]; @@ -123219,7 +133720,9 @@ static int xferOptimization( ** This requirement could be relaxed for VIRTUAL columns, I suppose. */ if( (pDestCol->colFlags & COLFLAG_GENERATED)!=0 ){ - if( sqlite3ExprCompare(0, pSrcCol->pDflt, pDestCol->pDflt, -1)!=0 ){ + if( sqlite3ExprCompare(0, + sqlite3ColumnExpr(pSrc, pSrcCol), + sqlite3ColumnExpr(pDest, pDestCol), -1)!=0 ){ testcase( pDestCol->colFlags & COLFLAG_VIRTUAL ); testcase( pDestCol->colFlags & COLFLAG_STORED ); return 0; /* Different generator expressions */ @@ -123229,7 +133732,8 @@ static int xferOptimization( if( pDestCol->affinity!=pSrcCol->affinity ){ return 0; /* Affinity must be the same on all columns */ } - if( sqlite3_stricmp(pDestCol->zColl, pSrcCol->zColl)!=0 ){ + if( sqlite3_stricmp(sqlite3ColumnColl(pDestCol), + sqlite3ColumnColl(pSrcCol))!=0 ){ return 0; /* Collating sequence must be the same on all columns */ } if( pDestCol->notNull && !pSrcCol->notNull ){ @@ -123237,11 +133741,15 @@ static int xferOptimization( } /* Default values for second and subsequent columns need to match. */ if( (pDestCol->colFlags & COLFLAG_GENERATED)==0 && i>0 ){ - assert( pDestCol->pDflt==0 || pDestCol->pDflt->op==TK_SPAN ); - assert( pSrcCol->pDflt==0 || pSrcCol->pDflt->op==TK_SPAN ); - if( (pDestCol->pDflt==0)!=(pSrcCol->pDflt==0) - || (pDestCol->pDflt && strcmp(pDestCol->pDflt->u.zToken, - pSrcCol->pDflt->u.zToken)!=0) + Expr *pDestExpr = sqlite3ColumnExpr(pDest, pDestCol); + Expr *pSrcExpr = sqlite3ColumnExpr(pSrc, pSrcCol); + assert( pDestExpr==0 || pDestExpr->op==TK_SPAN ); + assert( pDestExpr==0 || !ExprHasProperty(pDestExpr, EP_IntValue) ); + assert( pSrcExpr==0 || pSrcExpr->op==TK_SPAN ); + assert( pSrcExpr==0 || !ExprHasProperty(pSrcExpr, EP_IntValue) ); + if( (pDestExpr==0)!=(pSrcExpr==0) + || (pDestExpr!=0 && strcmp(pDestExpr->u.zToken, + pSrcExpr->u.zToken)!=0) ){ return 0; /* Default values must be the same for all columns */ } @@ -123271,14 +133779,15 @@ static int xferOptimization( } #endif #ifndef SQLITE_OMIT_FOREIGN_KEY - /* Disallow the transfer optimization if the destination table constains + /* Disallow the transfer optimization if the destination table contains ** any foreign key constraints. This is more restrictive than necessary. ** But the main beneficiary of the transfer optimization is the VACUUM ** command, and the VACUUM command disables foreign key constraints. So ** the extra complication to make this rule less restrictive is probably ** not worth the effort. Ticket [6284df89debdfa61db8073e062908af0c9b6118e] */ - if( (db->flags & SQLITE_ForeignKeys)!=0 && pDest->pFKey!=0 ){ + assert( IsOrdinaryTable(pDest) ); + if( (db->flags & SQLITE_ForeignKeys)!=0 && pDest->u.tab.pFKey!=0 ){ return 0; } #endif @@ -123300,6 +133809,7 @@ static int xferOptimization( iDest = pParse->nTab++; regAutoinc = autoIncBegin(pParse, iDbDest, pDest); regData = sqlite3GetTempReg(pParse); + sqlite3VdbeAddOp2(v, OP_Null, 0, regData); regRowid = sqlite3GetTempReg(pParse); sqlite3OpenTable(pParse, iDest, iDbDest, pDest, OP_OpenWrite); assert( HasRowid(pDest) || destHasUniqueIdx ); @@ -123335,11 +133845,13 @@ static int xferOptimization( emptySrcTest = sqlite3VdbeAddOp2(v, OP_Rewind, iSrc, 0); VdbeCoverage(v); if( pDest->iPKey>=0 ){ addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid); - sqlite3VdbeVerifyAbortable(v, onError); - addr2 = sqlite3VdbeAddOp3(v, OP_NotExists, iDest, 0, regRowid); - VdbeCoverage(v); - sqlite3RowidConstraint(pParse, onError, pDest); - sqlite3VdbeJumpHere(v, addr2); + if( (db->mDbFlags & DBFLAG_Vacuum)==0 ){ + sqlite3VdbeVerifyAbortable(v, onError); + addr2 = sqlite3VdbeAddOp3(v, OP_NotExists, iDest, 0, regRowid); + VdbeCoverage(v); + sqlite3RowidConstraint(pParse, onError, pDest); + sqlite3VdbeJumpHere(v, addr2); + } autoIncStep(pParse, regAutoinc, regRowid); }else if( pDest->pIndex==0 && !(db->mDbFlags & DBFLAG_VacuumInto) ){ addr1 = sqlite3VdbeAddOp2(v, OP_NewRowid, iDest, regRowid); @@ -123347,16 +133859,28 @@ static int xferOptimization( addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid); assert( (pDest->tabFlags & TF_Autoincrement)==0 ); } + if( db->mDbFlags & DBFLAG_Vacuum ){ sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest); - insFlags = OPFLAG_APPEND|OPFLAG_USESEEKRESULT; + insFlags = OPFLAG_APPEND|OPFLAG_USESEEKRESULT|OPFLAG_PREFORMAT; }else{ - insFlags = OPFLAG_NCHANGE|OPFLAG_LASTROWID|OPFLAG_APPEND; + insFlags = OPFLAG_NCHANGE|OPFLAG_LASTROWID|OPFLAG_APPEND|OPFLAG_PREFORMAT; + } +#ifdef SQLITE_ENABLE_PREUPDATE_HOOK + if( (db->mDbFlags & DBFLAG_Vacuum)==0 ){ + sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); + insFlags &= ~OPFLAG_PREFORMAT; + }else +#endif + { + sqlite3VdbeAddOp3(v, OP_RowCell, iDest, iSrc, regRowid); + } + sqlite3VdbeAddOp3(v, OP_Insert, iDest, regData, regRowid); + if( (db->mDbFlags & DBFLAG_Vacuum)==0 ){ + sqlite3VdbeChangeP4(v, -1, (char*)pDest, P4_TABLE); } - sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); - sqlite3VdbeAddOp4(v, OP_Insert, iDest, regData, regRowid, - (char*)pDest, P4_TABLE); sqlite3VdbeChangeP5(v, insFlags); + sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1); VdbeCoverage(v); sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0); sqlite3VdbeAddOp2(v, OP_Close, iDest, 0); @@ -123398,13 +133922,22 @@ static int xferOptimization( if( sqlite3_stricmp(sqlite3StrBINARY, zColl) ) break; } if( i==pSrcIdx->nColumn ){ - idxInsFlags = OPFLAG_USESEEKRESULT; + idxInsFlags = OPFLAG_USESEEKRESULT|OPFLAG_PREFORMAT; sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest); + sqlite3VdbeAddOp2(v, OP_RowCell, iDest, iSrc); } }else if( !HasRowid(pSrc) && pDestIdx->idxType==SQLITE_IDXTYPE_PRIMARYKEY ){ idxInsFlags |= OPFLAG_NCHANGE; } - sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); + if( idxInsFlags!=(OPFLAG_USESEEKRESULT|OPFLAG_PREFORMAT) ){ + sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); + if( (db->mDbFlags & DBFLAG_Vacuum)==0 + && !HasRowid(pDest) + && IsPrimaryKeyIndex(pDestIdx) + ){ + codeWithoutRowidPreupdate(pParse, pDest, iDest, regData); + } + } sqlite3VdbeAddOp2(v, OP_IdxInsert, iDest, regData); sqlite3VdbeChangeP5(v, idxInsFlags|OPFLAG_APPEND); sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1+1); VdbeCoverage(v); @@ -123926,10 +134459,38 @@ struct sqlite3_api_routines { const char *(*filename_journal)(const char*); const char *(*filename_wal)(const char*); /* Version 3.32.0 and later */ - char *(*create_filename)(const char*,const char*,const char*, + const char *(*create_filename)(const char*,const char*,const char*, int,const char**); - void (*free_filename)(char*); + void (*free_filename)(const char*); sqlite3_file *(*database_file_object)(const char*); + /* Version 3.34.0 and later */ + int (*txn_state)(sqlite3*,const char*); + /* Version 3.36.1 and later */ + sqlite3_int64 (*changes64)(sqlite3*); + sqlite3_int64 (*total_changes64)(sqlite3*); + /* Version 3.37.0 and later */ + int (*autovacuum_pages)(sqlite3*, + unsigned int(*)(void*,const char*,unsigned int,unsigned int,unsigned int), + void*, void(*)(void*)); + /* Version 3.38.0 and later */ + int (*error_offset)(sqlite3*); + int (*vtab_rhs_value)(sqlite3_index_info*,int,sqlite3_value**); + int (*vtab_distinct)(sqlite3_index_info*); + int (*vtab_in)(sqlite3_index_info*,int,int); + int (*vtab_in_first)(sqlite3_value*,sqlite3_value**); + int (*vtab_in_next)(sqlite3_value*,sqlite3_value**); + /* Version 3.39.0 and later */ + int (*deserialize)(sqlite3*,const char*,unsigned char*, + sqlite3_int64,sqlite3_int64,unsigned); + unsigned char *(*serialize)(sqlite3*,const char *,sqlite3_int64*, + unsigned int); + const char *(*db_name)(sqlite3*,int); + /* Version 3.40.0 and later */ + int (*value_encoding)(sqlite3_value*); + /* Version 3.41.0 and later */ + int (*is_interrupted)(sqlite3*); + /* Version 3.43.0 and later */ + int (*stmt_explain)(sqlite3_stmt*,int); }; /* @@ -124234,6 +134795,32 @@ typedef int (*sqlite3_loadext_entry)( #define sqlite3_create_filename sqlite3_api->create_filename #define sqlite3_free_filename sqlite3_api->free_filename #define sqlite3_database_file_object sqlite3_api->database_file_object +/* Version 3.34.0 and later */ +#define sqlite3_txn_state sqlite3_api->txn_state +/* Version 3.36.1 and later */ +#define sqlite3_changes64 sqlite3_api->changes64 +#define sqlite3_total_changes64 sqlite3_api->total_changes64 +/* Version 3.37.0 and later */ +#define sqlite3_autovacuum_pages sqlite3_api->autovacuum_pages +/* Version 3.38.0 and later */ +#define sqlite3_error_offset sqlite3_api->error_offset +#define sqlite3_vtab_rhs_value sqlite3_api->vtab_rhs_value +#define sqlite3_vtab_distinct sqlite3_api->vtab_distinct +#define sqlite3_vtab_in sqlite3_api->vtab_in +#define sqlite3_vtab_in_first sqlite3_api->vtab_in_first +#define sqlite3_vtab_in_next sqlite3_api->vtab_in_next +/* Version 3.39.0 and later */ +#ifndef SQLITE_OMIT_DESERIALIZE +#define sqlite3_deserialize sqlite3_api->deserialize +#define sqlite3_serialize sqlite3_api->serialize +#endif +#define sqlite3_db_name sqlite3_api->db_name +/* Version 3.40.0 and later */ +#define sqlite3_value_encoding sqlite3_api->value_encoding +/* Version 3.41.0 and later */ +#define sqlite3_is_interrupted sqlite3_api->is_interrupted +/* Version 3.43.0 and later */ +#define sqlite3_stmt_explain sqlite3_api->stmt_explain #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) @@ -124716,6 +135303,43 @@ static const sqlite3_api_routines sqlite3Apis = { sqlite3_create_filename, sqlite3_free_filename, sqlite3_database_file_object, + /* Version 3.34.0 and later */ + sqlite3_txn_state, + /* Version 3.36.1 and later */ + sqlite3_changes64, + sqlite3_total_changes64, + /* Version 3.37.0 and later */ + sqlite3_autovacuum_pages, + /* Version 3.38.0 and later */ + sqlite3_error_offset, +#ifndef SQLITE_OMIT_VIRTUALTABLE + sqlite3_vtab_rhs_value, + sqlite3_vtab_distinct, + sqlite3_vtab_in, + sqlite3_vtab_in_first, + sqlite3_vtab_in_next, +#else + 0, + 0, + 0, + 0, + 0, +#endif + /* Version 3.39.0 and later */ +#ifndef SQLITE_OMIT_DESERIALIZE + sqlite3_deserialize, + sqlite3_serialize, +#else + 0, + 0, +#endif + sqlite3_db_name, + /* Version 3.40.0 and later */ + sqlite3_value_encoding, + /* Version 3.41.0 and later */ + sqlite3_is_interrupted, + /* Version 3.43.0 and later */ + sqlite3_stmt_explain }; /* True if x is the directory separator character @@ -124751,7 +135375,7 @@ static int sqlite3LoadExtension( const char *zEntry; char *zAltEntry = 0; void **aHandle; - u64 nMsg = 300 + sqlite3Strlen30(zFile); + u64 nMsg = strlen(zFile); int ii; int rc; @@ -124785,26 +135409,32 @@ static int sqlite3LoadExtension( zEntry = zProc ? zProc : "sqlite3_extension_init"; + /* tag-20210611-1. Some dlopen() implementations will segfault if given + ** an oversize filename. Most filesystems have a pathname limit of 4K, + ** so limit the extension filename length to about twice that. + ** https://sqlite.org/forum/forumpost/08a0d6d9bf + ** + ** Later (2023-03-25): Save an extra 6 bytes for the filename suffix. + ** See https://sqlite.org/forum/forumpost/24083b579d. + */ + if( nMsg>SQLITE_MAX_PATHLEN ) goto extension_not_found; + + /* Do not allow sqlite3_load_extension() to link to a copy of the + ** running application, by passing in an empty filename. */ + if( nMsg==0 ) goto extension_not_found; + handle = sqlite3OsDlOpen(pVfs, zFile); #if SQLITE_OS_UNIX || SQLITE_OS_WIN for(ii=0; iiaExtension[db->nExtension++] = handle; return SQLITE_OK; + +extension_not_found: + if( pzErrMsg ){ + nMsg += 300; + *pzErrMsg = zErrmsg = sqlite3_malloc64(nMsg); + if( zErrmsg ){ + assert( nMsg<0x7fffffff ); /* zErrmsg would be NULL if not so */ + sqlite3_snprintf((int)nMsg, zErrmsg, + "unable to open shared library [%.*s]", SQLITE_MAX_PATHLEN, zFile); + sqlite3OsDlError(pVfs, nMsg-1, zErrmsg); + } + } + return SQLITE_ERROR; } SQLITE_API int sqlite3_load_extension( sqlite3 *db, /* Load the extension into this database connection */ @@ -125168,13 +135812,14 @@ SQLITE_PRIVATE void sqlite3AutoLoadExtensions(sqlite3 *db){ #define PragTyp_SOFT_HEAP_LIMIT 35 #define PragTyp_SYNCHRONOUS 36 #define PragTyp_TABLE_INFO 37 -#define PragTyp_TEMP_STORE 38 -#define PragTyp_TEMP_STORE_DIRECTORY 39 -#define PragTyp_THREADS 40 -#define PragTyp_WAL_AUTOCHECKPOINT 41 -#define PragTyp_WAL_CHECKPOINT 42 -#define PragTyp_LOCK_STATUS 43 -#define PragTyp_STATS 44 +#define PragTyp_TABLE_LIST 38 +#define PragTyp_TEMP_STORE 39 +#define PragTyp_TEMP_STORE_DIRECTORY 40 +#define PragTyp_THREADS 41 +#define PragTyp_WAL_AUTOCHECKPOINT 42 +#define PragTyp_WAL_CHECKPOINT 43 +#define PragTyp_LOCK_STATUS 44 +#define PragTyp_STATS 45 /* Property flags associated with various pragma. */ #define PragFlg_NeedSchema 0x01 /* Force schema load before running */ @@ -125207,45 +135852,51 @@ static const char *const pragCName[] = { /* 13 */ "pk", /* 14 */ "hidden", /* table_info reuses 8 */ - /* 15 */ "seqno", /* Used by: index_xinfo */ - /* 16 */ "cid", - /* 17 */ "name", - /* 18 */ "desc", - /* 19 */ "coll", - /* 20 */ "key", - /* 21 */ "name", /* Used by: function_list */ - /* 22 */ "builtin", - /* 23 */ "type", - /* 24 */ "enc", - /* 25 */ "narg", - /* 26 */ "flags", - /* 27 */ "tbl", /* Used by: stats */ - /* 28 */ "idx", - /* 29 */ "wdth", - /* 30 */ "hght", - /* 31 */ "flgs", - /* 32 */ "seq", /* Used by: index_list */ - /* 33 */ "name", - /* 34 */ "unique", - /* 35 */ "origin", - /* 36 */ "partial", - /* 37 */ "table", /* Used by: foreign_key_check */ - /* 38 */ "rowid", - /* 39 */ "parent", - /* 40 */ "fkid", - /* index_info reuses 15 */ - /* 41 */ "seq", /* Used by: database_list */ - /* 42 */ "name", - /* 43 */ "file", - /* 44 */ "busy", /* Used by: wal_checkpoint */ - /* 45 */ "log", - /* 46 */ "checkpointed", - /* collation_list reuses 32 */ - /* 47 */ "database", /* Used by: lock_status */ - /* 48 */ "status", - /* 49 */ "cache_size", /* Used by: default_cache_size */ + /* 15 */ "schema", /* Used by: table_list */ + /* 16 */ "name", + /* 17 */ "type", + /* 18 */ "ncol", + /* 19 */ "wr", + /* 20 */ "strict", + /* 21 */ "seqno", /* Used by: index_xinfo */ + /* 22 */ "cid", + /* 23 */ "name", + /* 24 */ "desc", + /* 25 */ "coll", + /* 26 */ "key", + /* 27 */ "name", /* Used by: function_list */ + /* 28 */ "builtin", + /* 29 */ "type", + /* 30 */ "enc", + /* 31 */ "narg", + /* 32 */ "flags", + /* 33 */ "tbl", /* Used by: stats */ + /* 34 */ "idx", + /* 35 */ "wdth", + /* 36 */ "hght", + /* 37 */ "flgs", + /* 38 */ "seq", /* Used by: index_list */ + /* 39 */ "name", + /* 40 */ "unique", + /* 41 */ "origin", + /* 42 */ "partial", + /* 43 */ "table", /* Used by: foreign_key_check */ + /* 44 */ "rowid", + /* 45 */ "parent", + /* 46 */ "fkid", + /* index_info reuses 21 */ + /* 47 */ "seq", /* Used by: database_list */ + /* 48 */ "name", + /* 49 */ "file", + /* 50 */ "busy", /* Used by: wal_checkpoint */ + /* 51 */ "log", + /* 52 */ "checkpointed", + /* collation_list reuses 38 */ + /* 53 */ "database", /* Used by: lock_status */ + /* 54 */ "status", + /* 55 */ "cache_size", /* Used by: default_cache_size */ /* module_list pragma_list reuses 9 */ - /* 50 */ "timeout", /* Used by: busy_timeout */ + /* 56 */ "timeout", /* Used by: busy_timeout */ }; /* Definitions of all built-in pragmas */ @@ -125296,7 +135947,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "busy_timeout", /* ePragTyp: */ PragTyp_BUSY_TIMEOUT, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 50, 1, + /* ColNames: */ 56, 1, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "cache_size", @@ -125335,7 +135986,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "collation_list", /* ePragTyp: */ PragTyp_COLLATION_LIST, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 32, 2, + /* ColNames: */ 38, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) @@ -125369,15 +136020,15 @@ static const PragmaName aPragmaName[] = { #if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) {/* zName: */ "database_list", /* ePragTyp: */ PragTyp_DATABASE_LIST, - /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0, - /* ColNames: */ 41, 3, + /* ePragFlg: */ PragFlg_Result0, + /* ColNames: */ 47, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED) {/* zName: */ "default_cache_size", /* ePragTyp: */ PragTyp_DEFAULT_CACHE_SIZE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq|PragFlg_NoColumns1, - /* ColNames: */ 49, 1, + /* ColNames: */ 55, 1, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) @@ -125407,7 +136058,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "foreign_key_check", /* ePragTyp: */ PragTyp_FOREIGN_KEY_CHECK, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 37, 4, + /* ColNames: */ 43, 4, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) @@ -125450,7 +136101,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "function_list", /* ePragTyp: */ PragTyp_FUNCTION_LIST, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 21, 6, + /* ColNames: */ 27, 6, /* iArg: */ 0 }, #endif #endif @@ -125479,23 +136130,23 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "index_info", /* ePragTyp: */ PragTyp_INDEX_INFO, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 15, 3, + /* ColNames: */ 21, 3, /* iArg: */ 0 }, {/* zName: */ "index_list", /* ePragTyp: */ PragTyp_INDEX_LIST, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 32, 5, + /* ColNames: */ 38, 5, /* iArg: */ 0 }, {/* zName: */ "index_xinfo", /* ePragTyp: */ PragTyp_INDEX_INFO, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 15, 6, + /* ColNames: */ 21, 6, /* iArg: */ 1 }, #endif #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "integrity_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif @@ -125529,7 +136180,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "lock_status", /* ePragTyp: */ PragTyp_LOCK_STATUS, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 47, 2, + /* ColNames: */ 53, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) @@ -125603,7 +136254,7 @@ static const PragmaName aPragmaName[] = { #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "quick_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif @@ -125668,7 +136319,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "stats", /* ePragTyp: */ PragTyp_STATS, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq, - /* ColNames: */ 27, 5, + /* ColNames: */ 33, 5, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) @@ -125684,6 +136335,11 @@ static const PragmaName aPragmaName[] = { /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 8, 6, /* iArg: */ 0 }, + {/* zName: */ "table_list", + /* ePragTyp: */ PragTyp_TABLE_LIST, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1, + /* ColNames: */ 15, 6, + /* iArg: */ 0 }, {/* zName: */ "table_xinfo", /* ePragTyp: */ PragTyp_TABLE_INFO, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, @@ -125759,7 +136415,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "wal_checkpoint", /* ePragTyp: */ PragTyp_WAL_CHECKPOINT, /* ePragFlg: */ PragFlg_NeedSchema, - /* ColNames: */ 44, 3, + /* ColNames: */ 50, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) @@ -125770,7 +136426,7 @@ static const PragmaName aPragmaName[] = { /* iArg: */ SQLITE_WriteSchema|SQLITE_NoSchemaError }, #endif }; -/* Number of pragmas: 67 on by default, 77 total. */ +/* Number of pragmas: 68 on by default, 78 total. */ /************** End of pragma.h **********************************************/ /************** Continuing where we left off in pragma.c *********************/ @@ -125876,7 +136532,9 @@ static int getTempStore(const char *z){ static int invalidateTempStorage(Parse *pParse){ sqlite3 *db = pParse->db; if( db->aDb[1].pBt!=0 ){ - if( !db->autoCommit || sqlite3BtreeIsInReadTrans(db->aDb[1].pBt) ){ + if( !db->autoCommit + || sqlite3BtreeTxnState(db->aDb[1].pBt)!=SQLITE_TXN_NONE + ){ sqlite3ErrorMsg(pParse, "temporary storage cannot be changed " "from within a transaction"); return SQLITE_ERROR; @@ -126050,15 +136708,16 @@ static void pragmaFunclistLine( int isBuiltin, /* True if this is a built-in function */ int showInternFuncs /* True if showing internal functions */ ){ + u32 mask = + SQLITE_DETERMINISTIC | + SQLITE_DIRECTONLY | + SQLITE_SUBTYPE | + SQLITE_INNOCUOUS | + SQLITE_FUNC_INTERNAL + ; + if( showInternFuncs ) mask = 0xffffffff; for(; p; p=p->pNext){ const char *zType; - static const u32 mask = - SQLITE_DETERMINISTIC | - SQLITE_DIRECTONLY | - SQLITE_SUBTYPE | - SQLITE_INNOCUOUS | - SQLITE_FUNC_INTERNAL - ; static const char *azEnc[] = { 0, "utf8", "utf16le", "utf16be" }; assert( SQLITE_FUNC_ENCMASK==0x3 ); @@ -126210,7 +136869,11 @@ SQLITE_PRIVATE void sqlite3Pragma( /* Locate the pragma in the lookup table */ pPragma = pragmaLocate(zLeft); - if( pPragma==0 ) goto pragma_out; + if( pPragma==0 ){ + /* IMP: R-43042-22504 No error messages are generated if an + ** unknown pragma is issued. */ + goto pragma_out; + } /* Make sure the database schema is loaded if the pragma requires that */ if( (pPragma->mPragFlg & PragFlg_NeedSchema)!=0 ){ @@ -126546,7 +137209,7 @@ SQLITE_PRIVATE void sqlite3Pragma( */ #ifndef SQLITE_OMIT_AUTOVACUUM case PragTyp_INCREMENTAL_VACUUM: { - int iLimit, addr; + int iLimit = 0, addr; if( zRight==0 || !sqlite3GetInt32(zRight, &iLimit) || iLimit<=0 ){ iLimit = 0x7fffffff; } @@ -126592,7 +137255,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** ** The first form reports the current local setting for the ** page cache spill size. The second form turns cache spill on - ** or off. When turnning cache spill on, the size is set to the + ** or off. When turning cache spill on, the size is set to the ** current cache_size. The third form sets a spill size that ** may be different form the cache size. ** If N is positive then that is the @@ -126703,6 +137366,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** */ case PragTyp_TEMP_STORE_DIRECTORY: { + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); if( !zRight ){ returnSingleText(v, sqlite3_temp_directory); }else{ @@ -126712,6 +137376,7 @@ SQLITE_PRIVATE void sqlite3Pragma( rc = sqlite3OsAccess(db->pVfs, zRight, SQLITE_ACCESS_READWRITE, &res); if( rc!=SQLITE_OK || res==0 ){ sqlite3ErrorMsg(pParse, "not a writable directory"); + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); goto pragma_out; } } @@ -126729,6 +137394,7 @@ SQLITE_PRIVATE void sqlite3Pragma( } #endif /* SQLITE_OMIT_WSD */ } + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); break; } @@ -126747,6 +137413,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** */ case PragTyp_DATA_STORE_DIRECTORY: { + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); if( !zRight ){ returnSingleText(v, sqlite3_data_directory); }else{ @@ -126756,6 +137423,7 @@ SQLITE_PRIVATE void sqlite3Pragma( rc = sqlite3OsAccess(db->pVfs, zRight, SQLITE_ACCESS_READWRITE, &res); if( rc!=SQLITE_OK || res==0 ){ sqlite3ErrorMsg(pParse, "not a writable directory"); + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); goto pragma_out; } } @@ -126767,6 +137435,7 @@ SQLITE_PRIVATE void sqlite3Pragma( } #endif /* SQLITE_OMIT_WSD */ } + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_TEMPDIR)); break; } #endif @@ -126860,6 +137529,14 @@ SQLITE_PRIVATE void sqlite3Pragma( }else{ db->flags &= ~mask; if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0; + if( (mask & SQLITE_WriteSchema)!=0 + && sqlite3_stricmp(zRight, "reset")==0 + ){ + /* IMP: R-60817-01178 If the argument is "RESET" then schema + ** writing is disabled (as with "PRAGMA writable_schema=OFF") and, + ** in addition, the schema is reloaded. */ + sqlite3ResetAllSchemasOfConnection(db); + } } /* Many of the flag-pragmas modify the code generated by the SQL @@ -126900,6 +137577,7 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3ViewGetColumnNames(pParse, pTab); for(i=0, pCol=pTab->aCol; inCol; i++, pCol++){ int isHidden = 0; + const Expr *pColExpr; if( pCol->colFlags & COLFLAG_NOINSERT ){ if( pPragma->iArg==0 ){ nHidden++; @@ -126920,13 +137598,16 @@ SQLITE_PRIVATE void sqlite3Pragma( }else{ for(k=1; k<=pTab->nCol && pPk->aiColumn[k-1]!=i; k++){} } - assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN || isHidden>=2 ); + pColExpr = sqlite3ColumnExpr(pTab,pCol); + assert( pColExpr==0 || pColExpr->op==TK_SPAN || isHidden>=2 ); + assert( pColExpr==0 || !ExprHasProperty(pColExpr, EP_IntValue) + || isHidden>=2 ); sqlite3VdbeMultiLoad(v, 1, pPragma->iArg ? "issisii" : "issisi", i-nHidden, - pCol->zName, + pCol->zCnName, sqlite3ColumnType(pCol,""), pCol->notNull ? 1 : 0, - pCol->pDflt && isHidden<2 ? pCol->pDflt->u.zToken : 0, + (isHidden>=2 || pColExpr==0) ? 0 : pColExpr->u.zToken, k, isHidden); } @@ -126934,6 +137615,85 @@ SQLITE_PRIVATE void sqlite3Pragma( } break; + /* + ** PRAGMA table_list + ** + ** Return a single row for each table, virtual table, or view in the + ** entire schema. + ** + ** schema: Name of attached database hold this table + ** name: Name of the table itself + ** type: "table", "view", "virtual", "shadow" + ** ncol: Number of columns + ** wr: True for a WITHOUT ROWID table + ** strict: True for a STRICT table + */ + case PragTyp_TABLE_LIST: { + int ii; + pParse->nMem = 6; + sqlite3CodeVerifyNamedSchema(pParse, zDb); + for(ii=0; iinDb; ii++){ + HashElem *k; + Hash *pHash; + int initNCol; + if( zDb && sqlite3_stricmp(zDb, db->aDb[ii].zDbSName)!=0 ) continue; + + /* Ensure that the Table.nCol field is initialized for all views + ** and virtual tables. Each time we initialize a Table.nCol value + ** for a table, that can potentially disrupt the hash table, so restart + ** the initialization scan. + */ + pHash = &db->aDb[ii].pSchema->tblHash; + initNCol = sqliteHashCount(pHash); + while( initNCol-- ){ + for(k=sqliteHashFirst(pHash); 1; k=sqliteHashNext(k) ){ + Table *pTab; + if( k==0 ){ initNCol = 0; break; } + pTab = sqliteHashData(k); + if( pTab->nCol==0 ){ + char *zSql = sqlite3MPrintf(db, "SELECT*FROM\"%w\"", pTab->zName); + if( zSql ){ + sqlite3_stmt *pDummy = 0; + (void)sqlite3_prepare(db, zSql, -1, &pDummy, 0); + (void)sqlite3_finalize(pDummy); + sqlite3DbFree(db, zSql); + } + if( db->mallocFailed ){ + sqlite3ErrorMsg(db->pParse, "out of memory"); + db->pParse->rc = SQLITE_NOMEM_BKPT; + } + pHash = &db->aDb[ii].pSchema->tblHash; + break; + } + } + } + + for(k=sqliteHashFirst(pHash); k; k=sqliteHashNext(k) ){ + Table *pTab = sqliteHashData(k); + const char *zType; + if( zRight && sqlite3_stricmp(zRight, pTab->zName)!=0 ) continue; + if( IsView(pTab) ){ + zType = "view"; + }else if( IsVirtual(pTab) ){ + zType = "virtual"; + }else if( pTab->tabFlags & TF_Shadow ){ + zType = "shadow"; + }else{ + zType = "table"; + } + sqlite3VdbeMultiLoad(v, 1, "sssiii", + db->aDb[ii].zDbSName, + sqlite3PreferredTableName(pTab->zName), + zType, + pTab->nCol, + (pTab->tabFlags & TF_WithoutRowid)!=0, + (pTab->tabFlags & TF_Strict)!=0 + ); + } + } + } + break; + #ifdef SQLITE_DEBUG case PragTyp_STATS: { Index *pIdx; @@ -126943,7 +137703,7 @@ SQLITE_PRIVATE void sqlite3Pragma( for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){ Table *pTab = sqliteHashData(i); sqlite3VdbeMultiLoad(v, 1, "ssiii", - pTab->zName, + sqlite3PreferredTableName(pTab->zName), 0, pTab->szTabRow, pTab->nRowLogEst, @@ -126993,7 +137753,7 @@ SQLITE_PRIVATE void sqlite3Pragma( for(i=0; iaiColumn[i]; sqlite3VdbeMultiLoad(v, 1, "iisX", i, cnum, - cnum<0 ? 0 : pTab->aCol[cnum].zName); + cnum<0 ? 0 : pTab->aCol[cnum].zCnName); if( pPragma->iArg ){ sqlite3VdbeMultiLoad(v, 4, "isiX", pIdx->aSortOrder[i], @@ -127062,11 +137822,13 @@ SQLITE_PRIVATE void sqlite3Pragma( pParse->nMem = 6; for(i=0; iu.pHash ){ + assert( p->funcFlags & SQLITE_FUNC_BUILTIN ); pragmaFunclistLine(v, p, 1, showInternFunc); } } for(j=sqliteHashFirst(&db->aFunc); j; j=sqliteHashNext(j)){ p = (FuncDef*)sqliteHashData(j); + assert( (p->funcFlags & SQLITE_FUNC_BUILTIN)==0 ); pragmaFunclistLine(v, p, 0, showInternFunc); } } @@ -127100,8 +137862,8 @@ SQLITE_PRIVATE void sqlite3Pragma( FKey *pFK; Table *pTab; pTab = sqlite3FindTable(db, zRight, zDb); - if( pTab ){ - pFK = pTab->pFKey; + if( pTab && IsOrdinaryTable(pTab) ){ + pFK = pTab->u.tab.pFKey; if( pFK ){ int iTabDb = sqlite3SchemaToIndex(db, pTab->pSchema); int i = 0; @@ -127114,7 +137876,7 @@ SQLITE_PRIVATE void sqlite3Pragma( i, j, pFK->zTo, - pTab->aCol[pFK->aCol[j].iFrom].zName, + pTab->aCol[pFK->aCol[j].iFrom].zCnName, pFK->aCol[j].zCol, actionName(pFK->aAction[1]), /* ON UPDATE */ actionName(pFK->aAction[0]), /* ON DELETE */ @@ -127141,7 +137903,6 @@ SQLITE_PRIVATE void sqlite3Pragma( HashElem *k; /* Loop counter: Next table in schema */ int x; /* result variable */ int regResult; /* 3 registers to hold a result row */ - int regKey; /* Register to hold key for checking the FK */ int regRow; /* Registers to hold a row from pTab */ int addrTop; /* Top of a loop checking foreign keys */ int addrOk; /* Jump here if the key is OK */ @@ -127149,7 +137910,6 @@ SQLITE_PRIVATE void sqlite3Pragma( regResult = pParse->nMem+1; pParse->nMem += 4; - regKey = ++pParse->nMem; regRow = ++pParse->nMem; k = sqliteHashFirst(&db->aDb[iDb].pSchema->tblHash); while( k ){ @@ -127160,15 +137920,16 @@ SQLITE_PRIVATE void sqlite3Pragma( pTab = (Table*)sqliteHashData(k); k = sqliteHashNext(k); } - if( pTab==0 || pTab->pFKey==0 ) continue; + if( pTab==0 || !IsOrdinaryTable(pTab) || pTab->u.tab.pFKey==0 ) continue; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); zDb = db->aDb[iDb].zDbSName; sqlite3CodeVerifySchema(pParse, iDb); sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); - if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow; + sqlite3TouchRegister(pParse, pTab->nCol+regRow); sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead); sqlite3VdbeLoadString(v, regResult, pTab->zName); - for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){ + assert( IsOrdinaryTable(pTab) ); + for(i=1, pFK=pTab->u.tab.pFKey; pFK; i++, pFK=pFK->pNextFrom){ pParent = sqlite3FindTable(db, pFK->zTo, zDb); if( pParent==0 ) continue; pIdx = 0; @@ -127190,13 +137951,14 @@ SQLITE_PRIVATE void sqlite3Pragma( if( pFK ) break; if( pParse->nTabnTab = i; addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, 0); VdbeCoverage(v); - for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){ + assert( IsOrdinaryTable(pTab) ); + for(i=1, pFK=pTab->u.tab.pFKey; pFK; i++, pFK=pFK->pNextFrom){ pParent = sqlite3FindTable(db, pFK->zTo, zDb); pIdx = 0; aiCols = 0; if( pParent ){ x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols); - assert( x==0 ); + assert( x==0 || db->mallocFailed ); } addrOk = sqlite3VdbeMakeLabel(pParse); @@ -127204,6 +137966,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** regRow..regRow+n. If any of the child key values are NULL, this ** row cannot cause an FK violation. Jump directly to addrOk in ** this case. */ + sqlite3TouchRegister(pParse, regRow + pFK->nCol); for(j=0; jnCol; j++){ int iCol = aiCols ? aiCols[j] : pFK->aCol[j].iFrom; sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, iCol, regRow+j); @@ -127213,15 +137976,15 @@ SQLITE_PRIVATE void sqlite3Pragma( /* Generate code to query the parent index for a matching parent ** key. If a match is found, jump to addrOk. */ if( pIdx ){ - sqlite3VdbeAddOp4(v, OP_MakeRecord, regRow, pFK->nCol, regKey, + sqlite3VdbeAddOp4(v, OP_Affinity, regRow, pFK->nCol, 0, sqlite3IndexAffinityStr(db,pIdx), pFK->nCol); - sqlite3VdbeAddOp4Int(v, OP_Found, i, addrOk, regKey, 0); + sqlite3VdbeAddOp4Int(v, OP_Found, i, addrOk, regRow, pFK->nCol); VdbeCoverage(v); }else if( pParent ){ int jmp = sqlite3VdbeCurrentAddr(v)+2; sqlite3VdbeAddOp3(v, OP_SeekRowid, i, jmp, regRow); VdbeCoverage(v); sqlite3VdbeGoto(v, addrOk); - assert( pFK->nCol==1 ); + assert( pFK->nCol==1 || db->mallocFailed ); } /* Generate code to report an FK violation to the caller. */ @@ -127270,9 +138033,9 @@ SQLITE_PRIVATE void sqlite3Pragma( ** The "quick_check" is reduced version of ** integrity_check designed to detect most database corruption ** without the overhead of cross-checking indexes. Quick_check - ** is linear time wherease integrity_check is O(NlogN). + ** is linear time whereas integrity_check is O(NlogN). ** - ** The maximum nubmer of errors is 100 by default. A different default + ** The maximum number of errors is 100 by default. A different default ** can be specified using a numeric parameter N. ** ** Or, the parameter N can be the name of a table. In that case, only @@ -127332,6 +138095,7 @@ SQLITE_PRIVATE void sqlite3Pragma( if( iDb>=0 && i!=iDb ) continue; sqlite3CodeVerifySchema(pParse, i); + pParse->okConstFactor = 0; /* tag-20230327-1 */ /* Do an integrity check of the B-Tree ** @@ -127367,7 +138131,7 @@ SQLITE_PRIVATE void sqlite3Pragma( aRoot[0] = cnt; /* Make sure sufficient number of registers have been allocated */ - pParse->nMem = MAX( pParse->nMem, 8+mxIdx ); + sqlite3TouchRegister(pParse, 8+mxIdx); sqlite3ClearTempRegCache(pParse); /* Do the b-tree integrity checks */ @@ -127386,14 +138150,24 @@ SQLITE_PRIVATE void sqlite3Pragma( for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){ Table *pTab = sqliteHashData(x); Index *pIdx, *pPk; - Index *pPrior = 0; + Index *pPrior = 0; /* Previous index */ int loopTop; int iDataCur, iIdxCur; int r1 = -1; + int bStrict; /* True for a STRICT table */ + int r2; /* Previous key for WITHOUT ROWID tables */ + int mxCol; /* Maximum non-virtual column number */ - if( pTab->tnum<1 ) continue; /* Skip VIEWs or VIRTUAL TABLEs */ + if( !IsOrdinaryTable(pTab) ) continue; if( pObjTab && pObjTab!=pTab ) continue; - pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab); + if( isQuick || HasRowid(pTab) ){ + pPk = 0; + r2 = 0; + }else{ + pPk = sqlite3PrimaryKeyIndex(pTab); + r2 = sqlite3GetTempRange(pParse, pPk->nKeyCol); + sqlite3VdbeAddOp3(v, OP_Null, 1, r2, r2+pPk->nKeyCol-1); + } sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead, 0, 1, 0, &iDataCur, &iIdxCur); /* reg[7] counts the number of entries in the table. @@ -127407,27 +138181,180 @@ SQLITE_PRIVATE void sqlite3Pragma( assert( sqlite3NoTempsInRange(pParse,1,7+j) ); sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); VdbeCoverage(v); loopTop = sqlite3VdbeAddOp2(v, OP_AddImm, 7, 1); + + /* Fetch the right-most column from the table. This will cause + ** the entire record header to be parsed and sanity checked. It + ** will also prepopulate the cursor column cache that is used + ** by the OP_IsType code, so it is a required step. + */ + assert( !IsVirtual(pTab) ); + if( HasRowid(pTab) ){ + mxCol = -1; + for(j=0; jnCol; j++){ + if( (pTab->aCol[j].colFlags & COLFLAG_VIRTUAL)==0 ) mxCol++; + } + if( mxCol==pTab->iPKey ) mxCol--; + }else{ + /* COLFLAG_VIRTUAL columns are not included in the WITHOUT ROWID + ** PK index column-count, so there is no need to account for them + ** in this case. */ + mxCol = sqlite3PrimaryKeyIndex(pTab)->nColumn-1; + } + if( mxCol>=0 ){ + sqlite3VdbeAddOp3(v, OP_Column, iDataCur, mxCol, 3); + sqlite3VdbeTypeofColumn(v, 3); + } + if( !isQuick ){ - /* Sanity check on record header decoding */ - sqlite3VdbeAddOp3(v, OP_Column, iDataCur, pTab->nNVCol-1,3); - sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG); + if( pPk ){ + /* Verify WITHOUT ROWID keys are in ascending order */ + int a1; + char *zErr; + a1 = sqlite3VdbeAddOp4Int(v, OP_IdxGT, iDataCur, 0,r2,pPk->nKeyCol); + VdbeCoverage(v); + sqlite3VdbeAddOp1(v, OP_IsNull, r2); VdbeCoverage(v); + zErr = sqlite3MPrintf(db, + "row not in PRIMARY KEY order for %s", + pTab->zName); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); + integrityCheckResultRow(v); + sqlite3VdbeJumpHere(v, a1); + sqlite3VdbeJumpHere(v, a1+1); + for(j=0; jnKeyCol; j++){ + sqlite3ExprCodeLoadIndexColumn(pParse, pPk, iDataCur, j, r2+j); + } + } } - /* Verify that all NOT NULL columns really are NOT NULL */ + /* Verify datatypes for all columns: + ** + ** (1) NOT NULL columns may not contain a NULL + ** (2) Datatype must be exact for non-ANY columns in STRICT tables + ** (3) Datatype for TEXT columns in non-STRICT tables must be + ** NULL, TEXT, or BLOB. + ** (4) Datatype for numeric columns in non-STRICT tables must not + ** be a TEXT value that can be losslessly converted to numeric. + */ + bStrict = (pTab->tabFlags & TF_Strict)!=0; for(j=0; jnCol; j++){ char *zErr; - int jmp2; + Column *pCol = pTab->aCol + j; /* The column to be checked */ + int labelError; /* Jump here to report an error */ + int labelOk; /* Jump here if all looks ok */ + int p1, p3, p4; /* Operands to the OP_IsType opcode */ + int doTypeCheck; /* Check datatypes (besides NOT NULL) */ + if( j==pTab->iPKey ) continue; - if( pTab->aCol[j].notNull==0 ) continue; - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3); - if( sqlite3VdbeGetOp(v,-1)->opcode==OP_Column ){ - sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG); + if( bStrict ){ + doTypeCheck = pCol->eCType>COLTYPE_ANY; + }else{ + doTypeCheck = pCol->affinity>SQLITE_AFF_BLOB; + } + if( pCol->notNull==0 && !doTypeCheck ) continue; + + /* Compute the operands that will be needed for OP_IsType */ + p4 = SQLITE_NULL; + if( pCol->colFlags & COLFLAG_VIRTUAL ){ + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3); + p1 = -1; + p3 = 3; + }else{ + if( pCol->iDflt ){ + sqlite3_value *pDfltValue = 0; + sqlite3ValueFromExpr(db, sqlite3ColumnExpr(pTab,pCol), ENC(db), + pCol->affinity, &pDfltValue); + if( pDfltValue ){ + p4 = sqlite3_value_type(pDfltValue); + sqlite3ValueFree(pDfltValue); + } + } + p1 = iDataCur; + if( !HasRowid(pTab) ){ + testcase( j!=sqlite3TableColumnToStorage(pTab, j) ); + p3 = sqlite3TableColumnToIndex(sqlite3PrimaryKeyIndex(pTab), j); + }else{ + p3 = sqlite3TableColumnToStorage(pTab,j); + testcase( p3!=j); + } + } + + labelError = sqlite3VdbeMakeLabel(pParse); + labelOk = sqlite3VdbeMakeLabel(pParse); + if( pCol->notNull ){ + /* (1) NOT NULL columns may not contain a NULL */ + int jmp3; + int jmp2 = sqlite3VdbeAddOp4Int(v, OP_IsType, p1, labelOk, p3, p4); + VdbeCoverage(v); + if( p1<0 ){ + sqlite3VdbeChangeP5(v, 0x0f); /* INT, REAL, TEXT, or BLOB */ + jmp3 = jmp2; + }else{ + sqlite3VdbeChangeP5(v, 0x0d); /* INT, TEXT, or BLOB */ + /* OP_IsType does not detect NaN values in the database file + ** which should be treated as a NULL. So if the header type + ** is REAL, we have to load the actual data using OP_Column + ** to reliably determine if the value is a NULL. */ + sqlite3VdbeAddOp3(v, OP_Column, p1, p3, 3); + jmp3 = sqlite3VdbeAddOp2(v, OP_NotNull, 3, labelOk); + VdbeCoverage(v); + } + zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName, + pCol->zCnName); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); + if( doTypeCheck ){ + sqlite3VdbeGoto(v, labelError); + sqlite3VdbeJumpHere(v, jmp2); + sqlite3VdbeJumpHere(v, jmp3); + }else{ + /* VDBE byte code will fall thru */ + } + } + if( bStrict && doTypeCheck ){ + /* (2) Datatype must be exact for non-ANY columns in STRICT tables*/ + static unsigned char aStdTypeMask[] = { + 0x1f, /* ANY */ + 0x18, /* BLOB */ + 0x11, /* INT */ + 0x11, /* INTEGER */ + 0x13, /* REAL */ + 0x14 /* TEXT */ + }; + sqlite3VdbeAddOp4Int(v, OP_IsType, p1, labelOk, p3, p4); + assert( pCol->eCType>=1 && pCol->eCType<=sizeof(aStdTypeMask) ); + sqlite3VdbeChangeP5(v, aStdTypeMask[pCol->eCType-1]); + VdbeCoverage(v); + zErr = sqlite3MPrintf(db, "non-%s value in %s.%s", + sqlite3StdType[pCol->eCType-1], + pTab->zName, pTab->aCol[j].zCnName); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); + }else if( !bStrict && pCol->affinity==SQLITE_AFF_TEXT ){ + /* (3) Datatype for TEXT columns in non-STRICT tables must be + ** NULL, TEXT, or BLOB. */ + sqlite3VdbeAddOp4Int(v, OP_IsType, p1, labelOk, p3, p4); + sqlite3VdbeChangeP5(v, 0x1c); /* NULL, TEXT, or BLOB */ + VdbeCoverage(v); + zErr = sqlite3MPrintf(db, "NUMERIC value in %s.%s", + pTab->zName, pTab->aCol[j].zCnName); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); + }else if( !bStrict && pCol->affinity>=SQLITE_AFF_NUMERIC ){ + /* (4) Datatype for numeric columns in non-STRICT tables must not + ** be a TEXT value that can be converted to numeric. */ + sqlite3VdbeAddOp4Int(v, OP_IsType, p1, labelOk, p3, p4); + sqlite3VdbeChangeP5(v, 0x1b); /* NULL, INT, FLOAT, or BLOB */ + VdbeCoverage(v); + if( p1>=0 ){ + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3); + } + sqlite3VdbeAddOp4(v, OP_Affinity, 3, 1, 0, "C", P4_STATIC); + sqlite3VdbeAddOp4Int(v, OP_IsType, -1, labelOk, 3, p4); + sqlite3VdbeChangeP5(v, 0x1c); /* NULL, TEXT, or BLOB */ + VdbeCoverage(v); + zErr = sqlite3MPrintf(db, "TEXT value in %s.%s", + pTab->zName, pTab->aCol[j].zCnName); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); } - jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v); - zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName, - pTab->aCol[j].zName); - sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); + sqlite3VdbeResolveLabel(v, labelError); integrityCheckResultRow(v); - sqlite3VdbeJumpHere(v, jmp2); + sqlite3VdbeResolveLabel(v, labelOk); } /* Verify CHECK constraints */ if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ @@ -127456,7 +138383,8 @@ SQLITE_PRIVATE void sqlite3Pragma( if( !isQuick ){ /* Omit the remaining tests for quick_check */ /* Validate index entries for the current row */ for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ - int jmp2, jmp3, jmp4, jmp5; + int jmp2, jmp3, jmp4, jmp5, label6; + int kk; int ckUniq = sqlite3VdbeMakeLabel(pParse); if( pPk==pIdx ) continue; r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3, @@ -127474,13 +138402,49 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3); jmp4 = integrityCheckResultRow(v); sqlite3VdbeJumpHere(v, jmp2); + + /* The OP_IdxRowid opcode is an optimized version of OP_Column + ** that extracts the rowid off the end of the index record. + ** But it only works correctly if index record does not have + ** any extra bytes at the end. Verify that this is the case. */ + if( HasRowid(pTab) ){ + int jmp7; + sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur+j, 3); + jmp7 = sqlite3VdbeAddOp3(v, OP_Eq, 3, 0, r1+pIdx->nColumn-1); + VdbeCoverageNeverNull(v); + sqlite3VdbeLoadString(v, 3, + "rowid not at end-of-record for row "); + sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); + sqlite3VdbeLoadString(v, 4, " of index "); + sqlite3VdbeGoto(v, jmp5-1); + sqlite3VdbeJumpHere(v, jmp7); + } + + /* Any indexed columns with non-BINARY collations must still hold + ** the exact same text value as the table. */ + label6 = 0; + for(kk=0; kknKeyCol; kk++){ + if( pIdx->azColl[kk]==sqlite3StrBINARY ) continue; + if( label6==0 ) label6 = sqlite3VdbeMakeLabel(pParse); + sqlite3VdbeAddOp3(v, OP_Column, iIdxCur+j, kk, 3); + sqlite3VdbeAddOp3(v, OP_Ne, 3, label6, r1+kk); VdbeCoverage(v); + } + if( label6 ){ + int jmp6 = sqlite3VdbeAddOp0(v, OP_Goto); + sqlite3VdbeResolveLabel(v, label6); + sqlite3VdbeLoadString(v, 3, "row "); + sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); + sqlite3VdbeLoadString(v, 4, " values differ from index "); + sqlite3VdbeGoto(v, jmp5-1); + sqlite3VdbeJumpHere(v, jmp6); + } + /* For UNIQUE indexes, verify that only one entry exists with the ** current key. The entry is unique if (1) any column is NULL ** or (2) the next entry has a different key */ if( IsUniqueIndex(pIdx) ){ int uniqOk = sqlite3VdbeMakeLabel(pParse); int jmp6; - int kk; for(kk=0; kknKeyCol; kk++){ int iCol = pIdx->aiColumn[kk]; assert( iCol!=XN_ROWID && iColnCol ); @@ -127515,6 +138479,9 @@ SQLITE_PRIVATE void sqlite3Pragma( integrityCheckResultRow(v); sqlite3VdbeJumpHere(v, addr); } + if( pPk ){ + sqlite3ReleaseTempRange(pParse, r2, pPk->nKeyCol); + } } } } @@ -127665,6 +138632,11 @@ SQLITE_PRIVATE void sqlite3Pragma( aOp[1].p2 = iCookie; aOp[1].p3 = sqlite3Atoi(zRight); aOp[1].p5 = 1; + if( iCookie==BTREE_SCHEMA_VERSION && (db->flags & SQLITE_Defensive)!=0 ){ + /* Do not allow the use of PRAGMA schema_version=VALUE in defensive + ** mode. Change the OP_SetCookie opcode into a no-op. */ + aOp[1].opcode = OP_Noop; + } }else{ /* Read the specified cookie value */ static const VdbeOpList readCookie[] = { @@ -127712,7 +138684,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** Checkpoint the database. */ case PragTyp_WAL_CHECKPOINT: { - int iBt = (pId2->z?iDb:SQLITE_MAX_ATTACHED); + int iBt = (pId2->z?iDb:SQLITE_MAX_DB); int eMode = SQLITE_CHECKPOINT_PASSIVE; if( zRight ){ if( sqlite3StrICmp(zRight, "full")==0 ){ @@ -127821,7 +138793,7 @@ SQLITE_PRIVATE void sqlite3Pragma( Schema *pSchema; /* The current schema */ Table *pTab; /* A table in the schema */ Index *pIdx; /* An index of the table */ - LogEst szThreshold; /* Size threshold above which reanalysis is needd */ + LogEst szThreshold; /* Size threshold above which reanalysis needed */ char *zSubSql; /* SQL statement for the OP_SqlExec opcode */ u32 opMask; /* Mask of operations to perform */ @@ -127961,12 +138933,12 @@ SQLITE_PRIVATE void sqlite3Pragma( case PragTyp_ANALYSIS_LIMIT: { sqlite3_int64 N; if( zRight - && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK + && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK /* IMP: R-40975-20399 */ && N>=0 ){ db->nAnalysisLimit = (int)(N&0x7fffffff); } - returnSingleInt(v, db->nAnalysisLimit); + returnSingleInt(v, db->nAnalysisLimit); /* IMP: R-57594-65522 */ break; } @@ -128360,7 +139332,7 @@ SQLITE_PRIVATE Module *sqlite3PragmaVtabRegister(sqlite3 *db, const char *zName) */ static void corruptSchema( InitData *pData, /* Initialization context */ - const char *zObj, /* Object being parsed at the point of error */ + char **azObj, /* Type and name of object being parsed */ const char *zExtra /* Error information */ ){ sqlite3 *db = pData->db; @@ -128368,14 +139340,23 @@ static void corruptSchema( pData->rc = SQLITE_NOMEM_BKPT; }else if( pData->pzErrMsg[0]!=0 ){ /* A error message has already been generated. Do not overwrite it */ - }else if( pData->mInitFlags & INITFLAG_AlterTable ){ - *pData->pzErrMsg = sqlite3DbStrDup(db, zExtra); + }else if( pData->mInitFlags & (INITFLAG_AlterMask) ){ + static const char *azAlterType[] = { + "rename", + "drop column", + "add column" + }; + *pData->pzErrMsg = sqlite3MPrintf(db, + "error in %s %s after %s: %s", azObj[0], azObj[1], + azAlterType[(pData->mInitFlags&INITFLAG_AlterMask)-1], + zExtra + ); pData->rc = SQLITE_ERROR; }else if( db->flags & SQLITE_WriteSchema ){ pData->rc = SQLITE_CORRUPT_BKPT; }else{ char *z; - if( zObj==0 ) zObj = "?"; + const char *zObj = azObj[1] ? azObj[1] : "?"; z = sqlite3MPrintf(db, "malformed database schema (%s)", zObj); if( zExtra && zExtra[0] ) z = sqlite3MPrintf(db, "%z - %s", z, zExtra); *pData->pzErrMsg = z; @@ -128431,21 +139412,28 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char UNUSED_PARAMETER2(NotUsed, argc); assert( sqlite3_mutex_held(db->mutex) ); db->mDbFlags |= DBFLAG_EncodingFixed; + if( argv==0 ) return 0; /* Might happen if EMPTY_RESULT_CALLBACKS are on */ pData->nInitRow++; if( db->mallocFailed ){ - corruptSchema(pData, argv[1], 0); + corruptSchema(pData, argv, 0); return 1; } assert( iDb>=0 && iDbnDb ); - if( argv==0 ) return 0; /* Might happen if EMPTY_RESULT_CALLBACKS are on */ if( argv[3]==0 ){ - corruptSchema(pData, argv[1], 0); - }else if( sqlite3_strnicmp(argv[4],"create ",7)==0 ){ + corruptSchema(pData, argv, 0); + }else if( argv[4] + && 'c'==sqlite3UpperToLower[(unsigned char)argv[4][0]] + && 'r'==sqlite3UpperToLower[(unsigned char)argv[4][1]] ){ /* Call the parser to process a CREATE TABLE, INDEX or VIEW. ** But because db->init.busy is set to 1, no VDBE code is generated ** or executed. All the parser does is build the internal data ** structures that describe the table, index, or view. + ** + ** No other valid SQL statement, other than the variable CREATE statements, + ** can begin with the letters "C" and "R". Thus, it is not possible run + ** any other kind of statement while parsing the schema, even a corrupt + ** schema. */ int rc; u8 saved_iDb = db->init.iDb; @@ -128458,11 +139446,11 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char || (db->init.newTnum>pData->mxPage && pData->mxPage>0) ){ if( sqlite3Config.bExtraSchemaChecks ){ - corruptSchema(pData, argv[1], "invalid rootpage"); + corruptSchema(pData, argv, "invalid rootpage"); } } db->init.orphanTrigger = 0; - db->init.azInit = argv; + db->init.azInit = (const char**)argv; pStmt = 0; TESTONLY(rcp = ) sqlite3Prepare(db, argv[4], -1, 0, 0, &pStmt, 0); rc = db->errCode; @@ -128477,13 +139465,14 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char if( rc==SQLITE_NOMEM ){ sqlite3OomFault(db); }else if( rc!=SQLITE_INTERRUPT && (rc&0xFF)!=SQLITE_LOCKED ){ - corruptSchema(pData, argv[1], sqlite3_errmsg(db)); + corruptSchema(pData, argv, sqlite3_errmsg(db)); } } } + db->init.azInit = sqlite3StdType; /* Any array of string ptrs will do */ sqlite3_finalize(pStmt); }else if( argv[1]==0 || (argv[4]!=0 && argv[4][0]!=0) ){ - corruptSchema(pData, argv[1], 0); + corruptSchema(pData, argv, 0); }else{ /* If the SQL column is blank it means this is an index that ** was created to be the PRIMARY KEY or to fulfill a UNIQUE @@ -128494,7 +139483,7 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char Index *pIndex; pIndex = sqlite3FindIndex(db, argv[1], db->aDb[iDb].zDbSName); if( pIndex==0 ){ - corruptSchema(pData, argv[1], "orphan index"); + corruptSchema(pData, argv, "orphan index"); }else if( sqlite3GetUInt32(argv[3],&pIndex->tnum)==0 || pIndex->tnum<2 @@ -128502,7 +139491,7 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char || sqlite3IndexHasDuplicateRootPage(pIndex) ){ if( sqlite3Config.bExtraSchemaChecks ){ - corruptSchema(pData, argv[1], "invalid rootpage"); + corruptSchema(pData, argv, "invalid rootpage"); } } } @@ -128579,7 +139568,7 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl ** on the b-tree database, open one now. If a transaction is opened, it ** will be closed before this function returns. */ sqlite3BtreeEnter(pDb->pBt); - if( !sqlite3BtreeIsInReadTrans(pDb->pBt) ){ + if( sqlite3BtreeTxnState(pDb->pBt)==SQLITE_TXN_NONE ){ rc = sqlite3BtreeBeginTrans(pDb->pBt, 0, 0); if( rc!=SQLITE_OK ){ sqlite3SetString(pzErrMsg, db, sqlite3ErrStr(rc)); @@ -128628,7 +139617,14 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl #else encoding = SQLITE_UTF8; #endif - sqlite3SetTextEncoding(db, encoding); + if( db->nVdbeActive>0 && encoding!=ENC(db) + && (db->mDbFlags & DBFLAG_Vacuum)==0 + ){ + rc = SQLITE_LOCKED; + goto initone_error_out; + }else{ + sqlite3SetTextEncoding(db, encoding); + } }else{ /* If opening an attached database, the encoding much match ENC(db) */ if( (meta[BTREE_TEXT_ENCODING-1] & 3)!=ENC(db) ){ @@ -128705,18 +139701,22 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl } #endif } + assert( pDb == &(db->aDb[iDb]) ); if( db->mallocFailed ){ rc = SQLITE_NOMEM_BKPT; sqlite3ResetAllSchemasOfConnection(db); - } - if( rc==SQLITE_OK || (db->flags&SQLITE_NoSchemaError)){ - /* Black magic: If the SQLITE_NoSchemaError flag is set, then consider - ** the schema loaded, even if errors occurred. In this situation the - ** current sqlite3_prepare() operation will fail, but the following one - ** will attempt to compile the supplied statement against whatever subset - ** of the schema was loaded before the error occurred. The primary - ** purpose of this is to allow access to the sqlite_schema table - ** even when its contents have been corrupted. + pDb = &db->aDb[iDb]; + }else + if( rc==SQLITE_OK || ((db->flags&SQLITE_NoSchemaError) && rc!=SQLITE_NOMEM)){ + /* Hack: If the SQLITE_NoSchemaError flag is set, then consider + ** the schema loaded, even if errors (other than OOM) occurred. In + ** this situation the current sqlite3_prepare() operation will fail, + ** but the following one will attempt to compile the supplied statement + ** against whatever subset of the schema was loaded before the error + ** occurred. + ** + ** The primary purpose of this is to allow access to the sqlite_schema + ** table even when its contents have been corrupted. */ DbSetProperty(db, iDb, DB_SchemaLoaded); rc = SQLITE_OK; @@ -128822,10 +139822,11 @@ static void schemaIsValid(Parse *pParse){ /* If there is not already a read-only (or read-write) transaction opened ** on the b-tree database, open one now. If a transaction is opened, it ** will be closed immediately after reading the meta-value. */ - if( !sqlite3BtreeIsInReadTrans(pBt) ){ + if( sqlite3BtreeTxnState(pBt)==SQLITE_TXN_NONE ){ rc = sqlite3BtreeBeginTrans(pBt, 0, 0); if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ){ sqlite3OomFault(db); + pParse->rc = SQLITE_NOMEM; } if( rc!=SQLITE_OK ) return; openedTransaction = 1; @@ -128837,8 +139838,8 @@ static void schemaIsValid(Parse *pParse){ sqlite3BtreeGetMeta(pBt, BTREE_SCHEMA_VERSION, (u32 *)&cookie); assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); if( cookie!=db->aDb[iDb].pSchema->schema_cookie ){ + if( DbHasProperty(db, iDb, DB_SchemaLoaded) ) pParse->rc = SQLITE_SCHEMA; sqlite3ResetOneSchema(db, iDb); - pParse->rc = SQLITE_SCHEMA; } /* Close the transaction, if one was opened. */ @@ -128883,35 +139884,111 @@ SQLITE_PRIVATE int sqlite3SchemaToIndex(sqlite3 *db, Schema *pSchema){ } /* -** Deallocate a single AggInfo object +** Free all memory allocations in the pParse object */ -static void agginfoFree(sqlite3 *db, AggInfo *p){ - sqlite3DbFree(db, p->aCol); - sqlite3DbFree(db, p->aFunc); - sqlite3DbFree(db, p); +SQLITE_PRIVATE void sqlite3ParseObjectReset(Parse *pParse){ + sqlite3 *db = pParse->db; + assert( db!=0 ); + assert( db->pParse==pParse ); + assert( pParse->nested==0 ); +#ifndef SQLITE_OMIT_SHARED_CACHE + if( pParse->aTableLock ) sqlite3DbNNFreeNN(db, pParse->aTableLock); +#endif + while( pParse->pCleanup ){ + ParseCleanup *pCleanup = pParse->pCleanup; + pParse->pCleanup = pCleanup->pNext; + pCleanup->xCleanup(db, pCleanup->pPtr); + sqlite3DbNNFreeNN(db, pCleanup); + } + if( pParse->aLabel ) sqlite3DbNNFreeNN(db, pParse->aLabel); + if( pParse->pConstExpr ){ + sqlite3ExprListDelete(db, pParse->pConstExpr); + } + assert( db->lookaside.bDisable >= pParse->disableLookaside ); + db->lookaside.bDisable -= pParse->disableLookaside; + db->lookaside.sz = db->lookaside.bDisable ? 0 : db->lookaside.szTrue; + assert( pParse->db->pParse==pParse ); + db->pParse = pParse->pOuterParse; + pParse->db = 0; + pParse->disableLookaside = 0; } /* -** Free all memory allocations in the pParse object -*/ -SQLITE_PRIVATE void sqlite3ParserReset(Parse *pParse){ - sqlite3 *db = pParse->db; - AggInfo *pThis = pParse->pAggList; - while( pThis ){ - AggInfo *pNext = pThis->pNext; - agginfoFree(db, pThis); - pThis = pNext; - } - sqlite3DbFree(db, pParse->aLabel); - sqlite3ExprListDelete(db, pParse->pConstExpr); - if( db ){ - assert( db->lookaside.bDisable >= pParse->disableLookaside ); - db->lookaside.bDisable -= pParse->disableLookaside; - db->lookaside.sz = db->lookaside.bDisable ? 0 : db->lookaside.szTrue; +** Add a new cleanup operation to a Parser. The cleanup should happen when +** the parser object is destroyed. But, beware: the cleanup might happen +** immediately. +** +** Use this mechanism for uncommon cleanups. There is a higher setup +** cost for this mechanism (an extra malloc), so it should not be used +** for common cleanups that happen on most calls. But for less +** common cleanups, we save a single NULL-pointer comparison in +** sqlite3ParseObjectReset(), which reduces the total CPU cycle count. +** +** If a memory allocation error occurs, then the cleanup happens immediately. +** When either SQLITE_DEBUG or SQLITE_COVERAGE_TEST are defined, the +** pParse->earlyCleanup flag is set in that case. Calling code show verify +** that test cases exist for which this happens, to guard against possible +** use-after-free errors following an OOM. The preferred way to do this is +** to immediately follow the call to this routine with: +** +** testcase( pParse->earlyCleanup ); +** +** This routine returns a copy of its pPtr input (the third parameter) +** except if an early cleanup occurs, in which case it returns NULL. So +** another way to check for early cleanup is to check the return value. +** Or, stop using the pPtr parameter with this call and use only its +** return value thereafter. Something like this: +** +** pObj = sqlite3ParserAddCleanup(pParse, destructor, pObj); +*/ +SQLITE_PRIVATE void *sqlite3ParserAddCleanup( + Parse *pParse, /* Destroy when this Parser finishes */ + void (*xCleanup)(sqlite3*,void*), /* The cleanup routine */ + void *pPtr /* Pointer to object to be cleaned up */ +){ + ParseCleanup *pCleanup = sqlite3DbMallocRaw(pParse->db, sizeof(*pCleanup)); + if( pCleanup ){ + pCleanup->pNext = pParse->pCleanup; + pParse->pCleanup = pCleanup; + pCleanup->pPtr = pPtr; + pCleanup->xCleanup = xCleanup; + }else{ + xCleanup(pParse->db, pPtr); + pPtr = 0; +#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) + pParse->earlyCleanup = 1; +#endif } - pParse->disableLookaside = 0; + return pPtr; } +/* +** Turn bulk memory into a valid Parse object and link that Parse object +** into database connection db. +** +** Call sqlite3ParseObjectReset() to undo this operation. +** +** Caution: Do not confuse this routine with sqlite3ParseObjectInit() which +** is generated by Lemon. +*/ +SQLITE_PRIVATE void sqlite3ParseObjectInit(Parse *pParse, sqlite3 *db){ + memset(PARSE_HDR(pParse), 0, PARSE_HDR_SZ); + memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ); + assert( db->pParse!=pParse ); + pParse->pOuterParse = db->pParse; + db->pParse = pParse; + pParse->db = db; + if( db->mallocFailed ) sqlite3ErrorMsg(pParse, "out of memory"); +} + +/* +** Maximum number of times that we will try again to prepare a statement +** that returns SQLITE_ERROR_RETRY. +*/ +#ifndef SQLITE_MAX_PREPARE_RETRY +# define SQLITE_MAX_PREPARE_RETRY 25 +#endif + /* ** Compile the UTF-8 encoded SQL statement zSql into a statement handle. */ @@ -128924,16 +140001,28 @@ static int sqlite3Prepare( sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ - char *zErrMsg = 0; /* Error message */ int rc = SQLITE_OK; /* Result code */ int i; /* Loop counter */ Parse sParse; /* Parsing context */ - memset(&sParse, 0, PARSE_HDR_SZ); + /* sqlite3ParseObjectInit(&sParse, db); // inlined for performance */ + memset(PARSE_HDR(&sParse), 0, PARSE_HDR_SZ); memset(PARSE_TAIL(&sParse), 0, PARSE_TAIL_SZ); - sParse.pReprepare = pReprepare; + sParse.pOuterParse = db->pParse; + db->pParse = &sParse; + sParse.db = db; + if( pReprepare ){ + sParse.pReprepare = pReprepare; + sParse.explain = sqlite3_stmt_isexplain((sqlite3_stmt*)pReprepare); + }else{ + assert( sParse.pReprepare==0 ); + } assert( ppStmt && *ppStmt==0 ); - /* assert( !db->mallocFailed ); // not true with SQLITE_USE_ALLOCA */ + if( db->mallocFailed ){ + sqlite3ErrorMsg(&sParse, "out of memory"); + db->errCode = rc = SQLITE_NOMEM; + goto end_prepare; + } assert( sqlite3_mutex_held(db->mutex) ); /* For a long-term use prepared statement avoid the use of @@ -128943,7 +140032,7 @@ static int sqlite3Prepare( sParse.disableLookaside++; DisableLookaside; } - sParse.disableVtab = (prepFlags & SQLITE_PREPARE_NO_VTAB)!=0; + sParse.prepFlags = prepFlags & 0xff; /* Check to verify that it is possible to get a read lock on all ** database schemas. The inability to get a read lock indicates that @@ -128984,9 +140073,10 @@ static int sqlite3Prepare( } } - sqlite3VtabUnlockList(db); +#ifndef SQLITE_OMIT_VIRTUALTABLE + if( db->pDisconnect ) sqlite3VtabUnlockList(db); +#endif - sParse.db = db; if( nBytes>=0 && (nBytes==0 || zSql[nBytes-1]!=0) ){ char *zSqlCopy; int mxLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH]; @@ -128999,23 +140089,17 @@ static int sqlite3Prepare( } zSqlCopy = sqlite3DbStrNDup(db, zSql, nBytes); if( zSqlCopy ){ - sqlite3RunParser(&sParse, zSqlCopy, &zErrMsg); + sqlite3RunParser(&sParse, zSqlCopy); sParse.zTail = &zSql[sParse.zTail-zSqlCopy]; sqlite3DbFree(db, zSqlCopy); }else{ sParse.zTail = &zSql[nBytes]; } }else{ - sqlite3RunParser(&sParse, zSql, &zErrMsg); + sqlite3RunParser(&sParse, zSql); } assert( 0==sParse.nQueryLoop ); - if( sParse.rc==SQLITE_DONE ){ - sParse.rc = SQLITE_OK; - } - if( sParse.checkSchema ){ - schemaIsValid(&sParse); - } if( pzTail ){ *pzTail = sParse.zTail; } @@ -129025,21 +140109,30 @@ static int sqlite3Prepare( } if( db->mallocFailed ){ sParse.rc = SQLITE_NOMEM_BKPT; + sParse.checkSchema = 0; } - rc = sParse.rc; - if( rc!=SQLITE_OK ){ - if( sParse.pVdbe ) sqlite3VdbeFinalize(sParse.pVdbe); - assert(!(*ppStmt)); + if( sParse.rc!=SQLITE_OK && sParse.rc!=SQLITE_DONE ){ + if( sParse.checkSchema && db->init.busy==0 ){ + schemaIsValid(&sParse); + } + if( sParse.pVdbe ){ + sqlite3VdbeFinalize(sParse.pVdbe); + } + assert( 0==(*ppStmt) ); + rc = sParse.rc; + if( sParse.zErrMsg ){ + sqlite3ErrorWithMsg(db, rc, "%s", sParse.zErrMsg); + sqlite3DbFree(db, sParse.zErrMsg); + }else{ + sqlite3Error(db, rc); + } }else{ + assert( sParse.zErrMsg==0 ); *ppStmt = (sqlite3_stmt*)sParse.pVdbe; + rc = SQLITE_OK; + sqlite3ErrorClear(db); } - if( zErrMsg ){ - sqlite3ErrorWithMsg(db, rc, "%s", zErrMsg); - sqlite3DbFree(db, zErrMsg); - }else{ - sqlite3Error(db, rc); - } /* Delete any TriggerPrg structures allocated while parsing this statement. */ while( sParse.pTriggerPrg ){ @@ -129050,7 +140143,7 @@ static int sqlite3Prepare( end_prepare: - sqlite3ParserReset(&sParse); + sqlite3ParseObjectReset(&sParse); return rc; } static int sqlite3LockAndPrepare( @@ -129080,11 +140173,13 @@ static int sqlite3LockAndPrepare( ** reset is considered a permanent error. */ rc = sqlite3Prepare(db, zSql, nBytes, prepFlags, pOld, ppStmt, pzTail); assert( rc==SQLITE_OK || *ppStmt==0 ); - }while( rc==SQLITE_ERROR_RETRY + if( rc==SQLITE_OK || db->mallocFailed ) break; + }while( (rc==SQLITE_ERROR_RETRY && (cnt++)errMask)==rc ); + db->busyHandler.nBusy = 0; sqlite3_mutex_leave(db->mutex); return rc; } @@ -129320,7 +140415,7 @@ SQLITE_API int sqlite3_prepare16_v3( */ typedef struct DistinctCtx DistinctCtx; struct DistinctCtx { - u8 isTnct; /* True if the DISTINCT keyword is present */ + u8 isTnct; /* 0: Not distinct. 1: DISTICT 2: DISTINCT and ORDER BY */ u8 eTnctType; /* One of the WHERE_DISTINCT_* operators */ int tabTnct; /* Ephemeral table used for DISTINCT processing */ int addrTnct; /* Address of OP_OpenEphemeral opcode for tabTnct */ @@ -129364,6 +140459,10 @@ struct SortCtx { } aDefer[4]; #endif struct RowLoadInfo *pDeferredRowLoad; /* Deferred row loading info or NULL */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrPush; /* First instruction to push data into sorter */ + int addrPushEnd; /* Last instruction that pushes data into sorter */ +#endif }; #define SORTFLAG_UseSorter 0x01 /* Use SorterOpen instead of OpenEphemeral */ @@ -129375,6 +140474,7 @@ struct SortCtx { ** If bFree==0, Leave the first Select object unfreed */ static void clearSelect(sqlite3 *db, Select *p, int bFree){ + assert( db!=0 ); while( p ){ Select *pPrior = p->pPrior; sqlite3ExprListDelete(db, p->pEList); @@ -129384,13 +140484,17 @@ static void clearSelect(sqlite3 *db, Select *p, int bFree){ sqlite3ExprDelete(db, p->pHaving); sqlite3ExprListDelete(db, p->pOrderBy); sqlite3ExprDelete(db, p->pLimit); + if( OK_IF_ALWAYS_TRUE(p->pWith) ) sqlite3WithDelete(db, p->pWith); #ifndef SQLITE_OMIT_WINDOWFUNC if( OK_IF_ALWAYS_TRUE(p->pWinDefn) ){ sqlite3WindowListDelete(db, p->pWinDefn); } + while( p->pWin ){ + assert( p->pWin->ppThis==&p->pWin ); + sqlite3WindowUnlinkFromSelect(p->pWin); + } #endif - if( OK_IF_ALWAYS_TRUE(p->pWith) ) sqlite3WithDelete(db, p->pWith); - if( bFree ) sqlite3DbFreeNN(db, p); + if( bFree ) sqlite3DbNNFreeNN(db, p); p = pPrior; bFree = 1; } @@ -129499,6 +140603,52 @@ static Select *findRightmost(Select *p){ ** ** If an illegal or unsupported join type is seen, then still return ** a join type, but put an error in the pParse structure. +** +** These are the valid join types: +** +** +** pA pB pC Return Value +** ------- ----- ----- ------------ +** CROSS - - JT_CROSS +** INNER - - JT_INNER +** LEFT - - JT_LEFT|JT_OUTER +** LEFT OUTER - JT_LEFT|JT_OUTER +** RIGHT - - JT_RIGHT|JT_OUTER +** RIGHT OUTER - JT_RIGHT|JT_OUTER +** FULL - - JT_LEFT|JT_RIGHT|JT_OUTER +** FULL OUTER - JT_LEFT|JT_RIGHT|JT_OUTER +** NATURAL INNER - JT_NATURAL|JT_INNER +** NATURAL LEFT - JT_NATURAL|JT_LEFT|JT_OUTER +** NATURAL LEFT OUTER JT_NATURAL|JT_LEFT|JT_OUTER +** NATURAL RIGHT - JT_NATURAL|JT_RIGHT|JT_OUTER +** NATURAL RIGHT OUTER JT_NATURAL|JT_RIGHT|JT_OUTER +** NATURAL FULL - JT_NATURAL|JT_LEFT|JT_RIGHT +** NATURAL FULL OUTER JT_NATRUAL|JT_LEFT|JT_RIGHT +** +** To preserve historical compatibly, SQLite also accepts a variety +** of other non-standard and in many cases nonsensical join types. +** This routine makes as much sense at it can from the nonsense join +** type and returns a result. Examples of accepted nonsense join types +** include but are not limited to: +** +** INNER CROSS JOIN -> same as JOIN +** NATURAL CROSS JOIN -> same as NATURAL JOIN +** OUTER LEFT JOIN -> same as LEFT JOIN +** LEFT NATURAL JOIN -> same as NATURAL LEFT JOIN +** LEFT RIGHT JOIN -> same as FULL JOIN +** RIGHT OUTER FULL JOIN -> same as FULL JOIN +** CROSS CROSS CROSS JOIN -> same as JOIN +** +** The only restrictions on the join type name are: +** +** * "INNER" cannot appear together with "OUTER", "LEFT", "RIGHT", +** or "FULL". +** +** * "CROSS" cannot appear together with "OUTER", "LEFT", "RIGHT, +** or "FULL". +** +** * If "OUTER" is present then there must also be one of +** "LEFT", "RIGHT", or "FULL" */ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *pC){ int jointype = 0; @@ -129511,13 +140661,13 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p u8 nChar; /* Length of the keyword in characters */ u8 code; /* Join type mask */ } aKeyword[] = { - /* natural */ { 0, 7, JT_NATURAL }, - /* left */ { 6, 4, JT_LEFT|JT_OUTER }, - /* outer */ { 10, 5, JT_OUTER }, - /* right */ { 14, 5, JT_RIGHT|JT_OUTER }, - /* full */ { 19, 4, JT_LEFT|JT_RIGHT|JT_OUTER }, - /* inner */ { 23, 5, JT_INNER }, - /* cross */ { 28, 5, JT_INNER|JT_CROSS }, + /* (0) natural */ { 0, 7, JT_NATURAL }, + /* (1) left */ { 6, 4, JT_LEFT|JT_OUTER }, + /* (2) outer */ { 10, 5, JT_OUTER }, + /* (3) right */ { 14, 5, JT_RIGHT|JT_OUTER }, + /* (4) full */ { 19, 4, JT_LEFT|JT_RIGHT|JT_OUTER }, + /* (5) inner */ { 23, 5, JT_INNER }, + /* (6) cross */ { 28, 5, JT_INNER|JT_CROSS }, }; int i, j; apAll[0] = pA; @@ -129540,18 +140690,15 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p } if( (jointype & (JT_INNER|JT_OUTER))==(JT_INNER|JT_OUTER) || - (jointype & JT_ERROR)!=0 + (jointype & JT_ERROR)!=0 || + (jointype & (JT_OUTER|JT_LEFT|JT_RIGHT))==JT_OUTER ){ - const char *zSp = " "; - assert( pB!=0 ); - if( pC==0 ){ zSp++; } - sqlite3ErrorMsg(pParse, "unknown or unsupported join type: " - "%T %T%s%T", pA, pB, zSp, pC); - jointype = JT_INNER; - }else if( (jointype & JT_OUTER)!=0 - && (jointype & (JT_LEFT|JT_RIGHT))!=JT_LEFT ){ - sqlite3ErrorMsg(pParse, - "RIGHT and FULL OUTER JOINs are not currently supported"); + const char *zSp1 = " "; + const char *zSp2 = " "; + if( pB==0 ){ zSp1++; } + if( pC==0 ){ zSp2++; } + sqlite3ErrorMsg(pParse, "unknown join type: " + "%T%s%T%s%T", pA, zSp1, pB, zSp2, pC); jointype = JT_INNER; } return jointype; @@ -129561,19 +140708,36 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p ** Return the index of a column in a table. Return -1 if the column ** is not contained in the table. */ -static int columnIndex(Table *pTab, const char *zCol){ +SQLITE_PRIVATE int sqlite3ColumnIndex(Table *pTab, const char *zCol){ int i; u8 h = sqlite3StrIHash(zCol); Column *pCol; for(pCol=pTab->aCol, i=0; inCol; pCol++, i++){ - if( pCol->hName==h && sqlite3StrICmp(pCol->zName, zCol)==0 ) return i; + if( pCol->hName==h && sqlite3StrICmp(pCol->zCnName, zCol)==0 ) return i; } return -1; } /* -** Search the first N tables in pSrc, from left to right, looking for a -** table that has a column named zCol. +** Mark a subquery result column as having been used. +*/ +SQLITE_PRIVATE void sqlite3SrcItemColumnUsed(SrcItem *pItem, int iCol){ + assert( pItem!=0 ); + assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) ); + if( pItem->fg.isNestedFrom ){ + ExprList *pResults; + assert( pItem->pSelect!=0 ); + pResults = pItem->pSelect->pEList; + assert( pResults!=0 ); + assert( iCol>=0 && iColnExpr ); + pResults->a[iCol].fg.bUsed = 1; + } +} + +/* +** Search the tables iStart..iEnd (inclusive) in pSrc, looking for a +** table that has a column named zCol. The search is left-to-right. +** The first match found is returned. ** ** When found, set *piTab and *piCol to the table index and column index ** of the matching column and return TRUE. @@ -129582,22 +140746,27 @@ static int columnIndex(Table *pTab, const char *zCol){ */ static int tableAndColumnIndex( SrcList *pSrc, /* Array of tables to search */ - int N, /* Number of tables in pSrc->a[] to search */ + int iStart, /* First member of pSrc->a[] to check */ + int iEnd, /* Last member of pSrc->a[] to check */ const char *zCol, /* Name of the column we are looking for */ int *piTab, /* Write index of pSrc->a[] here */ int *piCol, /* Write index of pSrc->a[*piTab].pTab->aCol[] here */ - int bIgnoreHidden /* True to ignore hidden columns */ + int bIgnoreHidden /* Ignore hidden columns */ ){ int i; /* For looping over tables in pSrc */ int iCol; /* Index of column matching zCol */ + assert( iEndnSrc ); + assert( iStart>=0 ); assert( (piTab==0)==(piCol==0) ); /* Both or neither are NULL */ - for(i=0; ia[i].pTab, zCol); + + for(i=iStart; i<=iEnd; i++){ + iCol = sqlite3ColumnIndex(pSrc->a[i].pTab, zCol); if( iCol>=0 && (bIgnoreHidden==0 || IsHiddenColumn(&pSrc->a[i].pTab->aCol[iCol])==0) ){ if( piTab ){ + sqlite3SrcItemColumnUsed(&pSrc->a[i], iCol); *piTab = i; *piCol = iCol; } @@ -129608,63 +140777,19 @@ static int tableAndColumnIndex( } /* -** This function is used to add terms implied by JOIN syntax to the -** WHERE clause expression of a SELECT statement. The new term, which -** is ANDed with the existing WHERE clause, is of the form: -** -** (tab1.col1 = tab2.col2) -** -** where tab1 is the iSrc'th table in SrcList pSrc and tab2 is the -** (iSrc+1)'th. Column col1 is column iColLeft of tab1, and col2 is -** column iColRight of tab2. -*/ -static void addWhereTerm( - Parse *pParse, /* Parsing context */ - SrcList *pSrc, /* List of tables in FROM clause */ - int iLeft, /* Index of first table to join in pSrc */ - int iColLeft, /* Index of column in first table */ - int iRight, /* Index of second table in pSrc */ - int iColRight, /* Index of column in second table */ - int isOuterJoin, /* True if this is an OUTER join */ - Expr **ppWhere /* IN/OUT: The WHERE clause to add to */ -){ - sqlite3 *db = pParse->db; - Expr *pE1; - Expr *pE2; - Expr *pEq; - - assert( iLeftnSrc>iRight ); - assert( pSrc->a[iLeft].pTab ); - assert( pSrc->a[iRight].pTab ); - - pE1 = sqlite3CreateColumnExpr(db, pSrc, iLeft, iColLeft); - pE2 = sqlite3CreateColumnExpr(db, pSrc, iRight, iColRight); - - pEq = sqlite3PExpr(pParse, TK_EQ, pE1, pE2); - if( pEq && isOuterJoin ){ - ExprSetProperty(pEq, EP_FromJoin); - assert( !ExprHasProperty(pEq, EP_TokenOnly|EP_Reduced) ); - ExprSetVVAProperty(pEq, EP_NoReduce); - pEq->iRightJoinTable = (i16)pE2->iTable; - } - *ppWhere = sqlite3ExprAnd(pParse, *ppWhere, pEq); -} - -/* -** Set the EP_FromJoin property on all terms of the given expression. -** And set the Expr.iRightJoinTable to iTable for every term in the +** Set the EP_OuterON property on all terms of the given expression. +** And set the Expr.w.iJoin to iTable for every term in the ** expression. ** -** The EP_FromJoin property is used on terms of an expression to tell -** the LEFT OUTER JOIN processing logic that this term is part of the +** The EP_OuterON property is used on terms of an expression to tell +** the OUTER JOIN processing logic that this term is part of the ** join restriction specified in the ON or USING clause and not a part ** of the more general WHERE clause. These terms are moved over to the ** WHERE clause during join processing but we need to remember that they ** originated in the ON or USING clause. ** -** The Expr.iRightJoinTable tells the WHERE clause processing that the -** expression depends on table iRightJoinTable even if that table is not +** The Expr.w.iJoin tells the WHERE clause processing that the +** expression depends on table w.iJoin even if that table is not ** explicitly mentioned in the expression. That information is needed ** for cases like this: ** @@ -129677,114 +140802,131 @@ static void addWhereTerm( ** after the t1 loop and rows with t1.x!=5 will never appear in ** the output, which is incorrect. */ -SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr *p, int iTable){ +SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr *p, int iTable, u32 joinFlag){ + assert( joinFlag==EP_OuterON || joinFlag==EP_InnerON ); while( p ){ - ExprSetProperty(p, EP_FromJoin); + ExprSetProperty(p, joinFlag); assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); ExprSetVVAProperty(p, EP_NoReduce); - p->iRightJoinTable = (i16)iTable; - if( p->op==TK_FUNCTION && p->x.pList ){ - int i; - for(i=0; ix.pList->nExpr; i++){ - sqlite3SetJoinExpr(p->x.pList->a[i].pExpr, iTable); + p->w.iJoin = iTable; + if( p->op==TK_FUNCTION ){ + assert( ExprUseXList(p) ); + if( p->x.pList ){ + int i; + for(i=0; ix.pList->nExpr; i++){ + sqlite3SetJoinExpr(p->x.pList->a[i].pExpr, iTable, joinFlag); + } } } - sqlite3SetJoinExpr(p->pLeft, iTable); + sqlite3SetJoinExpr(p->pLeft, iTable, joinFlag); p = p->pRight; } } -/* Undo the work of sqlite3SetJoinExpr(). In the expression p, convert every -** term that is marked with EP_FromJoin and iRightJoinTable==iTable into -** an ordinary term that omits the EP_FromJoin mark. +/* Undo the work of sqlite3SetJoinExpr(). This is used when a LEFT JOIN +** is simplified into an ordinary JOIN, and when an ON expression is +** "pushed down" into the WHERE clause of a subquery. +** +** Convert every term that is marked with EP_OuterON and w.iJoin==iTable into +** an ordinary term that omits the EP_OuterON mark. Or if iTable<0, then +** just clear every EP_OuterON and EP_InnerON mark from the expression tree. ** -** This happens when a LEFT JOIN is simplified into an ordinary JOIN. +** If nullable is true, that means that Expr p might evaluate to NULL even +** if it is a reference to a NOT NULL column. This can happen, for example, +** if the table that p references is on the left side of a RIGHT JOIN. +** If nullable is true, then take care to not remove the EP_CanBeNull bit. +** See forum thread https://sqlite.org/forum/forumpost/b40696f50145d21c */ -static void unsetJoinExpr(Expr *p, int iTable){ +static void unsetJoinExpr(Expr *p, int iTable, int nullable){ while( p ){ - if( ExprHasProperty(p, EP_FromJoin) - && (iTable<0 || p->iRightJoinTable==iTable) ){ - ExprClearProperty(p, EP_FromJoin); + if( iTable<0 || (ExprHasProperty(p, EP_OuterON) && p->w.iJoin==iTable) ){ + ExprClearProperty(p, EP_OuterON|EP_InnerON); + if( iTable>=0 ) ExprSetProperty(p, EP_InnerON); } - if( p->op==TK_FUNCTION && p->x.pList ){ - int i; - for(i=0; ix.pList->nExpr; i++){ - unsetJoinExpr(p->x.pList->a[i].pExpr, iTable); + if( p->op==TK_COLUMN && p->iTable==iTable && !nullable ){ + ExprClearProperty(p, EP_CanBeNull); + } + if( p->op==TK_FUNCTION ){ + assert( ExprUseXList(p) ); + if( p->x.pList ){ + int i; + for(i=0; ix.pList->nExpr; i++){ + unsetJoinExpr(p->x.pList->a[i].pExpr, iTable, nullable); + } } } - unsetJoinExpr(p->pLeft, iTable); + unsetJoinExpr(p->pLeft, iTable, nullable); p = p->pRight; } } /* ** This routine processes the join information for a SELECT statement. -** ON and USING clauses are converted into extra terms of the WHERE clause. -** NATURAL joins also create extra WHERE clause terms. +** +** * A NATURAL join is converted into a USING join. After that, we +** do not need to be concerned with NATURAL joins and we only have +** think about USING joins. +** +** * ON and USING clauses result in extra terms being added to the +** WHERE clause to enforce the specified constraints. The extra +** WHERE clause terms will be tagged with EP_OuterON or +** EP_InnerON so that we know that they originated in ON/USING. ** ** The terms of a FROM clause are contained in the Select.pSrc structure. ** The left most table is the first entry in Select.pSrc. The right-most ** table is the last entry. The join operator is held in the entry to -** the left. Thus entry 0 contains the join operator for the join between +** the right. Thus entry 1 contains the join operator for the join between ** entries 0 and 1. Any ON or USING clauses associated with the join are -** also attached to the left entry. +** also attached to the right entry. ** ** This routine returns the number of errors encountered. */ -static int sqliteProcessJoin(Parse *pParse, Select *p){ +static int sqlite3ProcessJoin(Parse *pParse, Select *p){ SrcList *pSrc; /* All tables in the FROM clause */ int i, j; /* Loop counters */ - struct SrcList_item *pLeft; /* Left table being joined */ - struct SrcList_item *pRight; /* Right table being joined */ + SrcItem *pLeft; /* Left table being joined */ + SrcItem *pRight; /* Right table being joined */ pSrc = p->pSrc; pLeft = &pSrc->a[0]; pRight = &pLeft[1]; for(i=0; inSrc-1; i++, pRight++, pLeft++){ Table *pRightTab = pRight->pTab; - int isOuter; + u32 joinType; if( NEVER(pLeft->pTab==0 || pRightTab==0) ) continue; - isOuter = (pRight->fg.jointype & JT_OUTER)!=0; + joinType = (pRight->fg.jointype & JT_OUTER)!=0 ? EP_OuterON : EP_InnerON; - /* When the NATURAL keyword is present, add WHERE clause terms for - ** every column that the two tables have in common. + /* If this is a NATURAL join, synthesize an appropriate USING clause + ** to specify which columns should be joined. */ if( pRight->fg.jointype & JT_NATURAL ){ - if( pRight->pOn || pRight->pUsing ){ + IdList *pUsing = 0; + if( pRight->fg.isUsing || pRight->u3.pOn ){ sqlite3ErrorMsg(pParse, "a NATURAL join may not have " "an ON or USING clause", 0); return 1; } for(j=0; jnCol; j++){ char *zName; /* Name of column in the right table */ - int iLeft; /* Matching left table */ - int iLeftCol; /* Matching column in the left table */ if( IsHiddenColumn(&pRightTab->aCol[j]) ) continue; - zName = pRightTab->aCol[j].zName; - if( tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol, 1) ){ - addWhereTerm(pParse, pSrc, iLeft, iLeftCol, i+1, j, - isOuter, &p->pWhere); + zName = pRightTab->aCol[j].zCnName; + if( tableAndColumnIndex(pSrc, 0, i, zName, 0, 0, 1) ){ + pUsing = sqlite3IdListAppend(pParse, pUsing, 0); + if( pUsing ){ + assert( pUsing->nId>0 ); + assert( pUsing->a[pUsing->nId-1].zName==0 ); + pUsing->a[pUsing->nId-1].zName = sqlite3DbStrDup(pParse->db, zName); + } } } - } - - /* Disallow both ON and USING clauses in the same join - */ - if( pRight->pOn && pRight->pUsing ){ - sqlite3ErrorMsg(pParse, "cannot have both ON and USING " - "clauses in the same join"); - return 1; - } - - /* Add the ON clause to the end of the WHERE clause, connected by - ** an AND operator. - */ - if( pRight->pOn ){ - if( isOuter ) sqlite3SetJoinExpr(pRight->pOn, pRight->iCursor); - p->pWhere = sqlite3ExprAnd(pParse, p->pWhere, pRight->pOn); - pRight->pOn = 0; + if( pUsing ){ + pRight->fg.isUsing = 1; + pRight->fg.isSynthUsing = 1; + pRight->u3.pUsing = pUsing; + } + if( pParse->nErr ) return 1; } /* Create extra terms on the WHERE clause for each column named @@ -129794,27 +140936,88 @@ static int sqliteProcessJoin(Parse *pParse, Select *p){ ** Report an error if any column mentioned in the USING clause is ** not contained in both tables to be joined. */ - if( pRight->pUsing ){ - IdList *pList = pRight->pUsing; + if( pRight->fg.isUsing ){ + IdList *pList = pRight->u3.pUsing; + sqlite3 *db = pParse->db; + assert( pList!=0 ); for(j=0; jnId; j++){ char *zName; /* Name of the term in the USING clause */ int iLeft; /* Table on the left with matching column name */ int iLeftCol; /* Column number of matching column on the left */ int iRightCol; /* Column number of matching column on the right */ + Expr *pE1; /* Reference to the column on the LEFT of the join */ + Expr *pE2; /* Reference to the column on the RIGHT of the join */ + Expr *pEq; /* Equality constraint. pE1 == pE2 */ zName = pList->a[j].zName; - iRightCol = columnIndex(pRightTab, zName); + iRightCol = sqlite3ColumnIndex(pRightTab, zName); if( iRightCol<0 - || !tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol, 0) + || tableAndColumnIndex(pSrc, 0, i, zName, &iLeft, &iLeftCol, + pRight->fg.isSynthUsing)==0 ){ sqlite3ErrorMsg(pParse, "cannot join using column %s - column " "not present in both tables", zName); return 1; } - addWhereTerm(pParse, pSrc, iLeft, iLeftCol, i+1, iRightCol, - isOuter, &p->pWhere); + pE1 = sqlite3CreateColumnExpr(db, pSrc, iLeft, iLeftCol); + sqlite3SrcItemColumnUsed(&pSrc->a[iLeft], iLeftCol); + if( (pSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ + /* This branch runs if the query contains one or more RIGHT or FULL + ** JOINs. If only a single table on the left side of this join + ** contains the zName column, then this branch is a no-op. + ** But if there are two or more tables on the left side + ** of the join, construct a coalesce() function that gathers all + ** such tables. Raise an error if more than one of those references + ** to zName is not also within a prior USING clause. + ** + ** We really ought to raise an error if there are two or more + ** non-USING references to zName on the left of an INNER or LEFT + ** JOIN. But older versions of SQLite do not do that, so we avoid + ** adding a new error so as to not break legacy applications. + */ + ExprList *pFuncArgs = 0; /* Arguments to the coalesce() */ + static const Token tkCoalesce = { "coalesce", 8 }; + while( tableAndColumnIndex(pSrc, iLeft+1, i, zName, &iLeft, &iLeftCol, + pRight->fg.isSynthUsing)!=0 ){ + if( pSrc->a[iLeft].fg.isUsing==0 + || sqlite3IdListIndex(pSrc->a[iLeft].u3.pUsing, zName)<0 + ){ + sqlite3ErrorMsg(pParse, "ambiguous reference to %s in USING()", + zName); + break; + } + pFuncArgs = sqlite3ExprListAppend(pParse, pFuncArgs, pE1); + pE1 = sqlite3CreateColumnExpr(db, pSrc, iLeft, iLeftCol); + sqlite3SrcItemColumnUsed(&pSrc->a[iLeft], iLeftCol); + } + if( pFuncArgs ){ + pFuncArgs = sqlite3ExprListAppend(pParse, pFuncArgs, pE1); + pE1 = sqlite3ExprFunction(pParse, pFuncArgs, &tkCoalesce, 0); + } + } + pE2 = sqlite3CreateColumnExpr(db, pSrc, i+1, iRightCol); + sqlite3SrcItemColumnUsed(pRight, iRightCol); + pEq = sqlite3PExpr(pParse, TK_EQ, pE1, pE2); + assert( pE2!=0 || pEq==0 ); + if( pEq ){ + ExprSetProperty(pEq, joinType); + assert( !ExprHasProperty(pEq, EP_TokenOnly|EP_Reduced) ); + ExprSetVVAProperty(pEq, EP_NoReduce); + pEq->w.iJoin = pE2->iTable; + } + p->pWhere = sqlite3ExprAnd(pParse, p->pWhere, pEq); } } + + /* Add the ON clause to the end of the WHERE clause, connected by + ** an AND operator. + */ + else if( pRight->u3.pOn ){ + sqlite3SetJoinExpr(pRight->u3.pOn, pRight->iCursor, joinType); + p->pWhere = sqlite3ExprAnd(pParse, p->pWhere, pRight->u3.pOn); + pRight->u3.pOn = 0; + pRight->fg.isOn = 1; + } } return 0; } @@ -129908,14 +141111,18 @@ static void pushOntoSorter( ** (2) All output columns are included in the sort record. In that ** case regData==regOrigData. ** (3) Some output columns are omitted from the sort record due to - ** the SQLITE_ENABLE_SORTER_REFERENCE optimization, or due to the + ** the SQLITE_ENABLE_SORTER_REFERENCES optimization, or due to the ** SQLITE_ECEL_OMITREF optimization, or due to the - ** SortCtx.pDeferredRowLoad optimiation. In any of these cases + ** SortCtx.pDeferredRowLoad optimization. In any of these cases ** regOrigData is 0 to prevent this routine from trying to copy ** values that might not yet exist. */ assert( nData==1 || regData==regOrigData || regOrigData==0 ); +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + pSort->addrPush = sqlite3VdbeCurrentAddr(v); +#endif + if( nPrefixReg ){ assert( nPrefixReg==nExpr+bSeq ); regBase = regData - nPrefixReg; @@ -129962,7 +141169,7 @@ static void pushOntoSorter( testcase( pKI->nAllField > pKI->nKeyField+2 ); pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat, pKI->nAllField-pKI->nKeyField-1); - pOp = 0; /* Ensure pOp not used after sqltie3VdbeAddOp3() */ + pOp = 0; /* Ensure pOp not used after sqlite3VdbeAddOp3() */ addrJmp = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v); pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse); @@ -130016,6 +141223,9 @@ static void pushOntoSorter( sqlite3VdbeChangeP2(v, iSkip, pSort->labelOBLopt ? pSort->labelOBLopt : sqlite3VdbeCurrentAddr(v)); } +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + pSort->addrPushEnd = sqlite3VdbeCurrentAddr(v)-1; +#endif } /* @@ -130033,31 +141243,157 @@ static void codeOffset( } /* -** Add code that will check to make sure the N registers starting at iMem -** form a distinct entry. iTab is a sorting index that holds previously -** seen combinations of the N values. A new entry is made in iTab -** if the current N values are new. +** Add code that will check to make sure the array of registers starting at +** iMem form a distinct entry. This is used by both "SELECT DISTINCT ..." and +** distinct aggregates ("SELECT count(DISTINCT ) ..."). Three strategies +** are available. Which is used depends on the value of parameter eTnctType, +** as follows: ** -** A jump to addrRepeat is made and the N+1 values are popped from the -** stack if the top N elements are not distinct. -*/ -static void codeDistinct( +** WHERE_DISTINCT_UNORDERED/WHERE_DISTINCT_NOOP: +** Build an ephemeral table that contains all entries seen before and +** skip entries which have been seen before. +** +** Parameter iTab is the cursor number of an ephemeral table that must +** be opened before the VM code generated by this routine is executed. +** The ephemeral cursor table is queried for a record identical to the +** record formed by the current array of registers. If one is found, +** jump to VM address addrRepeat. Otherwise, insert a new record into +** the ephemeral cursor and proceed. +** +** The returned value in this case is a copy of parameter iTab. +** +** WHERE_DISTINCT_ORDERED: +** In this case rows are being delivered sorted order. The ephemeral +** table is not required. Instead, the current set of values +** is compared against previous row. If they match, the new row +** is not distinct and control jumps to VM address addrRepeat. Otherwise, +** the VM program proceeds with processing the new row. +** +** The returned value in this case is the register number of the first +** in an array of registers used to store the previous result row so that +** it can be compared to the next. The caller must ensure that this +** register is initialized to NULL. (The fixDistinctOpenEph() routine +** will take care of this initialization.) +** +** WHERE_DISTINCT_UNIQUE: +** In this case it has already been determined that the rows are distinct. +** No special action is required. The return value is zero. +** +** Parameter pEList is the list of expressions used to generated the +** contents of each row. It is used by this routine to determine (a) +** how many elements there are in the array of registers and (b) the +** collation sequences that should be used for the comparisons if +** eTnctType is WHERE_DISTINCT_ORDERED. +*/ +static int codeDistinct( Parse *pParse, /* Parsing and code generating context */ + int eTnctType, /* WHERE_DISTINCT_* value */ int iTab, /* A sorting index used to test for distinctness */ int addrRepeat, /* Jump to here if not distinct */ - int N, /* Number of elements */ - int iMem /* First element */ + ExprList *pEList, /* Expression for each element */ + int regElem /* First element */ ){ - Vdbe *v; - int r1; + int iRet = 0; + int nResultCol = pEList->nExpr; + Vdbe *v = pParse->pVdbe; - v = pParse->pVdbe; - r1 = sqlite3GetTempReg(pParse); - sqlite3VdbeAddOp4Int(v, OP_Found, iTab, addrRepeat, iMem, N); VdbeCoverage(v); - sqlite3VdbeAddOp3(v, OP_MakeRecord, iMem, N, r1); - sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iTab, r1, iMem, N); - sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); - sqlite3ReleaseTempReg(pParse, r1); + switch( eTnctType ){ + case WHERE_DISTINCT_ORDERED: { + int i; + int iJump; /* Jump destination */ + int regPrev; /* Previous row content */ + + /* Allocate space for the previous row */ + iRet = regPrev = pParse->nMem+1; + pParse->nMem += nResultCol; + + iJump = sqlite3VdbeCurrentAddr(v) + nResultCol; + for(i=0; ia[i].pExpr); + if( idb->mallocFailed ); + sqlite3VdbeAddOp3(v, OP_Copy, regElem, regPrev, nResultCol-1); + break; + } + + case WHERE_DISTINCT_UNIQUE: { + /* nothing to do */ + break; + } + + default: { + int r1 = sqlite3GetTempReg(pParse); + sqlite3VdbeAddOp4Int(v, OP_Found, iTab, addrRepeat, regElem, nResultCol); + VdbeCoverage(v); + sqlite3VdbeAddOp3(v, OP_MakeRecord, regElem, nResultCol, r1); + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iTab, r1, regElem, nResultCol); + sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); + sqlite3ReleaseTempReg(pParse, r1); + iRet = iTab; + break; + } + } + + return iRet; +} + +/* +** This routine runs after codeDistinct(). It makes necessary +** adjustments to the OP_OpenEphemeral opcode that the codeDistinct() +** routine made use of. This processing must be done separately since +** sometimes codeDistinct is called before the OP_OpenEphemeral is actually +** laid down. +** +** WHERE_DISTINCT_NOOP: +** WHERE_DISTINCT_UNORDERED: +** +** No adjustments necessary. This function is a no-op. +** +** WHERE_DISTINCT_UNIQUE: +** +** The ephemeral table is not needed. So change the +** OP_OpenEphemeral opcode into an OP_Noop. +** +** WHERE_DISTINCT_ORDERED: +** +** The ephemeral table is not needed. But we do need register +** iVal to be initialized to NULL. So change the OP_OpenEphemeral +** into an OP_Null on the iVal register. +*/ +static void fixDistinctOpenEph( + Parse *pParse, /* Parsing and code generating context */ + int eTnctType, /* WHERE_DISTINCT_* value */ + int iVal, /* Value returned by codeDistinct() */ + int iOpenEphAddr /* Address of OP_OpenEphemeral instruction for iTab */ +){ + if( pParse->nErr==0 + && (eTnctType==WHERE_DISTINCT_UNIQUE || eTnctType==WHERE_DISTINCT_ORDERED) + ){ + Vdbe *v = pParse->pVdbe; + sqlite3VdbeChangeToNoop(v, iOpenEphAddr); + if( sqlite3VdbeGetOp(v, iOpenEphAddr+1)->opcode==OP_Explain ){ + sqlite3VdbeChangeToNoop(v, iOpenEphAddr+1); + } + if( eTnctType==WHERE_DISTINCT_ORDERED ){ + /* Change the OP_OpenEphemeral to an OP_Null that sets the MEM_Cleared + ** bit on the first register of the previous value. This will cause the + ** OP_Ne added in codeDistinct() to always fail on the first iteration of + ** the loop even if the first row is all NULLs. */ + VdbeOp *pOp = sqlite3VdbeGetOp(v, iOpenEphAddr); + pOp->opcode = OP_Null; + pOp->p1 = 1; + pOp->p2 = iVal; + } + } } #ifdef SQLITE_ENABLE_SORTER_REFERENCES @@ -130077,7 +141413,7 @@ static void codeDistinct( ** retrieved directly from table t1. If the values are very large, this ** can be more efficient than storing them directly in the sorter records. ** -** The ExprList_item.bSorterRef flag is set for each expression in pEList +** The ExprList_item.fg.bSorterRef flag is set for each expression in pEList ** for which the sorter-reference optimization should be enabled. ** Additionally, the pSort->aDefer[] array is populated with entries ** for all cursors required to evaluate all selected expressions. Finally. @@ -130098,9 +141434,13 @@ static void selectExprDefer( struct ExprList_item *pItem = &pEList->a[i]; if( pItem->u.x.iOrderByCol==0 ){ Expr *pExpr = pItem->pExpr; - Table *pTab = pExpr->y.pTab; - if( pExpr->op==TK_COLUMN && pExpr->iColumn>=0 && pTab && !IsVirtual(pTab) - && (pTab->aCol[pExpr->iColumn].colFlags & COLFLAG_SORTERREF) + Table *pTab; + if( pExpr->op==TK_COLUMN + && pExpr->iColumn>=0 + && ALWAYS( ExprUseYTab(pExpr) ) + && (pTab = pExpr->y.pTab)!=0 + && IsOrdinaryTable(pTab) + && (pTab->aCol[pExpr->iColumn].colFlags & COLFLAG_SORTERREF)!=0 ){ int j; for(j=0; jiTable = pExpr->iTable; + assert( ExprUseYTab(pNew) ); pNew->y.pTab = pExpr->y.pTab; pNew->iColumn = pPk ? pPk->aiColumn[k] : -1; pExtra = sqlite3ExprListAppend(pParse, pExtra, pNew); @@ -130132,7 +141473,7 @@ static void selectExprDefer( nDefer++; } } - pItem->bSorterRef = 1; + pItem->fg.bSorterRef = 1; } } } @@ -130263,7 +141604,7 @@ static void selectInnerLoop( for(i=0; inExpr; i++){ if( pEList->a[i].u.x.iOrderByCol>0 #ifdef SQLITE_ENABLE_SORTER_REFERENCES - || pEList->a[i].bSorterRef + || pEList->a[i].fg.bSorterRef #endif ){ nResultCol--; @@ -130305,59 +141646,11 @@ static void selectInnerLoop( ** part of the result. */ if( hasDistinct ){ - switch( pDistinct->eTnctType ){ - case WHERE_DISTINCT_ORDERED: { - VdbeOp *pOp; /* No longer required OpenEphemeral instr. */ - int iJump; /* Jump destination */ - int regPrev; /* Previous row content */ - - /* Allocate space for the previous row */ - regPrev = pParse->nMem+1; - pParse->nMem += nResultCol; - - /* Change the OP_OpenEphemeral coded earlier to an OP_Null - ** sets the MEM_Cleared bit on the first register of the - ** previous value. This will cause the OP_Ne below to always - ** fail on the first iteration of the loop even if the first - ** row is all NULLs. - */ - sqlite3VdbeChangeToNoop(v, pDistinct->addrTnct); - pOp = sqlite3VdbeGetOp(v, pDistinct->addrTnct); - pOp->opcode = OP_Null; - pOp->p1 = 1; - pOp->p2 = regPrev; - pOp = 0; /* Ensure pOp is not used after sqlite3VdbeAddOp() */ - - iJump = sqlite3VdbeCurrentAddr(v) + nResultCol; - for(i=0; ipEList->a[i].pExpr); - if( idb->mallocFailed ); - sqlite3VdbeAddOp3(v, OP_Copy, regResult, regPrev, nResultCol-1); - break; - } - - case WHERE_DISTINCT_UNIQUE: { - sqlite3VdbeChangeToNoop(v, pDistinct->addrTnct); - break; - } - - default: { - assert( pDistinct->eTnctType==WHERE_DISTINCT_UNORDERED ); - codeDistinct(pParse, pDistinct->tabTnct, iContinue, nResultCol, - regResult); - break; - } - } + int eType = pDistinct->eTnctType; + int iTab = pDistinct->tabTnct; + assert( nResultCol==p->pEList->nExpr ); + iTab = codeDistinct(pParse, eType, iTab, iContinue, p->pEList, regResult); + fixDistinctOpenEph(pParse, eType, iTab, pDistinct->addrTnct); if( pSort==0 ){ codeOffset(v, p->iOffset, iContinue); } @@ -130399,6 +141692,16 @@ static void selectInnerLoop( testcase( eDest==SRT_Fifo ); testcase( eDest==SRT_DistFifo ); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1+nPrefixReg); +#if !defined(SQLITE_ENABLE_NULL_TRIM) && defined(SQLITE_DEBUG) + /* A destination of SRT_Table and a non-zero iSDParm2 parameter means + ** that this is an "UPDATE ... FROM" on a virtual table or view. In this + ** case set the p5 parameter of the OP_MakeRecord to OPFLAG_NOCHNG_MAGIC. + ** This does not affect operation in any way - it just allows MakeRecord + ** to process OPFLAG_NOCHANGE values without an assert() failing. */ + if( eDest==SRT_Table && pDest->iSDParm2 ){ + sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG_MAGIC); + } +#endif #ifndef SQLITE_OMIT_CTE if( eDest==SRT_DistFifo ){ /* If the destination is DistFifo, then cursor (iParm+1) is open @@ -130604,7 +141907,7 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){ p->nRef = 1; memset(&p[1], 0, nExtra); }else{ - sqlite3OomFault(db); + return (KeyInfo*)sqlite3OomFault(db); } return p; } @@ -130614,9 +141917,10 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){ */ SQLITE_PRIVATE void sqlite3KeyInfoUnref(KeyInfo *p){ if( p ){ + assert( p->db!=0 ); assert( p->nRef>0 ); p->nRef--; - if( p->nRef==0 ) sqlite3DbFreeNN(p->db, p); + if( p->nRef==0 ) sqlite3DbNNFreeNN(p->db, p); } } @@ -130673,7 +141977,7 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoFromExprList( assert( sqlite3KeyInfoIsWriteable(pInfo) ); for(i=iStart, pItem=pList->a+iStart; iaColl[i-iStart] = sqlite3ExprNNCollSeq(pParse, pItem->pExpr); - pInfo->aSortFlags[i-iStart] = pItem->sortFlags; + pInfo->aSortFlags[i-iStart] = pItem->fg.sortFlags; } } return pInfo; @@ -130682,7 +141986,7 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoFromExprList( /* ** Name of the connection operator, used for error messages. */ -static const char *selectOpName(int id){ +SQLITE_PRIVATE const char *sqlite3SelectOpName(int id){ char *z; switch( id ){ case TK_ALL: z = "UNION ALL"; break; @@ -130755,6 +142059,16 @@ static void generateSortTail( int bSeq; /* True if sorter record includes seq. no. */ int nRefKey = 0; struct ExprList_item *aOutEx = p->pEList->a; +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; /* Address of OP_Explain instruction */ +#endif + + ExplainQueryPlan2(addrExplain, (pParse, 0, + "USE TEMP B-TREE FOR %sORDER BY", pSort->nOBSat>0?"RIGHT PART OF ":"") + ); + sqlite3VdbeScanStatusRange(v, addrExplain,pSort->addrPush,pSort->addrPushEnd); + sqlite3VdbeScanStatusCounters(v, addrExplain, addrExplain, pSort->addrPush); + assert( addrBreak<0 ); if( pSort->labelBkOut ){ @@ -130775,6 +142089,9 @@ static void generateSortTail( iTab = pSort->iECursor; if( eDest==SRT_Output || eDest==SRT_Coroutine || eDest==SRT_Mem ){ + if( eDest==SRT_Mem && p->iOffset ){ + sqlite3VdbeAddOp2(v, OP_Null, 0, pDest->iSdst); + } regRowid = 0; regRow = pDest->iSdst; }else{ @@ -130798,7 +142115,7 @@ static void generateSortTail( if( addrOnce ) sqlite3VdbeJumpHere(v, addrOnce); addr = 1 + sqlite3VdbeAddOp2(v, OP_SorterSort, iTab, addrBreak); VdbeCoverage(v); - codeOffset(v, p->iOffset, addrContinue); + assert( p->iLimit==0 && p->iOffset==0 ); sqlite3VdbeAddOp3(v, OP_SorterData, iTab, regSortOut, iSortTab); bSeq = 0; }else{ @@ -130806,10 +142123,13 @@ static void generateSortTail( codeOffset(v, p->iOffset, addrContinue); iSortTab = iTab; bSeq = 1; + if( p->iOffset>0 ){ + sqlite3VdbeAddOp2(v, OP_AddImm, p->iLimit, -1); + } } for(i=0, iCol=nKey+bSeq-1; i=0; i--){ #ifdef SQLITE_ENABLE_SORTER_REFERENCES - if( aOutEx[i].bSorterRef ){ + if( aOutEx[i].fg.bSorterRef ){ sqlite3ExprCode(pParse, aOutEx[i].pExpr, regRow+i); }else #endif @@ -130861,6 +142181,7 @@ static void generateSortTail( VdbeComment((v, "%s", aOutEx[i].zEName)); } } + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); switch( eDest ){ case SRT_Table: case SRT_EphemTab: { @@ -130922,6 +142243,7 @@ static void generateSortTail( }else{ sqlite3VdbeAddOp2(v, OP_Next, iTab, addr); VdbeCoverage(v); } + sqlite3VdbeScanStatusRange(v, addrExplain, sqlite3VdbeCurrentAddr(v)-1, -1); if( pSort->regReturn ) sqlite3VdbeAddOp1(v, OP_Return, pSort->regReturn); sqlite3VdbeResolveLabel(v, addrBreak); } @@ -130930,9 +142252,6 @@ static void generateSortTail( ** Return a pointer to a string containing the 'declaration type' of the ** expression pExpr. The string may be treated as static by the caller. ** -** Also try to estimate the size of the returned value and return that -** result in *pEstWidth. -** ** The declaration type is the exact datatype definition extracted from the ** original CREATE TABLE statement if the expression is a column. The ** declaration type for a ROWID field is INTEGER. Exactly when an expression @@ -131017,13 +142336,19 @@ static const char *columnTypeImpl( break; } - assert( pTab && pExpr->y.pTab==pTab ); + assert( pTab && ExprUseYTab(pExpr) && pExpr->y.pTab==pTab ); if( pS ){ /* The "table" is actually a sub-select or a view in the FROM clause ** of the SELECT statement. Return the declaration type and origin ** data for the result-set column of the sub-select. */ - if( iCol>=0 && iColpEList->nExpr ){ + if( iColpEList->nExpr +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + && iCol>=0 +#else + && ALWAYS(iCol>=0) +#endif + ){ /* If iCol is less than zero, then the expression requests the ** rowid of the sub-select or view. This expression is legal (see ** test case misc2.2.2) - it always evaluates to NULL. @@ -131045,7 +142370,7 @@ static const char *columnTypeImpl( zType = "INTEGER"; zOrigCol = "rowid"; }else{ - zOrigCol = pTab->aCol[iCol].zName; + zOrigCol = pTab->aCol[iCol].zCnName; zType = sqlite3ColumnType(&pTab->aCol[iCol],0); } zOrigTab = pTab->zName; @@ -131071,9 +142396,11 @@ static const char *columnTypeImpl( ** statement. */ NameContext sNC; - Select *pS = pExpr->x.pSelect; - Expr *p = pS->pEList->a[0].pExpr; - assert( ExprHasProperty(pExpr, EP_xIsSelect) ); + Select *pS; + Expr *p; + assert( ExprUseXSelect(pExpr) ); + pS = pExpr->x.pSelect; + p = pS->pEList->a[0].pExpr; sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; @@ -131165,7 +142492,7 @@ static void generateColumnTypes( ** then the result column name with the table name ** prefix, ex: TABLE.COLUMN. Otherwise use zSpan. */ -static void generateColumnNames( +SQLITE_PRIVATE void sqlite3GenerateColumnNames( Parse *pParse, /* Parser context */ Select *pSelect /* Generate column names for this SELECT statement */ ){ @@ -131178,17 +142505,10 @@ static void generateColumnNames( int fullName; /* TABLE.COLUMN if no AS clause and is a direct table ref */ int srcName; /* COLUMN or TABLE.COLUMN if no AS clause and is direct */ -#ifndef SQLITE_OMIT_EXPLAIN - /* If this is an EXPLAIN, skip this step */ - if( pParse->explain ){ - return; - } -#endif - if( pParse->colNamesSet ) return; /* Column names are determined by the left-most term of a compound select */ while( pSelect->pPrior ) pSelect = pSelect->pPrior; - SELECTTRACE(1,pParse,pSelect,("generating column names\n")); + TREETRACE(0x80,pParse,pSelect,("generating column names\n")); pTabList = pSelect->pSrc; pEList = pSelect->pEList; assert( v!=0 ); @@ -131202,8 +142522,9 @@ static void generateColumnNames( assert( p!=0 ); assert( p->op!=TK_AGG_COLUMN ); /* Agg processing has not run yet */ - assert( p->op!=TK_COLUMN || p->y.pTab!=0 ); /* Covering idx not yet coded */ - if( pEList->a[i].zEName && pEList->a[i].eEName==ENAME_NAME ){ + assert( p->op!=TK_COLUMN + || (ExprUseYTab(p) && p->y.pTab!=0) ); /* Covering idx not yet coded */ + if( pEList->a[i].zEName && pEList->a[i].fg.eEName==ENAME_NAME ){ /* An AS clause always takes first priority */ char *zName = pEList->a[i].zEName; sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_TRANSIENT); @@ -131217,7 +142538,7 @@ static void generateColumnNames( if( iCol<0 ){ zCol = "rowid"; }else{ - zCol = pTab->aCol[iCol].zName; + zCol = pTab->aCol[iCol].zCnName; } if( fullName ){ char *zName = 0; @@ -131255,7 +142576,7 @@ static void generateColumnNames( ** and will break if those assumptions changes. Hence, use extreme caution ** when modifying this routine to avoid breaking legacy. ** -** See Also: generateColumnNames() +** See Also: sqlite3GenerateColumnNames() */ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( Parse *pParse, /* Parsing context */ @@ -131271,13 +142592,14 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( char *zName; /* Column name */ int nName; /* Size of name in zName[] */ Hash ht; /* Hash table of column names */ + Table *pTab; sqlite3HashInit(&ht); if( pEList ){ nCol = pEList->nExpr; aCol = sqlite3DbMallocZero(db, sizeof(aCol[0])*nCol); testcase( aCol==0 ); - if( nCol>32767 ) nCol = 32767; + if( NEVER(nCol>32767) ) nCol = 32767; }else{ nCol = 0; aCol = 0; @@ -131286,30 +142608,34 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( *pnCol = nCol; *paCol = aCol; - for(i=0, pCol=aCol; imallocFailed; i++, pCol++){ + for(i=0, pCol=aCol; inErr; i++, pCol++){ + struct ExprList_item *pX = &pEList->a[i]; + struct ExprList_item *pCollide; /* Get an appropriate name for the column */ - if( (zName = pEList->a[i].zEName)!=0 && pEList->a[i].eEName==ENAME_NAME ){ + if( (zName = pX->zEName)!=0 && pX->fg.eEName==ENAME_NAME ){ /* If the column contains an "AS " phrase, use as the name */ }else{ - Expr *pColExpr = sqlite3ExprSkipCollateAndLikely(pEList->a[i].pExpr); - while( pColExpr->op==TK_DOT ){ + Expr *pColExpr = sqlite3ExprSkipCollateAndLikely(pX->pExpr); + while( ALWAYS(pColExpr!=0) && pColExpr->op==TK_DOT ){ pColExpr = pColExpr->pRight; assert( pColExpr!=0 ); } - if( pColExpr->op==TK_COLUMN ){ + if( pColExpr->op==TK_COLUMN + && ALWAYS( ExprUseYTab(pColExpr) ) + && ALWAYS( pColExpr->y.pTab!=0 ) + ){ /* For columns use the column name name */ int iCol = pColExpr->iColumn; - Table *pTab = pColExpr->y.pTab; - assert( pTab!=0 ); + pTab = pColExpr->y.pTab; if( iCol<0 ) iCol = pTab->iPKey; - zName = iCol>=0 ? pTab->aCol[iCol].zName : "rowid"; + zName = iCol>=0 ? pTab->aCol[iCol].zCnName : "rowid"; }else if( pColExpr->op==TK_ID ){ assert( !ExprHasProperty(pColExpr, EP_IntValue) ); zName = pColExpr->u.zToken; }else{ /* Use the original text of the column expression as its name */ - zName = pEList->a[i].zEName; + assert( zName==pX->zEName ); /* pointer comparison intended */ } } if( zName && !sqlite3IsTrueOrFalse(zName) ){ @@ -131322,87 +142648,134 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( ** append an integer to the name so that it becomes unique. */ cnt = 0; - while( zName && sqlite3HashFind(&ht, zName)!=0 ){ + while( zName && (pCollide = sqlite3HashFind(&ht, zName))!=0 ){ + if( pCollide->fg.bUsingTerm ){ + pCol->colFlags |= COLFLAG_NOEXPAND; + } nName = sqlite3Strlen30(zName); if( nName>0 ){ for(j=nName-1; j>0 && sqlite3Isdigit(zName[j]); j--){} if( zName[j]==':' ) nName = j; } zName = sqlite3MPrintf(db, "%.*z:%u", nName, zName, ++cnt); - if( cnt>3 ) sqlite3_randomness(sizeof(cnt), &cnt); + sqlite3ProgressCheck(pParse); + if( cnt>3 ){ + sqlite3_randomness(sizeof(cnt), &cnt); + } } - pCol->zName = zName; + pCol->zCnName = zName; pCol->hName = sqlite3StrIHash(zName); + if( pX->fg.bNoExpand ){ + pCol->colFlags |= COLFLAG_NOEXPAND; + } sqlite3ColumnPropertiesFromName(0, pCol); - if( zName && sqlite3HashInsert(&ht, zName, pCol)==pCol ){ + if( zName && sqlite3HashInsert(&ht, zName, pX)==pX ){ sqlite3OomFault(db); } } sqlite3HashClear(&ht); - if( db->mallocFailed ){ + if( pParse->nErr ){ for(j=0; jrc; } return SQLITE_OK; } /* -** Add type and collation information to a column list based on -** a SELECT statement. +** pTab is a transient Table object that represents a subquery of some +** kind (maybe a parenthesized subquery in the FROM clause of a larger +** query, or a VIEW, or a CTE). This routine computes type information +** for that Table object based on the Select object that implements the +** subquery. For the purposes of this routine, "type information" means: ** -** The column list presumably came from selectColumnNamesFromExprList(). -** The column list has only names, not types or collations. This -** routine goes through and adds the types and collations. -** -** This routine requires that all identifiers in the SELECT -** statement be resolved. +** * The datatype name, as it might appear in a CREATE TABLE statement +** * Which collating sequence to use for the column +** * The affinity of the column */ -SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation( - Parse *pParse, /* Parsing contexts */ - Table *pTab, /* Add column type information to this table */ - Select *pSelect, /* SELECT used to determine types and collations */ - char aff /* Default affinity for columns */ +SQLITE_PRIVATE void sqlite3SubqueryColumnTypes( + Parse *pParse, /* Parsing contexts */ + Table *pTab, /* Add column type information to this table */ + Select *pSelect, /* SELECT used to determine types and collations */ + char aff /* Default affinity. */ ){ sqlite3 *db = pParse->db; - NameContext sNC; Column *pCol; CollSeq *pColl; - int i; + int i,j; Expr *p; struct ExprList_item *a; + NameContext sNC; assert( pSelect!=0 ); assert( (pSelect->selFlags & SF_Resolved)!=0 ); - assert( pTab->nCol==pSelect->pEList->nExpr || db->mallocFailed ); - if( db->mallocFailed ) return; + assert( pTab->nCol==pSelect->pEList->nExpr || pParse->nErr>0 ); + assert( aff==SQLITE_AFF_NONE || aff==SQLITE_AFF_BLOB ); + if( db->mallocFailed || IN_RENAME_OBJECT ) return; + while( pSelect->pPrior ) pSelect = pSelect->pPrior; + a = pSelect->pEList->a; memset(&sNC, 0, sizeof(sNC)); sNC.pSrcList = pSelect->pSrc; - a = pSelect->pEList->a; for(i=0, pCol=pTab->aCol; inCol; i++, pCol++){ const char *zType; - int n, m; + i64 n; + pTab->tabFlags |= (pCol->colFlags & COLFLAG_NOINSERT); p = a[i].pExpr; - zType = columnType(&sNC, p, 0, 0, 0); /* pCol->szEst = ... // Column size est for SELECT tables never used */ pCol->affinity = sqlite3ExprAffinity(p); + if( pCol->affinity<=SQLITE_AFF_NONE ){ + pCol->affinity = aff; + } + if( pCol->affinity>=SQLITE_AFF_TEXT && pSelect->pNext ){ + int m = 0; + Select *pS2; + for(m=0, pS2=pSelect->pNext; pS2; pS2=pS2->pNext){ + m |= sqlite3ExprDataType(pS2->pEList->a[i].pExpr); + } + if( pCol->affinity==SQLITE_AFF_TEXT && (m&0x01)!=0 ){ + pCol->affinity = SQLITE_AFF_BLOB; + }else + if( pCol->affinity>=SQLITE_AFF_NUMERIC && (m&0x02)!=0 ){ + pCol->affinity = SQLITE_AFF_BLOB; + } + if( pCol->affinity>=SQLITE_AFF_NUMERIC && p->op==TK_CAST ){ + pCol->affinity = SQLITE_AFF_FLEXNUM; + } + } + zType = columnType(&sNC, p, 0, 0, 0); + if( zType==0 || pCol->affinity!=sqlite3AffinityType(zType, 0) ){ + if( pCol->affinity==SQLITE_AFF_NUMERIC + || pCol->affinity==SQLITE_AFF_FLEXNUM + ){ + zType = "NUM"; + }else{ + zType = 0; + for(j=1; jaffinity ){ + zType = sqlite3StdType[j]; + break; + } + } + } + } if( zType ){ - m = sqlite3Strlen30(zType); - n = sqlite3Strlen30(pCol->zName); - pCol->zName = sqlite3DbReallocOrFree(db, pCol->zName, n+m+2); - if( pCol->zName ){ - memcpy(&pCol->zName[n+1], zType, m+1); + i64 m = sqlite3Strlen30(zType); + n = sqlite3Strlen30(pCol->zCnName); + pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2); + pCol->colFlags &= ~(COLFLAG_HASTYPE|COLFLAG_HASCOLL); + if( pCol->zCnName ){ + memcpy(&pCol->zCnName[n+1], zType, m+1); pCol->colFlags |= COLFLAG_HASTYPE; } } - if( pCol->affinity<=SQLITE_AFF_NONE ) pCol->affinity = aff; pColl = sqlite3ExprCollSeq(pParse, p); - if( pColl && pCol->zColl==0 ){ - pCol->zColl = sqlite3DbStrDup(db, pColl->zName); + if( pColl ){ + assert( pTab->pIndex==0 ); + sqlite3ColumnSetColl(db, pCol, pColl->zName); } } pTab->szTabRow = 1; /* Any non-zero value works */ @@ -131432,7 +142805,7 @@ SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse *pParse, Select *pSelect, c pTab->zName = 0; pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); sqlite3ColumnsFromExprList(pParse, pSelect->pEList, &pTab->nCol, &pTab->aCol); - sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSelect, aff); + sqlite3SubqueryColumnTypes(pParse, pTab, pSelect, aff); pTab->iPKey = -1; if( db->mallocFailed ){ sqlite3DeleteTable(db, pTab); @@ -131566,7 +142939,7 @@ static CollSeq *multiSelectCollSeq(Parse *pParse, Select *p, int iCol){ */ static KeyInfo *multiSelectOrderByKeyInfo(Parse *pParse, Select *p, int nExtra){ ExprList *pOrderBy = p->pOrderBy; - int nOrderBy = p->pOrderBy->nExpr; + int nOrderBy = ALWAYS(pOrderBy!=0) ? pOrderBy->nExpr : 0; sqlite3 *db = pParse->db; KeyInfo *pRet = sqlite3KeyInfoAlloc(db, nOrderBy+nExtra, 1); if( pRet ){ @@ -131586,7 +142959,7 @@ static KeyInfo *multiSelectOrderByKeyInfo(Parse *pParse, Select *p, int nExtra){ } assert( sqlite3KeyInfoIsWriteable(pRet) ); pRet->aColl[i] = pColl; - pRet->aSortFlags[i] = pOrderBy->a[i].sortFlags; + pRet->aSortFlags[i] = pOrderBy->a[i].fg.sortFlags; } } @@ -131638,7 +143011,8 @@ static void generateWithRecursiveQuery( SrcList *pSrc = p->pSrc; /* The FROM clause of the recursive query */ int nCol = p->pEList->nExpr; /* Number of columns in the recursive table */ Vdbe *v = pParse->pVdbe; /* The prepared statement under construction */ - Select *pSetup = p->pPrior; /* The setup query */ + Select *pSetup; /* The setup query */ + Select *pFirstRec; /* Left-most recursive term */ int addrTop; /* Top of the loop */ int addrCont, addrBreak; /* CONTINUE and BREAK addresses */ int iCurrent = 0; /* The Current table */ @@ -131646,7 +143020,7 @@ static void generateWithRecursiveQuery( int iQueue; /* The Queue table */ int iDistinct = 0; /* To ensure unique results if UNION */ int eDest = SRT_Fifo; /* How to write to Queue */ - SelectDest destQueue; /* SelectDest targetting the Queue table */ + SelectDest destQueue; /* SelectDest targeting the Queue table */ int i; /* Loop counter */ int rc; /* Result code */ ExprList *pOrderBy; /* The ORDER BY clause */ @@ -131714,7 +143088,24 @@ static void generateWithRecursiveQuery( /* Detach the ORDER BY clause from the compound SELECT */ p->pOrderBy = 0; + /* Figure out how many elements of the compound SELECT are part of the + ** recursive query. Make sure no recursive elements use aggregate + ** functions. Mark the recursive elements as UNION ALL even if they + ** are really UNION because the distinctness will be enforced by the + ** iDistinct table. pFirstRec is left pointing to the left-most + ** recursive term of the CTE. + */ + for(pFirstRec=p; ALWAYS(pFirstRec!=0); pFirstRec=pFirstRec->pPrior){ + if( pFirstRec->selFlags & SF_Aggregate ){ + sqlite3ErrorMsg(pParse, "recursive aggregate queries not supported"); + goto end_of_recursive_query; + } + pFirstRec->op = TK_ALL; + if( (pFirstRec->pPrior->selFlags & SF_Recursive)==0 ) break; + } + /* Store the results of the setup-query in Queue. */ + pSetup = pFirstRec->pPrior; pSetup->pNext = 0; ExplainQueryPlan((pParse, 1, "SETUP")); rc = sqlite3Select(pParse, pSetup, &destQueue); @@ -131747,15 +143138,11 @@ static void generateWithRecursiveQuery( /* Execute the recursive SELECT taking the single row in Current as ** the value for the recursive-table. Store the results in the Queue. */ - if( p->selFlags & SF_Aggregate ){ - sqlite3ErrorMsg(pParse, "recursive aggregate queries not supported"); - }else{ - p->pPrior = 0; - ExplainQueryPlan((pParse, 1, "RECURSIVE STEP")); - sqlite3Select(pParse, p, &destQueue); - assert( p->pPrior==0 ); - p->pPrior = pSetup; - } + pFirstRec->pPrior = 0; + ExplainQueryPlan((pParse, 1, "RECURSIVE STEP")); + sqlite3Select(pParse, p, &destQueue); + assert( pFirstRec->pPrior==0 ); + pFirstRec->pPrior = pSetup; /* Keep running the loop until the Queue is empty */ sqlite3VdbeGoto(v, addrTop); @@ -131790,7 +143177,7 @@ static int multiSelectOrderBy( ** The "LIMIT of exactly 1" case of condition (1) comes about when a VALUES ** clause occurs within scalar expression (ex: "SELECT (VALUES(1),(2),(3))"). ** The sqlite3CodeSubselect will have added the LIMIT 1 clause in tht case. -** Since the limit is exactly 1, we only need to evalutes the left-most VALUES. +** Since the limit is exactly 1, we only need to evaluate the left-most VALUES. */ static int multiSelectValues( Parse *pParse, /* Parsing context */ @@ -131824,6 +143211,16 @@ static int multiSelectValues( return rc; } +/* +** Return true if the SELECT statement which is known to be the recursive +** part of a recursive CTE still has its anchor terms attached. If the +** anchor terms have already been removed, then return false. +*/ +static int hasAnchor(Select *p){ + while( p && (p->selFlags & SF_Recursive)!=0 ){ p = p->pPrior; } + return p!=0; +} + /* ** This routine is called to process a compound query form from ** two or more separate queries using UNION, UNION ALL, EXCEPT, or @@ -131876,12 +143273,8 @@ static int multiSelect( db = pParse->db; pPrior = p->pPrior; dest = *pDest; - if( pPrior->pOrderBy || pPrior->pLimit ){ - sqlite3ErrorMsg(pParse,"%s clause should come after %s not before", - pPrior->pOrderBy!=0 ? "ORDER BY" : "LIMIT", selectOpName(p->op)); - rc = 1; - goto multi_select_end; - } + assert( pPrior->pOrderBy==0 ); + assert( pPrior->pLimit==0 ); v = sqlite3GetVdbe(pParse); assert( v!=0 ); /* The VDBE already created by calling function */ @@ -131909,7 +143302,7 @@ static int multiSelect( assert( p->pEList->nExpr==pPrior->pEList->nExpr ); #ifndef SQLITE_OMIT_CTE - if( p->selFlags & SF_Recursive ){ + if( (p->selFlags & SF_Recursive)!=0 && hasAnchor(p) ){ generateWithRecursiveQuery(pParse, p, &dest); }else #endif @@ -131932,13 +143325,14 @@ static int multiSelect( switch( p->op ){ case TK_ALL: { int addr = 0; - int nLimit; + int nLimit = 0; /* Initialize to suppress harmless compiler warning */ assert( !pPrior->pLimit ); pPrior->iLimit = p->iLimit; pPrior->iOffset = p->iOffset; pPrior->pLimit = p->pLimit; + TREETRACE(0x200, pParse, p, ("multiSelect UNION ALL left...\n")); rc = sqlite3Select(pParse, pPrior, &dest); - p->pLimit = 0; + pPrior->pLimit = 0; if( rc ){ goto multi_select_end; } @@ -131954,13 +143348,14 @@ static int multiSelect( } } ExplainQueryPlan((pParse, 1, "UNION ALL")); + TREETRACE(0x200, pParse, p, ("multiSelect UNION ALL right...\n")); rc = sqlite3Select(pParse, p, &dest); testcase( rc!=SQLITE_OK ); pDelete = p->pPrior; p->pPrior = pPrior; p->nSelectRow = sqlite3LogEstAdd(p->nSelectRow, pPrior->nSelectRow); - if( pPrior->pLimit - && sqlite3ExprIsInteger(pPrior->pLimit->pLeft, &nLimit) + if( p->pLimit + && sqlite3ExprIsInteger(p->pLimit->pLeft, &nLimit) && nLimit>0 && p->nSelectRow > sqlite3LogEst((u64)nLimit) ){ p->nSelectRow = sqlite3LogEst((u64)nLimit); @@ -132001,10 +143396,12 @@ static int multiSelect( assert( p->pEList ); } + /* Code the SELECT statements to our left */ assert( !pPrior->pOrderBy ); sqlite3SelectDestInit(&uniondest, priorOp, unionTab); + TREETRACE(0x200, pParse, p, ("multiSelect EXCEPT/UNION left...\n")); rc = sqlite3Select(pParse, pPrior, &uniondest); if( rc ){ goto multi_select_end; @@ -132023,7 +143420,8 @@ static int multiSelect( p->pLimit = 0; uniondest.eDest = op; ExplainQueryPlan((pParse, 1, "%s USING TEMP B-TREE", - selectOpName(p->op))); + sqlite3SelectOpName(p->op))); + TREETRACE(0x200, pParse, p, ("multiSelect EXCEPT/UNION right...\n")); rc = sqlite3Select(pParse, p, &uniondest); testcase( rc!=SQLITE_OK ); assert( p->pOrderBy==0 ); @@ -132084,6 +143482,7 @@ static int multiSelect( /* Code the SELECTs to our left into temporary table "tab1". */ sqlite3SelectDestInit(&intersectdest, SRT_Union, tab1); + TREETRACE(0x400, pParse, p, ("multiSelect INTERSECT left...\n")); rc = sqlite3Select(pParse, pPrior, &intersectdest); if( rc ){ goto multi_select_end; @@ -132099,7 +143498,8 @@ static int multiSelect( p->pLimit = 0; intersectdest.iSDParm = tab2; ExplainQueryPlan((pParse, 1, "%s USING TEMP B-TREE", - selectOpName(p->op))); + sqlite3SelectOpName(p->op))); + TREETRACE(0x400, pParse, p, ("multiSelect INTERSECT right...\n")); rc = sqlite3Select(pParse, p, &intersectdest); testcase( rc!=SQLITE_OK ); pDelete = p->pPrior; @@ -132160,6 +143560,7 @@ static int multiSelect( int nCol; /* Number of columns in result set */ assert( p->pNext==0 ); + assert( p->pEList!=0 ); nCol = p->pEList->nExpr; pKeyInfo = sqlite3KeyInfoAlloc(db, nCol, 1); if( !pKeyInfo ){ @@ -132194,7 +143595,11 @@ static int multiSelect( multi_select_end: pDest->iSdst = dest.iSdst; pDest->nSdst = dest.nSdst; - sqlite3SelectDelete(db, pDelete); + if( pDelete ){ + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3SelectDelete, + pDelete); + } return rc; } #endif /* SQLITE_OMIT_COMPOUND_SELECT */ @@ -132208,13 +143613,14 @@ SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p){ sqlite3ErrorMsg(pParse, "all VALUES must have the same number of terms"); }else{ sqlite3ErrorMsg(pParse, "SELECTs to the left and right of %s" - " do not have the same number of result columns", selectOpName(p->op)); + " do not have the same number of result columns", + sqlite3SelectOpName(p->op)); } } /* ** Code an output subroutine for a coroutine implementation of a -** SELECT statment. +** SELECT statement. ** ** The data to be output is contained in pIn->iSdst. There are ** pIn->nSdst columns to be output. pDest is where the output should @@ -132305,10 +143711,8 @@ static int generateOutputSubroutine( ** if it is the RHS of a row-value IN operator. */ case SRT_Mem: { - if( pParse->nErr==0 ){ - testcase( pIn->nSdst>1 ); - sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, pIn->nSdst); - } + testcase( pIn->nSdst>1 ); + sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, pIn->nSdst); /* The LIMIT clause will jump out of the loop for us */ break; } @@ -132438,7 +143842,7 @@ static int generateOutputSubroutine( ** ** We call AltB, AeqB, AgtB, EofA, and EofB "subroutines" but they are not ** actually called using Gosub and they do not Return. EofA and EofB loop -** until all data is exhausted then jump to the "end" labe. AltB, AeqB, +** until all data is exhausted then jump to the "end" label. AltB, AeqB, ** and AgtB jump to either L2 or to one of EofA or EofB. */ #ifndef SQLITE_OMIT_COMPOUND_SELECT @@ -132449,6 +143853,8 @@ static int multiSelectOrderBy( ){ int i, j; /* Loop counters */ Select *pPrior; /* Another SELECT immediately to our left */ + Select *pSplit; /* Left-most SELECT in the right-hand group */ + int nSelect; /* Number of SELECT statements in the compound */ Vdbe *v; /* Generate code to this VDBE */ SelectDest destA; /* Destination for coroutine A */ SelectDest destB; /* Destination for coroutine B */ @@ -132473,7 +143879,7 @@ static int multiSelectOrderBy( int savedOffset; /* Saved value of p->iOffset */ int labelCmpr; /* Label for the start of the merge algorithm */ int labelEnd; /* Label for the end of the overall SELECT stmt */ - int addr1; /* Jump instructions that get retargetted */ + int addr1; /* Jump instructions that get retargeted */ int op; /* One of TK_ALL, TK_UNION, TK_EXCEPT, TK_INTERSECT */ KeyInfo *pKeyDup = 0; /* Comparison information for duplicate removal */ KeyInfo *pKeyMerge; /* Comparison information for merging rows */ @@ -132494,8 +143900,7 @@ static int multiSelectOrderBy( /* Patch up the ORDER BY clause */ op = p->op; - pPrior = p->pPrior; - assert( pPrior->pOrderBy==0 ); + assert( p->pPrior->pOrderBy==0 ); pOrderBy = p->pOrderBy; assert( pOrderBy ); nOrderBy = pOrderBy->nExpr; @@ -132508,6 +143913,7 @@ static int multiSelectOrderBy( for(i=1; db->mallocFailed==0 && i<=p->pEList->nExpr; i++){ struct ExprList_item *pItem; for(j=0, pItem=pOrderBy->a; ju.x.iOrderByCol>0 ); if( pItem->u.x.iOrderByCol==i ) break; } @@ -132534,6 +143940,7 @@ static int multiSelectOrderBy( struct ExprList_item *pItem; aPermute[0] = nOrderBy; for(i=1, pItem=pOrderBy->a; i<=nOrderBy; i++, pItem++){ + assert( pItem!=0 ); assert( pItem->u.x.iOrderByCol>0 ); assert( pItem->u.x.iOrderByCol<=p->pEList->nExpr ); aPermute[i] = pItem->u.x.iOrderByCol - 1; @@ -132543,11 +143950,6 @@ static int multiSelectOrderBy( pKeyMerge = 0; } - /* Reattach the ORDER BY clause to the query. - */ - p->pOrderBy = pOrderBy; - pPrior->pOrderBy = sqlite3ExprListDup(pParse->db, pOrderBy, 0); - /* Allocate a range of temporary registers and the KeyInfo needed ** for the logic that removes duplicate result rows when the ** operator is UNION, EXCEPT, or INTERSECT (but not UNION ALL). @@ -132572,12 +143974,30 @@ static int multiSelectOrderBy( /* Separate the left and the right query from one another */ - p->pPrior = 0; + nSelect = 1; + if( (op==TK_ALL || op==TK_UNION) + && OptimizationEnabled(db, SQLITE_BalancedMerge) + ){ + for(pSplit=p; pSplit->pPrior!=0 && pSplit->op==op; pSplit=pSplit->pPrior){ + nSelect++; + assert( pSplit->pPrior->pNext==pSplit ); + } + } + if( nSelect<=3 ){ + pSplit = p; + }else{ + pSplit = p; + for(i=2; ipPrior; } + } + pPrior = pSplit->pPrior; + assert( pPrior!=0 ); + pSplit->pPrior = 0; pPrior->pNext = 0; + assert( p->pOrderBy == pOrderBy ); + assert( pOrderBy!=0 || db->mallocFailed ); + pPrior->pOrderBy = sqlite3ExprListDup(pParse->db, pOrderBy, 0); sqlite3ResolveOrderGroupBy(pParse, p, p->pOrderBy, "ORDER"); - if( pPrior->pPrior==0 ){ - sqlite3ResolveOrderGroupBy(pParse, pPrior, pPrior->pOrderBy, "ORDER"); - } + sqlite3ResolveOrderGroupBy(pParse, pPrior, pPrior->pOrderBy, "ORDER"); /* Compute the limit registers */ computeLimitRegisters(pParse, p, labelEnd); @@ -132600,7 +144020,7 @@ static int multiSelectOrderBy( sqlite3SelectDestInit(&destA, SRT_Coroutine, regAddrA); sqlite3SelectDestInit(&destB, SRT_Coroutine, regAddrB); - ExplainQueryPlan((pParse, 1, "MERGE (%s)", selectOpName(p->op))); + ExplainQueryPlan((pParse, 1, "MERGE (%s)", sqlite3SelectOpName(p->op))); /* Generate a coroutine to evaluate the SELECT statement to the ** left of the compound operator - the "A" select. @@ -132726,13 +144146,16 @@ static int multiSelectOrderBy( */ sqlite3VdbeResolveLabel(v, labelEnd); - /* Reassembly the compound query so that it will be freed correctly - ** by the calling function */ - if( p->pPrior ){ - sqlite3SelectDelete(db, p->pPrior); + /* Make arrangements to free the 2nd and subsequent arms of the compound + ** after the parse has finished */ + if( pSplit->pPrior ){ + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3SelectDelete, pSplit->pPrior); } - p->pPrior = pPrior; - pPrior->pNext = p; + pSplit->pPrior = pPrior; + pPrior->pNext = pSplit; + sqlite3ExprListDelete(db, pPrior->pOrderBy); + pPrior->pOrderBy = 0; /*** TBD: Insert subroutine calls to close cursors on incomplete **** subqueries ****/ @@ -132748,13 +144171,42 @@ static int multiSelectOrderBy( ** ** All references to columns in table iTable are to be replaced by corresponding ** expressions in pEList. +** +** ## About "isOuterJoin": +** +** The isOuterJoin column indicates that the replacement will occur into a +** position in the parent that NULL-able due to an OUTER JOIN. Either the +** target slot in the parent is the right operand of a LEFT JOIN, or one of +** the left operands of a RIGHT JOIN. In either case, we need to potentially +** bypass the substituted expression with OP_IfNullRow. +** +** Suppose the original expression is an integer constant. Even though the table +** has the nullRow flag set, because the expression is an integer constant, +** it will not be NULLed out. So instead, we insert an OP_IfNullRow opcode +** that checks to see if the nullRow flag is set on the table. If the nullRow +** flag is set, then the value in the register is set to NULL and the original +** expression is bypassed. If the nullRow flag is not set, then the original +** expression runs to populate the register. +** +** Example where this is needed: +** +** CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT); +** CREATE TABLE t2(x INT UNIQUE); +** +** SELECT a,b,m,x FROM t1 LEFT JOIN (SELECT 59 AS m,x FROM t2) ON b=x; +** +** When the subquery on the right side of the LEFT JOIN is flattened, we +** have to add OP_IfNullRow in front of the OP_Integer that implements the +** "m" value of the subquery so that a NULL will be loaded instead of 59 +** when processing a non-matched row of the left. */ typedef struct SubstContext { Parse *pParse; /* The parsing context */ int iTable; /* Replace references to this table */ int iNewTable; /* New table number */ - int isLeftJoin; /* Add TK_IF_NULL_ROW opcodes on each replacement */ + int isOuterJoin; /* Add TK_IF_NULL_ROW opcodes on each replacement */ ExprList *pEList; /* Replacement expressions */ + ExprList *pCList; /* Collation sequences for replacement expr */ } SubstContext; /* Forward Declarations */ @@ -132779,58 +144231,81 @@ static Expr *substExpr( Expr *pExpr /* Expr in which substitution occurs */ ){ if( pExpr==0 ) return 0; - if( ExprHasProperty(pExpr, EP_FromJoin) - && pExpr->iRightJoinTable==pSubst->iTable + if( ExprHasProperty(pExpr, EP_OuterON|EP_InnerON) + && pExpr->w.iJoin==pSubst->iTable ){ - pExpr->iRightJoinTable = pSubst->iNewTable; + testcase( ExprHasProperty(pExpr, EP_InnerON) ); + pExpr->w.iJoin = pSubst->iNewTable; } if( pExpr->op==TK_COLUMN && pExpr->iTable==pSubst->iTable && !ExprHasProperty(pExpr, EP_FixedCol) ){ +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW if( pExpr->iColumn<0 ){ pExpr->op = TK_NULL; - }else{ + }else +#endif + { Expr *pNew; - Expr *pCopy = pSubst->pEList->a[pExpr->iColumn].pExpr; + int iColumn; + Expr *pCopy; Expr ifNullRow; - assert( pSubst->pEList!=0 && pExpr->iColumnpEList->nExpr ); + iColumn = pExpr->iColumn; + assert( iColumn>=0 ); + assert( pSubst->pEList!=0 && iColumnpEList->nExpr ); assert( pExpr->pRight==0 ); + pCopy = pSubst->pEList->a[iColumn].pExpr; if( sqlite3ExprIsVector(pCopy) ){ sqlite3VectorErrorMsg(pSubst->pParse, pCopy); }else{ sqlite3 *db = pSubst->pParse->db; - if( pSubst->isLeftJoin && pCopy->op!=TK_COLUMN ){ + if( pSubst->isOuterJoin + && (pCopy->op!=TK_COLUMN || pCopy->iTable!=pSubst->iNewTable) + ){ memset(&ifNullRow, 0, sizeof(ifNullRow)); ifNullRow.op = TK_IF_NULL_ROW; ifNullRow.pLeft = pCopy; ifNullRow.iTable = pSubst->iNewTable; - ifNullRow.flags = EP_Skip; + ifNullRow.iColumn = -99; + ifNullRow.flags = EP_IfNullRow; pCopy = &ifNullRow; } testcase( ExprHasProperty(pCopy, EP_Subquery) ); pNew = sqlite3ExprDup(db, pCopy, 0); - if( pNew && pSubst->isLeftJoin ){ + if( db->mallocFailed ){ + sqlite3ExprDelete(db, pNew); + return pExpr; + } + if( pSubst->isOuterJoin ){ ExprSetProperty(pNew, EP_CanBeNull); } - if( pNew && ExprHasProperty(pExpr,EP_FromJoin) ){ - pNew->iRightJoinTable = pExpr->iRightJoinTable; - ExprSetProperty(pNew, EP_FromJoin); + if( ExprHasProperty(pExpr,EP_OuterON|EP_InnerON) ){ + sqlite3SetJoinExpr(pNew, pExpr->w.iJoin, + pExpr->flags & (EP_OuterON|EP_InnerON)); } sqlite3ExprDelete(db, pExpr); pExpr = pNew; + if( pExpr->op==TK_TRUEFALSE ){ + pExpr->u.iValue = sqlite3ExprTruthValue(pExpr); + pExpr->op = TK_INTEGER; + ExprSetProperty(pExpr, EP_IntValue); + } /* Ensure that the expression now has an implicit collation sequence, ** just as it did when it was a column of a view or sub-query. */ - if( pExpr ){ - if( pExpr->op!=TK_COLUMN && pExpr->op!=TK_COLLATE ){ - CollSeq *pColl = sqlite3ExprCollSeq(pSubst->pParse, pExpr); + { + CollSeq *pNat = sqlite3ExprCollSeq(pSubst->pParse, pExpr); + CollSeq *pColl = sqlite3ExprCollSeq(pSubst->pParse, + pSubst->pCList->a[iColumn].pExpr + ); + if( pNat!=pColl || (pExpr->op!=TK_COLUMN && pExpr->op!=TK_COLLATE) ){ pExpr = sqlite3ExprAddCollateString(pSubst->pParse, pExpr, (pColl ? pColl->zName : "BINARY") ); } - ExprClearProperty(pExpr, EP_Collate); } + ExprClearProperty(pExpr, EP_Collate); } } }else{ @@ -132839,7 +144314,7 @@ static Expr *substExpr( } pExpr->pLeft = substExpr(pSubst, pExpr->pLeft); pExpr->pRight = substExpr(pSubst, pExpr->pRight); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ substSelect(pSubst, pExpr->x.pSelect, 1); }else{ substExprList(pSubst, pExpr->x.pList); @@ -132871,7 +144346,7 @@ static void substSelect( int doPrior /* Do substitutes on p->pPrior too */ ){ SrcList *pSrc; - struct SrcList_item *pItem; + SrcItem *pItem; int i; if( !p ) return; do{ @@ -132901,7 +144376,7 @@ static void substSelect( ** pSrcItem->colUsed mask. */ static int recomputeColumnsUsedExpr(Walker *pWalker, Expr *pExpr){ - struct SrcList_item *pItem; + SrcItem *pItem; if( pExpr->op!=TK_COLUMN ) return WRC_Continue; pItem = pWalker->u.pSrcItem; if( pItem->iCursor!=pExpr->iTable ) return WRC_Continue; @@ -132911,7 +144386,7 @@ static int recomputeColumnsUsedExpr(Walker *pWalker, Expr *pExpr){ } static void recomputeColumnsUsed( Select *pSelect, /* The complete SELECT statement */ - struct SrcList_item *pSrcItem /* Which FROM clause item to recompute */ + SrcItem *pSrcItem /* Which FROM clause item to recompute */ ){ Walker w; if( NEVER(pSrcItem->pTab==0) ) return; @@ -132924,6 +144399,143 @@ static void recomputeColumnsUsed( } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ +#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) +/* +** Assign new cursor numbers to each of the items in pSrc. For each +** new cursor number assigned, set an entry in the aCsrMap[] array +** to map the old cursor number to the new: +** +** aCsrMap[iOld+1] = iNew; +** +** The array is guaranteed by the caller to be large enough for all +** existing cursor numbers in pSrc. aCsrMap[0] is the array size. +** +** If pSrc contains any sub-selects, call this routine recursively +** on the FROM clause of each such sub-select, with iExcept set to -1. +*/ +static void srclistRenumberCursors( + Parse *pParse, /* Parse context */ + int *aCsrMap, /* Array to store cursor mappings in */ + SrcList *pSrc, /* FROM clause to renumber */ + int iExcept /* FROM clause item to skip */ +){ + int i; + SrcItem *pItem; + for(i=0, pItem=pSrc->a; inSrc; i++, pItem++){ + if( i!=iExcept ){ + Select *p; + assert( pItem->iCursor < aCsrMap[0] ); + if( !pItem->fg.isRecursive || aCsrMap[pItem->iCursor+1]==0 ){ + aCsrMap[pItem->iCursor+1] = pParse->nTab++; + } + pItem->iCursor = aCsrMap[pItem->iCursor+1]; + for(p=pItem->pSelect; p; p=p->pPrior){ + srclistRenumberCursors(pParse, aCsrMap, p->pSrc, -1); + } + } + } +} + +/* +** *piCursor is a cursor number. Change it if it needs to be mapped. +*/ +static void renumberCursorDoMapping(Walker *pWalker, int *piCursor){ + int *aCsrMap = pWalker->u.aiCol; + int iCsr = *piCursor; + if( iCsr < aCsrMap[0] && aCsrMap[iCsr+1]>0 ){ + *piCursor = aCsrMap[iCsr+1]; + } +} + +/* +** Expression walker callback used by renumberCursors() to update +** Expr objects to match newly assigned cursor numbers. +*/ +static int renumberCursorsCb(Walker *pWalker, Expr *pExpr){ + int op = pExpr->op; + if( op==TK_COLUMN || op==TK_IF_NULL_ROW ){ + renumberCursorDoMapping(pWalker, &pExpr->iTable); + } + if( ExprHasProperty(pExpr, EP_OuterON) ){ + renumberCursorDoMapping(pWalker, &pExpr->w.iJoin); + } + return WRC_Continue; +} + +/* +** Assign a new cursor number to each cursor in the FROM clause (Select.pSrc) +** of the SELECT statement passed as the second argument, and to each +** cursor in the FROM clause of any FROM clause sub-selects, recursively. +** Except, do not assign a new cursor number to the iExcept'th element in +** the FROM clause of (*p). Update all expressions and other references +** to refer to the new cursor numbers. +** +** Argument aCsrMap is an array that may be used for temporary working +** space. Two guarantees are made by the caller: +** +** * the array is larger than the largest cursor number used within the +** select statement passed as an argument, and +** +** * the array entries for all cursor numbers that do *not* appear in +** FROM clauses of the select statement as described above are +** initialized to zero. +*/ +static void renumberCursors( + Parse *pParse, /* Parse context */ + Select *p, /* Select to renumber cursors within */ + int iExcept, /* FROM clause item to skip */ + int *aCsrMap /* Working space */ +){ + Walker w; + srclistRenumberCursors(pParse, aCsrMap, p->pSrc, iExcept); + memset(&w, 0, sizeof(w)); + w.u.aiCol = aCsrMap; + w.xExprCallback = renumberCursorsCb; + w.xSelectCallback = sqlite3SelectWalkNoop; + sqlite3WalkSelect(&w, p); +} +#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ + +/* +** If pSel is not part of a compound SELECT, return a pointer to its +** expression list. Otherwise, return a pointer to the expression list +** of the leftmost SELECT in the compound. +*/ +static ExprList *findLeftmostExprlist(Select *pSel){ + while( pSel->pPrior ){ + pSel = pSel->pPrior; + } + return pSel->pEList; +} + +/* +** Return true if any of the result-set columns in the compound query +** have incompatible affinities on one or more arms of the compound. +*/ +static int compoundHasDifferentAffinities(Select *p){ + int ii; + ExprList *pList; + assert( p!=0 ); + assert( p->pEList!=0 ); + assert( p->pPrior!=0 ); + pList = p->pEList; + for(ii=0; iinExpr; ii++){ + char aff; + Select *pSub1; + assert( pList->a[ii].pExpr!=0 ); + aff = sqlite3ExprAffinity(pList->a[ii].pExpr); + for(pSub1=p->pPrior; pSub1; pSub1=pSub1->pPrior){ + assert( pSub1->pEList!=0 ); + assert( pSub1->pEList->nExpr>ii ); + assert( pSub1->pEList->a[ii].pExpr!=0 ); + if( sqlite3ExprAffinity(pSub1->pEList->a[ii].pExpr)!=aff ){ + return 1; + } + } + } + return 0; +} + #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** This routine attempts to flatten subqueries as a performance optimization. @@ -132968,8 +144580,10 @@ static void recomputeColumnsUsed( ** (3a) the subquery may not be a join and ** (3b) the FROM clause of the subquery may not contain a virtual ** table and -** (3c) the outer query may not be an aggregate. +** (**) Was: "The outer query may not have a GROUP BY." This case +** is now managed correctly ** (3d) the outer query may not be DISTINCT. +** See also (26) for restrictions on RIGHT JOIN. ** ** (4) The subquery can not be DISTINCT. ** @@ -132990,7 +144604,7 @@ static void recomputeColumnsUsed( ** (9) If the subquery uses LIMIT then the outer query may not be aggregate. ** ** (**) Restriction (10) was removed from the code on 2005-02-05 but we -** accidently carried the comment forward until 2014-09-15. Original +** accidentally carried the comment forward until 2014-09-15. Original ** constraint: "If the subquery is aggregate then the outer query ** may not use LIMIT." ** @@ -133018,9 +144632,14 @@ static void recomputeColumnsUsed( ** (17c) every term within the subquery compound must have a FROM clause ** (17d) the outer query may not be ** (17d1) aggregate, or -** (17d2) DISTINCT, or -** (17d3) a join. -** (17e) the subquery may not contain window functions +** (17d2) DISTINCT +** (17e) the subquery may not contain window functions, and +** (17f) the subquery must not be the RHS of a LEFT JOIN. +** (17g) either the subquery is the first element of the outer +** query or there are no RIGHT or FULL JOINs in any arm +** of the subquery. (This is a duplicate of condition (27b).) +** (17h) The corresponding result set expressions in all arms of the +** compound must have the same affinity. ** ** The parent and sub-query may contain WHERE clauses. Subject to ** rules (11), (13) and (14), they may also contain ORDER BY, @@ -133036,8 +144655,8 @@ static void recomputeColumnsUsed( ** syntax error and return a detailed message. ** ** (18) If the sub-query is a compound select, then all terms of the -** ORDER BY clause of the parent must be simple references to -** columns of the sub-query. +** ORDER BY clause of the parent must be copies of a term returned +** by the parent query. ** ** (19) If the subquery uses LIMIT then the outer query may not ** have a WHERE clause. @@ -133053,9 +144672,8 @@ static void recomputeColumnsUsed( ** ** (22) The subquery may not be a recursive CTE. ** -** (**) Subsumed into restriction (17d3). Was: If the outer query is -** a recursive CTE, then the sub-query may not be a compound query. -** This restriction is because transforming the +** (23) If the outer query is a recursive CTE, then the sub-query may not be +** a compound query. This restriction is because transforming the ** parent to a compound query confuses the code that handles ** recursive queries in multiSelect(). ** @@ -133069,6 +144687,18 @@ static void recomputeColumnsUsed( ** function in the select list or ORDER BY clause, flattening ** is not attempted. ** +** (26) The subquery may not be the right operand of a RIGHT JOIN. +** See also (3) for restrictions on LEFT JOIN. +** +** (27) The subquery may not contain a FULL or RIGHT JOIN unless it +** is the first element of the parent query. Two subcases: +** (27a) the subquery is not a compound query. +** (27b) the subquery is a compound query and the RIGHT JOIN occurs +** in any arm of the compound query. (See also (17g).) +** +** (28) The subquery is not a MATERIALIZED CTE. (This is handled +** in the caller before ever reaching this routine.) +** ** ** In this routine, the "p" parameter is a pointer to the outer query. ** The subquery is p->pSrc->a[iFrom]. isAgg is true if the outer query @@ -133094,12 +144724,13 @@ static int flattenSubquery( SrcList *pSubSrc; /* The FROM clause of the subquery */ int iParent; /* VDBE cursor number of the pSub result set temp table */ int iNewParent = -1;/* Replacement table for iParent */ - int isLeftJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ + int isOuterJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ int i; /* Loop counter */ Expr *pWhere; /* The WHERE clause */ - struct SrcList_item *pSubitem; /* The subquery */ + SrcItem *pSubitem; /* The subquery */ sqlite3 *db = pParse->db; Walker w; /* Walker to persist agginfo data */ + int *aCsrMap = 0; /* Check to see if flattening is permitted. Return 0 if not. */ @@ -133159,32 +144790,26 @@ static int flattenSubquery( ** ** which is not at all the same thing. ** - ** If the subquery is the right operand of a LEFT JOIN, then the outer - ** query cannot be an aggregate. (3c) This is an artifact of the way - ** aggregates are processed - there is no mechanism to determine if - ** the LEFT JOIN table should be all-NULL. - ** ** See also tickets #306, #350, and #3300. */ - if( (pSubitem->fg.jointype & JT_OUTER)!=0 ){ - isLeftJoin = 1; - if( pSubSrc->nSrc>1 /* (3a) */ - || isAgg /* (3b) */ - || IsVirtual(pSubSrc->a[0].pTab) /* (3c) */ - || (p->selFlags & SF_Distinct)!=0 /* (3d) */ + if( (pSubitem->fg.jointype & (JT_OUTER|JT_LTORJ))!=0 ){ + if( pSubSrc->nSrc>1 /* (3a) */ + || IsVirtual(pSubSrc->a[0].pTab) /* (3b) */ + || (p->selFlags & SF_Distinct)!=0 /* (3d) */ + || (pSubitem->fg.jointype & JT_RIGHT)!=0 /* (26) */ ){ return 0; } + isOuterJoin = 1; } -#ifdef SQLITE_EXTRA_IFNULLROW - else if( iFrom>0 && !isAgg ){ - /* Setting isLeftJoin to -1 causes OP_IfNullRow opcodes to be generated for - ** every reference to any result column from subquery in a join, even - ** though they are not necessary. This will stress-test the OP_IfNullRow - ** opcode. */ - isLeftJoin = -1; + + assert( pSubSrc->nSrc>0 ); /* True by restriction (7) */ + if( iFrom>0 && (pSubSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ + return 0; /* Restriction (27a) */ } -#endif + + /* Condition (28) is blocked by the caller */ + assert( !pSubitem->fg.isCte || pSubitem->u2.pCteUse->eM10d!=M10d_Yes ); /* Restriction (17): If the sub-query is a compound SELECT, then it must ** use only the UNION ALL operator. And none of the simple select queries @@ -133192,16 +144817,18 @@ static int flattenSubquery( ** queries. */ if( pSub->pPrior ){ + int ii; if( pSub->pOrderBy ){ return 0; /* Restriction (20) */ } - if( isAgg || (p->selFlags & SF_Distinct)!=0 || pSrc->nSrc!=1 ){ - return 0; /* (17d1), (17d2), or (17d3) */ + if( isAgg || (p->selFlags & SF_Distinct)!=0 || isOuterJoin>0 ){ + return 0; /* (17d1), (17d2), or (17f) */ } for(pSub1=pSub; pSub1; pSub1=pSub1->pPrior){ testcase( (pSub1->selFlags & (SF_Distinct|SF_Aggregate))==SF_Distinct ); testcase( (pSub1->selFlags & (SF_Distinct|SF_Aggregate))==SF_Aggregate ); assert( pSub->pSrc!=0 ); + assert( (pSub->selFlags & SF_Recursive)==0 ); assert( pSub->pEList->nExpr==pSub1->pEList->nExpr ); if( (pSub1->selFlags & (SF_Distinct|SF_Aggregate))!=0 /* (17b) */ || (pSub1->pPrior && pSub1->op!=TK_ALL) /* (17a) */ @@ -133212,28 +144839,38 @@ static int flattenSubquery( ){ return 0; } + if( iFrom>0 && (pSub1->pSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ + /* Without this restriction, the JT_LTORJ flag would end up being + ** omitted on left-hand tables of the right join that is being + ** flattened. */ + return 0; /* Restrictions (17g), (27b) */ + } testcase( pSub1->pSrc->nSrc>1 ); } /* Restriction (18). */ if( p->pOrderBy ){ - int ii; for(ii=0; iipOrderBy->nExpr; ii++){ if( p->pOrderBy->a[ii].u.x.iOrderByCol==0 ) return 0; } } - } - /* Ex-restriction (23): - ** The only way that the recursive part of a CTE can contain a compound - ** subquery is for the subquery to be one term of a join. But if the - ** subquery is a join, then the flattening has already been stopped by - ** restriction (17d3) - */ - assert( (p->selFlags & SF_Recursive)==0 || pSub->pPrior==0 ); + /* Restriction (23) */ + if( (p->selFlags & SF_Recursive) ) return 0; + + /* Restriction (17h) */ + if( compoundHasDifferentAffinities(pSub) ) return 0; + + if( pSrc->nSrc>1 ){ + if( pParse->nSelect>500 ) return 0; + if( OptimizationDisabled(db, SQLITE_FlttnUnionAll) ) return 0; + aCsrMap = sqlite3DbMallocZero(db, ((i64)pParse->nTab+1)*sizeof(int)); + if( aCsrMap ) aCsrMap[0] = pParse->nTab; + } + } /***** If we reach this point, flattening is permitted. *****/ - SELECTTRACE(1,pParse,p,("flatten %u.%p from term %d\n", + TREETRACE(0x4,pParse,p,("flatten %u.%p from term %d\n", pSub->selId, pSub, iFrom)); /* Authorize the subquery */ @@ -133242,6 +144879,17 @@ static int flattenSubquery( testcase( i==SQLITE_DENY ); pParse->zAuthContext = zSavedAuthContext; + /* Delete the transient structures associated with the subquery */ + pSub1 = pSubitem->pSelect; + sqlite3DbFree(db, pSubitem->zDatabase); + sqlite3DbFree(db, pSubitem->zName); + sqlite3DbFree(db, pSubitem->zAlias); + pSubitem->zDatabase = 0; + pSubitem->zName = 0; + pSubitem->zAlias = 0; + pSubitem->pSelect = 0; + assert( pSubitem->fg.isUsing!=0 || pSubitem->u3.pOn==0 ); + /* If the sub-query is a compound SELECT statement, then (by restrictions ** 17 and 18 above) it must be a UNION ALL and the parent query must ** be of the form: @@ -133280,43 +144928,37 @@ static int flattenSubquery( ExprList *pOrderBy = p->pOrderBy; Expr *pLimit = p->pLimit; Select *pPrior = p->pPrior; + Table *pItemTab = pSubitem->pTab; + pSubitem->pTab = 0; p->pOrderBy = 0; - p->pSrc = 0; p->pPrior = 0; p->pLimit = 0; pNew = sqlite3SelectDup(db, p, 0); p->pLimit = pLimit; p->pOrderBy = pOrderBy; - p->pSrc = pSrc; p->op = TK_ALL; + pSubitem->pTab = pItemTab; if( pNew==0 ){ p->pPrior = pPrior; }else{ + pNew->selId = ++pParse->nSelect; + if( aCsrMap && ALWAYS(db->mallocFailed==0) ){ + renumberCursors(pParse, pNew, iFrom, aCsrMap); + } pNew->pPrior = pPrior; if( pPrior ) pPrior->pNext = pNew; pNew->pNext = p; p->pPrior = pNew; - SELECTTRACE(2,pParse,p,("compound-subquery flattener" + TREETRACE(0x4,pParse,p,("compound-subquery flattener" " creates %u as peer\n",pNew->selId)); } - if( db->mallocFailed ) return 1; + assert( pSubitem->pSelect==0 ); + } + sqlite3DbFree(db, aCsrMap); + if( db->mallocFailed ){ + pSubitem->pSelect = pSub1; + return 1; } - - /* Begin flattening the iFrom-th entry of the FROM clause - ** in the outer query. - */ - pSub = pSub1 = pSubitem->pSelect; - - /* Delete the transient table structure associated with the - ** subquery - */ - sqlite3DbFree(db, pSubitem->zDatabase); - sqlite3DbFree(db, pSubitem->zName); - sqlite3DbFree(db, pSubitem->zAlias); - pSubitem->zDatabase = 0; - pSubitem->zName = 0; - pSubitem->zAlias = 0; - pSubitem->pSelect = 0; /* Defer deleting the Table object associated with the ** subquery until code generation is @@ -133329,8 +144971,10 @@ static int flattenSubquery( Table *pTabToDel = pSubitem->pTab; if( pTabToDel->nTabRef==1 ){ Parse *pToplevel = sqlite3ParseToplevel(pParse); - pTabToDel->pNextZombie = pToplevel->pZombieTab; - pToplevel->pZombieTab = pTabToDel; + sqlite3ParserAddCleanup(pToplevel, + (void(*)(sqlite3*,void*))sqlite3DeleteTable, + pTabToDel); + testcase( pToplevel->earlyCleanup ); }else{ pTabToDel->nTabRef--; } @@ -133350,22 +144994,18 @@ static int flattenSubquery( ** those references with expressions that resolve to the subquery FROM ** elements we are now copying in. */ + pSub = pSub1; for(pParent=p; pParent; pParent=pParent->pPrior, pSub=pSub->pPrior){ int nSubSrc; u8 jointype = 0; + u8 ltorj = pSrc->a[iFrom].fg.jointype & JT_LTORJ; assert( pSub!=0 ); pSubSrc = pSub->pSrc; /* FROM clause of subquery */ nSubSrc = pSubSrc->nSrc; /* Number of terms in subquery FROM clause */ pSrc = pParent->pSrc; /* FROM clause of the outer query */ - if( pSrc ){ - assert( pParent==p ); /* First time through the loop */ - jointype = pSubitem->fg.jointype; - }else{ - assert( pParent!=p ); /* 2nd and subsequent times through the loop */ - pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); - if( pSrc==0 ) break; - pParent->pSrc = pSrc; + if( pParent==p ){ + jointype = pSubitem->fg.jointype; /* First time through the loop */ } /* The subquery uses a single slot of the FROM clause of the outer @@ -133393,13 +145033,16 @@ static int flattenSubquery( ** outer query. */ for(i=0; ia[i+iFrom].pUsing); - assert( pSrc->a[i+iFrom].fg.isTabFunc==0 ); - pSrc->a[i+iFrom] = pSubSrc->a[i]; + SrcItem *pItem = &pSrc->a[i+iFrom]; + if( pItem->fg.isUsing ) sqlite3IdListDelete(db, pItem->u3.pUsing); + assert( pItem->fg.isTabFunc==0 ); + *pItem = pSubSrc->a[i]; + pItem->fg.jointype |= ltorj; iNewParent = pSubSrc->a[i].iCursor; memset(&pSubSrc->a[i], 0, sizeof(pSubSrc->a[i])); } - pSrc->a[iFrom].fg.jointype = jointype; + pSrc->a[iFrom].fg.jointype &= JT_LTORJ; + pSrc->a[iFrom].fg.jointype |= jointype | ltorj; /* Now begin substituting subquery result set expressions for ** references to the iParent in the outer query. @@ -133418,7 +145061,7 @@ static int flattenSubquery( ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values ** do not necessarily correspond to columns in SELECT statement pParent, - ** zero them before transfering the ORDER BY clause. + ** zero them before transferring the ORDER BY clause. ** ** Not doing this may cause an error if a subsequent call to this ** function attempts to flatten a compound sub-query into pParent @@ -133434,8 +145077,8 @@ static int flattenSubquery( } pWhere = pSub->pWhere; pSub->pWhere = 0; - if( isLeftJoin>0 ){ - sqlite3SetJoinExpr(pWhere, iNewParent); + if( isOuterJoin>0 ){ + sqlite3SetJoinExpr(pWhere, iNewParent, EP_OuterON); } if( pWhere ){ if( pParent->pWhere ){ @@ -133449,8 +145092,9 @@ static int flattenSubquery( x.pParse = pParse; x.iTable = iParent; x.iNewTable = iNewParent; - x.isLeftJoin = isLeftJoin; + x.isOuterJoin = isOuterJoin; x.pEList = pSub->pEList; + x.pCList = findLeftmostExprlist(pSub); substSelect(&x, pParent, 0); } @@ -133470,23 +145114,22 @@ static int flattenSubquery( pSub->pLimit = 0; } - /* Recompute the SrcList_item.colUsed masks for the flattened + /* Recompute the SrcItem.colUsed masks for the flattened ** tables. */ for(i=0; ia[i+iFrom]); } } - /* Finially, delete what is left of the subquery and return - ** success. + /* Finally, delete what is left of the subquery and return success. */ sqlite3AggInfoPersistWalkerInit(&w, pParse); sqlite3WalkSelect(&w,pSub1); sqlite3SelectDelete(db, pSub1); -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p,("After flattening:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x4 ){ + TREETRACE(0x4,pParse,p,("After flattening:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -133502,14 +145145,18 @@ static int flattenSubquery( typedef struct WhereConst WhereConst; struct WhereConst { Parse *pParse; /* Parsing context */ + u8 *pOomFault; /* Pointer to pParse->db->mallocFailed */ int nConst; /* Number for COLUMN=CONSTANT terms */ int nChng; /* Number of times a constant is propagated */ + int bHasAffBlob; /* At least one column in apExpr[] as affinity BLOB */ + u32 mExcludeOn; /* Which ON expressions to exclude from considertion. + ** Either EP_OuterON or EP_InnerON|EP_OuterON */ Expr **apExpr; /* [i*2] is COLUMN and [i*2+1] is VALUE */ }; /* ** Add a new entry to the pConst object. Except, do not add duplicate -** pColumn entires. Also, do not add if doing so would not be appropriate. +** pColumn entries. Also, do not add if doing so would not be appropriate. ** ** The caller guarantees the pColumn is a column and pValue is a constant. ** This routine has to do some additional checks before completing the @@ -133542,6 +145189,9 @@ static void constInsert( return; /* Already present. Return without doing anything. */ } } + if( sqlite3ExprAffinity(pColumn)==SQLITE_AFF_BLOB ){ + pConst->bHasAffBlob = 1; + } pConst->nConst++; pConst->apExpr = sqlite3DbReallocOrFree(pConst->pParse->db, pConst->apExpr, @@ -133562,8 +145212,12 @@ static void constInsert( */ static void findConstInWhere(WhereConst *pConst, Expr *pExpr){ Expr *pRight, *pLeft; - if( pExpr==0 ) return; - if( ExprHasProperty(pExpr, EP_FromJoin) ) return; + if( NEVER(pExpr==0) ) return; + if( ExprHasProperty(pExpr, pConst->mExcludeOn) ){ + testcase( ExprHasProperty(pExpr, EP_OuterON) ); + testcase( ExprHasProperty(pExpr, EP_InnerON) ); + return; + } if( pExpr->op==TK_AND ){ findConstInWhere(pConst, pExpr->pRight); findConstInWhere(pConst, pExpr->pLeft); @@ -133583,37 +145237,84 @@ static void findConstInWhere(WhereConst *pConst, Expr *pExpr){ } /* -** This is a Walker expression callback. pExpr is a candidate expression -** to be replaced by a value. If pExpr is equivalent to one of the -** columns named in pWalker->u.pConst, then overwrite it with its -** corresponding value. +** This is a helper function for Walker callback propagateConstantExprRewrite(). +** +** Argument pExpr is a candidate expression to be replaced by a value. If +** pExpr is equivalent to one of the columns named in pWalker->u.pConst, +** then overwrite it with the corresponding value. Except, do not do so +** if argument bIgnoreAffBlob is non-zero and the affinity of pExpr +** is SQLITE_AFF_BLOB. */ -static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ +static int propagateConstantExprRewriteOne( + WhereConst *pConst, + Expr *pExpr, + int bIgnoreAffBlob +){ int i; - WhereConst *pConst; + if( pConst->pOomFault[0] ) return WRC_Prune; if( pExpr->op!=TK_COLUMN ) return WRC_Continue; - if( ExprHasProperty(pExpr, EP_FixedCol|EP_FromJoin) ){ + if( ExprHasProperty(pExpr, EP_FixedCol|pConst->mExcludeOn) ){ testcase( ExprHasProperty(pExpr, EP_FixedCol) ); - testcase( ExprHasProperty(pExpr, EP_FromJoin) ); + testcase( ExprHasProperty(pExpr, EP_OuterON) ); + testcase( ExprHasProperty(pExpr, EP_InnerON) ); return WRC_Continue; } - pConst = pWalker->u.pConst; for(i=0; inConst; i++){ Expr *pColumn = pConst->apExpr[i*2]; if( pColumn==pExpr ) continue; if( pColumn->iTable!=pExpr->iTable ) continue; if( pColumn->iColumn!=pExpr->iColumn ) continue; + if( bIgnoreAffBlob && sqlite3ExprAffinity(pColumn)==SQLITE_AFF_BLOB ){ + break; + } /* A match is found. Add the EP_FixedCol property */ pConst->nChng++; ExprClearProperty(pExpr, EP_Leaf); ExprSetProperty(pExpr, EP_FixedCol); assert( pExpr->pLeft==0 ); pExpr->pLeft = sqlite3ExprDup(pConst->pParse->db, pConst->apExpr[i*2+1], 0); + if( pConst->pParse->db->mallocFailed ) return WRC_Prune; break; } return WRC_Prune; } +/* +** This is a Walker expression callback. pExpr is a node from the WHERE +** clause of a SELECT statement. This function examines pExpr to see if +** any substitutions based on the contents of pWalker->u.pConst should +** be made to pExpr or its immediate children. +** +** A substitution is made if: +** +** + pExpr is a column with an affinity other than BLOB that matches +** one of the columns in pWalker->u.pConst, or +** +** + pExpr is a binary comparison operator (=, <=, >=, <, >) that +** uses an affinity other than TEXT and one of its immediate +** children is a column that matches one of the columns in +** pWalker->u.pConst. +*/ +static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ + WhereConst *pConst = pWalker->u.pConst; + assert( TK_GT==TK_EQ+1 ); + assert( TK_LE==TK_EQ+2 ); + assert( TK_LT==TK_EQ+3 ); + assert( TK_GE==TK_EQ+4 ); + if( pConst->bHasAffBlob ){ + if( (pExpr->op>=TK_EQ && pExpr->op<=TK_GE) + || pExpr->op==TK_IS + ){ + propagateConstantExprRewriteOne(pConst, pExpr->pLeft, 0); + if( pConst->pOomFault[0] ) return WRC_Prune; + if( sqlite3ExprAffinity(pExpr->pLeft)!=SQLITE_AFF_TEXT ){ + propagateConstantExprRewriteOne(pConst, pExpr->pRight, 0); + } + } + } + return propagateConstantExprRewriteOne(pConst, pExpr, pConst->bHasAffBlob); +} + /* ** The WHERE-clause constant propagation optimization. ** @@ -133641,7 +145342,7 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ ** SELECT * FROM t1 WHERE a=123 AND b=123; ** ** The two SELECT statements above should return different answers. b=a -** is alway true because the comparison uses numeric affinity, but b=123 +** is always true because the comparison uses numeric affinity, but b=123 ** is false because it uses text affinity and '0123' is not the same as '123'. ** To work around this, the expression tree is not actually changed from ** "b=a" to "b=123" but rather the "a" in "b=a" is tagged with EP_FixedCol @@ -133649,6 +145350,21 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ ** routines know to generate the constant "123" instead of looking up the ** column value. Also, to avoid collation problems, this optimization is ** only attempted if the "a=123" term uses the default BINARY collation. +** +** 2021-05-25 forum post 6a06202608: Another troublesome case is... +** +** CREATE TABLE t1(x); +** INSERT INTO t1 VALUES(10.0); +** SELECT 1 FROM t1 WHERE x=10 AND x LIKE 10; +** +** The query should return no rows, because the t1.x value is '10.0' not '10' +** and '10.0' is not LIKE '10'. But if we are not careful, the first WHERE +** term "x=10" will cause the second WHERE term to become "10 LIKE 10", +** resulting in a false positive. To avoid this, constant propagation for +** columns with BLOB affinity is only allowed if the constant is used with +** operators ==, <=, <, >=, >, or IS in a way that will cause the correct +** type conversions to occur. See logic associated with the bHasAffBlob flag +** for details. */ static int propagateConstants( Parse *pParse, /* The parsing context */ @@ -133658,10 +145374,23 @@ static int propagateConstants( Walker w; int nChng = 0; x.pParse = pParse; + x.pOomFault = &pParse->db->mallocFailed; do{ x.nConst = 0; x.nChng = 0; x.apExpr = 0; + x.bHasAffBlob = 0; + if( ALWAYS(p->pSrc!=0) + && p->pSrc->nSrc>0 + && (p->pSrc->a[0].fg.jointype & JT_LTORJ)!=0 + ){ + /* Do not propagate constants on any ON clause if there is a + ** RIGHT JOIN anywhere in the query */ + x.mExcludeOn = EP_InnerON | EP_OuterON; + }else{ + /* Do not propagate constants through the ON clause of a LEFT JOIN */ + x.mExcludeOn = EP_OuterON; + } findConstInWhere(&x, p->pWhere); if( x.nConst ){ memset(&w, 0, sizeof(w)); @@ -133679,6 +145408,35 @@ static int propagateConstants( return nChng; } +#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) +# if !defined(SQLITE_OMIT_WINDOWFUNC) +/* +** This function is called to determine whether or not it is safe to +** push WHERE clause expression pExpr down to FROM clause sub-query +** pSubq, which contains at least one window function. Return 1 +** if it is safe and the expression should be pushed down, or 0 +** otherwise. +** +** It is only safe to push the expression down if it consists only +** of constants and copies of expressions that appear in the PARTITION +** BY clause of all window function used by the sub-query. It is safe +** to filter out entire partitions, but not rows within partitions, as +** this may change the results of the window functions. +** +** At the time this function is called it is guaranteed that +** +** * the sub-query uses only one distinct window frame, and +** * that the window frame has a PARTITION BY clause. +*/ +static int pushDownWindowCheck(Parse *pParse, Select *pSubq, Expr *pExpr){ + assert( pSubq->pWin->pPartition ); + assert( (pSubq->selFlags & SF_MultiPart)==0 ); + assert( pSubq->pPrior==0 ); + return sqlite3ExprIsConstantOrGroupBy(pParse, pExpr, pSubq->pWin->pPartition); +} +# endif /* SQLITE_OMIT_WINDOWFUNC */ +#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ + #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** Make copies of relevant WHERE clause terms of the outer query into @@ -133726,9 +145484,47 @@ static int propagateConstants( ** But if the (b2=2) term were to be pushed down into the bb subquery, ** then the (1,1,NULL) row would be suppressed. ** -** (6) The inner query features one or more window-functions (since -** changes to the WHERE clause of the inner query could change the -** window over which window functions are calculated). +** (6) Window functions make things tricky as changes to the WHERE clause +** of the inner query could change the window over which window +** functions are calculated. Therefore, do not attempt the optimization +** if: +** +** (6a) The inner query uses multiple incompatible window partitions. +** +** (6b) The inner query is a compound and uses window-functions. +** +** (6c) The WHERE clause does not consist entirely of constants and +** copies of expressions found in the PARTITION BY clause of +** all window-functions used by the sub-query. It is safe to +** filter out entire partitions, as this does not change the +** window over which any window-function is calculated. +** +** (7) The inner query is a Common Table Expression (CTE) that should +** be materialized. (This restriction is implemented in the calling +** routine.) +** +** (8) If the subquery is a compound that uses UNION, INTERSECT, +** or EXCEPT, then all of the result set columns for all arms of +** the compound must use the BINARY collating sequence. +** +** (9) All three of the following are true: +** +** (9a) The WHERE clause expression originates in the ON or USING clause +** of a join (either an INNER or an OUTER join), and +** +** (9b) The subquery is to the right of the ON/USING clause +** +** (9c) There is a RIGHT JOIN (or FULL JOIN) in between the ON/USING +** clause and the subquery. +** +** Without this restriction, the push-down optimization might move +** the ON/USING filter expression from the left side of a RIGHT JOIN +** over to the right side, which leads to incorrect answers. See +** also restriction (6) in sqlite3ExprIsSingleTableConstraint(). +** +** (10) The inner query is not the right-hand table of a RIGHT JOIN. +** +** (11) The subquery is not a VALUES clause ** ** Return 0 if no changes are made and non-zero if one or more WHERE clause ** terms are duplicated into the subquery. @@ -133737,20 +145533,56 @@ static int pushDownWhereTerms( Parse *pParse, /* Parse context (for malloc() and error reporting) */ Select *pSubq, /* The subquery whose WHERE clause is to be augmented */ Expr *pWhere, /* The WHERE clause of the outer query */ - int iCursor, /* Cursor number of the subquery */ - int isLeftJoin /* True if pSubq is the right term of a LEFT JOIN */ + SrcList *pSrcList, /* The complete from clause of the outer query */ + int iSrc /* Which FROM clause term to try to push into */ ){ Expr *pNew; + SrcItem *pSrc; /* The subquery FROM term into which WHERE is pushed */ int nChng = 0; - Select *pSel; + pSrc = &pSrcList->a[iSrc]; if( pWhere==0 ) return 0; - if( pSubq->selFlags & SF_Recursive ) return 0; /* restriction (2) */ + if( pSubq->selFlags & (SF_Recursive|SF_MultiPart) ){ + return 0; /* restrictions (2) and (11) */ + } + if( pSrc->fg.jointype & (JT_LTORJ|JT_RIGHT) ){ + return 0; /* restrictions (10) */ + } + if( pSubq->pPrior ){ + Select *pSel; + int notUnionAll = 0; + for(pSel=pSubq; pSel; pSel=pSel->pPrior){ + u8 op = pSel->op; + assert( op==TK_ALL || op==TK_SELECT + || op==TK_UNION || op==TK_INTERSECT || op==TK_EXCEPT ); + if( op!=TK_ALL && op!=TK_SELECT ){ + notUnionAll = 1; + } #ifndef SQLITE_OMIT_WINDOWFUNC - for(pSel=pSubq; pSel; pSel=pSel->pPrior){ - if( pSel->pWin ) return 0; /* restriction (6) */ - } + if( pSel->pWin ) return 0; /* restriction (6b) */ +#endif + } + if( notUnionAll ){ + /* If any of the compound arms are connected using UNION, INTERSECT, + ** or EXCEPT, then we must ensure that none of the columns use a + ** non-BINARY collating sequence. */ + for(pSel=pSubq; pSel; pSel=pSel->pPrior){ + int ii; + const ExprList *pList = pSel->pEList; + assert( pList!=0 ); + for(ii=0; iinExpr; ii++){ + CollSeq *pColl = sqlite3ExprCollSeq(pParse, pList->a[ii].pExpr); + if( !sqlite3IsBinary(pColl) ){ + return 0; /* Restriction (8) */ + } + } + } + } + }else{ +#ifndef SQLITE_OMIT_WINDOWFUNC + if( pSubq->pWin && pSubq->pWin->pPartition==0 ) return 0; #endif + } #ifdef SQLITE_DEBUG /* Only the first term of a compound can have a WITH clause. But make @@ -133769,31 +145601,63 @@ static int pushDownWhereTerms( return 0; /* restriction (3) */ } while( pWhere->op==TK_AND ){ - nChng += pushDownWhereTerms(pParse, pSubq, pWhere->pRight, - iCursor, isLeftJoin); + nChng += pushDownWhereTerms(pParse, pSubq, pWhere->pRight, pSrcList, iSrc); pWhere = pWhere->pLeft; } + +#if 0 /* These checks now done by sqlite3ExprIsSingleTableConstraint() */ + if( ExprHasProperty(pWhere, EP_OuterON|EP_InnerON) /* (9a) */ + && (pSrcList->a[0].fg.jointype & JT_LTORJ)!=0 /* Fast pre-test of (9c) */ + ){ + int jj; + for(jj=0; jjw.iJoin==pSrcList->a[jj].iCursor ){ + /* If we reach this point, both (9a) and (9b) are satisfied. + ** The following loop checks (9c): + */ + for(jj++; jja[jj].fg.jointype & JT_RIGHT)!=0 ){ + return 0; /* restriction (9) */ + } + } + } + } + } if( isLeftJoin - && (ExprHasProperty(pWhere,EP_FromJoin)==0 - || pWhere->iRightJoinTable!=iCursor) + && (ExprHasProperty(pWhere,EP_OuterON)==0 + || pWhere->w.iJoin!=iCursor) ){ return 0; /* restriction (4) */ } - if( ExprHasProperty(pWhere,EP_FromJoin) && pWhere->iRightJoinTable!=iCursor ){ + if( ExprHasProperty(pWhere,EP_OuterON) + && pWhere->w.iJoin!=iCursor + ){ return 0; /* restriction (5) */ } - if( sqlite3ExprIsTableConstant(pWhere, iCursor) ){ +#endif + + if( sqlite3ExprIsSingleTableConstraint(pWhere, pSrcList, iSrc) ){ nChng++; + pSubq->selFlags |= SF_PushDown; while( pSubq ){ SubstContext x; pNew = sqlite3ExprDup(pParse->db, pWhere, 0); - unsetJoinExpr(pNew, -1); + unsetJoinExpr(pNew, -1, 1); x.pParse = pParse; - x.iTable = iCursor; - x.iNewTable = iCursor; - x.isLeftJoin = 0; + x.iTable = pSrc->iCursor; + x.iNewTable = pSrc->iCursor; + x.isOuterJoin = 0; x.pEList = pSubq->pEList; + x.pCList = findLeftmostExprlist(pSubq); pNew = substExpr(&x, pNew); +#ifndef SQLITE_OMIT_WINDOWFUNC + if( pSubq->pWin && 0==pushDownWindowCheck(pParse, pSubq, pNew) ){ + /* Restriction 6c has prevented push-down in this case */ + sqlite3ExprDelete(pParse->db, pNew); + nChng--; + break; + } +#endif if( pSubq->selFlags & SF_Aggregate ){ pSubq->pHaving = sqlite3ExprAnd(pParse, pSubq->pHaving, pNew); }else{ @@ -133806,6 +145670,78 @@ static int pushDownWhereTerms( } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ +/* +** Check to see if a subquery contains result-set columns that are +** never used. If it does, change the value of those result-set columns +** to NULL so that they do not cause unnecessary work to compute. +** +** Return the number of column that were changed to NULL. +*/ +static int disableUnusedSubqueryResultColumns(SrcItem *pItem){ + int nCol; + Select *pSub; /* The subquery to be simplified */ + Select *pX; /* For looping over compound elements of pSub */ + Table *pTab; /* The table that describes the subquery */ + int j; /* Column number */ + int nChng = 0; /* Number of columns converted to NULL */ + Bitmask colUsed; /* Columns that may not be NULLed out */ + + assert( pItem!=0 ); + if( pItem->fg.isCorrelated || pItem->fg.isCte ){ + return 0; + } + assert( pItem->pTab!=0 ); + pTab = pItem->pTab; + assert( pItem->pSelect!=0 ); + pSub = pItem->pSelect; + assert( pSub->pEList->nExpr==pTab->nCol ); + for(pX=pSub; pX; pX=pX->pPrior){ + if( (pX->selFlags & (SF_Distinct|SF_Aggregate))!=0 ){ + testcase( pX->selFlags & SF_Distinct ); + testcase( pX->selFlags & SF_Aggregate ); + return 0; + } + if( pX->pPrior && pX->op!=TK_ALL ){ + /* This optimization does not work for compound subqueries that + ** use UNION, INTERSECT, or EXCEPT. Only UNION ALL is allowed. */ + return 0; + } +#ifndef SQLITE_OMIT_WINDOWFUNC + if( pX->pWin ){ + /* This optimization does not work for subqueries that use window + ** functions. */ + return 0; + } +#endif + } + colUsed = pItem->colUsed; + if( pSub->pOrderBy ){ + ExprList *pList = pSub->pOrderBy; + for(j=0; jnExpr; j++){ + u16 iCol = pList->a[j].u.x.iOrderByCol; + if( iCol>0 ){ + iCol--; + colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); + } + } + } + nCol = pTab->nCol; + for(j=0; jpPrior) { + Expr *pY = pX->pEList->a[j].pExpr; + if( pY->op==TK_NULL ) continue; + pY->op = TK_NULL; + ExprClearProperty(pY, EP_Skip|EP_Unlikely); + pX->selFlags |= SF_PushDown; + nChng++; + } + } + return nChng; +} + + /* ** The pFunc is the only aggregate function in the query. Check to see ** if the query is a candidate for the min/max optimization. @@ -133824,7 +145760,7 @@ static int pushDownWhereTerms( */ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ int eRet = WHERE_ORDERBY_NORMAL; /* Return value */ - ExprList *pEList = pFunc->x.pList; /* Arguments to agg function */ + ExprList *pEList; /* Arguments to agg function */ const char *zFunc; /* Name of aggregate function pFunc */ ExprList *pOrderBy; u8 sortFlags = 0; @@ -133832,9 +145768,16 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ assert( *ppMinMax==0 ); assert( pFunc->op==TK_AGG_FUNCTION ); assert( !IsWindowFunc(pFunc) ); - if( pEList==0 || pEList->nExpr!=1 || ExprHasProperty(pFunc, EP_WinFunc) ){ + assert( ExprUseXList(pFunc) ); + pEList = pFunc->x.pList; + if( pEList==0 + || pEList->nExpr!=1 + || ExprHasProperty(pFunc, EP_WinFunc) + || OptimizationDisabled(db, SQLITE_MinMaxOpt) + ){ return eRet; } + assert( !ExprHasProperty(pFunc, EP_IntValue) ); zFunc = pFunc->u.zToken; if( sqlite3StrICmp(zFunc, "min")==0 ){ eRet = WHERE_ORDERBY_MIN; @@ -133849,7 +145792,7 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ } *ppMinMax = pOrderBy = sqlite3ExprListDup(db, pEList, 0); assert( pOrderBy!=0 || db->mallocFailed ); - if( pOrderBy ) pOrderBy->a[0].sortFlags = sortFlags; + if( pOrderBy ) pOrderBy->a[0].fg.sortFlags = sortFlags; return eRet; } @@ -133862,7 +145805,13 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ ** ** where table is a database table, not a sub-select or view. If the query ** does match this pattern, then a pointer to the Table object representing -** is returned. Otherwise, 0 is returned. +** is returned. Otherwise, NULL is returned. +** +** This routine checks to see if it is safe to use the count optimization. +** A correct answer is still obtained (though perhaps more slowly) if +** this routine returns NULL when it could have returned a table pointer. +** But returning the pointer when NULL should have been returned can +** result in incorrect answers and/or crashes. So, when in doubt, return NULL. */ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){ Table *pTab; @@ -133870,19 +145819,27 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){ assert( !p->pGroupBy ); - if( p->pWhere || p->pEList->nExpr!=1 - || p->pSrc->nSrc!=1 || p->pSrc->a[0].pSelect + if( p->pWhere + || p->pEList->nExpr!=1 + || p->pSrc->nSrc!=1 + || p->pSrc->a[0].pSelect + || pAggInfo->nFunc!=1 + || p->pHaving ){ return 0; } pTab = p->pSrc->a[0].pTab; + assert( pTab!=0 ); + assert( !IsView(pTab) ); + if( !IsOrdinaryTable(pTab) ) return 0; pExpr = p->pEList->a[0].pExpr; - assert( pTab && !pTab->pSelect && pExpr ); - - if( IsVirtual(pTab) ) return 0; + assert( pExpr!=0 ); if( pExpr->op!=TK_AGG_FUNCTION ) return 0; - if( NEVER(pAggInfo->nFunc==0) ) return 0; + if( pExpr->pAggInfo!=pAggInfo ) return 0; if( (pAggInfo->aFunc[0].pFunc->funcFlags&SQLITE_FUNC_COUNT)==0 ) return 0; + assert( pAggInfo->aFunc[0].pFExpr==pExpr ); + testcase( ExprHasProperty(pExpr, EP_Distinct) ); + testcase( ExprHasProperty(pExpr, EP_WinFunc) ); if( ExprHasProperty(pExpr, EP_Distinct|EP_WinFunc) ) return 0; return pTab; @@ -133895,24 +145852,27 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){ ** SQLITE_ERROR and leave an error in pParse. Otherwise, populate ** pFrom->pIndex and return SQLITE_OK. */ -SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *pParse, struct SrcList_item *pFrom){ - if( pFrom->pTab && pFrom->fg.isIndexedBy ){ - Table *pTab = pFrom->pTab; - char *zIndexedBy = pFrom->u1.zIndexedBy; - Index *pIdx; - for(pIdx=pTab->pIndex; - pIdx && sqlite3StrICmp(pIdx->zName, zIndexedBy); - pIdx=pIdx->pNext - ); - if( !pIdx ){ - sqlite3ErrorMsg(pParse, "no such index: %s", zIndexedBy, 0); - pParse->checkSchema = 1; - return SQLITE_ERROR; - } - pFrom->pIBIndex = pIdx; +SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *pParse, SrcItem *pFrom){ + Table *pTab = pFrom->pTab; + char *zIndexedBy = pFrom->u1.zIndexedBy; + Index *pIdx; + assert( pTab!=0 ); + assert( pFrom->fg.isIndexedBy!=0 ); + + for(pIdx=pTab->pIndex; + pIdx && sqlite3StrICmp(pIdx->zName, zIndexedBy); + pIdx=pIdx->pNext + ); + if( !pIdx ){ + sqlite3ErrorMsg(pParse, "no such index: %s", zIndexedBy, 0); + pParse->checkSchema = 1; + return SQLITE_ERROR; } + assert( pFrom->fg.isCte==0 ); + pFrom->u2.pIBIndex = pIdx; return SQLITE_OK; } + /* ** Detect compound SELECT statements that use an ORDER BY clause with ** an alternative collating sequence. @@ -133969,7 +145929,7 @@ static int convertCompoundSelectToSubquery(Walker *pWalker, Select *p){ pNew = sqlite3DbMallocZero(db, sizeof(*pNew) ); if( pNew==0 ) return WRC_Abort; memset(&dummy, 0, sizeof(dummy)); - pNewSrc = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&dummy,pNew,0,0); + pNewSrc = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&dummy,pNew,0); if( pNewSrc==0 ) return WRC_Abort; *pNew = *p; p->pSrc = pNewSrc; @@ -133999,7 +145959,7 @@ static int convertCompoundSelectToSubquery(Walker *pWalker, Select *p){ ** arguments. If it does, leave an error message in pParse and return ** non-zero, since pFrom is not allowed to be a table-valued function. */ -static int cannotBeFunction(Parse *pParse, struct SrcList_item *pFrom){ +static int cannotBeFunction(Parse *pParse, SrcItem *pFrom){ if( pFrom->fg.isTabFunc ){ sqlite3ErrorMsg(pParse, "'%s' is not a function", pFrom->zName); return 1; @@ -134020,21 +145980,22 @@ static int cannotBeFunction(Parse *pParse, struct SrcList_item *pFrom){ */ static struct Cte *searchWith( With *pWith, /* Current innermost WITH clause */ - struct SrcList_item *pItem, /* FROM clause element to resolve */ + SrcItem *pItem, /* FROM clause element to resolve */ With **ppContext /* OUT: WITH clause return value belongs to */ ){ - const char *zName; - if( pItem->zDatabase==0 && (zName = pItem->zName)!=0 ){ - With *p; - for(p=pWith; p; p=p->pOuter){ - int i; - for(i=0; inCte; i++){ - if( sqlite3StrICmp(zName, p->a[i].zName)==0 ){ - *ppContext = p; - return &p->a[i]; - } + const char *zName = pItem->zName; + With *p; + assert( pItem->zDatabase==0 ); + assert( zName!=0 ); + for(p=pWith; p; p=p->pOuter){ + int i; + for(i=0; inCte; i++){ + if( sqlite3StrICmp(zName, p->a[i].zName)==0 ){ + *ppContext = p; + return &p->a[i]; } } + if( p->bView ) break; } return 0; } @@ -134044,58 +146005,92 @@ static struct Cte *searchWith( ** ** This routine pushes the WITH clause passed as the second argument ** onto the top of the stack. If argument bFree is true, then this -** WITH clause will never be popped from the stack. In this case it -** should be freed along with the Parse object. In other cases, when +** WITH clause will never be popped from the stack but should instead +** be freed along with the Parse object. In other cases, when ** bFree==0, the With object will be freed along with the SELECT ** statement with which it is associated. +** +** This routine returns a copy of pWith. Or, if bFree is true and +** the pWith object is destroyed immediately due to an OOM condition, +** then this routine return NULL. +** +** If bFree is true, do not continue to use the pWith pointer after +** calling this routine, Instead, use only the return value. */ -SQLITE_PRIVATE void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ - assert( bFree==0 || (pParse->pWith==0 && pParse->pWithToFree==0) ); +SQLITE_PRIVATE With *sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ if( pWith ){ - assert( pParse->pWith!=pWith ); - pWith->pOuter = pParse->pWith; - pParse->pWith = pWith; - if( bFree ) pParse->pWithToFree = pWith; + if( bFree ){ + pWith = (With*)sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3WithDelete, + pWith); + if( pWith==0 ) return 0; + } + if( pParse->nErr==0 ){ + assert( pParse->pWith!=pWith ); + pWith->pOuter = pParse->pWith; + pParse->pWith = pWith; + } } + return pWith; } /* ** This function checks if argument pFrom refers to a CTE declared by -** a WITH clause on the stack currently maintained by the parser. And, -** if currently processing a CTE expression, if it is a recursive -** reference to the current CTE. +** a WITH clause on the stack currently maintained by the parser (on the +** pParse->pWith linked list). And if currently processing a CTE +** CTE expression, through routine checks to see if the reference is +** a recursive reference to the CTE. ** -** If pFrom falls into either of the two categories above, pFrom->pTab -** and other fields are populated accordingly. The caller should check -** (pFrom->pTab!=0) to determine whether or not a successful match -** was found. +** If pFrom matches a CTE according to either of these two above, pFrom->pTab +** and other fields are populated accordingly. ** -** Whether or not a match is found, SQLITE_OK is returned if no error -** occurs. If an error does occur, an error message is stored in the -** parser and some error code other than SQLITE_OK returned. +** Return 0 if no match is found. +** Return 1 if a match is found. +** Return 2 if an error condition is detected. */ -static int withExpand( - Walker *pWalker, - struct SrcList_item *pFrom +static int resolveFromTermToCte( + Parse *pParse, /* The parsing context */ + Walker *pWalker, /* Current tree walker */ + SrcItem *pFrom /* The FROM clause term to check */ ){ - Parse *pParse = pWalker->pParse; - sqlite3 *db = pParse->db; - struct Cte *pCte; /* Matched CTE (or NULL if no match) */ - With *pWith; /* WITH clause that pCte belongs to */ + Cte *pCte; /* Matched CTE (or NULL if no match) */ + With *pWith; /* The matching WITH */ assert( pFrom->pTab==0 ); + if( pParse->pWith==0 ){ + /* There are no WITH clauses in the stack. No match is possible */ + return 0; + } if( pParse->nErr ){ - return SQLITE_ERROR; + /* Prior errors might have left pParse->pWith in a goofy state, so + ** go no further. */ + return 0; + } + if( pFrom->zDatabase!=0 ){ + /* The FROM term contains a schema qualifier (ex: main.t1) and so + ** it cannot possibly be a CTE reference. */ + return 0; + } + if( pFrom->fg.notCte ){ + /* The FROM term is specifically excluded from matching a CTE. + ** (1) It is part of a trigger that used to have zDatabase but had + ** zDatabase removed by sqlite3FixTriggerStep(). + ** (2) This is the first term in the FROM clause of an UPDATE. + */ + return 0; } - pCte = searchWith(pParse->pWith, pFrom, &pWith); if( pCte ){ + sqlite3 *db = pParse->db; Table *pTab; ExprList *pEList; Select *pSel; Select *pLeft; /* Left-most SELECT statement */ + Select *pRecTerm; /* Left-most recursive term */ int bMayRecursive; /* True if compound joined by UNION [ALL] */ With *pSavedWith; /* Initial value of pParse->pWith */ + int iRecTab = -1; /* Cursor for recursive table */ + CteUse *pCteUse; /* If pCte->zCteErr is non-NULL at this point, then this is an illegal ** recursive reference to CTE pCte. Leave an error in pParse and return @@ -134103,63 +146098,95 @@ static int withExpand( ** In this case, proceed. */ if( pCte->zCteErr ){ sqlite3ErrorMsg(pParse, pCte->zCteErr, pCte->zName); - return SQLITE_ERROR; + return 2; } - if( cannotBeFunction(pParse, pFrom) ) return SQLITE_ERROR; + if( cannotBeFunction(pParse, pFrom) ) return 2; assert( pFrom->pTab==0 ); - pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table)); - if( pTab==0 ) return WRC_Abort; + pTab = sqlite3DbMallocZero(db, sizeof(Table)); + if( pTab==0 ) return 2; + pCteUse = pCte->pUse; + if( pCteUse==0 ){ + pCte->pUse = pCteUse = sqlite3DbMallocZero(db, sizeof(pCteUse[0])); + if( pCteUse==0 + || sqlite3ParserAddCleanup(pParse,sqlite3DbFree,pCteUse)==0 + ){ + sqlite3DbFree(db, pTab); + return 2; + } + pCteUse->eM10d = pCte->eM10d; + } + pFrom->pTab = pTab; pTab->nTabRef = 1; pTab->zName = sqlite3DbStrDup(db, pCte->zName); pTab->iPKey = -1; pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); pTab->tabFlags |= TF_Ephemeral | TF_NoVisibleRowid; pFrom->pSelect = sqlite3SelectDup(db, pCte->pSelect, 0); - if( db->mallocFailed ) return SQLITE_NOMEM_BKPT; + if( db->mallocFailed ) return 2; + pFrom->pSelect->selFlags |= SF_CopyCte; assert( pFrom->pSelect ); + if( pFrom->fg.isIndexedBy ){ + sqlite3ErrorMsg(pParse, "no such index: \"%s\"", pFrom->u1.zIndexedBy); + return 2; + } + pFrom->fg.isCte = 1; + pFrom->u2.pCteUse = pCteUse; + pCteUse->nUse++; /* Check if this is a recursive CTE. */ - pSel = pFrom->pSelect; + pRecTerm = pSel = pFrom->pSelect; bMayRecursive = ( pSel->op==TK_ALL || pSel->op==TK_UNION ); - if( bMayRecursive ){ + while( bMayRecursive && pRecTerm->op==pSel->op ){ int i; - SrcList *pSrc = pFrom->pSelect->pSrc; + SrcList *pSrc = pRecTerm->pSrc; + assert( pRecTerm->pPrior!=0 ); for(i=0; inSrc; i++){ - struct SrcList_item *pItem = &pSrc->a[i]; + SrcItem *pItem = &pSrc->a[i]; if( pItem->zDatabase==0 && pItem->zName!=0 && 0==sqlite3StrICmp(pItem->zName, pCte->zName) - ){ + ){ pItem->pTab = pTab; - pItem->fg.isRecursive = 1; pTab->nTabRef++; - pSel->selFlags |= SF_Recursive; + pItem->fg.isRecursive = 1; + if( pRecTerm->selFlags & SF_Recursive ){ + sqlite3ErrorMsg(pParse, + "multiple references to recursive table: %s", pCte->zName + ); + return 2; + } + pRecTerm->selFlags |= SF_Recursive; + if( iRecTab<0 ) iRecTab = pParse->nTab++; + pItem->iCursor = iRecTab; } } + if( (pRecTerm->selFlags & SF_Recursive)==0 ) break; + pRecTerm = pRecTerm->pPrior; } - /* Only one recursive reference is permitted. */ - if( pTab->nTabRef>2 ){ - sqlite3ErrorMsg( - pParse, "multiple references to recursive table: %s", pCte->zName - ); - return SQLITE_ERROR; - } - assert( pTab->nTabRef==1 || - ((pSel->selFlags&SF_Recursive) && pTab->nTabRef==2 )); - pCte->zCteErr = "circular reference: %s"; pSavedWith = pParse->pWith; pParse->pWith = pWith; - if( bMayRecursive ){ - Select *pPrior = pSel->pPrior; - assert( pPrior->pWith==0 ); - pPrior->pWith = pSel->pWith; - sqlite3WalkSelect(pWalker, pPrior); - pPrior->pWith = 0; + if( pSel->selFlags & SF_Recursive ){ + int rc; + assert( pRecTerm!=0 ); + assert( (pRecTerm->selFlags & SF_Recursive)==0 ); + assert( pRecTerm->pNext!=0 ); + assert( (pRecTerm->pNext->selFlags & SF_Recursive)!=0 ); + assert( pRecTerm->pWith==0 ); + pRecTerm->pWith = pSel->pWith; + rc = sqlite3WalkSelect(pWalker, pRecTerm); + pRecTerm->pWith = 0; + if( rc ){ + pParse->pWith = pSavedWith; + return 2; + } }else{ - sqlite3WalkSelect(pWalker, pSel); + if( sqlite3WalkSelect(pWalker, pSel) ){ + pParse->pWith = pSavedWith; + return 2; + } } pParse->pWith = pWith; @@ -134171,7 +146198,7 @@ static int withExpand( pCte->zName, pEList->nExpr, pCte->pCols->nExpr ); pParse->pWith = pSavedWith; - return SQLITE_ERROR; + return 2; } pEList = pCte->pCols; } @@ -134187,9 +146214,9 @@ static int withExpand( } pCte->zCteErr = 0; pParse->pWith = pSavedWith; + return 1; /* Success */ } - - return SQLITE_OK; + return 0; /* No match */ } #endif @@ -134202,7 +146229,7 @@ static int withExpand( ** sqlite3SelectExpand() when walking a SELECT tree to resolve table ** names and other FROM clause elements. */ -static void selectPopWith(Walker *pWalker, Select *p){ +SQLITE_PRIVATE void sqlite3SelectPopWith(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; if( OK_IF_ALWAYS_TRUE(pParse->pWith) && p->pPrior==0 ){ With *pWith = findRightmost(p)->pWith; @@ -134212,18 +146239,16 @@ static void selectPopWith(Walker *pWalker, Select *p){ } } } -#else -#define selectPopWith 0 #endif /* -** The SrcList_item structure passed as the second argument represents a +** The SrcItem structure passed as the second argument represents a ** sub-query in the FROM clause of a SELECT statement. This function -** allocates and populates the SrcList_item.pTab object. If successful, +** allocates and populates the SrcItem.pTab object. If successful, ** SQLITE_OK is returned. Otherwise, if an OOM error is encountered, ** SQLITE_NOMEM. */ -SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse *pParse, struct SrcList_item *pFrom){ +SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse *pParse, SrcItem *pFrom){ Select *pSel = pFrom->pSelect; Table *pTab; @@ -134234,17 +146259,47 @@ SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse *pParse, struct SrcList_item *pFr if( pFrom->zAlias ){ pTab->zName = sqlite3DbStrDup(pParse->db, pFrom->zAlias); }else{ - pTab->zName = sqlite3MPrintf(pParse->db, "subquery_%u", pSel->selId); + pTab->zName = sqlite3MPrintf(pParse->db, "%!S", pFrom); } while( pSel->pPrior ){ pSel = pSel->pPrior; } sqlite3ColumnsFromExprList(pParse, pSel->pEList,&pTab->nCol,&pTab->aCol); pTab->iPKey = -1; pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); - pTab->tabFlags |= TF_Ephemeral; - +#ifndef SQLITE_ALLOW_ROWID_IN_VIEW + /* The usual case - do not allow ROWID on a subquery */ + pTab->tabFlags |= TF_Ephemeral | TF_NoVisibleRowid; +#else + pTab->tabFlags |= TF_Ephemeral; /* Legacy compatibility mode */ +#endif return pParse->nErr ? SQLITE_ERROR : SQLITE_OK; } + +/* +** Check the N SrcItem objects to the right of pBase. (N might be zero!) +** If any of those SrcItem objects have a USING clause containing zName +** then return true. +** +** If N is zero, or none of the N SrcItem objects to the right of pBase +** contains a USING clause, or if none of the USING clauses contain zName, +** then return false. +*/ +static int inAnyUsingClause( + const char *zName, /* Name we are looking for */ + SrcItem *pBase, /* The base SrcItem. Looking at pBase[1] and following */ + int N /* How many SrcItems to check */ +){ + while( N>0 ){ + N--; + pBase++; + if( pBase->fg.isUsing==0 ) continue; + if( NEVER(pBase->u3.pUsing==0) ) continue; + if( sqlite3IdListIndex(pBase->u3.pUsing, zName)>=0 ) return 1; + } + return 0; +} + + /* ** This routine is a Walker callback for "expanding" a SELECT statement. ** "Expanding" means to do the following: @@ -134271,10 +146326,10 @@ SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse *pParse, struct SrcList_item *pFr */ static int selectExpander(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; - int i, j, k; + int i, j, k, rc; SrcList *pTabList; ExprList *pEList; - struct SrcList_item *pFrom; + SrcItem *pFrom; sqlite3 *db = pParse->db; Expr *pE, *pRight, *pExpr; u16 selFlags = p->selFlags; @@ -134294,6 +146349,15 @@ static int selectExpander(Walker *pWalker, Select *p){ } pTabList = p->pSrc; pEList = p->pEList; + if( pParse->pWith && (p->selFlags & SF_View) ){ + if( p->pWith==0 ){ + p->pWith = (With*)sqlite3DbMallocZero(db, sizeof(With)); + if( p->pWith==0 ){ + return WRC_Abort; + } + } + p->pWith->bView = 1; + } sqlite3WithPush(pParse, p->pWith, 0); /* Make sure cursor numbers have been assigned to all entries in @@ -134310,10 +146374,6 @@ static int selectExpander(Walker *pWalker, Select *p){ assert( pFrom->fg.isRecursive==0 || pFrom->pTab!=0 ); if( pFrom->pTab ) continue; assert( pFrom->fg.isRecursive==0 ); -#ifndef SQLITE_OMIT_CTE - if( withExpand(pWalker, pFrom) ) return WRC_Abort; - if( pFrom->pTab ) {} else -#endif if( pFrom->zName==0 ){ #ifndef SQLITE_OMIT_SUBQUERY Select *pSel = pFrom->pSelect; @@ -134322,6 +146382,12 @@ static int selectExpander(Walker *pWalker, Select *p){ assert( pFrom->pTab==0 ); if( sqlite3WalkSelect(pWalker, pSel) ) return WRC_Abort; if( sqlite3ExpandSubquery(pParse, pFrom) ) return WRC_Abort; +#endif +#ifndef SQLITE_OMIT_CTE + }else if( (rc = resolveFromTermToCte(pParse, pWalker, pFrom))!=0 ){ + if( rc>1 ) return WRC_Abort; + pTab = pFrom->pTab; + assert( pTab!=0 ); #endif }else{ /* An ordinary table or view name in the FROM clause */ @@ -134339,26 +146405,31 @@ static int selectExpander(Walker *pWalker, Select *p){ return WRC_Abort; } #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) - if( IsVirtual(pTab) || pTab->pSelect ){ + if( !IsOrdinaryTable(pTab) ){ i16 nCol; u8 eCodeOrig = pWalker->eCode; if( sqlite3ViewGetColumnNames(pParse, pTab) ) return WRC_Abort; assert( pFrom->pSelect==0 ); - if( pTab->pSelect && (db->flags & SQLITE_EnableView)==0 ){ - sqlite3ErrorMsg(pParse, "access to view \"%s\" prohibited", - pTab->zName); + if( IsView(pTab) ){ + if( (db->flags & SQLITE_EnableView)==0 + && pTab->pSchema!=db->aDb[1].pSchema + ){ + sqlite3ErrorMsg(pParse, "access to view \"%s\" prohibited", + pTab->zName); + } + pFrom->pSelect = sqlite3SelectDup(db, pTab->u.view.pSelect, 0); } #ifndef SQLITE_OMIT_VIRTUALTABLE - if( IsVirtual(pTab) + else if( ALWAYS(IsVirtual(pTab)) && pFrom->fg.fromDDL - && ALWAYS(pTab->pVTable!=0) - && pTab->pVTable->eVtabRisk > ((db->flags & SQLITE_TrustedSchema)!=0) + && ALWAYS(pTab->u.vtab.p!=0) + && pTab->u.vtab.p->eVtabRisk > ((db->flags & SQLITE_TrustedSchema)!=0) ){ sqlite3ErrorMsg(pParse, "unsafe use of virtual table \"%s\"", pTab->zName); } + assert( SQLITE_VTABRISK_Normal==1 && SQLITE_VTABRISK_High==2 ); #endif - pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0); nCol = pTab->nCol; pTab->nCol = -1; pWalker->eCode = 1; /* Turn on Select.selId renumbering */ @@ -134370,14 +146441,15 @@ static int selectExpander(Walker *pWalker, Select *p){ } /* Locate the index named by the INDEXED BY clause, if any. */ - if( sqlite3IndexedByLookup(pParse, pFrom) ){ + if( pFrom->fg.isIndexedBy && sqlite3IndexedByLookup(pParse, pFrom) ){ return WRC_Abort; } } /* Process NATURAL keywords, and ON and USING clauses of joins. */ - if( pParse->nErr || db->mallocFailed || sqliteProcessJoin(pParse, p) ){ + assert( db->mallocFailed==0 || pParse->nErr!=0 ); + if( pParse->nErr || sqlite3ProcessJoin(pParse, p) ){ return WRC_Abort; } @@ -134425,7 +146497,7 @@ static int selectExpander(Walker *pWalker, Select *p){ pNew = sqlite3ExprListAppend(pParse, pNew, a[k].pExpr); if( pNew ){ pNew->a[pNew->nExpr-1].zEName = a[k].zEName; - pNew->a[pNew->nExpr-1].eEName = a[k].eEName; + pNew->a[pNew->nExpr-1].fg.eEName = a[k].fg.eEName; a[k].zEName = 0; } a[k].pExpr = 0; @@ -134434,38 +146506,73 @@ static int selectExpander(Walker *pWalker, Select *p){ ** expanded. */ int tableSeen = 0; /* Set to 1 when TABLE matches */ char *zTName = 0; /* text of name of TABLE */ + int iErrOfst; if( pE->op==TK_DOT ){ assert( pE->pLeft!=0 ); assert( !ExprHasProperty(pE->pLeft, EP_IntValue) ); zTName = pE->pLeft->u.zToken; + assert( ExprUseWOfst(pE->pLeft) ); + iErrOfst = pE->pRight->w.iOfst; + }else{ + assert( ExprUseWOfst(pE) ); + iErrOfst = pE->w.iOfst; } for(i=0, pFrom=pTabList->a; inSrc; i++, pFrom++){ - Table *pTab = pFrom->pTab; - Select *pSub = pFrom->pSelect; - char *zTabName = pFrom->zAlias; - const char *zSchemaName = 0; - int iDb; - if( zTabName==0 ){ + Table *pTab = pFrom->pTab; /* Table for this data source */ + ExprList *pNestedFrom; /* Result-set of a nested FROM clause */ + char *zTabName; /* AS name for this data source */ + const char *zSchemaName = 0; /* Schema name for this data source */ + int iDb; /* Schema index for this data src */ + IdList *pUsing; /* USING clause for pFrom[1] */ + + if( (zTabName = pFrom->zAlias)==0 ){ zTabName = pTab->zName; } if( db->mallocFailed ) break; - if( pSub==0 || (pSub->selFlags & SF_NestedFrom)==0 ){ - pSub = 0; + assert( (int)pFrom->fg.isNestedFrom == IsNestedFrom(pFrom->pSelect) ); + if( pFrom->fg.isNestedFrom ){ + assert( pFrom->pSelect!=0 ); + pNestedFrom = pFrom->pSelect->pEList; + assert( pNestedFrom!=0 ); + assert( pNestedFrom->nExpr==pTab->nCol ); + }else{ if( zTName && sqlite3StrICmp(zTName, zTabName)!=0 ){ continue; } + pNestedFrom = 0; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); zSchemaName = iDb>=0 ? db->aDb[iDb].zDbSName : "*"; } + if( i+1nSrc + && pFrom[1].fg.isUsing + && (selFlags & SF_NestedFrom)!=0 + ){ + int ii; + pUsing = pFrom[1].u3.pUsing; + for(ii=0; iinId; ii++){ + const char *zUName = pUsing->a[ii].zName; + pRight = sqlite3Expr(db, TK_ID, zUName); + sqlite3ExprSetErrorOffset(pRight, iErrOfst); + pNew = sqlite3ExprListAppend(pParse, pNew, pRight); + if( pNew ){ + struct ExprList_item *pX = &pNew->a[pNew->nExpr-1]; + assert( pX->zEName==0 ); + pX->zEName = sqlite3MPrintf(db,"..%s", zUName); + pX->fg.eEName = ENAME_TAB; + pX->fg.bUsingTerm = 1; + } + } + }else{ + pUsing = 0; + } for(j=0; jnCol; j++){ - char *zName = pTab->aCol[j].zName; - char *zColname; /* The computed column name */ - char *zToFree; /* Malloced string that needs to be freed */ - Token sColname; /* Computed column name as a token */ + char *zName = pTab->aCol[j].zCnName; + struct ExprList_item *pX; /* Newly added ExprList term */ assert( zName ); - if( zTName && pSub - && sqlite3MatchEName(&pSub->pEList->a[j], 0, zTName, 0)==0 + if( zTName + && pNestedFrom + && sqlite3MatchEName(&pNestedFrom->a[j], 0, zTName, 0)==0 ){ continue; } @@ -134479,57 +146586,76 @@ static int selectExpander(Walker *pWalker, Select *p){ ){ continue; } + if( (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)!=0 + && zTName==0 + && (selFlags & (SF_NestedFrom))==0 + ){ + continue; + } tableSeen = 1; - if( i>0 && zTName==0 ){ - if( (pFrom->fg.jointype & JT_NATURAL)!=0 - && tableAndColumnIndex(pTabList, i, zName, 0, 0, 1) + if( i>0 && zTName==0 && (selFlags & SF_NestedFrom)==0 ){ + if( pFrom->fg.isUsing + && sqlite3IdListIndex(pFrom->u3.pUsing, zName)>=0 ){ - /* In a NATURAL join, omit the join columns from the - ** table to the right of the join */ - continue; - } - if( sqlite3IdListIndex(pFrom->pUsing, zName)>=0 ){ /* In a join with a USING clause, omit columns in the ** using clause from the table on the right. */ continue; } } pRight = sqlite3Expr(db, TK_ID, zName); - zColname = zName; - zToFree = 0; - if( longNames || pTabList->nSrc>1 ){ + if( (pTabList->nSrc>1 + && ( (pFrom->fg.jointype & JT_LTORJ)==0 + || (selFlags & SF_NestedFrom)!=0 + || !inAnyUsingClause(zName,pFrom,pTabList->nSrc-i-1) + ) + ) + || IN_RENAME_OBJECT + ){ Expr *pLeft; pLeft = sqlite3Expr(db, TK_ID, zTabName); pExpr = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); + if( IN_RENAME_OBJECT && pE->pLeft ){ + sqlite3RenameTokenRemap(pParse, pLeft, pE->pLeft); + } if( zSchemaName ){ pLeft = sqlite3Expr(db, TK_ID, zSchemaName); pExpr = sqlite3PExpr(pParse, TK_DOT, pLeft, pExpr); } - if( longNames ){ - zColname = sqlite3MPrintf(db, "%s.%s", zTabName, zName); - zToFree = zColname; - } }else{ pExpr = pRight; } + sqlite3ExprSetErrorOffset(pExpr, iErrOfst); pNew = sqlite3ExprListAppend(pParse, pNew, pExpr); - sqlite3TokenInit(&sColname, zColname); - sqlite3ExprListSetName(pParse, pNew, &sColname, 0); - if( pNew && (p->selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){ - struct ExprList_item *pX = &pNew->a[pNew->nExpr-1]; - sqlite3DbFree(db, pX->zEName); - if( pSub ){ - pX->zEName = sqlite3DbStrDup(db, pSub->pEList->a[j].zEName); + if( pNew==0 ){ + break; /* OOM */ + } + pX = &pNew->a[pNew->nExpr-1]; + assert( pX->zEName==0 ); + if( (selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){ + if( pNestedFrom ){ + pX->zEName = sqlite3DbStrDup(db, pNestedFrom->a[j].zEName); testcase( pX->zEName==0 ); }else{ pX->zEName = sqlite3MPrintf(db, "%s.%s.%s", - zSchemaName, zTabName, zColname); + zSchemaName, zTabName, zName); testcase( pX->zEName==0 ); } - pX->eEName = ENAME_TAB; + pX->fg.eEName = ENAME_TAB; + if( (pFrom->fg.isUsing + && sqlite3IdListIndex(pFrom->u3.pUsing, zName)>=0) + || (pUsing && sqlite3IdListIndex(pUsing, zName)>=0) + || (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)!=0 + ){ + pX->fg.bNoExpand = 1; + } + }else if( longNames ){ + pX->zEName = sqlite3MPrintf(db, "%s.%s", zTabName, zName); + pX->fg.eEName = ENAME_NAME; + }else{ + pX->zEName = sqlite3DbStrDup(db, zName); + pX->fg.eEName = ENAME_NAME; } - sqlite3DbFree(db, zToFree); } } if( !tableSeen ){ @@ -134553,6 +146679,12 @@ static int selectExpander(Walker *pWalker, Select *p){ p->selFlags |= SF_ComplexResult; } } +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x8 ){ + TREETRACE(0x8,pParse,p,("After result-set wildcard expansion:\n")); + sqlite3TreeViewSelect(0, p, 0); + } +#endif return WRC_Continue; } @@ -134589,7 +146721,7 @@ static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){ sqlite3WalkSelect(&w, pSelect); } w.xSelectCallback = selectExpander; - w.xSelectCallback2 = selectPopWith; + w.xSelectCallback2 = sqlite3SelectPopWith; w.eCode = 0; sqlite3WalkSelect(&w, pSelect); } @@ -134600,20 +146732,20 @@ static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){ ** This is a Walker.xSelectCallback callback for the sqlite3SelectTypeInfo() ** interface. ** -** For each FROM-clause subquery, add Column.zType and Column.zColl -** information to the Table structure that represents the result set -** of that subquery. +** For each FROM-clause subquery, add Column.zType, Column.zColl, and +** Column.affinity information to the Table structure that represents +** the result set of that subquery. ** ** The Table structure that represents the result set was constructed -** by selectExpander() but the type and collation information was omitted -** at that point because identifiers had not yet been resolved. This -** routine is called after identifier resolution. +** by selectExpander() but the type and collation and affinity information +** was omitted at that point because identifiers had not yet been resolved. +** This routine is called after identifier resolution. */ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ Parse *pParse; int i; SrcList *pTabList; - struct SrcList_item *pFrom; + SrcItem *pFrom; assert( p->selFlags & SF_Resolved ); if( p->selFlags & SF_HasTypeInfo ) return; @@ -134627,9 +146759,7 @@ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ /* A sub-query in the FROM clause of a SELECT */ Select *pSel = pFrom->pSelect; if( pSel ){ - while( pSel->pPrior ) pSel = pSel->pPrior; - sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSel, - SQLITE_AFF_NONE); + sqlite3SubqueryColumnTypes(pParse, pTab, pSel, SQLITE_AFF_NONE); } } } @@ -134674,15 +146804,188 @@ SQLITE_PRIVATE void sqlite3SelectPrep( NameContext *pOuterNC /* Name context for container */ ){ assert( p!=0 || pParse->db->mallocFailed ); + assert( pParse->db->pParse==pParse ); if( pParse->db->mallocFailed ) return; if( p->selFlags & SF_HasTypeInfo ) return; sqlite3SelectExpand(pParse, p); - if( pParse->nErr || pParse->db->mallocFailed ) return; + if( pParse->nErr ) return; sqlite3ResolveSelectNames(pParse, p, pOuterNC); - if( pParse->nErr || pParse->db->mallocFailed ) return; + if( pParse->nErr ) return; sqlite3SelectAddTypeInfo(pParse, p); } +#if TREETRACE_ENABLED +/* +** Display all information about an AggInfo object +*/ +static void printAggInfo(AggInfo *pAggInfo){ + int ii; + for(ii=0; iinColumn; ii++){ + struct AggInfo_col *pCol = &pAggInfo->aCol[ii]; + sqlite3DebugPrintf( + "agg-column[%d] pTab=%s iTable=%d iColumn=%d iMem=%d" + " iSorterColumn=%d %s\n", + ii, pCol->pTab ? pCol->pTab->zName : "NULL", + pCol->iTable, pCol->iColumn, pAggInfo->iFirstReg+ii, + pCol->iSorterColumn, + ii>=pAggInfo->nAccumulator ? "" : " Accumulator"); + sqlite3TreeViewExpr(0, pAggInfo->aCol[ii].pCExpr, 0); + } + for(ii=0; iinFunc; ii++){ + sqlite3DebugPrintf("agg-func[%d]: iMem=%d\n", + ii, pAggInfo->iFirstReg+pAggInfo->nColumn+ii); + sqlite3TreeViewExpr(0, pAggInfo->aFunc[ii].pFExpr, 0); + } +} +#endif /* TREETRACE_ENABLED */ + +/* +** Analyze the arguments to aggregate functions. Create new pAggInfo->aCol[] +** entries for columns that are arguments to aggregate functions but which +** are not otherwise used. +** +** The aCol[] entries in AggInfo prior to nAccumulator are columns that +** are referenced outside of aggregate functions. These might be columns +** that are part of the GROUP by clause, for example. Other database engines +** would throw an error if there is a column reference that is not in the +** GROUP BY clause and that is not part of an aggregate function argument. +** But SQLite allows this. +** +** The aCol[] entries beginning with the aCol[nAccumulator] and following +** are column references that are used exclusively as arguments to +** aggregate functions. This routine is responsible for computing +** (or recomputing) those aCol[] entries. +*/ +static void analyzeAggFuncArgs( + AggInfo *pAggInfo, + NameContext *pNC +){ + int i; + assert( pAggInfo!=0 ); + assert( pAggInfo->iFirstReg==0 ); + pNC->ncFlags |= NC_InAggFunc; + for(i=0; inFunc; i++){ + Expr *pExpr = pAggInfo->aFunc[i].pFExpr; + assert( ExprUseXList(pExpr) ); + sqlite3ExprAnalyzeAggList(pNC, pExpr->x.pList); +#ifndef SQLITE_OMIT_WINDOWFUNC + assert( !IsWindowFunc(pExpr) ); + if( ExprHasProperty(pExpr, EP_WinFunc) ){ + sqlite3ExprAnalyzeAggregates(pNC, pExpr->y.pWin->pFilter); + } +#endif + } + pNC->ncFlags &= ~NC_InAggFunc; +} + +/* +** An index on expressions is being used in the inner loop of an +** aggregate query with a GROUP BY clause. This routine attempts +** to adjust the AggInfo object to take advantage of index and to +** perhaps use the index as a covering index. +** +*/ +static void optimizeAggregateUseOfIndexedExpr( + Parse *pParse, /* Parsing context */ + Select *pSelect, /* The SELECT statement being processed */ + AggInfo *pAggInfo, /* The aggregate info */ + NameContext *pNC /* Name context used to resolve agg-func args */ +){ + assert( pAggInfo->iFirstReg==0 ); + assert( pSelect!=0 ); + assert( pSelect->pGroupBy!=0 ); + pAggInfo->nColumn = pAggInfo->nAccumulator; + if( ALWAYS(pAggInfo->nSortingColumn>0) ){ + int mx = pSelect->pGroupBy->nExpr - 1; + int j, k; + for(j=0; jnColumn; j++){ + k = pAggInfo->aCol[j].iSorterColumn; + if( k>mx ) mx = k; + } + pAggInfo->nSortingColumn = mx+1; + } + analyzeAggFuncArgs(pAggInfo, pNC); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20 ){ + IndexedExpr *pIEpr; + TREETRACE(0x20, pParse, pSelect, + ("AggInfo (possibly) adjusted for Indexed Exprs\n")); + sqlite3TreeViewSelect(0, pSelect, 0); + for(pIEpr=pParse->pIdxEpr; pIEpr; pIEpr=pIEpr->pIENext){ + printf("data-cursor=%d index={%d,%d}\n", + pIEpr->iDataCur, pIEpr->iIdxCur, pIEpr->iIdxCol); + sqlite3TreeViewExpr(0, pIEpr->pExpr, 0); + } + printAggInfo(pAggInfo); + } +#else + UNUSED_PARAMETER(pSelect); + UNUSED_PARAMETER(pParse); +#endif +} + +/* +** Walker callback for aggregateConvertIndexedExprRefToColumn(). +*/ +static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){ + AggInfo *pAggInfo; + struct AggInfo_col *pCol; + UNUSED_PARAMETER(pWalker); + if( pExpr->pAggInfo==0 ) return WRC_Continue; + if( pExpr->op==TK_AGG_COLUMN ) return WRC_Continue; + if( pExpr->op==TK_AGG_FUNCTION ) return WRC_Continue; + if( pExpr->op==TK_IF_NULL_ROW ) return WRC_Continue; + pAggInfo = pExpr->pAggInfo; + if( NEVER(pExpr->iAgg>=pAggInfo->nColumn) ) return WRC_Continue; + assert( pExpr->iAgg>=0 ); + pCol = &pAggInfo->aCol[pExpr->iAgg]; + pExpr->op = TK_AGG_COLUMN; + pExpr->iTable = pCol->iTable; + pExpr->iColumn = pCol->iColumn; + ExprClearProperty(pExpr, EP_Skip|EP_Collate|EP_Unlikely); + return WRC_Prune; +} + +/* +** Convert every pAggInfo->aFunc[].pExpr such that any node within +** those expressions that has pAppInfo set is changed into a TK_AGG_COLUMN +** opcode. +*/ +static void aggregateConvertIndexedExprRefToColumn(AggInfo *pAggInfo){ + int i; + Walker w; + memset(&w, 0, sizeof(w)); + w.xExprCallback = aggregateIdxEprRefToColCallback; + for(i=0; inFunc; i++){ + sqlite3WalkExpr(&w, pAggInfo->aFunc[i].pFExpr); + } +} + + +/* +** Allocate a block of registers so that there is one register for each +** pAggInfo->aCol[] and pAggInfo->aFunc[] entry in pAggInfo. The first +** register in this block is stored in pAggInfo->iFirstReg. +** +** This routine may only be called once for each AggInfo object. Prior +** to calling this routine: +** +** * The aCol[] and aFunc[] arrays may be modified +** * The AggInfoColumnReg() and AggInfoFuncReg() macros may not be used +** +** After calling this routine: +** +** * The aCol[] and aFunc[] arrays are fixed +** * The AggInfoColumnReg() and AggInfoFuncReg() macros may be used +** +*/ +static void assignAggregateRegisters(Parse *pParse, AggInfo *pAggInfo){ + assert( pAggInfo!=0 ); + assert( pAggInfo->iFirstReg==0 ); + pAggInfo->iFirstReg = pParse->nMem + 1; + pParse->nMem += pAggInfo->nColumn + pAggInfo->nFunc; +} + /* ** Reset the aggregate accumulator. ** @@ -134696,34 +146999,27 @@ static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){ int i; struct AggInfo_func *pFunc; int nReg = pAggInfo->nFunc + pAggInfo->nColumn; + assert( pAggInfo->iFirstReg>0 ); + assert( pParse->db->pParse==pParse ); + assert( pParse->db->mallocFailed==0 || pParse->nErr!=0 ); if( nReg==0 ) return; - if( pParse->nErr || pParse->db->mallocFailed ) return; -#ifdef SQLITE_DEBUG - /* Verify that all AggInfo registers are within the range specified by - ** AggInfo.mnReg..AggInfo.mxReg */ - assert( nReg==pAggInfo->mxReg-pAggInfo->mnReg+1 ); - for(i=0; inColumn; i++){ - assert( pAggInfo->aCol[i].iMem>=pAggInfo->mnReg - && pAggInfo->aCol[i].iMem<=pAggInfo->mxReg ); - } - for(i=0; inFunc; i++){ - assert( pAggInfo->aFunc[i].iMem>=pAggInfo->mnReg - && pAggInfo->aFunc[i].iMem<=pAggInfo->mxReg ); - } -#endif - sqlite3VdbeAddOp3(v, OP_Null, 0, pAggInfo->mnReg, pAggInfo->mxReg); + if( pParse->nErr ) return; + sqlite3VdbeAddOp3(v, OP_Null, 0, pAggInfo->iFirstReg, + pAggInfo->iFirstReg+nReg-1); for(pFunc=pAggInfo->aFunc, i=0; inFunc; i++, pFunc++){ if( pFunc->iDistinct>=0 ){ Expr *pE = pFunc->pFExpr; - assert( !ExprHasProperty(pE, EP_xIsSelect) ); + assert( ExprUseXList(pE) ); if( pE->x.pList==0 || pE->x.pList->nExpr!=1 ){ sqlite3ErrorMsg(pParse, "DISTINCT aggregates must have exactly one " "argument"); pFunc->iDistinct = -1; }else{ KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pE->x.pList,0,0); - sqlite3VdbeAddOp4(v, OP_OpenEphemeral, pFunc->iDistinct, 0, 0, - (char*)pKeyInfo, P4_KEYINFO); + pFunc->iDistAddr = sqlite3VdbeAddOp4(v, OP_OpenEphemeral, + pFunc->iDistinct, 0, 0, (char*)pKeyInfo, P4_KEYINFO); + ExplainQueryPlan((pParse, 0, "USE TEMP B-TREE FOR %s(DISTINCT)", + pFunc->pFunc->zName)); } } } @@ -134738,24 +147034,31 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){ int i; struct AggInfo_func *pF; for(i=0, pF=pAggInfo->aFunc; inFunc; i++, pF++){ - ExprList *pList = pF->pFExpr->x.pList; - assert( !ExprHasProperty(pF->pFExpr, EP_xIsSelect) ); - sqlite3VdbeAddOp2(v, OP_AggFinal, pF->iMem, pList ? pList->nExpr : 0); + ExprList *pList; + assert( ExprUseXList(pF->pFExpr) ); + pList = pF->pFExpr->x.pList; + sqlite3VdbeAddOp2(v, OP_AggFinal, AggInfoFuncReg(pAggInfo,i), + pList ? pList->nExpr : 0); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); } } /* -** Update the accumulator memory cells for an aggregate based on -** the current cursor position. +** Generate code that will update the accumulator memory cells for an +** aggregate based on the current cursor position. ** ** If regAcc is non-zero and there are no min() or max() aggregates ** in pAggInfo, then only populate the pAggInfo->nAccumulator accumulator ** registers if register regAcc contains 0. The caller will take care ** of setting and clearing regAcc. */ -static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ +static void updateAccumulator( + Parse *pParse, + int regAcc, + AggInfo *pAggInfo, + int eDistinctType +){ Vdbe *v = pParse->pVdbe; int i; int regHit = 0; @@ -134763,14 +147066,17 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ struct AggInfo_func *pF; struct AggInfo_col *pC; + assert( pAggInfo->iFirstReg>0 ); + if( pParse->nErr ) return; pAggInfo->directMode = 1; for(i=0, pF=pAggInfo->aFunc; inFunc; i++, pF++){ int nArg; int addrNext = 0; int regAgg; - ExprList *pList = pF->pFExpr->x.pList; - assert( !ExprHasProperty(pF->pFExpr, EP_xIsSelect) ); + ExprList *pList; + assert( ExprUseXList(pF->pFExpr) ); assert( !IsWindowFunc(pF->pFExpr) ); + pList = pF->pFExpr->x.pList; if( ExprHasProperty(pF->pFExpr, EP_WinFunc) ){ Expr *pFilter = pF->pFExpr->y.pWin->pFilter; if( pAggInfo->nAccumulator @@ -134801,13 +147107,12 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ nArg = 0; regAgg = 0; } - if( pF->iDistinct>=0 ){ + if( pF->iDistinct>=0 && pList ){ if( addrNext==0 ){ addrNext = sqlite3VdbeMakeLabel(pParse); } - testcase( nArg==0 ); /* Error condition */ - testcase( nArg>1 ); /* Also an error */ - codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg); + pF->iDistinct = codeDistinct(pParse, eDistinctType, + pF->iDistinct, addrNext, pList, regAgg); } if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){ CollSeq *pColl = 0; @@ -134823,7 +147128,7 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem; sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0, (char *)pColl, P4_COLLSEQ); } - sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, pF->iMem); + sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i)); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nArg); sqlite3ReleaseTempRange(pParse, regAgg, nArg); @@ -134838,7 +147143,7 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ addrHitTest = sqlite3VdbeAddOp1(v, OP_If, regHit); VdbeCoverage(v); } for(i=0, pC=pAggInfo->aCol; inAccumulator; i++, pC++){ - sqlite3ExprCode(pParse, pC->pCExpr, pC->iMem); + sqlite3ExprCode(pParse, pC->pCExpr, AggInfoColumnReg(pAggInfo,i)); } pAggInfo->directMode = 0; @@ -134859,7 +147164,7 @@ static void explainSimpleCount( ){ if( pParse->explain==2 ){ int bCover = (pIdx!=0 && (HasRowid(pTab) || !IsPrimaryKeyIndex(pIdx))); - sqlite3VdbeExplain(pParse, 0, "SCAN TABLE %s%s%s", + sqlite3VdbeExplain(pParse, 0, "SCAN %s%s%s", pTab->zName, bCover ? " USING COVERING INDEX " : "", bCover ? pIdx->zName : "" @@ -134884,7 +147189,17 @@ static void explainSimpleCount( static int havingToWhereExprCb(Walker *pWalker, Expr *pExpr){ if( pExpr->op!=TK_AND ){ Select *pS = pWalker->u.pSelect; - if( sqlite3ExprIsConstantOrGroupBy(pWalker->pParse, pExpr, pS->pGroupBy) ){ + /* This routine is called before the HAVING clause of the current + ** SELECT is analyzed for aggregates. So if pExpr->pAggInfo is set + ** here, it indicates that the expression is a correlated reference to a + ** column from an outer aggregate query, or an aggregate function that + ** belongs to an outer query. Do not move the expression to the WHERE + ** clause in this obscure case, as doing so may corrupt the outer Select + ** statements AggInfo structure. */ + if( sqlite3ExprIsConstantOrGroupBy(pWalker->pParse, pExpr, pS->pGroupBy) + && ExprAlwaysFalse(pExpr)==0 + && pExpr->pAggInfo==0 + ){ sqlite3 *db = pWalker->pParse->db; Expr *pNew = sqlite3Expr(db, TK_INTEGER, "1"); if( pNew ){ @@ -134922,26 +147237,33 @@ static void havingToWhere(Parse *pParse, Select *p){ sWalker.xExprCallback = havingToWhereExprCb; sWalker.u.pSelect = p; sqlite3WalkExpr(&sWalker, p->pHaving); -#if SELECTTRACE_ENABLED - if( sWalker.eCode && (sqlite3_unsupported_selecttrace & 0x100)!=0 ){ - SELECTTRACE(0x100,pParse,p,("Move HAVING terms into WHERE:\n")); +#if TREETRACE_ENABLED + if( sWalker.eCode && (sqlite3TreeTrace & 0x100)!=0 ){ + TREETRACE(0x100,pParse,p,("Move HAVING terms into WHERE:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif } /* -** Check to see if the pThis entry of pTabList is a self-join of a prior view. -** If it is, then return the SrcList_item for the prior view. If it is not, -** then return 0. +** Check to see if the pThis entry of pTabList is a self-join of another view. +** Search FROM-clause entries in the range of iFirst..iEnd, including iFirst +** but stopping before iEnd. +** +** If pThis is a self-join, then return the SrcItem for the first other +** instance of that view found. If pThis is not a self-join then return 0. */ -static struct SrcList_item *isSelfJoinView( +static SrcItem *isSelfJoinView( SrcList *pTabList, /* Search for self-joins in this FROM clause */ - struct SrcList_item *pThis /* Search for prior reference to this subquery */ + SrcItem *pThis, /* Search for prior reference to this subquery */ + int iFirst, int iEnd /* Range of FROM-clause entries to search. */ ){ - struct SrcList_item *pItem; - for(pItem = pTabList->a; pItempSelect!=0 ); + if( pThis->pSelect->selFlags & SF_PushDown ) return 0; + while( iFirsta[iFirst++]; if( pItem->pSelect==0 ) continue; if( pItem->fg.viaCoroutine ) continue; if( pItem->zName==0 ) continue; @@ -134955,9 +147277,7 @@ static struct SrcList_item *isSelfJoinView( ** names in the same FROM clause. */ continue; } - if( sqlite3ExprCompare(0, pThis->pSelect->pWhere, pS1->pWhere, -1) - || sqlite3ExprCompare(0, pThis->pSelect->pHaving, pS1->pHaving, -1) - ){ + if( pItem->pSelect->selFlags & SF_PushDown ){ /* The view was modified by some other optimization such as ** pushDownWhereTerms() */ continue; @@ -134967,7 +147287,15 @@ static struct SrcList_item *isSelfJoinView( return 0; } -#ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION +/* +** Deallocate a single AggInfo object +*/ +static void agginfoFree(sqlite3 *db, AggInfo *p){ + sqlite3DbFree(db, p->aCol); + sqlite3DbFree(db, p->aFunc); + sqlite3DbFreeNN(db, p); +} + /* ** Attempt to transform a query of the form ** @@ -134995,21 +147323,28 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ if( (p->selFlags & SF_Aggregate)==0 ) return 0; /* This is an aggregate */ if( p->pEList->nExpr!=1 ) return 0; /* Single result column */ if( p->pWhere ) return 0; + if( p->pHaving ) return 0; if( p->pGroupBy ) return 0; + if( p->pOrderBy ) return 0; pExpr = p->pEList->a[0].pExpr; if( pExpr->op!=TK_AGG_FUNCTION ) return 0; /* Result is an aggregate */ + assert( ExprUseUToken(pExpr) ); if( sqlite3_stricmp(pExpr->u.zToken,"count") ) return 0; /* Is count() */ + assert( ExprUseXList(pExpr) ); if( pExpr->x.pList!=0 ) return 0; /* Must be count(*) */ if( p->pSrc->nSrc!=1 ) return 0; /* One table in FROM */ + if( ExprHasProperty(pExpr, EP_WinFunc) ) return 0;/* Not a window function */ pSub = p->pSrc->a[0].pSelect; if( pSub==0 ) return 0; /* The FROM is a subquery */ - if( pSub->pPrior==0 ) return 0; /* Must be a compound ry */ + if( pSub->pPrior==0 ) return 0; /* Must be a compound */ + if( pSub->selFlags & SF_CopyCte ) return 0; /* Not a CTE */ do{ if( pSub->op!=TK_ALL && pSub->pPrior ) return 0; /* Must be UNION ALL */ if( pSub->pWhere ) return 0; /* No WHERE clause */ if( pSub->pLimit ) return 0; /* No LIMIT clause */ if( pSub->selFlags & SF_Aggregate ) return 0; /* Not an aggregate */ - pSub = pSub->pPrior; /* Repeat over compound */ + assert( pSub->pHaving==0 ); /* Due to the previous */ + pSub = pSub->pPrior; /* Repeat over compound */ }while( pSub ); /* If we reach this point then it is OK to perform the transformation */ @@ -135044,15 +147379,99 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ p->pEList->a[0].pExpr = pExpr; p->selFlags &= ~SF_Aggregate; -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("After count-of-view optimization:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x200 ){ + TREETRACE(0x200,pParse,p,("After count-of-view optimization:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif return 1; } -#endif /* SQLITE_COUNTOFVIEW_OPTIMIZATION */ + +/* +** If any term of pSrc, or any SF_NestedFrom sub-query, is not the same +** as pSrcItem but has the same alias as p0, then return true. +** Otherwise return false. +*/ +static int sameSrcAlias(SrcItem *p0, SrcList *pSrc){ + int i; + for(i=0; inSrc; i++){ + SrcItem *p1 = &pSrc->a[i]; + if( p1==p0 ) continue; + if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){ + return 1; + } + if( p1->pSelect + && (p1->pSelect->selFlags & SF_NestedFrom)!=0 + && sameSrcAlias(p0, p1->pSelect->pSrc) + ){ + return 1; + } + } + return 0; +} + +/* +** Return TRUE (non-zero) if the i-th entry in the pTabList SrcList can +** be implemented as a co-routine. The i-th entry is guaranteed to be +** a subquery. +** +** The subquery is implemented as a co-routine if all of the following are +** true: +** +** (1) The subquery will likely be implemented in the outer loop of +** the query. This will be the case if any one of the following +** conditions hold: +** (a) The subquery is the only term in the FROM clause +** (b) The subquery is the left-most term and a CROSS JOIN or similar +** requires it to be the outer loop +** (c) All of the following are true: +** (i) The subquery is the left-most subquery in the FROM clause +** (ii) There is nothing that would prevent the subquery from +** being used as the outer loop if the sqlite3WhereBegin() +** routine nominates it to that position. +** (iii) The query is not a UPDATE ... FROM +** (2) The subquery is not a CTE that should be materialized because +** (a) the AS MATERIALIZED keyword is used, or +** (b) the CTE is used multiple times and does not have the +** NOT MATERIALIZED keyword +** (3) The subquery is not part of a left operand for a RIGHT JOIN +** (4) The SQLITE_Coroutine optimization disable flag is not set +** (5) The subquery is not self-joined +*/ +static int fromClauseTermCanBeCoroutine( + Parse *pParse, /* Parsing context */ + SrcList *pTabList, /* FROM clause */ + int i, /* Which term of the FROM clause holds the subquery */ + int selFlags /* Flags on the SELECT statement */ +){ + SrcItem *pItem = &pTabList->a[i]; + if( pItem->fg.isCte ){ + const CteUse *pCteUse = pItem->u2.pCteUse; + if( pCteUse->eM10d==M10d_Yes ) return 0; /* (2a) */ + if( pCteUse->nUse>=2 && pCteUse->eM10d!=M10d_No ) return 0; /* (2b) */ + } + if( pTabList->a[0].fg.jointype & JT_LTORJ ) return 0; /* (3) */ + if( OptimizationDisabled(pParse->db, SQLITE_Coroutines) ) return 0; /* (4) */ + if( isSelfJoinView(pTabList, pItem, i+1, pTabList->nSrc)!=0 ){ + return 0; /* (5) */ + } + if( i==0 ){ + if( pTabList->nSrc==1 ) return 1; /* (1a) */ + if( pTabList->a[1].fg.jointype & JT_CROSS ) return 1; /* (1b) */ + if( selFlags & SF_UpdateFrom ) return 0; /* (1c-iii) */ + return 1; + } + if( selFlags & SF_UpdateFrom ) return 0; /* (1c-iii) */ + while( 1 /*exit-by-break*/ ){ + if( pItem->fg.jointype & (JT_OUTER|JT_CROSS) ) return 0; /* (1c-ii) */ + if( i==0 ) break; + i--; + pItem--; + if( pItem->pSelect!=0 ) return 0; /* (1c-i) */ + } + return 1; +} /* ** Generate code for the SELECT statement given in the p argument. @@ -135091,15 +147510,21 @@ SQLITE_PRIVATE int sqlite3Select( u8 minMaxFlag; /* Flag for min/max queries */ db = pParse->db; + assert( pParse==db->pParse ); v = sqlite3GetVdbe(pParse); - if( p==0 || db->mallocFailed || pParse->nErr ){ + if( p==0 || pParse->nErr ){ return 1; } + assert( db->mallocFailed==0 ); if( sqlite3AuthCheck(pParse, SQLITE_SELECT, 0, 0, 0) ) return 1; -#if SELECTTRACE_ENABLED - SELECTTRACE(1,pParse,p, ("begin processing:\n", pParse->addrExplain)); - if( sqlite3_unsupported_selecttrace & 0x100 ){ - sqlite3TreeViewSelect(0, p, 0); +#if TREETRACE_ENABLED + TREETRACE(0x1,pParse,p, ("begin processing:\n", pParse->addrExplain)); + if( sqlite3TreeTrace & 0x10000 ){ + if( (sqlite3TreeTrace & 0x10001)==0x10000 ){ + sqlite3TreeViewLine(0, "In sqlite3Select() at %s:%d", + __FILE__, __LINE__); + } + sqlite3ShowSelect(p); } #endif @@ -135107,61 +147532,78 @@ SQLITE_PRIVATE int sqlite3Select( assert( p->pOrderBy==0 || pDest->eDest!=SRT_Fifo ); assert( p->pOrderBy==0 || pDest->eDest!=SRT_DistQueue ); assert( p->pOrderBy==0 || pDest->eDest!=SRT_Queue ); - if( IgnorableOrderby(pDest) ){ - assert(pDest->eDest==SRT_Exists || pDest->eDest==SRT_Union || - pDest->eDest==SRT_Except || pDest->eDest==SRT_Discard || - pDest->eDest==SRT_Queue || pDest->eDest==SRT_DistFifo || - pDest->eDest==SRT_DistQueue || pDest->eDest==SRT_Fifo); - /* If ORDER BY makes no difference in the output then neither does - ** DISTINCT so it can be removed too. */ - sqlite3ExprListDelete(db, p->pOrderBy); - p->pOrderBy = 0; + if( IgnorableDistinct(pDest) ){ + assert(pDest->eDest==SRT_Exists || pDest->eDest==SRT_Union || + pDest->eDest==SRT_Except || pDest->eDest==SRT_Discard || + pDest->eDest==SRT_DistQueue || pDest->eDest==SRT_DistFifo ); + /* All of these destinations are also able to ignore the ORDER BY clause */ + if( p->pOrderBy ){ +#if TREETRACE_ENABLED + TREETRACE(0x800,pParse,p, ("dropping superfluous ORDER BY:\n")); + if( sqlite3TreeTrace & 0x800 ){ + sqlite3TreeViewExprList(0, p->pOrderBy, 0, "ORDERBY"); + } +#endif + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3ExprListDelete, + p->pOrderBy); + testcase( pParse->earlyCleanup ); + p->pOrderBy = 0; + } p->selFlags &= ~SF_Distinct; p->selFlags |= SF_NoopOrderBy; } sqlite3SelectPrep(pParse, p, 0); - if( pParse->nErr || db->mallocFailed ){ + if( pParse->nErr ){ goto select_end; } + assert( db->mallocFailed==0 ); assert( p->pEList!=0 ); -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x104 ){ - SELECTTRACE(0x104,pParse,p, ("after name resolution:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x10 ){ + TREETRACE(0x10,pParse,p, ("after name resolution:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif - /* If the SF_UpdateFrom flag is set, then this function is being called + /* If the SF_UFSrcCheck flag is set, then this function is being called ** as part of populating the temp table for an UPDATE...FROM statement. ** In this case, it is an error if the target object (pSrc->a[0]) name - ** or alias is duplicated within FROM clause (pSrc->a[1..n]). */ - if( p->selFlags & SF_UpdateFrom ){ - struct SrcList_item *p0 = &p->pSrc->a[0]; - for(i=1; ipSrc->nSrc; i++){ - struct SrcList_item *p1 = &p->pSrc->a[i]; - if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){ - sqlite3ErrorMsg(pParse, - "target object/alias may not appear in FROM clause: %s", - p0->zAlias ? p0->zAlias : p0->pTab->zName - ); - goto select_end; - } + ** or alias is duplicated within FROM clause (pSrc->a[1..n]). + ** + ** Postgres disallows this case too. The reason is that some other + ** systems handle this case differently, and not all the same way, + ** which is just confusing. To avoid this, we follow PG's lead and + ** disallow it altogether. */ + if( p->selFlags & SF_UFSrcCheck ){ + SrcItem *p0 = &p->pSrc->a[0]; + if( sameSrcAlias(p0, p->pSrc) ){ + sqlite3ErrorMsg(pParse, + "target object/alias may not appear in FROM clause: %s", + p0->zAlias ? p0->zAlias : p0->pTab->zName + ); + goto select_end; } + + /* Clear the SF_UFSrcCheck flag. The check has already been performed, + ** and leaving this flag set can cause errors if a compound sub-query + ** in p->pSrc is flattened into this query and this function called + ** again as part of compound SELECT processing. */ + p->selFlags &= ~SF_UFSrcCheck; } if( pDest->eDest==SRT_Output ){ - generateColumnNames(pParse, p); + sqlite3GenerateColumnNames(pParse, p); } #ifndef SQLITE_OMIT_WINDOWFUNC - rc = sqlite3WindowRewrite(pParse, p); - if( rc ){ - assert( db->mallocFailed || pParse->nErr>0 ); + if( sqlite3WindowRewrite(pParse, p) ){ + assert( pParse->nErr ); goto select_end; } -#if SELECTTRACE_ENABLED - if( p->pWin && (sqlite3_unsupported_selecttrace & 0x108)!=0 ){ - SELECTTRACE(0x104,pParse,p, ("after window rewrite:\n")); +#if TREETRACE_ENABLED + if( p->pWin && (sqlite3TreeTrace & 0x40)!=0 ){ + TREETRACE(0x40,pParse,p, ("after window rewrite:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -135176,7 +147618,7 @@ SQLITE_PRIVATE int sqlite3Select( */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) for(i=0; !p->pPrior && inSrc; i++){ - struct SrcList_item *pItem = &pTabList->a[i]; + SrcItem *pItem = &pTabList->a[i]; Select *pSub = pItem->pSelect; Table *pTab = pItem->pTab; @@ -135185,20 +147627,59 @@ SQLITE_PRIVATE int sqlite3Select( ** to a real table */ assert( pTab!=0 ); - /* Convert LEFT JOIN into JOIN if there are terms of the right table - ** of the LEFT JOIN used in the WHERE clause. + /* Try to simplify joins: + ** + ** LEFT JOIN -> JOIN + ** RIGHT JOIN -> JOIN + ** FULL JOIN -> RIGHT JOIN + ** + ** If terms of the i-th table are used in the WHERE clause in such a + ** way that the i-th table cannot be the NULL row of a join, then + ** perform the appropriate simplification. This is called + ** "OUTER JOIN strength reduction" in the SQLite documentation. */ - if( (pItem->fg.jointype & JT_LEFT)!=0 - && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor) + if( (pItem->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 + && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor, + pItem->fg.jointype & JT_LTORJ) && OptimizationEnabled(db, SQLITE_SimplifyJoin) ){ - SELECTTRACE(0x100,pParse,p, - ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); - pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); - unsetJoinExpr(p->pWhere, pItem->iCursor); + if( pItem->fg.jointype & JT_LEFT ){ + if( pItem->fg.jointype & JT_RIGHT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to RIGHT-JOIN on term %d\n",i)); + pItem->fg.jointype &= ~JT_LEFT; + }else{ + TREETRACE(0x1000,pParse,p, + ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); + pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); + } + } + if( pItem->fg.jointype & JT_LTORJ ){ + for(j=i+1; jnSrc; j++){ + SrcItem *pI2 = &pTabList->a[j]; + if( pI2->fg.jointype & JT_RIGHT ){ + if( pI2->fg.jointype & JT_LEFT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to LEFT-JOIN on term %d\n",j)); + pI2->fg.jointype &= ~JT_RIGHT; + }else{ + TREETRACE(0x1000,pParse,p, + ("RIGHT-JOIN simplifies to JOIN on term %d\n",j)); + pI2->fg.jointype &= ~(JT_RIGHT|JT_OUTER); + } + } + } + for(j=pTabList->nSrc-1; j>=i; j--){ + pTabList->a[j].fg.jointype &= ~JT_LTORJ; + if( pTabList->a[j].fg.jointype & JT_RIGHT ) break; + } + } + assert( pItem->iCursor>=0 ); + unsetJoinExpr(p->pWhere, pItem->iCursor, + pTabList->a[0].fg.jointype & JT_LTORJ); } - /* No futher action if this term of the FROM clause is no a subquery */ + /* No further action if this term of the FROM clause is not a subquery */ if( pSub==0 ) continue; /* Catch mismatch in the declared columns of a view and the number of @@ -135209,6 +147690,14 @@ SQLITE_PRIVATE int sqlite3Select( goto select_end; } + /* Do not attempt the usual optimizations (flattening and ORDER BY + ** elimination) on a MATERIALIZED common table expression because + ** a MATERIALIZED common table expression is an optimization fence. + */ + if( pItem->fg.isCte && pItem->u2.pCteUse->eM10d==M10d_Yes ){ + continue; + } + /* Do not try to flatten an aggregate subquery. ** ** Flattening an aggregate subquery is only possible if the outer query @@ -135219,6 +147708,43 @@ SQLITE_PRIVATE int sqlite3Select( if( (pSub->selFlags & SF_Aggregate)!=0 ) continue; assert( pSub->pGroupBy==0 ); + /* If a FROM-clause subquery has an ORDER BY clause that is not + ** really doing anything, then delete it now so that it does not + ** interfere with query flattening. See the discussion at + ** https://sqlite.org/forum/forumpost/2d76f2bcf65d256a + ** + ** Beware of these cases where the ORDER BY clause may not be safely + ** omitted: + ** + ** (1) There is also a LIMIT clause + ** (2) The subquery was added to help with window-function + ** processing + ** (3) The subquery is in the FROM clause of an UPDATE + ** (4) The outer query uses an aggregate function other than + ** the built-in count(), min(), or max(). + ** (5) The ORDER BY isn't going to accomplish anything because + ** one of: + ** (a) The outer query has a different ORDER BY clause + ** (b) The subquery is part of a join + ** See forum post 062d576715d277c8 + ** + ** Also retain the ORDER BY if the OmitOrderBy optimization is disabled. + */ + if( pSub->pOrderBy!=0 + && (p->pOrderBy!=0 || pTabList->nSrc>1) /* Condition (5) */ + && pSub->pLimit==0 /* Condition (1) */ + && (pSub->selFlags & SF_OrderByReqd)==0 /* Condition (2) */ + && (p->selFlags & SF_OrderByReqd)==0 /* Condition (3) and (4) */ + && OptimizationEnabled(db, SQLITE_OmitOrderBy) + ){ + TREETRACE(0x800,pParse,p, + ("omit superfluous ORDER BY on %r FROM-clause subquery\n",i+1)); + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))sqlite3ExprListDelete, + pSub->pOrderBy); + pSub->pOrderBy = 0; + } + /* If the outer query contains a "complex" result set (that is, ** if the result set of the outer query uses functions or subqueries) ** and if the subquery contains an ORDER BY clause and if @@ -135241,7 +147767,7 @@ SQLITE_PRIVATE int sqlite3Select( && i==0 && (p->selFlags & SF_ComplexResult)!=0 && (pTabList->nSrc==1 - || (pTabList->a[1].fg.jointype&(JT_LEFT|JT_CROSS))!=0) + || (pTabList->a[1].fg.jointype&(JT_OUTER|JT_CROSS))!=0) ){ continue; } @@ -135265,9 +147791,9 @@ SQLITE_PRIVATE int sqlite3Select( */ if( p->pPrior ){ rc = multiSelect(pParse, p, pDest); -#if SELECTTRACE_ENABLED - SELECTTRACE(0x1,pParse,p,("end compound-select processing\n")); - if( (sqlite3_unsupported_selecttrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ +#if TREETRACE_ENABLED + TREETRACE(0x400,pParse,p,("end compound-select processing\n")); + if( (sqlite3TreeTrace & 0x400)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -135281,36 +147807,35 @@ SQLITE_PRIVATE int sqlite3Select( ** as the equivalent optimization will be handled by query planner in ** sqlite3WhereBegin(). */ - if( pTabList->nSrc>1 + if( p->pWhere!=0 + && p->pWhere->op==TK_AND && OptimizationEnabled(db, SQLITE_PropagateConst) && propagateConstants(pParse, p) ){ -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p,("After constant propagation:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x2000 ){ + TREETRACE(0x2000,pParse,p,("After constant propagation:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif }else{ - SELECTTRACE(0x100,pParse,p,("Constant propagation not helpful\n")); + TREETRACE(0x2000,pParse,p,("Constant propagation not helpful\n")); } -#ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION if( OptimizationEnabled(db, SQLITE_QueryFlattener|SQLITE_CountOfView) && countOfViewOptimization(pParse, p) ){ if( db->mallocFailed ) goto select_end; - pEList = p->pEList; pTabList = p->pSrc; } -#endif /* For each term in the FROM clause, do two things: ** (1) Authorized unreferenced tables ** (2) Generate code for all sub-queries */ for(i=0; inSrc; i++){ - struct SrcList_item *pItem = &pTabList->a[i]; + SrcItem *pItem = &pTabList->a[i]; + SrcItem *pPrior; SelectDest dest; Select *pSub; #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) @@ -135343,19 +147868,8 @@ SQLITE_PRIVATE int sqlite3Select( pSub = pItem->pSelect; if( pSub==0 ) continue; - /* The code for a subquery should only be generated once, though it is - ** technically harmless for it to be generated multiple times. The - ** following assert() will detect if something changes to cause - ** the same subquery to be coded multiple times, as a signal to the - ** developers to try to optimize the situation. - ** - ** Update 2019-07-24: - ** See ticket https://sqlite.org/src/tktview/c52b09c7f38903b1311cec40. - ** The dbsqlfuzz fuzzer found a case where the same subquery gets - ** coded twice. So this assert() now becomes a testcase(). It should - ** be very rare, though. - */ - testcase( pItem->addrFillSub!=0 ); + /* The code for a subquery should only be generated once. */ + assert( pItem->addrFillSub==0 ); /* Increment Parse.nHeight by the height of the largest expression ** tree referred to by this, the parent select. The child select @@ -135370,36 +147884,44 @@ SQLITE_PRIVATE int sqlite3Select( ** inside the subquery. This can help the subquery to run more efficiently. */ if( OptimizationEnabled(db, SQLITE_PushDown) - && pushDownWhereTerms(pParse, pSub, p->pWhere, pItem->iCursor, - (pItem->fg.jointype & JT_OUTER)!=0) + && (pItem->fg.isCte==0 + || (pItem->u2.pCteUse->eM10d!=M10d_Yes && pItem->u2.pCteUse->nUse<2)) + && pushDownWhereTerms(pParse, pSub, p->pWhere, pTabList, i) ){ -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p, +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x4000 ){ + TREETRACE(0x4000,pParse,p, ("After WHERE-clause push-down into subquery %d:\n", pSub->selId)); sqlite3TreeViewSelect(0, p, 0); } #endif + assert( pItem->pSelect && (pItem->pSelect->selFlags & SF_PushDown)!=0 ); }else{ - SELECTTRACE(0x100,pParse,p,("Push-down not possible\n")); + TREETRACE(0x4000,pParse,p,("Push-down not possible\n")); + } + + /* Convert unused result columns of the subquery into simple NULL + ** expressions, to avoid unneeded searching and computation. + */ + if( OptimizationEnabled(db, SQLITE_NullUnusedCols) + && disableUnusedSubqueryResultColumns(pItem) + ){ +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x4000 ){ + TREETRACE(0x4000,pParse,p, + ("Change unused result columns to NULL for subquery %d:\n", + pSub->selId)); + sqlite3TreeViewSelect(0, p, 0); + } +#endif } zSavedAuthContext = pParse->zAuthContext; pParse->zAuthContext = pItem->zName; /* Generate code to implement the subquery - ** - ** The subquery is implemented as a co-routine if the subquery is - ** guaranteed to be the outer loop (so that it does not need to be - ** computed more than once) - ** - ** TODO: Are there other reasons beside (1) to use a co-routine - ** implementation? */ - if( i==0 - && (pTabList->nSrc==1 - || (pTabList->a[1].fg.jointype&(JT_LEFT|JT_CROSS))!=0) /* (1) */ - ){ + if( fromClauseTermCanBeCoroutine(pParse, pTabList, i, p->selFlags) ){ /* Implement a co-routine that will return a single row of the result ** set on each invocation. */ @@ -135407,10 +147929,10 @@ SQLITE_PRIVATE int sqlite3Select( pItem->regReturn = ++pParse->nMem; sqlite3VdbeAddOp3(v, OP_InitCoroutine, pItem->regReturn, 0, addrTop); - VdbeComment((v, "%s", pItem->pTab->zName)); + VdbeComment((v, "%!S", pItem)); pItem->addrFillSub = addrTop; sqlite3SelectDestInit(&dest, SRT_Coroutine, pItem->regReturn); - ExplainQueryPlan((pParse, 1, "CO-ROUTINE %u", pSub->selId)); + ExplainQueryPlan((pParse, 1, "CO-ROUTINE %!S", pItem)); sqlite3Select(pParse, pSub, &dest); pItem->pTab->nRowLogEst = pSub->nSelectRow; pItem->fg.viaCoroutine = 1; @@ -135418,46 +147940,67 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3VdbeEndCoroutine(v, pItem->regReturn); sqlite3VdbeJumpHere(v, addrTop-1); sqlite3ClearTempRegCache(pParse); - }else{ - /* Generate a subroutine that will fill an ephemeral table with - ** the content of this subquery. pItem->addrFillSub will point - ** to the address of the generated subroutine. pItem->regReturn - ** is a register allocated to hold the subroutine return address - */ + }else if( pItem->fg.isCte && pItem->u2.pCteUse->addrM9e>0 ){ + /* This is a CTE for which materialization code has already been + ** generated. Invoke the subroutine to compute the materialization, + ** the make the pItem->iCursor be a copy of the ephemeral table that + ** holds the result of the materialization. */ + CteUse *pCteUse = pItem->u2.pCteUse; + sqlite3VdbeAddOp2(v, OP_Gosub, pCteUse->regRtn, pCteUse->addrM9e); + if( pItem->iCursor!=pCteUse->iCur ){ + sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pCteUse->iCur); + VdbeComment((v, "%!S", pItem)); + } + pSub->nSelectRow = pCteUse->nRowEst; + }else if( (pPrior = isSelfJoinView(pTabList, pItem, 0, i))!=0 ){ + /* This view has already been materialized by a prior entry in + ** this same FROM clause. Reuse it. */ + if( pPrior->addrFillSub ){ + sqlite3VdbeAddOp2(v, OP_Gosub, pPrior->regReturn, pPrior->addrFillSub); + } + sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pPrior->iCursor); + pSub->nSelectRow = pPrior->pSelect->nSelectRow; + }else{ + /* Materialize the view. If the view is not correlated, generate a + ** subroutine to do the materialization so that subsequent uses of + ** the same view can reuse the materialization. */ int topAddr; int onceAddr = 0; - int retAddr; - struct SrcList_item *pPrior; +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; +#endif - testcase( pItem->addrFillSub==0 ); /* Ticket c52b09c7f38903b1311 */ pItem->regReturn = ++pParse->nMem; - topAddr = sqlite3VdbeAddOp2(v, OP_Integer, 0, pItem->regReturn); + topAddr = sqlite3VdbeAddOp0(v, OP_Goto); pItem->addrFillSub = topAddr+1; + pItem->fg.isMaterialized = 1; if( pItem->fg.isCorrelated==0 ){ /* If the subquery is not correlated and if we are not inside of ** a trigger, then we only need to compute the value of the subquery ** once. */ onceAddr = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); - VdbeComment((v, "materialize \"%s\"", pItem->pTab->zName)); - }else{ - VdbeNoopComment((v, "materialize \"%s\"", pItem->pTab->zName)); - } - pPrior = isSelfJoinView(pTabList, pItem); - if( pPrior ){ - sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pPrior->iCursor); - assert( pPrior->pSelect!=0 ); - pSub->nSelectRow = pPrior->pSelect->nSelectRow; + VdbeComment((v, "materialize %!S", pItem)); }else{ - sqlite3SelectDestInit(&dest, SRT_EphemTab, pItem->iCursor); - ExplainQueryPlan((pParse, 1, "MATERIALIZE %u", pSub->selId)); - sqlite3Select(pParse, pSub, &dest); + VdbeNoopComment((v, "materialize %!S", pItem)); } + sqlite3SelectDestInit(&dest, SRT_EphemTab, pItem->iCursor); + + ExplainQueryPlan2(addrExplain, (pParse, 1, "MATERIALIZE %!S", pItem)); + sqlite3Select(pParse, pSub, &dest); pItem->pTab->nRowLogEst = pSub->nSelectRow; if( onceAddr ) sqlite3VdbeJumpHere(v, onceAddr); - retAddr = sqlite3VdbeAddOp1(v, OP_Return, pItem->regReturn); - VdbeComment((v, "end %s", pItem->pTab->zName)); - sqlite3VdbeChangeP1(v, topAddr, retAddr); + sqlite3VdbeAddOp2(v, OP_Return, pItem->regReturn, topAddr+1); + VdbeComment((v, "end %!S", pItem)); + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); + sqlite3VdbeJumpHere(v, topAddr); sqlite3ClearTempRegCache(pParse); + if( pItem->fg.isCte && pItem->fg.isCorrelated==0 ){ + CteUse *pCteUse = pItem->u2.pCteUse; + pCteUse->addrM9e = pItem->addrFillSub; + pCteUse->regRtn = pItem->regReturn; + pCteUse->iCur = pItem->iCursor; + pCteUse->nRowEst = pSub->nSelectRow; + } } if( db->mallocFailed ) goto select_end; pParse->nHeight -= sqlite3SelectExprHeight(p); @@ -135473,9 +148016,9 @@ SQLITE_PRIVATE int sqlite3Select( pHaving = p->pHaving; sDistinct.isTnct = (p->selFlags & SF_Distinct)!=0; -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("After all FROM-clause analysis:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x8000 ){ + TREETRACE(0x8000,pParse,p,("After all FROM-clause analysis:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -135508,10 +148051,11 @@ SQLITE_PRIVATE int sqlite3Select( ** the sDistinct.isTnct is still set. Hence, isTnct represents the ** original setting of the SF_Distinct flag, not the current setting */ assert( sDistinct.isTnct ); + sDistinct.isTnct = 2; -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("Transform DISTINCT into GROUP BY:\n")); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20000 ){ + TREETRACE(0x20000,pParse,p,("Transform DISTINCT into GROUP BY:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -135543,6 +148087,18 @@ SQLITE_PRIVATE int sqlite3Select( */ if( pDest->eDest==SRT_EphemTab ){ sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pDest->iSDParm, pEList->nExpr); + if( p->selFlags & SF_NestedFrom ){ + /* Delete or NULL-out result columns that will never be used */ + int ii; + for(ii=pEList->nExpr-1; ii>0 && pEList->a[ii].fg.bUsed==0; ii--){ + sqlite3ExprDelete(db, pEList->a[ii].pExpr); + sqlite3DbFree(db, pEList->a[ii].zEName); + pEList->nExpr--; + } + for(ii=0; iinExpr; ii++){ + if( pEList->a[ii].fg.bUsed==0 ) pEList->a[ii].pExpr->op = TK_NULL; + } + } } /* Set the limiter. @@ -135551,7 +148107,7 @@ SQLITE_PRIVATE int sqlite3Select( if( (p->selFlags & SF_FixedLimit)==0 ){ p->nSelectRow = 320; /* 4 billion rows */ } - computeLimitRegisters(pParse, p, iEnd); + if( p->pLimit ) computeLimitRegisters(pParse, p, iEnd); if( p->iLimit==0 && sSort.addrSortIndex>=0 ){ sqlite3VdbeChangeOpcode(v, sSort.addrSortIndex, OP_SorterOpen); sSort.sortFlags |= SORTFLAG_UseSorter; @@ -135585,9 +148141,9 @@ SQLITE_PRIVATE int sqlite3Select( /* Begin the database scan. */ - SELECTTRACE(1,pParse,p,("WhereBegin\n")); + TREETRACE(0x2,pParse,p,("WhereBegin\n")); pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, sSort.pOrderBy, - p->pEList, wctrlFlags, p->nSelectRow); + p->pEList, p, wctrlFlags, p->nSelectRow); if( pWInfo==0 ) goto select_end; if( sqlite3WhereOutputRowCount(pWInfo) < p->nSelectRow ){ p->nSelectRow = sqlite3WhereOutputRowCount(pWInfo); @@ -135602,6 +148158,7 @@ SQLITE_PRIVATE int sqlite3Select( sSort.pOrderBy = 0; } } + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); /* If sorting index that was created by a prior OP_OpenEphemeral ** instruction ended up not being needed, then change the OP_OpenEphemeral @@ -135640,6 +148197,7 @@ SQLITE_PRIVATE int sqlite3Select( /* End the database scan loop. */ + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); } }else{ @@ -135690,8 +148248,9 @@ SQLITE_PRIVATE int sqlite3Select( ** ORDER BY to maximize the chances of rows being delivered in an ** order that makes the ORDER BY redundant. */ for(ii=0; iinExpr; ii++){ - u8 sortFlags = sSort.pOrderBy->a[ii].sortFlags & KEYINFO_ORDER_DESC; - pGroupBy->a[ii].sortFlags = sortFlags; + u8 sortFlags; + sortFlags = sSort.pOrderBy->a[ii].fg.sortFlags & KEYINFO_ORDER_DESC; + pGroupBy->a[ii].fg.sortFlags = sortFlags; } if( sqlite3ExprListCompare(pGroupBy, sSort.pOrderBy, -1)==0 ){ orderByGrp = 1; @@ -135710,18 +148269,23 @@ SQLITE_PRIVATE int sqlite3Select( ** SELECT statement. */ pAggInfo = sqlite3DbMallocZero(db, sizeof(*pAggInfo) ); - if( pAggInfo==0 ){ + if( pAggInfo ){ + sqlite3ParserAddCleanup(pParse, + (void(*)(sqlite3*,void*))agginfoFree, pAggInfo); + testcase( pParse->earlyCleanup ); + } + if( db->mallocFailed ){ goto select_end; } - pAggInfo->pNext = pParse->pAggList; - pParse->pAggList = pAggInfo; pAggInfo->selId = p->selId; +#ifdef SQLITE_DEBUG + pAggInfo->pSelect = p; +#endif memset(&sNC, 0, sizeof(sNC)); sNC.pParse = pParse; sNC.pSrcList = pTabList; sNC.uNC.pAggInfo = pAggInfo; VVA_ONLY( sNC.ncFlags = NC_UAggInfo; ) - pAggInfo->mnReg = pParse->nMem+1; pAggInfo->nSortingColumn = pGroupBy ? pGroupBy->nExpr : 0; pAggInfo->pGroupBy = pGroupBy; sqlite3ExprAnalyzeAggList(&sNC, pEList); @@ -135742,36 +148306,17 @@ SQLITE_PRIVATE int sqlite3Select( }else{ minMaxFlag = WHERE_ORDERBY_NORMAL; } - for(i=0; inFunc; i++){ - Expr *pExpr = pAggInfo->aFunc[i].pFExpr; - assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); - sNC.ncFlags |= NC_InAggFunc; - sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList); -#ifndef SQLITE_OMIT_WINDOWFUNC - assert( !IsWindowFunc(pExpr) ); - if( ExprHasProperty(pExpr, EP_WinFunc) ){ - sqlite3ExprAnalyzeAggregates(&sNC, pExpr->y.pWin->pFilter); - } -#endif - sNC.ncFlags &= ~NC_InAggFunc; - } - pAggInfo->mxReg = pParse->nMem; + analyzeAggFuncArgs(pAggInfo, &sNC); if( db->mallocFailed ) goto select_end; -#if SELECTTRACE_ENABLED - if( sqlite3_unsupported_selecttrace & 0x400 ){ - int ii; - SELECTTRACE(0x400,pParse,p,("After aggregate analysis %p:\n", pAggInfo)); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20 ){ + TREETRACE(0x20,pParse,p,("After aggregate analysis %p:\n", pAggInfo)); sqlite3TreeViewSelect(0, p, 0); - for(ii=0; iinColumn; ii++){ - sqlite3DebugPrintf("agg-column[%d] iMem=%d\n", - ii, pAggInfo->aCol[ii].iMem); - sqlite3TreeViewExpr(0, pAggInfo->aCol[ii].pCExpr, 0); - } - for(ii=0; iinFunc; ii++){ - sqlite3DebugPrintf("agg-func[%d]: iMem=%d\n", - ii, pAggInfo->aFunc[ii].iMem); - sqlite3TreeViewExpr(0, pAggInfo->aFunc[ii].pFExpr, 0); + if( minMaxFlag ){ + sqlite3DebugPrintf("MIN/MAX Optimization (0x%02x) adds:\n", minMaxFlag); + sqlite3TreeViewExprList(0, pMinMaxOrderBy, 0, "ORDERBY"); } + printAggInfo(pAggInfo); } #endif @@ -135781,7 +148326,7 @@ SQLITE_PRIVATE int sqlite3Select( */ if( pGroupBy ){ KeyInfo *pKeyInfo; /* Keying information for the group by clause */ - int addr1; /* A-vs-B comparision jump */ + int addr1; /* A-vs-B comparison jump */ int addrOutputRow; /* Start of subroutine that outputs a result row */ int regOutputRow; /* Return address register for output subroutine */ int addrSetAbort; /* Set the abort flag and return */ @@ -135789,6 +148334,22 @@ SQLITE_PRIVATE int sqlite3Select( int addrSortingIdx; /* The OP_OpenEphemeral for the sorting index */ int addrReset; /* Subroutine for resetting the accumulator */ int regReset; /* Return address register for reset subroutine */ + ExprList *pDistinct = 0; + u16 distFlag = 0; + int eDist = WHERE_DISTINCT_NOOP; + + if( pAggInfo->nFunc==1 + && pAggInfo->aFunc[0].iDistinct>=0 + && ALWAYS(pAggInfo->aFunc[0].pFExpr!=0) + && ALWAYS(ExprUseXList(pAggInfo->aFunc[0].pFExpr)) + && pAggInfo->aFunc[0].pFExpr->x.pList!=0 + ){ + Expr *pExpr = pAggInfo->aFunc[0].pFExpr->x.pList->a[0].pExpr; + pExpr = sqlite3ExprDup(db, pExpr, 0); + pDistinct = sqlite3ExprListDup(db, pGroupBy, 0); + pDistinct = sqlite3ExprListAppend(pParse, pDistinct, pExpr); + distFlag = pDistinct ? (WHERE_WANT_DISTINCT|WHERE_AGG_DISTINCT) : 0; + } /* If there is a GROUP BY clause we might need a sorting index to ** implement it. Allocate that sorting index now. If it turns out @@ -135824,11 +148385,21 @@ SQLITE_PRIVATE int sqlite3Select( ** in the right order to begin with. */ sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset); - SELECTTRACE(1,pParse,p,("WhereBegin\n")); - pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pGroupBy, 0, - WHERE_GROUPBY | (orderByGrp ? WHERE_SORTBYGROUP : 0), 0 + TREETRACE(0x2,pParse,p,("WhereBegin\n")); + pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pGroupBy, pDistinct, + p, (sDistinct.isTnct==2 ? WHERE_DISTINCTBY : WHERE_GROUPBY) + | (orderByGrp ? WHERE_SORTBYGROUP : 0) | distFlag, 0 ); - if( pWInfo==0 ) goto select_end; + if( pWInfo==0 ){ + sqlite3ExprListDelete(db, pDistinct); + goto select_end; + } + if( pParse->pIdxEpr ){ + optimizeAggregateUseOfIndexedExpr(pParse, p, pAggInfo, &sNC); + } + assignAggregateRegisters(pParse, pAggInfo); + eDist = sqlite3WhereIsDistinct(pWInfo); + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); if( sqlite3WhereIsOrdered(pWInfo)==pGroupBy->nExpr ){ /* The optimizer is able to deliver rows in group by order so ** we do not have to sort. The OP_OpenEphemeral table will be @@ -135846,9 +148417,13 @@ SQLITE_PRIVATE int sqlite3Select( int nCol; int nGroupBy; - explainTempTable(pParse, +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExp; /* Address of OP_Explain instruction */ +#endif + ExplainQueryPlan2(addrExp, (pParse, 0, "USE TEMP B-TREE FOR %s", (sDistinct.isTnct && (p->selFlags&SF_Distinct)==0) ? - "DISTINCT" : "GROUP BY"); + "DISTINCT" : "GROUP BY" + )); groupBySort = 1; nGroupBy = pGroupBy->nExpr; @@ -135863,27 +148438,50 @@ SQLITE_PRIVATE int sqlite3Select( regBase = sqlite3GetTempRange(pParse, nCol); sqlite3ExprCodeExprList(pParse, pGroupBy, regBase, 0, 0); j = nGroupBy; + pAggInfo->directMode = 1; for(i=0; inColumn; i++){ struct AggInfo_col *pCol = &pAggInfo->aCol[i]; if( pCol->iSorterColumn>=j ){ - int r1 = j + regBase; - sqlite3ExprCodeGetColumnOfTable(v, - pCol->pTab, pCol->iTable, pCol->iColumn, r1); + sqlite3ExprCode(pParse, pCol->pCExpr, j + regBase); j++; } } + pAggInfo->directMode = 0; regRecord = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, 0, sqlite3VdbeCurrentAddr(v)); sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord); sqlite3VdbeAddOp2(v, OP_SorterInsert, pAggInfo->sortingIdx, regRecord); + sqlite3VdbeScanStatusRange(v, addrExp, sqlite3VdbeCurrentAddr(v)-2, -1); sqlite3ReleaseTempReg(pParse, regRecord); sqlite3ReleaseTempRange(pParse, regBase, nCol); + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); pAggInfo->sortingIdxPTab = sortPTab = pParse->nTab++; sortOut = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, sqlite3VdbeCurrentAddr(v), 0); sqlite3VdbeAddOp3(v, OP_OpenPseudo, sortPTab, sortOut, nCol); sqlite3VdbeAddOp2(v, OP_SorterSort, pAggInfo->sortingIdx, addrEnd); VdbeComment((v, "GROUP BY sort")); VdbeCoverage(v); pAggInfo->useSortingIdx = 1; + sqlite3VdbeScanStatusRange(v, addrExp, -1, sortPTab); + sqlite3VdbeScanStatusRange(v, addrExp, -1, pAggInfo->sortingIdx); + } + + /* If there are entries in pAgggInfo->aFunc[] that contain subexpressions + ** that are indexed (and that were previously identified and tagged + ** in optimizeAggregateUseOfIndexedExpr()) then those subexpressions + ** must now be converted into a TK_AGG_COLUMN node so that the value + ** is correctly pulled from the index rather than being recomputed. */ + if( pParse->pIdxEpr ){ + aggregateConvertIndexedExprRefToColumn(pAggInfo); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20 ){ + TREETRACE(0x20, pParse, p, + ("AggInfo function expressions converted to reference index\n")); + sqlite3TreeViewSelect(0, p, 0); + printAggInfo(pAggInfo); + } +#endif } /* If the index or temporary table used by the GROUP BY sort @@ -135944,19 +148542,21 @@ SQLITE_PRIVATE int sqlite3Select( ** the current row */ sqlite3VdbeJumpHere(v, addr1); - updateAccumulator(pParse, iUseFlag, pAggInfo); + updateAccumulator(pParse, iUseFlag, pAggInfo, eDist); sqlite3VdbeAddOp2(v, OP_Integer, 1, iUseFlag); VdbeComment((v, "indicate data in accumulator")); /* End of the loop */ if( groupBySort ){ - sqlite3VdbeAddOp2(v, OP_SorterNext, pAggInfo->sortingIdx, addrTopOfLoop); + sqlite3VdbeAddOp2(v, OP_SorterNext, pAggInfo->sortingIdx,addrTopOfLoop); VdbeCoverage(v); }else{ + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); sqlite3VdbeChangeToNoop(v, addrSortingIdx); } + sqlite3ExprListDelete(db, pDistinct); /* Output the final row of result */ @@ -136000,6 +148600,10 @@ SQLITE_PRIVATE int sqlite3Select( VdbeComment((v, "indicate accumulator empty")); sqlite3VdbeAddOp1(v, OP_Return, regReset); + if( distFlag!=0 && eDist!=WHERE_DISTINCT_NOOP ){ + struct AggInfo_func *pF = &pAggInfo->aFunc[0]; + fixDistinctOpenEph(pParse, eDist, pF->iDistinct, pF->iDistAddr); + } } /* endif pGroupBy. Begin aggregate queries without GROUP BY: */ else { Table *pTab; @@ -136058,12 +148662,15 @@ SQLITE_PRIVATE int sqlite3Select( if( pKeyInfo ){ sqlite3VdbeChangeP4(v, -1, (char *)pKeyInfo, P4_KEYINFO); } - sqlite3VdbeAddOp2(v, OP_Count, iCsr, pAggInfo->aFunc[0].iMem); + assignAggregateRegisters(pParse, pAggInfo); + sqlite3VdbeAddOp2(v, OP_Count, iCsr, AggInfoFuncReg(pAggInfo,0)); sqlite3VdbeAddOp1(v, OP_Close, iCsr); explainSimpleCount(pParse, pTab, pBest); }else{ int regAcc = 0; /* "populate accumulators" flag */ - int addrSkip; + ExprList *pDistinct = 0; + u16 distFlag = 0; + int eDist; /* If there are accumulator registers but no min() or max() functions ** without FILTER clauses, allocate register regAcc. Register regAcc @@ -136087,7 +148694,12 @@ SQLITE_PRIVATE int sqlite3Select( regAcc = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Integer, 0, regAcc); } + }else if( pAggInfo->nFunc==1 && pAggInfo->aFunc[0].iDistinct>=0 ){ + assert( ExprUseXList(pAggInfo->aFunc[0].pFExpr) ); + pDistinct = pAggInfo->aFunc[0].pFExpr->x.pList; + distFlag = pDistinct ? (WHERE_WANT_DISTINCT|WHERE_AGG_DISTINCT) : 0; } + assignAggregateRegisters(pParse, pAggInfo); /* This case runs if the aggregate has no GROUP BY clause. The ** processing is much simpler since there is only a single row @@ -136104,18 +148716,27 @@ SQLITE_PRIVATE int sqlite3Select( assert( minMaxFlag==WHERE_ORDERBY_NORMAL || pMinMaxOrderBy!=0 ); assert( pMinMaxOrderBy==0 || pMinMaxOrderBy->nExpr==1 ); - SELECTTRACE(1,pParse,p,("WhereBegin\n")); + TREETRACE(0x2,pParse,p,("WhereBegin\n")); pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pMinMaxOrderBy, - 0, minMaxFlag, 0); + pDistinct, p, minMaxFlag|distFlag, 0); if( pWInfo==0 ){ goto select_end; } - updateAccumulator(pParse, regAcc, pAggInfo); + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); + eDist = sqlite3WhereIsDistinct(pWInfo); + updateAccumulator(pParse, regAcc, pAggInfo, eDist); + if( eDist!=WHERE_DISTINCT_NOOP ){ + struct AggInfo_func *pF = pAggInfo->aFunc; + if( pF ){ + fixDistinctOpenEph(pParse, eDist, pF->iDistinct, pF->iDistAddr); + } + } + if( regAcc ) sqlite3VdbeAddOp2(v, OP_Integer, 1, regAcc); - addrSkip = sqlite3WhereOrderByLimitOptLabel(pWInfo); - if( addrSkip!=sqlite3WhereContinueLabel(pWInfo) ){ - sqlite3VdbeGoto(v, addrSkip); + if( minMaxFlag ){ + sqlite3WhereMinMaxOptEarlyOut(v, pWInfo); } + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); finalizeAggFunctions(pParse, pAggInfo); } @@ -136137,8 +148758,6 @@ SQLITE_PRIVATE int sqlite3Select( ** and send them to the callback one by one. */ if( sSort.pOrderBy ){ - explainTempTable(pParse, - sSort.nOBSat>0 ? "RIGHT PART OF ORDER BY":"ORDER BY"); assert( p->pEList==pEList ); generateSortTail(pParse, p, &sSort, pEList->nExpr, pDest); } @@ -136155,29 +148774,29 @@ SQLITE_PRIVATE int sqlite3Select( ** successful coding of the SELECT. */ select_end: + assert( db->mallocFailed==0 || db->mallocFailed==1 ); + assert( db->mallocFailed==0 || pParse->nErr!=0 ); sqlite3ExprListDelete(db, pMinMaxOrderBy); #ifdef SQLITE_DEBUG if( pAggInfo && !db->mallocFailed ){ for(i=0; inColumn; i++){ Expr *pExpr = pAggInfo->aCol[i].pCExpr; - assert( pExpr!=0 || db->mallocFailed ); if( pExpr==0 ) continue; assert( pExpr->pAggInfo==pAggInfo ); assert( pExpr->iAgg==i ); } for(i=0; inFunc; i++){ Expr *pExpr = pAggInfo->aFunc[i].pFExpr; - assert( pExpr!=0 || db->mallocFailed ); - if( pExpr==0 ) continue; + assert( pExpr!=0 ); assert( pExpr->pAggInfo==pAggInfo ); assert( pExpr->iAgg==i ); } } #endif -#if SELECTTRACE_ENABLED - SELECTTRACE(0x1,pParse,p,("end processing\n")); - if( (sqlite3_unsupported_selecttrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ +#if TREETRACE_ENABLED + TREETRACE(0x1,pParse,p,("end processing\n")); + if( (sqlite3TreeTrace & 0x40000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -136438,28 +149057,48 @@ SQLITE_PRIVATE void sqlite3DeleteTriggerStep(sqlite3 *db, TriggerStep *pTriggerS ** pTab as well as the triggers lised in pTab->pTrigger. */ SQLITE_PRIVATE Trigger *sqlite3TriggerList(Parse *pParse, Table *pTab){ - Schema * const pTmpSchema = pParse->db->aDb[1].pSchema; - Trigger *pList = 0; /* List of triggers to return */ - - if( pParse->disableTriggers ){ - return 0; + Schema *pTmpSchema; /* Schema of the pTab table */ + Trigger *pList; /* List of triggers to return */ + HashElem *p; /* Loop variable for TEMP triggers */ + + assert( pParse->disableTriggers==0 ); + pTmpSchema = pParse->db->aDb[1].pSchema; + p = sqliteHashFirst(&pTmpSchema->trigHash); + pList = pTab->pTrigger; + while( p ){ + Trigger *pTrig = (Trigger *)sqliteHashData(p); + if( pTrig->pTabSchema==pTab->pSchema + && pTrig->table + && 0==sqlite3StrICmp(pTrig->table, pTab->zName) + && (pTrig->pTabSchema!=pTmpSchema || pTrig->bReturning) + ){ + pTrig->pNext = pList; + pList = pTrig; + }else if( pTrig->op==TK_RETURNING ){ +#ifndef SQLITE_OMIT_VIRTUALTABLE + assert( pParse->db->pVtabCtx==0 ); +#endif + assert( pParse->bReturning ); + assert( &(pParse->u1.pReturning->retTrig) == pTrig ); + pTrig->table = pTab->zName; + pTrig->pTabSchema = pTab->pSchema; + pTrig->pNext = pList; + pList = pTrig; + } + p = sqliteHashNext(p); } - - if( pTmpSchema!=pTab->pSchema ){ - HashElem *p; - assert( sqlite3SchemaMutexHeld(pParse->db, 0, pTmpSchema) ); - for(p=sqliteHashFirst(&pTmpSchema->trigHash); p; p=sqliteHashNext(p)){ - Trigger *pTrig = (Trigger *)sqliteHashData(p); - if( pTrig->pTabSchema==pTab->pSchema - && 0==sqlite3StrICmp(pTrig->table, pTab->zName) - ){ - pTrig->pNext = (pList ? pList : pTab->pTrigger); - pList = pTrig; - } +#if 0 + if( pList ){ + Trigger *pX; + printf("Triggers for %s:", pTab->zName); + for(pX=pList; pX; pX=pX->pNext){ + printf(" %s", pX->zName); } + printf("\n"); + fflush(stdout); } - - return (pList ? pList : pTab->pTrigger); +#endif + return pList; } /* @@ -136547,22 +149186,11 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( pTab = sqlite3SrcListLookup(pParse, pTableName); if( !pTab ){ /* The table does not exist. */ - if( db->init.iDb==1 ){ - /* Ticket #3810. - ** Normally, whenever a table is dropped, all associated triggers are - ** dropped too. But if a TEMP trigger is created on a non-TEMP table - ** and the table is dropped by a different database connection, the - ** trigger is not visible to the database connection that does the - ** drop so the trigger cannot be dropped. This results in an - ** "orphaned trigger" - a trigger whose associated table is missing. - */ - db->init.orphanTrigger = 1; - } - goto trigger_cleanup; + goto trigger_orphan_error; } if( IsVirtual(pTab) ){ sqlite3ErrorMsg(pParse, "cannot create triggers on virtual tables"); - goto trigger_cleanup; + goto trigger_orphan_error; } /* Check that the trigger name is not reserved and that no trigger of the @@ -136583,6 +149211,7 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( }else{ assert( !db->init.busy ); sqlite3CodeVerifySchema(pParse, iDb); + VVA_ONLY( pParse->ifNotExists = 1; ) } goto trigger_cleanup; } @@ -136597,15 +149226,15 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( /* INSTEAD of triggers are only for views and views only support INSTEAD ** of triggers. */ - if( pTab->pSelect && tr_tm!=TK_INSTEAD ){ + if( IsView(pTab) && tr_tm!=TK_INSTEAD ){ sqlite3ErrorMsg(pParse, "cannot create %s trigger on view: %S", - (tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName, 0); - goto trigger_cleanup; + (tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName->a); + goto trigger_orphan_error; } - if( !pTab->pSelect && tr_tm==TK_INSTEAD ){ + if( !IsView(pTab) && tr_tm==TK_INSTEAD ){ sqlite3ErrorMsg(pParse, "cannot create INSTEAD OF" - " trigger on table: %S", pTableName, 0); - goto trigger_cleanup; + " trigger on table: %S", pTableName->a); + goto trigger_orphan_error; } #ifndef SQLITE_OMIT_AUTHORIZATION @@ -136665,6 +149294,23 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( }else{ assert( pParse->pNewTrigger==pTrigger ); } + return; + +trigger_orphan_error: + if( db->init.iDb==1 ){ + /* Ticket #3810. + ** Normally, whenever a table is dropped, all associated triggers are + ** dropped too. But if a TEMP trigger is created on a non-TEMP table + ** and the table is dropped by a different database connection, the + ** trigger is not visible to the database connection that does the + ** drop so the trigger cannot be dropped. This results in an + ** "orphaned trigger" - a trigger whose associated table is missing. + ** + ** 2020-11-05 see also https://sqlite.org/forum/forumpost/157dc791df + */ + db->init.orphanTrigger = 1; + } + goto trigger_cleanup; } /* @@ -136715,6 +149361,23 @@ SQLITE_PRIVATE void sqlite3FinishTrigger( Vdbe *v; char *z; + /* If this is a new CREATE TABLE statement, and if shadow tables + ** are read-only, and the trigger makes a change to a shadow table, + ** then raise an error - do not allow the trigger to be created. */ + if( sqlite3ReadOnlyShadowTables(db) ){ + TriggerStep *pStep; + for(pStep=pTrig->step_list; pStep; pStep=pStep->pNext){ + if( pStep->zTarget!=0 + && sqlite3ShadowTableName(db, pStep->zTarget) + ){ + sqlite3ErrorMsg(pParse, + "trigger \"%s\" may not write to shadow table \"%s\"", + pTrig->zName, pStep->zTarget); + goto triggerfinish_cleanup; + } + } + } + /* Make an entry in the sqlite_schema table */ v = sqlite3GetVdbe(pParse); if( v==0 ) goto triggerfinish_cleanup; @@ -136722,14 +149385,14 @@ SQLITE_PRIVATE void sqlite3FinishTrigger( z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n); testcase( z==0 ); sqlite3NestedParse(pParse, - "INSERT INTO %Q." DFLT_SCHEMA_TABLE + "INSERT INTO %Q." LEGACY_SCHEMA_TABLE " VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')", db->aDb[iDb].zDbSName, zName, pTrig->table, z); sqlite3DbFree(db, z); sqlite3ChangeCookie(pParse, iDb); sqlite3VdbeAddParseSchemaOp(v, iDb, - sqlite3MPrintf(db, "type='trigger' AND name='%q'", zName)); + sqlite3MPrintf(db, "type='trigger' AND name='%q'", zName), 0); } if( db->init.busy ){ @@ -136807,6 +149470,7 @@ static TriggerStep *triggerStepAllocate( sqlite3 *db = pParse->db; TriggerStep *pTriggerStep; + if( pParse->nErr ) return 0; pTriggerStep = sqlite3DbMallocZero(db, sizeof(TriggerStep) + pName->n + 1); if( pTriggerStep ){ char *z = (char*)&pTriggerStep[1]; @@ -136877,7 +149541,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerInsertStep( SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep( Parse *pParse, /* Parser */ Token *pTableName, /* Name of the table to be updated */ - SrcList *pFrom, + SrcList *pFrom, /* FROM clause for an UPDATE-FROM, or NULL */ ExprList *pEList, /* The SET clause: list of column and new values */ Expr *pWhere, /* The WHERE clause */ u8 orconf, /* The conflict algorithm. (OE_Abort, OE_Ignore, etc) */ @@ -136942,7 +149606,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerDeleteStep( ** Recursively delete a Trigger structure */ SQLITE_PRIVATE void sqlite3DeleteTrigger(sqlite3 *db, Trigger *pTrigger){ - if( pTrigger==0 ) return; + if( pTrigger==0 || pTrigger->bReturning ) return; sqlite3DeleteTriggerStep(db, pTrigger->step_list); sqlite3DbFree(db, pTrigger->zName); sqlite3DbFree(db, pTrigger->table); @@ -136984,7 +149648,7 @@ SQLITE_PRIVATE void sqlite3DropTrigger(Parse *pParse, SrcList *pName, int noErr) } if( !pTrigger ){ if( !noErr ){ - sqlite3ErrorMsg(pParse, "no such trigger: %S", pName, 0); + sqlite3ErrorMsg(pParse, "no such trigger: %S", pName->a); }else{ sqlite3CodeVerifyNamedSchema(pParse, zDb); } @@ -137036,7 +149700,7 @@ SQLITE_PRIVATE void sqlite3DropTriggerPtr(Parse *pParse, Trigger *pTrigger){ */ if( (v = sqlite3GetVdbe(pParse))!=0 ){ sqlite3NestedParse(pParse, - "DELETE FROM %Q." DFLT_SCHEMA_TABLE " WHERE name=%Q AND type='trigger'", + "DELETE FROM %Q." LEGACY_SCHEMA_TABLE " WHERE name=%Q AND type='trigger'", db->aDb[iDb].zDbSName, pTrigger->zName ); sqlite3ChangeCookie(pParse, iDb); @@ -137090,13 +149754,22 @@ static int checkColumnOverlap(IdList *pIdList, ExprList *pEList){ return 0; } +/* +** Return true if any TEMP triggers exist +*/ +static int tempTriggersExist(sqlite3 *db){ + if( NEVER(db->aDb[1].pSchema==0) ) return 0; + if( sqliteHashFirst(&db->aDb[1].pSchema->trigHash)==0 ) return 0; + return 1; +} + /* ** Return a list of all triggers on table pTab if there exists at least ** one trigger that must be fired when an operation of type 'op' is ** performed on the table, and, if that operation is an UPDATE, if at ** least one of the columns in pChanges is being modified. */ -SQLITE_PRIVATE Trigger *sqlite3TriggersExist( +static SQLITE_NOINLINE Trigger *triggersReallyExist( Parse *pParse, /* Parse context */ Table *pTab, /* The table the contains the triggers */ int op, /* one of TK_DELETE, TK_INSERT, TK_UPDATE */ @@ -137107,20 +149780,74 @@ SQLITE_PRIVATE Trigger *sqlite3TriggersExist( Trigger *pList = 0; Trigger *p; - if( (pParse->db->flags & SQLITE_EnableTrigger)!=0 ){ - pList = sqlite3TriggerList(pParse, pTab); - } - assert( pList==0 || IsVirtual(pTab)==0 ); - for(p=pList; p; p=p->pNext){ - if( p->op==op && checkColumnOverlap(p->pColumns, pChanges) ){ - mask |= p->tr_tm; + pList = sqlite3TriggerList(pParse, pTab); + assert( pList==0 || IsVirtual(pTab)==0 + || (pList->bReturning && pList->pNext==0) ); + if( pList!=0 ){ + p = pList; + if( (pParse->db->flags & SQLITE_EnableTrigger)==0 + && pTab->pTrigger!=0 + ){ + /* The SQLITE_DBCONFIG_ENABLE_TRIGGER setting is off. That means that + ** only TEMP triggers are allowed. Truncate the pList so that it + ** includes only TEMP triggers */ + if( pList==pTab->pTrigger ){ + pList = 0; + goto exit_triggers_exist; + } + while( ALWAYS(p->pNext) && p->pNext!=pTab->pTrigger ) p = p->pNext; + p->pNext = 0; + p = pList; } + do{ + if( p->op==op && checkColumnOverlap(p->pColumns, pChanges) ){ + mask |= p->tr_tm; + }else if( p->op==TK_RETURNING ){ + /* The first time a RETURNING trigger is seen, the "op" value tells + ** us what time of trigger it should be. */ + assert( sqlite3IsToplevel(pParse) ); + p->op = op; + if( IsVirtual(pTab) ){ + if( op!=TK_INSERT ){ + sqlite3ErrorMsg(pParse, + "%s RETURNING is not available on virtual tables", + op==TK_DELETE ? "DELETE" : "UPDATE"); + } + p->tr_tm = TRIGGER_BEFORE; + }else{ + p->tr_tm = TRIGGER_AFTER; + } + mask |= p->tr_tm; + }else if( p->bReturning && p->op==TK_INSERT && op==TK_UPDATE + && sqlite3IsToplevel(pParse) ){ + /* Also fire a RETURNING trigger for an UPSERT */ + mask |= p->tr_tm; + } + p = p->pNext; + }while( p ); } +exit_triggers_exist: if( pMask ){ *pMask = mask; } return (mask ? pList : 0); } +SQLITE_PRIVATE Trigger *sqlite3TriggersExist( + Parse *pParse, /* Parse context */ + Table *pTab, /* The table the contains the triggers */ + int op, /* one of TK_DELETE, TK_INSERT, TK_UPDATE */ + ExprList *pChanges, /* Columns that change in an UPDATE statement */ + int *pMask /* OUT: Mask of TRIGGER_BEFORE|TRIGGER_AFTER */ +){ + assert( pTab!=0 ); + if( (pTab->pTrigger==0 && !tempTriggersExist(pParse->db)) + || pParse->disableTriggers + ){ + if( pMask ) *pMask = 0; + return 0; + } + return triggersReallyExist(pParse,pTab,op,pChanges,pMask); +} /* ** Convert the pStep->zTarget string into a SrcList and return a pointer @@ -137150,6 +149877,14 @@ SQLITE_PRIVATE SrcList *sqlite3TriggerStepSrc( } if( pStep->pFrom ){ SrcList *pDup = sqlite3SrcListDup(db, pStep->pFrom, 0); + if( pDup && pDup->nSrc>1 && !IN_RENAME_OBJECT ){ + Select *pSubquery; + Token as; + pSubquery = sqlite3SelectNew(pParse,0,pDup,0,0,0,0,SF_NestedFrom,0); + as.n = 0; + as.z = 0; + pDup = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&as,pSubquery,0); + } pSrc = sqlite3SrcListAppendList(pParse, pSrc, pDup); } }else{ @@ -137158,6 +149893,146 @@ SQLITE_PRIVATE SrcList *sqlite3TriggerStepSrc( return pSrc; } +/* +** Return true if the pExpr term from the RETURNING clause argument +** list is of the form "*". Raise an error if the terms if of the +** form "table.*". +*/ +static int isAsteriskTerm( + Parse *pParse, /* Parsing context */ + Expr *pTerm /* A term in the RETURNING clause */ +){ + assert( pTerm!=0 ); + if( pTerm->op==TK_ASTERISK ) return 1; + if( pTerm->op!=TK_DOT ) return 0; + assert( pTerm->pRight!=0 ); + assert( pTerm->pLeft!=0 ); + if( pTerm->pRight->op!=TK_ASTERISK ) return 0; + sqlite3ErrorMsg(pParse, "RETURNING may not use \"TABLE.*\" wildcards"); + return 1; +} + +/* The input list pList is the list of result set terms from a RETURNING +** clause. The table that we are returning from is pTab. +** +** This routine makes a copy of the pList, and at the same time expands +** any "*" wildcards to be the complete set of columns from pTab. +*/ +static ExprList *sqlite3ExpandReturning( + Parse *pParse, /* Parsing context */ + ExprList *pList, /* The arguments to RETURNING */ + Table *pTab /* The table being updated */ +){ + ExprList *pNew = 0; + sqlite3 *db = pParse->db; + int i; + + for(i=0; inExpr; i++){ + Expr *pOldExpr = pList->a[i].pExpr; + if( NEVER(pOldExpr==0) ) continue; + if( isAsteriskTerm(pParse, pOldExpr) ){ + int jj; + for(jj=0; jjnCol; jj++){ + Expr *pNewExpr; + if( IsHiddenColumn(pTab->aCol+jj) ) continue; + pNewExpr = sqlite3Expr(db, TK_ID, pTab->aCol[jj].zCnName); + pNew = sqlite3ExprListAppend(pParse, pNew, pNewExpr); + if( !db->mallocFailed ){ + struct ExprList_item *pItem = &pNew->a[pNew->nExpr-1]; + pItem->zEName = sqlite3DbStrDup(db, pTab->aCol[jj].zCnName); + pItem->fg.eEName = ENAME_NAME; + } + } + }else{ + Expr *pNewExpr = sqlite3ExprDup(db, pOldExpr, 0); + pNew = sqlite3ExprListAppend(pParse, pNew, pNewExpr); + if( !db->mallocFailed && ALWAYS(pList->a[i].zEName!=0) ){ + struct ExprList_item *pItem = &pNew->a[pNew->nExpr-1]; + pItem->zEName = sqlite3DbStrDup(db, pList->a[i].zEName); + pItem->fg.eEName = pList->a[i].fg.eEName; + } + } + } + return pNew; +} + +/* +** Generate code for the RETURNING trigger. Unlike other triggers +** that invoke a subprogram in the bytecode, the code for RETURNING +** is generated in-line. +*/ +static void codeReturningTrigger( + Parse *pParse, /* Parse context */ + Trigger *pTrigger, /* The trigger step that defines the RETURNING */ + Table *pTab, /* The table to code triggers from */ + int regIn /* The first in an array of registers */ +){ + Vdbe *v = pParse->pVdbe; + sqlite3 *db = pParse->db; + ExprList *pNew; + Returning *pReturning; + Select sSelect; + SrcList sFrom; + + assert( v!=0 ); + assert( pParse->bReturning ); + assert( db->pParse==pParse ); + pReturning = pParse->u1.pReturning; + assert( pTrigger == &(pReturning->retTrig) ); + memset(&sSelect, 0, sizeof(sSelect)); + memset(&sFrom, 0, sizeof(sFrom)); + sSelect.pEList = sqlite3ExprListDup(db, pReturning->pReturnEL, 0); + sSelect.pSrc = &sFrom; + sFrom.nSrc = 1; + sFrom.a[0].pTab = pTab; + sFrom.a[0].iCursor = -1; + sqlite3SelectPrep(pParse, &sSelect, 0); + if( pParse->nErr==0 ){ + assert( db->mallocFailed==0 ); + sqlite3GenerateColumnNames(pParse, &sSelect); + } + sqlite3ExprListDelete(db, sSelect.pEList); + pNew = sqlite3ExpandReturning(pParse, pReturning->pReturnEL, pTab); + if( pParse->nErr==0 ){ + NameContext sNC; + memset(&sNC, 0, sizeof(sNC)); + if( pReturning->nRetCol==0 ){ + pReturning->nRetCol = pNew->nExpr; + pReturning->iRetCur = pParse->nTab++; + } + sNC.pParse = pParse; + sNC.uNC.iBaseReg = regIn; + sNC.ncFlags = NC_UBaseReg; + pParse->eTriggerOp = pTrigger->op; + pParse->pTriggerTab = pTab; + if( sqlite3ResolveExprListNames(&sNC, pNew)==SQLITE_OK + && ALWAYS(!db->mallocFailed) + ){ + int i; + int nCol = pNew->nExpr; + int reg = pParse->nMem+1; + pParse->nMem += nCol+2; + pReturning->iRetReg = reg; + for(i=0; ia[i].pExpr; + assert( pCol!=0 ); /* Due to !db->mallocFailed ~9 lines above */ + sqlite3ExprCodeFactorable(pParse, pCol, reg+i); + if( sqlite3ExprAffinity(pCol)==SQLITE_AFF_REAL ){ + sqlite3VdbeAddOp1(v, OP_RealAffinity, reg+i); + } + } + sqlite3VdbeAddOp3(v, OP_MakeRecord, reg, i, reg+i); + sqlite3VdbeAddOp2(v, OP_NewRowid, pReturning->iRetCur, reg+i+1); + sqlite3VdbeAddOp3(v, OP_Insert, pReturning->iRetCur, reg+i, reg+i+1); + } + } + sqlite3ExprListDelete(db, pNew); + pParse->eTriggerOp = 0; + pParse->pTriggerTab = 0; +} + + + /* ** Generate VDBE code for the statements inside the body of a single ** trigger. @@ -137207,6 +150082,7 @@ static int codeTriggerProgram( sqlite3ExprDup(db, pStep->pWhere, 0), pParse->eOrconf, 0, 0, 0 ); + sqlite3VdbeAddOp0(v, OP_ResetCount); break; } case TK_INSERT: { @@ -137217,6 +150093,7 @@ static int codeTriggerProgram( pParse->eOrconf, sqlite3UpsertDup(db, pStep->pUpsert) ); + sqlite3VdbeAddOp0(v, OP_ResetCount); break; } case TK_DELETE: { @@ -137224,6 +150101,7 @@ static int codeTriggerProgram( sqlite3TriggerStepSrc(pParse, pStep), sqlite3ExprDup(db, pStep->pWhere, 0), 0, 0 ); + sqlite3VdbeAddOp0(v, OP_ResetCount); break; } default: assert( pStep->op==TK_SELECT ); { @@ -137235,9 +150113,6 @@ static int codeTriggerProgram( break; } } - if( pStep->op!=TK_SELECT ){ - sqlite3VdbeAddOp0(v, OP_ResetCount); - } } return 0; @@ -137295,8 +150170,8 @@ static TriggerPrg *codeRowTrigger( Vdbe *v; /* Temporary VM */ NameContext sNC; /* Name context for sub-vdbe */ SubProgram *pProgram = 0; /* Sub-vdbe for trigger program */ - Parse *pSubParse; /* Parse context for sub-vdbe */ int iEndTrigger = 0; /* Label to jump to if WHEN is false */ + Parse sSubParse; /* Parse context for sub-vdbe */ assert( pTrigger->zName==0 || pTab==tableOfTrigger(pTrigger) ); assert( pTop->pVdbe ); @@ -137318,19 +150193,17 @@ static TriggerPrg *codeRowTrigger( /* Allocate and populate a new Parse context to use for coding the ** trigger sub-program. */ - pSubParse = sqlite3StackAllocZero(db, sizeof(Parse)); - if( !pSubParse ) return 0; + sqlite3ParseObjectInit(&sSubParse, db); memset(&sNC, 0, sizeof(sNC)); - sNC.pParse = pSubParse; - pSubParse->db = db; - pSubParse->pTriggerTab = pTab; - pSubParse->pToplevel = pTop; - pSubParse->zAuthContext = pTrigger->zName; - pSubParse->eTriggerOp = pTrigger->op; - pSubParse->nQueryLoop = pParse->nQueryLoop; - pSubParse->disableVtab = pParse->disableVtab; - - v = sqlite3GetVdbe(pSubParse); + sNC.pParse = &sSubParse; + sSubParse.pTriggerTab = pTab; + sSubParse.pToplevel = pTop; + sSubParse.zAuthContext = pTrigger->zName; + sSubParse.eTriggerOp = pTrigger->op; + sSubParse.nQueryLoop = pParse->nQueryLoop; + sSubParse.prepFlags = pParse->prepFlags; + + v = sqlite3GetVdbe(&sSubParse); if( v ){ VdbeComment((v, "Start: %s.%s (%s %s%s%s ON %s)", pTrigger->zName, onErrorText(orconf), @@ -137353,17 +150226,17 @@ static TriggerPrg *codeRowTrigger( ** OP_Halt inserted at the end of the program. */ if( pTrigger->pWhen ){ pWhen = sqlite3ExprDup(db, pTrigger->pWhen, 0); - if( SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) - && db->mallocFailed==0 + if( db->mallocFailed==0 + && SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) ){ - iEndTrigger = sqlite3VdbeMakeLabel(pSubParse); - sqlite3ExprIfFalse(pSubParse, pWhen, iEndTrigger, SQLITE_JUMPIFNULL); + iEndTrigger = sqlite3VdbeMakeLabel(&sSubParse); + sqlite3ExprIfFalse(&sSubParse, pWhen, iEndTrigger, SQLITE_JUMPIFNULL); } sqlite3ExprDelete(db, pWhen); } /* Code the trigger program into the sub-vdbe. */ - codeTriggerProgram(pSubParse, pTrigger->step_list, orconf); + codeTriggerProgram(&sSubParse, pTrigger->step_list, orconf); /* Insert an OP_Halt at the end of the sub-program. */ if( iEndTrigger ){ @@ -137371,24 +150244,24 @@ static TriggerPrg *codeRowTrigger( } sqlite3VdbeAddOp0(v, OP_Halt); VdbeComment((v, "End: %s.%s", pTrigger->zName, onErrorText(orconf))); + transferParseError(pParse, &sSubParse); - transferParseError(pParse, pSubParse); - if( db->mallocFailed==0 && pParse->nErr==0 ){ + if( pParse->nErr==0 ){ + assert( db->mallocFailed==0 ); pProgram->aOp = sqlite3VdbeTakeOpArray(v, &pProgram->nOp, &pTop->nMaxArg); } - pProgram->nMem = pSubParse->nMem; - pProgram->nCsr = pSubParse->nTab; + pProgram->nMem = sSubParse.nMem; + pProgram->nCsr = sSubParse.nTab; pProgram->token = (void *)pTrigger; - pPrg->aColmask[0] = pSubParse->oldmask; - pPrg->aColmask[1] = pSubParse->newmask; + pPrg->aColmask[0] = sSubParse.oldmask; + pPrg->aColmask[1] = sSubParse.newmask; sqlite3VdbeDelete(v); + }else{ + transferParseError(pParse, &sSubParse); } - assert( !pSubParse->pAinc && !pSubParse->pZombieTab ); - assert( !pSubParse->pTriggerPrg && !pSubParse->nMaxArg ); - sqlite3ParserReset(pSubParse); - sqlite3StackFree(db, pSubParse); - + assert( !sSubParse.pTriggerPrg && !sSubParse.nMaxArg ); + sqlite3ParseObjectReset(&sSubParse); return pPrg; } @@ -137421,6 +150294,7 @@ static TriggerPrg *getRowTrigger( /* If an existing TriggerPrg could not be located, create a new one. */ if( !pPrg ){ pPrg = codeRowTrigger(pParse, pTrigger, pTab, orconf); + pParse->db->errByteOffset = -1; } return pPrg; @@ -137443,7 +150317,7 @@ SQLITE_PRIVATE void sqlite3CodeRowTriggerDirect( Vdbe *v = sqlite3GetVdbe(pParse); /* Main VM */ TriggerPrg *pPrg; pPrg = getRowTrigger(pParse, p, pTab, orconf); - assert( pPrg || pParse->nErr || pParse->db->mallocFailed ); + assert( pPrg || pParse->nErr ); /* Code the OP_Program opcode in the parent VDBE. P4 of the OP_Program ** is a pointer to the sub-vdbe containing the trigger program. */ @@ -137486,7 +150360,7 @@ SQLITE_PRIVATE void sqlite3CodeRowTriggerDirect( ** ... ... ** reg+N OLD.* value of right-most column of pTab ** reg+N+1 NEW.rowid -** reg+N+2 OLD.* value of left-most column of pTab +** reg+N+2 NEW.* value of left-most column of pTab ** ... ... ** reg+N+N+1 NEW.* value of right-most column of pTab ** @@ -137531,12 +150405,20 @@ SQLITE_PRIVATE void sqlite3CodeRowTrigger( assert( p->pSchema==p->pTabSchema || p->pSchema==pParse->db->aDb[1].pSchema ); - /* Determine whether we should code this trigger */ - if( p->op==op + /* Determine whether we should code this trigger. One of two choices: + ** 1. The trigger is an exact match to the current DML statement + ** 2. This is a RETURNING trigger for INSERT but we are currently + ** doing the UPDATE part of an UPSERT. + */ + if( (p->op==op || (p->bReturning && p->op==TK_INSERT && op==TK_UPDATE)) && p->tr_tm==tr_tm && checkColumnOverlap(p->pColumns, pChanges) ){ - sqlite3CodeRowTriggerDirect(pParse, p, pTab, reg, orconf, ignoreJump); + if( !p->bReturning ){ + sqlite3CodeRowTriggerDirect(pParse, p, pTab, reg, orconf, ignoreJump); + }else if( sqlite3IsToplevel(pParse) ){ + codeReturningTrigger(pParse, p, pTab, reg); + } } } } @@ -137580,14 +150462,22 @@ SQLITE_PRIVATE u32 sqlite3TriggerColmask( Trigger *p; assert( isNew==1 || isNew==0 ); + if( IsView(pTab) ){ + return 0xffffffff; + } for(p=pTrigger; p; p=p->pNext){ - if( p->op==op && (tr_tm&p->tr_tm) + if( p->op==op + && (tr_tm&p->tr_tm) && checkColumnOverlap(p->pColumns,pChanges) ){ - TriggerPrg *pPrg; - pPrg = getRowTrigger(pParse, p, pTab, orconf); - if( pPrg ){ - mask |= pPrg->aColmask[isNew]; + if( p->bReturning ){ + mask = 0xffffffff; + }else{ + TriggerPrg *pPrg; + pPrg = getRowTrigger(pParse, p, pTab, orconf); + if( pPrg ){ + mask |= pPrg->aColmask[isNew]; + } } } } @@ -137660,21 +150550,25 @@ static void updateVirtualTable( ** it has been converted into REAL. */ SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){ + Column *pCol; assert( pTab!=0 ); - if( !pTab->pSelect ){ + assert( pTab->nCol>i ); + pCol = &pTab->aCol[i]; + if( pCol->iDflt ){ sqlite3_value *pValue = 0; u8 enc = ENC(sqlite3VdbeDb(v)); - Column *pCol = &pTab->aCol[i]; - VdbeComment((v, "%s.%s", pTab->zName, pCol->zName)); + assert( !IsView(pTab) ); + VdbeComment((v, "%s.%s", pTab->zName, pCol->zCnName)); assert( inCol ); - sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc, + sqlite3ValueFromExpr(sqlite3VdbeDb(v), + sqlite3ColumnExpr(pTab,pCol), enc, pCol->affinity, &pValue); if( pValue ){ sqlite3VdbeAppendP4(v, pValue, P4_MEM); } } #ifndef SQLITE_OMIT_FLOATING_POINT - if( pTab->aCol[i].affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){ + if( pCol->affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); } #endif @@ -137821,6 +150715,7 @@ static void updateFromSelect( assert( pTabList->nSrc>1 ); if( pSrc ){ + assert( pSrc->a[0].fg.notCte ); pSrc->a[0].iCursor = -1; pSrc->a[0].pTab->nTabRef--; pSrc->a[0].pTab = 0; @@ -137835,8 +150730,8 @@ static void updateFromSelect( #endif pList = sqlite3ExprListAppend(pParse, pList, pNew); } - eDest = SRT_Upfrom; - }else if( pTab->pSelect ){ + eDest = IsVirtual(pTab) ? SRT_Table : SRT_Upfrom; + }else if( IsView(pTab) ){ for(i=0; inCol; i++){ pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); } @@ -137850,7 +150745,8 @@ static void updateFromSelect( } #endif } - if( ALWAYS(pChanges) ){ + assert( pChanges!=0 || pParse->db->mallocFailed ); + if( pChanges ){ for(i=0; inExpr; i++){ pList = sqlite3ExprListAppend(pParse, pList, sqlite3ExprDup(db, pChanges->a[i].pExpr, 0) @@ -137858,8 +150754,10 @@ static void updateFromSelect( } } pSelect = sqlite3SelectNew(pParse, pList, - pSrc, pWhere2, pGrp, 0, pOrderBy2, SF_UpdateFrom|SF_IncludeHidden, pLimit2 + pSrc, pWhere2, pGrp, 0, pOrderBy2, + SF_UFSrcCheck|SF_IncludeHidden|SF_UpdateFrom, pLimit2 ); + if( pSelect ) pSelect->selFlags |= SF_OrderByReqd; sqlite3SelectDestInit(&dest, eDest, iEph); dest.iSDParm2 = (pPk ? pPk->nKeyCol : -1); sqlite3Select(pParse, pSelect, &dest); @@ -137944,9 +150842,11 @@ SQLITE_PRIVATE void sqlite3Update( memset(&sContext, 0, sizeof(sContext)); db = pParse->db; - if( pParse->nErr || db->mallocFailed ){ + assert( db->pParse==pParse ); + if( pParse->nErr ){ goto update_cleanup; } + assert( db->mallocFailed==0 ); /* Locate the table which we want to update. */ @@ -137959,7 +150859,7 @@ SQLITE_PRIVATE void sqlite3Update( */ #ifndef SQLITE_OMIT_TRIGGER pTrigger = sqlite3TriggersExist(pParse, pTab, TK_UPDATE, pChanges, &tmask); - isView = pTab->pSelect!=0; + isView = IsView(pTab); assert( pTrigger || tmask==0 ); #else # define pTrigger 0 @@ -137971,6 +150871,14 @@ SQLITE_PRIVATE void sqlite3Update( # define isView 0 #endif +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x10000 ){ + sqlite3TreeViewLine(0, "In sqlite3Update() at %s:%d", __FILE__, __LINE__); + sqlite3TreeViewUpdate(pParse->pWith, pTabList, pChanges, pWhere, + onError, pOrderBy, pLimit, pUpsert, pTrigger); + } +#endif + /* If there was a FROM clause, set nChangeFrom to the number of expressions ** in the change-list. Otherwise, set it to 0. There cannot be a FROM ** clause if this function is being called to generate code for part of @@ -137991,7 +150899,7 @@ SQLITE_PRIVATE void sqlite3Update( if( sqlite3ViewGetColumnNames(pParse, pTab) ){ goto update_cleanup; } - if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto update_cleanup; } @@ -138048,13 +150956,16 @@ SQLITE_PRIVATE void sqlite3Update( */ chngRowid = chngPk = 0; for(i=0; inExpr; i++){ + u8 hCol = sqlite3StrIHash(pChanges->a[i].zEName); /* If this is an UPDATE with a FROM clause, do not resolve expressions ** here. The call to sqlite3Select() below will do that. */ if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){ goto update_cleanup; } for(j=0; jnCol; j++){ - if( sqlite3StrICmp(pTab->aCol[j].zName, pChanges->a[i].zEName)==0 ){ + if( pTab->aCol[j].hName==hCol + && sqlite3StrICmp(pTab->aCol[j].zCnName, pChanges->a[i].zEName)==0 + ){ if( j==pTab->iPKey ){ chngRowid = 1; pRowidExpr = pChanges->a[i].pExpr; @@ -138068,7 +150979,7 @@ SQLITE_PRIVATE void sqlite3Update( testcase( pTab->aCol[j].colFlags & COLFLAG_STORED ); sqlite3ErrorMsg(pParse, "cannot UPDATE generated column \"%s\"", - pTab->aCol[j].zName); + pTab->aCol[j].zCnName); goto update_cleanup; } #endif @@ -138092,7 +151003,7 @@ SQLITE_PRIVATE void sqlite3Update( { int rc; rc = sqlite3AuthCheck(pParse, SQLITE_UPDATE, pTab->zName, - j<0 ? "ROWID" : pTab->aCol[j].zName, + j<0 ? "ROWID" : pTab->aCol[j].zCnName, db->aDb[iDb].zDbSName); if( rc==SQLITE_DENY ){ goto update_cleanup; @@ -138124,8 +151035,10 @@ SQLITE_PRIVATE void sqlite3Update( for(i=0; inCol; i++){ if( aXRef[i]>=0 ) continue; if( (pTab->aCol[i].colFlags & COLFLAG_GENERATED)==0 ) continue; - if( sqlite3ExprReferencesUpdatedColumn(pTab->aCol[i].pDflt, - aXRef, chngRowid) ){ + if( sqlite3ExprReferencesUpdatedColumn( + sqlite3ColumnExpr(pTab, &pTab->aCol[i]), + aXRef, chngRowid) + ){ aXRef[i] = 99999; bProgress = 1; } @@ -138244,6 +151157,7 @@ SQLITE_PRIVATE void sqlite3Update( if( (db->flags&SQLITE_CountRows)!=0 && !pParse->pTriggerTab && !pParse->nested + && !pParse->bReturning && pUpsert==0 ){ regRowCount = ++pParse->nMem; @@ -138252,6 +151166,8 @@ SQLITE_PRIVATE void sqlite3Update( if( nChangeFrom==0 && HasRowid(pTab) ){ sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid); + iEph = pParse->nTab++; + addrOpen = sqlite3VdbeAddOp3(v, OP_OpenEphemeral, iEph, 0, regRowSet); }else{ assert( pPk!=0 || HasRowid(pTab) ); nPk = pPk ? pPk->nKeyCol : 0; @@ -138302,15 +151218,25 @@ SQLITE_PRIVATE void sqlite3Update( /* Begin the database scan. ** ** Do not consider a single-pass strategy for a multi-row update if - ** there are any triggers or foreign keys to process, or rows may - ** be deleted as a result of REPLACE conflict handling. Any of these - ** things might disturb a cursor being used to scan through the table - ** or index, causing a single-pass approach to malfunction. */ - flags = WHERE_ONEPASS_DESIRED|WHERE_SEEK_UNIQ_TABLE; - if( !pParse->nested && !pTrigger && !hasFK && !chngKey && !bReplace ){ + ** there is anything that might disrupt the cursor being used to do + ** the UPDATE: + ** (1) This is a nested UPDATE + ** (2) There are triggers + ** (3) There are FOREIGN KEY constraints + ** (4) There are REPLACE conflict handlers + ** (5) There are subqueries in the WHERE clause + */ + flags = WHERE_ONEPASS_DESIRED; + if( !pParse->nested + && !pTrigger + && !hasFK + && !chngKey + && !bReplace + && (pWhere==0 || !ExprHasProperty(pWhere, EP_Subquery)) + ){ flags |= WHERE_ONEPASS_MULTIROW; } - pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, flags,iIdxCur); + pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere,0,0,0,flags,iIdxCur); if( pWInfo==0 ) goto update_cleanup; /* A one-pass strategy that might update more than one row may not @@ -138343,9 +151269,10 @@ SQLITE_PRIVATE void sqlite3Update( ** leave it in register regOldRowid. */ sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regOldRowid); if( eOnePass==ONEPASS_OFF ){ - /* We need to use regRowSet, so reallocate aRegIdx[nAllIdx] */ aRegIdx[nAllIdx] = ++pParse->nMem; - sqlite3VdbeAddOp2(v, OP_RowSetAdd, regRowSet, regOldRowid); + sqlite3VdbeAddOp3(v, OP_Insert, iEph, regRowSet, regOldRowid); + }else{ + if( ALWAYS(addrOpen) ) sqlite3VdbeChangeToNoop(v, addrOpen); } }else{ /* Read the PK of the current row into an array of registers. In @@ -138377,6 +151304,8 @@ SQLITE_PRIVATE void sqlite3Update( if( !isView ){ int addrOnce = 0; + int iNotUsed1 = 0; + int iNotUsed2 = 0; /* Open every index that needs updating. */ if( eOnePass!=ONEPASS_OFF ){ @@ -138388,7 +151317,7 @@ SQLITE_PRIVATE void sqlite3Update( addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenWrite, 0, iBaseCur, - aToOpen, 0, 0); + aToOpen, &iNotUsed1, &iNotUsed2); if( addrOnce ){ sqlite3VdbeJumpHereOrPopInst(v, addrOnce); } @@ -138396,7 +151325,12 @@ SQLITE_PRIVATE void sqlite3Update( /* Top of the update loop */ if( eOnePass!=ONEPASS_OFF ){ - if( !isView && aiCurOnePass[0]!=iDataCur && aiCurOnePass[1]!=iDataCur ){ + if( aiCurOnePass[0]!=iDataCur + && aiCurOnePass[1]!=iDataCur +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + && !isView +#endif + ){ assert( pPk ); sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelBreak, regKey,nKey); VdbeCoverage(v); @@ -138433,8 +151367,9 @@ SQLITE_PRIVATE void sqlite3Update( VdbeCoverage(v); } }else{ - labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet,labelBreak, - regOldRowid); + sqlite3VdbeAddOp2(v, OP_Rewind, iEph, labelBreak); VdbeCoverage(v); + labelContinue = sqlite3VdbeMakeLabel(pParse); + addrTop = sqlite3VdbeAddOp2(v, OP_Rowid, iEph, regOldRowid); VdbeCoverage(v); sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid); VdbeCoverage(v); @@ -138600,7 +151535,7 @@ SQLITE_PRIVATE void sqlite3Update( }else{ sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid); } - VdbeCoverageNeverTaken(v); + VdbeCoverage(v); } /* Do FK constraint checks. */ @@ -138673,8 +151608,10 @@ SQLITE_PRIVATE void sqlite3Update( sqlite3VdbeAddOp2(v, OP_AddImm, regRowCount, 1); } - sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, - TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, + TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + } /* Repeat the above with the next record to be updated, until ** all record selected by the WHERE clause have been updated. @@ -138684,11 +151621,9 @@ SQLITE_PRIVATE void sqlite3Update( }else if( eOnePass==ONEPASS_MULTI ){ sqlite3VdbeResolveLabel(v, labelContinue); sqlite3WhereEnd(pWInfo); - }else if( pPk || nChangeFrom ){ + }else{ sqlite3VdbeResolveLabel(v, labelContinue); sqlite3VdbeAddOp2(v, OP_Next, iEph, addrTop); VdbeCoverage(v); - }else{ - sqlite3VdbeGoto(v, labelContinue); } sqlite3VdbeResolveLabel(v, labelBreak); @@ -138705,9 +151640,7 @@ SQLITE_PRIVATE void sqlite3Update( ** that information. */ if( regRowCount ){ - sqlite3VdbeAddOp2(v, OP_ResultRow, regRowCount, 1); - sqlite3VdbeSetNumCols(v, 1); - sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows updated", SQLITE_STATIC); + sqlite3CodeChangeCount(v, regRowCount, "rows updated"); } update_cleanup: @@ -138773,7 +151706,7 @@ static void updateVirtualTable( int nArg = 2 + pTab->nCol; /* Number of arguments to VUpdate */ int regArg; /* First register in VUpdate arg array */ int regRec; /* Register in which to assemble record */ - int regRowid; /* Register for ephem table rowid */ + int regRowid; /* Register for ephemeral table rowid */ int iCsr = pSrc->a[0].iCursor; /* Cursor used for virtual table scan */ int aDummy[2]; /* Unused arg for sqlite3WhereOkOnePass() */ int eOnePass; /* True to use onepass strategy */ @@ -138788,12 +151721,26 @@ static void updateVirtualTable( regArg = pParse->nMem + 1; pParse->nMem += nArg; if( pSrc->nSrc>1 ){ + Index *pPk = 0; Expr *pRow; ExprList *pList; - if( pRowid ){ - pRow = sqlite3ExprDup(db, pRowid, 0); + if( HasRowid(pTab) ){ + if( pRowid ){ + pRow = sqlite3ExprDup(db, pRowid, 0); + }else{ + pRow = sqlite3PExpr(pParse, TK_ROW, 0, 0); + } }else{ - pRow = sqlite3PExpr(pParse, TK_ROW, 0, 0); + i16 iPk; /* PRIMARY KEY column */ + pPk = sqlite3PrimaryKeyIndex(pTab); + assert( pPk!=0 ); + assert( pPk->nKeyCol==1 ); + iPk = pPk->aiColumn[0]; + if( aXRef[iPk]>=0 ){ + pRow = sqlite3ExprDup(db, pChanges->a[aXRef[iPk]].pExpr, 0); + }else{ + pRow = exprRowColumn(pParse, iPk); + } } pList = sqlite3ExprListAppend(pParse, 0, pRow); @@ -138803,11 +151750,13 @@ static void updateVirtualTable( sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0) ); }else{ - pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); + Expr *pRowExpr = exprRowColumn(pParse, i); + if( pRowExpr ) pRowExpr->op2 = OPFLAG_NOCHNG; + pList = sqlite3ExprListAppend(pParse, pList, pRowExpr); } } - updateFromSelect(pParse, ephemTab, 0, pList, pSrc, pWhere, 0, 0); + updateFromSelect(pParse, ephemTab, pPk, pList, pSrc, pWhere, 0, 0); sqlite3ExprListDelete(db, pList); eOnePass = ONEPASS_OFF; }else{ @@ -138815,7 +151764,9 @@ static void updateVirtualTable( regRowid = ++pParse->nMem; /* Start scanning the virtual table */ - pWInfo = sqlite3WhereBegin(pParse, pSrc,pWhere,0,0,WHERE_ONEPASS_DESIRED,0); + pWInfo = sqlite3WhereBegin( + pParse, pSrc, pWhere, 0, 0, 0, WHERE_ONEPASS_DESIRED, 0 + ); if( pWInfo==0 ) return; /* Populate the argument registers. */ @@ -138878,7 +151829,7 @@ static void updateVirtualTable( sqlite3WhereEnd(pWInfo); } - /* Begin scannning through the ephemeral table. */ + /* Begin scanning through the ephemeral table. */ addr = sqlite3VdbeAddOp1(v, OP_Rewind, ephemTab); VdbeCoverage(v); /* Extract arguments from the current row of the ephemeral table and @@ -138926,16 +151877,23 @@ static void updateVirtualTable( /* ** Free a list of Upsert objects */ -SQLITE_PRIVATE void sqlite3UpsertDelete(sqlite3 *db, Upsert *p){ - if( p ){ +static void SQLITE_NOINLINE upsertDelete(sqlite3 *db, Upsert *p){ + do{ + Upsert *pNext = p->pNextUpsert; sqlite3ExprListDelete(db, p->pUpsertTarget); sqlite3ExprDelete(db, p->pUpsertTargetWhere); sqlite3ExprListDelete(db, p->pUpsertSet); sqlite3ExprDelete(db, p->pUpsertWhere); + sqlite3DbFree(db, p->pToFree); sqlite3DbFree(db, p); - } + p = pNext; + }while( p ); +} +SQLITE_PRIVATE void sqlite3UpsertDelete(sqlite3 *db, Upsert *p){ + if( p ) upsertDelete(db, p); } + /* ** Duplicate an Upsert object. */ @@ -138945,7 +151903,8 @@ SQLITE_PRIVATE Upsert *sqlite3UpsertDup(sqlite3 *db, Upsert *p){ sqlite3ExprListDup(db, p->pUpsertTarget, 0), sqlite3ExprDup(db, p->pUpsertTargetWhere, 0), sqlite3ExprListDup(db, p->pUpsertSet, 0), - sqlite3ExprDup(db, p->pUpsertWhere, 0) + sqlite3ExprDup(db, p->pUpsertWhere, 0), + sqlite3UpsertDup(db, p->pNextUpsert) ); } @@ -138957,22 +151916,25 @@ SQLITE_PRIVATE Upsert *sqlite3UpsertNew( ExprList *pTarget, /* Target argument to ON CONFLICT, or NULL */ Expr *pTargetWhere, /* Optional WHERE clause on the target */ ExprList *pSet, /* UPDATE columns, or NULL for a DO NOTHING */ - Expr *pWhere /* WHERE clause for the ON CONFLICT UPDATE */ + Expr *pWhere, /* WHERE clause for the ON CONFLICT UPDATE */ + Upsert *pNext /* Next ON CONFLICT clause in the list */ ){ Upsert *pNew; - pNew = sqlite3DbMallocRaw(db, sizeof(Upsert)); + pNew = sqlite3DbMallocZero(db, sizeof(Upsert)); if( pNew==0 ){ sqlite3ExprListDelete(db, pTarget); sqlite3ExprDelete(db, pTargetWhere); sqlite3ExprListDelete(db, pSet); sqlite3ExprDelete(db, pWhere); + sqlite3UpsertDelete(db, pNext); return 0; }else{ pNew->pUpsertTarget = pTarget; pNew->pUpsertTargetWhere = pTargetWhere; pNew->pUpsertSet = pSet; pNew->pUpsertWhere = pWhere; - pNew->pUpsertIdx = 0; + pNew->isDoUpdate = pSet!=0; + pNew->pNextUpsert = pNext; } return pNew; } @@ -138997,6 +151959,7 @@ SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget( Expr *pTerm; /* One term of the conflict-target clause */ NameContext sNC; /* Context for resolving symbolic names */ Expr sCol[2]; /* Index column converted into an Expr */ + int nClause = 0; /* Counter of ON CONFLICT clauses */ assert( pTabList->nSrc==1 ); assert( pTabList->a[0].pTab!=0 ); @@ -139010,87 +151973,132 @@ SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget( memset(&sNC, 0, sizeof(sNC)); sNC.pParse = pParse; sNC.pSrcList = pTabList; - rc = sqlite3ResolveExprListNames(&sNC, pUpsert->pUpsertTarget); - if( rc ) return rc; - rc = sqlite3ResolveExprNames(&sNC, pUpsert->pUpsertTargetWhere); - if( rc ) return rc; + for(; pUpsert && pUpsert->pUpsertTarget; + pUpsert=pUpsert->pNextUpsert, nClause++){ + rc = sqlite3ResolveExprListNames(&sNC, pUpsert->pUpsertTarget); + if( rc ) return rc; + rc = sqlite3ResolveExprNames(&sNC, pUpsert->pUpsertTargetWhere); + if( rc ) return rc; - /* Check to see if the conflict target matches the rowid. */ - pTab = pTabList->a[0].pTab; - pTarget = pUpsert->pUpsertTarget; - iCursor = pTabList->a[0].iCursor; - if( HasRowid(pTab) - && pTarget->nExpr==1 - && (pTerm = pTarget->a[0].pExpr)->op==TK_COLUMN - && pTerm->iColumn==XN_ROWID - ){ - /* The conflict-target is the rowid of the primary table */ - assert( pUpsert->pUpsertIdx==0 ); - return SQLITE_OK; - } + /* Check to see if the conflict target matches the rowid. */ + pTab = pTabList->a[0].pTab; + pTarget = pUpsert->pUpsertTarget; + iCursor = pTabList->a[0].iCursor; + if( HasRowid(pTab) + && pTarget->nExpr==1 + && (pTerm = pTarget->a[0].pExpr)->op==TK_COLUMN + && pTerm->iColumn==XN_ROWID + ){ + /* The conflict-target is the rowid of the primary table */ + assert( pUpsert->pUpsertIdx==0 ); + continue; + } - /* Initialize sCol[0..1] to be an expression parse tree for a - ** single column of an index. The sCol[0] node will be the TK_COLLATE - ** operator and sCol[1] will be the TK_COLUMN operator. Code below - ** will populate the specific collation and column number values - ** prior to comparing against the conflict-target expression. - */ - memset(sCol, 0, sizeof(sCol)); - sCol[0].op = TK_COLLATE; - sCol[0].pLeft = &sCol[1]; - sCol[1].op = TK_COLUMN; - sCol[1].iTable = pTabList->a[0].iCursor; + /* Initialize sCol[0..1] to be an expression parse tree for a + ** single column of an index. The sCol[0] node will be the TK_COLLATE + ** operator and sCol[1] will be the TK_COLUMN operator. Code below + ** will populate the specific collation and column number values + ** prior to comparing against the conflict-target expression. + */ + memset(sCol, 0, sizeof(sCol)); + sCol[0].op = TK_COLLATE; + sCol[0].pLeft = &sCol[1]; + sCol[1].op = TK_COLUMN; + sCol[1].iTable = pTabList->a[0].iCursor; - /* Check for matches against other indexes */ - for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - int ii, jj, nn; - if( !IsUniqueIndex(pIdx) ) continue; - if( pTarget->nExpr!=pIdx->nKeyCol ) continue; - if( pIdx->pPartIdxWhere ){ - if( pUpsert->pUpsertTargetWhere==0 ) continue; - if( sqlite3ExprCompare(pParse, pUpsert->pUpsertTargetWhere, - pIdx->pPartIdxWhere, iCursor)!=0 ){ - continue; + /* Check for matches against other indexes */ + for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + int ii, jj, nn; + if( !IsUniqueIndex(pIdx) ) continue; + if( pTarget->nExpr!=pIdx->nKeyCol ) continue; + if( pIdx->pPartIdxWhere ){ + if( pUpsert->pUpsertTargetWhere==0 ) continue; + if( sqlite3ExprCompare(pParse, pUpsert->pUpsertTargetWhere, + pIdx->pPartIdxWhere, iCursor)!=0 ){ + continue; + } } - } - nn = pIdx->nKeyCol; - for(ii=0; iiazColl[ii]; - if( pIdx->aiColumn[ii]==XN_EXPR ){ - assert( pIdx->aColExpr!=0 ); - assert( pIdx->aColExpr->nExpr>ii ); - pExpr = pIdx->aColExpr->a[ii].pExpr; - if( pExpr->op!=TK_COLLATE ){ - sCol[0].pLeft = pExpr; + nn = pIdx->nKeyCol; + for(ii=0; iiazColl[ii]; + if( pIdx->aiColumn[ii]==XN_EXPR ){ + assert( pIdx->aColExpr!=0 ); + assert( pIdx->aColExpr->nExpr>ii ); + assert( pIdx->bHasExpr ); + pExpr = pIdx->aColExpr->a[ii].pExpr; + if( pExpr->op!=TK_COLLATE ){ + sCol[0].pLeft = pExpr; + pExpr = &sCol[0]; + } + }else{ + sCol[0].pLeft = &sCol[1]; + sCol[1].iColumn = pIdx->aiColumn[ii]; pExpr = &sCol[0]; } - }else{ - sCol[0].pLeft = &sCol[1]; - sCol[1].iColumn = pIdx->aiColumn[ii]; - pExpr = &sCol[0]; - } - for(jj=0; jja[jj].pExpr, pExpr,iCursor)<2 ){ - break; /* Column ii of the index matches column jj of target */ + for(jj=0; jja[jj].pExpr,pExpr,iCursor)<2 ){ + break; /* Column ii of the index matches column jj of target */ + } + } + if( jj>=nn ){ + /* The target contains no match for column jj of the index */ + break; } } - if( jj>=nn ){ - /* The target contains no match for column jj of the index */ - break; + if( iipUpsertIdx = pIdx; + break; } - if( iipUpsertIdx==0 ){ + char zWhich[16]; + if( nClause==0 && pUpsert->pNextUpsert==0 ){ + zWhich[0] = 0; + }else{ + sqlite3_snprintf(sizeof(zWhich),zWhich,"%r ", nClause+1); + } + sqlite3ErrorMsg(pParse, "%sON CONFLICT clause does not match any " + "PRIMARY KEY or UNIQUE constraint", zWhich); + return SQLITE_ERROR; } - pUpsert->pUpsertIdx = pIdx; - return SQLITE_OK; } - sqlite3ErrorMsg(pParse, "ON CONFLICT clause does not match any " - "PRIMARY KEY or UNIQUE constraint"); - return SQLITE_ERROR; + return SQLITE_OK; +} + +/* +** Return true if pUpsert is the last ON CONFLICT clause with a +** conflict target, or if pUpsert is followed by another ON CONFLICT +** clause that targets the INTEGER PRIMARY KEY. +*/ +SQLITE_PRIVATE int sqlite3UpsertNextIsIPK(Upsert *pUpsert){ + Upsert *pNext; + if( NEVER(pUpsert==0) ) return 0; + pNext = pUpsert->pNextUpsert; + if( pNext==0 ) return 1; + if( pNext->pUpsertTarget==0 ) return 1; + if( pNext->pUpsertIdx==0 ) return 1; + return 0; +} + +/* +** Given the list of ON CONFLICT clauses described by pUpsert, and +** a particular index pIdx, return a pointer to the particular ON CONFLICT +** clause that applies to the index. Or, if the index is not subject to +** any ON CONFLICT clause, return NULL. +*/ +SQLITE_PRIVATE Upsert *sqlite3UpsertOfIndex(Upsert *pUpsert, Index *pIdx){ + while( + pUpsert + && pUpsert->pUpsertTarget!=0 + && pUpsert->pUpsertIdx!=pIdx + ){ + pUpsert = pUpsert->pNextUpsert; + } + return pUpsert; } /* @@ -139114,11 +152122,13 @@ SQLITE_PRIVATE void sqlite3UpsertDoUpdate( SrcList *pSrc; /* FROM clause for the UPDATE */ int iDataCur; int i; + Upsert *pTop = pUpsert; assert( v!=0 ); assert( pUpsert!=0 ); - VdbeNoopComment((v, "Begin DO UPDATE of UPSERT")); iDataCur = pUpsert->iDataCur; + pUpsert = sqlite3UpsertOfIndex(pTop, pIdx); + VdbeNoopComment((v, "Begin DO UPDATE of UPSERT")); if( pIdx && iCur!=iDataCur ){ if( HasRowid(pTab) ){ int regRowid = sqlite3GetTempReg(pParse); @@ -139137,7 +152147,7 @@ SQLITE_PRIVATE void sqlite3UpsertDoUpdate( k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[i]); sqlite3VdbeAddOp3(v, OP_Column, iCur, k, iPk+i); VdbeComment((v, "%s.%s", pIdx->zName, - pTab->aCol[pPk->aiColumn[i]].zName)); + pTab->aCol[pPk->aiColumn[i]].zCnName)); } sqlite3VdbeVerifyAbortable(v, OE_Abort); i = sqlite3VdbeAddOp4Int(v, OP_Found, iDataCur, 0, iPk, nPk); @@ -139148,19 +152158,17 @@ SQLITE_PRIVATE void sqlite3UpsertDoUpdate( sqlite3VdbeJumpHere(v, i); } } - /* pUpsert does not own pUpsertSrc - the outer INSERT statement does. So - ** we have to make a copy before passing it down into sqlite3Update() */ - pSrc = sqlite3SrcListDup(db, pUpsert->pUpsertSrc, 0); + /* pUpsert does not own pTop->pUpsertSrc - the outer INSERT statement does. + ** So we have to make a copy before passing it down into sqlite3Update() */ + pSrc = sqlite3SrcListDup(db, pTop->pUpsertSrc, 0); /* excluded.* columns of type REAL need to be converted to a hard real */ for(i=0; inCol; i++){ if( pTab->aCol[i].affinity==SQLITE_AFF_REAL ){ - sqlite3VdbeAddOp1(v, OP_RealAffinity, pUpsert->regData+i); + sqlite3VdbeAddOp1(v, OP_RealAffinity, pTop->regData+i); } } - sqlite3Update(pParse, pSrc, pUpsert->pUpsertSet, - pUpsert->pUpsertWhere, OE_Abort, 0, 0, pUpsert); - pUpsert->pUpsertSet = 0; /* Will have been deleted by sqlite3Update() */ - pUpsert->pUpsertWhere = 0; /* Will have been deleted by sqlite3Update() */ + sqlite3Update(pParse, pSrc, sqlite3ExprListDup(db,pUpsert->pUpsertSet,0), + sqlite3ExprDup(db,pUpsert->pUpsertWhere,0), OE_Abort, 0, 0, pUpsert); VdbeNoopComment((v, "End DO UPDATE of UPSERT")); } @@ -139321,8 +152329,8 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( Btree *pTemp; /* The temporary database we vacuum into */ u32 saved_mDbFlags; /* Saved value of db->mDbFlags */ u64 saved_flags; /* Saved value of db->flags */ - int saved_nChange; /* Saved value of db->nChange */ - int saved_nTotalChange; /* Saved value of db->nTotalChange */ + i64 saved_nChange; /* Saved value of db->nChange */ + i64 saved_nTotalChange; /* Saved value of db->nTotalChange */ u32 saved_openFlags; /* Saved value of db->openFlags */ u8 saved_mTrace; /* Saved trace settings */ Db *pDb = 0; /* Database to detach at end of vacuum */ @@ -139331,6 +152339,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( int nDb; /* Number of attached databases */ const char *zDbMain; /* Schema name of database to vacuum */ const char *zOut; /* Name of output file */ + u32 pgflags = PAGER_SYNCHRONOUS_OFF; /* sync flags for output db */ if( !db->autoCommit ){ sqlite3SetString(pzErrMsg, db, "cannot VACUUM from within a transaction"); @@ -139377,7 +152386,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( ** (possibly synchronous) transaction opened on the main database before ** sqlite3BtreeCopyFile() is called. ** - ** An optimisation would be to use a non-journaled pager. + ** An optimization would be to use a non-journaled pager. ** (Later:) I tried setting "PRAGMA vacuum_db.journal_mode=OFF" but ** that actually made the VACUUM run slower. Very little journalling ** actually occurs when doing a vacuum since the vacuum_db is initially @@ -139402,12 +152411,17 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( goto end_of_vacuum; } db->mDbFlags |= DBFLAG_VacuumInto; + + /* For a VACUUM INTO, the pager-flags are set to the same values as + ** they are for the database being vacuumed, except that PAGER_CACHESPILL + ** is always set. */ + pgflags = db->aDb[iDb].safety_level | (db->flags & PAGER_FLAGS_MASK); } nRes = sqlite3BtreeGetRequestedReserve(pMain); sqlite3BtreeSetCacheSize(pTemp, db->aDb[iDb].pSchema->cache_size); sqlite3BtreeSetSpillSize(pTemp, sqlite3BtreeSetSpillSize(pMain,0)); - sqlite3BtreeSetPagerFlags(pTemp, PAGER_SYNCHRONOUS_OFF|PAGER_CACHESPILL); + sqlite3BtreeSetPagerFlags(pTemp, pgflags|PAGER_CACHESPILL); /* Begin a transaction and take an exclusive lock on the main database ** file. This is done before the sqlite3BtreeGetPageSize(pMain) call below, @@ -139420,7 +152434,9 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( /* Do not attempt to change the page size for a WAL database */ if( sqlite3PagerGetJournalMode(sqlite3BtreePager(pMain)) - ==PAGER_JOURNALMODE_WAL ){ + ==PAGER_JOURNALMODE_WAL + && pOut==0 + ){ db->nextPagesize = 0; } @@ -139509,8 +152525,8 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( BTREE_APPLICATION_ID, 0, /* Preserve the application id */ }; - assert( 1==sqlite3BtreeIsInTrans(pTemp) ); - assert( pOut!=0 || 1==sqlite3BtreeIsInTrans(pMain) ); + assert( SQLITE_TXN_WRITE==sqlite3BtreeTxnState(pTemp) ); + assert( pOut!=0 || SQLITE_TXN_WRITE==sqlite3BtreeTxnState(pMain) ); /* Copy Btree meta values */ for(i=0; ipVTable; pVtab && pVtab->db!=db; pVtab=pVtab->pNext); + for(pVtab=pTab->u.vtab.p; pVtab && pVtab->db!=db; pVtab=pVtab->pNext); return pVtab; } @@ -139782,36 +152799,40 @@ SQLITE_PRIVATE void sqlite3VtabUnlock(VTable *pVTab){ assert( db ); assert( pVTab->nRef>0 ); - assert( db->magic==SQLITE_MAGIC_OPEN || db->magic==SQLITE_MAGIC_ZOMBIE ); + assert( db->eOpenState==SQLITE_STATE_OPEN + || db->eOpenState==SQLITE_STATE_ZOMBIE ); pVTab->nRef--; if( pVTab->nRef==0 ){ sqlite3_vtab *p = pVTab->pVtab; - sqlite3VtabModuleUnref(pVTab->db, pVTab->pMod); if( p ){ p->pModule->xDisconnect(p); } + sqlite3VtabModuleUnref(pVTab->db, pVTab->pMod); sqlite3DbFree(db, pVTab); } } /* ** Table p is a virtual table. This function moves all elements in the -** p->pVTable list to the sqlite3.pDisconnect lists of their associated +** p->u.vtab.p list to the sqlite3.pDisconnect lists of their associated ** database connections to be disconnected at the next opportunity. ** Except, if argument db is not NULL, then the entry associated with -** connection db is left in the p->pVTable list. +** connection db is left in the p->u.vtab.p list. */ static VTable *vtabDisconnectAll(sqlite3 *db, Table *p){ VTable *pRet = 0; - VTable *pVTable = p->pVTable; - p->pVTable = 0; + VTable *pVTable; + + assert( IsVirtual(p) ); + pVTable = p->u.vtab.p; + p->u.vtab.p = 0; /* Assert that the mutex (if any) associated with the BtShared database ** that contains table p is held by the caller. See header comments ** above function sqlite3VtabUnlockList() for an explanation of why ** this makes it safe to access the sqlite3.pDisconnect list of any - ** database connection that may have an entry in the p->pVTable list. + ** database connection that may have an entry in the p->u.vtab.p list. */ assert( db==0 || sqlite3SchemaMutexHeld(db, 0, p->pSchema) ); @@ -139821,7 +152842,7 @@ static VTable *vtabDisconnectAll(sqlite3 *db, Table *p){ assert( db2 ); if( db2==db ){ pRet = pVTable; - p->pVTable = pRet; + p->u.vtab.p = pRet; pRet->pNext = 0; }else{ pVTable->pNext = db2->pDisconnect; @@ -139849,7 +152870,7 @@ SQLITE_PRIVATE void sqlite3VtabDisconnect(sqlite3 *db, Table *p){ assert( sqlite3BtreeHoldsAllMutexes(db) ); assert( sqlite3_mutex_held(db->mutex) ); - for(ppVTab=&p->pVTable; *ppVTab; ppVTab=&(*ppVTab)->pNext){ + for(ppVTab=&p->u.vtab.p; *ppVTab; ppVTab=&(*ppVTab)->pNext){ if( (*ppVTab)->db==db ){ VTable *pVTab = *ppVTab; *ppVTab = pVTab->pNext; @@ -139912,37 +152933,42 @@ SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3 *db){ ** database connection. */ SQLITE_PRIVATE void sqlite3VtabClear(sqlite3 *db, Table *p){ - if( !db || db->pnBytesFreed==0 ) vtabDisconnectAll(0, p); - if( p->azModuleArg ){ + assert( IsVirtual(p) ); + assert( db!=0 ); + if( db->pnBytesFreed==0 ) vtabDisconnectAll(0, p); + if( p->u.vtab.azArg ){ int i; - for(i=0; inModuleArg; i++){ - if( i!=1 ) sqlite3DbFree(db, p->azModuleArg[i]); + for(i=0; iu.vtab.nArg; i++){ + if( i!=1 ) sqlite3DbFree(db, p->u.vtab.azArg[i]); } - sqlite3DbFree(db, p->azModuleArg); + sqlite3DbFree(db, p->u.vtab.azArg); } } /* -** Add a new module argument to pTable->azModuleArg[]. +** Add a new module argument to pTable->u.vtab.azArg[]. ** The string is not copied - the pointer is stored. The ** string will be freed automatically when the table is ** deleted. */ static void addModuleArgument(Parse *pParse, Table *pTable, char *zArg){ - sqlite3_int64 nBytes = sizeof(char *)*(2+pTable->nModuleArg); + sqlite3_int64 nBytes; char **azModuleArg; sqlite3 *db = pParse->db; - if( pTable->nModuleArg+3>=db->aLimit[SQLITE_LIMIT_COLUMN] ){ + + assert( IsVirtual(pTable) ); + nBytes = sizeof(char *)*(2+pTable->u.vtab.nArg); + if( pTable->u.vtab.nArg+3>=db->aLimit[SQLITE_LIMIT_COLUMN] ){ sqlite3ErrorMsg(pParse, "too many columns on %s", pTable->zName); } - azModuleArg = sqlite3DbRealloc(db, pTable->azModuleArg, nBytes); + azModuleArg = sqlite3DbRealloc(db, pTable->u.vtab.azArg, nBytes); if( azModuleArg==0 ){ sqlite3DbFree(db, zArg); }else{ - int i = pTable->nModuleArg++; + int i = pTable->u.vtab.nArg++; azModuleArg[i] = zArg; azModuleArg[i+1] = 0; - pTable->azModuleArg = azModuleArg; + pTable->u.vtab.azArg = azModuleArg; } } @@ -139965,10 +152991,11 @@ SQLITE_PRIVATE void sqlite3VtabBeginParse( pTable = pParse->pNewTable; if( pTable==0 ) return; assert( 0==pTable->pIndex ); + pTable->eTabType = TABTYP_VTAB; db = pParse->db; - assert( pTable->nModuleArg==0 ); + assert( pTable->u.vtab.nArg==0 ); addModuleArgument(pParse, pTable, sqlite3NameFromToken(db, pModuleName)); addModuleArgument(pParse, pTable, 0); addModuleArgument(pParse, pTable, sqlite3DbStrDup(db, pTable->zName)); @@ -139985,11 +153012,11 @@ SQLITE_PRIVATE void sqlite3VtabBeginParse( ** sqlite_schema table, has already been made by sqlite3StartTable(). ** The second call, to obtain permission to create the table, is made now. */ - if( pTable->azModuleArg ){ + if( pTable->u.vtab.azArg ){ int iDb = sqlite3SchemaToIndex(db, pTable->pSchema); assert( iDb>=0 ); /* The database the table is being created in */ sqlite3AuthCheck(pParse, SQLITE_CREATE_VTABLE, pTable->zName, - pTable->azModuleArg[0], pParse->db->aDb[iDb].zDbSName); + pTable->u.vtab.azArg[0], pParse->db->aDb[iDb].zDbSName); } #endif } @@ -140017,9 +153044,10 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ sqlite3 *db = pParse->db; /* The database connection */ if( pTab==0 ) return; + assert( IsVirtual(pTab) ); addArgumentToVtab(pParse); pParse->sArg.z = 0; - if( pTab->nModuleArg<1 ) return; + if( pTab->u.vtab.nArg<1 ) return; /* If the CREATE VIRTUAL TABLE statement is being entered for the ** first time (in other words if the virtual table is actually being @@ -140047,12 +153075,12 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ ** the information we've collected. ** ** The VM register number pParse->regRowid holds the rowid of an - ** entry in the sqlite_schema table tht was created for this vtab + ** entry in the sqlite_schema table that was created for this vtab ** by sqlite3StartTable(). */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); sqlite3NestedParse(pParse, - "UPDATE %Q." DFLT_SCHEMA_TABLE " " + "UPDATE %Q." LEGACY_SCHEMA_TABLE " " "SET type='table', name=%Q, tbl_name=%Q, rootpage=0, sql=%Q " "WHERE rowid=#%d", db->aDb[iDb].zDbSName, @@ -140066,24 +153094,20 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ sqlite3VdbeAddOp0(v, OP_Expire); zWhere = sqlite3MPrintf(db, "name=%Q AND sql=%Q", pTab->zName, zStmt); - sqlite3VdbeAddParseSchemaOp(v, iDb, zWhere); + sqlite3VdbeAddParseSchemaOp(v, iDb, zWhere, 0); sqlite3DbFree(db, zStmt); iReg = ++pParse->nMem; sqlite3VdbeLoadString(v, iReg, pTab->zName); sqlite3VdbeAddOp2(v, OP_VCreate, iDb, iReg); - } - - /* If we are rereading the sqlite_schema table create the in-memory - ** record of the table. The xConnect() method is not called until - ** the first time the virtual table is used in an SQL statement. This - ** allows a schema that contains virtual tables to be loaded before - ** the required virtual table implementations are registered. */ - else { + }else{ + /* If we are rereading the sqlite_schema table create the in-memory + ** record of the table. */ Table *pOld; Schema *pSchema = pTab->pSchema; const char *zName = pTab->zName; - assert( sqlite3SchemaMutexHeld(db, 0, pSchema) ); + assert( zName!=0 ); + sqlite3MarkAllShadowTablesOf(db, pTab); pOld = sqlite3HashInsert(&pSchema->tblHash, zName, pTab); if( pOld ){ sqlite3OomFault(db); @@ -140134,13 +153158,16 @@ static int vtabCallConstructor( VtabCtx sCtx; VTable *pVTable; int rc; - const char *const*azArg = (const char *const*)pTab->azModuleArg; - int nArg = pTab->nModuleArg; + const char *const*azArg; + int nArg = pTab->u.vtab.nArg; char *zErr = 0; char *zModuleName; int iDb; VtabCtx *pCtx; + assert( IsVirtual(pTab) ); + azArg = (const char *const*)pTab->u.vtab.azArg; + /* Check that the virtual-table is not already being initialized */ for(pCtx=db->pVtabCtx; pCtx; pCtx=pCtx->pPrior){ if( pCtx->pTab==pTab ){ @@ -140167,7 +153194,7 @@ static int vtabCallConstructor( pVTable->eVtabRisk = SQLITE_VTABRISK_Normal; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); - pTab->azModuleArg[1] = db->aDb[iDb].zDbSName; + pTab->u.vtab.azArg[1] = db->aDb[iDb].zDbSName; /* Invoke the virtual table constructor */ assert( &db->pVtabCtx ); @@ -140177,7 +153204,9 @@ static int vtabCallConstructor( sCtx.pPrior = db->pVtabCtx; sCtx.bDeclared = 0; db->pVtabCtx = &sCtx; + pTab->nTabRef++; rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr); + sqlite3DeleteTable(db, pTab); db->pVtabCtx = sCtx.pPrior; if( rc==SQLITE_NOMEM ) sqlite3OomFault(db); assert( sCtx.pTab==pTab ); @@ -140206,12 +153235,12 @@ static int vtabCallConstructor( int iCol; u16 oooHidden = 0; /* If everything went according to plan, link the new VTable structure - ** into the linked list headed by pTab->pVTable. Then loop through the + ** into the linked list headed by pTab->u.vtab.p. Then loop through the ** columns of the table to see if any of them contain the token "hidden". ** If so, set the Column COLFLAG_HIDDEN flag and remove the token from ** the type string. */ - pVTable->pNext = pTab->pVTable; - pTab->pVTable = pVTable; + pVTable->pNext = pTab->u.vtab.p; + pTab->u.vtab.p = pVTable; for(iCol=0; iColnCol; iCol++){ char *zType = sqlite3ColumnType(&pTab->aCol[iCol], ""); @@ -140237,6 +153266,7 @@ static int vtabCallConstructor( zType[i-1] = '\0'; } pTab->aCol[iCol].colFlags |= COLFLAG_HIDDEN; + pTab->tabFlags |= TF_HasHidden; oooHidden = TF_OOOHidden; }else{ pTab->tabFlags |= oooHidden; @@ -140263,16 +153293,17 @@ SQLITE_PRIVATE int sqlite3VtabCallConnect(Parse *pParse, Table *pTab){ int rc; assert( pTab ); - if( !IsVirtual(pTab) || sqlite3GetVTable(db, pTab) ){ + assert( IsVirtual(pTab) ); + if( sqlite3GetVTable(db, pTab) ){ return SQLITE_OK; } /* Locate the required virtual table module */ - zMod = pTab->azModuleArg[0]; + zMod = pTab->u.vtab.azArg[0]; pMod = (Module*)sqlite3HashFind(&db->aModule, zMod); if( !pMod ){ - const char *zModule = pTab->azModuleArg[0]; + const char *zModule = pTab->u.vtab.azArg[0]; sqlite3ErrorMsg(pParse, "no such module: %s", zModule); rc = SQLITE_ERROR; }else{ @@ -140335,10 +153366,10 @@ SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3 *db, int iDb, const char *zTab, const char *zMod; pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zDbSName); - assert( pTab && IsVirtual(pTab) && !pTab->pVTable ); + assert( pTab && IsVirtual(pTab) && !pTab->u.vtab.p ); /* Locate the required virtual table module */ - zMod = pTab->azModuleArg[0]; + zMod = pTab->u.vtab.azArg[0]; pMod = (Module*)sqlite3HashFind(&db->aModule, zMod); /* If the module has been registered and includes a Create method, @@ -140373,8 +153404,8 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ VtabCtx *pCtx; int rc = SQLITE_OK; Table *pTab; - char *zErr = 0; Parse sParse; + int initBusy; #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) || zCreateTable==0 ){ @@ -140391,21 +153422,28 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ pTab = pCtx->pTab; assert( IsVirtual(pTab) ); - memset(&sParse, 0, sizeof(sParse)); + sqlite3ParseObjectInit(&sParse, db); sParse.eParseMode = PARSE_MODE_DECLARE_VTAB; - sParse.db = db; + sParse.disableTriggers = 1; + /* We should never be able to reach this point while loading the + ** schema. Nevertheless, defend against that (turn off db->init.busy) + ** in case a bug arises. */ + assert( db->init.busy==0 ); + initBusy = db->init.busy; + db->init.busy = 0; sParse.nQueryLoop = 1; - if( SQLITE_OK==sqlite3RunParser(&sParse, zCreateTable, &zErr) - && sParse.pNewTable - && !db->mallocFailed - && !sParse.pNewTable->pSelect - && !IsVirtual(sParse.pNewTable) + if( SQLITE_OK==sqlite3RunParser(&sParse, zCreateTable) + && ALWAYS(sParse.pNewTable!=0) + && ALWAYS(!db->mallocFailed) + && IsOrdinaryTable(sParse.pNewTable) ){ + assert( sParse.zErrMsg==0 ); if( !pTab->aCol ){ Table *pNew = sParse.pNewTable; Index *pIdx; pTab->aCol = pNew->aCol; - pTab->nCol = pNew->nCol; + sqlite3ExprListDelete(db, pNew->u.tab.pDfltList); + pTab->nNVCol = pTab->nCol = pNew->nCol; pTab->tabFlags |= pNew->tabFlags & (TF_WithoutRowid|TF_NoVisibleRowid); pNew->nCol = 0; pNew->aCol = 0; @@ -140429,8 +153467,9 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ } pCtx->bDeclared = 1; }else{ - sqlite3ErrorWithMsg(db, SQLITE_ERROR, (zErr ? "%s" : 0), zErr); - sqlite3DbFree(db, zErr); + sqlite3ErrorWithMsg(db, SQLITE_ERROR, + (sParse.zErrMsg ? "%s" : 0), sParse.zErrMsg); + sqlite3DbFree(db, sParse.zErrMsg); rc = SQLITE_ERROR; } sParse.eParseMode = PARSE_MODE_NORMAL; @@ -140439,7 +153478,8 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ sqlite3VdbeFinalize(sParse.pVdbe); } sqlite3DeleteTable(db, sParse.pNewTable); - sqlite3ParserReset(&sParse); + sqlite3ParseObjectReset(&sParse); + db->init.busy = initBusy; assert( (rc&0xff)==rc ); rc = sqlite3ApiExit(db, rc); @@ -140459,10 +153499,13 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab Table *pTab; pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zDbSName); - if( pTab!=0 && ALWAYS(pTab->pVTable!=0) ){ + if( ALWAYS(pTab!=0) + && ALWAYS(IsVirtual(pTab)) + && ALWAYS(pTab->u.vtab.p!=0) + ){ VTable *p; int (*xDestroy)(sqlite3_vtab *); - for(p=pTab->pVTable; p; p=p->pNext){ + for(p=pTab->u.vtab.p; p; p=p->pNext){ assert( p->pVtab ); if( p->pVtab->nRef>0 ){ return SQLITE_LOCKED; @@ -140476,9 +153519,9 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab rc = xDestroy(p->pVtab); /* Remove the sqlite3_vtab* from the aVTrans[] array, if applicable */ if( rc==SQLITE_OK ){ - assert( pTab->pVTable==p && p->pNext==0 ); + assert( pTab->u.vtab.p==p && p->pNext==0 ); p->pVtab = 0; - pTab->pVTable = 0; + pTab->u.vtab.p = 0; sqlite3VtabUnlock(p); } sqlite3DeleteTable(db, pTab); @@ -140653,7 +153696,10 @@ SQLITE_PRIVATE int sqlite3VtabSavepoint(sqlite3 *db, int op, int iSavepoint){ break; } if( xMethod && pVTab->iSavepoint>iSavepoint ){ + u64 savedFlags = (db->flags & SQLITE_Defensive); + db->flags &= ~(u64)SQLITE_Defensive; rc = xMethod(pVTab->pVtab, iSavepoint); + db->flags |= savedFlags; } sqlite3VtabUnlock(pVTab); } @@ -140692,8 +153738,9 @@ SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction( /* Check to see the left operand is a column in a virtual table */ if( NEVER(pExpr==0) ) return pDef; if( pExpr->op!=TK_COLUMN ) return pDef; + assert( ExprUseYTab(pExpr) ); pTab = pExpr->y.pTab; - if( pTab==0 ) return pDef; + if( NEVER(pTab==0) ) return pDef; if( !IsVirtual(pTab) ) return pDef; pVtab = sqlite3GetVTable(db, pTab)->pVtab; assert( pVtab!=0 ); @@ -140766,12 +153813,13 @@ SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){ /* ** Check to see if virtual table module pMod can be have an eponymous ** virtual table instance. If it can, create one if one does not already -** exist. Return non-zero if the eponymous virtual table instance exists -** when this routine returns, and return zero if it does not exist. +** exist. Return non-zero if either the eponymous virtual table instance +** exists when this routine returns or if an attempt to create it failed +** and an error message was left in pParse. ** ** An eponymous virtual table instance is one that is named after its ** module, and more importantly, does not require a CREATE VIRTUAL TABLE -** statement in order to come into existance. Eponymous virtual table +** statement in order to come into existence. Eponymous virtual table ** instances always exist. They cannot be DROP-ed. ** ** Any virtual table module for which xConnect and xCreate are the same @@ -140794,9 +153842,11 @@ SQLITE_PRIVATE int sqlite3VtabEponymousTableInit(Parse *pParse, Module *pMod){ } pMod->pEpoTab = pTab; pTab->nTabRef = 1; + pTab->eTabType = TABTYP_VTAB; pTab->pSchema = db->aDb[0].pSchema; - assert( pTab->nModuleArg==0 ); + assert( pTab->u.vtab.nArg==0 ); pTab->iPKey = -1; + pTab->tabFlags |= TF_Eponymous; addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName)); addModuleArgument(pParse, pTab, 0); addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName)); @@ -140805,7 +153855,6 @@ SQLITE_PRIVATE int sqlite3VtabEponymousTableInit(Parse *pParse, Module *pMod){ sqlite3ErrorMsg(pParse, "%s", zErr); sqlite3DbFree(db, zErr); sqlite3VtabEponymousTableClear(db, pMod); - return 0; } return 1; } @@ -140879,6 +153928,10 @@ SQLITE_API int sqlite3_vtab_config(sqlite3 *db, int op, ...){ p->pVTable->eVtabRisk = SQLITE_VTABRISK_High; break; } + case SQLITE_VTAB_USES_ALL_SCHEMAS: { + p->pVTable->bAllSchemas = 1; + break; + } default: { rc = SQLITE_MISUSE_BKPT; break; @@ -140937,19 +153990,6 @@ SQLITE_API int sqlite3_vtab_config(sqlite3 *db, int op, ...){ #ifndef SQLITE_WHEREINT_H #define SQLITE_WHEREINT_H -/* -** Trace output macros -*/ -#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG) -/***/ extern int sqlite3WhereTrace; -#endif -#if defined(SQLITE_DEBUG) \ - && (defined(SQLITE_TEST) || defined(SQLITE_ENABLE_WHERETRACE)) -# define WHERETRACE(K,X) if(sqlite3WhereTrace&(K)) sqlite3DebugPrintf X -# define WHERETRACE_ENABLED 1 -#else -# define WHERETRACE(K,X) -#endif /* Forward references */ @@ -140965,6 +154005,28 @@ typedef struct WhereLoopBuilder WhereLoopBuilder; typedef struct WhereScan WhereScan; typedef struct WhereOrCost WhereOrCost; typedef struct WhereOrSet WhereOrSet; +typedef struct WhereMemBlock WhereMemBlock; +typedef struct WhereRightJoin WhereRightJoin; + +/* +** This object is a header on a block of allocated memory that will be +** automatically freed when its WInfo object is destructed. +*/ +struct WhereMemBlock { + WhereMemBlock *pNext; /* Next block in the chain */ + u64 sz; /* Bytes of space */ +}; + +/* +** Extra information attached to a WhereLevel that is a RIGHT JOIN. +*/ +struct WhereRightJoin { + int iMatch; /* Cursor used to determine prior matched rows */ + int regBloom; /* Bloom filter for iRJMatch */ + int regReturn; /* Return register for the interior subroutine */ + int addrSubrtn; /* Starting address for the interior subroutine */ + int endSubrtn; /* The last opcode in the interior subroutine */ +}; /* ** This object contains information needed to implement a single nested @@ -140997,6 +154059,8 @@ struct WhereLevel { u32 iLikeRepCntr; /* LIKE range processing counter register (times 2) */ int addrLikeRep; /* LIKE range processing address */ #endif + int regFilter; /* Bloom filter */ + WhereRightJoin *pRJ; /* Extra information for RIGHT JOIN */ u8 iFrom; /* Which entry in the FROM clause */ u8 op, p3, p5; /* Opcode, P3 & P5 of the opcode that ends the loop */ int p1, p2; /* Operands of the opcode used to end the loop */ @@ -141007,11 +154071,11 @@ struct WhereLevel { int iCur; /* The VDBE cursor used by this IN operator */ int addrInTop; /* Top of the IN loop */ int iBase; /* Base register of multi-key index record */ - int nPrefix; /* Number of prior entires in the key */ + int nPrefix; /* Number of prior entries in the key */ u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */ } *aInLoop; /* Information about each nested IN operator */ } in; /* Used when pWLoop->wsFlags&WHERE_IN_ABLE */ - Index *pCovidx; /* Possible covering index for WHERE_MULTI_OR */ + Index *pCoveringIdx; /* Possible covering index for WHERE_MULTI_OR */ } u; struct WhereLoop *pWLoop; /* The selected WhereLoop object */ Bitmask notReady; /* FROM entries not usable at this level */ @@ -141055,10 +154119,12 @@ struct WhereLoop { } btree; struct { /* Information for virtual tables */ int idxNum; /* Index number */ - u8 needFree; /* True if sqlite3_free(idxStr) is needed */ + u32 needFree : 1; /* True if sqlite3_free(idxStr) is needed */ + u32 bOmitOffset : 1; /* True to let virtual table handle offset */ i8 isOrdered; /* True if satisfies ORDER BY */ u16 omitMask; /* Terms that may be omitted */ char *idxStr; /* Index identifier string */ + u32 mHandleIn; /* Terms to handle as IN(...) instead of == */ } vtab; } u; u32 wsFlags; /* WHERE_* flags describing the plan */ @@ -141181,9 +154247,11 @@ struct WhereTerm { u8 eMatchOp; /* Op for vtab MATCH/LIKE/GLOB/REGEXP terms */ int iParent; /* Disable pWC->a[iParent] when this term disabled */ int leftCursor; /* Cursor number of X in "X " */ - int iField; /* Field in (?,?,?) IN (SELECT...) vector */ union { - int leftColumn; /* Column number of X in "X " */ + struct { + int leftColumn; /* Column number of X in "X " */ + int iField; /* Field in (?,?,?) IN (SELECT...) vector */ + } x; /* Opcode other than OP_OR or OP_AND */ WhereOrInfo *pOrInfo; /* Extra information if (eOperator & WO_OR)!=0 */ WhereAndInfo *pAndInfo; /* Extra information if (eOperator& WO_AND)!=0 */ } u; @@ -141200,12 +154268,8 @@ struct WhereTerm { #define TERM_COPIED 0x0008 /* Has a child */ #define TERM_ORINFO 0x0010 /* Need to free the WhereTerm.u.pOrInfo object */ #define TERM_ANDINFO 0x0020 /* Need to free the WhereTerm.u.pAndInfo obj */ -#define TERM_OR_OK 0x0040 /* Used during OR-clause processing */ -#ifdef SQLITE_ENABLE_STAT4 -# define TERM_VNULL 0x0080 /* Manufactured x>NULL or x<=NULL term */ -#else -# define TERM_VNULL 0x0000 /* Disabled if not using stat4 */ -#endif +#define TERM_OK 0x0040 /* Used during OR-clause processing */ +#define TERM_VNULL 0x0080 /* Manufactured x>NULL or x<=NULL term */ #define TERM_LIKEOPT 0x0100 /* Virtual terms from the LIKE optimization */ #define TERM_LIKECOND 0x0200 /* Conditionally this LIKE operator term */ #define TERM_LIKE 0x0400 /* The original LIKE operator */ @@ -141217,6 +154281,7 @@ struct WhereTerm { #else # define TERM_HIGHTRUTH 0 /* Only used with STAT4 */ #endif +#define TERM_SLICE 0x8000 /* One slice of a row-value/vector comparison */ /* ** An instance of the WhereScan object is used as an iterator for locating @@ -141227,11 +154292,11 @@ struct WhereScan { WhereClause *pWC; /* WhereClause currently being scanned */ const char *zCollName; /* Required collating sequence, if not NULL */ Expr *pIdxExpr; /* Search for this index expression */ - char idxaff; /* Must match this affinity, if zCollName!=NULL */ - unsigned char nEquiv; /* Number of entries in aEquiv[] */ - unsigned char iEquiv; /* Next unused slot in aEquiv[] */ - u32 opMask; /* Acceptable operators */ int k; /* Resume scanning at this->pWC->a[this->k] */ + u32 opMask; /* Acceptable operators */ + char idxaff; /* Must match this affinity, if zCollName!=NULL */ + unsigned char iEquiv; /* Current slot in aiCur[] and aiColumn[] */ + unsigned char nEquiv; /* Number of entries in aiCur[] and aiColumn[] */ int aiCur[11]; /* Cursors in the equivalence class */ i16 aiColumn[11]; /* Corresponding column number in the eq-class */ }; @@ -141255,7 +154320,8 @@ struct WhereClause { u8 hasOr; /* True if any a[].eOperator is WO_OR */ int nTerm; /* Number of terms */ int nSlot; /* Number of entries in a[] */ - WhereTerm *a; /* Each a[] describes a term of the WHERE cluase */ + int nBase; /* Number of terms through the last non-Virtual */ + WhereTerm *a; /* Each a[] describes a term of the WHERE clause */ #if defined(SQLITE_SMALL_STACK) WhereTerm aStatic[1]; /* Initial static space for a[] */ #else @@ -141285,7 +154351,7 @@ struct WhereAndInfo { ** between VDBE cursor numbers and bits of the bitmasks in WhereTerm. ** ** The VDBE cursor numbers are small integers contained in -** SrcList_item.iCursor and Expr.iTable fields. For any given WHERE +** SrcItem.iCursor and Expr.iTable fields. For any given WHERE ** clause, the cursor numbers might not begin with 0 and they might ** contain gaps in the numbering sequence. But we want to make maximum ** use of the bits in our bitmasks. This structure provides a mapping @@ -141312,11 +154378,6 @@ struct WhereMaskSet { int ix[BMS]; /* Cursor assigned to each bit */ }; -/* -** Initialize a WhereMaskSet object -*/ -#define initMaskSet(P) (P)->n=0 - /* ** This object is a convenience wrapper holding all information needed ** to construct WhereLoop objects for a particular query. @@ -141324,7 +154385,6 @@ struct WhereMaskSet { struct WhereLoopBuilder { WhereInfo *pWInfo; /* Information about this WHERE */ WhereClause *pWC; /* WHERE clause terms */ - ExprList *pOrderBy; /* ORDER BY clause */ WhereLoop *pNew; /* Template WhereLoop */ WhereOrSet *pOrSet; /* Record best loops here, if not NULL */ #ifdef SQLITE_ENABLE_STAT4 @@ -141362,20 +154422,6 @@ struct WhereLoopBuilder { # define SQLITE_QUERY_PLANNER_LIMIT_INCR 1000 #endif -/* -** Each instance of this object records a change to a single node -** in an expression tree to cause that node to point to a column -** of an index rather than an expression or a virtual column. All -** such transformations need to be undone at the end of WHERE clause -** processing. -*/ -typedef struct WhereExprMod WhereExprMod; -struct WhereExprMod { - WhereExprMod *pNext; /* Next translation on a list of them all */ - Expr *pExpr; /* The Expr node that was transformed */ - Expr orig; /* Original value of the Expr node */ -}; - /* ** The WHERE clause processing routine has two halves. The ** first part does the start of the WHERE loop and the second @@ -141391,7 +154437,10 @@ struct WhereInfo { SrcList *pTabList; /* List of tables in the join */ ExprList *pOrderBy; /* The ORDER BY clause or NULL */ ExprList *pResultSet; /* Result set of the query */ +#if WHERETRACE_ENABLED Expr *pWhere; /* The complete WHERE clause */ +#endif + Select *pSelect; /* The entire SELECT statement containing WHERE */ int aiCurOnePass[2]; /* OP_OpenWrite cursors for the ONEPASS opt */ int iContinue; /* Jump here to continue with next record */ int iBreak; /* Jump here to break out of the loop */ @@ -141408,8 +154457,9 @@ struct WhereInfo { unsigned sorted :1; /* True if really sorted (not just grouped) */ LogEst nRowOut; /* Estimated number of output rows */ int iTop; /* The very beginning of the WHERE loop */ + int iEndWhere; /* End of the WHERE clause itself */ WhereLoop *pLoops; /* List of all WhereLoop objects */ - WhereExprMod *pExprMods; /* Expression modifications */ + WhereMemBlock *pMemToFree;/* Memory to free when this object destroyed */ Bitmask revMask; /* Mask of ORDER BY terms that need reversing */ WhereClause sWC; /* Decomposition of the WHERE clause */ WhereMaskSet sMaskSet; /* Map cursor numbers to bitmasks */ @@ -141435,6 +154485,8 @@ SQLITE_PRIVATE WhereTerm *sqlite3WhereFindTerm( u32 op, /* Mask of WO_xx values describing operator */ Index *pIdx /* Must be compatible with this index, if not NULL */ ); +SQLITE_PRIVATE void *sqlite3WhereMalloc(WhereInfo *pWInfo, u64 nByte); +SQLITE_PRIVATE void *sqlite3WhereRealloc(WhereInfo *pWInfo, void *pOld, u64 nByte); /* wherecode.c: */ #ifndef SQLITE_OMIT_EXPLAIN @@ -141444,8 +154496,14 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( WhereLevel *pLevel, /* Scan to write OP_Explain opcode for */ u16 wctrlFlags /* Flags passed to sqlite3WhereBegin() */ ); +SQLITE_PRIVATE int sqlite3WhereExplainBloomFilter( + const Parse *pParse, /* Parse context */ + const WhereInfo *pWInfo, /* WHERE clause */ + const WhereLevel *pLevel /* Bloom filter on this level */ +); #else # define sqlite3WhereExplainOneScan(u,v,w,x) 0 +# define sqlite3WhereExplainBloomFilter(u,v,w) 0 #endif /* SQLITE_OMIT_EXPLAIN */ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS SQLITE_PRIVATE void sqlite3WhereAddScanStatus( @@ -141465,16 +154523,22 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( WhereLevel *pLevel, /* The current level pointer */ Bitmask notReady /* Which tables are currently available */ ); +SQLITE_PRIVATE SQLITE_NOINLINE void sqlite3WhereRightJoinLoop( + WhereInfo *pWInfo, + int iLevel, + WhereLevel *pLevel +); /* whereexpr.c: */ SQLITE_PRIVATE void sqlite3WhereClauseInit(WhereClause*,WhereInfo*); SQLITE_PRIVATE void sqlite3WhereClauseClear(WhereClause*); SQLITE_PRIVATE void sqlite3WhereSplit(WhereClause*,Expr*,u8); +SQLITE_PRIVATE void sqlite3WhereAddLimit(WhereClause*, Select*); SQLITE_PRIVATE Bitmask sqlite3WhereExprUsage(WhereMaskSet*, Expr*); SQLITE_PRIVATE Bitmask sqlite3WhereExprUsageNN(WhereMaskSet*, Expr*); SQLITE_PRIVATE Bitmask sqlite3WhereExprListUsage(WhereMaskSet*, ExprList*); SQLITE_PRIVATE void sqlite3WhereExprAnalyze(SrcList*, WhereClause*); -SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, struct SrcList_item*, WhereClause*); +SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, SrcItem*, WhereClause*); @@ -141506,8 +154570,9 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, struct SrcList_item*, WhereC #define WO_AND 0x0400 /* Two or more AND-connected terms */ #define WO_EQUIV 0x0800 /* Of the form A==B, both columns */ #define WO_NOOP 0x1000 /* This term does not restrict search space */ +#define WO_ROWVAL 0x2000 /* A row-value term */ -#define WO_ALL 0x1fff /* Mask of all possible WO_* values */ +#define WO_ALL 0x3fff /* Mask of all possible WO_* values */ #define WO_SINGLE 0x01ff /* Mask of all non-compound WO_* values */ /* @@ -141536,6 +154601,13 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, struct SrcList_item*, WhereC #define WHERE_PARTIALIDX 0x00020000 /* The automatic index is partial */ #define WHERE_IN_EARLYOUT 0x00040000 /* Perhaps quit IN loops early */ #define WHERE_BIGNULL_SORT 0x00080000 /* Column nEq of index is BIGNULL */ +#define WHERE_IN_SEEKSCAN 0x00100000 /* Seek-scan optimization for IN */ +#define WHERE_TRANSCONS 0x00200000 /* Uses a transitive constraint */ +#define WHERE_BLOOMFILTER 0x00400000 /* Consider using a Bloom-filter */ +#define WHERE_SELFCULL 0x00800000 /* nOut reduced by extra WHERE terms */ +#define WHERE_OMIT_OFFSET 0x01000000 /* Set offset counter to zero */ +#define WHERE_VIEWSCAN 0x02000000 /* A full-scan of a VIEW or subquery */ +#define WHERE_EXPRIDX 0x04000000 /* Uses an index-on-expressions */ #endif /* !defined(SQLITE_WHEREINT_H) */ @@ -141551,7 +154623,7 @@ static const char *explainIndexColumnName(Index *pIdx, int i){ i = pIdx->aiColumn[i]; if( i==XN_EXPR ) return ""; if( i==XN_ROWID ) return "rowid"; - return pIdx->pTable->aCol[i].zName; + return pIdx->pTable->aCol[i].zCnName; } /* @@ -141633,9 +154705,9 @@ static void explainIndexRange(StrAccum *pStr, WhereLoop *pLoop){ /* ** This function is a no-op unless currently processing an EXPLAIN QUERY PLAN -** command, or if either SQLITE_DEBUG or SQLITE_ENABLE_STMT_SCANSTATUS was -** defined at compile-time. If it is not a no-op, a single OP_Explain opcode -** is added to the output to describe the table scan strategy in pLevel. +** command, or if stmt_scanstatus_v2() stats are enabled, or if SQLITE_DEBUG +** was defined at compile-time. If it is not a no-op, a single OP_Explain +** opcode is added to the output to describe the table scan strategy in pLevel. ** ** If an OP_Explain opcode is added to the VM, its address is returned. ** Otherwise, if no OP_Explain is coded, zero is returned. @@ -141647,11 +154719,11 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( u16 wctrlFlags /* Flags passed to sqlite3WhereBegin() */ ){ int ret = 0; -#if !defined(SQLITE_DEBUG) && !defined(SQLITE_ENABLE_STMT_SCANSTATUS) - if( sqlite3ParseToplevel(pParse)->explain==2 ) +#if !defined(SQLITE_DEBUG) + if( sqlite3ParseToplevel(pParse)->explain==2 || IS_STMT_SCANSTATUS(pParse->db) ) #endif { - struct SrcList_item *pItem = &pTabList->a[pLevel->iFrom]; + SrcItem *pItem = &pTabList->a[pLevel->iFrom]; Vdbe *v = pParse->pVdbe; /* VM being constructed */ sqlite3 *db = pParse->db; /* Database handle */ int isSearch; /* True for a SEARCH. False for SCAN. */ @@ -141670,16 +154742,8 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( || (wctrlFlags&(WHERE_ORDERBY_MIN|WHERE_ORDERBY_MAX)); sqlite3StrAccumInit(&str, db, zBuf, sizeof(zBuf), SQLITE_MAX_LENGTH); - sqlite3_str_appendall(&str, isSearch ? "SEARCH" : "SCAN"); - if( pItem->pSelect ){ - sqlite3_str_appendf(&str, " SUBQUERY %u", pItem->pSelect->selId); - }else{ - sqlite3_str_appendf(&str, " TABLE %s", pItem->zName); - } - - if( pItem->zAlias ){ - sqlite3_str_appendf(&str, " AS %s", pItem->zAlias); - } + str.printfFlags = SQLITE_PRINTF_INTERNAL; + sqlite3_str_appendf(&str, "%s %S", isSearch ? "SEARCH" : "SCAN", pItem); if( (flags & (WHERE_IPK|WHERE_VIRTUALTABLE))==0 ){ const char *zFmt = 0; Index *pIdx; @@ -141706,19 +154770,27 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( explainIndexRange(&str, pLoop); } }else if( (flags & WHERE_IPK)!=0 && (flags & WHERE_CONSTRAINT)!=0 ){ - const char *zRangeOp; + char cRangeOp; +#if 0 /* Better output, but breaks many tests */ + const Table *pTab = pItem->pTab; + const char *zRowid = pTab->iPKey>=0 ? pTab->aCol[pTab->iPKey].zCnName: + "rowid"; +#else + const char *zRowid = "rowid"; +#endif + sqlite3_str_appendf(&str, " USING INTEGER PRIMARY KEY (%s", zRowid); if( flags&(WHERE_COLUMN_EQ|WHERE_COLUMN_IN) ){ - zRangeOp = "="; + cRangeOp = '='; }else if( (flags&WHERE_BOTH_LIMIT)==WHERE_BOTH_LIMIT ){ - zRangeOp = ">? AND rowid<"; + sqlite3_str_appendf(&str, ">? AND %s", zRowid); + cRangeOp = '<'; }else if( flags&WHERE_BTM_LIMIT ){ - zRangeOp = ">"; + cRangeOp = '>'; }else{ assert( flags&WHERE_TOP_LIMIT); - zRangeOp = "<"; + cRangeOp = '<'; } - sqlite3_str_appendf(&str, - " USING INTEGER PRIMARY KEY (rowid%s?)",zRangeOp); + sqlite3_str_appendf(&str, "%c?)", cRangeOp); } #ifndef SQLITE_OMIT_VIRTUALTABLE else if( (flags & WHERE_VIRTUALTABLE)!=0 ){ @@ -141726,6 +154798,9 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( pLoop->u.vtab.idxNum, pLoop->u.vtab.idxStr); } #endif + if( pItem->fg.jointype & JT_LEFT ){ + sqlite3_str_appendf(&str, " LEFT-JOIN"); + } #ifdef SQLITE_EXPLAIN_ESTIMATED_ROWS if( pLoop->nOut>=10 ){ sqlite3_str_appendf(&str, " (~%llu rows)", @@ -141741,6 +154816,58 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( } return ret; } + +/* +** Add a single OP_Explain opcode that describes a Bloom filter. +** +** Or if not processing EXPLAIN QUERY PLAN and not in a SQLITE_DEBUG and/or +** SQLITE_ENABLE_STMT_SCANSTATUS build, then OP_Explain opcodes are not +** required and this routine is a no-op. +** +** If an OP_Explain opcode is added to the VM, its address is returned. +** Otherwise, if no OP_Explain is coded, zero is returned. +*/ +SQLITE_PRIVATE int sqlite3WhereExplainBloomFilter( + const Parse *pParse, /* Parse context */ + const WhereInfo *pWInfo, /* WHERE clause */ + const WhereLevel *pLevel /* Bloom filter on this level */ +){ + int ret = 0; + SrcItem *pItem = &pWInfo->pTabList->a[pLevel->iFrom]; + Vdbe *v = pParse->pVdbe; /* VM being constructed */ + sqlite3 *db = pParse->db; /* Database handle */ + char *zMsg; /* Text to add to EQP output */ + int i; /* Loop counter */ + WhereLoop *pLoop; /* The where loop */ + StrAccum str; /* EQP output string */ + char zBuf[100]; /* Initial space for EQP output string */ + + sqlite3StrAccumInit(&str, db, zBuf, sizeof(zBuf), SQLITE_MAX_LENGTH); + str.printfFlags = SQLITE_PRINTF_INTERNAL; + sqlite3_str_appendf(&str, "BLOOM FILTER ON %S (", pItem); + pLoop = pLevel->pWLoop; + if( pLoop->wsFlags & WHERE_IPK ){ + const Table *pTab = pItem->pTab; + if( pTab->iPKey>=0 ){ + sqlite3_str_appendf(&str, "%s=?", pTab->aCol[pTab->iPKey].zCnName); + }else{ + sqlite3_str_appendf(&str, "rowid=?"); + } + }else{ + for(i=pLoop->nSkip; iu.btree.nEq; i++){ + const char *z = explainIndexColumnName(pLoop->u.btree.pIndex, i); + if( i>pLoop->nSkip ) sqlite3_str_append(&str, " AND ", 5); + sqlite3_str_appendf(&str, "%s=?", z); + } + } + sqlite3_str_append(&str, ")", 1); + zMsg = sqlite3StrAccumFinish(&str); + ret = sqlite3VdbeAddOp4(v, OP_Explain, sqlite3VdbeCurrentAddr(v), + pParse->addrExplain, 0, zMsg,P4_DYNAMIC); + + sqlite3VdbeScanStatus(v, sqlite3VdbeCurrentAddr(v)-1, 0, 0, 0, 0); + return ret; +} #endif /* SQLITE_OMIT_EXPLAIN */ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS @@ -141759,16 +154886,37 @@ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( WhereLevel *pLvl, /* Level to add scanstatus() entry for */ int addrExplain /* Address of OP_Explain (or 0) */ ){ - const char *zObj = 0; - WhereLoop *pLoop = pLvl->pWLoop; - if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ - zObj = pLoop->u.btree.pIndex->zName; - }else{ - zObj = pSrclist->a[pLvl->iFrom].zName; + if( IS_STMT_SCANSTATUS( sqlite3VdbeDb(v) ) ){ + const char *zObj = 0; + WhereLoop *pLoop = pLvl->pWLoop; + int wsFlags = pLoop->wsFlags; + int viaCoroutine = 0; + + if( (wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ + zObj = pLoop->u.btree.pIndex->zName; + }else{ + zObj = pSrclist->a[pLvl->iFrom].zName; + viaCoroutine = pSrclist->a[pLvl->iFrom].fg.viaCoroutine; + } + sqlite3VdbeScanStatus( + v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj + ); + + if( viaCoroutine==0 ){ + if( (wsFlags & (WHERE_MULTI_OR|WHERE_AUTO_INDEX))==0 ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iTabCur); + } + if( wsFlags & WHERE_INDEXED ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur); + } + }else{ + int addr = pSrclist->a[pLvl->iFrom].addrFillSub; + VdbeOp *pOp = sqlite3VdbeGetOp(v, addr-1); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->opcode==OP_InitCoroutine ); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->p2>addr ); + sqlite3VdbeScanStatusRange(v, addrExplain, addr, pOp->p2-1); + } } - sqlite3VdbeScanStatus( - v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj - ); } #endif @@ -141819,7 +154967,7 @@ static void disableTerm(WhereLevel *pLevel, WhereTerm *pTerm){ int nLoop = 0; assert( pTerm!=0 ); while( (pTerm->wtFlags & TERM_CODED)==0 - && (pLevel->iLeftJoin==0 || ExprHasProperty(pTerm->pExpr, EP_FromJoin)) + && (pLevel->iLeftJoin==0 || ExprHasProperty(pTerm->pExpr, EP_OuterON)) && (pLevel->notReady & pTerm->prereqAll)==0 ){ if( nLoop && (pTerm->wtFlags & TERM_LIKE)!=0 ){ @@ -141827,6 +154975,12 @@ static void disableTerm(WhereLevel *pLevel, WhereTerm *pTerm){ }else{ pTerm->wtFlags |= TERM_CODED; } +#ifdef WHERETRACE_ENABLED + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ + sqlite3DebugPrintf("DISABLE-"); + sqlite3WhereTermPrint(pTerm, (int)(pTerm - (pTerm->pWC->a))); + } +#endif if( pTerm->iParent<0 ) break; pTerm = &pTerm->pWC->a[pTerm->iParent]; assert( pTerm!=0 ); @@ -141937,61 +155091,75 @@ static Expr *removeUnindexableInClauseTerms( Expr *pX /* The IN expression to be reduced */ ){ sqlite3 *db = pParse->db; + Select *pSelect; /* Pointer to the SELECT on the RHS */ Expr *pNew; pNew = sqlite3ExprDup(db, pX, 0); if( db->mallocFailed==0 ){ - ExprList *pOrigRhs = pNew->x.pSelect->pEList; /* Original unmodified RHS */ - ExprList *pOrigLhs = pNew->pLeft->x.pList; /* Original unmodified LHS */ - ExprList *pRhs = 0; /* New RHS after modifications */ - ExprList *pLhs = 0; /* New LHS after mods */ - int i; /* Loop counter */ - Select *pSelect; /* Pointer to the SELECT on the RHS */ - - for(i=iEq; inLTerm; i++){ - if( pLoop->aLTerm[i]->pExpr==pX ){ - int iField = pLoop->aLTerm[i]->iField - 1; - if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */ - pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr); - pOrigRhs->a[iField].pExpr = 0; - assert( pOrigLhs->a[iField].pExpr!=0 ); - pLhs = sqlite3ExprListAppend(pParse, pLhs, pOrigLhs->a[iField].pExpr); - pOrigLhs->a[iField].pExpr = 0; - } - } - sqlite3ExprListDelete(db, pOrigRhs); - sqlite3ExprListDelete(db, pOrigLhs); - pNew->pLeft->x.pList = pLhs; - pNew->x.pSelect->pEList = pRhs; - if( pLhs && pLhs->nExpr==1 ){ - /* Take care here not to generate a TK_VECTOR containing only a - ** single value. Since the parser never creates such a vector, some - ** of the subroutines do not handle this case. */ - Expr *p = pLhs->a[0].pExpr; - pLhs->a[0].pExpr = 0; - sqlite3ExprDelete(db, pNew->pLeft); - pNew->pLeft = p; - } - pSelect = pNew->x.pSelect; - if( pSelect->pOrderBy ){ - /* If the SELECT statement has an ORDER BY clause, zero the - ** iOrderByCol variables. These are set to non-zero when an - ** ORDER BY term exactly matches one of the terms of the - ** result-set. Since the result-set of the SELECT statement may - ** have been modified or reordered, these variables are no longer - ** set correctly. Since setting them is just an optimization, - ** it's easiest just to zero them here. */ - ExprList *pOrderBy = pSelect->pOrderBy; - for(i=0; inExpr; i++){ - pOrderBy->a[i].u.x.iOrderByCol = 0; + for(pSelect=pNew->x.pSelect; pSelect; pSelect=pSelect->pPrior){ + ExprList *pOrigRhs; /* Original unmodified RHS */ + ExprList *pOrigLhs = 0; /* Original unmodified LHS */ + ExprList *pRhs = 0; /* New RHS after modifications */ + ExprList *pLhs = 0; /* New LHS after mods */ + int i; /* Loop counter */ + + assert( ExprUseXSelect(pNew) ); + pOrigRhs = pSelect->pEList; + assert( pNew->pLeft!=0 ); + assert( ExprUseXList(pNew->pLeft) ); + if( pSelect==pNew->x.pSelect ){ + pOrigLhs = pNew->pLeft->x.pList; + } + for(i=iEq; inLTerm; i++){ + if( pLoop->aLTerm[i]->pExpr==pX ){ + int iField; + assert( (pLoop->aLTerm[i]->eOperator & (WO_OR|WO_AND))==0 ); + iField = pLoop->aLTerm[i]->u.x.iField - 1; + if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */ + pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr); + pOrigRhs->a[iField].pExpr = 0; + if( pOrigLhs ){ + assert( pOrigLhs->a[iField].pExpr!=0 ); + pLhs = sqlite3ExprListAppend(pParse,pLhs,pOrigLhs->a[iField].pExpr); + pOrigLhs->a[iField].pExpr = 0; + } + } + } + sqlite3ExprListDelete(db, pOrigRhs); + if( pOrigLhs ){ + sqlite3ExprListDelete(db, pOrigLhs); + pNew->pLeft->x.pList = pLhs; + } + pSelect->pEList = pRhs; + if( pLhs && pLhs->nExpr==1 ){ + /* Take care here not to generate a TK_VECTOR containing only a + ** single value. Since the parser never creates such a vector, some + ** of the subroutines do not handle this case. */ + Expr *p = pLhs->a[0].pExpr; + pLhs->a[0].pExpr = 0; + sqlite3ExprDelete(db, pNew->pLeft); + pNew->pLeft = p; + } + if( pSelect->pOrderBy ){ + /* If the SELECT statement has an ORDER BY clause, zero the + ** iOrderByCol variables. These are set to non-zero when an + ** ORDER BY term exactly matches one of the terms of the + ** result-set. Since the result-set of the SELECT statement may + ** have been modified or reordered, these variables are no longer + ** set correctly. Since setting them is just an optimization, + ** it's easiest just to zero them here. */ + ExprList *pOrderBy = pSelect->pOrderBy; + for(i=0; inExpr; i++){ + pOrderBy->a[i].u.x.iOrderByCol = 0; + } } - } #if 0 - printf("For indexing, change the IN expr:\n"); - sqlite3TreeViewExpr(0, pX, 0); - printf("Into:\n"); - sqlite3TreeViewExpr(0, pNew, 0); + printf("For indexing, change the IN expr:\n"); + sqlite3TreeViewExpr(0, pX, 0); + printf("Into:\n"); + sqlite3TreeViewExpr(0, pNew, 0); #endif + } } return pNew; } @@ -142064,19 +155232,25 @@ static int codeEqualityTerm( } iTab = 0; - if( (pX->flags & EP_xIsSelect)==0 || pX->x.pSelect->pEList->nExpr==1 ){ + if( !ExprUseXSelect(pX) || pX->x.pSelect->pEList->nExpr==1 ){ eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, 0, &iTab); }else{ - sqlite3 *db = pParse->db; - pX = removeUnindexableInClauseTerms(pParse, iEq, pLoop, pX); - - if( !db->mallocFailed ){ - aiMap = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*nEq); + Expr *pExpr = pTerm->pExpr; + if( pExpr->iTable==0 || !ExprHasProperty(pExpr, EP_Subrtn) ){ + sqlite3 *db = pParse->db; + pX = removeUnindexableInClauseTerms(pParse, iEq, pLoop, pX); + if( !db->mallocFailed ){ + aiMap = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*nEq); + eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap,&iTab); + pExpr->iTable = iTab; + } + sqlite3ExprDelete(db, pX); + }else{ + int n = sqlite3ExprVectorSize(pX->pLeft); + aiMap = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*MAX(nEq,n)); eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap, &iTab); - pTerm->pExpr->iTable = iTab; } - sqlite3ExprDelete(db, pX); - pX = pTerm->pExpr; + pX = pExpr; } if( eType==IN_INDEX_INDEX_DESC ){ @@ -142086,18 +155260,22 @@ static int codeEqualityTerm( sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iTab, 0); VdbeCoverageIf(v, bRev); VdbeCoverageIf(v, !bRev); - assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 ); + assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 ); pLoop->wsFlags |= WHERE_IN_ABLE; if( pLevel->u.in.nIn==0 ){ pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse); } + if( iEq>0 && (pLoop->wsFlags & WHERE_IN_SEEKSCAN)==0 ){ + pLoop->wsFlags |= WHERE_IN_EARLYOUT; + } i = pLevel->u.in.nIn; pLevel->u.in.nIn += nEq; pLevel->u.in.aInLoop = - sqlite3DbReallocOrFree(pParse->db, pLevel->u.in.aInLoop, - sizeof(pLevel->u.in.aInLoop[0])*pLevel->u.in.nIn); + sqlite3WhereRealloc(pTerm->pWC->pWInfo, + pLevel->u.in.aInLoop, + sizeof(pLevel->u.in.aInLoop[0])*pLevel->u.in.nIn); pIn = pLevel->u.in.aInLoop; if( pIn ){ int iMap = 0; /* Index in aiMap[] */ @@ -142118,7 +155296,6 @@ static int codeEqualityTerm( if( iEq>0 ){ pIn->iBase = iReg - i; pIn->nPrefix = i; - pLoop->wsFlags |= WHERE_IN_EARLYOUT; }else{ pIn->nPrefix = 0; } @@ -142128,13 +155305,36 @@ static int codeEqualityTerm( pIn++; } } + testcase( iEq>0 + && (pLoop->wsFlags & WHERE_IN_SEEKSCAN)==0 + && (pLoop->wsFlags & WHERE_VIRTUALTABLE)!=0 ); + if( iEq>0 + && (pLoop->wsFlags & (WHERE_IN_SEEKSCAN|WHERE_VIRTUALTABLE))==0 + ){ + sqlite3VdbeAddOp3(v, OP_SeekHit, pLevel->iIdxCur, 0, iEq); + } }else{ pLevel->u.in.nIn = 0; } sqlite3DbFree(pParse->db, aiMap); #endif } - disableTerm(pLevel, pTerm); + + /* As an optimization, try to disable the WHERE clause term that is + ** driving the index as it will always be true. The correct answer is + ** obtained regardless, but we might get the answer with fewer CPU cycles + ** by omitting the term. + ** + ** But do not disable the term unless we are certain that the term is + ** not a transitive constraint. For an example of where that does not + ** work, see https://sqlite.org/forum/forumpost/eb8613976a (2021-05-04) + */ + if( (pLevel->pWLoop->wsFlags & WHERE_TRANSCONS)==0 + || (pTerm->eOperator & WO_EQUIV)==0 + ){ + disableTerm(pLevel, pTerm); + } + return iReg; } @@ -142212,7 +155412,7 @@ static int codeAllEqualityTerms( /* Figure out how many memory cells we will need then allocate them. */ regBase = pParse->nMem + 1; - nReg = pLoop->u.btree.nEq + nExtraReg; + nReg = nEq + nExtraReg; pParse->nMem += nReg; zAff = sqlite3DbStrDup(pParse->db,sqlite3IndexAffinityStr(pParse->db,pIdx)); @@ -142220,11 +155420,13 @@ static int codeAllEqualityTerms( if( nSkip ){ int iIdxCur = pLevel->iIdxCur; + sqlite3VdbeAddOp3(v, OP_Null, 0, regBase, regBase+nSkip-1); sqlite3VdbeAddOp1(v, (bRev?OP_Last:OP_Rewind), iIdxCur); VdbeCoverageIf(v, bRev==0); VdbeCoverageIf(v, bRev!=0); VdbeComment((v, "begin skip-scan on %s", pIdx->zName)); j = sqlite3VdbeAddOp0(v, OP_Goto); + assert( pLevel->addrSkip==0 ); pLevel->addrSkip = sqlite3VdbeAddOp4Int(v, (bRev?OP_SeekLT:OP_SeekGT), iIdxCur, 0, regBase, nSkip); VdbeCoverageIf(v, bRev==0); @@ -142254,7 +155456,7 @@ static int codeAllEqualityTerms( sqlite3ReleaseTempReg(pParse, regBase); regBase = r1; }else{ - sqlite3VdbeAddOp2(v, OP_SCopy, r1, regBase+j); + sqlite3VdbeAddOp2(v, OP_Copy, r1, regBase+j); } } if( pTerm->eOperator & WO_IN ){ @@ -142271,7 +155473,8 @@ static int codeAllEqualityTerms( sqlite3VdbeAddOp2(v, OP_IsNull, regBase+j, pLevel->addrBrk); VdbeCoverage(v); } - if( zAff ){ + if( pParse->nErr==0 ){ + assert( pParse->db->mallocFailed==0 ); if( sqlite3CompareAffinity(pRight, zAff[j])==SQLITE_AFF_BLOB ){ zAff[j] = SQLITE_AFF_BLOB; } @@ -142311,7 +155514,7 @@ static void whereLikeOptimizationStringFixup( if( pTerm->wtFlags & TERM_LIKEOPT ){ VdbeOp *pOp; assert( pLevel->iLikeRepCntr>0 ); - pOp = sqlite3VdbeGetOp(v, -1); + pOp = sqlite3VdbeGetLastOp(v); assert( pOp!=0 ); assert( pOp->opcode==OP_String8 || pTerm->pWC->pWInfo->pParse->db->mallocFailed ); @@ -142398,18 +155601,19 @@ static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){ ** 2) transform the expression node to a TK_REGISTER node that reads ** from the newly populated register. ** -** Also, if the node is a TK_COLUMN that does access the table idenified +** Also, if the node is a TK_COLUMN that does access the table identified ** by pCCurHint.iTabCur, and an index is being used (which we will ** know because CCurHint.pIdx!=0) then transform the TK_COLUMN into ** an access of the index rather than the original table. */ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ int rc = WRC_Continue; + int reg; struct CCurHint *pHint = pWalker->u.pCCurHint; if( pExpr->op==TK_COLUMN ){ if( pExpr->iTable!=pHint->iTabCur ){ - int reg = ++pWalker->pParse->nMem; /* Register for column value */ - sqlite3ExprCode(pWalker->pParse, pExpr, reg); + reg = ++pWalker->pParse->nMem; /* Register for column value */ + reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg); pExpr->op = TK_REGISTER; pExpr->iTable = reg; }else if( pHint->pIdx!=0 ){ @@ -142417,15 +155621,15 @@ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ pExpr->iColumn = sqlite3TableColumnToIndex(pHint->pIdx, pExpr->iColumn); assert( pExpr->iColumn>=0 ); } - }else if( pExpr->op==TK_AGG_FUNCTION ){ - /* An aggregate function in the WHERE clause of a query means this must - ** be a correlated sub-query, and expression pExpr is an aggregate from - ** the parent context. Do not walk the function arguments in this case. - ** - ** todo: It should be possible to replace this node with a TK_REGISTER - ** expression, as the result of the expression must be stored in a - ** register at this point. The same holds for TK_AGG_COLUMN nodes. */ + }else if( pExpr->pAggInfo ){ rc = WRC_Prune; + reg = ++pWalker->pParse->nMem; /* Register for column value */ + reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg); + pExpr->op = TK_REGISTER; + pExpr->iTable = reg; + }else if( pExpr->op==TK_TRUEFALSE ){ + /* Do not walk disabled expressions. tag-20230504-1 */ + return WRC_Prune; } return rc; } @@ -142434,7 +155638,7 @@ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ ** Insert an OP_CursorHint instruction if it is appropriate to do so. */ static void codeCursorHint( - struct SrcList_item *pTabItem, /* FROM clause item */ + SrcItem *pTabItem, /* FROM clause item */ WhereInfo *pWInfo, /* The where clause */ WhereLevel *pLevel, /* Which loop to provide hints for */ WhereTerm *pEndRange /* Hint this end-of-scan boundary term if not NULL */ @@ -142461,7 +155665,7 @@ static void codeCursorHint( sWalker.pParse = pParse; sWalker.u.pCCurHint = &sHint; pWC = &pWInfo->sWC; - for(i=0; inTerm; i++){ + for(i=0; inBase; i++){ pTerm = &pWC->a[i]; if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; if( pTerm->prereqAll & pLevel->notReady ) continue; @@ -142490,8 +155694,8 @@ static void codeCursorHint( */ if( pTabItem->fg.jointype & JT_LEFT ){ Expr *pExpr = pTerm->pExpr; - if( !ExprHasProperty(pExpr, EP_FromJoin) - || pExpr->iRightJoinTable!=pTabItem->iCursor + if( !ExprHasProperty(pExpr, EP_OuterON) + || pExpr->w.iJoin!=pTabItem->iCursor ){ sWalker.eCode = 0; sWalker.xExprCallback = codeCursorHintIsOrFunction; @@ -142499,7 +155703,7 @@ static void codeCursorHint( if( sWalker.eCode ) continue; } }else{ - if( ExprHasProperty(pTerm->pExpr, EP_FromJoin) ) continue; + if( ExprHasProperty(pTerm->pExpr, EP_OuterON) ) continue; } /* All terms in pWLoop->aLTerm[] except pEndRange are used to initialize @@ -142527,7 +155731,7 @@ static void codeCursorHint( } if( pExpr!=0 ){ sWalker.xExprCallback = codeCursorHintFixExpr; - sqlite3WalkExpr(&sWalker, pExpr); + if( pParse->nErr==0 ) sqlite3WalkExpr(&sWalker, pExpr); sqlite3VdbeAddOp4(v, OP_CursorHint, (sHint.pIdx ? sHint.iIdxCur : sHint.iTabCur), 0, 0, (const char*)pExpr, P4_EXPR); @@ -142547,13 +155751,21 @@ static void codeCursorHint( ** ** OP_DeferredSeek $iCur $iRowid ** +** Which causes a seek on $iCur to the row with rowid $iRowid. +** ** However, if the scan currently being coded is a branch of an OR-loop and -** the statement currently being coded is a SELECT, then P3 of OP_DeferredSeek -** is set to iIdxCur and P4 is set to point to an array of integers -** containing one entry for each column of the table cursor iCur is open -** on. For each table column, if the column is the i'th column of the -** index, then the corresponding array entry is set to (i+1). If the column -** does not appear in the index at all, the array entry is set to 0. +** the statement currently being coded is a SELECT, then additional information +** is added that might allow OP_Column to omit the seek and instead do its +** lookup on the index, thus avoiding an expensive seek operation. To +** enable this optimization, the P3 of OP_DeferredSeek is set to iIdxCur +** and P4 is set to an array of integers containing one entry for each column +** in the table. For each table column, if the column is the i'th +** column of the index, then the corresponding array entry is set to (i+1). +** If the column does not appear in the index at all, the array entry is set +** to 0. The OP_Column opcode can check this array to see if the column it +** wants is in the index and if it is, it will substitute the index cursor +** and column number and continue with those new values, rather than seeking +** the table cursor. */ static void codeDeferredSeek( WhereInfo *pWInfo, /* Where clause context */ @@ -142569,7 +155781,7 @@ static void codeDeferredSeek( pWInfo->bDeferredSeek = 1; sqlite3VdbeAddOp3(v, OP_DeferredSeek, iIdxCur, 0, iCur); - if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE) + if( (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN)) && DbMaskAllZero(sqlite3ParseToplevel(pParse)->writeMask) ){ int i; @@ -142603,7 +155815,7 @@ static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){ assert( nReg>0 ); if( p && sqlite3ExprIsVector(p) ){ #ifndef SQLITE_OMIT_SUBQUERY - if( (p->flags & EP_xIsSelect) ){ + if( ExprUseXSelect(p) ){ Vdbe *v = pParse->pVdbe; int iSelect; assert( p->op==TK_SELECT ); @@ -142613,154 +155825,20 @@ static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){ #endif { int i; - ExprList *pList = p->x.pList; + const ExprList *pList; + assert( ExprUseXList(p) ); + pList = p->x.pList; assert( nReg<=pList->nExpr ); for(i=0; ia[i].pExpr, iReg+i); } } }else{ - assert( nReg==1 ); + assert( nReg==1 || pParse->nErr ); sqlite3ExprCode(pParse, p, iReg); } } -/* An instance of the IdxExprTrans object carries information about a -** mapping from an expression on table columns into a column in an index -** down through the Walker. -*/ -typedef struct IdxExprTrans { - Expr *pIdxExpr; /* The index expression */ - int iTabCur; /* The cursor of the corresponding table */ - int iIdxCur; /* The cursor for the index */ - int iIdxCol; /* The column for the index */ - int iTabCol; /* The column for the table */ - WhereInfo *pWInfo; /* Complete WHERE clause information */ - sqlite3 *db; /* Database connection (for malloc()) */ -} IdxExprTrans; - -/* -** Preserve pExpr on the WhereETrans list of the WhereInfo. -*/ -static void preserveExpr(IdxExprTrans *pTrans, Expr *pExpr){ - WhereExprMod *pNew; - pNew = sqlite3DbMallocRaw(pTrans->db, sizeof(*pNew)); - if( pNew==0 ) return; - pNew->pNext = pTrans->pWInfo->pExprMods; - pTrans->pWInfo->pExprMods = pNew; - pNew->pExpr = pExpr; - memcpy(&pNew->orig, pExpr, sizeof(*pExpr)); -} - -/* The walker node callback used to transform matching expressions into -** a reference to an index column for an index on an expression. -** -** If pExpr matches, then transform it into a reference to the index column -** that contains the value of pExpr. -*/ -static int whereIndexExprTransNode(Walker *p, Expr *pExpr){ - IdxExprTrans *pX = p->u.pIdxTrans; - if( sqlite3ExprCompare(0, pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){ - preserveExpr(pX, pExpr); - pExpr->affExpr = sqlite3ExprAffinity(pExpr); - pExpr->op = TK_COLUMN; - pExpr->iTable = pX->iIdxCur; - pExpr->iColumn = pX->iIdxCol; - pExpr->y.pTab = 0; - testcase( ExprHasProperty(pExpr, EP_Skip) ); - testcase( ExprHasProperty(pExpr, EP_Unlikely) ); - ExprClearProperty(pExpr, EP_Skip|EP_Unlikely); - return WRC_Prune; - }else{ - return WRC_Continue; - } -} - -#ifndef SQLITE_OMIT_GENERATED_COLUMNS -/* A walker node callback that translates a column reference to a table -** into a corresponding column reference of an index. -*/ -static int whereIndexExprTransColumn(Walker *p, Expr *pExpr){ - if( pExpr->op==TK_COLUMN ){ - IdxExprTrans *pX = p->u.pIdxTrans; - if( pExpr->iTable==pX->iTabCur && pExpr->iColumn==pX->iTabCol ){ - assert( pExpr->y.pTab!=0 ); - preserveExpr(pX, pExpr); - pExpr->affExpr = sqlite3TableColumnAffinity(pExpr->y.pTab,pExpr->iColumn); - pExpr->iTable = pX->iIdxCur; - pExpr->iColumn = pX->iIdxCol; - pExpr->y.pTab = 0; - } - } - return WRC_Continue; -} -#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ - -/* -** For an indexes on expression X, locate every instance of expression X -** in pExpr and change that subexpression into a reference to the appropriate -** column of the index. -** -** 2019-10-24: Updated to also translate references to a VIRTUAL column in -** the table into references to the corresponding (stored) column of the -** index. -*/ -static void whereIndexExprTrans( - Index *pIdx, /* The Index */ - int iTabCur, /* Cursor of the table that is being indexed */ - int iIdxCur, /* Cursor of the index itself */ - WhereInfo *pWInfo /* Transform expressions in this WHERE clause */ -){ - int iIdxCol; /* Column number of the index */ - ExprList *aColExpr; /* Expressions that are indexed */ - Table *pTab; - Walker w; - IdxExprTrans x; - aColExpr = pIdx->aColExpr; - if( aColExpr==0 && !pIdx->bHasVCol ){ - /* The index does not reference any expressions or virtual columns - ** so no translations are needed. */ - return; - } - pTab = pIdx->pTable; - memset(&w, 0, sizeof(w)); - w.u.pIdxTrans = &x; - x.iTabCur = iTabCur; - x.iIdxCur = iIdxCur; - x.pWInfo = pWInfo; - x.db = pWInfo->pParse->db; - for(iIdxCol=0; iIdxColnColumn; iIdxCol++){ - i16 iRef = pIdx->aiColumn[iIdxCol]; - if( iRef==XN_EXPR ){ - assert( aColExpr->a[iIdxCol].pExpr!=0 ); - x.pIdxExpr = aColExpr->a[iIdxCol].pExpr; - if( sqlite3ExprIsConstant(x.pIdxExpr) ) continue; - w.xExprCallback = whereIndexExprTransNode; -#ifndef SQLITE_OMIT_GENERATED_COLUMNS - }else if( iRef>=0 - && (pTab->aCol[iRef].colFlags & COLFLAG_VIRTUAL)!=0 - && (pTab->aCol[iRef].zColl==0 - || sqlite3StrICmp(pTab->aCol[iRef].zColl, sqlite3StrBINARY)==0) - ){ - /* Check to see if there are direct references to generated columns - ** that are contained in the index. Pulling the generated column - ** out of the index is an optimization only - the main table is always - ** available if the index cannot be used. To avoid unnecessary - ** complication, omit this optimization if the collating sequence for - ** the column is non-standard */ - x.iTabCol = iRef; - w.xExprCallback = whereIndexExprTransColumn; -#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ - }else{ - continue; - } - x.iIdxCol = iIdxCol; - sqlite3WalkExpr(&w, pWInfo->pWhere); - sqlite3WalkExprList(&w, pWInfo->pOrderBy); - sqlite3WalkExprList(&w, pWInfo->pResultSet); - } -} - /* ** The pTruth expression is always true because it is the WHERE clause ** a partial index that is driving a query loop. Look through all of the @@ -142789,6 +155867,70 @@ static void whereApplyPartialIndexConstraints( } } +/* +** This routine is called right after An OP_Filter has been generated and +** before the corresponding index search has been performed. This routine +** checks to see if there are additional Bloom filters in inner loops that +** can be checked prior to doing the index lookup. If there are available +** inner-loop Bloom filters, then evaluate those filters now, before the +** index lookup. The idea is that a Bloom filter check is way faster than +** an index lookup, and the Bloom filter might return false, meaning that +** the index lookup can be skipped. +** +** We know that an inner loop uses a Bloom filter because it has the +** WhereLevel.regFilter set. If an inner-loop Bloom filter is checked, +** then clear the WhereLevel.regFilter value to prevent the Bloom filter +** from being checked a second time when the inner loop is evaluated. +*/ +static SQLITE_NOINLINE void filterPullDown( + Parse *pParse, /* Parsing context */ + WhereInfo *pWInfo, /* Complete information about the WHERE clause */ + int iLevel, /* Which level of pWInfo->a[] should be coded */ + int addrNxt, /* Jump here to bypass inner loops */ + Bitmask notReady /* Loops that are not ready */ +){ + while( ++iLevel < pWInfo->nLevel ){ + WhereLevel *pLevel = &pWInfo->a[iLevel]; + WhereLoop *pLoop = pLevel->pWLoop; + if( pLevel->regFilter==0 ) continue; + if( pLevel->pWLoop->nSkip ) continue; + /* ,--- Because sqlite3ConstructBloomFilter() has will not have set + ** vvvvv--' pLevel->regFilter if this were true. */ + if( NEVER(pLoop->prereq & notReady) ) continue; + assert( pLevel->addrBrk==0 ); + pLevel->addrBrk = addrNxt; + if( pLoop->wsFlags & WHERE_IPK ){ + WhereTerm *pTerm = pLoop->aLTerm[0]; + int regRowid; + assert( pTerm!=0 ); + assert( pTerm->pExpr!=0 ); + testcase( pTerm->wtFlags & TERM_VIRTUAL ); + regRowid = sqlite3GetTempReg(pParse); + regRowid = codeEqualityTerm(pParse, pTerm, pLevel, 0, 0, regRowid); + sqlite3VdbeAddOp2(pParse->pVdbe, OP_MustBeInt, regRowid, addrNxt); + VdbeCoverage(pParse->pVdbe); + sqlite3VdbeAddOp4Int(pParse->pVdbe, OP_Filter, pLevel->regFilter, + addrNxt, regRowid, 1); + VdbeCoverage(pParse->pVdbe); + }else{ + u16 nEq = pLoop->u.btree.nEq; + int r1; + char *zStartAff; + + assert( pLoop->wsFlags & WHERE_INDEXED ); + assert( (pLoop->wsFlags & WHERE_COLUMN_IN)==0 ); + r1 = codeAllEqualityTerms(pParse,pLevel,0,0,&zStartAff); + codeApplyAffinity(pParse, r1, nEq, zStartAff); + sqlite3DbFree(pParse->db, zStartAff); + sqlite3VdbeAddOp4Int(pParse->pVdbe, OP_Filter, pLevel->regFilter, + addrNxt, r1, nEq); + VdbeCoverage(pParse->pVdbe); + } + pLevel->regFilter = 0; + pLevel->addrBrk = 0; + } +} + /* ** Generate code for the start of the iLevel-th loop in the WHERE clause ** implementation described by pWInfo. @@ -142809,7 +155951,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( WhereClause *pWC; /* Decomposition of the entire WHERE clause */ WhereTerm *pTerm; /* A WHERE clause term */ sqlite3 *db; /* Database connection */ - struct SrcList_item *pTabItem; /* FROM clause term being coded */ + SrcItem *pTabItem; /* FROM clause term being coded */ int addrBrk; /* Jump here to break out of the loop */ int addrHalt; /* addrBrk for the outermost loop */ int addrCont; /* Jump here to continue with next cycle */ @@ -142826,13 +155968,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur); bRev = (pWInfo->revMask>>iLevel)&1; VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName)); -#if WHERETRACE_ENABLED /* 0x20800 */ - if( sqlite3WhereTrace & 0x800 ){ +#if WHERETRACE_ENABLED /* 0x4001 */ + if( sqlite3WhereTrace & 0x1 ){ sqlite3DebugPrintf("Coding level %d of %d: notReady=%llx iFrom=%d\n", iLevel, pWInfo->nLevel, (u64)notReady, pLevel->iFrom); - sqlite3WhereLoopPrint(pLoop, pWC); + if( sqlite3WhereTrace & 0x1000 ){ + sqlite3WhereLoopPrint(pLoop, pWC); + } } - if( sqlite3WhereTrace & 0x20000 ){ + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ if( iLevel==0 ){ sqlite3DebugPrintf("WHERE clause being coded:\n"); sqlite3TreeViewExpr(0, pWInfo->pWhere, 0); @@ -142859,7 +156003,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** initialize a memory cell that records if this table matches any ** row of the left table of the join. */ - assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE) + assert( (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN)) || pLevel->iFrom>0 || (pTabItem[0].fg.jointype & JT_LEFT)==0 ); if( pLevel->iFrom>0 && (pTabItem[0].fg.jointype & JT_LEFT)!=0 ){ @@ -142870,7 +156014,10 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( /* Compute a safe address to jump to if we discover that the table for ** this loop is empty and can never contribute content. */ - for(j=iLevel; j>0 && pWInfo->a[j].iLeftJoin==0; j--){} + for(j=iLevel; j>0; j--){ + if( pWInfo->a[j].iLeftJoin ) break; + if( pWInfo->a[j].pRJ ) break; + } addrHalt = pWInfo->a[j].addrBrk; /* Special case of a FROM clause subquery implemented as a co-routine */ @@ -142891,7 +156038,6 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( int iReg; /* P3 Value for OP_VFilter */ int addrNotFound; int nConstraint = pLoop->nLTerm; - int iIn; /* Counter for IN constraints */ iReg = sqlite3GetTempRange(pParse, nConstraint+2); addrNotFound = pLevel->addrBrk; @@ -142900,11 +156046,27 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pTerm = pLoop->aLTerm[j]; if( NEVER(pTerm==0) ) continue; if( pTerm->eOperator & WO_IN ){ - codeEqualityTerm(pParse, pTerm, pLevel, j, bRev, iTarget); - addrNotFound = pLevel->addrNxt; + if( SMASKBIT32(j) & pLoop->u.vtab.mHandleIn ){ + int iTab = pParse->nTab++; + int iCache = ++pParse->nMem; + sqlite3CodeRhsOfIN(pParse, pTerm->pExpr, iTab); + sqlite3VdbeAddOp3(v, OP_VInitIn, iTab, iTarget, iCache); + }else{ + codeEqualityTerm(pParse, pTerm, pLevel, j, bRev, iTarget); + addrNotFound = pLevel->addrNxt; + } }else{ Expr *pRight = pTerm->pExpr->pRight; codeExprOrVector(pParse, pRight, iTarget, 1); + if( pTerm->eMatchOp==SQLITE_INDEX_CONSTRAINT_OFFSET + && pLoop->u.vtab.bOmitOffset + ){ + assert( pTerm->eOperator==WO_AUX ); + assert( pWInfo->pSelect!=0 ); + assert( pWInfo->pSelect->iOffset>0 ); + sqlite3VdbeAddOp2(v, OP_Integer, 0, pWInfo->pSelect->iOffset); + VdbeComment((v,"Zero OFFSET counter")); + } } } sqlite3VdbeAddOp2(v, OP_Integer, pLoop->u.vtab.idxNum, iReg); @@ -142914,43 +156076,61 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pLoop->u.vtab.needFree ? P4_DYNAMIC : P4_STATIC); VdbeCoverage(v); pLoop->u.vtab.needFree = 0; + /* An OOM inside of AddOp4(OP_VFilter) instruction above might have freed + ** the u.vtab.idxStr. NULL it out to prevent a use-after-free */ + if( db->mallocFailed ) pLoop->u.vtab.idxStr = 0; pLevel->p1 = iCur; pLevel->op = pWInfo->eOnePass ? OP_Noop : OP_VNext; pLevel->p2 = sqlite3VdbeCurrentAddr(v); - iIn = pLevel->u.in.nIn; - for(j=nConstraint-1; j>=0; j--){ + assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 ); + + for(j=0; jaLTerm[j]; - if( (pTerm->eOperator & WO_IN)!=0 ) iIn--; if( j<16 && (pLoop->u.vtab.omitMask>>j)&1 ){ disableTerm(pLevel, pTerm); - }else if( (pTerm->eOperator & WO_IN)!=0 - && sqlite3ExprVectorSize(pTerm->pExpr->pLeft)==1 + continue; + } + if( (pTerm->eOperator & WO_IN)!=0 + && (SMASKBIT32(j) & pLoop->u.vtab.mHandleIn)==0 + && !db->mallocFailed ){ Expr *pCompare; /* The comparison operator */ Expr *pRight; /* RHS of the comparison */ VdbeOp *pOp; /* Opcode to access the value of the IN constraint */ + int iIn; /* IN loop corresponding to the j-th constraint */ /* Reload the constraint value into reg[iReg+j+2]. The same value ** was loaded into the same register prior to the OP_VFilter, but ** the xFilter implementation might have changed the datatype or - ** encoding of the value in the register, so it *must* be reloaded. */ - assert( pLevel->u.in.aInLoop!=0 || db->mallocFailed ); - if( !db->mallocFailed ){ - assert( iIn>=0 && iInu.in.nIn ); + ** encoding of the value in the register, so it *must* be reloaded. + */ + for(iIn=0; ALWAYS(iInu.in.nIn); iIn++){ pOp = sqlite3VdbeGetOp(v, pLevel->u.in.aInLoop[iIn].addrInTop); - assert( pOp->opcode==OP_Column || pOp->opcode==OP_Rowid ); - assert( pOp->opcode!=OP_Column || pOp->p3==iReg+j+2 ); - assert( pOp->opcode!=OP_Rowid || pOp->p2==iReg+j+2 ); - testcase( pOp->opcode==OP_Rowid ); - sqlite3VdbeAddOp3(v, pOp->opcode, pOp->p1, pOp->p2, pOp->p3); + if( (pOp->opcode==OP_Column && pOp->p3==iReg+j+2) + || (pOp->opcode==OP_Rowid && pOp->p2==iReg+j+2) + ){ + testcase( pOp->opcode==OP_Rowid ); + sqlite3VdbeAddOp3(v, pOp->opcode, pOp->p1, pOp->p2, pOp->p3); + break; + } } /* Generate code that will continue to the next row if - ** the IN constraint is not satisfied */ + ** the IN constraint is not satisfied + */ pCompare = sqlite3PExpr(pParse, TK_EQ, 0, 0); - assert( pCompare!=0 || db->mallocFailed ); - if( pCompare ){ - pCompare->pLeft = pTerm->pExpr->pLeft; + if( !db->mallocFailed ){ + int iFld = pTerm->u.x.iField; + Expr *pLeft = pTerm->pExpr->pLeft; + assert( pLeft!=0 ); + if( iFld>0 ){ + assert( pLeft->op==TK_VECTOR ); + assert( ExprUseXList(pLeft) ); + assert( iFld<=pLeft->x.pList->nExpr ); + pCompare->pLeft = pLeft->x.pList->a[iFld-1].pExpr; + }else{ + pCompare->pLeft = pLeft; + } pCompare->pRight = pRight = sqlite3Expr(db, TK_REGISTER, 0); if( pRight ){ pRight->iTable = iReg+j+2; @@ -142959,11 +156139,11 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ); } pCompare->pLeft = 0; - sqlite3ExprDelete(db, pCompare); } + sqlite3ExprDelete(db, pCompare); } } - assert( iIn==0 || db->mallocFailed ); + /* These registers need to be preserved in case there is an IN operator ** loop. So we could deallocate the registers here (and potentially ** reuse them later) if (pLoop->wsFlags & WHERE_IN_ABLE)==0. But it seems @@ -142991,12 +156171,17 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( iRowidReg = codeEqualityTerm(pParse, pTerm, pLevel, 0, bRev, iReleaseReg); if( iRowidReg!=iReleaseReg ) sqlite3ReleaseTempReg(pParse, iReleaseReg); addrNxt = pLevel->addrNxt; + if( pLevel->regFilter ){ + sqlite3VdbeAddOp2(v, OP_MustBeInt, iRowidReg, addrNxt); + VdbeCoverage(v); + sqlite3VdbeAddOp4Int(v, OP_Filter, pLevel->regFilter, addrNxt, + iRowidReg, 1); + VdbeCoverage(v); + filterPullDown(pParse, pWInfo, iLevel, addrNxt, notReady); + } sqlite3VdbeAddOp3(v, OP_SeekRowid, iCur, addrNxt, iRowidReg); VdbeCoverage(v); pLevel->op = OP_Noop; - if( (pTerm->prereqAll & pLevel->notReady)==0 ){ - pTerm->wtFlags |= TERM_CODED; - } }else if( (pLoop->wsFlags & WHERE_IPK)!=0 && (pLoop->wsFlags & WHERE_COLUMN_RANGE)!=0 ){ @@ -143034,7 +156219,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( }; assert( TK_LE==TK_GT+1 ); /* Make sure the ordering.. */ assert( TK_LT==TK_GT+2 ); /* ... of the TK_xx values... */ - assert( TK_GE==TK_GT+3 ); /* ... is correcct. */ + assert( TK_GE==TK_GT+3 ); /* ... is correct. */ assert( (pStart->wtFlags & TERM_VNULL)==0 ); testcase( pStart->wtFlags & TERM_VIRTUAL ); @@ -143172,6 +156357,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( u8 bStopAtNull = 0; /* Add condition to terminate at NULLs */ int omitTable; /* True if we use the index only */ int regBignull = 0; /* big-null flag register */ + int addrSeekScan = 0; /* Opcode of the OP_SeekScan, if any */ pIdx = pLoop->u.btree.pIndex; iIdxCur = pLevel->iIdxCur; @@ -143243,14 +156429,18 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ - if( (nEqnKeyCol && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC)) - || (bRev && pIdx->nKeyCol==nEq) - ){ + if( (nEqnColumn && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC)) ){ SWAP(WhereTerm *, pRangeEnd, pRangeStart); SWAP(u8, bSeekPastNull, bStopAtNull); SWAP(u8, nBtm, nTop); } + if( iLevel>0 && (pLoop->wsFlags & WHERE_IN_SEEKSCAN)!=0 ){ + /* In case OP_SeekScan is used, ensure that the index cursor does not + ** point to a valid row for the first iteration of this loop. */ + sqlite3VdbeAddOp1(v, OP_NullRow, iIdxCur); + } + /* Generate code to evaluate all constraint terms using == or IN ** and store the values of those terms in an array of registers ** starting at regBase. @@ -143310,16 +156500,38 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** above has already left the cursor sitting on the correct row, ** so no further seeking is needed */ }else{ - if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){ - sqlite3VdbeAddOp1(v, OP_SeekHit, iIdxCur); - } if( regBignull ){ sqlite3VdbeAddOp2(v, OP_Integer, 1, regBignull); VdbeComment((v, "NULL-scan pass ctr")); } + if( pLevel->regFilter ){ + sqlite3VdbeAddOp4Int(v, OP_Filter, pLevel->regFilter, addrNxt, + regBase, nEq); + VdbeCoverage(v); + filterPullDown(pParse, pWInfo, iLevel, addrNxt, notReady); + } op = aStartOp[(start_constraints<<2) + (startEq<<1) + bRev]; assert( op!=0 ); + if( (pLoop->wsFlags & WHERE_IN_SEEKSCAN)!=0 && op==OP_SeekGE ){ + assert( regBignull==0 ); + /* TUNING: The OP_SeekScan opcode seeks to reduce the number + ** of expensive seek operations by replacing a single seek with + ** 1 or more step operations. The question is, how many steps + ** should we try before giving up and going with a seek. The cost + ** of a seek is proportional to the logarithm of the of the number + ** of entries in the tree, so basing the number of steps to try + ** on the estimated number of rows in the btree seems like a good + ** guess. */ + addrSeekScan = sqlite3VdbeAddOp1(v, OP_SeekScan, + (pIdx->aiRowLogEst[0]+9)/10); + if( pRangeStart || pRangeEnd ){ + sqlite3VdbeChangeP5(v, 1); + sqlite3VdbeChangeP2(v, addrSeekScan, sqlite3VdbeCurrentAddr(v)+1); + addrSeekScan = 0; + } + VdbeCoverage(v); + } sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint); VdbeCoverage(v); VdbeCoverageIf(v, op==OP_Rewind); testcase( op==OP_Rewind ); @@ -143351,8 +156563,10 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** range (if any). */ nConstraint = nEq; + assert( pLevel->p2==0 ); if( pRangeEnd ){ Expr *pRight = pRangeEnd->pExpr->pRight; + assert( addrSeekScan==0 ); codeExprOrVector(pParse, pRight, regBase+nEq, nTop); whereLikeOptimizationStringFixup(v, pLevel, pRangeEnd); if( (pRangeEnd->wtFlags & TERM_VNULL)==0 @@ -143382,8 +156596,8 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } nConstraint++; } - sqlite3DbFree(db, zStartAff); - sqlite3DbFree(db, zEndAff); + if( zStartAff ) sqlite3DbNNFreeNN(db, zStartAff); + if( zEndAff ) sqlite3DbNNFreeNN(db, zEndAff); /* Top of the loop body */ pLevel->p2 = sqlite3VdbeCurrentAddr(v); @@ -143402,6 +156616,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( testcase( op==OP_IdxGE ); VdbeCoverageIf(v, op==OP_IdxGE ); testcase( op==OP_IdxLT ); VdbeCoverageIf(v, op==OP_IdxLT ); testcase( op==OP_IdxLE ); VdbeCoverageIf(v, op==OP_IdxLE ); + if( addrSeekScan ) sqlite3VdbeJumpHere(v, addrSeekScan); } if( regBignull ){ /* During a NULL-scan, check to see if we have reached the end of @@ -143421,27 +156636,17 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( testcase( op==OP_IdxLE ); VdbeCoverageIf(v, op==OP_IdxLE ); } - if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){ - sqlite3VdbeAddOp2(v, OP_SeekHit, iIdxCur, 1); + if( (pLoop->wsFlags & WHERE_IN_EARLYOUT)!=0 ){ + sqlite3VdbeAddOp3(v, OP_SeekHit, iIdxCur, nEq, nEq); } /* Seek the table cursor, if required */ omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 - && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0; + && (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN))==0; if( omitTable ){ /* pIdx is a covering index. No need to access the main table. */ }else if( HasRowid(pIdx->pTable) ){ - if( (pWInfo->wctrlFlags & WHERE_SEEK_TABLE) - || ( (pWInfo->wctrlFlags & WHERE_SEEK_UNIQ_TABLE)!=0 - && (pWInfo->eOnePass==ONEPASS_SINGLE || pLoop->nLTerm==0) ) - ){ - iRowidReg = ++pParse->nMem; - sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, iRowidReg); - sqlite3VdbeAddOp3(v, OP_NotExists, iCur, 0, iRowidReg); - VdbeCoverage(v); - }else{ - codeDeferredSeek(pWInfo, pIdx, iCur, iIdxCur); - } + codeDeferredSeek(pWInfo, pIdx, iCur, iIdxCur); }else if( iCur!=iIdxCur ){ Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable); iRowidReg = sqlite3GetTempRange(pParse, pPk->nKeyCol); @@ -143454,27 +156659,6 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } if( pLevel->iLeftJoin==0 ){ - /* If pIdx is an index on one or more expressions, then look through - ** all the expressions in pWInfo and try to transform matching expressions - ** into reference to index columns. Also attempt to translate references - ** to virtual columns in the table into references to (stored) columns - ** of the index. - ** - ** Do not do this for the RHS of a LEFT JOIN. This is because the - ** expression may be evaluated after OP_NullRow has been executed on - ** the cursor. In this case it is important to do the full evaluation, - ** as the result of the expression may not be NULL, even if all table - ** column values are. https://www.sqlite.org/src/info/7fa8049685b50b5a - ** - ** Also, do not do this when processing one index an a multi-index - ** OR clause, since the transformation will become invalid once we - ** move forward to the next index. - ** https://sqlite.org/src/info/4e8e4857d32d401f - */ - if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){ - whereIndexExprTrans(pIdx, iCur, iIdxCur, pWInfo); - } - /* If a partial index is driving the loop, try to eliminate WHERE clause ** terms from the query that must be true due to the WHERE clause of ** the partial index. @@ -143490,7 +156674,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( /* The following assert() is not a requirement, merely an observation: ** The OR-optimization doesn't work for the right hand table of ** a LEFT JOIN: */ - assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ); + assert( (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN))==0 ); } /* Record the instruction used to terminate the loop. */ @@ -143568,7 +156752,6 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( int iRetInit; /* Address of regReturn init */ int untestedTerms = 0; /* Some terms not completely tested */ int ii; /* Loop counter */ - u16 wctrlFlags; /* Flags for sub-WHERE clause */ Expr *pAndExpr = 0; /* An ".. AND (...)" expression */ Table *pTab = pTabItem->pTab; @@ -143586,9 +156769,9 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( */ if( pWInfo->nLevel>1 ){ int nNotReady; /* The number of notReady tables */ - struct SrcList_item *origSrc; /* Original list of tables */ + SrcItem *origSrc; /* Original list of tables */ nNotReady = pWInfo->nLevel - iLevel - 1; - pOrTab = sqlite3StackAllocRaw(db, + pOrTab = sqlite3DbMallocRawNN(db, sizeof(*pOrTab)+ nNotReady*sizeof(pOrTab->a[0])); if( pOrTab==0 ) return notReady; pOrTab->nAlloc = (u8)(nNotReady + 1); @@ -143629,7 +156812,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( iRetInit = sqlite3VdbeAddOp2(v, OP_Integer, 0, regReturn); /* If the original WHERE clause is z of the form: (x1 OR x2 OR ...) AND y - ** Then for every term xN, evaluate as the subexpression: xN AND z + ** Then for every term xN, evaluate as the subexpression: xN AND y ** That way, terms in y that are factored into the disjunction will ** be picked up by the recursive calls to sqlite3WhereBegin() below. ** @@ -143641,6 +156824,20 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** This optimization also only applies if the (x1 OR x2 OR ...) term ** is not contained in the ON clause of a LEFT JOIN. ** See ticket http://www.sqlite.org/src/info/f2369304e4 + ** + ** 2022-02-04: Do not push down slices of a row-value comparison. + ** In other words, "w" or "y" may not be a slice of a vector. Otherwise, + ** the initialization of the right-hand operand of the vector comparison + ** might not occur, or might occur only in an OR branch that is not + ** taken. dbsqlfuzz 80a9fade844b4fb43564efc972bcb2c68270f5d1. + ** + ** 2022-03-03: Do not push down expressions that involve subqueries. + ** The subquery might get coded as a subroutine. Any table-references + ** in the subquery might be resolved to index-references for the index on + ** the OR branch in which the subroutine is coded. But if the subroutine + ** is invoked from a different OR branch that uses a different index, such + ** index-references will not work. tag-20220303a + ** https://sqlite.org/forum/forumpost/36937b197273d403 */ if( pWC->nTerm>1 ){ int iTerm; @@ -143649,9 +156846,12 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( if( &pWC->a[iTerm] == pTerm ) continue; testcase( pWC->a[iTerm].wtFlags & TERM_VIRTUAL ); testcase( pWC->a[iTerm].wtFlags & TERM_CODED ); - if( (pWC->a[iTerm].wtFlags & (TERM_VIRTUAL|TERM_CODED))!=0 ) continue; + testcase( pWC->a[iTerm].wtFlags & TERM_SLICE ); + if( (pWC->a[iTerm].wtFlags & (TERM_VIRTUAL|TERM_CODED|TERM_SLICE))!=0 ){ + continue; + } if( (pWC->a[iTerm].eOperator & WO_ALL)==0 ) continue; - testcase( pWC->a[iTerm].wtFlags & TERM_ORINFO ); + if( ExprHasProperty(pExpr, EP_Subquery) ) continue; /* tag-20220303a */ pExpr = sqlite3ExprDup(db, pExpr, 0); pAndExpr = sqlite3ExprAnd(pParse, pAndExpr, pExpr); } @@ -143659,7 +156859,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( /* The extra 0x10000 bit on the opcode is masked off and does not ** become part of the new Expr.op. However, it does make the ** op==TK_AND comparison inside of sqlite3PExpr() false, and this - ** prevents sqlite3PExpr() from implementing AND short-circuit + ** prevents sqlite3PExpr() from applying the AND short-circuit ** optimization, which we do not want here. */ pAndExpr = sqlite3PExpr(pParse, TK_AND|0x10000, 0, pAndExpr); } @@ -143669,27 +156869,32 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** eliminating duplicates from other WHERE clauses, the action for each ** sub-WHERE clause is to to invoke the main loop body as a subroutine. */ - wctrlFlags = WHERE_OR_SUBCLAUSE | (pWInfo->wctrlFlags & WHERE_SEEK_TABLE); ExplainQueryPlan((pParse, 1, "MULTI-INDEX OR")); for(ii=0; iinTerm; ii++){ WhereTerm *pOrTerm = &pOrWc->a[ii]; if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){ WhereInfo *pSubWInfo; /* Info for single OR-term scan */ Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */ + Expr *pDelete; /* Local copy of OR clause term */ int jmp1 = 0; /* Address of jump operation */ testcase( (pTabItem[0].fg.jointype & JT_LEFT)!=0 - && !ExprHasProperty(pOrExpr, EP_FromJoin) + && !ExprHasProperty(pOrExpr, EP_OuterON) ); /* See TH3 vtab25.400 and ticket 614b25314c766238 */ + pDelete = pOrExpr = sqlite3ExprDup(db, pOrExpr, 0); + if( db->mallocFailed ){ + sqlite3ExprDelete(db, pDelete); + continue; + } if( pAndExpr ){ pAndExpr->pLeft = pOrExpr; pOrExpr = pAndExpr; } /* Loop through table entries that match term pOrTerm. */ ExplainQueryPlan((pParse, 1, "INDEX %d", ii+1)); - WHERETRACE(0xffff, ("Subplan for OR-clause:\n")); - pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0, - wctrlFlags, iCovCur); - assert( pSubWInfo || pParse->nErr || db->mallocFailed ); + WHERETRACE(0xffffffff, ("Subplan for OR-clause:\n")); + pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0, 0, + WHERE_OR_SUBCLAUSE, iCovCur); + assert( pSubWInfo || pParse->nErr ); if( pSubWInfo ){ WhereLoop *pSubLoop; int addrExplain = sqlite3WhereExplainOneScan( @@ -143786,15 +156991,22 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( }else{ pCov = 0; } + if( sqlite3WhereUsesDeferredSeek(pSubWInfo) ){ + pWInfo->bDeferredSeek = 1; + } /* Finish the loop through table entries that match term pOrTerm. */ sqlite3WhereEnd(pSubWInfo); ExplainQueryPlanPop(pParse); } + sqlite3ExprDelete(db, pDelete); } } ExplainQueryPlanPop(pParse); - pLevel->u.pCovidx = pCov; + assert( pLevel->pWLoop==pLoop ); + assert( (pLoop->wsFlags & WHERE_MULTI_OR)!=0 ); + assert( (pLoop->wsFlags & WHERE_IN_ABLE)==0 ); + pLevel->u.pCoveringIdx = pCov; if( pCov ) pLevel->iIdxCur = iCovCur; if( pAndExpr ){ pAndExpr->pLeft = 0; @@ -143804,7 +157016,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( sqlite3VdbeGoto(v, pLevel->addrBrk); sqlite3VdbeResolveLabel(v, iLoopBody); - if( pWInfo->nLevel>1 ){ sqlite3StackFree(db, pOrTab); } + /* Set the P2 operand of the OP_Return opcode that will end the current + ** loop to point to this spot, which is the top of the next containing + ** loop. The byte-code formatter will use that P2 value as a hint to + ** indent everything in between the this point and the final OP_Return. + ** See tag-20220407a in vdbe.c and shell.c */ + assert( pLevel->op==OP_Return ); + pLevel->p2 = sqlite3VdbeCurrentAddr(v); + + if( pWInfo->nLevel>1 ){ sqlite3DbFreeNN(db, pOrTab); } if( !untestedTerms ) disableTerm(pLevel, pTerm); }else #endif /* SQLITE_OMIT_OR_OPTIMIZATION */ @@ -143866,10 +157086,22 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } pE = pTerm->pExpr; assert( pE!=0 ); - if( (pTabItem->fg.jointype&JT_LEFT) && !ExprHasProperty(pE,EP_FromJoin) ){ - continue; + if( pTabItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT) ){ + if( !ExprHasProperty(pE,EP_OuterON|EP_InnerON) ){ + /* Defer processing WHERE clause constraints until after outer + ** join processing. tag-20220513a */ + continue; + }else if( (pTabItem->fg.jointype & JT_LEFT)==JT_LEFT + && !ExprHasProperty(pE,EP_OuterON) ){ + continue; + }else{ + Bitmask m = sqlite3WhereGetMask(&pWInfo->sMaskSet, pE->w.iJoin); + if( m & pLevel->notReady ){ + /* An ON clause that is not ripe */ + continue; + } + } } - if( iLoop==1 && !sqlite3ExprCoveredByIndex(pE, pLevel->iTabCur, pIdx) ){ iNext = 2; continue; @@ -143896,12 +157128,12 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } #endif } -#ifdef WHERETRACE_ENABLED /* 0xffff */ +#ifdef WHERETRACE_ENABLED /* 0xffffffff */ if( sqlite3WhereTrace ){ VdbeNoopComment((v, "WhereTerm[%d] (%p) priority=%d", pWC->nTerm-j, pTerm, iLoop)); } - if( sqlite3WhereTrace & 0x800 ){ + if( sqlite3WhereTrace & 0x4000 ){ sqlite3DebugPrintf("Coding auxiliary constraint:\n"); sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); } @@ -143921,29 +157153,30 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** then we cannot use the "t1.a=t2.b" constraint, but we can code ** the implied "t1.a=123" constraint. */ - for(pTerm=pWC->a, j=pWC->nTerm; j>0; j--, pTerm++){ + for(pTerm=pWC->a, j=pWC->nBase; j>0; j--, pTerm++){ Expr *pE, sEAlt; WhereTerm *pAlt; if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) continue; if( (pTerm->eOperator & WO_EQUIV)==0 ) continue; if( pTerm->leftCursor!=iCur ) continue; - if( pTabItem->fg.jointype & JT_LEFT ) continue; + if( pTabItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT) ) continue; pE = pTerm->pExpr; -#ifdef WHERETRACE_ENABLED /* 0x800 */ - if( sqlite3WhereTrace & 0x800 ){ +#ifdef WHERETRACE_ENABLED /* 0x4001 */ + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ sqlite3DebugPrintf("Coding transitive constraint:\n"); sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); } #endif - assert( !ExprHasProperty(pE, EP_FromJoin) ); + assert( !ExprHasProperty(pE, EP_OuterON) ); assert( (pTerm->prereqRight & pLevel->notReady)!=0 ); - pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.leftColumn, notReady, + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.x.leftColumn, notReady, WO_EQ|WO_IN|WO_IS, 0); if( pAlt==0 ) continue; if( pAlt->wtFlags & (TERM_CODED) ) continue; if( (pAlt->eOperator & WO_IN) - && (pAlt->pExpr->flags & EP_xIsSelect) + && ExprUseXSelect(pAlt->pExpr) && (pAlt->pExpr->x.pSelect->pEList->nExpr>1) ){ continue; @@ -143955,6 +157188,48 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( sEAlt = *pAlt->pExpr; sEAlt.pLeft = pE->pLeft; sqlite3ExprIfFalse(pParse, &sEAlt, addrCont, SQLITE_JUMPIFNULL); + pAlt->wtFlags |= TERM_CODED; + } + + /* For a RIGHT OUTER JOIN, record the fact that the current row has + ** been matched at least once. + */ + if( pLevel->pRJ ){ + Table *pTab; + int nPk; + int r; + int jmp1 = 0; + WhereRightJoin *pRJ = pLevel->pRJ; + + /* pTab is the right-hand table of the RIGHT JOIN. Generate code that + ** will record that the current row of that table has been matched at + ** least once. This is accomplished by storing the PK for the row in + ** both the iMatch index and the regBloom Bloom filter. + */ + pTab = pWInfo->pTabList->a[pLevel->iFrom].pTab; + if( HasRowid(pTab) ){ + r = sqlite3GetTempRange(pParse, 2); + sqlite3ExprCodeGetColumnOfTable(v, pTab, pLevel->iTabCur, -1, r+1); + nPk = 1; + }else{ + int iPk; + Index *pPk = sqlite3PrimaryKeyIndex(pTab); + nPk = pPk->nKeyCol; + r = sqlite3GetTempRange(pParse, nPk+1); + for(iPk=0; iPkaiColumn[iPk]; + sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, iCol,r+1+iPk); + } + } + jmp1 = sqlite3VdbeAddOp4Int(v, OP_Found, pRJ->iMatch, 0, r+1, nPk); + VdbeCoverage(v); + VdbeComment((v, "match against %s", pTab->zName)); + sqlite3VdbeAddOp3(v, OP_MakeRecord, r+1, nPk, r); + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, pRJ->iMatch, r, r+1, nPk); + sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pRJ->regBloom, 0, r+1, nPk); + sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); + sqlite3VdbeJumpHere(v, jmp1); + sqlite3ReleaseTempRange(pParse, r, nPk+1); } /* For a LEFT OUTER JOIN, generate code that will record the fact that @@ -143964,7 +157239,31 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pLevel->addrFirst = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp2(v, OP_Integer, 1, pLevel->iLeftJoin); VdbeComment((v, "record LEFT JOIN hit")); - for(pTerm=pWC->a, j=0; jnTerm; j++, pTerm++){ + if( pLevel->pRJ==0 ){ + goto code_outer_join_constraints; /* WHERE clause constraints */ + } + } + + if( pLevel->pRJ ){ + /* Create a subroutine used to process all interior loops and code + ** of the RIGHT JOIN. During normal operation, the subroutine will + ** be in-line with the rest of the code. But at the end, a separate + ** loop will run that invokes this subroutine for unmatched rows + ** of pTab, with all tables to left begin set to NULL. + */ + WhereRightJoin *pRJ = pLevel->pRJ; + sqlite3VdbeAddOp2(v, OP_BeginSubrtn, 0, pRJ->regReturn); + pRJ->addrSubrtn = sqlite3VdbeCurrentAddr(v); + assert( pParse->withinRJSubrtn < 255 ); + pParse->withinRJSubrtn++; + + /* WHERE clause constraints must be deferred until after outer join + ** row elimination has completed, since WHERE clause constraints apply + ** to the results of the OUTER JOIN. The following loop generates the + ** appropriate WHERE clause constraint checks. tag-20220513a. + */ + code_outer_join_constraints: + for(pTerm=pWC->a, j=0; jnBase; j++, pTerm++){ testcase( pTerm->wtFlags & TERM_VIRTUAL ); testcase( pTerm->wtFlags & TERM_CODED ); if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; @@ -143972,19 +157271,20 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( assert( pWInfo->untestedTerms ); continue; } + if( pTabItem->fg.jointype & JT_LTORJ ) continue; assert( pTerm->pExpr ); sqlite3ExprIfFalse(pParse, pTerm->pExpr, addrCont, SQLITE_JUMPIFNULL); pTerm->wtFlags |= TERM_CODED; } } -#if WHERETRACE_ENABLED /* 0x20800 */ - if( sqlite3WhereTrace & 0x20000 ){ +#if WHERETRACE_ENABLED /* 0x4001 */ + if( sqlite3WhereTrace & 0x4000 ){ sqlite3DebugPrintf("All WHERE-clause terms after coding level %d:\n", iLevel); sqlite3WhereClausePrint(pWC); } - if( sqlite3WhereTrace & 0x800 ){ + if( sqlite3WhereTrace & 0x1 ){ sqlite3DebugPrintf("End Coding level %d: notReady=%llx\n", iLevel, (u64)pLevel->notReady); } @@ -143992,6 +157292,96 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( return pLevel->notReady; } +/* +** Generate the code for the loop that finds all non-matched terms +** for a RIGHT JOIN. +*/ +SQLITE_PRIVATE SQLITE_NOINLINE void sqlite3WhereRightJoinLoop( + WhereInfo *pWInfo, + int iLevel, + WhereLevel *pLevel +){ + Parse *pParse = pWInfo->pParse; + Vdbe *v = pParse->pVdbe; + WhereRightJoin *pRJ = pLevel->pRJ; + Expr *pSubWhere = 0; + WhereClause *pWC = &pWInfo->sWC; + WhereInfo *pSubWInfo; + WhereLoop *pLoop = pLevel->pWLoop; + SrcItem *pTabItem = &pWInfo->pTabList->a[pLevel->iFrom]; + SrcList sFrom; + Bitmask mAll = 0; + int k; + + ExplainQueryPlan((pParse, 1, "RIGHT-JOIN %s", pTabItem->pTab->zName)); + sqlite3VdbeNoJumpsOutsideSubrtn(v, pRJ->addrSubrtn, pRJ->endSubrtn, + pRJ->regReturn); + for(k=0; ka[k].pWLoop->maskSelf; + sqlite3VdbeAddOp1(v, OP_NullRow, pWInfo->a[k].iTabCur); + iIdxCur = pWInfo->a[k].iIdxCur; + if( iIdxCur ){ + sqlite3VdbeAddOp1(v, OP_NullRow, iIdxCur); + } + } + if( (pTabItem->fg.jointype & JT_LTORJ)==0 ){ + mAll |= pLoop->maskSelf; + for(k=0; knTerm; k++){ + WhereTerm *pTerm = &pWC->a[k]; + if( (pTerm->wtFlags & (TERM_VIRTUAL|TERM_SLICE))!=0 + && pTerm->eOperator!=WO_ROWVAL + ){ + break; + } + if( pTerm->prereqAll & ~mAll ) continue; + if( ExprHasProperty(pTerm->pExpr, EP_OuterON|EP_InnerON) ) continue; + pSubWhere = sqlite3ExprAnd(pParse, pSubWhere, + sqlite3ExprDup(pParse->db, pTerm->pExpr, 0)); + } + } + sFrom.nSrc = 1; + sFrom.nAlloc = 1; + memcpy(&sFrom.a[0], pTabItem, sizeof(SrcItem)); + sFrom.a[0].fg.jointype = 0; + assert( pParse->withinRJSubrtn < 100 ); + pParse->withinRJSubrtn++; + pSubWInfo = sqlite3WhereBegin(pParse, &sFrom, pSubWhere, 0, 0, 0, + WHERE_RIGHT_JOIN, 0); + if( pSubWInfo ){ + int iCur = pLevel->iTabCur; + int r = ++pParse->nMem; + int nPk; + int jmp; + int addrCont = sqlite3WhereContinueLabel(pSubWInfo); + Table *pTab = pTabItem->pTab; + if( HasRowid(pTab) ){ + sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, -1, r); + nPk = 1; + }else{ + int iPk; + Index *pPk = sqlite3PrimaryKeyIndex(pTab); + nPk = pPk->nKeyCol; + pParse->nMem += nPk - 1; + for(iPk=0; iPkaiColumn[iPk]; + sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, iCol,r+iPk); + } + } + jmp = sqlite3VdbeAddOp4Int(v, OP_Filter, pRJ->regBloom, 0, r, nPk); + VdbeCoverage(v); + sqlite3VdbeAddOp4Int(v, OP_Found, pRJ->iMatch, addrCont, r, nPk); + VdbeCoverage(v); + sqlite3VdbeJumpHere(v, jmp); + sqlite3VdbeAddOp2(v, OP_Gosub, pRJ->regReturn, pRJ->addrSubrtn); + sqlite3WhereEnd(pSubWInfo); + } + sqlite3ExprDelete(pParse->db, pSubWhere); + ExplainQueryPlanPop(pParse); + assert( pParse->withinRJSubrtn>0 ); + pParse->withinRJSubrtn--; +} + /************** End of wherecode.c *******************************************/ /************** Begin file whereexpr.c ***************************************/ /* @@ -144009,7 +157399,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** the WHERE clause of SQL statements. ** ** This file was originally part of where.c but was split out to improve -** readability and editabiliity. This file contains utility routines for +** readability and editability. This file contains utility routines for ** analyzing Expr objects in the WHERE clause. */ /* #include "sqliteInt.h" */ @@ -144060,7 +157450,7 @@ static int whereClauseInsert(WhereClause *pWC, Expr *p, u16 wtFlags){ if( pWC->nTerm>=pWC->nSlot ){ WhereTerm *pOld = pWC->a; sqlite3 *db = pWC->pWInfo->pParse->db; - pWC->a = sqlite3DbMallocRawNN(db, sizeof(pWC->a[0])*pWC->nSlot*2 ); + pWC->a = sqlite3WhereMalloc(pWC->pWInfo, sizeof(pWC->a[0])*pWC->nSlot*2 ); if( pWC->a==0 ){ if( wtFlags & TERM_DYNAMIC ){ sqlite3ExprDelete(db, p); @@ -144069,12 +157459,10 @@ static int whereClauseInsert(WhereClause *pWC, Expr *p, u16 wtFlags){ return 0; } memcpy(pWC->a, pOld, sizeof(pWC->a[0])*pWC->nTerm); - if( pOld!=pWC->aStatic ){ - sqlite3DbFree(db, pOld); - } - pWC->nSlot = sqlite3DbMallocSize(db, pWC->a)/sizeof(pWC->a[0]); + pWC->nSlot = pWC->nSlot*2; } pTerm = &pWC->a[idx = pWC->nTerm++]; + if( (wtFlags & TERM_VIRTUAL)==0 ) pWC->nBase = pWC->nTerm; if( p && ExprHasProperty(p, EP_Unlikely) ){ pTerm->truthProb = sqlite3LogEst(p->iTable) - 270; }else{ @@ -144191,6 +157579,7 @@ static int isLikeOrGlob( #ifdef SQLITE_EBCDIC if( *pnoCase ) return 0; #endif + assert( ExprUseXList(pExpr) ); pList = pExpr->x.pList; pLeft = pList->a[1].pExpr; @@ -144206,7 +157595,8 @@ static int isLikeOrGlob( sqlite3VdbeSetVarmask(pParse->pVdbe, iCol); assert( pRight->op==TK_VARIABLE || pRight->op==TK_REGISTER ); }else if( op==TK_STRING ){ - z = (u8*)pRight->u.zToken; + assert( !ExprHasProperty(pRight, EP_IntValue) ); + z = (u8*)pRight->u.zToken; } if( z ){ @@ -144225,7 +157615,7 @@ static int isLikeOrGlob( ** range search. The third is because the caller assumes that the pattern ** consists of at least one character after all escapes have been ** removed. */ - if( cnt!=0 && 255!=(u8)z[cnt-1] && (cnt>1 || z[0]!=wc[3]) ){ + if( (cnt>1 || (cnt>0 && z[0]!=wc[3])) && 255!=(u8)z[cnt-1] ){ Expr *pPrefix; /* A "complete" match if the pattern ends with "*" or "%" */ @@ -144235,7 +157625,9 @@ static int isLikeOrGlob( pPrefix = sqlite3Expr(db, TK_STRING, (char*)z); if( pPrefix ){ int iFrom, iTo; - char *zNew = pPrefix->u.zToken; + char *zNew; + assert( !ExprHasProperty(pPrefix, EP_IntValue) ); + zNew = pPrefix->u.zToken; zNew[cnt] = 0; for(iFrom=iTo=0; iFromop!=TK_COLUMN || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT - || IsVirtual(pLeft->y.pTab) /* Value might be numeric */ + || (ALWAYS( ExprUseYTab(pLeft) ) + && ALWAYS(pLeft->y.pTab) + && IsVirtual(pLeft->y.pTab)) /* Might be numeric */ ){ int isNum; double rDummy; @@ -144287,6 +157681,7 @@ static int isLikeOrGlob( if( op==TK_VARIABLE ){ Vdbe *v = pParse->pVdbe; sqlite3VdbeSetVarmask(v, pRight->iColumn); + assert( !ExprHasProperty(pRight, EP_IntValue) ); if( *pisComplete && pRight->u.zToken[1] ){ /* If the rhs of the LIKE expression is a variable, and the current ** value of the variable means there is no need to invoke the LIKE @@ -144360,6 +157755,7 @@ static int isAuxiliaryVtabOperator( Expr *pCol; /* Column reference */ int i; + assert( ExprUseXList(pExpr) ); pList = pExpr->x.pList; if( pList==0 || pList->nExpr!=2 ){ return 0; @@ -144373,9 +157769,10 @@ static int isAuxiliaryVtabOperator( ** MATCH(expression,vtab_column) */ pCol = pList->a[1].pExpr; - testcase( pCol->op==TK_COLUMN && pCol->y.pTab==0 ); + assert( pCol->op!=TK_COLUMN || (ExprUseYTab(pCol) && pCol->y.pTab!=0) ); if( ExprIsVtab(pCol) ){ for(i=0; iu.zToken, aOp[i].zOp)==0 ){ *peOp2 = aOp[i].eOp2; *ppRight = pList->a[0].pExpr; @@ -144396,7 +157793,8 @@ static int isAuxiliaryVtabOperator( ** with function names in an arbitrary case. */ pCol = pList->a[0].pExpr; - testcase( pCol->op==TK_COLUMN && pCol->y.pTab==0 ); + assert( pCol->op!=TK_COLUMN || ExprUseYTab(pCol) ); + assert( pCol->op!=TK_COLUMN || (ExprUseYTab(pCol) && pCol->y.pTab!=0) ); if( ExprIsVtab(pCol) ){ sqlite3_vtab *pVtab; sqlite3_module *pMod; @@ -144405,6 +157803,7 @@ static int isAuxiliaryVtabOperator( pVtab = sqlite3GetVTable(db, pCol->y.pTab)->pVtab; assert( pVtab!=0 ); assert( pVtab->pModule!=0 ); + assert( !ExprHasProperty(pExpr, EP_IntValue) ); pMod = (sqlite3_module *)pVtab->pModule; if( pMod->xFindFunction!=0 ){ i = pMod->xFindFunction(pVtab,2, pExpr->u.zToken, &xNotUsed, &pNotUsed); @@ -144420,11 +157819,12 @@ static int isAuxiliaryVtabOperator( int res = 0; Expr *pLeft = pExpr->pLeft; Expr *pRight = pExpr->pRight; - testcase( pLeft->op==TK_COLUMN && pLeft->y.pTab==0 ); + assert( pLeft->op!=TK_COLUMN || (ExprUseYTab(pLeft) && pLeft->y.pTab!=0) ); if( ExprIsVtab(pLeft) ){ res++; } - testcase( pRight && pRight->op==TK_COLUMN && pRight->y.pTab==0 ); + assert( pRight==0 || pRight->op!=TK_COLUMN + || (ExprUseYTab(pRight) && pRight->y.pTab!=0) ); if( pRight && ExprIsVtab(pRight) ){ res++; SWAP(Expr*, pLeft, pRight); @@ -144445,9 +157845,9 @@ static int isAuxiliaryVtabOperator( ** a join, then transfer the appropriate markings over to derived. */ static void transferJoinMarkings(Expr *pDerived, Expr *pBase){ - if( pDerived ){ - pDerived->flags |= pBase->flags & EP_FromJoin; - pDerived->iRightJoinTable = pBase->iRightJoinTable; + if( pDerived && ExprHasProperty(pBase, EP_OuterON|EP_InnerON) ){ + pDerived->flags |= pBase->flags & (EP_OuterON|EP_InnerON); + pDerived->w.iJoin = pBase->w.iJoin; } } @@ -144507,6 +157907,7 @@ static void whereCombineDisjuncts( int op; /* Operator for the combined expression */ int idxNew; /* Index in pWC of the next virtual term */ + if( (pOne->wtFlags | pTwo->wtFlags) & TERM_VNULL ) return; if( (pOne->eOperator & (WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE))==0 ) return; if( (pTwo->eOperator & (WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE))==0 ) return; if( (eOp & (WO_EQ|WO_LT|WO_LE))!=eOp @@ -144675,6 +158076,7 @@ static void exprAnalyzeOrTerm( pOrTerm->u.pAndInfo = pAndInfo; pOrTerm->wtFlags |= TERM_ANDINFO; pOrTerm->eOperator = WO_AND; + pOrTerm->leftCursor = -1; pAndWC = &pAndInfo->wc; memset(pAndWC->aStatic, 0, sizeof(pAndWC->aStatic)); sqlite3WhereClauseInit(pAndWC, pWC->pWInfo); @@ -144717,11 +158119,10 @@ static void exprAnalyzeOrTerm( ** empty. */ pOrInfo->indexable = indexable; + pTerm->eOperator = WO_OR; + pTerm->leftCursor = -1; if( indexable ){ - pTerm->eOperator = WO_OR; pWC->hasOr = 1; - }else{ - pTerm->eOperator = WO_OR; } /* For a two-way OR, attempt to implementation case 2. @@ -144776,7 +158177,7 @@ static void exprAnalyzeOrTerm( pOrTerm = pOrWc->a; for(i=pOrWc->nTerm-1; i>=0; i--, pOrTerm++){ assert( pOrTerm->eOperator & WO_EQ ); - pOrTerm->wtFlags &= ~TERM_OR_OK; + pOrTerm->wtFlags &= ~TERM_OK; if( pOrTerm->leftCursor==iCursor ){ /* This is the 2-bit case and we are on the second iteration and ** current term is from the first iteration. So skip this term. */ @@ -144787,14 +158188,15 @@ static void exprAnalyzeOrTerm( pOrTerm->leftCursor))==0 ){ /* This term must be of the form t1.a==t2.b where t2 is in the ** chngToIN set but t1 is not. This term will be either preceded - ** or follwed by an inverted copy (t2.b==t1.a). Skip this term + ** or followed by an inverted copy (t2.b==t1.a). Skip this term ** and use its inversion. */ testcase( pOrTerm->wtFlags & TERM_COPIED ); testcase( pOrTerm->wtFlags & TERM_VIRTUAL ); assert( pOrTerm->wtFlags & (TERM_COPIED|TERM_VIRTUAL) ); continue; } - iColumn = pOrTerm->u.leftColumn; + assert( (pOrTerm->eOperator & (WO_OR|WO_AND))==0 ); + iColumn = pOrTerm->u.x.leftColumn; iCursor = pOrTerm->leftCursor; pLeft = pOrTerm->pExpr->pLeft; break; @@ -144814,9 +158216,10 @@ static void exprAnalyzeOrTerm( okToChngToIN = 1; for(; i>=0 && okToChngToIN; i--, pOrTerm++){ assert( pOrTerm->eOperator & WO_EQ ); + assert( (pOrTerm->eOperator & (WO_OR|WO_AND))==0 ); if( pOrTerm->leftCursor!=iCursor ){ - pOrTerm->wtFlags &= ~TERM_OR_OK; - }else if( pOrTerm->u.leftColumn!=iColumn || (iColumn==XN_EXPR + pOrTerm->wtFlags &= ~TERM_OK; + }else if( pOrTerm->u.x.leftColumn!=iColumn || (iColumn==XN_EXPR && sqlite3ExprCompare(pParse, pOrTerm->pExpr->pLeft, pLeft, -1) )){ okToChngToIN = 0; @@ -144831,7 +158234,7 @@ static void exprAnalyzeOrTerm( if( affRight!=0 && affRight!=affLeft ){ okToChngToIN = 0; }else{ - pOrTerm->wtFlags |= TERM_OR_OK; + pOrTerm->wtFlags |= TERM_OK; } } } @@ -144848,10 +158251,11 @@ static void exprAnalyzeOrTerm( Expr *pNew; /* The complete IN operator */ for(i=pOrWc->nTerm-1, pOrTerm=pOrWc->a; i>=0; i--, pOrTerm++){ - if( (pOrTerm->wtFlags & TERM_OR_OK)==0 ) continue; + if( (pOrTerm->wtFlags & TERM_OK)==0 ) continue; assert( pOrTerm->eOperator & WO_EQ ); + assert( (pOrTerm->eOperator & (WO_OR|WO_AND))==0 ); assert( pOrTerm->leftCursor==iCursor ); - assert( pOrTerm->u.leftColumn==iColumn ); + assert( pOrTerm->u.x.leftColumn==iColumn ); pDup = sqlite3ExprDup(db, pOrTerm->pExpr->pRight, 0); pList = sqlite3ExprListAppend(pWInfo->pParse, pList, pDup); pLeft = pOrTerm->pExpr->pLeft; @@ -144862,12 +158266,12 @@ static void exprAnalyzeOrTerm( if( pNew ){ int idxNew; transferJoinMarkings(pNew, pExpr); - assert( !ExprHasProperty(pNew, EP_xIsSelect) ); + assert( ExprUseXList(pNew) ); pNew->x.pList = pList; idxNew = whereClauseInsert(pWC, pNew, TERM_VIRTUAL|TERM_DYNAMIC); testcase( idxNew==0 ); exprAnalyze(pSrc, pWC, idxNew); - /* pTerm = &pWC->a[idxTerm]; // would be needed if pTerm where used again */ + /* pTerm = &pWC->a[idxTerm]; // would be needed if pTerm where reused */ markTermAsChild(pWC, idxNew, idxTerm); }else{ sqlite3ExprListDelete(db, pList); @@ -144897,7 +158301,7 @@ static int termIsEquivalence(Parse *pParse, Expr *pExpr){ CollSeq *pColl; if( !OptimizationEnabled(pParse->db, SQLITE_Transitive) ) return 0; if( pExpr->op!=TK_EQ && pExpr->op!=TK_IS ) return 0; - if( ExprHasProperty(pExpr, EP_FromJoin) ) return 0; + if( ExprHasProperty(pExpr, EP_OuterON) ) return 0; aff1 = sqlite3ExprAffinity(pExpr->pLeft); aff2 = sqlite3ExprAffinity(pExpr->pRight); if( aff1!=aff2 @@ -144928,7 +158332,9 @@ static Bitmask exprSelectUsage(WhereMaskSet *pMaskSet, Select *pS){ int i; for(i=0; inSrc; i++){ mask |= exprSelectUsage(pMaskSet, pSrc->a[i].pSelect); - mask |= sqlite3WhereExprUsage(pMaskSet, pSrc->a[i].pOn); + if( pSrc->a[i].fg.isUsing==0 ){ + mask |= sqlite3WhereExprUsage(pMaskSet, pSrc->a[i].u3.pOn); + } if( pSrc->a[i].fg.isTabFunc ){ mask |= sqlite3WhereExprListUsage(pMaskSet, pSrc->a[i].u1.pFuncArg); } @@ -144954,35 +158360,40 @@ static Bitmask exprSelectUsage(WhereMaskSet *pMaskSet, Select *pS){ */ static SQLITE_NOINLINE int exprMightBeIndexed2( SrcList *pFrom, /* The FROM clause */ - Bitmask mPrereq, /* Bitmask of FROM clause terms referenced by pExpr */ int *aiCurCol, /* Write the referenced table cursor and column here */ - Expr *pExpr /* An operand of a comparison operator */ + Expr *pExpr, /* An operand of a comparison operator */ + int j /* Start looking with the j-th pFrom entry */ ){ Index *pIdx; int i; int iCur; - for(i=0; mPrereq>1; i++, mPrereq>>=1){} - iCur = pFrom->a[i].iCursor; - for(pIdx=pFrom->a[i].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - if( pIdx->aColExpr==0 ) continue; - for(i=0; inKeyCol; i++){ - if( pIdx->aiColumn[i]!=XN_EXPR ) continue; - if( sqlite3ExprCompareSkip(pExpr, pIdx->aColExpr->a[i].pExpr, iCur)==0 ){ - aiCurCol[0] = iCur; - aiCurCol[1] = XN_EXPR; - return 1; + do{ + iCur = pFrom->a[j].iCursor; + for(pIdx=pFrom->a[j].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + if( pIdx->aColExpr==0 ) continue; + for(i=0; inKeyCol; i++){ + if( pIdx->aiColumn[i]!=XN_EXPR ) continue; + assert( pIdx->bHasExpr ); + if( sqlite3ExprCompareSkip(pExpr,pIdx->aColExpr->a[i].pExpr,iCur)==0 + && pExpr->op!=TK_STRING + ){ + aiCurCol[0] = iCur; + aiCurCol[1] = XN_EXPR; + return 1; + } } } - } + }while( ++j < pFrom->nSrc ); return 0; } static int exprMightBeIndexed( SrcList *pFrom, /* The FROM clause */ - Bitmask mPrereq, /* Bitmask of FROM clause terms referenced by pExpr */ int *aiCurCol, /* Write the referenced table cursor & column here */ Expr *pExpr, /* An operand of a comparison operator */ int op /* The specific comparison operator */ ){ + int i; + /* If this expression is a vector to the left or right of a ** inequality constraint (>, <, >= or <=), perform the processing ** on the first element of the vector. */ @@ -144990,6 +158401,7 @@ static int exprMightBeIndexed( assert( TK_ISop==TK_VECTOR && (op>=TK_GT && ALWAYS(op<=TK_GE)) ){ + assert( ExprUseXList(pExpr) ); pExpr = pExpr->x.pList->a[0].pExpr; } @@ -144998,11 +158410,19 @@ static int exprMightBeIndexed( aiCurCol[1] = pExpr->iColumn; return 1; } - if( mPrereq==0 ) return 0; /* No table references */ - if( (mPrereq&(mPrereq-1))!=0 ) return 0; /* Refs more than one table */ - return exprMightBeIndexed2(pFrom,mPrereq,aiCurCol,pExpr); + + for(i=0; inSrc; i++){ + Index *pIdx; + for(pIdx=pFrom->a[i].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + if( pIdx->aColExpr ){ + return exprMightBeIndexed2(pFrom,aiCurCol,pExpr,i); + } + } + } + return 0; } + /* ** The input to this routine is an WhereTerm structure with only the ** "pExpr" field filled in. The job of this routine is to analyze the @@ -145030,8 +158450,8 @@ static void exprAnalyze( WhereTerm *pTerm; /* The term to be analyzed */ WhereMaskSet *pMaskSet; /* Set of table index masks */ Expr *pExpr; /* The expression to be analyzed */ - Bitmask prereqLeft; /* Prerequesites of the pExpr->pLeft */ - Bitmask prereqAll; /* Prerequesites of pExpr */ + Bitmask prereqLeft; /* Prerequisites of the pExpr->pLeft */ + Bitmask prereqAll; /* Prerequisites of pExpr */ Bitmask extraRight = 0; /* Extra dependencies on LEFT JOIN */ Expr *pStr1 = 0; /* RHS of LIKE/GLOB operator */ int isComplete = 0; /* RHS of LIKE/GLOB ends with wildcard */ @@ -145045,36 +158465,67 @@ static void exprAnalyze( if( db->mallocFailed ){ return; } + assert( pWC->nTerm > idxTerm ); pTerm = &pWC->a[idxTerm]; pMaskSet = &pWInfo->sMaskSet; pExpr = pTerm->pExpr; + assert( pExpr!=0 ); /* Because malloc() has not failed */ assert( pExpr->op!=TK_AS && pExpr->op!=TK_COLLATE ); + pMaskSet->bVarSelect = 0; prereqLeft = sqlite3WhereExprUsage(pMaskSet, pExpr->pLeft); op = pExpr->op; if( op==TK_IN ){ assert( pExpr->pRight==0 ); if( sqlite3ExprCheckIN(pParse, pExpr) ) return; - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ pTerm->prereqRight = exprSelectUsage(pMaskSet, pExpr->x.pSelect); }else{ pTerm->prereqRight = sqlite3WhereExprListUsage(pMaskSet, pExpr->x.pList); } - }else if( op==TK_ISNULL ){ - pTerm->prereqRight = 0; + prereqAll = prereqLeft | pTerm->prereqRight; }else{ pTerm->prereqRight = sqlite3WhereExprUsage(pMaskSet, pExpr->pRight); + if( pExpr->pLeft==0 + || ExprHasProperty(pExpr, EP_xIsSelect|EP_IfNullRow) + || pExpr->x.pList!=0 + ){ + prereqAll = sqlite3WhereExprUsageNN(pMaskSet, pExpr); + }else{ + prereqAll = prereqLeft | pTerm->prereqRight; + } } - pMaskSet->bVarSelect = 0; - prereqAll = sqlite3WhereExprUsageNN(pMaskSet, pExpr); if( pMaskSet->bVarSelect ) pTerm->wtFlags |= TERM_VARSELECT; - if( ExprHasProperty(pExpr, EP_FromJoin) ){ - Bitmask x = sqlite3WhereGetMask(pMaskSet, pExpr->iRightJoinTable); - prereqAll |= x; - extraRight = x-1; /* ON clause terms may not be used with an index - ** on left table of a LEFT JOIN. Ticket #3015 */ - if( (prereqAll>>1)>=x ){ - sqlite3ErrorMsg(pParse, "ON clause references tables to its right"); - return; + +#ifdef SQLITE_DEBUG + if( prereqAll!=sqlite3WhereExprUsageNN(pMaskSet, pExpr) ){ + printf("\n*** Incorrect prereqAll computed for:\n"); + sqlite3TreeViewExpr(0,pExpr,0); + assert( 0 ); + } +#endif + + if( ExprHasProperty(pExpr, EP_OuterON|EP_InnerON) ){ + Bitmask x = sqlite3WhereGetMask(pMaskSet, pExpr->w.iJoin); + if( ExprHasProperty(pExpr, EP_OuterON) ){ + prereqAll |= x; + extraRight = x-1; /* ON clause terms may not be used with an index + ** on left table of a LEFT JOIN. Ticket #3015 */ + if( (prereqAll>>1)>=x ){ + sqlite3ErrorMsg(pParse, "ON clause references tables to its right"); + return; + } + }else if( (prereqAll>>1)>=x ){ + /* The ON clause of an INNER JOIN references a table to its right. + ** Most other SQL database engines raise an error. But SQLite versions + ** 3.0 through 3.38 just put the ON clause constraint into the WHERE + ** clause and carried on. Beginning with 3.39, raise an error only + ** if there is a RIGHT or FULL JOIN in the query. This makes SQLite + ** more like other systems, and also preserves legacy. */ + if( ALWAYS(pSrc->nSrc>0) && (pSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ + sqlite3ErrorMsg(pParse, "ON clause references tables to its right"); + return; + } + ExprClearProperty(pExpr, EP_InnerON); } } pTerm->prereqAll = prereqAll; @@ -145087,25 +158538,28 @@ static void exprAnalyze( Expr *pRight = sqlite3ExprSkipCollate(pExpr->pRight); u16 opMask = (pTerm->prereqRight & prereqLeft)==0 ? WO_ALL : WO_EQUIV; - if( pTerm->iField>0 ){ + if( pTerm->u.x.iField>0 ){ assert( op==TK_IN ); assert( pLeft->op==TK_VECTOR ); - pLeft = pLeft->x.pList->a[pTerm->iField-1].pExpr; + assert( ExprUseXList(pLeft) ); + pLeft = pLeft->x.pList->a[pTerm->u.x.iField-1].pExpr; } - if( exprMightBeIndexed(pSrc, prereqLeft, aiCurCol, pLeft, op) ){ + if( exprMightBeIndexed(pSrc, aiCurCol, pLeft, op) ){ pTerm->leftCursor = aiCurCol[0]; - pTerm->u.leftColumn = aiCurCol[1]; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + pTerm->u.x.leftColumn = aiCurCol[1]; pTerm->eOperator = operatorMask(op) & opMask; } if( op==TK_IS ) pTerm->wtFlags |= TERM_IS; if( pRight - && exprMightBeIndexed(pSrc, pTerm->prereqRight, aiCurCol, pRight, op) + && exprMightBeIndexed(pSrc, aiCurCol, pRight, op) + && !ExprHasProperty(pRight, EP_FixedCol) ){ WhereTerm *pNew; Expr *pDup; u16 eExtraOp = 0; /* Extra bits for pNew->eOperator */ - assert( pTerm->iField==0 ); + assert( pTerm->u.x.iField==0 ); if( pTerm->leftCursor>=0 ){ int idxNew; pDup = sqlite3ExprDup(db, pExpr, 0); @@ -145131,11 +158585,23 @@ static void exprAnalyze( } pNew->wtFlags |= exprCommute(pParse, pDup); pNew->leftCursor = aiCurCol[0]; - pNew->u.leftColumn = aiCurCol[1]; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + pNew->u.x.leftColumn = aiCurCol[1]; testcase( (prereqLeft | extraRight) != prereqLeft ); pNew->prereqRight = prereqLeft | extraRight; pNew->prereqAll = prereqAll; pNew->eOperator = (operatorMask(pDup->op) + eExtraOp) & opMask; + }else + if( op==TK_ISNULL + && !ExprHasProperty(pExpr,EP_OuterON) + && 0==sqlite3ExprCanBeNull(pLeft) + ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + pExpr->op = TK_TRUEFALSE; /* See tag-20230504-1 */ + pExpr->u.zToken = "false"; + ExprSetProperty(pExpr, EP_IsFalse); + pTerm->prereqAll = 0; + pTerm->eOperator = 0; } } @@ -145156,9 +158622,11 @@ static void exprAnalyze( ** BETWEEN term is skipped. */ else if( pExpr->op==TK_BETWEEN && pWC->op==TK_AND ){ - ExprList *pList = pExpr->x.pList; + ExprList *pList; int i; static const u8 ops[] = {TK_GE, TK_LE}; + assert( ExprUseXList(pExpr) ); + pList = pExpr->x.pList; assert( pList!=0 ); assert( pList->nExpr==2 ); for(i=0; i<2; i++){ @@ -145187,6 +158655,42 @@ static void exprAnalyze( pTerm = &pWC->a[idxTerm]; } #endif /* SQLITE_OMIT_OR_OPTIMIZATION */ + /* The form "x IS NOT NULL" can sometimes be evaluated more efficiently + ** as "x>NULL" if x is not an INTEGER PRIMARY KEY. So construct a + ** virtual term of that form. + ** + ** The virtual term must be tagged with TERM_VNULL. + */ + else if( pExpr->op==TK_NOTNULL ){ + if( pExpr->pLeft->op==TK_COLUMN + && pExpr->pLeft->iColumn>=0 + && !ExprHasProperty(pExpr, EP_OuterON) + ){ + Expr *pNewExpr; + Expr *pLeft = pExpr->pLeft; + int idxNew; + WhereTerm *pNewTerm; + + pNewExpr = sqlite3PExpr(pParse, TK_GT, + sqlite3ExprDup(db, pLeft, 0), + sqlite3ExprAlloc(db, TK_NULL, 0, 0)); + + idxNew = whereClauseInsert(pWC, pNewExpr, + TERM_VIRTUAL|TERM_DYNAMIC|TERM_VNULL); + if( idxNew ){ + pNewTerm = &pWC->a[idxNew]; + pNewTerm->prereqRight = 0; + pNewTerm->leftCursor = pLeft->iTable; + pNewTerm->u.x.leftColumn = pLeft->iColumn; + pNewTerm->eOperator = WO_GT; + markTermAsChild(pWC, idxNew, idxTerm); + pTerm = &pWC->a[idxTerm]; + pTerm->wtFlags |= TERM_COPIED; + pNewTerm->prereqAll = pTerm->prereqAll; + } + } + } + #ifndef SQLITE_OMIT_LIKE_OPTIMIZATION /* Add constraints to reduce the search space on a LIKE or GLOB @@ -145202,7 +158706,8 @@ static void exprAnalyze( ** bound is made all lowercase so that the bounds also work when comparing ** BLOBs. */ - if( pWC->op==TK_AND + else if( pExpr->op==TK_FUNCTION + && pWC->op==TK_AND && isLikeOrGlob(pParse, pExpr, &pStr1, &isComplete, &noCase) ){ Expr *pLeft; /* LHS of LIKE/GLOB operator */ @@ -145214,8 +158719,12 @@ static void exprAnalyze( const char *zCollSeqName; /* Name of collating sequence */ const u16 wtFlags = TERM_LIKEOPT | TERM_VIRTUAL | TERM_DYNAMIC; + assert( ExprUseXList(pExpr) ); pLeft = pExpr->x.pList->a[1].pExpr; pStr2 = sqlite3ExprDup(db, pStr1, 0); + assert( pStr1==0 || !ExprHasProperty(pStr1, EP_IntValue) ); + assert( pStr2==0 || !ExprHasProperty(pStr2, EP_IntValue) ); + /* Convert the lower bound to upper-case and the upper bound to ** lower-case (upper-case is less than lower-case in ASCII) so that @@ -145255,7 +158764,6 @@ static void exprAnalyze( transferJoinMarkings(pNewExpr1, pExpr); idxNew1 = whereClauseInsert(pWC, pNewExpr1, wtFlags); testcase( idxNew1==0 ); - exprAnalyze(pSrc, pWC, idxNew1); pNewExpr2 = sqlite3ExprDup(db, pLeft, 0); pNewExpr2 = sqlite3PExpr(pParse, TK_LT, sqlite3ExprAddCollateString(pParse,pNewExpr2,zCollSeqName), @@ -145263,6 +158771,7 @@ static void exprAnalyze( transferJoinMarkings(pNewExpr2, pExpr); idxNew2 = whereClauseInsert(pWC, pNewExpr2, wtFlags); testcase( idxNew2==0 ); + exprAnalyze(pSrc, pWC, idxNew1); exprAnalyze(pSrc, pWC, idxNew2); pTerm = &pWC->a[idxTerm]; if( isComplete ){ @@ -145272,147 +158781,114 @@ static void exprAnalyze( } #endif /* SQLITE_OMIT_LIKE_OPTIMIZATION */ -#ifndef SQLITE_OMIT_VIRTUALTABLE - /* Add a WO_AUX auxiliary term to the constraint set if the - ** current expression is of the form "column OP expr" where OP - ** is an operator that gets passed into virtual tables but which is - ** not normally optimized for ordinary tables. In other words, OP - ** is one of MATCH, LIKE, GLOB, REGEXP, !=, IS, IS NOT, or NOT NULL. - ** This information is used by the xBestIndex methods of - ** virtual tables. The native query optimizer does not attempt - ** to do anything with MATCH functions. - */ - if( pWC->op==TK_AND ){ - Expr *pRight = 0, *pLeft = 0; - int res = isAuxiliaryVtabOperator(db, pExpr, &eOp2, &pLeft, &pRight); - while( res-- > 0 ){ - int idxNew; - WhereTerm *pNewTerm; - Bitmask prereqColumn, prereqExpr; - - prereqExpr = sqlite3WhereExprUsage(pMaskSet, pRight); - prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft); - if( (prereqExpr & prereqColumn)==0 ){ - Expr *pNewExpr; - pNewExpr = sqlite3PExpr(pParse, TK_MATCH, - 0, sqlite3ExprDup(db, pRight, 0)); - if( ExprHasProperty(pExpr, EP_FromJoin) && pNewExpr ){ - ExprSetProperty(pNewExpr, EP_FromJoin); - pNewExpr->iRightJoinTable = pExpr->iRightJoinTable; - } - idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); - testcase( idxNew==0 ); - pNewTerm = &pWC->a[idxNew]; - pNewTerm->prereqRight = prereqExpr; - pNewTerm->leftCursor = pLeft->iTable; - pNewTerm->u.leftColumn = pLeft->iColumn; - pNewTerm->eOperator = WO_AUX; - pNewTerm->eMatchOp = eOp2; - markTermAsChild(pWC, idxNew, idxTerm); - pTerm = &pWC->a[idxTerm]; - pTerm->wtFlags |= TERM_COPIED; - pNewTerm->prereqAll = pTerm->prereqAll; - } - SWAP(Expr*, pLeft, pRight); - } - } -#endif /* SQLITE_OMIT_VIRTUALTABLE */ - /* If there is a vector == or IS term - e.g. "(a, b) == (?, ?)" - create ** new terms for each component comparison - "a = ?" and "b = ?". The ** new terms completely replace the original vector comparison, which is ** no longer used. ** ** This is only required if at least one side of the comparison operation - ** is not a sub-select. */ - if( pWC->op==TK_AND - && (pExpr->op==TK_EQ || pExpr->op==TK_IS) - && (nLeft = sqlite3ExprVectorSize(pExpr->pLeft))>1 - && sqlite3ExprVectorSize(pExpr->pRight)==nLeft - && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 - || (pExpr->pRight->flags & EP_xIsSelect)==0) + ** is not a sub-select. + ** + ** tag-20220128a + */ + if( (pExpr->op==TK_EQ || pExpr->op==TK_IS) + && (nLeft = sqlite3ExprVectorSize(pExpr->pLeft))>1 + && sqlite3ExprVectorSize(pExpr->pRight)==nLeft + && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 + || (pExpr->pRight->flags & EP_xIsSelect)==0) + && pWC->op==TK_AND ){ int i; for(i=0; ipLeft, i); - Expr *pRight = sqlite3ExprForVectorField(pParse, pExpr->pRight, i); + Expr *pLeft = sqlite3ExprForVectorField(pParse, pExpr->pLeft, i, nLeft); + Expr *pRight = sqlite3ExprForVectorField(pParse, pExpr->pRight, i, nLeft); pNew = sqlite3PExpr(pParse, pExpr->op, pLeft, pRight); transferJoinMarkings(pNew, pExpr); - idxNew = whereClauseInsert(pWC, pNew, TERM_DYNAMIC); + idxNew = whereClauseInsert(pWC, pNew, TERM_DYNAMIC|TERM_SLICE); exprAnalyze(pSrc, pWC, idxNew); } pTerm = &pWC->a[idxTerm]; pTerm->wtFlags |= TERM_CODED|TERM_VIRTUAL; /* Disable the original */ - pTerm->eOperator = 0; + pTerm->eOperator = WO_ROWVAL; } /* If there is a vector IN term - e.g. "(a, b) IN (SELECT ...)" - create ** a virtual term for each vector component. The expression object ** used by each such virtual term is pExpr (the full vector IN(...) - ** expression). The WhereTerm.iField variable identifies the index within + ** expression). The WhereTerm.u.x.iField variable identifies the index within ** the vector on the LHS that the virtual term represents. ** ** This only works if the RHS is a simple SELECT (not a compound) that does ** not use window functions. */ - if( pWC->op==TK_AND && pExpr->op==TK_IN && pTerm->iField==0 + else if( pExpr->op==TK_IN + && pTerm->u.x.iField==0 && pExpr->pLeft->op==TK_VECTOR - && pExpr->x.pSelect->pPrior==0 + && ALWAYS( ExprUseXSelect(pExpr) ) + && (pExpr->x.pSelect->pPrior==0 || (pExpr->x.pSelect->selFlags & SF_Values)) #ifndef SQLITE_OMIT_WINDOWFUNC && pExpr->x.pSelect->pWin==0 #endif + && pWC->op==TK_AND ){ int i; for(i=0; ipLeft); i++){ int idxNew; - idxNew = whereClauseInsert(pWC, pExpr, TERM_VIRTUAL); - pWC->a[idxNew].iField = i+1; + idxNew = whereClauseInsert(pWC, pExpr, TERM_VIRTUAL|TERM_SLICE); + pWC->a[idxNew].u.x.iField = i+1; exprAnalyze(pSrc, pWC, idxNew); markTermAsChild(pWC, idxNew, idxTerm); } } -#ifdef SQLITE_ENABLE_STAT4 - /* When sqlite_stat4 histogram data is available an operator of the - ** form "x IS NOT NULL" can sometimes be evaluated more efficiently - ** as "x>NULL" if x is not an INTEGER PRIMARY KEY. So construct a - ** virtual term of that form. - ** - ** Note that the virtual term must be tagged with TERM_VNULL. +#ifndef SQLITE_OMIT_VIRTUALTABLE + /* Add a WO_AUX auxiliary term to the constraint set if the + ** current expression is of the form "column OP expr" where OP + ** is an operator that gets passed into virtual tables but which is + ** not normally optimized for ordinary tables. In other words, OP + ** is one of MATCH, LIKE, GLOB, REGEXP, !=, IS, IS NOT, or NOT NULL. + ** This information is used by the xBestIndex methods of + ** virtual tables. The native query optimizer does not attempt + ** to do anything with MATCH functions. */ - if( pExpr->op==TK_NOTNULL - && pExpr->pLeft->op==TK_COLUMN - && pExpr->pLeft->iColumn>=0 - && !ExprHasProperty(pExpr, EP_FromJoin) - && OptimizationEnabled(db, SQLITE_Stat4) - ){ - Expr *pNewExpr; - Expr *pLeft = pExpr->pLeft; - int idxNew; - WhereTerm *pNewTerm; - - pNewExpr = sqlite3PExpr(pParse, TK_GT, - sqlite3ExprDup(db, pLeft, 0), - sqlite3ExprAlloc(db, TK_NULL, 0, 0)); - - idxNew = whereClauseInsert(pWC, pNewExpr, - TERM_VIRTUAL|TERM_DYNAMIC|TERM_VNULL); - if( idxNew ){ - pNewTerm = &pWC->a[idxNew]; - pNewTerm->prereqRight = 0; - pNewTerm->leftCursor = pLeft->iTable; - pNewTerm->u.leftColumn = pLeft->iColumn; - pNewTerm->eOperator = WO_GT; - markTermAsChild(pWC, idxNew, idxTerm); - pTerm = &pWC->a[idxTerm]; - pTerm->wtFlags |= TERM_COPIED; - pNewTerm->prereqAll = pTerm->prereqAll; + else if( pWC->op==TK_AND ){ + Expr *pRight = 0, *pLeft = 0; + int res = isAuxiliaryVtabOperator(db, pExpr, &eOp2, &pLeft, &pRight); + while( res-- > 0 ){ + int idxNew; + WhereTerm *pNewTerm; + Bitmask prereqColumn, prereqExpr; + + prereqExpr = sqlite3WhereExprUsage(pMaskSet, pRight); + prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft); + if( (prereqExpr & prereqColumn)==0 ){ + Expr *pNewExpr; + pNewExpr = sqlite3PExpr(pParse, TK_MATCH, + 0, sqlite3ExprDup(db, pRight, 0)); + if( ExprHasProperty(pExpr, EP_OuterON) && pNewExpr ){ + ExprSetProperty(pNewExpr, EP_OuterON); + pNewExpr->w.iJoin = pExpr->w.iJoin; + } + idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); + testcase( idxNew==0 ); + pNewTerm = &pWC->a[idxNew]; + pNewTerm->prereqRight = prereqExpr; + pNewTerm->leftCursor = pLeft->iTable; + pNewTerm->u.x.leftColumn = pLeft->iColumn; + pNewTerm->eOperator = WO_AUX; + pNewTerm->eMatchOp = eOp2; + markTermAsChild(pWC, idxNew, idxTerm); + pTerm = &pWC->a[idxTerm]; + pTerm->wtFlags |= TERM_COPIED; + pNewTerm->prereqAll = pTerm->prereqAll; + } + SWAP(Expr*, pLeft, pRight); } } -#endif /* SQLITE_ENABLE_STAT4 */ +#endif /* SQLITE_OMIT_VIRTUALTABLE */ /* Prevent ON clause terms of a LEFT JOIN from being used to drive ** an index for tables to the left of the join. @@ -145447,6 +158923,7 @@ static void exprAnalyze( SQLITE_PRIVATE void sqlite3WhereSplit(WhereClause *pWC, Expr *pExpr, u8 op){ Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pExpr); pWC->op = op; + assert( pE2!=0 || pExpr==0 ); if( pE2==0 ) return; if( pE2->op!=op ){ whereClauseInsert(pWC, pExpr, 0); @@ -145456,6 +158933,120 @@ SQLITE_PRIVATE void sqlite3WhereSplit(WhereClause *pWC, Expr *pExpr, u8 op){ } } +/* +** Add either a LIMIT (if eMatchOp==SQLITE_INDEX_CONSTRAINT_LIMIT) or +** OFFSET (if eMatchOp==SQLITE_INDEX_CONSTRAINT_OFFSET) term to the +** where-clause passed as the first argument. The value for the term +** is found in register iReg. +** +** In the common case where the value is a simple integer +** (example: "LIMIT 5 OFFSET 10") then the expression codes as a +** TK_INTEGER so that it will be available to sqlite3_vtab_rhs_value(). +** If not, then it codes as a TK_REGISTER expression. +*/ +static void whereAddLimitExpr( + WhereClause *pWC, /* Add the constraint to this WHERE clause */ + int iReg, /* Register that will hold value of the limit/offset */ + Expr *pExpr, /* Expression that defines the limit/offset */ + int iCsr, /* Cursor to which the constraint applies */ + int eMatchOp /* SQLITE_INDEX_CONSTRAINT_LIMIT or _OFFSET */ +){ + Parse *pParse = pWC->pWInfo->pParse; + sqlite3 *db = pParse->db; + Expr *pNew; + int iVal = 0; + + if( sqlite3ExprIsInteger(pExpr, &iVal) && iVal>=0 ){ + Expr *pVal = sqlite3Expr(db, TK_INTEGER, 0); + if( pVal==0 ) return; + ExprSetProperty(pVal, EP_IntValue); + pVal->u.iValue = iVal; + pNew = sqlite3PExpr(pParse, TK_MATCH, 0, pVal); + }else{ + Expr *pVal = sqlite3Expr(db, TK_REGISTER, 0); + if( pVal==0 ) return; + pVal->iTable = iReg; + pNew = sqlite3PExpr(pParse, TK_MATCH, 0, pVal); + } + if( pNew ){ + WhereTerm *pTerm; + int idx; + idx = whereClauseInsert(pWC, pNew, TERM_DYNAMIC|TERM_VIRTUAL); + pTerm = &pWC->a[idx]; + pTerm->leftCursor = iCsr; + pTerm->eOperator = WO_AUX; + pTerm->eMatchOp = eMatchOp; + } +} + +/* +** Possibly add terms corresponding to the LIMIT and OFFSET clauses of the +** SELECT statement passed as the second argument. These terms are only +** added if: +** +** 1. The SELECT statement has a LIMIT clause, and +** 2. The SELECT statement is not an aggregate or DISTINCT query, and +** 3. The SELECT statement has exactly one object in its from clause, and +** that object is a virtual table, and +** 4. There are no terms in the WHERE clause that will not be passed +** to the virtual table xBestIndex method. +** 5. The ORDER BY clause, if any, will be made available to the xBestIndex +** method. +** +** LIMIT and OFFSET terms are ignored by most of the planner code. They +** exist only so that they may be passed to the xBestIndex method of the +** single virtual table in the FROM clause of the SELECT. +*/ +SQLITE_PRIVATE void SQLITE_NOINLINE sqlite3WhereAddLimit(WhereClause *pWC, Select *p){ + assert( p!=0 && p->pLimit!=0 ); /* 1 -- checked by caller */ + if( p->pGroupBy==0 + && (p->selFlags & (SF_Distinct|SF_Aggregate))==0 /* 2 */ + && (p->pSrc->nSrc==1 && IsVirtual(p->pSrc->a[0].pTab)) /* 3 */ + ){ + ExprList *pOrderBy = p->pOrderBy; + int iCsr = p->pSrc->a[0].iCursor; + int ii; + + /* Check condition (4). Return early if it is not met. */ + for(ii=0; iinTerm; ii++){ + if( pWC->a[ii].wtFlags & TERM_CODED ){ + /* This term is a vector operation that has been decomposed into + ** other, subsequent terms. It can be ignored. See tag-20220128a */ + assert( pWC->a[ii].wtFlags & TERM_VIRTUAL ); + assert( pWC->a[ii].eOperator==WO_ROWVAL ); + continue; + } + if( pWC->a[ii].nChild ){ + /* If this term has child terms, then they are also part of the + ** pWC->a[] array. So this term can be ignored, as a LIMIT clause + ** will only be added if each of the child terms passes the + ** (leftCursor==iCsr) test below. */ + continue; + } + if( pWC->a[ii].leftCursor!=iCsr ) return; + } + + /* Check condition (5). Return early if it is not met. */ + if( pOrderBy ){ + for(ii=0; iinExpr; ii++){ + Expr *pExpr = pOrderBy->a[ii].pExpr; + if( pExpr->op!=TK_COLUMN ) return; + if( pExpr->iTable!=iCsr ) return; + if( pOrderBy->a[ii].fg.sortFlags & KEYINFO_ORDER_BIGNULL ) return; + } + } + + /* All conditions are met. Add the terms to the where-clause object. */ + assert( p->pLimit->op==TK_LIMIT ); + whereAddLimitExpr(pWC, p->iLimit, p->pLimit->pLeft, + iCsr, SQLITE_INDEX_CONSTRAINT_LIMIT); + if( p->iOffset>0 ){ + whereAddLimitExpr(pWC, p->iOffset, p->pLimit->pRight, + iCsr, SQLITE_INDEX_CONSTRAINT_OFFSET); + } + } +} + /* ** Initialize a preallocated WhereClause structure. */ @@ -145467,6 +159058,7 @@ SQLITE_PRIVATE void sqlite3WhereClauseInit( pWC->hasOr = 0; pWC->pOuter = 0; pWC->nTerm = 0; + pWC->nBase = 0; pWC->nSlot = ArraySize(pWC->aStatic); pWC->a = pWC->aStatic; } @@ -145477,22 +159069,36 @@ SQLITE_PRIVATE void sqlite3WhereClauseInit( ** sqlite3WhereClauseInit(). */ SQLITE_PRIVATE void sqlite3WhereClauseClear(WhereClause *pWC){ - int i; - WhereTerm *a; sqlite3 *db = pWC->pWInfo->pParse->db; - for(i=pWC->nTerm-1, a=pWC->a; i>=0; i--, a++){ - if( a->wtFlags & TERM_DYNAMIC ){ - sqlite3ExprDelete(db, a->pExpr); + assert( pWC->nTerm>=pWC->nBase ); + if( pWC->nTerm>0 ){ + WhereTerm *a = pWC->a; + WhereTerm *aLast = &pWC->a[pWC->nTerm-1]; +#ifdef SQLITE_DEBUG + int i; + /* Verify that every term past pWC->nBase is virtual */ + for(i=pWC->nBase; inTerm; i++){ + assert( (pWC->a[i].wtFlags & TERM_VIRTUAL)!=0 ); } - if( a->wtFlags & TERM_ORINFO ){ - whereOrInfoDelete(db, a->u.pOrInfo); - }else if( a->wtFlags & TERM_ANDINFO ){ - whereAndInfoDelete(db, a->u.pAndInfo); +#endif + while(1){ + assert( a->eMatchOp==0 || a->eOperator==WO_AUX ); + if( a->wtFlags & TERM_DYNAMIC ){ + sqlite3ExprDelete(db, a->pExpr); + } + if( a->wtFlags & (TERM_ORINFO|TERM_ANDINFO) ){ + if( a->wtFlags & TERM_ORINFO ){ + assert( (a->wtFlags & TERM_ANDINFO)==0 ); + whereOrInfoDelete(db, a->u.pOrInfo); + }else{ + assert( (a->wtFlags & TERM_ANDINFO)!=0 ); + whereAndInfoDelete(db, a->u.pAndInfo); + } + } + if( a==aLast ) break; + a++; } } - if( pWC->a!=pWC->aStatic ){ - sqlite3DbFree(db, pWC->a); - } } @@ -145500,28 +159106,52 @@ SQLITE_PRIVATE void sqlite3WhereClauseClear(WhereClause *pWC){ ** These routines walk (recursively) an expression tree and generate ** a bitmask indicating which tables are used in that expression ** tree. +** +** sqlite3WhereExprUsage(MaskSet, Expr) -> +** +** Return a Bitmask of all tables referenced by Expr. Expr can be +** be NULL, in which case 0 is returned. +** +** sqlite3WhereExprUsageNN(MaskSet, Expr) -> +** +** Same as sqlite3WhereExprUsage() except that Expr must not be +** NULL. The "NN" suffix on the name stands for "Not Null". +** +** sqlite3WhereExprListUsage(MaskSet, ExprList) -> +** +** Return a Bitmask of all tables referenced by every expression +** in the expression list ExprList. ExprList can be NULL, in which +** case 0 is returned. +** +** sqlite3WhereExprUsageFull(MaskSet, ExprList) -> +** +** Internal use only. Called only by sqlite3WhereExprUsageNN() for +** complex expressions that require pushing register values onto +** the stack. Many calls to sqlite3WhereExprUsageNN() do not need +** the more complex analysis done by this routine. Hence, the +** computations done by this routine are broken out into a separate +** "no-inline" function to avoid the stack push overhead in the +** common case where it is not needed. */ -SQLITE_PRIVATE Bitmask sqlite3WhereExprUsageNN(WhereMaskSet *pMaskSet, Expr *p){ +static SQLITE_NOINLINE Bitmask sqlite3WhereExprUsageFull( + WhereMaskSet *pMaskSet, + Expr *p +){ Bitmask mask; - if( p->op==TK_COLUMN && !ExprHasProperty(p, EP_FixedCol) ){ - return sqlite3WhereGetMask(pMaskSet, p->iTable); - }else if( ExprHasProperty(p, EP_TokenOnly|EP_Leaf) ){ - assert( p->op!=TK_IF_NULL_ROW ); - return 0; - } mask = (p->op==TK_IF_NULL_ROW) ? sqlite3WhereGetMask(pMaskSet, p->iTable) : 0; if( p->pLeft ) mask |= sqlite3WhereExprUsageNN(pMaskSet, p->pLeft); if( p->pRight ){ mask |= sqlite3WhereExprUsageNN(pMaskSet, p->pRight); assert( p->x.pList==0 ); - }else if( ExprHasProperty(p, EP_xIsSelect) ){ + }else if( ExprUseXSelect(p) ){ if( ExprHasProperty(p, EP_VarSelect) ) pMaskSet->bVarSelect = 1; mask |= exprSelectUsage(pMaskSet, p->x.pSelect); }else if( p->x.pList ){ mask |= sqlite3WhereExprListUsage(pMaskSet, p->x.pList); } #ifndef SQLITE_OMIT_WINDOWFUNC - if( (p->op==TK_FUNCTION || p->op==TK_AGG_FUNCTION) && p->y.pWin ){ + if( (p->op==TK_FUNCTION || p->op==TK_AGG_FUNCTION) && ExprUseYWin(p) ){ + assert( p->y.pWin!=0 ); mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pPartition); mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pOrderBy); mask |= sqlite3WhereExprUsage(pMaskSet, p->y.pWin->pFilter); @@ -145529,6 +159159,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereExprUsageNN(WhereMaskSet *pMaskSet, Expr *p){ #endif return mask; } +SQLITE_PRIVATE Bitmask sqlite3WhereExprUsageNN(WhereMaskSet *pMaskSet, Expr *p){ + if( p->op==TK_COLUMN && !ExprHasProperty(p, EP_FixedCol) ){ + return sqlite3WhereGetMask(pMaskSet, p->iTable); + }else if( ExprHasProperty(p, EP_TokenOnly|EP_Leaf) ){ + assert( p->op!=TK_IF_NULL_ROW ); + return 0; + } + return sqlite3WhereExprUsageFull(pMaskSet, p); +} SQLITE_PRIVATE Bitmask sqlite3WhereExprUsage(WhereMaskSet *pMaskSet, Expr *p){ return p ? sqlite3WhereExprUsageNN(pMaskSet,p) : 0; } @@ -145571,7 +159210,7 @@ SQLITE_PRIVATE void sqlite3WhereExprAnalyze( */ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( Parse *pParse, /* Parsing context */ - struct SrcList_item *pItem, /* The FROM clause term to process */ + SrcItem *pItem, /* The FROM clause term to process */ WhereClause *pWC /* Xfer function arguments to here */ ){ Table *pTab; @@ -145586,6 +159225,7 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( if( pArgs==0 ) return; for(j=k=0; jnExpr; j++){ Expr *pRhs; + u32 joinType; while( knCol && (pTab->aCol[k].colFlags & COLFLAG_HIDDEN)==0 ){k++;} if( k>=pTab->nCol ){ sqlite3ErrorMsg(pParse, "too many arguments on %s() - max %d", @@ -145596,13 +159236,21 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( if( pColRef==0 ) return; pColRef->iTable = pItem->iCursor; pColRef->iColumn = k++; + assert( ExprUseYTab(pColRef) ); pColRef->y.pTab = pTab; + pItem->colUsed |= sqlite3ExprColUsed(pColRef); pRhs = sqlite3PExpr(pParse, TK_UPLUS, sqlite3ExprDup(pParse->db, pArgs->a[j].pExpr, 0), 0); pTerm = sqlite3PExpr(pParse, TK_EQ, pColRef, pRhs); - if( pItem->fg.jointype & JT_LEFT ){ - sqlite3SetJoinExpr(pTerm, pItem->iCursor); + if( pItem->fg.jointype & (JT_LEFT|JT_RIGHT) ){ + testcase( pItem->fg.jointype & JT_LEFT ); /* testtag-20230227a */ + testcase( pItem->fg.jointype & JT_RIGHT ); /* testtag-20230227b */ + joinType = EP_OuterON; + }else{ + testcase( pItem->fg.jointype & JT_LTORJ ); /* testtag-20230227c */ + joinType = EP_InnerON; } + sqlite3SetJoinExpr(pTerm, pItem->iCursor, joinType); whereClauseInsert(pWC, pTerm, TERM_DYNAMIC); } } @@ -145641,19 +159289,19 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( */ typedef struct HiddenIndexInfo HiddenIndexInfo; struct HiddenIndexInfo { - WhereClause *pWC; /* The Where clause being analyzed */ - Parse *pParse; /* The parsing context */ + WhereClause *pWC; /* The Where clause being analyzed */ + Parse *pParse; /* The parsing context */ + int eDistinct; /* Value to return from sqlite3_vtab_distinct() */ + u32 mIn; /* Mask of terms that are IN (...) */ + u32 mHandleIn; /* Terms that vtab will handle as IN (...) */ + sqlite3_value *aRhs[1]; /* RHS values for constraints. MUST BE LAST + ** because extra space is allocated to hold up + ** to nTerm such values */ }; /* Forward declaration of methods */ static int whereLoopResize(sqlite3*, WhereLoop*, int); -/* Test variable that can be set to enable WHERE tracing */ -#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG) -/***/ int sqlite3WhereTrace = 0; -#endif - - /* ** Return the estimated number of output rows from a WHERE clause */ @@ -145678,7 +159326,7 @@ SQLITE_PRIVATE int sqlite3WhereIsDistinct(WhereInfo *pWInfo){ ** block sorting is required. */ SQLITE_PRIVATE int sqlite3WhereIsOrdered(WhereInfo *pWInfo){ - return pWInfo->nOBSat; + return pWInfo->nOBSat<0 ? 0 : pWInfo->nOBSat; } /* @@ -145713,7 +159361,33 @@ SQLITE_PRIVATE int sqlite3WhereOrderByLimitOptLabel(WhereInfo *pWInfo){ } pInner = &pWInfo->a[pWInfo->nLevel-1]; assert( pInner->addrNxt!=0 ); - return pInner->addrNxt; + return pInner->pRJ ? pWInfo->iContinue : pInner->addrNxt; +} + +/* +** While generating code for the min/max optimization, after handling +** the aggregate-step call to min() or max(), check to see if any +** additional looping is required. If the output order is such that +** we are certain that the correct answer has already been found, then +** code an OP_Goto to by pass subsequent processing. +** +** Any extra OP_Goto that is coded here is an optimization. The +** correct answer should be obtained regardless. This OP_Goto just +** makes the answer appear faster. +*/ +SQLITE_PRIVATE void sqlite3WhereMinMaxOptEarlyOut(Vdbe *v, WhereInfo *pWInfo){ + WhereLevel *pInner; + int i; + if( !pWInfo->bOrderedInnerLoop ) return; + if( pWInfo->nOBSat==0 ) return; + for(i=pWInfo->nLevel-1; i>=0; i--){ + pInner = &pWInfo->a[i]; + if( (pInner->pWLoop->wsFlags & WHERE_COLUMN_IN)!=0 ){ + sqlite3VdbeGoto(v, pInner->addrNxt); + return; + } + } + sqlite3VdbeGoto(v, pWInfo->iBreak); } /* @@ -145825,7 +159499,12 @@ static int whereOrInsert( SQLITE_PRIVATE Bitmask sqlite3WhereGetMask(WhereMaskSet *pMaskSet, int iCursor){ int i; assert( pMaskSet->n<=(int)sizeof(Bitmask)*8 ); - for(i=0; in; i++){ + assert( pMaskSet->n>0 || pMaskSet->ix[0]<0 ); + assert( iCursor>=-1 ); + if( pMaskSet->ix[0]==iCursor ){ + return 1; + } + for(i=1; in; i++){ if( pMaskSet->ix[i]==iCursor ){ return MASKBIT(i); } @@ -145833,6 +159512,30 @@ SQLITE_PRIVATE Bitmask sqlite3WhereGetMask(WhereMaskSet *pMaskSet, int iCursor){ return 0; } +/* Allocate memory that is automatically freed when pWInfo is freed. +*/ +SQLITE_PRIVATE void *sqlite3WhereMalloc(WhereInfo *pWInfo, u64 nByte){ + WhereMemBlock *pBlock; + pBlock = sqlite3DbMallocRawNN(pWInfo->pParse->db, nByte+sizeof(*pBlock)); + if( pBlock ){ + pBlock->pNext = pWInfo->pMemToFree; + pBlock->sz = nByte; + pWInfo->pMemToFree = pBlock; + pBlock++; + } + return (void*)pBlock; +} +SQLITE_PRIVATE void *sqlite3WhereRealloc(WhereInfo *pWInfo, void *pOld, u64 nByte){ + void *pNew = sqlite3WhereMalloc(pWInfo, nByte); + if( pNew && pOld ){ + WhereMemBlock *pOldBlk = (WhereMemBlock*)pOld; + pOldBlk--; + assert( pOldBlk->szsz); + } + return pNew; +} + /* ** Create a new mask for cursor iCursor. ** @@ -145846,6 +159549,18 @@ static void createMask(WhereMaskSet *pMaskSet, int iCursor){ pMaskSet->ix[pMaskSet->n++] = iCursor; } +/* +** If the right-hand branch of the expression is a TK_COLUMN, then return +** a pointer to the right-hand branch. Otherwise, return NULL. +*/ +static Expr *whereRightSubexprIsColumn(Expr *p){ + p = sqlite3ExprSkipCollateAndLikely(p->pRight); + if( ALWAYS(p!=0) && p->op==TK_COLUMN && !ExprHasProperty(p, EP_FixedCol) ){ + return p; + } + return 0; +} + /* ** Advance to the next WhereTerm that matches according to the criteria ** established when the pScan object was initialized by whereScanInit(). @@ -145865,19 +159580,20 @@ static WhereTerm *whereScanNext(WhereScan *pScan){ iColumn = pScan->aiColumn[pScan->iEquiv-1]; iCur = pScan->aiCur[pScan->iEquiv-1]; assert( pWC!=0 ); + assert( iCur>=0 ); do{ for(pTerm=pWC->a+k; knTerm; k++, pTerm++){ + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 || pTerm->leftCursor<0 ); if( pTerm->leftCursor==iCur - && pTerm->u.leftColumn==iColumn + && pTerm->u.x.leftColumn==iColumn && (iColumn!=XN_EXPR || sqlite3ExprCompareSkip(pTerm->pExpr->pLeft, pScan->pIdxExpr,iCur)==0) - && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin)) + && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_OuterON)) ){ if( (pTerm->eOperator & WO_EQUIV)!=0 && pScan->nEquivaiCur) - && (pX = sqlite3ExprSkipCollateAndLikely(pTerm->pExpr->pRight))->op - ==TK_COLUMN + && (pX = whereRightSubexprIsColumn(pTerm->pExpr))!=0 ){ int j; for(j=0; jnEquiv; j++){ @@ -145909,7 +159625,8 @@ static WhereTerm *whereScanNext(WhereScan *pScan){ } } if( (pTerm->eOperator & (WO_EQ|WO_IS))!=0 - && (pX = pTerm->pExpr->pRight)->op==TK_COLUMN + && (pX = pTerm->pExpr->pRight, ALWAYS(pX!=0)) + && pX->op==TK_COLUMN && pX->iTable==pScan->aiCur[0] && pX->iColumn==pScan->aiColumn[0] ){ @@ -145918,6 +159635,18 @@ static WhereTerm *whereScanNext(WhereScan *pScan){ } pScan->pWC = pWC; pScan->k = k+1; +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x20000 ){ + int ii; + sqlite3DebugPrintf("SCAN-TERM %p: nEquiv=%d", + pTerm, pScan->nEquiv); + for(ii=0; iinEquiv; ii++){ + sqlite3DebugPrintf(" {%d:%d}", + pScan->aiCur[ii], pScan->aiColumn[ii]); + } + sqlite3DebugPrintf("\n"); + } +#endif return pTerm; } } @@ -145984,16 +159713,16 @@ static WhereTerm *whereScanInit( if( pIdx ){ int j = iColumn; iColumn = pIdx->aiColumn[j]; - if( iColumn==XN_EXPR ){ - pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr; - pScan->zCollName = pIdx->azColl[j]; - pScan->aiColumn[0] = XN_EXPR; - return whereScanInitIndexExpr(pScan); - }else if( iColumn==pIdx->pTable->iPKey ){ + if( iColumn==pIdx->pTable->iPKey ){ iColumn = XN_ROWID; }else if( iColumn>=0 ){ pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity; pScan->zCollName = pIdx->azColl[j]; + }else if( iColumn==XN_EXPR ){ + pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr; + pScan->zCollName = pIdx->azColl[j]; + pScan->aiColumn[0] = XN_EXPR; + return whereScanInitIndexExpr(pScan); } }else if( iColumn==XN_EXPR ){ return 0; @@ -146073,7 +159802,8 @@ static int findIndexCol( for(i=0; inExpr; i++){ Expr *p = sqlite3ExprSkipCollateAndLikely(pList->a[i].pExpr); - if( p->op==TK_COLUMN + if( ALWAYS(p!=0) + && (p->op==TK_COLUMN || p->op==TK_AGG_COLUMN) && p->iColumn==pIdx->aiColumn[iCol] && p->iTable==iBase ){ @@ -146137,7 +159867,9 @@ static int isDistinctRedundant( */ for(i=0; inExpr; i++){ Expr *p = sqlite3ExprSkipCollateAndLikely(pDistinct->a[i].pExpr); - if( p->op==TK_COLUMN && p->iTable==iBase && p->iColumn<0 ) return 1; + if( NEVER(p==0) ) continue; + if( p->op!=TK_COLUMN && p->op!=TK_AGG_COLUMN ) continue; + if( p->iTable==iBase && p->iColumn<0 ) return 1; } /* Loop through all indices on the table, checking each to see if it makes @@ -146155,6 +159887,7 @@ static int isDistinctRedundant( */ for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ if( !IsUniqueIndex(pIdx) ) continue; + if( pIdx->pPartIdxWhere ) continue; for(i=0; inKeyCol; i++){ if( 0==sqlite3WhereFindTerm(pWC, iBase, i, ~(Bitmask)0, WO_EQ, pIdx) ){ if( findIndexCol(pParse, pDistinct, iBase, pIdx, i)<0 ) break; @@ -146208,15 +159941,16 @@ static void translateColumnToCopy( pOp->p1 = pOp->p2 + iRegister; pOp->p2 = pOp->p3; pOp->p3 = 0; + pOp->p5 = 2; /* Cause the MEM_Subtype flag to be cleared */ }else if( pOp->opcode==OP_Rowid ){ - if( iAutoidxCur ){ - pOp->opcode = OP_Sequence; - pOp->p1 = iAutoidxCur; - }else{ + pOp->opcode = OP_Sequence; + pOp->p1 = iAutoidxCur; +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + if( iAutoidxCur==0 ){ pOp->opcode = OP_Null; - pOp->p1 = 0; pOp->p3 = 0; } +#endif } } } @@ -146230,14 +159964,16 @@ static void translateColumnToCopy( #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(WHERETRACE_ENABLED) static void whereTraceIndexInfoInputs(sqlite3_index_info *p){ int i; - if( !sqlite3WhereTrace ) return; + if( (sqlite3WhereTrace & 0x10)==0 ) return; for(i=0; inConstraint; i++){ - sqlite3DebugPrintf(" constraint[%d]: col=%d termid=%d op=%d usabled=%d\n", + sqlite3DebugPrintf( + " constraint[%d]: col=%d termid=%d op=%d usabled=%d collseq=%s\n", i, p->aConstraint[i].iColumn, p->aConstraint[i].iTermOffset, p->aConstraint[i].op, - p->aConstraint[i].usable); + p->aConstraint[i].usable, + sqlite3_vtab_collation(p,i)); } for(i=0; inOrderBy; i++){ sqlite3DebugPrintf(" orderby[%d]: col=%d desc=%d\n", @@ -146248,7 +159984,7 @@ static void whereTraceIndexInfoInputs(sqlite3_index_info *p){ } static void whereTraceIndexInfoOutputs(sqlite3_index_info *p){ int i; - if( !sqlite3WhereTrace ) return; + if( (sqlite3WhereTrace & 0x10)==0 ) return; for(i=0; inConstraint; i++){ sqlite3DebugPrintf(" usage[%d]: argvIdx=%d omit=%d\n", i, @@ -146266,6 +160002,43 @@ static void whereTraceIndexInfoOutputs(sqlite3_index_info *p){ #define whereTraceIndexInfoOutputs(A) #endif +/* +** We know that pSrc is an operand of an outer join. Return true if +** pTerm is a constraint that is compatible with that join. +** +** pTerm must be EP_OuterON if pSrc is the right operand of an +** outer join. pTerm can be either EP_OuterON or EP_InnerON if pSrc +** is the left operand of a RIGHT join. +** +** See https://sqlite.org/forum/forumpost/206d99a16dd9212f +** for an example of a WHERE clause constraints that may not be used on +** the right table of a RIGHT JOIN because the constraint implies a +** not-NULL condition on the left table of the RIGHT JOIN. +*/ +static int constraintCompatibleWithOuterJoin( + const WhereTerm *pTerm, /* WHERE clause term to check */ + const SrcItem *pSrc /* Table we are trying to access */ +){ + assert( (pSrc->fg.jointype&(JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 ); /* By caller */ + testcase( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))==JT_LEFT ); + testcase( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))==JT_LTORJ ); + testcase( ExprHasProperty(pTerm->pExpr, EP_OuterON) ) + testcase( ExprHasProperty(pTerm->pExpr, EP_InnerON) ); + if( !ExprHasProperty(pTerm->pExpr, EP_OuterON|EP_InnerON) + || pTerm->pExpr->w.iJoin != pSrc->iCursor + ){ + return 0; + } + if( (pSrc->fg.jointype & (JT_LEFT|JT_RIGHT))!=0 + && ExprHasProperty(pTerm->pExpr, EP_InnerON) + ){ + return 0; + } + return 1; +} + + + #ifndef SQLITE_OMIT_AUTOMATIC_INDEX /* ** Return TRUE if the WHERE clause term pTerm is of a form where it @@ -146273,25 +160046,23 @@ static void whereTraceIndexInfoOutputs(sqlite3_index_info *p){ ** index existed. */ static int termCanDriveIndex( - WhereTerm *pTerm, /* WHERE clause term to check */ - struct SrcList_item *pSrc, /* Table we are trying to access */ - Bitmask notReady /* Tables in outer loops of the join */ + const WhereTerm *pTerm, /* WHERE clause term to check */ + const SrcItem *pSrc, /* Table we are trying to access */ + const Bitmask notReady /* Tables in outer loops of the join */ ){ char aff; if( pTerm->leftCursor!=pSrc->iCursor ) return 0; if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) return 0; - if( (pSrc->fg.jointype & JT_LEFT) - && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) - && (pTerm->eOperator & WO_IS) + assert( (pSrc->fg.jointype & JT_RIGHT)==0 ); + if( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 + && !constraintCompatibleWithOuterJoin(pTerm,pSrc) ){ - /* Cannot use an IS term from the WHERE clause as an index driver for - ** the RHS of a LEFT JOIN. Such a term can only be used if it is from - ** the ON clause. */ - return 0; + return 0; /* See https://sqlite.org/forum/forumpost/51e6959f61 */ } if( (pTerm->prereqRight & notReady)!=0 ) return 0; - if( pTerm->u.leftColumn<0 ) return 0; - aff = pSrc->pTab->aCol[pTerm->u.leftColumn].affinity; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + if( pTerm->u.x.leftColumn<0 ) return 0; + aff = pSrc->pTab->aCol[pTerm->u.x.leftColumn].affinity; if( !sqlite3IndexAffinityOk(pTerm->pExpr, aff) ) return 0; testcase( pTerm->pExpr->op==TK_IS ); return 1; @@ -146300,16 +160071,66 @@ static int termCanDriveIndex( #ifndef SQLITE_OMIT_AUTOMATIC_INDEX + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS +/* +** Argument pIdx represents an automatic index that the current statement +** will create and populate. Add an OP_Explain with text of the form: +** +** CREATE AUTOMATIC INDEX ON
    () [WHERE ] +** +** This is only required if sqlite3_stmt_scanstatus() is enabled, to +** associate an SQLITE_SCANSTAT_NCYCLE and SQLITE_SCANSTAT_NLOOP +** values with. In order to avoid breaking legacy code and test cases, +** the OP_Explain is not added if this is an EXPLAIN QUERY PLAN command. +*/ +static void explainAutomaticIndex( + Parse *pParse, + Index *pIdx, /* Automatic index to explain */ + int bPartial, /* True if pIdx is a partial index */ + int *pAddrExplain /* OUT: Address of OP_Explain */ +){ + if( IS_STMT_SCANSTATUS(pParse->db) && pParse->explain!=2 ){ + Table *pTab = pIdx->pTable; + const char *zSep = ""; + char *zText = 0; + int ii = 0; + sqlite3_str *pStr = sqlite3_str_new(pParse->db); + sqlite3_str_appendf(pStr,"CREATE AUTOMATIC INDEX ON %s(", pTab->zName); + assert( pIdx->nColumn>1 ); + assert( pIdx->aiColumn[pIdx->nColumn-1]==XN_ROWID ); + for(ii=0; ii<(pIdx->nColumn-1); ii++){ + const char *zName = 0; + int iCol = pIdx->aiColumn[ii]; + + zName = pTab->aCol[iCol].zCnName; + sqlite3_str_appendf(pStr, "%s%s", zSep, zName); + zSep = ", "; + } + zText = sqlite3_str_finish(pStr); + if( zText==0 ){ + sqlite3OomFault(pParse->db); + }else{ + *pAddrExplain = sqlite3VdbeExplain( + pParse, 0, "%s)%s", zText, (bPartial ? " WHERE " : "") + ); + sqlite3_free(zText); + } + } +} +#else +# define explainAutomaticIndex(a,b,c,d) +#endif + /* ** Generate code to construct the Index object for an automatic index ** and to set up the WhereLevel object pLevel so that the code generator ** makes use of the automatic index. */ -static void constructAutomaticIndex( +static SQLITE_NOINLINE void constructAutomaticIndex( Parse *pParse, /* The parsing context */ WhereClause *pWC, /* The WHERE clause */ - struct SrcList_item *pSrc, /* The FROM clause term to get the next index */ - Bitmask notReady, /* Mask of cursors that are not available */ + const Bitmask notReady, /* Mask of cursors that are not available */ WhereLevel *pLevel /* Write new index here */ ){ int nKeyCol; /* Number of columns in the constructed index */ @@ -146329,12 +160150,17 @@ static void constructAutomaticIndex( char *zNotUsed; /* Extra space on the end of pIdx */ Bitmask idxCols; /* Bitmap of columns used for indexing */ Bitmask extraCols; /* Bitmap of additional columns */ - u8 sentWarning = 0; /* True if a warnning has been issued */ + u8 sentWarning = 0; /* True if a warning has been issued */ + u8 useBloomFilter = 0; /* True to also add a Bloom filter */ Expr *pPartial = 0; /* Partial Index Expression */ int iContinue = 0; /* Jump here to skip excluded rows */ - struct SrcList_item *pTabItem; /* FROM clause term being indexed */ + SrcList *pTabList; /* The complete FROM clause */ + SrcItem *pSrc; /* The FROM clause term to get the next index */ int addrCounter = 0; /* Address where integer counter is initialized */ int regBase; /* Array of registers where record is assembled */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExp = 0; /* Address of OP_Explain */ +#endif /* Generate code to skip over the creation and initialization of the ** transient index on 2nd and subsequent iterations of the loop. */ @@ -146345,31 +160171,35 @@ static void constructAutomaticIndex( /* Count the number of columns that will be added to the index ** and used to match WHERE clause constraints */ nKeyCol = 0; + pTabList = pWC->pWInfo->pTabList; + pSrc = &pTabList->a[pLevel->iFrom]; pTable = pSrc->pTab; pWCEnd = &pWC->a[pWC->nTerm]; pLoop = pLevel->pWLoop; idxCols = 0; for(pTerm=pWC->a; pTermpExpr; - assert( !ExprHasProperty(pExpr, EP_FromJoin) /* prereq always non-zero */ - || pExpr->iRightJoinTable!=pSrc->iCursor /* for the right-hand */ - || pLoop->prereq!=0 ); /* table of a LEFT JOIN */ - if( pLoop->prereq==0 - && (pTerm->wtFlags & TERM_VIRTUAL)==0 - && !ExprHasProperty(pExpr, EP_FromJoin) - && sqlite3ExprIsTableConstant(pExpr, pSrc->iCursor) ){ + /* Make the automatic index a partial index if there are terms in the + ** WHERE clause (or the ON clause of a LEFT join) that constrain which + ** rows of the target table (pSrc) that can be used. */ + if( (pTerm->wtFlags & TERM_VIRTUAL)==0 + && sqlite3ExprIsSingleTableConstraint(pExpr, pTabList, pLevel->iFrom) + ){ pPartial = sqlite3ExprAnd(pParse, pPartial, sqlite3ExprDup(pParse->db, pExpr, 0)); } if( termCanDriveIndex(pTerm, pSrc, notReady) ){ - int iCol = pTerm->u.leftColumn; - Bitmask cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol); + int iCol; + Bitmask cMask; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + iCol = pTerm->u.x.leftColumn; + cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol); testcase( iCol==BMS ); testcase( iCol==BMS-1 ); if( !sentWarning ){ sqlite3_log(SQLITE_WARNING_AUTOINDEX, "automatic index on %s(%s)", pTable->zName, - pTable->aCol[iCol].zName); + pTable->aCol[iCol].zCnName); sentWarning = 1; } if( (idxCols & cMask)==0 ){ @@ -146381,7 +160211,7 @@ static void constructAutomaticIndex( } } } - assert( nKeyCol>0 ); + assert( nKeyCol>0 || pParse->db->mallocFailed ); pLoop->u.btree.nEq = pLoop->nLTerm = nKeyCol; pLoop->wsFlags = WHERE_COLUMN_EQ | WHERE_IDX_ONLY | WHERE_INDEXED | WHERE_AUTO_INDEX; @@ -146394,7 +160224,11 @@ static void constructAutomaticIndex( ** original table changes and the index and table cannot both be used ** if they go out of sync. */ - extraCols = pSrc->colUsed & (~idxCols | MASKBIT(BMS-1)); + if( IsView(pTable) ){ + extraCols = ALLBITS; + }else{ + extraCols = pSrc->colUsed & (~idxCols | MASKBIT(BMS-1)); + } mxBitCol = MIN(BMS-1,pTable->nCol); testcase( pTable->nCol==BMS-1 ); testcase( pTable->nCol==BMS-2 ); @@ -146415,18 +160249,31 @@ static void constructAutomaticIndex( idxCols = 0; for(pTerm=pWC->a; pTermu.leftColumn; - Bitmask cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol); + int iCol; + Bitmask cMask; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + iCol = pTerm->u.x.leftColumn; + cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol); testcase( iCol==BMS-1 ); testcase( iCol==BMS ); if( (idxCols & cMask)==0 ){ Expr *pX = pTerm->pExpr; idxCols |= cMask; - pIdx->aiColumn[n] = pTerm->u.leftColumn; + pIdx->aiColumn[n] = pTerm->u.x.leftColumn; pColl = sqlite3ExprCompareCollSeq(pParse, pX); assert( pColl!=0 || pParse->nErr>0 ); /* TH3 collate01.800 */ pIdx->azColl[n] = pColl ? pColl->zName : sqlite3StrBINARY; n++; + if( ALWAYS(pX->pLeft!=0) + && sqlite3ExprAffinity(pX->pLeft)!=SQLITE_AFF_TEXT + ){ + /* TUNING: only use a Bloom filter on an automatic index + ** if one or more key columns has the ability to hold numeric + ** values, since strings all have the same hash in the Bloom + ** filter implementation and hence a Bloom filter on a text column + ** is not usually helpful. */ + useBloomFilter = 1; + } } } } @@ -146453,21 +160300,27 @@ static void constructAutomaticIndex( pIdx->azColl[n] = sqlite3StrBINARY; /* Create the automatic index */ + explainAutomaticIndex(pParse, pIdx, pPartial!=0, &addrExp); assert( pLevel->iIdxCur>=0 ); pLevel->iIdxCur = pParse->nTab++; sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); VdbeComment((v, "for %s", pTable->zName)); + if( OptimizationEnabled(pParse->db, SQLITE_BloomFilter) && useBloomFilter ){ + sqlite3WhereExplainBloomFilter(pParse, pWC->pWInfo, pLevel); + pLevel->regFilter = ++pParse->nMem; + sqlite3VdbeAddOp2(v, OP_Blob, 10000, pLevel->regFilter); + } /* Fill the automatic index with content */ - pTabItem = &pWC->pWInfo->pTabList->a[pLevel->iFrom]; - if( pTabItem->fg.viaCoroutine ){ - int regYield = pTabItem->regReturn; + assert( pSrc == &pWC->pWInfo->pTabList->a[pLevel->iFrom] ); + if( pSrc->fg.viaCoroutine ){ + int regYield = pSrc->regReturn; addrCounter = sqlite3VdbeAddOp2(v, OP_Integer, 0, 0); - sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pTabItem->addrFillSub); + sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pSrc->addrFillSub); addrTop = sqlite3VdbeAddOp1(v, OP_Yield, regYield); VdbeCoverage(v); - VdbeComment((v, "next row of %s", pTabItem->pTab->zName)); + VdbeComment((v, "next row of %s", pSrc->pTab->zName)); }else{ addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v); } @@ -146480,17 +160333,22 @@ static void constructAutomaticIndex( regBase = sqlite3GenerateIndexKey( pParse, pIdx, pLevel->iTabCur, regRecord, 0, 0, 0, 0 ); + if( pLevel->regFilter ){ + sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, + regBase, pLoop->u.btree.nEq); + } + sqlite3VdbeScanStatusCounters(v, addrExp, addrExp, sqlite3VdbeCurrentAddr(v)); sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue); - if( pTabItem->fg.viaCoroutine ){ + if( pSrc->fg.viaCoroutine ){ sqlite3VdbeChangeP2(v, addrCounter, regBase+n); testcase( pParse->db->mallocFailed ); assert( pLevel->iIdxCur>0 ); translateColumnToCopy(pParse, addrTop, pLevel->iTabCur, - pTabItem->regResult, pLevel->iIdxCur); + pSrc->regResult, pLevel->iIdxCur); sqlite3VdbeGoto(v, addrTop); - pTabItem->fg.viaCoroutine = 0; + pSrc->fg.viaCoroutine = 0; }else{ sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v); sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); @@ -146500,28 +160358,164 @@ static void constructAutomaticIndex( /* Jump here when skipping the initialization */ sqlite3VdbeJumpHere(v, addrInit); + sqlite3VdbeScanStatusRange(v, addrExp, addrExp, -1); end_auto_index_create: sqlite3ExprDelete(pParse->db, pPartial); } #endif /* SQLITE_OMIT_AUTOMATIC_INDEX */ +/* +** Generate bytecode that will initialize a Bloom filter that is appropriate +** for pLevel. +** +** If there are inner loops within pLevel that have the WHERE_BLOOMFILTER +** flag set, initialize a Bloomfilter for them as well. Except don't do +** this recursive initialization if the SQLITE_BloomPulldown optimization has +** been turned off. +** +** When the Bloom filter is initialized, the WHERE_BLOOMFILTER flag is cleared +** from the loop, but the regFilter value is set to a register that implements +** the Bloom filter. When regFilter is positive, the +** sqlite3WhereCodeOneLoopStart() will generate code to test the Bloom filter +** and skip the subsequence B-Tree seek if the Bloom filter indicates that +** no matching rows exist. +** +** This routine may only be called if it has previously been determined that +** the loop would benefit from a Bloom filter, and the WHERE_BLOOMFILTER bit +** is set. +*/ +static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( + WhereInfo *pWInfo, /* The WHERE clause */ + int iLevel, /* Index in pWInfo->a[] that is pLevel */ + WhereLevel *pLevel, /* Make a Bloom filter for this FROM term */ + Bitmask notReady /* Loops that are not ready */ +){ + int addrOnce; /* Address of opening OP_Once */ + int addrTop; /* Address of OP_Rewind */ + int addrCont; /* Jump here to skip a row */ + const WhereTerm *pTerm; /* For looping over WHERE clause terms */ + const WhereTerm *pWCEnd; /* Last WHERE clause term */ + Parse *pParse = pWInfo->pParse; /* Parsing context */ + Vdbe *v = pParse->pVdbe; /* VDBE under construction */ + WhereLoop *pLoop = pLevel->pWLoop; /* The loop being coded */ + int iCur; /* Cursor for table getting the filter */ + IndexedExpr *saved_pIdxEpr; /* saved copy of Parse.pIdxEpr */ + + saved_pIdxEpr = pParse->pIdxEpr; + pParse->pIdxEpr = 0; + + assert( pLoop!=0 ); + assert( v!=0 ); + assert( pLoop->wsFlags & WHERE_BLOOMFILTER ); + + addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); + do{ + const SrcList *pTabList; + const SrcItem *pItem; + const Table *pTab; + u64 sz; + int iSrc; + sqlite3WhereExplainBloomFilter(pParse, pWInfo, pLevel); + addrCont = sqlite3VdbeMakeLabel(pParse); + iCur = pLevel->iTabCur; + pLevel->regFilter = ++pParse->nMem; + + /* The Bloom filter is a Blob held in a register. Initialize it + ** to zero-filled blob of at least 80K bits, but maybe more if the + ** estimated size of the table is larger. We could actually + ** measure the size of the table at run-time using OP_Count with + ** P3==1 and use that value to initialize the blob. But that makes + ** testing complicated. By basing the blob size on the value in the + ** sqlite_stat1 table, testing is much easier. + */ + pTabList = pWInfo->pTabList; + iSrc = pLevel->iFrom; + pItem = &pTabList->a[iSrc]; + assert( pItem!=0 ); + pTab = pItem->pTab; + assert( pTab!=0 ); + sz = sqlite3LogEstToInt(pTab->nRowLogEst); + if( sz<10000 ){ + sz = 10000; + }else if( sz>10000000 ){ + sz = 10000000; + } + sqlite3VdbeAddOp2(v, OP_Blob, (int)sz, pLevel->regFilter); + + addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, iCur); VdbeCoverage(v); + pWCEnd = &pWInfo->sWC.a[pWInfo->sWC.nTerm]; + for(pTerm=pWInfo->sWC.a; pTermpExpr; + if( (pTerm->wtFlags & TERM_VIRTUAL)==0 + && sqlite3ExprIsSingleTableConstraint(pExpr, pTabList, iSrc) + ){ + sqlite3ExprIfFalse(pParse, pTerm->pExpr, addrCont, SQLITE_JUMPIFNULL); + } + } + if( pLoop->wsFlags & WHERE_IPK ){ + int r1 = sqlite3GetTempReg(pParse); + sqlite3VdbeAddOp2(v, OP_Rowid, iCur, r1); + sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, r1, 1); + sqlite3ReleaseTempReg(pParse, r1); + }else{ + Index *pIdx = pLoop->u.btree.pIndex; + int n = pLoop->u.btree.nEq; + int r1 = sqlite3GetTempRange(pParse, n); + int jj; + for(jj=0; jjpTable==pItem->pTab ); + sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iCur, jj, r1+jj); + } + sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, r1, n); + sqlite3ReleaseTempRange(pParse, r1, n); + } + sqlite3VdbeResolveLabel(v, addrCont); + sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); + VdbeCoverage(v); + sqlite3VdbeJumpHere(v, addrTop); + pLoop->wsFlags &= ~WHERE_BLOOMFILTER; + if( OptimizationDisabled(pParse->db, SQLITE_BloomPulldown) ) break; + while( ++iLevel < pWInfo->nLevel ){ + const SrcItem *pTabItem; + pLevel = &pWInfo->a[iLevel]; + pTabItem = &pWInfo->pTabList->a[pLevel->iFrom]; + if( pTabItem->fg.jointype & (JT_LEFT|JT_LTORJ) ) continue; + pLoop = pLevel->pWLoop; + if( NEVER(pLoop==0) ) continue; + if( pLoop->prereq & notReady ) continue; + if( (pLoop->wsFlags & (WHERE_BLOOMFILTER|WHERE_COLUMN_IN)) + ==WHERE_BLOOMFILTER + ){ + /* This is a candidate for bloom-filter pull-down (early evaluation). + ** The test that WHERE_COLUMN_IN is omitted is important, as we are + ** not able to do early evaluation of bloom filters that make use of + ** the IN operator */ + break; + } + } + }while( iLevel < pWInfo->nLevel ); + sqlite3VdbeJumpHere(v, addrOnce); + pParse->pIdxEpr = saved_pIdxEpr; +} + + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Allocate and populate an sqlite3_index_info structure. It is the ** responsibility of the caller to eventually release the structure -** by passing the pointer returned by this function to sqlite3_free(). +** by passing the pointer returned by this function to freeIndexInfo(). */ static sqlite3_index_info *allocateIndexInfo( - Parse *pParse, /* The parsing context */ + WhereInfo *pWInfo, /* The WHERE clause */ WhereClause *pWC, /* The WHERE clause being analyzed */ Bitmask mUnusable, /* Ignore terms with these prereqs */ - struct SrcList_item *pSrc, /* The FROM clause term that is the vtab */ - ExprList *pOrderBy, /* The ORDER BY clause */ + SrcItem *pSrc, /* The FROM clause term that is the vtab */ u16 *pmNoOmit /* Mask of terms not to omit */ ){ int i, j; int nTerm; + Parse *pParse = pWInfo->pParse; struct sqlite3_index_constraint *pIdxCons; struct sqlite3_index_orderby *pIdxOrderBy; struct sqlite3_index_constraint_usage *pUsage; @@ -146530,10 +160524,21 @@ static sqlite3_index_info *allocateIndexInfo( int nOrderBy; sqlite3_index_info *pIdxInfo; u16 mNoOmit = 0; + const Table *pTab; + int eDistinct = 0; + ExprList *pOrderBy = pWInfo->pOrderBy; - /* Count the number of possible WHERE clause constraints referring - ** to this virtual table */ + assert( pSrc!=0 ); + pTab = pSrc->pTab; + assert( pTab!=0 ); + assert( IsVirtual(pTab) ); + + /* Find all WHERE clause constraints referring to this virtual table. + ** Mark each term with the TERM_OK flag. Set nTerm to the number of + ** terms found. + */ for(i=nTerm=0, pTerm=pWC->a; inTerm; i++, pTerm++){ + pTerm->wtFlags &= ~TERM_OK; if( pTerm->leftCursor != pSrc->iCursor ) continue; if( pTerm->prereqRight & mUnusable ) continue; assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); @@ -146543,8 +160548,17 @@ static sqlite3_index_info *allocateIndexInfo( testcase( pTerm->eOperator & WO_ALL ); if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue; if( pTerm->wtFlags & TERM_VNULL ) continue; - assert( pTerm->u.leftColumn>=(-1) ); + + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + assert( pTerm->u.x.leftColumn>=XN_ROWID ); + assert( pTerm->u.x.leftColumnnCol ); + if( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 + && !constraintCompatibleWithOuterJoin(pTerm,pSrc) + ){ + continue; + } nTerm++; + pTerm->wtFlags |= TERM_OK; } /* If the ORDER BY clause contains only columns in the current @@ -146556,11 +160570,49 @@ static sqlite3_index_info *allocateIndexInfo( int n = pOrderBy->nExpr; for(i=0; ia[i].pExpr; - if( pExpr->op!=TK_COLUMN || pExpr->iTable!=pSrc->iCursor ) break; - if( pOrderBy->a[i].sortFlags & KEYINFO_ORDER_BIGNULL ) break; + Expr *pE2; + + /* Skip over constant terms in the ORDER BY clause */ + if( sqlite3ExprIsConstant(pExpr) ){ + continue; + } + + /* Virtual tables are unable to deal with NULLS FIRST */ + if( pOrderBy->a[i].fg.sortFlags & KEYINFO_ORDER_BIGNULL ) break; + + /* First case - a direct column references without a COLLATE operator */ + if( pExpr->op==TK_COLUMN && pExpr->iTable==pSrc->iCursor ){ + assert( pExpr->iColumn>=XN_ROWID && pExpr->iColumnnCol ); + continue; + } + + /* 2nd case - a column reference with a COLLATE operator. Only match + ** of the COLLATE operator matches the collation of the column. */ + if( pExpr->op==TK_COLLATE + && (pE2 = pExpr->pLeft)->op==TK_COLUMN + && pE2->iTable==pSrc->iCursor + ){ + const char *zColl; /* The collating sequence name */ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + assert( pExpr->u.zToken!=0 ); + assert( pE2->iColumn>=XN_ROWID && pE2->iColumnnCol ); + pExpr->iColumn = pE2->iColumn; + if( pE2->iColumn<0 ) continue; /* Collseq does not matter for rowid */ + zColl = sqlite3ColumnColl(&pTab->aCol[pE2->iColumn]); + if( zColl==0 ) zColl = sqlite3StrBINARY; + if( sqlite3_stricmp(pExpr->u.zToken, zColl)==0 ) continue; + } + + /* No matches cause a break out of the loop */ + break; } - if( i==n){ + if( i==n ){ nOrderBy = n; + if( (pWInfo->wctrlFlags & WHERE_DISTINCTBY) ){ + eDistinct = 2 + ((pWInfo->wctrlFlags & WHERE_SORTBYGROUP)!=0); + }else if( pWInfo->wctrlFlags & WHERE_GROUPBY ){ + eDistinct = 1; + } } } @@ -146568,46 +160620,35 @@ static sqlite3_index_info *allocateIndexInfo( */ pIdxInfo = sqlite3DbMallocZero(pParse->db, sizeof(*pIdxInfo) + (sizeof(*pIdxCons) + sizeof(*pUsage))*nTerm - + sizeof(*pIdxOrderBy)*nOrderBy + sizeof(*pHidden) ); + + sizeof(*pIdxOrderBy)*nOrderBy + sizeof(*pHidden) + + sizeof(sqlite3_value*)*nTerm ); if( pIdxInfo==0 ){ sqlite3ErrorMsg(pParse, "out of memory"); return 0; } pHidden = (struct HiddenIndexInfo*)&pIdxInfo[1]; - pIdxCons = (struct sqlite3_index_constraint*)&pHidden[1]; + pIdxCons = (struct sqlite3_index_constraint*)&pHidden->aRhs[nTerm]; pIdxOrderBy = (struct sqlite3_index_orderby*)&pIdxCons[nTerm]; pUsage = (struct sqlite3_index_constraint_usage*)&pIdxOrderBy[nOrderBy]; - pIdxInfo->nOrderBy = nOrderBy; pIdxInfo->aConstraint = pIdxCons; pIdxInfo->aOrderBy = pIdxOrderBy; pIdxInfo->aConstraintUsage = pUsage; pHidden->pWC = pWC; pHidden->pParse = pParse; + pHidden->eDistinct = eDistinct; + pHidden->mIn = 0; for(i=j=0, pTerm=pWC->a; inTerm; i++, pTerm++){ u16 op; - if( pTerm->leftCursor != pSrc->iCursor ) continue; - if( pTerm->prereqRight & mUnusable ) continue; - assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); - testcase( pTerm->eOperator & WO_IN ); - testcase( pTerm->eOperator & WO_IS ); - testcase( pTerm->eOperator & WO_ISNULL ); - testcase( pTerm->eOperator & WO_ALL ); - if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue; - if( pTerm->wtFlags & TERM_VNULL ) continue; - - /* tag-20191211-002: WHERE-clause constraints are not useful to the - ** right-hand table of a LEFT JOIN. See tag-20191211-001 for the - ** equivalent restriction for ordinary tables. */ - if( (pSrc->fg.jointype & JT_LEFT)!=0 - && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) - ){ - continue; - } - assert( pTerm->u.leftColumn>=(-1) ); - pIdxCons[j].iColumn = pTerm->u.leftColumn; + if( (pTerm->wtFlags & TERM_OK)==0 ) continue; + pIdxCons[j].iColumn = pTerm->u.x.leftColumn; pIdxCons[j].iTermOffset = i; op = pTerm->eOperator & WO_ALL; - if( op==WO_IN ) op = WO_EQ; + if( op==WO_IN ){ + if( (pTerm->wtFlags & TERM_SLICE)==0 ){ + pHidden->mIn |= SMASKBIT32(j); + } + op = WO_EQ; + } if( op==WO_AUX ){ pIdxCons[j].op = pTerm->eMatchOp; }else if( op & (WO_ISNULL|WO_IS) ){ @@ -146640,17 +160681,42 @@ static sqlite3_index_info *allocateIndexInfo( j++; } + assert( j==nTerm ); pIdxInfo->nConstraint = j; - for(i=0; ia[i].pExpr; - pIdxOrderBy[i].iColumn = pExpr->iColumn; - pIdxOrderBy[i].desc = pOrderBy->a[i].sortFlags & KEYINFO_ORDER_DESC; + if( sqlite3ExprIsConstant(pExpr) ) continue; + assert( pExpr->op==TK_COLUMN + || (pExpr->op==TK_COLLATE && pExpr->pLeft->op==TK_COLUMN + && pExpr->iColumn==pExpr->pLeft->iColumn) ); + pIdxOrderBy[j].iColumn = pExpr->iColumn; + pIdxOrderBy[j].desc = pOrderBy->a[i].fg.sortFlags & KEYINFO_ORDER_DESC; + j++; } + pIdxInfo->nOrderBy = j; *pmNoOmit = mNoOmit; return pIdxInfo; } +/* +** Free an sqlite3_index_info structure allocated by allocateIndexInfo() +** and possibly modified by xBestIndex methods. +*/ +static void freeIndexInfo(sqlite3 *db, sqlite3_index_info *pIdxInfo){ + HiddenIndexInfo *pHidden; + int i; + assert( pIdxInfo!=0 ); + pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; + assert( pHidden->pParse!=0 ); + assert( pHidden->pParse->db==db ); + for(i=0; inConstraint; i++){ + sqlite3ValueFree(pHidden->aRhs[i]); /* IMP: R-14553-25174 */ + pHidden->aRhs[i] = 0; + } + sqlite3DbFree(db, pIdxInfo); +} + /* ** The table object reference passed as the second argument to this function ** must represent a virtual table. This function invokes the xBestIndex() @@ -146672,7 +160738,9 @@ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ int rc; whereTraceIndexInfoInputs(p); + pParse->db->nSchemaLock++; rc = pVtab->pModule->xBestIndex(pVtab, p); + pParse->db->nSchemaLock--; whereTraceIndexInfoOutputs(p); if( rc!=SQLITE_OK && rc!=SQLITE_CONSTRAINT ){ @@ -146684,6 +160752,9 @@ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ sqlite3ErrorMsg(pParse, "%s", pVtab->zErrMsg); } } + if( pTab->u.vtab.p->bAllSchemas ){ + sqlite3VtabUsesAllSchemas(pParse); + } sqlite3_free(pVtab->zErrMsg); pVtab->zErrMsg = 0; return rc; @@ -146726,7 +160797,8 @@ static int whereKeyStats( #endif assert( pRec!=0 ); assert( pIdx->nSample>0 ); - assert( pRec->nField>0 && pRec->nField<=pIdx->nSampleCol ); + assert( pRec->nField>0 ); + /* Do a binary search to find the first sample greater than or equal ** to pRec. If pRec contains a single field, the set of samples to search @@ -146772,7 +160844,12 @@ static int whereKeyStats( ** it is extended to two fields. The duplicates that this creates do not ** cause any problems. */ - nField = pRec->nField; + if( !HasRowid(pIdx->pTable) && IsPrimaryKeyIndex(pIdx) ){ + nField = pIdx->nKeyCol; + }else{ + nField = pIdx->nColumn; + } + nField = MIN(pRec->nField, nField); iCol = 0; iSample = pIdx->nSample * nField; do{ @@ -146838,12 +160915,12 @@ static int whereKeyStats( if( iCol>0 ){ pRec->nField = iCol; assert( sqlite3VdbeRecordCompare(aSample[i].n, aSample[i].p, pRec)<=0 - || pParse->db->mallocFailed ); + || pParse->db->mallocFailed || CORRUPT_DB ); } if( i>0 ){ pRec->nField = nField; assert( sqlite3VdbeRecordCompare(aSample[i-1].n, aSample[i-1].p, pRec)<0 - || pParse->db->mallocFailed ); + || pParse->db->mallocFailed || CORRUPT_DB ); } } } @@ -146860,7 +160937,7 @@ static int whereKeyStats( ** is larger than all samples in the array. */ tRowcnt iUpper, iGap; if( i>=pIdx->nSample ){ - iUpper = sqlite3LogEstToInt(pIdx->aiRowLogEst[0]); + iUpper = pIdx->nRowEst0; }else{ iUpper = aSample[i].anLt[iCol]; } @@ -146935,7 +161012,7 @@ SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCo ** Value pLoop->nOut is currently set to the estimated number of rows ** visited for scanning (a=? AND b=?). This function reduces that estimate ** by some factor to account for the (c BETWEEN ? AND ?) expression based -** on the stat4 data for the index. this scan will be peformed multiple +** on the stat4 data for the index. this scan will be performed multiple ** times (once for each (a,b) combination that matches a=?) is dealt with ** by the caller. ** @@ -147016,7 +161093,7 @@ static int whereRangeSkipScanEst( int nAdjust = (sqlite3LogEst(p->nSample) - sqlite3LogEst(nDiff)); pLoop->nOut -= nAdjust; *pbDone = 1; - WHERETRACE(0x10, ("range skip-scan regions: %u..%u adjust=%d est=%d\n", + WHERETRACE(0x20, ("range skip-scan regions: %u..%u adjust=%d est=%d\n", nLower, nUpper, nAdjust*-1, pLoop->nOut)); } @@ -147194,7 +161271,7 @@ static int whereRangeScanEst( if( nNewwtFlags & TERM_VNULL)==0 ); + assert( pUpper==0 || (pUpper->wtFlags & TERM_VNULL)==0 || pParse->nErr>0 ); nNew = whereRangeAdjust(pLower, nOut); nNew = whereRangeAdjust(pUpper, nNew); @@ -147227,7 +161304,7 @@ static int whereRangeScanEst( if( nNewnOut>nOut ){ - WHERETRACE(0x10,("Range scan lowers nOut from %d to %d\n", + WHERETRACE(0x20,("Range scan lowers nOut from %d to %d\n", pLoop->nOut, nOut)); } #endif @@ -147292,7 +161369,7 @@ static int whereEqualScanEst( pBuilder->nRecValid = nEq; whereKeyStats(pParse, p, pRec, 0, a); - WHERETRACE(0x10,("equality scan regions %s(%d): %d\n", + WHERETRACE(0x20,("equality scan regions %s(%d): %d\n", p->zName, nEq-1, (int)a[1])); *pnRow = a[1]; @@ -147340,9 +161417,9 @@ static int whereInScanEst( } if( rc==SQLITE_OK ){ - if( nRowEst > nRow0 ) nRowEst = nRow0; + if( nRowEst > (tRowcnt)nRow0 ) nRowEst = nRow0; *pnRow = nRowEst; - WHERETRACE(0x10,("IN row estimate: est=%d\n", nRowEst)); + WHERETRACE(0x20,("IN row estimate: est=%d\n", nRowEst)); } assert( pBuilder->nRecValid==nRecValid ); return rc; @@ -147363,13 +161440,14 @@ SQLITE_PRIVATE void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm){ memcpy(zType, "....", 5); if( pTerm->wtFlags & TERM_VIRTUAL ) zType[0] = 'V'; if( pTerm->eOperator & WO_EQUIV ) zType[1] = 'E'; - if( ExprHasProperty(pTerm->pExpr, EP_FromJoin) ) zType[2] = 'L'; + if( ExprHasProperty(pTerm->pExpr, EP_OuterON) ) zType[2] = 'L'; if( pTerm->wtFlags & TERM_CODED ) zType[3] = 'C'; if( pTerm->eOperator & WO_SINGLE ){ + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); sqlite3_snprintf(sizeof(zLeft),zLeft,"left={%d:%d}", - pTerm->leftCursor, pTerm->u.leftColumn); + pTerm->leftCursor, pTerm->u.x.leftColumn); }else if( (pTerm->eOperator & WO_OR)!=0 && pTerm->u.pOrInfo!=0 ){ - sqlite3_snprintf(sizeof(zLeft),zLeft,"indexable=0x%lld", + sqlite3_snprintf(sizeof(zLeft),zLeft,"indexable=0x%llx", pTerm->u.pOrInfo->indexable); }else{ sqlite3_snprintf(sizeof(zLeft),zLeft,"left=%d", pTerm->leftCursor); @@ -147383,8 +161461,8 @@ SQLITE_PRIVATE void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm){ sqlite3DebugPrintf(" prob=%-3d prereq=%llx,%llx", pTerm->truthProb, (u64)pTerm->prereqAll, (u64)pTerm->prereqRight); } - if( pTerm->iField ){ - sqlite3DebugPrintf(" iField=%d", pTerm->iField); + if( (pTerm->eOperator & (WO_OR|WO_AND))==0 && pTerm->u.x.iField ){ + sqlite3DebugPrintf(" iField=%d", pTerm->u.x.iField); } if( pTerm->iParent>=0 ){ sqlite3DebugPrintf(" iParent=%d", pTerm->iParent); @@ -147414,7 +161492,7 @@ SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC){ SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ WhereInfo *pWInfo = pWC->pWInfo; int nb = 1+(pWInfo->pTabList->nSrc+3)/4; - struct SrcList_item *pItem = pWInfo->pTabList->a + p->iTab; + SrcItem *pItem = pWInfo->pTabList->a + p->iTab; Table *pTab = pItem->pTab; Bitmask mAll = (((Bitmask)1)<<(nb*4)) - 1; sqlite3DebugPrintf("%c%2d.%0*llx.%0*llx", p->cId, @@ -147445,12 +161523,12 @@ SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ sqlite3_free(z); } if( p->wsFlags & WHERE_SKIPSCAN ){ - sqlite3DebugPrintf(" f %05x %d-%d", p->wsFlags, p->nLTerm,p->nSkip); + sqlite3DebugPrintf(" f %06x %d-%d", p->wsFlags, p->nLTerm,p->nSkip); }else{ - sqlite3DebugPrintf(" f %05x N %d", p->wsFlags, p->nLTerm); + sqlite3DebugPrintf(" f %06x N %d", p->wsFlags, p->nLTerm); } sqlite3DebugPrintf(" cost %d,%d,%d\n", p->rSetup, p->rRun, p->nOut); - if( p->nLTerm && (sqlite3WhereTrace & 0x100)!=0 ){ + if( p->nLTerm && (sqlite3WhereTrace & 0x4000)!=0 ){ int i; for(i=0; inLTerm; i++){ sqlite3WhereTermPrint(p->aLTerm[i], i); @@ -147488,12 +161566,18 @@ static void whereLoopClearUnion(sqlite3 *db, WhereLoop *p){ } /* -** Deallocate internal memory used by a WhereLoop object +** Deallocate internal memory used by a WhereLoop object. Leave the +** object in an initialized state, as if it had been newly allocated. */ static void whereLoopClear(sqlite3 *db, WhereLoop *p){ - if( p->aLTerm!=p->aLTermSpace ) sqlite3DbFreeNN(db, p->aLTerm); + if( p->aLTerm!=p->aLTermSpace ){ + sqlite3DbFreeNN(db, p->aLTerm); + p->aLTerm = p->aLTermSpace; + p->nLSlot = ArraySize(p->aLTermSpace); + } whereLoopClearUnion(db, p); - whereLoopInit(p); + p->nLTerm = 0; + p->wsFlags = 0; } /* @@ -147517,8 +161601,10 @@ static int whereLoopResize(sqlite3 *db, WhereLoop *p, int n){ */ static int whereLoopXfer(sqlite3 *db, WhereLoop *pTo, WhereLoop *pFrom){ whereLoopClearUnion(db, pTo); - if( whereLoopResize(db, pTo, pFrom->nLTerm) ){ - memset(&pTo->u, 0, sizeof(pTo->u)); + if( pFrom->nLTerm > pTo->nLSlot + && whereLoopResize(db, pTo, pFrom->nLTerm) + ){ + memset(pTo, 0, WHERE_LOOP_XFER_SZ); return SQLITE_NOMEM_BKPT; } memcpy(pTo, pFrom, WHERE_LOOP_XFER_SZ); @@ -147535,36 +161621,36 @@ static int whereLoopXfer(sqlite3 *db, WhereLoop *pTo, WhereLoop *pFrom){ ** Delete a WhereLoop object */ static void whereLoopDelete(sqlite3 *db, WhereLoop *p){ + assert( db!=0 ); whereLoopClear(db, p); - sqlite3DbFreeNN(db, p); + sqlite3DbNNFreeNN(db, p); } /* ** Free a WhereInfo structure */ static void whereInfoFree(sqlite3 *db, WhereInfo *pWInfo){ - int i; assert( pWInfo!=0 ); - for(i=0; inLevel; i++){ - WhereLevel *pLevel = &pWInfo->a[i]; - if( pLevel->pWLoop && (pLevel->pWLoop->wsFlags & WHERE_IN_ABLE) ){ - sqlite3DbFree(db, pLevel->u.in.aInLoop); - } - } + assert( db!=0 ); sqlite3WhereClauseClear(&pWInfo->sWC); while( pWInfo->pLoops ){ WhereLoop *p = pWInfo->pLoops; pWInfo->pLoops = p->pNextLoop; whereLoopDelete(db, p); } - assert( pWInfo->pExprMods==0 ); - sqlite3DbFreeNN(db, pWInfo); + while( pWInfo->pMemToFree ){ + WhereMemBlock *pNext = pWInfo->pMemToFree->pNext; + sqlite3DbNNFreeNN(db, pWInfo->pMemToFree); + pWInfo->pMemToFree = pNext; + } + sqlite3DbNNFreeNN(db, pWInfo); } /* ** Return TRUE if all of the following are true: ** -** (1) X has the same or lower cost that Y +** (1) X has the same or lower cost, or returns the same or fewer rows, +** than Y. ** (2) X uses fewer WHERE clause terms than Y ** (3) Every WHERE clause term used by X is also used by Y ** (4) X skips at least as many columns as Y @@ -147587,11 +161673,8 @@ static int whereLoopCheaperProperSubset( if( pX->nLTerm-pX->nSkip >= pY->nLTerm-pY->nSkip ){ return 0; /* X is not a subset of Y */ } + if( pX->rRun>pY->rRun && pX->nOut>pY->nOut ) return 0; if( pY->nSkip > pX->nSkip ) return 0; - if( pX->rRun >= pY->rRun ){ - if( pX->rRun > pY->rRun ) return 0; /* X costs more than Y */ - if( pX->nOut > pY->nOut ) return 0; /* X costs more than Y */ - } for(i=pX->nLTerm-1; i>=0; i--){ if( pX->aLTerm[i]==0 ) continue; for(j=pY->nLTerm-1; j>=0; j--){ @@ -147607,8 +161690,8 @@ static int whereLoopCheaperProperSubset( } /* -** Try to adjust the cost of WhereLoop pTemplate upwards or downwards so -** that: +** Try to adjust the cost and number of output rows of WhereLoop pTemplate +** upwards or downwards so that: ** ** (1) pTemplate costs less than any other WhereLoops that are a proper ** subset of pTemplate @@ -147629,16 +161712,20 @@ static void whereLoopAdjustCost(const WhereLoop *p, WhereLoop *pTemplate){ /* Adjust pTemplate cost downward so that it is cheaper than its ** subset p. */ WHERETRACE(0x80,("subset cost adjustment %d,%d to %d,%d\n", - pTemplate->rRun, pTemplate->nOut, p->rRun, p->nOut-1)); - pTemplate->rRun = p->rRun; - pTemplate->nOut = p->nOut - 1; + pTemplate->rRun, pTemplate->nOut, + MIN(p->rRun, pTemplate->rRun), + MIN(p->nOut - 1, pTemplate->nOut))); + pTemplate->rRun = MIN(p->rRun, pTemplate->rRun); + pTemplate->nOut = MIN(p->nOut - 1, pTemplate->nOut); }else if( whereLoopCheaperProperSubset(pTemplate, p) ){ /* Adjust pTemplate cost upward so that it is costlier than p since ** pTemplate is a proper subset of p */ WHERETRACE(0x80,("subset cost adjustment %d,%d to %d,%d\n", - pTemplate->rRun, pTemplate->nOut, p->rRun, p->nOut+1)); - pTemplate->rRun = p->rRun; - pTemplate->nOut = p->nOut + 1; + pTemplate->rRun, pTemplate->nOut, + MAX(p->rRun, pTemplate->rRun), + MAX(p->nOut + 1, pTemplate->nOut))); + pTemplate->rRun = MAX(p->rRun, pTemplate->rRun); + pTemplate->nOut = MAX(p->nOut + 1, pTemplate->nOut); } } } @@ -147680,7 +161767,7 @@ static WhereLoop **whereLoopFindLesser( ** rSetup. Call this SETUP-INVARIANT */ assert( p->rSetup>=pTemplate->rSetup ); - /* Any loop using an appliation-defined index (or PRIMARY KEY or + /* Any loop using an application-defined index (or PRIMARY KEY or ** UNIQUE constraint) with one or more == constraints is better ** than an automatic index. Unless it is a skip-scan. */ if( (p->wsFlags & WHERE_AUTO_INDEX)!=0 @@ -147707,7 +161794,7 @@ static WhereLoop **whereLoopFindLesser( /* If pTemplate is always better than p, then cause p to be overwritten ** with pTemplate. pTemplate is better than p if: - ** (1) pTemplate has no more dependences than p, and + ** (1) pTemplate has no more dependencies than p, and ** (2) pTemplate has an equal or lower cost than p. */ if( (p->prereq & pTemplate->prereq)==pTemplate->prereq /* (1) */ @@ -147825,7 +161912,7 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ }else{ /* We will be overwriting WhereLoop p[]. But before we do, first ** go through the rest of the list and delete any other entries besides - ** p[] that are also supplated by pTemplate */ + ** p[] that are also supplanted by pTemplate */ WhereLoop **ppTail = &p->pNextLoop; WhereLoop *pToDel; while( *ppTail ){ @@ -147893,11 +161980,11 @@ static void whereLoopOutputAdjust( LogEst iReduce = 0; /* pLoop->nOut should not exceed nRow-iReduce */ assert( (pLoop->wsFlags & WHERE_AUTO_INDEX)==0 ); - for(i=pWC->nTerm, pTerm=pWC->a; i>0; i--, pTerm++){ + for(i=pWC->nBase, pTerm=pWC->a; i>0; i--, pTerm++){ assert( pTerm!=0 ); - if( (pTerm->wtFlags & TERM_VIRTUAL)!=0 ) break; - if( (pTerm->prereqAll & pLoop->maskSelf)==0 ) continue; if( (pTerm->prereqAll & notAllowed)!=0 ) continue; + if( (pTerm->prereqAll & pLoop->maskSelf)==0 ) continue; + if( (pTerm->wtFlags & TERM_VIRTUAL)!=0 ) continue; for(j=pLoop->nLTerm-1; j>=0; j--){ pX = pLoop->aLTerm[j]; if( pX==0 ) continue; @@ -147905,6 +161992,24 @@ static void whereLoopOutputAdjust( if( pX->iParent>=0 && (&pWC->a[pX->iParent])==pTerm ) break; } if( j<0 ){ + sqlite3ProgressCheck(pWC->pWInfo->pParse); + if( pLoop->maskSelf==pTerm->prereqAll ){ + /* If there are extra terms in the WHERE clause not used by an index + ** that depend only on the table being scanned, and that will tend to + ** cause many rows to be omitted, then mark that table as + ** "self-culling". + ** + ** 2022-03-24: Self-culling only applies if either the extra terms + ** are straight comparison operators that are non-true with NULL + ** operand, or if the loop is not an OUTER JOIN. + */ + if( (pTerm->eOperator & 0x3f)!=0 + || (pWC->pWInfo->pTabList->a[pLoop->iTab].fg.jointype + & (JT_LEFT|JT_LTORJ))==0 + ){ + pLoop->wsFlags |= WHERE_SELFCULL; + } + } if( pTerm->truthProb<=0 ){ /* If a truth probability is specified using the likelihood() hints, ** then use the probability provided by the application. */ @@ -147932,7 +162037,9 @@ static void whereLoopOutputAdjust( } } } - if( pLoop->nOut > nRow-iReduce ) pLoop->nOut = nRow - iReduce; + if( pLoop->nOut > nRow-iReduce ){ + pLoop->nOut = nRow - iReduce; + } } /* @@ -147969,9 +162076,12 @@ static int whereRangeVectorLen( char aff; /* Comparison affinity */ char idxaff = 0; /* Indexed columns affinity */ CollSeq *pColl; /* Comparison collation sequence */ - Expr *pLhs = pTerm->pExpr->pLeft->x.pList->a[i].pExpr; - Expr *pRhs = pTerm->pExpr->pRight; - if( pRhs->flags & EP_xIsSelect ){ + Expr *pLhs, *pRhs; + + assert( ExprUseXList(pTerm->pExpr->pLeft) ); + pLhs = pTerm->pExpr->pLeft->x.pList->a[i].pExpr; + pRhs = pTerm->pExpr->pRight; + if( ExprUseXSelect(pRhs) ){ pRhs = pRhs->x.pSelect->pEList->a[i].pExpr; }else{ pRhs = pRhs->x.pList->a[i].pExpr; @@ -148002,7 +162112,7 @@ static int whereRangeVectorLen( } /* -** Adjust the cost C by the costMult facter T. This only occurs if +** Adjust the cost C by the costMult factor T. This only occurs if ** compiled with -DSQLITE_ENABLE_COSTMULT */ #ifdef SQLITE_ENABLE_COSTMULT @@ -148025,11 +162135,11 @@ static int whereRangeVectorLen( */ static int whereLoopAddBtreeIndex( WhereLoopBuilder *pBuilder, /* The WhereLoop factory */ - struct SrcList_item *pSrc, /* FROM clause term being analyzed */ + SrcItem *pSrc, /* FROM clause term being analyzed */ Index *pProbe, /* An index on pSrc */ LogEst nInMul /* log(Number of iterations due to IN) */ ){ - WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyse context */ + WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyze context */ Parse *pParse = pWInfo->pParse; /* Parsing context */ sqlite3 *db = pParse->db; /* Database connection malloc context */ WhereLoop *pNew; /* Template WhereLoop under construction */ @@ -148050,10 +162160,13 @@ static int whereLoopAddBtreeIndex( WhereTerm *pTop = 0, *pBtm = 0; /* Top and bottom range constraints */ pNew = pBuilder->pNew; - if( db->mallocFailed ) return SQLITE_NOMEM_BKPT; - WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d, nSkip=%d\n", + assert( db->mallocFailed==0 || pParse->nErr>0 ); + if( pParse->nErr ){ + return pParse->rc; + } + WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d, nSkip=%d, rRun=%d\n", pProbe->pTable->zName,pProbe->zName, - pNew->u.btree.nEq, pNew->nSkip)); + pNew->u.btree.nEq, pNew->nSkip, pNew->rRun)); assert( (pNew->wsFlags & WHERE_VIRTUALTABLE)==0 ); assert( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 ); @@ -148066,6 +162179,8 @@ static int whereLoopAddBtreeIndex( if( pProbe->bUnordered ) opMask &= ~(WO_GT|WO_GE|WO_LT|WO_LE); assert( pNew->u.btree.nEqnColumn ); + assert( pNew->u.btree.nEqnKeyCol + || pProbe->idxType!=SQLITE_IDXTYPE_PRIMARYKEY ); saved_nEq = pNew->u.btree.nEq; saved_nBtm = pNew->u.btree.nBtm; @@ -148099,15 +162214,11 @@ static int whereLoopAddBtreeIndex( ** to mix with a lower range bound from some other source */ if( pTerm->wtFlags & TERM_LIKEOPT && pTerm->eOperator==WO_LT ) continue; - /* tag-20191211-001: Do not allow constraints from the WHERE clause to - ** be used by the right table of a LEFT JOIN. Only constraints in the - ** ON clause are allowed. See tag-20191211-002 for the vtab equivalent. */ - if( (pSrc->fg.jointype & JT_LEFT)!=0 - && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) + if( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 + && !constraintCompatibleWithOuterJoin(pTerm,pSrc) ){ continue; } - if( IsUniqueIndex(pProbe) && saved_nEq==pProbe->nKeyCol-1 ){ pBuilder->bldFlags1 |= SQLITE_BLDF1_UNIQUE; }else{ @@ -148118,7 +162229,11 @@ static int whereLoopAddBtreeIndex( pNew->u.btree.nBtm = saved_nBtm; pNew->u.btree.nTop = saved_nTop; pNew->nLTerm = saved_nLTerm; - if( whereLoopResize(db, pNew, pNew->nLTerm+1) ) break; /* OOM */ + if( pNew->nLTerm>=pNew->nLSlot + && whereLoopResize(db, pNew, pNew->nLTerm+1) + ){ + break; /* OOM while trying to enlarge the pNew->aLTerm array */ + } pNew->aLTerm[pNew->nLTerm++] = pTerm; pNew->prereq = (saved_prereq | pTerm->prereqRight) & ~pNew->maskSelf; @@ -148130,7 +162245,7 @@ static int whereLoopAddBtreeIndex( if( eOp & WO_IN ){ Expr *pExpr = pTerm->pExpr; - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( ExprUseXSelect(pExpr) ){ /* "x IN (SELECT ...)": TUNING: the SELECT returns 25 rows */ int i; nIn = 46; assert( 46==sqlite3LogEst(25) ); @@ -148147,8 +162262,8 @@ static int whereLoopAddBtreeIndex( /* "x IN (value, value, ...)" */ nIn = sqlite3LogEst(pExpr->x.pList->nExpr); } - if( pProbe->hasStat1 ){ - LogEst M, logK, safetyMargin; + if( pProbe->hasStat1 && rLogSize>=10 ){ + LogEst M, logK, x; /* Let: ** N = the total number of rows in the table ** K = the number of entries on the RHS of the IN operator @@ -148166,20 +162281,30 @@ static int whereLoopAddBtreeIndex( ** a safety margin of 2 (LogEst: 10) that favors using the IN operator ** with the index, as using an index has better worst-case behavior. ** If we do not have real sqlite_stat1 data, always prefer to use - ** the index. + ** the index. Do not bother with this optimization on very small + ** tables (less than 2 rows) as it is pointless in that case. */ M = pProbe->aiRowLogEst[saved_nEq]; logK = estLog(nIn); - safetyMargin = 10; /* TUNING: extra weight for indexed IN */ - if( M + logK + safetyMargin < nIn + rLogSize ){ + /* TUNING v----- 10 to bias toward indexed IN */ + x = M + logK + 10 - (nIn + rLogSize); + if( x>=0 ){ WHERETRACE(0x40, - ("Scan preferred over IN operator on column %d of \"%s\" (%d<%d)\n", - saved_nEq, pProbe->zName, M+logK+10, nIn+rLogSize)); - continue; + ("IN operator (N=%d M=%d logK=%d nIn=%d rLogSize=%d x=%d) " + "prefers indexed lookup\n", + saved_nEq, M, logK, nIn, rLogSize, x)); + }else if( nInMul<2 && OptimizationEnabled(db, SQLITE_SeekScan) ){ + WHERETRACE(0x40, + ("IN operator (N=%d M=%d logK=%d nIn=%d rLogSize=%d x=%d" + " nInMul=%d) prefers skip-scan\n", + saved_nEq, M, logK, nIn, rLogSize, x, nInMul)); + pNew->wsFlags |= WHERE_IN_SEEKSCAN; }else{ WHERETRACE(0x40, - ("IN operator preferred on column %d of \"%s\" (%d>=%d)\n", - saved_nEq, pProbe->zName, M+logK+10, nIn+rLogSize)); + ("IN operator (N=%d M=%d logK=%d nIn=%d rLogSize=%d x=%d" + " nInMul=%d) prefers normal scan\n", + saved_nEq, M, logK, nIn, rLogSize, x, nInMul)); + continue; } } pNew->wsFlags |= WHERE_COLUMN_IN; @@ -148198,40 +162323,42 @@ static int whereLoopAddBtreeIndex( pNew->wsFlags |= WHERE_UNQ_WANTED; } } + if( scan.iEquiv>1 ) pNew->wsFlags |= WHERE_TRANSCONS; }else if( eOp & WO_ISNULL ){ pNew->wsFlags |= WHERE_COLUMN_NULL; - }else if( eOp & (WO_GT|WO_GE) ){ - testcase( eOp & WO_GT ); - testcase( eOp & WO_GE ); - pNew->wsFlags |= WHERE_COLUMN_RANGE|WHERE_BTM_LIMIT; - pNew->u.btree.nBtm = whereRangeVectorLen( - pParse, pSrc->iCursor, pProbe, saved_nEq, pTerm - ); - pBtm = pTerm; - pTop = 0; - if( pTerm->wtFlags & TERM_LIKEOPT ){ - /* Range contraints that come from the LIKE optimization are - ** always used in pairs. */ - pTop = &pTerm[1]; - assert( (pTop-(pTerm->pWC->a))pWC->nTerm ); - assert( pTop->wtFlags & TERM_LIKEOPT ); - assert( pTop->eOperator==WO_LT ); - if( whereLoopResize(db, pNew, pNew->nLTerm+1) ) break; /* OOM */ - pNew->aLTerm[pNew->nLTerm++] = pTop; - pNew->wsFlags |= WHERE_TOP_LIMIT; - pNew->u.btree.nTop = 1; - } - }else{ - assert( eOp & (WO_LT|WO_LE) ); - testcase( eOp & WO_LT ); - testcase( eOp & WO_LE ); - pNew->wsFlags |= WHERE_COLUMN_RANGE|WHERE_TOP_LIMIT; - pNew->u.btree.nTop = whereRangeVectorLen( + }else{ + int nVecLen = whereRangeVectorLen( pParse, pSrc->iCursor, pProbe, saved_nEq, pTerm ); - pTop = pTerm; - pBtm = (pNew->wsFlags & WHERE_BTM_LIMIT)!=0 ? - pNew->aLTerm[pNew->nLTerm-2] : 0; + if( eOp & (WO_GT|WO_GE) ){ + testcase( eOp & WO_GT ); + testcase( eOp & WO_GE ); + pNew->wsFlags |= WHERE_COLUMN_RANGE|WHERE_BTM_LIMIT; + pNew->u.btree.nBtm = nVecLen; + pBtm = pTerm; + pTop = 0; + if( pTerm->wtFlags & TERM_LIKEOPT ){ + /* Range constraints that come from the LIKE optimization are + ** always used in pairs. */ + pTop = &pTerm[1]; + assert( (pTop-(pTerm->pWC->a))pWC->nTerm ); + assert( pTop->wtFlags & TERM_LIKEOPT ); + assert( pTop->eOperator==WO_LT ); + if( whereLoopResize(db, pNew, pNew->nLTerm+1) ) break; /* OOM */ + pNew->aLTerm[pNew->nLTerm++] = pTop; + pNew->wsFlags |= WHERE_TOP_LIMIT; + pNew->u.btree.nTop = 1; + } + }else{ + assert( eOp & (WO_LT|WO_LE) ); + testcase( eOp & WO_LT ); + testcase( eOp & WO_LE ); + pNew->wsFlags |= WHERE_COLUMN_RANGE|WHERE_TOP_LIMIT; + pNew->u.btree.nTop = nVecLen; + pTop = pTerm; + pBtm = (pNew->wsFlags & WHERE_BTM_LIMIT)!=0 ? + pNew->aLTerm[pNew->nLTerm-2] : 0; + } } /* At this point pNew->nOut is set to the number of rows expected to @@ -148259,8 +162386,8 @@ static int whereLoopAddBtreeIndex( tRowcnt nOut = 0; if( nInMul==0 && pProbe->nSample - && pNew->u.btree.nEq<=pProbe->nSampleCol - && ((eOp & WO_IN)==0 || !ExprHasProperty(pTerm->pExpr, EP_xIsSelect)) + && ALWAYS(pNew->u.btree.nEq<=pProbe->nSampleCol) + && ((eOp & WO_IN)==0 || ExprUseXList(pTerm->pExpr)) && OptimizationEnabled(db, SQLITE_Stat4) ){ Expr *pExpr = pTerm->pExpr; @@ -148283,7 +162410,7 @@ static int whereLoopAddBtreeIndex( && pNew->nOut+10 > pProbe->aiRowLogEst[0] ){ #if WHERETRACE_ENABLED /* 0x01 */ - if( sqlite3WhereTrace & 0x01 ){ + if( sqlite3WhereTrace & 0x20 ){ sqlite3DebugPrintf( "STAT4 determines term has low selectivity:\n"); sqlite3WhereTermPrint(pTerm, 999); @@ -148320,9 +162447,17 @@ static int whereLoopAddBtreeIndex( ** seek only. Then, if this is a non-covering index, add the cost of ** visiting the rows in the main table. */ assert( pSrc->pTab->szTabRow>0 ); - rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow; + if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){ + /* The pProbe->szIdxRow is low for an IPK table since the interior + ** pages are small. Thus szIdxRow gives a good estimate of seek cost. + ** But the leaf pages are full-size, so pProbe->szIdxRow would badly + ** under-estimate the scanning cost. */ + rCostIdx = pNew->nOut + 16; + }else{ + rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow; + } pNew->rRun = sqlite3LogEstAdd(rLogSize, rCostIdx); - if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK))==0 ){ + if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK|WHERE_EXPRIDX))==0 ){ pNew->rRun = sqlite3LogEstAdd(pNew->rRun, pNew->nOut + 16); } ApplyCostMultiplier(pNew->rRun, pProbe->pTable->costMult); @@ -148341,7 +162476,12 @@ static int whereLoopAddBtreeIndex( if( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 && pNew->u.btree.nEqnColumn + && (pNew->u.btree.nEqnKeyCol || + pProbe->idxType!=SQLITE_IDXTYPE_PRIMARYKEY) ){ + if( pNew->u.btree.nEq>3 ){ + sqlite3ProgressCheck(pParse); + } whereLoopAddBtreeIndex(pBuilder, pSrc, pProbe, nInMul+nIn); } pNew->nOut = saved_nOut; @@ -148421,6 +162561,7 @@ static int indexMightHelpWithOrderBy( if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0; for(ii=0; iinExpr; ii++){ Expr *pExpr = sqlite3ExprSkipCollateAndLikely(pOB->a[ii].pExpr); + if( NEVER(pExpr==0) ) continue; if( pExpr->op==TK_COLUMN && pExpr->iTable==iCursor ){ if( pExpr->iColumn<0 ) return 1; for(jj=0; jjnKeyCol; jj++){ @@ -148443,24 +162584,48 @@ static int indexMightHelpWithOrderBy( */ static int whereUsablePartialIndex( int iTab, /* The table for which we want an index */ - int isLeft, /* True if iTab is the right table of a LEFT JOIN */ + u8 jointype, /* The JT_* flags on the join */ WhereClause *pWC, /* The WHERE clause of the query */ Expr *pWhere /* The WHERE clause from the partial index */ ){ int i; WhereTerm *pTerm; - Parse *pParse = pWC->pWInfo->pParse; + Parse *pParse; + + if( jointype & JT_LTORJ ) return 0; + pParse = pWC->pWInfo->pParse; while( pWhere->op==TK_AND ){ - if( !whereUsablePartialIndex(iTab,isLeft,pWC,pWhere->pLeft) ) return 0; + if( !whereUsablePartialIndex(iTab,jointype,pWC,pWhere->pLeft) ) return 0; pWhere = pWhere->pRight; } if( pParse->db->flags & SQLITE_EnableQPSG ) pParse = 0; for(i=0, pTerm=pWC->a; inTerm; i++, pTerm++){ Expr *pExpr; pExpr = pTerm->pExpr; - if( (!ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable==iTab) - && (isLeft==0 || ExprHasProperty(pExpr, EP_FromJoin)) + if( (!ExprHasProperty(pExpr, EP_OuterON) || pExpr->w.iJoin==iTab) + && ((jointype & JT_OUTER)==0 || ExprHasProperty(pExpr, EP_OuterON)) && sqlite3ExprImpliesExpr(pParse, pExpr, pWhere, iTab) + && (pTerm->wtFlags & TERM_VNULL)==0 + ){ + return 1; + } + } + return 0; +} + +/* +** pIdx is an index containing expressions. Check it see if any of the +** expressions in the index match the pExpr expression. +*/ +static int exprIsCoveredByIndex( + const Expr *pExpr, + const Index *pIdx, + int iTabCur +){ + int i; + for(i=0; inColumn; i++){ + if( pIdx->aiColumn[i]==XN_EXPR + && sqlite3ExprCompare(0, pExpr, pIdx->aColExpr->a[i].pExpr, iTabCur)==0 ){ return 1; } @@ -148468,6 +162633,129 @@ static int whereUsablePartialIndex( return 0; } +/* +** Structure passed to the whereIsCoveringIndex Walker callback. +*/ +typedef struct CoveringIndexCheck CoveringIndexCheck; +struct CoveringIndexCheck { + Index *pIdx; /* The index */ + int iTabCur; /* Cursor number for the corresponding table */ + u8 bExpr; /* Uses an indexed expression */ + u8 bUnidx; /* Uses an unindexed column not within an indexed expr */ +}; + +/* +** Information passed in is pWalk->u.pCovIdxCk. Call it pCk. +** +** If the Expr node references the table with cursor pCk->iTabCur, then +** make sure that column is covered by the index pCk->pIdx. We know that +** all columns less than 63 (really BMS-1) are covered, so we don't need +** to check them. But we do need to check any column at 63 or greater. +** +** If the index does not cover the column, then set pWalk->eCode to +** non-zero and return WRC_Abort to stop the search. +** +** If this node does not disprove that the index can be a covering index, +** then just return WRC_Continue, to continue the search. +** +** If pCk->pIdx contains indexed expressions and one of those expressions +** matches pExpr, then prune the search. +*/ +static int whereIsCoveringIndexWalkCallback(Walker *pWalk, Expr *pExpr){ + int i; /* Loop counter */ + const Index *pIdx; /* The index of interest */ + const i16 *aiColumn; /* Columns contained in the index */ + u16 nColumn; /* Number of columns in the index */ + CoveringIndexCheck *pCk; /* Info about this search */ + + pCk = pWalk->u.pCovIdxCk; + pIdx = pCk->pIdx; + if( (pExpr->op==TK_COLUMN || pExpr->op==TK_AGG_COLUMN) ){ + /* if( pExpr->iColumn<(BMS-1) && pIdx->bHasExpr==0 ) return WRC_Continue;*/ + if( pExpr->iTable!=pCk->iTabCur ) return WRC_Continue; + pIdx = pWalk->u.pCovIdxCk->pIdx; + aiColumn = pIdx->aiColumn; + nColumn = pIdx->nColumn; + for(i=0; iiColumn ) return WRC_Continue; + } + pCk->bUnidx = 1; + return WRC_Abort; + }else if( pIdx->bHasExpr + && exprIsCoveredByIndex(pExpr, pIdx, pWalk->u.pCovIdxCk->iTabCur) ){ + pCk->bExpr = 1; + return WRC_Prune; + } + return WRC_Continue; +} + + +/* +** pIdx is an index that covers all of the low-number columns used by +** pWInfo->pSelect (columns from 0 through 62) or an index that has +** expressions terms. Hence, we cannot determine whether or not it is +** a covering index by using the colUsed bitmasks. We have to do a search +** to see if the index is covering. This routine does that search. +** +** The return value is one of these: +** +** 0 The index is definitely not a covering index +** +** WHERE_IDX_ONLY The index is definitely a covering index +** +** WHERE_EXPRIDX The index is likely a covering index, but it is +** difficult to determine precisely because of the +** expressions that are indexed. Score it as a +** covering index, but still keep the main table open +** just in case we need it. +** +** This routine is an optimization. It is always safe to return zero. +** But returning one of the other two values when zero should have been +** returned can lead to incorrect bytecode and assertion faults. +*/ +static SQLITE_NOINLINE u32 whereIsCoveringIndex( + WhereInfo *pWInfo, /* The WHERE clause context */ + Index *pIdx, /* Index that is being tested */ + int iTabCur /* Cursor for the table being indexed */ +){ + int i, rc; + struct CoveringIndexCheck ck; + Walker w; + if( pWInfo->pSelect==0 ){ + /* We don't have access to the full query, so we cannot check to see + ** if pIdx is covering. Assume it is not. */ + return 0; + } + if( pIdx->bHasExpr==0 ){ + for(i=0; inColumn; i++){ + if( pIdx->aiColumn[i]>=BMS-1 ) break; + } + if( i>=pIdx->nColumn ){ + /* pIdx does not index any columns greater than 62, but we know from + ** colMask that columns greater than 62 are used, so this is not a + ** covering index */ + return 0; + } + } + ck.pIdx = pIdx; + ck.iTabCur = iTabCur; + ck.bExpr = 0; + ck.bUnidx = 0; + memset(&w, 0, sizeof(w)); + w.xExprCallback = whereIsCoveringIndexWalkCallback; + w.xSelectCallback = sqlite3SelectWalkNoop; + w.u.pCovIdxCk = &ck; + sqlite3WalkSelect(&w, pWInfo->pSelect); + if( ck.bUnidx ){ + rc = 0; + }else if( ck.bExpr ){ + rc = WHERE_EXPRIDX; + }else{ + rc = WHERE_IDX_ONLY; + } + return rc; +} + /* ** Add all WhereLoop objects for a single table of the join where the table ** is identified by pBuilder->pNew->iTab. That table is guaranteed to be @@ -148506,7 +162794,7 @@ static int whereUsablePartialIndex( */ static int whereLoopAddBtree( WhereLoopBuilder *pBuilder, /* WHERE clause information */ - Bitmask mPrereq /* Extra prerequesites for using this table */ + Bitmask mPrereq /* Extra prerequisites for using this table */ ){ WhereInfo *pWInfo; /* WHERE analysis context */ Index *pProbe; /* An index we are evaluating */ @@ -148514,13 +162802,12 @@ static int whereLoopAddBtree( LogEst aiRowEstPk[2]; /* The aiRowLogEst[] value for the sPk index */ i16 aiColumnPk = -1; /* The aColumn[] value for the sPk index */ SrcList *pTabList; /* The FROM clause */ - struct SrcList_item *pSrc; /* The FROM clause btree term to add */ + SrcItem *pSrc; /* The FROM clause btree term to add */ WhereLoop *pNew; /* Template WhereLoop object */ int rc = SQLITE_OK; /* Return code */ int iSortIdx = 1; /* Index number */ int b; /* A boolean value */ LogEst rSize; /* number of rows in the table */ - LogEst rLogSize; /* Logarithm of the number of rows in the table */ WhereClause *pWC; /* The parsed WHERE clause */ Table *pTab; /* Table being queried */ @@ -148532,9 +162819,10 @@ static int whereLoopAddBtree( pWC = pBuilder->pWC; assert( !IsVirtual(pSrc->pTab) ); - if( pSrc->pIBIndex ){ + if( pSrc->fg.isIndexedBy ){ + assert( pSrc->fg.isCte==0 ); /* An INDEXED BY clause specifies a particular index to use */ - pProbe = pSrc->pIBIndex; + pProbe = pSrc->u2.pIBIndex; }else if( !HasRowid(pTab) ){ pProbe = pTab->pIndex; }else{ @@ -148550,7 +162838,7 @@ static int whereLoopAddBtree( sPk.aiRowLogEst = aiRowEstPk; sPk.onError = OE_Replace; sPk.pTable = pTab; - sPk.szIdxRow = pTab->szTabRow; + sPk.szIdxRow = 3; /* TUNING: Interior rows of IPK table are very small */ sPk.idxType = SQLITE_IDXTYPE_IPK; aiRowEstPk[0] = pTab->nRowLogEst; aiRowEstPk[1] = 0; @@ -148563,22 +162851,24 @@ static int whereLoopAddBtree( pProbe = &sPk; } rSize = pTab->nRowLogEst; - rLogSize = estLog(rSize); #ifndef SQLITE_OMIT_AUTOMATIC_INDEX /* Automatic indexes */ if( !pBuilder->pOrSet /* Not part of an OR optimization */ - && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 + && (pWInfo->wctrlFlags & (WHERE_RIGHT_JOIN|WHERE_OR_SUBCLAUSE))==0 && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 - && pSrc->pIBIndex==0 /* Has no INDEXED BY clause */ + && !pSrc->fg.isIndexedBy /* Has no INDEXED BY clause */ && !pSrc->fg.notIndexed /* Has no NOT INDEXED clause */ && HasRowid(pTab) /* Not WITHOUT ROWID table. (FIXME: Why not?) */ && !pSrc->fg.isCorrelated /* Not a correlated subquery */ && !pSrc->fg.isRecursive /* Not a recursive common table expression. */ + && (pSrc->fg.jointype & JT_RIGHT)==0 /* Not the right tab of a RIGHT JOIN */ ){ /* Generate auto-index WhereLoops */ + LogEst rLogSize; /* Logarithm of the number of rows in the table */ WhereTerm *pTerm; WhereTerm *pWCEnd = pWC->a + pWC->nTerm; + rLogSize = estLog(rSize); for(pTerm=pWC->a; rc==SQLITE_OK && pTermprereqRight & pNew->maskSelf ) continue; if( termCanDriveIndex(pTerm, pSrc, 0) ){ @@ -148596,10 +162886,11 @@ static int whereLoopAddBtree( ** those objects, since there is no opportunity to add schema ** indexes on subqueries and views. */ pNew->rSetup = rLogSize + rSize; - if( pTab->pSelect==0 && (pTab->tabFlags & TF_Ephemeral)==0 ){ + if( !IsView(pTab) && (pTab->tabFlags & TF_Ephemeral)==0 ){ pNew->rSetup += 28; }else{ - pNew->rSetup -= 10; + pNew->rSetup -= 25; /* Greatly reduced setup cost for auto indexes + ** on ephemeral materializations of views */ } ApplyCostMultiplier(pNew->rSetup, pTab->costMult); if( pNew->rSetup<0 ) pNew->rSetup = 0; @@ -148620,11 +162911,10 @@ static int whereLoopAddBtree( /* Loop over all indices. If there was an INDEXED BY clause, then only ** consider index pProbe. */ for(; rc==SQLITE_OK && pProbe; - pProbe=(pSrc->pIBIndex ? 0 : pProbe->pNext), iSortIdx++ + pProbe=(pSrc->fg.isIndexedBy ? 0 : pProbe->pNext), iSortIdx++ ){ - int isLeft = (pSrc->fg.jointype & JT_OUTER)!=0; if( pProbe->pPartIdxWhere!=0 - && !whereUsablePartialIndex(pSrc->iCursor, isLeft, pWC, + && !whereUsablePartialIndex(pSrc->iCursor, pSrc->fg.jointype, pWC, pProbe->pPartIdxWhere) ){ testcase( pNew->iTab!=pSrc->iCursor ); /* See ticket [98d973b8f5] */ @@ -148652,8 +162942,26 @@ static int whereLoopAddBtree( /* Full table scan */ pNew->iSortIdx = b ? iSortIdx : 0; - /* TUNING: Cost of full table scan is (N*3.0). */ + /* TUNING: Cost of full table scan is 3.0*N. The 3.0 factor is an + ** extra cost designed to discourage the use of full table scans, + ** since index lookups have better worst-case performance if our + ** stat guesses are wrong. Reduce the 3.0 penalty slightly + ** (to 2.75) if we have valid STAT4 information for the table. + ** At 2.75, a full table scan is preferred over using an index on + ** a column with just two distinct values where each value has about + ** an equal number of appearances. Without STAT4 data, we still want + ** to use an index in that case, since the constraint might be for + ** the scarcer of the two values, and in that case an index lookup is + ** better. + */ +#ifdef SQLITE_ENABLE_STAT4 + pNew->rRun = rSize + 16 - 2*((pTab->tabFlags & TF_HasStat4)!=0); +#else pNew->rRun = rSize + 16; +#endif + if( IsView(pTab) || (pTab->tabFlags & TF_Ephemeral)!=0 ){ + pNew->wsFlags |= WHERE_VIEWSCAN; + } ApplyCostMultiplier(pNew->rRun, pTab->costMult); whereLoopOutputAdjust(pWC, pNew, rSize); rc = whereLoopInsert(pBuilder, pNew); @@ -148662,11 +162970,38 @@ static int whereLoopAddBtree( }else{ Bitmask m; if( pProbe->isCovering ){ - pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; m = 0; + pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; }else{ m = pSrc->colUsed & pProbe->colNotIdxed; - pNew->wsFlags = (m==0) ? (WHERE_IDX_ONLY|WHERE_INDEXED) : WHERE_INDEXED; + pNew->wsFlags = WHERE_INDEXED; + if( m==TOPBIT || (pProbe->bHasExpr && !pProbe->bHasVCol && m!=0) ){ + u32 isCov = whereIsCoveringIndex(pWInfo, pProbe, pSrc->iCursor); + if( isCov==0 ){ + WHERETRACE(0x200, + ("-> %s is not a covering index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + assert( m!=0 ); + }else{ + m = 0; + pNew->wsFlags |= isCov; + if( isCov & WHERE_IDX_ONLY ){ + WHERETRACE(0x200, + ("-> %s is a covering expression index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + }else{ + assert( isCov==WHERE_EXPRIDX ); + WHERETRACE(0x200, + ("-> %s might be a covering expression index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + } + } + }else if( m==0 ){ + WHERETRACE(0x200, + ("-> %s a covering index according to bitmasks\n", + pProbe->zName, m==0 ? "is" : "is not")); + pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; + } } /* Full scan via index */ @@ -148717,7 +163052,14 @@ static int whereLoopAddBtree( } ApplyCostMultiplier(pNew->rRun, pTab->costMult); whereLoopOutputAdjust(pWC, pNew, rSize); - rc = whereLoopInsert(pBuilder, pNew); + if( (pSrc->fg.jointype & JT_RIGHT)!=0 && pProbe->aColExpr ){ + /* Do not do an SCAN of a index-on-expression in a RIGHT JOIN + ** because the cursor used to access the index might not be + ** positioned to the correct row during the right-join no-match + ** loop. */ + }else{ + rc = whereLoopInsert(pBuilder, pNew); + } pNew->nOut = rSize; if( rc ) break; } @@ -148743,6 +163085,15 @@ static int whereLoopAddBtree( #ifndef SQLITE_OMIT_VIRTUALTABLE +/* +** Return true if pTerm is a virtual table LIMIT or OFFSET term. +*/ +static int isLimitTerm(WhereTerm *pTerm){ + assert( pTerm->eOperator==WO_AUX || pTerm->eMatchOp==0 ); + return pTerm->eMatchOp>=SQLITE_INDEX_CONSTRAINT_LIMIT + && pTerm->eMatchOp<=SQLITE_INDEX_CONSTRAINT_OFFSET; +} + /* ** Argument pIdxInfo is already populated with all constraints that may ** be used by the virtual table identified by pBuilder->pNew->iTab. This @@ -148770,9 +163121,11 @@ static int whereLoopAddVirtualOne( u16 mExclude, /* Exclude terms using these operators */ sqlite3_index_info *pIdxInfo, /* Populated object for xBestIndex */ u16 mNoOmit, /* Do not omit these constraints */ - int *pbIn /* OUT: True if plan uses an IN(...) op */ + int *pbIn, /* OUT: True if plan uses an IN(...) op */ + int *pbRetryLimit /* OUT: Retry without LIMIT/OFFSET */ ){ WhereClause *pWC = pBuilder->pWC; + HiddenIndexInfo *pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; struct sqlite3_index_constraint *pIdxCons; struct sqlite3_index_constraint_usage *pUsage = pIdxInfo->aConstraintUsage; int i; @@ -148780,7 +163133,7 @@ static int whereLoopAddVirtualOne( int rc = SQLITE_OK; WhereLoop *pNew = pBuilder->pNew; Parse *pParse = pBuilder->pWInfo->pParse; - struct SrcList_item *pSrc = &pBuilder->pWInfo->pTabList->a[pNew->iTab]; + SrcItem *pSrc = &pBuilder->pWInfo->pTabList->a[pNew->iTab]; int nConstraint = pIdxInfo->nConstraint; assert( (mUsable & mPrereq)==mPrereq ); @@ -148795,6 +163148,7 @@ static int whereLoopAddVirtualOne( pIdxCons->usable = 0; if( (pTerm->prereqRight & mUsable)==pTerm->prereqRight && (pTerm->eOperator & mExclude)==0 + && (pbRetryLimit || !isLimitTerm(pTerm)) ){ pIdxCons->usable = 1; } @@ -148810,6 +163164,7 @@ static int whereLoopAddVirtualOne( pIdxInfo->estimatedRows = 25; pIdxInfo->idxFlags = 0; pIdxInfo->colUsed = (sqlite3_int64)pSrc->colUsed; + pHidden->mHandleIn = 0; /* Invoke the virtual table xBestIndex() method */ rc = vtabBestIndex(pParse, pSrc->pTab, pIdxInfo); @@ -148819,7 +163174,7 @@ static int whereLoopAddVirtualOne( ** that the particular combination of parameters provided is unusable. ** Make no entries in the loop table. */ - WHERETRACE(0xffff, (" ^^^^--- non-viable plan rejected!\n")); + WHERETRACE(0xffffffff, (" ^^^^--- non-viable plan rejected!\n")); return SQLITE_OK; } return rc; @@ -148827,8 +163182,8 @@ static int whereLoopAddVirtualOne( mxTerm = -1; assert( pNew->nLSlot>=nConstraint ); - for(i=0; iaLTerm[i] = 0; - pNew->u.vtab.omitMask = 0; + memset(pNew->aLTerm, 0, sizeof(pNew->aLTerm[0])*nConstraint ); + memset(&pNew->u.vtab, 0, sizeof(pNew->u.vtab)); pIdxCons = *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint; for(i=0; ieMatchOp==SQLITE_INDEX_CONSTRAINT_OFFSET ){ + pNew->u.vtab.bOmitOffset = 1; + } } - if( (pTerm->eOperator & WO_IN)!=0 ){ + if( SMASKBIT32(i) & pHidden->mHandleIn ){ + pNew->u.vtab.mHandleIn |= MASKBIT32(iTerm); + }else if( (pTerm->eOperator & WO_IN)!=0 ){ /* A virtual table that is constrained by an IN clause may not ** consume the ORDER BY clause because (1) the order of IN terms ** is not necessarily related to the order of output terms and @@ -148873,6 +163233,22 @@ static int whereLoopAddVirtualOne( pIdxInfo->idxFlags &= ~SQLITE_INDEX_SCAN_UNIQUE; *pbIn = 1; assert( (mExclude & WO_IN)==0 ); } + + assert( pbRetryLimit || !isLimitTerm(pTerm) ); + if( isLimitTerm(pTerm) && *pbIn ){ + /* If there is an IN(...) term handled as an == (separate call to + ** xFilter for each value on the RHS of the IN) and a LIMIT or + ** OFFSET term handled as well, the plan is unusable. Set output + ** variable *pbRetryLimit to true to tell the caller to retry with + ** LIMIT and OFFSET disabled. */ + if( pIdxInfo->needToFreeIdxStr ){ + sqlite3_free(pIdxInfo->idxStr); + pIdxInfo->idxStr = 0; + pIdxInfo->needToFreeIdxStr = 0; + } + *pbRetryLimit = 1; + return SQLITE_OK; + } } } @@ -148909,7 +163285,7 @@ static int whereLoopAddVirtualOne( sqlite3_free(pNew->u.vtab.idxStr); pNew->u.vtab.needFree = 0; } - WHERETRACE(0xffff, (" bIn=%d prereqIn=%04llx prereqOut=%04llx\n", + WHERETRACE(0xffffffff, (" bIn=%d prereqIn=%04llx prereqOut=%04llx\n", *pbIn, (sqlite3_uint64)mPrereq, (sqlite3_uint64)(pNew->prereq & ~mPrereq))); @@ -148917,11 +163293,19 @@ static int whereLoopAddVirtualOne( } /* -** If this function is invoked from within an xBestIndex() callback, it -** returns a pointer to a buffer containing the name of the collation -** sequence associated with element iCons of the sqlite3_index_info.aConstraint -** array. Or, if iCons is out of range or there is no active xBestIndex -** call, return NULL. +** Return the collating sequence for a constraint passed into xBestIndex. +** +** pIdxInfo must be an sqlite3_index_info structure passed into xBestIndex. +** This routine depends on there being a HiddenIndexInfo structure immediately +** following the sqlite3_index_info structure. +** +** Return a pointer to the collation name: +** +** 1. If there is an explicit COLLATE operator on the constraint, return it. +** +** 2. Else, if the column has an alternative collation, return that. +** +** 3. Otherwise, return "BINARY". */ SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int iCons){ HiddenIndexInfo *pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; @@ -148938,6 +163322,92 @@ SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int return zRet; } +/* +** Return true if constraint iCons is really an IN(...) constraint, or +** false otherwise. If iCons is an IN(...) constraint, set (if bHandle!=0) +** or clear (if bHandle==0) the flag to handle it using an iterator. +*/ +SQLITE_API int sqlite3_vtab_in(sqlite3_index_info *pIdxInfo, int iCons, int bHandle){ + HiddenIndexInfo *pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; + u32 m = SMASKBIT32(iCons); + if( m & pHidden->mIn ){ + if( bHandle==0 ){ + pHidden->mHandleIn &= ~m; + }else if( bHandle>0 ){ + pHidden->mHandleIn |= m; + } + return 1; + } + return 0; +} + +/* +** This interface is callable from within the xBestIndex callback only. +** +** If possible, set (*ppVal) to point to an object containing the value +** on the right-hand-side of constraint iCons. +*/ +SQLITE_API int sqlite3_vtab_rhs_value( + sqlite3_index_info *pIdxInfo, /* Copy of first argument to xBestIndex */ + int iCons, /* Constraint for which RHS is wanted */ + sqlite3_value **ppVal /* Write value extracted here */ +){ + HiddenIndexInfo *pH = (HiddenIndexInfo*)&pIdxInfo[1]; + sqlite3_value *pVal = 0; + int rc = SQLITE_OK; + if( iCons<0 || iCons>=pIdxInfo->nConstraint ){ + rc = SQLITE_MISUSE; /* EV: R-30545-25046 */ + }else{ + if( pH->aRhs[iCons]==0 ){ + WhereTerm *pTerm = &pH->pWC->a[pIdxInfo->aConstraint[iCons].iTermOffset]; + rc = sqlite3ValueFromExpr( + pH->pParse->db, pTerm->pExpr->pRight, ENC(pH->pParse->db), + SQLITE_AFF_BLOB, &pH->aRhs[iCons] + ); + testcase( rc!=SQLITE_OK ); + } + pVal = pH->aRhs[iCons]; + } + *ppVal = pVal; + + if( rc==SQLITE_OK && pVal==0 ){ /* IMP: R-19933-32160 */ + rc = SQLITE_NOTFOUND; /* IMP: R-36424-56542 */ + } + + return rc; +} + +/* +** Return true if ORDER BY clause may be handled as DISTINCT. +*/ +SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info *pIdxInfo){ + HiddenIndexInfo *pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; + assert( pHidden->eDistinct>=0 && pHidden->eDistinct<=3 ); + return pHidden->eDistinct; +} + +/* +** Cause the prepared statement that is associated with a call to +** xBestIndex to potentially use all schemas. If the statement being +** prepared is read-only, then just start read transactions on all +** schemas. But if this is a write operation, start writes on all +** schemas. +** +** This is used by the (built-in) sqlite_dbpage virtual table. +*/ +SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(Parse *pParse){ + int nDb = pParse->db->nDb; + int i; + for(i=0; iwriteMask) ){ + for(i=0; ipNew->iTab. That table is guaranteed to be a virtual table. @@ -148972,13 +163442,14 @@ static int whereLoopAddVirtual( WhereInfo *pWInfo; /* WHERE analysis context */ Parse *pParse; /* The parsing context */ WhereClause *pWC; /* The WHERE clause */ - struct SrcList_item *pSrc; /* The FROM clause term to search */ + SrcItem *pSrc; /* The FROM clause term to search */ sqlite3_index_info *p; /* Object to pass to xBestIndex() */ int nConstraint; /* Number of constraints in p */ int bIn; /* True if plan uses IN(...) operator */ WhereLoop *pNew; Bitmask mBest; /* Tables used by best possible plan */ u16 mNoOmit; + int bRetry = 0; /* True to retry with LIMIT/OFFSET disabled */ assert( (mPrereq & mUnusable)==0 ); pWInfo = pBuilder->pWInfo; @@ -148987,8 +163458,7 @@ static int whereLoopAddVirtual( pNew = pBuilder->pNew; pSrc = &pWInfo->pTabList->a[pNew->iTab]; assert( IsVirtual(pSrc->pTab) ); - p = allocateIndexInfo(pParse, pWC, mUnusable, pSrc, pBuilder->pOrderBy, - &mNoOmit); + p = allocateIndexInfo(pWInfo, pWC, mUnusable, pSrc, &mNoOmit); if( p==0 ) return SQLITE_NOMEM_BKPT; pNew->rSetup = 0; pNew->wsFlags = WHERE_VIRTUALTABLE; @@ -148996,14 +163466,22 @@ static int whereLoopAddVirtual( pNew->u.vtab.needFree = 0; nConstraint = p->nConstraint; if( whereLoopResize(pParse->db, pNew, nConstraint) ){ - sqlite3DbFree(pParse->db, p); + freeIndexInfo(pParse->db, p); return SQLITE_NOMEM_BKPT; } /* First call xBestIndex() with all constraints usable. */ WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pTab->zName)); - WHERETRACE(0x40, (" VirtualOne: all usable\n")); - rc = whereLoopAddVirtualOne(pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn); + WHERETRACE(0x800, (" VirtualOne: all usable\n")); + rc = whereLoopAddVirtualOne( + pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn, &bRetry + ); + if( bRetry ){ + assert( rc==SQLITE_OK ); + rc = whereLoopAddVirtualOne( + pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn, 0 + ); + } /* If the call to xBestIndex() with all terms enabled produced a plan ** that does not require any source tables (IOW: a plan with mBest==0) @@ -149019,9 +163497,9 @@ static int whereLoopAddVirtual( /* If the plan produced by the earlier call uses an IN(...) term, call ** xBestIndex again, this time with IN(...) terms disabled. */ if( bIn ){ - WHERETRACE(0x40, (" VirtualOne: all usable w/o IN\n")); + WHERETRACE(0x800, (" VirtualOne: all usable w/o IN\n")); rc = whereLoopAddVirtualOne( - pBuilder, mPrereq, ALLBITS, WO_IN, p, mNoOmit, &bIn); + pBuilder, mPrereq, ALLBITS, WO_IN, p, mNoOmit, &bIn, 0); assert( bIn==0 ); mBestNoIn = pNew->prereq & ~mPrereq; if( mBestNoIn==0 ){ @@ -149045,10 +163523,10 @@ static int whereLoopAddVirtual( mPrev = mNext; if( mNext==ALLBITS ) break; if( mNext==mBest || mNext==mBestNoIn ) continue; - WHERETRACE(0x40, (" VirtualOne: mPrev=%04llx mNext=%04llx\n", + WHERETRACE(0x800, (" VirtualOne: mPrev=%04llx mNext=%04llx\n", (sqlite3_uint64)mPrev, (sqlite3_uint64)mNext)); rc = whereLoopAddVirtualOne( - pBuilder, mPrereq, mNext|mPrereq, 0, p, mNoOmit, &bIn); + pBuilder, mPrereq, mNext|mPrereq, 0, p, mNoOmit, &bIn, 0); if( pNew->prereq==mPrereq ){ seenZero = 1; if( bIn==0 ) seenZeroNoIN = 1; @@ -149059,9 +163537,9 @@ static int whereLoopAddVirtual( ** that requires no source tables at all (i.e. one guaranteed to be ** usable), make a call here with all source tables disabled */ if( rc==SQLITE_OK && seenZero==0 ){ - WHERETRACE(0x40, (" VirtualOne: all disabled\n")); + WHERETRACE(0x800, (" VirtualOne: all disabled\n")); rc = whereLoopAddVirtualOne( - pBuilder, mPrereq, mPrereq, 0, p, mNoOmit, &bIn); + pBuilder, mPrereq, mPrereq, 0, p, mNoOmit, &bIn, 0); if( bIn==0 ) seenZeroNoIN = 1; } @@ -149069,14 +163547,14 @@ static int whereLoopAddVirtual( ** that requires no source tables at all and does not use an IN(...) ** operator, make a final call to obtain one here. */ if( rc==SQLITE_OK && seenZeroNoIN==0 ){ - WHERETRACE(0x40, (" VirtualOne: all disabled and w/o IN\n")); + WHERETRACE(0x800, (" VirtualOne: all disabled and w/o IN\n")); rc = whereLoopAddVirtualOne( - pBuilder, mPrereq, mPrereq, WO_IN, p, mNoOmit, &bIn); + pBuilder, mPrereq, mPrereq, WO_IN, p, mNoOmit, &bIn, 0); } } if( p->needToFreeIdxStr ) sqlite3_free(p->idxStr); - sqlite3DbFreeNN(pParse->db, p); + freeIndexInfo(pParse->db, p); WHERETRACE(0x800, ("END %s.addVirtual(), rc=%d\n", pSrc->pTab->zName, rc)); return rc; } @@ -149100,7 +163578,7 @@ static int whereLoopAddOr( WhereClause tempWC; WhereLoopBuilder sSubBuild; WhereOrSet sSum, sCur; - struct SrcList_item *pItem; + SrcItem *pItem; pWC = pBuilder->pWC; pWCEnd = pWC->a + pWC->nTerm; @@ -149109,6 +163587,9 @@ static int whereLoopAddOr( pItem = pWInfo->pTabList->a + pNew->iTab; iCur = pItem->iCursor; + /* The multi-index OR optimization does not work for RIGHT and FULL JOIN */ + if( pItem->fg.jointype & JT_RIGHT ) return SQLITE_OK; + for(pTerm=pWC->a; pTermeOperator & WO_OR)!=0 && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 @@ -149120,10 +163601,9 @@ static int whereLoopAddOr( int i, j; sSubBuild = *pBuilder; - sSubBuild.pOrderBy = 0; sSubBuild.pOrSet = &sCur; - WHERETRACE(0x200, ("Begin processing OR-clause %p\n", pTerm)); + WHERETRACE(0x400, ("Begin processing OR-clause %p\n", pTerm)); for(pOrTerm=pOrWC->a; pOrTermeOperator & WO_AND)!=0 ){ sSubBuild.pWC = &pOrTerm->u.pAndInfo->wc; @@ -149132,6 +163612,7 @@ static int whereLoopAddOr( tempWC.pOuter = pWC; tempWC.op = TK_AND; tempWC.nTerm = 1; + tempWC.nBase = 1; tempWC.a = pOrTerm; sSubBuild.pWC = &tempWC; }else{ @@ -149139,9 +163620,9 @@ static int whereLoopAddOr( } sCur.n = 0; #ifdef WHERETRACE_ENABLED - WHERETRACE(0x200, ("OR-term %d of %p has %d subterms:\n", + WHERETRACE(0x400, ("OR-term %d of %p has %d subterms:\n", (int)(pOrTerm-pOrWC->a), pTerm, sSubBuild.pWC->nTerm)); - if( sqlite3WhereTrace & 0x400 ){ + if( sqlite3WhereTrace & 0x20000 ){ sqlite3WhereClausePrint(sSubBuild.pWC); } #endif @@ -149156,7 +163637,7 @@ static int whereLoopAddOr( if( rc==SQLITE_OK ){ rc = whereLoopAddOr(&sSubBuild, mPrereq, mUnusable); } - assert( rc==SQLITE_OK || rc==SQLITE_DONE || sCur.n==0 ); + testcase( rc==SQLITE_NOMEM && sCur.n>0 ); testcase( rc==SQLITE_DONE ); if( sCur.n==0 ){ sSum.n = 0; @@ -149201,7 +163682,7 @@ static int whereLoopAddOr( pNew->prereq = sSum.a[i].prereq; rc = whereLoopInsert(pBuilder, pNew); } - WHERETRACE(0x200, ("End processing OR-clause %p\n", pTerm)); + WHERETRACE(0x400, ("End processing OR-clause %p\n", pTerm)); } } return rc; @@ -149216,33 +163697,54 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ Bitmask mPrior = 0; int iTab; SrcList *pTabList = pWInfo->pTabList; - struct SrcList_item *pItem; - struct SrcList_item *pEnd = &pTabList->a[pWInfo->nLevel]; + SrcItem *pItem; + SrcItem *pEnd = &pTabList->a[pWInfo->nLevel]; sqlite3 *db = pWInfo->pParse->db; int rc = SQLITE_OK; + int bFirstPastRJ = 0; + int hasRightJoin = 0; WhereLoop *pNew; + /* Loop over the tables in the join, from left to right */ pNew = pBuilder->pNew; - whereLoopInit(pNew); + + /* Verify that pNew has already been initialized */ + assert( pNew->nLTerm==0 ); + assert( pNew->wsFlags==0 ); + assert( pNew->nLSlot>=ArraySize(pNew->aLTermSpace) ); + assert( pNew->aLTerm!=0 ); + pBuilder->iPlanLimit = SQLITE_QUERY_PLANNER_LIMIT; for(iTab=0, pItem=pTabList->a; pItemiTab = iTab; pBuilder->iPlanLimit += SQLITE_QUERY_PLANNER_LIMIT_INCR; pNew->maskSelf = sqlite3WhereGetMask(&pWInfo->sMaskSet, pItem->iCursor); - if( (pItem->fg.jointype & (JT_LEFT|JT_CROSS))!=0 ){ - /* This condition is true when pItem is the FROM clause term on the - ** right-hand-side of a LEFT or CROSS JOIN. */ - mPrereq = mPrior; - }else{ + if( bFirstPastRJ + || (pItem->fg.jointype & (JT_OUTER|JT_CROSS|JT_LTORJ))!=0 + ){ + /* Add prerequisites to prevent reordering of FROM clause terms + ** across CROSS joins and outer joins. The bFirstPastRJ boolean + ** prevents the right operand of a RIGHT JOIN from being swapped with + ** other elements even further to the right. + ** + ** The JT_LTORJ case and the hasRightJoin flag work together to + ** prevent FROM-clause terms from moving from the right side of + ** a LEFT JOIN over to the left side of that join if the LEFT JOIN + ** is itself on the left side of a RIGHT JOIN. + */ + if( pItem->fg.jointype & JT_LTORJ ) hasRightJoin = 1; + mPrereq |= mPrior; + bFirstPastRJ = (pItem->fg.jointype & JT_RIGHT)!=0; + }else if( !hasRightJoin ){ mPrereq = 0; } #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pItem->pTab) ){ - struct SrcList_item *p; + SrcItem *p; for(p=&pItem[1]; pfg.jointype & (JT_LEFT|JT_CROSS)) ){ + if( mUnusable || (p->fg.jointype & (JT_OUTER|JT_CROSS)) ){ mUnusable |= sqlite3WhereGetMask(&pWInfo->sMaskSet, p->iCursor); } } @@ -149367,7 +163869,9 @@ static i8 wherePathSatisfiesOrderBy( pLoop = pLast; } if( pLoop->wsFlags & WHERE_VIRTUALTABLE ){ - if( pLoop->u.vtab.isOrdered && (wctrlFlags & WHERE_DISTINCTBY)==0 ){ + if( pLoop->u.vtab.isOrdered + && ((wctrlFlags&(WHERE_DISTINCTBY|WHERE_SORTBYGROUP))!=WHERE_DISTINCTBY) + ){ obSat = obDone; } break; @@ -149384,7 +163888,8 @@ static i8 wherePathSatisfiesOrderBy( for(i=0; ia[i].pExpr); - if( pOBExpr->op!=TK_COLUMN ) continue; + if( NEVER(pOBExpr==0) ) continue; + if( pOBExpr->op!=TK_COLUMN && pOBExpr->op!=TK_AGG_COLUMN ) continue; if( pOBExpr->iTable!=iCur ) continue; pTerm = sqlite3WhereFindTerm(&pWInfo->sWC, iCur, pOBExpr->iColumn, ~ready, eqOpMask, 0); @@ -149424,6 +163929,10 @@ static i8 wherePathSatisfiesOrderBy( assert( nColumn==nKeyCol+1 || !HasRowid(pIndex->pTable) ); assert( pIndex->aiColumn[nColumn-1]==XN_ROWID || !HasRowid(pIndex->pTable)); + /* All relevant terms of the index must also be non-NULL in order + ** for isOrderDistinct to be true. So the isOrderDistint value + ** computed here might be a false positive. Corrections will be + ** made at tag-20210426-1 below */ isOrderDistinct = IsUniqueIndex(pIndex) && (pLoop->wsFlags & WHERE_SKIPSCAN)==0; } @@ -149491,14 +164000,18 @@ static i8 wherePathSatisfiesOrderBy( } /* An unconstrained column that might be NULL means that this - ** WhereLoop is not well-ordered + ** WhereLoop is not well-ordered. tag-20210426-1 */ - if( isOrderDistinct - && iColumn>=0 - && j>=pLoop->u.btree.nEq - && pIndex->pTable->aCol[iColumn].notNull==0 - ){ - isOrderDistinct = 0; + if( isOrderDistinct ){ + if( iColumn>=0 + && j>=pLoop->u.btree.nEq + && pIndex->pTable->aCol[iColumn].notNull==0 + ){ + isOrderDistinct = 0; + } + if( iColumn==XN_EXPR ){ + isOrderDistinct = 0; + } } /* Find the ORDER BY term that corresponds to the j-th column @@ -149510,14 +164023,15 @@ static i8 wherePathSatisfiesOrderBy( pOBExpr = sqlite3ExprSkipCollateAndLikely(pOrderBy->a[i].pExpr); testcase( wctrlFlags & WHERE_GROUPBY ); testcase( wctrlFlags & WHERE_DISTINCTBY ); + if( NEVER(pOBExpr==0) ) continue; if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0; if( iColumn>=XN_ROWID ){ - if( pOBExpr->op!=TK_COLUMN ) continue; + if( pOBExpr->op!=TK_COLUMN && pOBExpr->op!=TK_AGG_COLUMN ) continue; if( pOBExpr->iTable!=iCur ) continue; if( pOBExpr->iColumn!=iColumn ) continue; }else{ - Expr *pIdxExpr = pIndex->aColExpr->a[j].pExpr; - if( sqlite3ExprCompareSkip(pOBExpr, pIdxExpr, iCur) ){ + Expr *pIxExpr = pIndex->aColExpr->a[j].pExpr; + if( sqlite3ExprCompareSkip(pOBExpr, pIxExpr, iCur) ){ continue; } } @@ -149535,16 +164049,18 @@ static i8 wherePathSatisfiesOrderBy( /* Make sure the sort order is compatible in an ORDER BY clause. ** Sort order is irrelevant for a GROUP BY clause. */ if( revSet ){ - if( (rev ^ revIdx)!=(pOrderBy->a[i].sortFlags&KEYINFO_ORDER_DESC) ){ + if( (rev ^ revIdx) + != (pOrderBy->a[i].fg.sortFlags&KEYINFO_ORDER_DESC) + ){ isMatch = 0; } }else{ - rev = revIdx ^ (pOrderBy->a[i].sortFlags & KEYINFO_ORDER_DESC); + rev = revIdx ^ (pOrderBy->a[i].fg.sortFlags & KEYINFO_ORDER_DESC); if( rev ) *pRevMask |= MASKBIT(iLoop); revSet = 1; } } - if( isMatch && (pOrderBy->a[i].sortFlags & KEYINFO_ORDER_BIGNULL) ){ + if( isMatch && (pOrderBy->a[i].fg.sortFlags & KEYINFO_ORDER_BIGNULL) ){ if( j==pLoop->u.btree.nEq ){ pLoop->wsFlags |= WHERE_BIGNULL_SORT; }else{ @@ -149591,7 +164107,7 @@ static i8 wherePathSatisfiesOrderBy( if( obSat==obDone ) return (i8)nOrderBy; if( !isOrderDistinct ){ for(i=nOrderBy-1; i>0; i--){ - Bitmask m = MASKBIT(i) - 1; + Bitmask m = ALWAYS(iwctrlFlags & WHERE_GROUPBY ); + assert( pWInfo->wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY) ); assert( pWInfo->wctrlFlags & WHERE_SORTBYGROUP ); return pWInfo->sorted; } @@ -149647,33 +164163,60 @@ static const char *wherePathName(WherePath *pPath, int nLoop, WhereLoop *pLast){ ** order. */ static LogEst whereSortingCost( - WhereInfo *pWInfo, - LogEst nRow, - int nOrderBy, - int nSorted + WhereInfo *pWInfo, /* Query planning context */ + LogEst nRow, /* Estimated number of rows to sort */ + int nOrderBy, /* Number of ORDER BY clause terms */ + int nSorted /* Number of initial ORDER BY terms naturally in order */ ){ - /* TUNING: Estimated cost of a full external sort, where N is + /* Estimated cost of a full external sort, where N is ** the number of rows to sort is: ** - ** cost = (3.0 * N * log(N)). + ** cost = (K * N * log(N)). ** ** Or, if the order-by clause has X terms but only the last Y ** terms are out of order, then block-sorting will reduce the ** sorting cost to: ** - ** cost = (3.0 * N * log(N)) * (Y/X) + ** cost = (K * N * log(N)) * (Y/X) + ** + ** The constant K is at least 2.0 but will be larger if there are a + ** large number of columns to be sorted, as the sorting time is + ** proportional to the amount of content to be sorted. The algorithm + ** does not currently distinguish between fat columns (BLOBs and TEXTs) + ** and skinny columns (INTs). It just uses the number of columns as + ** an approximation for the row width. ** - ** The (Y/X) term is implemented using stack variable rScale - ** below. */ - LogEst rScale, rSortCost; - assert( nOrderBy>0 && 66==sqlite3LogEst(100) ); - rScale = sqlite3LogEst((nOrderBy-nSorted)*100/nOrderBy) - 66; - rSortCost = nRow + rScale + 16; + ** And extra factor of 2.0 or 3.0 is added to the sorting cost if the sort + ** is built using OP_IdxInsert and OP_Sort rather than with OP_SorterInsert. + */ + LogEst rSortCost, nCol; + assert( pWInfo->pSelect!=0 ); + assert( pWInfo->pSelect->pEList!=0 ); + /* TUNING: sorting cost proportional to the number of output columns: */ + nCol = sqlite3LogEst((pWInfo->pSelect->pEList->nExpr+59)/30); + rSortCost = nRow + nCol; + if( nSorted>0 ){ + /* Scale the result by (Y/X) */ + rSortCost += sqlite3LogEst((nOrderBy-nSorted)*100/nOrderBy) - 66; + } /* Multiple by log(M) where M is the number of output rows. - ** Use the LIMIT for M if it is smaller */ - if( (pWInfo->wctrlFlags & WHERE_USE_LIMIT)!=0 && pWInfo->iLimitiLimit; + ** Use the LIMIT for M if it is smaller. Or if this sort is for + ** a DISTINCT operator, M will be the number of distinct output + ** rows, so fudge it downwards a bit. + */ + if( (pWInfo->wctrlFlags & WHERE_USE_LIMIT)!=0 ){ + rSortCost += 10; /* TUNING: Extra 2.0x if using LIMIT */ + if( nSorted!=0 ){ + rSortCost += 6; /* TUNING: Extra 1.5x if also using partial sort */ + } + if( pWInfo->iLimitiLimit; + } + }else if( (pWInfo->wctrlFlags & WHERE_WANT_DISTINCT) ){ + /* TUNING: In the sort for a DISTINCT operator, assume that the DISTINCT + ** reduces the number of output rows by a factor of 2 */ + if( nRow>10 ){ nRow -= 10; assert( 10==sqlite3LogEst(2) ); } } rSortCost += estLog(nRow); return rSortCost; @@ -149695,7 +164238,6 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ int mxChoice; /* Maximum number of simultaneous paths tracked */ int nLoop; /* Number of terms in the join */ Parse *pParse; /* Parsing context */ - sqlite3 *db; /* The database connection */ int iLoop; /* Loop counter over the terms of the join */ int ii, jj; /* Loop counters */ int mxI = 0; /* Index of next entry to replace */ @@ -149714,14 +164256,14 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ int nSpace; /* Bytes of space allocated at pSpace */ pParse = pWInfo->pParse; - db = pParse->db; nLoop = pWInfo->nLevel; /* TUNING: For simple queries, only the best path is tracked. ** For 2-way joins, the 5 best paths are followed. ** For joins of 3 or more tables, track the 10 best paths */ mxChoice = (nLoop<=1) ? 1 : (nLoop==2 ? 5 : 10); assert( nLoop<=pWInfo->pTabList->nSrc ); - WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d)\n", nRowEst)); + WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d, nQueryLoop=%d)\n", + nRowEst, pParse->nQueryLoop)); /* If nRowEst is zero and there is an ORDER BY clause, ignore it. In this ** case the purpose of this call is to estimate the number of rows returned @@ -149737,7 +164279,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ /* Allocate and initialize space for aTo, aFrom and aSortCost[] */ nSpace = (sizeof(WherePath)+sizeof(WhereLoop*)*nLoop)*mxChoice*2; nSpace += sizeof(LogEst) * nOrderBy; - pSpace = sqlite3DbMallocRawNN(db, nSpace); + pSpace = sqlite3StackAllocRawNN(pParse->db, nSpace); if( pSpace==0 ) return SQLITE_NOMEM_BKPT; aTo = (WherePath*)pSpace; aFrom = aTo+mxChoice; @@ -149787,9 +164329,9 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ LogEst nOut; /* Rows visited by (pFrom+pWLoop) */ LogEst rCost; /* Cost of path (pFrom+pWLoop) */ LogEst rUnsorted; /* Unsorted cost of (pFrom+pWLoop) */ - i8 isOrdered = pFrom->isOrdered; /* isOrdered for (pFrom+pWLoop) */ + i8 isOrdered; /* isOrdered for (pFrom+pWLoop) */ Bitmask maskNew; /* Mask of src visited by (..) */ - Bitmask revMask = 0; /* Mask of rev-order loops for (..) */ + Bitmask revMask; /* Mask of rev-order loops for (..) */ if( (pWLoop->prereq & ~pFrom->maskLoop)!=0 ) continue; if( (pWLoop->maskSelf & pFrom->maskLoop)!=0 ) continue; @@ -149808,7 +164350,9 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ rUnsorted = sqlite3LogEstAdd(rUnsorted, pFrom->rUnsorted); nOut = pFrom->nRow + pWLoop->nOut; maskNew = pFrom->maskLoop | pWLoop->maskSelf; + isOrdered = pFrom->isOrdered; if( isOrdered<0 ){ + revMask = 0; isOrdered = wherePathSatisfiesOrderBy(pWInfo, pWInfo->pOrderBy, pFrom, pWInfo->wctrlFlags, iLoop, pWLoop, &revMask); @@ -149821,11 +164365,11 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ pWInfo, nRowEst, nOrderBy, isOrdered ); } - /* TUNING: Add a small extra penalty (5) to sorting as an - ** extra encouragment to the query planner to select a plan + /* TUNING: Add a small extra penalty (3) to sorting as an + ** extra encouragement to the query planner to select a plan ** where the rows emerge in the correct order without any sorting ** required. */ - rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 5; + rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 3; WHERETRACE(0x002, ("---- sort cost=%-3d (%d/%d) increases cost %3d to %-3d\n", @@ -149836,6 +164380,14 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ rUnsorted -= 2; /* TUNING: Slight bias in favor of no-sort plans */ } + /* TUNING: A full-scan of a VIEW or subquery in the outer loop + ** is not so bad. */ + if( iLoop==0 && (pWLoop->wsFlags & WHERE_VIEWSCAN)!=0 && nLoop>1 ){ + rCost += -10; + nOut += -30; + WHERETRACE(0x80,("VIEWSCAN cost reduction for %c\n",pWLoop->cId)); + } + /* Check to see if pWLoop should be added to the set of ** mxChoice best-so-far paths. ** @@ -149986,7 +164538,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ if( nFrom==0 ){ sqlite3ErrorMsg(pParse, "no query solution"); - sqlite3DbFreeNN(db, pSpace); + sqlite3StackFreeNN(pParse->db, pSpace); return SQLITE_ERROR; } @@ -150017,12 +164569,16 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ } pWInfo->bOrderedInnerLoop = 0; if( pWInfo->pOrderBy ){ + pWInfo->nOBSat = pFrom->isOrdered; if( pWInfo->wctrlFlags & WHERE_DISTINCTBY ){ if( pFrom->isOrdered==pWInfo->pOrderBy->nExpr ){ pWInfo->eDistinct = WHERE_DISTINCT_ORDERED; } + if( pWInfo->pSelect->pOrderBy + && pWInfo->nOBSat > pWInfo->pSelect->pOrderBy->nExpr ){ + pWInfo->nOBSat = pWInfo->pSelect->pOrderBy->nExpr; + } }else{ - pWInfo->nOBSat = pFrom->isOrdered; pWInfo->revMask = pFrom->revLoop; if( pWInfo->nOBSat<=0 ){ pWInfo->nOBSat = 0; @@ -150068,7 +164624,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ pWInfo->nRowOut = pFrom->nRow; /* Free temporary memory and return success */ - sqlite3DbFreeNN(db, pSpace); + sqlite3StackFreeNN(pParse->db, pSpace); return SQLITE_OK; } @@ -150085,7 +164641,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ */ static int whereShortCut(WhereLoopBuilder *pBuilder){ WhereInfo *pWInfo; - struct SrcList_item *pItem; + SrcItem *pItem; WhereClause *pWC; WhereTerm *pTerm; WhereLoop *pLoop; @@ -150093,6 +164649,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ int j; Table *pTab; Index *pIdx; + WhereScan scan; pWInfo = pBuilder->pWInfo; if( pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE ) return 0; @@ -150100,13 +164657,18 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ pItem = pWInfo->pTabList->a; pTab = pItem->pTab; if( IsVirtual(pTab) ) return 0; - if( pItem->fg.isIndexedBy ) return 0; + if( pItem->fg.isIndexedBy || pItem->fg.notIndexed ){ + testcase( pItem->fg.isIndexedBy ); + testcase( pItem->fg.notIndexed ); + return 0; + } iCur = pItem->iCursor; pWC = &pWInfo->sWC; pLoop = pBuilder->pNew; pLoop->wsFlags = 0; pLoop->nSkip = 0; - pTerm = sqlite3WhereFindTerm(pWC, iCur, -1, 0, WO_EQ|WO_IS, 0); + pTerm = whereScanInit(&scan, pWC, iCur, -1, WO_EQ|WO_IS, 0); + while( pTerm && pTerm->prereqRight ) pTerm = whereScanNext(&scan); if( pTerm ){ testcase( pTerm->eOperator & WO_IS ); pLoop->wsFlags = WHERE_COLUMN_EQ|WHERE_IPK|WHERE_ONEROW; @@ -150125,7 +164687,8 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ ) continue; opMask = pIdx->uniqNotNull ? (WO_EQ|WO_IS) : WO_EQ; for(j=0; jnKeyCol; j++){ - pTerm = sqlite3WhereFindTerm(pWC, iCur, j, 0, opMask, pIdx); + pTerm = whereScanInit(&scan, pWC, iCur, j, opMask, pIdx); + while( pTerm && pTerm->prereqRight ) pTerm = whereScanNext(&scan); if( pTerm==0 ) break; testcase( pTerm->eOperator & WO_IS ); pLoop->aLTerm[j] = pTerm; @@ -150154,8 +164717,14 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ if( pWInfo->wctrlFlags & WHERE_WANT_DISTINCT ){ pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE; } + if( scan.iEquiv>1 ) pLoop->wsFlags |= WHERE_TRANSCONS; #ifdef SQLITE_DEBUG pLoop->cId = '0'; +#endif +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x02 ){ + sqlite3DebugPrintf("whereShortCut() used to compute solution\n"); + } #endif return 1; } @@ -150210,6 +164779,266 @@ static void showAllWhereLoops(WhereInfo *pWInfo, WhereClause *pWC){ # define WHERETRACE_ALL_LOOPS(W,C) #endif +/* Attempt to omit tables from a join that do not affect the result. +** For a table to not affect the result, the following must be true: +** +** 1) The query must not be an aggregate. +** 2) The table must be the RHS of a LEFT JOIN. +** 3) Either the query must be DISTINCT, or else the ON or USING clause +** must contain a constraint that limits the scan of the table to +** at most a single row. +** 4) The table must not be referenced by any part of the query apart +** from its own USING or ON clause. +** 5) The table must not have an inner-join ON or USING clause if there is +** a RIGHT JOIN anywhere in the query. Otherwise the ON/USING clause +** might move from the right side to the left side of the RIGHT JOIN. +** Note: Due to (2), this condition can only arise if the table is +** the right-most table of a subquery that was flattened into the +** main query and that subquery was the right-hand operand of an +** inner join that held an ON or USING clause. +** +** For example, given: +** +** CREATE TABLE t1(ipk INTEGER PRIMARY KEY, v1); +** CREATE TABLE t2(ipk INTEGER PRIMARY KEY, v2); +** CREATE TABLE t3(ipk INTEGER PRIMARY KEY, v3); +** +** then table t2 can be omitted from the following: +** +** SELECT v1, v3 FROM t1 +** LEFT JOIN t2 ON (t1.ipk=t2.ipk) +** LEFT JOIN t3 ON (t1.ipk=t3.ipk) +** +** or from: +** +** SELECT DISTINCT v1, v3 FROM t1 +** LEFT JOIN t2 +** LEFT JOIN t3 ON (t1.ipk=t3.ipk) +*/ +static SQLITE_NOINLINE Bitmask whereOmitNoopJoin( + WhereInfo *pWInfo, + Bitmask notReady +){ + int i; + Bitmask tabUsed; + int hasRightJoin; + + /* Preconditions checked by the caller */ + assert( pWInfo->nLevel>=2 ); + assert( OptimizationEnabled(pWInfo->pParse->db, SQLITE_OmitNoopJoin) ); + + /* These two preconditions checked by the caller combine to guarantee + ** condition (1) of the header comment */ + assert( pWInfo->pResultSet!=0 ); + assert( 0==(pWInfo->wctrlFlags & WHERE_AGG_DISTINCT) ); + + tabUsed = sqlite3WhereExprListUsage(&pWInfo->sMaskSet, pWInfo->pResultSet); + if( pWInfo->pOrderBy ){ + tabUsed |= sqlite3WhereExprListUsage(&pWInfo->sMaskSet, pWInfo->pOrderBy); + } + hasRightJoin = (pWInfo->pTabList->a[0].fg.jointype & JT_LTORJ)!=0; + for(i=pWInfo->nLevel-1; i>=1; i--){ + WhereTerm *pTerm, *pEnd; + SrcItem *pItem; + WhereLoop *pLoop; + pLoop = pWInfo->a[i].pWLoop; + pItem = &pWInfo->pTabList->a[pLoop->iTab]; + if( (pItem->fg.jointype & (JT_LEFT|JT_RIGHT))!=JT_LEFT ) continue; + if( (pWInfo->wctrlFlags & WHERE_WANT_DISTINCT)==0 + && (pLoop->wsFlags & WHERE_ONEROW)==0 + ){ + continue; + } + if( (tabUsed & pLoop->maskSelf)!=0 ) continue; + pEnd = pWInfo->sWC.a + pWInfo->sWC.nTerm; + for(pTerm=pWInfo->sWC.a; pTermprereqAll & pLoop->maskSelf)!=0 ){ + if( !ExprHasProperty(pTerm->pExpr, EP_OuterON) + || pTerm->pExpr->w.iJoin!=pItem->iCursor + ){ + break; + } + } + if( hasRightJoin + && ExprHasProperty(pTerm->pExpr, EP_InnerON) + && pTerm->pExpr->w.iJoin==pItem->iCursor + ){ + break; /* restriction (5) */ + } + } + if( pTerm drop loop %c not used\n", pLoop->cId)); + notReady &= ~pLoop->maskSelf; + for(pTerm=pWInfo->sWC.a; pTermprereqAll & pLoop->maskSelf)!=0 ){ + pTerm->wtFlags |= TERM_CODED; + } + } + if( i!=pWInfo->nLevel-1 ){ + int nByte = (pWInfo->nLevel-1-i) * sizeof(WhereLevel); + memmove(&pWInfo->a[i], &pWInfo->a[i+1], nByte); + } + pWInfo->nLevel--; + assert( pWInfo->nLevel>0 ); + } + return notReady; +} + +/* +** Check to see if there are any SEARCH loops that might benefit from +** using a Bloom filter. Consider a Bloom filter if: +** +** (1) The SEARCH happens more than N times where N is the number +** of rows in the table that is being considered for the Bloom +** filter. +** (2) Some searches are expected to find zero rows. (This is determined +** by the WHERE_SELFCULL flag on the term.) +** (3) Bloom-filter processing is not disabled. (Checked by the +** caller.) +** (4) The size of the table being searched is known by ANALYZE. +** +** This block of code merely checks to see if a Bloom filter would be +** appropriate, and if so sets the WHERE_BLOOMFILTER flag on the +** WhereLoop. The implementation of the Bloom filter comes further +** down where the code for each WhereLoop is generated. +*/ +static SQLITE_NOINLINE void whereCheckIfBloomFilterIsUseful( + const WhereInfo *pWInfo +){ + int i; + LogEst nSearch = 0; + + assert( pWInfo->nLevel>=2 ); + assert( OptimizationEnabled(pWInfo->pParse->db, SQLITE_BloomFilter) ); + for(i=0; inLevel; i++){ + WhereLoop *pLoop = pWInfo->a[i].pWLoop; + const unsigned int reqFlags = (WHERE_SELFCULL|WHERE_COLUMN_EQ); + SrcItem *pItem = &pWInfo->pTabList->a[pLoop->iTab]; + Table *pTab = pItem->pTab; + if( (pTab->tabFlags & TF_HasStat1)==0 ) break; + pTab->tabFlags |= TF_StatsUsed; + if( i>=1 + && (pLoop->wsFlags & reqFlags)==reqFlags + /* vvvvvv--- Always the case if WHERE_COLUMN_EQ is defined */ + && ALWAYS((pLoop->wsFlags & (WHERE_IPK|WHERE_INDEXED))!=0) + ){ + if( nSearch > pTab->nRowLogEst ){ + testcase( pItem->fg.jointype & JT_LEFT ); + pLoop->wsFlags |= WHERE_BLOOMFILTER; + pLoop->wsFlags &= ~WHERE_IDX_ONLY; + WHERETRACE(0xffffffff, ( + "-> use Bloom-filter on loop %c because there are ~%.1e " + "lookups into %s which has only ~%.1e rows\n", + pLoop->cId, (double)sqlite3LogEstToInt(nSearch), pTab->zName, + (double)sqlite3LogEstToInt(pTab->nRowLogEst))); + } + } + nSearch += pLoop->nOut; + } +} + +/* +** This is an sqlite3ParserAddCleanup() callback that is invoked to +** free the Parse->pIdxEpr list when the Parse object is destroyed. +*/ +static void whereIndexedExprCleanup(sqlite3 *db, void *pObject){ + Parse *pParse = (Parse*)pObject; + while( pParse->pIdxEpr!=0 ){ + IndexedExpr *p = pParse->pIdxEpr; + pParse->pIdxEpr = p->pIENext; + sqlite3ExprDelete(db, p->pExpr); + sqlite3DbFreeNN(db, p); + } +} + +/* +** The index pIdx is used by a query and contains one or more expressions. +** In other words pIdx is an index on an expression. iIdxCur is the cursor +** number for the index and iDataCur is the cursor number for the corresponding +** table. +** +** This routine adds IndexedExpr entries to the Parse->pIdxEpr field for +** each of the expressions in the index so that the expression code generator +** will know to replace occurrences of the indexed expression with +** references to the corresponding column of the index. +*/ +static SQLITE_NOINLINE void whereAddIndexedExpr( + Parse *pParse, /* Add IndexedExpr entries to pParse->pIdxEpr */ + Index *pIdx, /* The index-on-expression that contains the expressions */ + int iIdxCur, /* Cursor number for pIdx */ + SrcItem *pTabItem /* The FROM clause entry for the table */ +){ + int i; + IndexedExpr *p; + Table *pTab; + assert( pIdx->bHasExpr ); + pTab = pIdx->pTable; + for(i=0; inColumn; i++){ + Expr *pExpr; + int j = pIdx->aiColumn[i]; + int bMaybeNullRow; + if( j==XN_EXPR ){ + pExpr = pIdx->aColExpr->a[i].pExpr; + testcase( pTabItem->fg.jointype & JT_LEFT ); + testcase( pTabItem->fg.jointype & JT_RIGHT ); + testcase( pTabItem->fg.jointype & JT_LTORJ ); + bMaybeNullRow = (pTabItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0; + }else if( j>=0 && (pTab->aCol[j].colFlags & COLFLAG_VIRTUAL)!=0 ){ + pExpr = sqlite3ColumnExpr(pTab, &pTab->aCol[j]); + bMaybeNullRow = 0; + }else{ + continue; + } + if( sqlite3ExprIsConstant(pExpr) ) continue; + p = sqlite3DbMallocRaw(pParse->db, sizeof(IndexedExpr)); + if( p==0 ) break; + p->pIENext = pParse->pIdxEpr; +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x200 ){ + sqlite3DebugPrintf("New pParse->pIdxEpr term {%d,%d}\n", iIdxCur, i); + if( sqlite3WhereTrace & 0x5000 ) sqlite3ShowExpr(pExpr); + } +#endif + p->pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); + p->iDataCur = pTabItem->iCursor; + p->iIdxCur = iIdxCur; + p->iIdxCol = i; + p->bMaybeNullRow = bMaybeNullRow; + if( sqlite3IndexAffinityStr(pParse->db, pIdx) ){ + p->aff = pIdx->zColAff[i]; + } +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + p->zIdxName = pIdx->zName; +#endif + pParse->pIdxEpr = p; + if( p->pIENext==0 ){ + sqlite3ParserAddCleanup(pParse, whereIndexedExprCleanup, pParse); + } + } +} + +/* +** Set the reverse-scan order mask to one for all tables in the query +** with the exception of MATERIALIZED common table expressions that have +** their own internal ORDER BY clauses. +** +** This implements the PRAGMA reverse_unordered_selects=ON setting. +** (Also SQLITE_DBCONFIG_REVERSE_SCANORDER). +*/ +static SQLITE_NOINLINE void whereReverseScanOrder(WhereInfo *pWInfo){ + int ii; + for(ii=0; iipTabList->nSrc; ii++){ + SrcItem *pItem = &pWInfo->pTabList->a[ii]; + if( !pItem->fg.isCte + || pItem->u2.pCteUse->eM10d!=M10d_Yes + || NEVER(pItem->pSelect==0) + || pItem->pSelect->pOrderBy==0 + ){ + pWInfo->revMask |= MASKBIT(ii); + } + } +} + /* ** Generate the beginning of the loop used for WHERE clause processing. ** The return value is a pointer to an opaque structure that contains @@ -150268,7 +165097,7 @@ static void showAllWhereLoops(WhereInfo *pWInfo, WhereClause *pWC){ ** ** OUTER JOINS ** -** An outer join of tables t1 and t2 is conceptally coded as follows: +** An outer join of tables t1 and t2 is conceptually coded as follows: ** ** foreach row1 in t1 do ** flag = 0 @@ -150304,6 +165133,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( Expr *pWhere, /* The WHERE clause */ ExprList *pOrderBy, /* An ORDER BY (or GROUP BY) clause, or NULL */ ExprList *pResultSet, /* Query result set. Req'd for DISTINCT */ + Select *pSelect, /* The entire SELECT statement */ u16 wctrlFlags, /* The WHERE_* flags defined in sqliteInt.h */ int iAuxArg /* If WHERE_OR_SUBCLAUSE is set, index cursor number ** If WHERE_USE_LIMIT, then the limit amount */ @@ -150338,13 +165168,6 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* An ORDER/GROUP BY clause of more than 63 terms cannot be optimized */ testcase( pOrderBy && pOrderBy->nExpr==BMS-1 ); if( pOrderBy && pOrderBy->nExpr>=BMS ) pOrderBy = 0; - sWLB.pOrderBy = pOrderBy; - - /* Disable the DISTINCT optimization if SQLITE_DistinctOpt is set via - ** sqlite3_test_ctrl(SQLITE_TESTCTRL_OPTIMIZATIONS,...) */ - if( OptimizationDisabled(db, SQLITE_DistinctOpt) ){ - wctrlFlags &= ~WHERE_WANT_DISTINCT; - } /* The number of tables in the FROM clause is limited by the number of ** bits in a Bitmask @@ -150369,7 +165192,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** field (type Bitmask) it must be aligned on an 8-byte boundary on ** some architectures. Hence the ROUND8() below. */ - nByteWInfo = ROUND8(sizeof(WhereInfo)+(nTabList-1)*sizeof(WhereLevel)); + nByteWInfo = ROUND8P(sizeof(WhereInfo)+(nTabList-1)*sizeof(WhereLevel)); pWInfo = sqlite3DbMallocRawNN(db, nByteWInfo + sizeof(WhereLoop)); if( db->mallocFailed ){ sqlite3DbFree(db, pWInfo); @@ -150379,7 +165202,9 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( pWInfo->pParse = pParse; pWInfo->pTabList = pTabList; pWInfo->pOrderBy = pOrderBy; +#if WHERETRACE_ENABLED pWInfo->pWhere = pWhere; +#endif pWInfo->pResultSet = pResultSet; pWInfo->aiCurOnePass[0] = pWInfo->aiCurOnePass[1] = -1; pWInfo->nLevel = nTabList; @@ -150387,11 +165212,16 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( pWInfo->wctrlFlags = wctrlFlags; pWInfo->iLimit = iAuxArg; pWInfo->savedNQueryLoop = pParse->nQueryLoop; + pWInfo->pSelect = pSelect; memset(&pWInfo->nOBSat, 0, offsetof(WhereInfo,sWC) - offsetof(WhereInfo,nOBSat)); memset(&pWInfo->a[0], 0, sizeof(WhereLoop)+nTabList*sizeof(WhereLevel)); assert( pWInfo->eOnePass==ONEPASS_OFF ); /* ONEPASS defaults to OFF */ pMaskSet = &pWInfo->sMaskSet; + pMaskSet->n = 0; + pMaskSet->ix[0] = -99; /* Initialize ix[0] to a value that can never be + ** a valid cursor number, to avoid an initial + ** test for pMaskSet->n==0 in sqlite3WhereGetMask() */ sWLB.pWInfo = pWInfo; sWLB.pWC = &pWInfo->sWC; sWLB.pNew = (WhereLoop*)(((char*)pWInfo)+nByteWInfo); @@ -150404,7 +165234,6 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* Split the WHERE clause into separate subexpressions where each ** subexpression is separated by an AND operator. */ - initMaskSet(pMaskSet); sqlite3WhereClauseInit(&pWInfo->sWC, pWInfo); sqlite3WhereSplit(&pWInfo->sWC, pWhere, TK_AND); @@ -150412,7 +165241,9 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( */ if( nTabList==0 ){ if( pOrderBy ) pWInfo->nOBSat = pOrderBy->nExpr; - if( wctrlFlags & WHERE_WANT_DISTINCT ){ + if( (wctrlFlags & WHERE_WANT_DISTINCT)!=0 + && OptimizationEnabled(db, SQLITE_DistinctOpt) + ){ pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE; } ExplainQueryPlan((pParse, 0, "SCAN CONSTANT ROW")); @@ -150421,7 +165252,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** ** The N-th term of the FROM clause is assigned a bitmask of 1<sWC); - if( db->mallocFailed ) goto whereBeginError; + if( pSelect && pSelect->pLimit ){ + sqlite3WhereAddLimit(&pWInfo->sWC, pSelect); + } + if( pParse->nErr ) goto whereBeginError; - /* Special case: WHERE terms that do not refer to any tables in the join - ** (constant expressions). Evaluate each such term, and jump over all the - ** generated code if the result is not true. + /* The False-WHERE-Term-Bypass optimization: ** - ** Do not do this if the expression contains non-deterministic functions - ** that are not within a sub-select. This is not strictly required, but - ** preserves SQLite's legacy behaviour in the following two cases: + ** If there are WHERE terms that are false, then no rows will be output, + ** so skip over all of the code generated here. ** - ** FROM ... WHERE random()>0; -- eval random() once per row - ** FROM ... WHERE (SELECT random())>0; -- eval random() once overall - */ - for(ii=0; iinTerm; ii++){ - WhereTerm *pT = &sWLB.pWC->a[ii]; + ** Conditions: + ** + ** (1) The WHERE term must not refer to any tables in the join. + ** (2) The term must not come from an ON clause on the + ** right-hand side of a LEFT or FULL JOIN. + ** (3) The term must not come from an ON clause, or there must be + ** no RIGHT or FULL OUTER joins in pTabList. + ** (4) If the expression contains non-deterministic functions + ** that are not within a sub-select. This is not required + ** for correctness but rather to preserves SQLite's legacy + ** behaviour in the following two cases: + ** + ** WHERE random()>0; -- eval random() once per row + ** WHERE (SELECT random())>0; -- eval random() just once overall + ** + ** Note that the Where term need not be a constant in order for this + ** optimization to apply, though it does need to be constant relative to + ** the current subquery (condition 1). The term might include variables + ** from outer queries so that the value of the term changes from one + ** invocation of the current subquery to the next. + */ + for(ii=0; iinBase; ii++){ + WhereTerm *pT = &sWLB.pWC->a[ii]; /* A term of the WHERE clause */ + Expr *pX; /* The expression of pT */ if( pT->wtFlags & TERM_VIRTUAL ) continue; - if( pT->prereqAll==0 && (nTabList==0 || exprIsDeterministic(pT->pExpr)) ){ - sqlite3ExprIfFalse(pParse, pT->pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL); + pX = pT->pExpr; + assert( pX!=0 ); + assert( pT->prereqAll!=0 || !ExprHasProperty(pX, EP_OuterON) ); + if( pT->prereqAll==0 /* Conditions (1) and (2) */ + && (nTabList==0 || exprIsDeterministic(pX)) /* Condition (4) */ + && !(ExprHasProperty(pX, EP_InnerON) /* Condition (3) */ + && (pTabList->a[0].fg.jointype & JT_LTORJ)!=0 ) + ){ + sqlite3ExprIfFalse(pParse, pX, pWInfo->iBreak, SQLITE_JUMPIFNULL); pT->wtFlags |= TERM_CODED; } } if( wctrlFlags & WHERE_WANT_DISTINCT ){ - if( isDistinctRedundant(pParse, pTabList, &pWInfo->sWC, pResultSet) ){ + if( OptimizationDisabled(db, SQLITE_DistinctOpt) ){ + /* Disable the DISTINCT optimization if SQLITE_DistinctOpt is set via + ** sqlite3_test_ctrl(SQLITE_TESTCTRL_OPTIMIZATIONS,...) */ + wctrlFlags &= ~WHERE_WANT_DISTINCT; + pWInfo->wctrlFlags &= ~WHERE_WANT_DISTINCT; + }else if( isDistinctRedundant(pParse, pTabList, &pWInfo->sWC, pResultSet) ){ /* The DISTINCT marking is pointless. Ignore it. */ pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE; }else if( pOrderBy==0 ){ @@ -150485,13 +165347,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* Construct the WhereLoop objects */ #if defined(WHERETRACE_ENABLED) - if( sqlite3WhereTrace & 0xffff ){ + if( sqlite3WhereTrace & 0xffffffff ){ sqlite3DebugPrintf("*** Optimizer Start *** (wctrlFlags: 0x%x",wctrlFlags); if( wctrlFlags & WHERE_USE_LIMIT ){ sqlite3DebugPrintf(", limit: %d", iAuxArg); } sqlite3DebugPrintf(")\n"); - if( sqlite3WhereTrace & 0x100 ){ + if( sqlite3WhereTrace & 0x8000 ){ Select sSelect; memset(&sSelect, 0, sizeof(sSelect)); sSelect.selFlags = SF_WhereBegin; @@ -150501,10 +165363,10 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( sSelect.pEList = pResultSet; sqlite3TreeViewSelect(0, &sSelect, 0); } - } - if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ - sqlite3DebugPrintf("---- WHERE clause at start of analysis:\n"); - sqlite3WhereClausePrint(sWLB.pWC); + if( sqlite3WhereTrace & 0x4000 ){ /* Display all WHERE clause terms */ + sqlite3DebugPrintf("---- WHERE clause at start of analysis:\n"); + sqlite3WhereClausePrint(sWLB.pWC); + } } #endif @@ -150520,7 +165382,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** loops will be built using the revised truthProb values. */ if( sWLB.bldFlags2 & SQLITE_BLDF2_2NDPASS ){ WHERETRACE_ALL_LOOPS(pWInfo, sWLB.pWC); - WHERETRACE(0xffff, + WHERETRACE(0xffffffff, ("**** Redo all loop computations due to" " TERM_HIGHTRUTH changes ****\n")); while( pWInfo->pLoops ){ @@ -150541,12 +165403,14 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( if( db->mallocFailed ) goto whereBeginError; } } + assert( pWInfo->pTabList!=0 ); if( pWInfo->pOrderBy==0 && (db->flags & SQLITE_ReverseOrder)!=0 ){ - pWInfo->revMask = ALLBITS; + whereReverseScanOrder(pWInfo); } - if( pParse->nErr || NEVER(db->mallocFailed) ){ + if( pParse->nErr ){ goto whereBeginError; } + assert( db->mallocFailed==0 ); #ifdef WHERETRACE_ENABLED if( sqlite3WhereTrace ){ sqlite3DebugPrintf("---- Solution nRow=%d", pWInfo->nRowOut); @@ -150574,89 +165438,42 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } #endif - /* Attempt to omit tables from the join that do not affect the result. - ** For a table to not affect the result, the following must be true: - ** - ** 1) The query must not be an aggregate. - ** 2) The table must be the RHS of a LEFT JOIN. - ** 3) Either the query must be DISTINCT, or else the ON or USING clause - ** must contain a constraint that limits the scan of the table to - ** at most a single row. - ** 4) The table must not be referenced by any part of the query apart - ** from its own USING or ON clause. - ** - ** For example, given: - ** - ** CREATE TABLE t1(ipk INTEGER PRIMARY KEY, v1); - ** CREATE TABLE t2(ipk INTEGER PRIMARY KEY, v2); - ** CREATE TABLE t3(ipk INTEGER PRIMARY KEY, v3); - ** - ** then table t2 can be omitted from the following: - ** - ** SELECT v1, v3 FROM t1 - ** LEFT JOIN t2 ON (t1.ipk=t2.ipk) - ** LEFT JOIN t3 ON (t1.ipk=t3.ipk) + /* Attempt to omit tables from a join that do not affect the result. + ** See the comment on whereOmitNoopJoin() for further information. ** - ** or from: - ** - ** SELECT DISTINCT v1, v3 FROM t1 - ** LEFT JOIN t2 - ** LEFT JOIN t3 ON (t1.ipk=t3.ipk) + ** This query optimization is factored out into a separate "no-inline" + ** procedure to keep the sqlite3WhereBegin() procedure from becoming + ** too large. If sqlite3WhereBegin() becomes too large, that prevents + ** some C-compiler optimizers from in-lining the + ** sqlite3WhereCodeOneLoopStart() procedure, and it is important to + ** in-line sqlite3WhereCodeOneLoopStart() for performance reasons. */ notReady = ~(Bitmask)0; if( pWInfo->nLevel>=2 - && pResultSet!=0 /* guarantees condition (1) above */ + && pResultSet!=0 /* these two combine to guarantee */ + && 0==(wctrlFlags & WHERE_AGG_DISTINCT) /* condition (1) above */ && OptimizationEnabled(db, SQLITE_OmitNoopJoin) ){ - int i; - Bitmask tabUsed = sqlite3WhereExprListUsage(pMaskSet, pResultSet); - if( sWLB.pOrderBy ){ - tabUsed |= sqlite3WhereExprListUsage(pMaskSet, sWLB.pOrderBy); - } - for(i=pWInfo->nLevel-1; i>=1; i--){ - WhereTerm *pTerm, *pEnd; - struct SrcList_item *pItem; - pLoop = pWInfo->a[i].pWLoop; - pItem = &pWInfo->pTabList->a[pLoop->iTab]; - if( (pItem->fg.jointype & JT_LEFT)==0 ) continue; - if( (wctrlFlags & WHERE_WANT_DISTINCT)==0 - && (pLoop->wsFlags & WHERE_ONEROW)==0 - ){ - continue; - } - if( (tabUsed & pLoop->maskSelf)!=0 ) continue; - pEnd = sWLB.pWC->a + sWLB.pWC->nTerm; - for(pTerm=sWLB.pWC->a; pTermprereqAll & pLoop->maskSelf)!=0 ){ - if( !ExprHasProperty(pTerm->pExpr, EP_FromJoin) - || pTerm->pExpr->iRightJoinTable!=pItem->iCursor - ){ - break; - } - } - } - if( pTerm drop loop %c not used\n", pLoop->cId)); - notReady &= ~pLoop->maskSelf; - for(pTerm=sWLB.pWC->a; pTermprereqAll & pLoop->maskSelf)!=0 ){ - pTerm->wtFlags |= TERM_CODED; - } - } - if( i!=pWInfo->nLevel-1 ){ - int nByte = (pWInfo->nLevel-1-i) * sizeof(WhereLevel); - memmove(&pWInfo->a[i], &pWInfo->a[i+1], nByte); - } - pWInfo->nLevel--; - nTabList--; - } + notReady = whereOmitNoopJoin(pWInfo, notReady); + nTabList = pWInfo->nLevel; + assert( nTabList>0 ); + } + + /* Check to see if there are any SEARCH loops that might benefit from + ** using a Bloom filter. + */ + if( pWInfo->nLevel>=2 + && OptimizationEnabled(db, SQLITE_BloomFilter) + ){ + whereCheckIfBloomFilterIsUseful(pWInfo); } + #if defined(WHERETRACE_ENABLED) - if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ + if( sqlite3WhereTrace & 0x4000 ){ /* Display all terms of the WHERE clause */ sqlite3DebugPrintf("---- WHERE clause at end of analysis:\n"); sqlite3WhereClausePrint(sWLB.pWC); } - WHERETRACE(0xffff,("*** Optimizer Finished ***\n")); + WHERETRACE(0xffffffff,("*** Optimizer Finished ***\n")); #endif pWInfo->pParse->nQueryLoop += pWInfo->nRowOut; @@ -150688,6 +165505,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( 0!=(wctrlFlags & WHERE_ONEPASS_MULTIROW) && !IsVirtual(pTabList->a[0].pTab) && (0==(wsFlags & WHERE_MULTI_OR) || (wctrlFlags & WHERE_DUPLICATES_OK)) + && OptimizationEnabled(db, SQLITE_OnePass) )){ pWInfo->eOnePass = bOnerow ? ONEPASS_SINGLE : ONEPASS_MULTI; if( HasRowid(pTabList->a[0].pTab) && (wsFlags & WHERE_IDX_ONLY) ){ @@ -150705,13 +165523,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( for(ii=0, pLevel=pWInfo->a; iia[pLevel->iFrom]; pTab = pTabItem->pTab; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); pLoop = pLevel->pWLoop; - if( (pTab->tabFlags & TF_Ephemeral)!=0 || pTab->pSelect ){ + if( (pTab->tabFlags & TF_Ephemeral)!=0 || IsView(pTab) ){ /* Do nothing */ }else #ifndef SQLITE_OMIT_VIRTUALTABLE @@ -150723,8 +165541,10 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* noop */ }else #endif - if( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 - && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){ + if( ((pLoop->wsFlags & WHERE_IDX_ONLY)==0 + && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0) + || (pTabItem->fg.jointype & (JT_LTORJ|JT_RIGHT))!=0 + ){ int op = OP_OpenRead; if( pWInfo->eOnePass!=ONEPASS_OFF ){ op = OP_OpenWrite; @@ -150737,6 +165557,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( if( pWInfo->eOnePass==ONEPASS_OFF && pTab->nColtabFlags & (TF_HasGenerated|TF_WithoutRowid))==0 + && (pLoop->wsFlags & (WHERE_AUTO_INDEX|WHERE_BLOOMFILTER))==0 ){ /* If we know that only a prefix of the record will be used, ** it is advantageous to reduce the "column count" field in @@ -150748,7 +165569,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( assert( n<=pTab->nCol ); } #ifdef SQLITE_ENABLE_CURSOR_HINTS - if( pLoop->u.btree.pIndex!=0 ){ + if( pLoop->u.btree.pIndex!=0 && (pTab->tabFlags & TF_WithoutRowid)==0 ){ sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ|bFordelete); }else #endif @@ -150790,8 +165611,12 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( op = OP_ReopenIdx; }else{ iIndexCur = pParse->nTab++; + if( pIx->bHasExpr && OptimizationEnabled(db, SQLITE_IndexedExpr) ){ + whereAddIndexedExpr(pParse, pIx, iIndexCur, pTabItem); + } } pLevel->iIdxCur = iIndexCur; + assert( pIx!=0 ); assert( pIx->pSchema==pTab->pSchema ); assert( iIndexCur>=0 ); if( op ){ @@ -150800,6 +165625,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( if( (pLoop->wsFlags & WHERE_CONSTRAINT)!=0 && (pLoop->wsFlags & (WHERE_COLUMN_RANGE|WHERE_SKIPSCAN))==0 && (pLoop->wsFlags & WHERE_BIGNULL_SORT)==0 + && (pLoop->wsFlags & WHERE_IN_SEEKSCAN)==0 && (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0 && pWInfo->eDistinct!=WHERE_DISTINCT_ORDERED ){ @@ -150824,6 +165650,37 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } } if( iDb>=0 ) sqlite3CodeVerifySchema(pParse, iDb); + if( (pTabItem->fg.jointype & JT_RIGHT)!=0 + && (pLevel->pRJ = sqlite3WhereMalloc(pWInfo, sizeof(WhereRightJoin)))!=0 + ){ + WhereRightJoin *pRJ = pLevel->pRJ; + pRJ->iMatch = pParse->nTab++; + pRJ->regBloom = ++pParse->nMem; + sqlite3VdbeAddOp2(v, OP_Blob, 65536, pRJ->regBloom); + pRJ->regReturn = ++pParse->nMem; + sqlite3VdbeAddOp2(v, OP_Null, 0, pRJ->regReturn); + assert( pTab==pTabItem->pTab ); + if( HasRowid(pTab) ){ + KeyInfo *pInfo; + sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pRJ->iMatch, 1); + pInfo = sqlite3KeyInfoAlloc(pParse->db, 1, 0); + if( pInfo ){ + pInfo->aColl[0] = 0; + pInfo->aSortFlags[0] = 0; + sqlite3VdbeAppendP4(v, pInfo, P4_KEYINFO); + } + }else{ + Index *pPk = sqlite3PrimaryKeyIndex(pTab); + sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pRJ->iMatch, pPk->nKeyCol); + sqlite3VdbeSetP4KeyInfo(pParse, pPk); + } + pLoop->wsFlags &= ~WHERE_IDX_ONLY; + /* The nature of RIGHT JOIN processing is such that it messes up + ** the output order. So omit any ORDER BY/GROUP BY elimination + ** optimizations. We need to do an actual sort for RIGHT JOIN. */ + pWInfo->nOBSat = 0; + pWInfo->eDistinct = WHERE_DISTINCT_UNORDERED; + } } pWInfo->iTop = sqlite3VdbeCurrentAddr(v); if( db->mallocFailed ) goto whereBeginError; @@ -150835,15 +165692,31 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( for(ii=0; iinErr ) goto whereBeginError; pLevel = &pWInfo->a[ii]; wsFlags = pLevel->pWLoop->wsFlags; + pSrc = &pTabList->a[pLevel->iFrom]; + if( pSrc->fg.isMaterialized ){ + if( pSrc->fg.isCorrelated ){ + sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->regReturn, pSrc->addrFillSub); + }else{ + int iOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); + sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->regReturn, pSrc->addrFillSub); + sqlite3VdbeJumpHere(v, iOnce); + } + } + assert( pTabList == pWInfo->pTabList ); + if( (wsFlags & (WHERE_AUTO_INDEX|WHERE_BLOOMFILTER))!=0 ){ + if( (wsFlags & WHERE_AUTO_INDEX)!=0 ){ #ifndef SQLITE_OMIT_AUTOMATIC_INDEX - if( (pLevel->pWLoop->wsFlags & WHERE_AUTO_INDEX)!=0 ){ - constructAutomaticIndex(pParse, &pWInfo->sWC, - &pTabList->a[pLevel->iFrom], notReady, pLevel); + constructAutomaticIndex(pParse, &pWInfo->sWC, notReady, pLevel); +#endif + }else{ + sqlite3ConstructBloomFilter(pWInfo, ii, pLevel, notReady); + } if( db->mallocFailed ) goto whereBeginError; } -#endif addrExplain = sqlite3WhereExplainOneScan( pParse, pTabList, pLevel, wctrlFlags ); @@ -150857,6 +165730,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* Done. */ VdbeModuleComment((v, "Begin WHERE-core")); + pWInfo->iEndWhere = sqlite3VdbeCurrentAddr(v); return pWInfo; /* Jump here if malloc fails */ @@ -150888,6 +165762,26 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } #endif +#ifdef SQLITE_DEBUG +/* +** Return true if cursor iCur is opened by instruction k of the +** bytecode. Used inside of assert() only. +*/ +static int cursorIsOpen(Vdbe *v, int iCur, int k){ + while( k>=0 ){ + VdbeOp *pOp = sqlite3VdbeGetOp(v,k--); + if( pOp->p1!=iCur ) continue; + if( pOp->opcode==OP_Close ) return 0; + if( pOp->opcode==OP_OpenRead ) return 1; + if( pOp->opcode==OP_OpenWrite ) return 1; + if( pOp->opcode==OP_OpenDup ) return 1; + if( pOp->opcode==OP_OpenAutoindex ) return 1; + if( pOp->opcode==OP_OpenEphemeral ) return 1; + } + return 0; +} +#endif /* SQLITE_DEBUG */ + /* ** Generate the end of the WHERE loop. See comments on ** sqlite3WhereBegin() for additional information. @@ -150900,6 +165794,8 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ WhereLoop *pLoop; SrcList *pTabList = pWInfo->pTabList; sqlite3 *db = pParse->db; + int iEnd = sqlite3VdbeCurrentAddr(v); + int nRJ = 0; /* Generate loop termination code. */ @@ -150907,6 +165803,17 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ for(i=pWInfo->nLevel-1; i>=0; i--){ int addr; pLevel = &pWInfo->a[i]; + if( pLevel->pRJ ){ + /* Terminate the subroutine that forms the interior of the loop of + ** the RIGHT JOIN table */ + WhereRightJoin *pRJ = pLevel->pRJ; + sqlite3VdbeResolveLabel(v, pLevel->addrCont); + pLevel->addrCont = 0; + pRJ->endSubrtn = sqlite3VdbeCurrentAddr(v); + sqlite3VdbeAddOp3(v, OP_Return, pRJ->regReturn, pRJ->addrSubrtn, 1); + VdbeCoverage(v); + nRJ++; + } pLoop = pLevel->pWLoop; if( pLevel->op!=OP_Noop ){ #ifndef SQLITE_DISABLE_SKIPAHEAD_DISTINCT @@ -150934,7 +165841,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ } #endif /* SQLITE_DISABLE_SKIPAHEAD_DISTINCT */ /* The common case: Advance to the next row */ - sqlite3VdbeResolveLabel(v, pLevel->addrCont); + if( pLevel->addrCont ) sqlite3VdbeResolveLabel(v, pLevel->addrCont); sqlite3VdbeAddOp3(v, pLevel->op, pLevel->p1, pLevel->p2, pLevel->p3); sqlite3VdbeChangeP5(v, pLevel->p5); VdbeCoverage(v); @@ -150949,18 +165856,22 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ #ifndef SQLITE_DISABLE_SKIPAHEAD_DISTINCT if( addrSeek ) sqlite3VdbeJumpHere(v, addrSeek); #endif - }else{ + }else if( pLevel->addrCont ){ sqlite3VdbeResolveLabel(v, pLevel->addrCont); } - if( pLoop->wsFlags & WHERE_IN_ABLE && pLevel->u.in.nIn>0 ){ + if( (pLoop->wsFlags & WHERE_IN_ABLE)!=0 && pLevel->u.in.nIn>0 ){ struct InLoop *pIn; int j; sqlite3VdbeResolveLabel(v, pLevel->addrNxt); for(j=pLevel->u.in.nIn, pIn=&pLevel->u.in.aInLoop[j-1]; j>0; j--, pIn--){ + assert( sqlite3VdbeGetOp(v, pIn->addrInTop+1)->opcode==OP_IsNull + || pParse->db->mallocFailed ); sqlite3VdbeJumpHere(v, pIn->addrInTop+1); if( pIn->eEndLoopOp!=OP_Noop ){ if( pIn->nPrefix ){ - assert( pLoop->wsFlags & WHERE_IN_EARLYOUT ); + int bEarlyOut = + (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 + && (pLoop->wsFlags & WHERE_IN_EARLYOUT)!=0; if( pLevel->iLeftJoin ){ /* For LEFT JOIN queries, cursor pIn->iCur may not have been ** opened yet. This occurs for WHERE clauses such as @@ -150971,16 +165882,19 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** jump over the OP_Next or OP_Prev instruction about to ** be coded. */ sqlite3VdbeAddOp2(v, OP_IfNotOpen, pIn->iCur, - sqlite3VdbeCurrentAddr(v) + 2 + - ((pLoop->wsFlags & WHERE_VIRTUALTABLE)==0) - ); + sqlite3VdbeCurrentAddr(v) + 2 + bEarlyOut); VdbeCoverage(v); } - if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 ){ + if( bEarlyOut ){ sqlite3VdbeAddOp4Int(v, OP_IfNoHope, pLevel->iIdxCur, sqlite3VdbeCurrentAddr(v)+2, pIn->iBase, pIn->nPrefix); VdbeCoverage(v); + /* Retarget the OP_IsNull against the left operand of IN so + ** it jumps past the OP_IfNoHope. This is because the + ** OP_IsNull also bypasses the OP_Affinity opcode that is + ** required by OP_IfNoHope. */ + sqlite3VdbeJumpHere(v, pIn->addrInTop+1); } } sqlite3VdbeAddOp2(v, pIn->eEndLoopOp, pIn->iCur, pIn->addrInTop); @@ -150992,6 +165906,10 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ } } sqlite3VdbeResolveLabel(v, pLevel->addrBrk); + if( pLevel->pRJ ){ + sqlite3VdbeAddOp3(v, OP_Return, pLevel->pRJ->regReturn, 0, 1); + VdbeCoverage(v); + } if( pLevel->addrSkip ){ sqlite3VdbeGoto(v, pLevel->addrSkip); VdbeComment((v, "next skip-scan on %s", pLoop->u.btree.pIndex->zName)); @@ -151014,8 +165932,14 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iTabCur); } if( (ws & WHERE_INDEXED) - || ((ws & WHERE_MULTI_OR) && pLevel->u.pCovidx) + || ((ws & WHERE_MULTI_OR) && pLevel->u.pCoveringIdx) ){ + if( ws & WHERE_MULTI_OR ){ + Index *pIx = pLevel->u.pCoveringIdx; + int iDb = sqlite3SchemaToIndex(db, pIx->pSchema); + sqlite3VdbeAddOp3(v, OP_ReopenIdx, pLevel->iIdxCur, pIx->tnum, iDb); + sqlite3VdbeSetP4KeyInfo(pParse, pIx); + } sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iIdxCur); } if( pLevel->op==OP_Return ){ @@ -151029,21 +165953,25 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ pWInfo->pTabList->a[pLevel->iFrom].pTab->zName)); } - /* The "break" point is here, just past the end of the outer loop. - ** Set it. - */ - sqlite3VdbeResolveLabel(v, pWInfo->iBreak); - assert( pWInfo->nLevel<=pTabList->nSrc ); for(i=0, pLevel=pWInfo->a; inLevel; i++, pLevel++){ int k, last; - VdbeOp *pOp; + VdbeOp *pOp, *pLastOp; Index *pIdx = 0; - struct SrcList_item *pTabItem = &pTabList->a[pLevel->iFrom]; + SrcItem *pTabItem = &pTabList->a[pLevel->iFrom]; Table *pTab = pTabItem->pTab; assert( pTab!=0 ); pLoop = pLevel->pWLoop; + /* Do RIGHT JOIN processing. Generate code that will output the + ** unmatched rows of the right operand of the RIGHT JOIN with + ** all of the columns of the left operand set to NULL. + */ + if( pLevel->pRJ ){ + sqlite3WhereRightJoinLoop(pWInfo, i, pLevel); + continue; + } + /* For a co-routine, change all OP_Column references to the table of ** the co-routine into OP_Copy of result contained in a register. ** OP_Rowid becomes OP_Null. @@ -151055,29 +165983,6 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ continue; } -#ifdef SQLITE_ENABLE_EARLY_CURSOR_CLOSE - /* Close all of the cursors that were opened by sqlite3WhereBegin. - ** Except, do not close cursors that will be reused by the OR optimization - ** (WHERE_OR_SUBCLAUSE). And do not close the OP_OpenWrite cursors - ** created for the ONEPASS optimization. - */ - if( (pTab->tabFlags & TF_Ephemeral)==0 - && pTab->pSelect==0 - && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 - ){ - int ws = pLoop->wsFlags; - if( pWInfo->eOnePass==ONEPASS_OFF && (ws & WHERE_IDX_ONLY)==0 ){ - sqlite3VdbeAddOp1(v, OP_Close, pTabItem->iCursor); - } - if( (ws & WHERE_INDEXED)!=0 - && (ws & (WHERE_IPK|WHERE_AUTO_INDEX))==0 - && pLevel->iIdxCur!=pWInfo->aiCurOnePass[1] - ){ - sqlite3VdbeAddOp1(v, OP_Close, pLevel->iIdxCur); - } - } -#endif - /* If this scan uses an index, make VDBE code substitutions to read data ** from the index instead of from the table where possible. In some cases ** this optimization prevents the table from ever being read, which can @@ -151092,29 +165997,63 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){ pIdx = pLoop->u.btree.pIndex; }else if( pLoop->wsFlags & WHERE_MULTI_OR ){ - pIdx = pLevel->u.pCovidx; + pIdx = pLevel->u.pCoveringIdx; } if( pIdx - && (pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable)) && !db->mallocFailed ){ - last = sqlite3VdbeCurrentAddr(v); - k = pLevel->addrBody; + if( pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable) ){ + last = iEnd; + }else{ + last = pWInfo->iEndWhere; + } + if( pIdx->bHasExpr ){ + IndexedExpr *p = pParse->pIdxEpr; + while( p ){ + if( p->iIdxCur==pLevel->iIdxCur ){ +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x200 ){ + sqlite3DebugPrintf("Disable pParse->pIdxEpr term {%d,%d}\n", + p->iIdxCur, p->iIdxCol); + if( sqlite3WhereTrace & 0x5000 ) sqlite3ShowExpr(p->pExpr); + } +#endif + p->iDataCur = -1; + p->iIdxCur = -1; + } + p = p->pIENext; + } + } + k = pLevel->addrBody + 1; #ifdef SQLITE_DEBUG if( db->flags & SQLITE_VdbeAddopTrace ){ - printf("TRANSLATE opcodes in range %d..%d\n", k, last-1); + printf("TRANSLATE cursor %d->%d in opcode range %d..%d\n", + pLevel->iTabCur, pLevel->iIdxCur, k, last-1); } + /* Proof that the "+1" on the k value above is safe */ + pOp = sqlite3VdbeGetOp(v, k - 1); + assert( pOp->opcode!=OP_Column || pOp->p1!=pLevel->iTabCur ); + assert( pOp->opcode!=OP_Rowid || pOp->p1!=pLevel->iTabCur ); + assert( pOp->opcode!=OP_IfNullRow || pOp->p1!=pLevel->iTabCur ); #endif pOp = sqlite3VdbeGetOp(v, k); - for(; kp1!=pLevel->iTabCur ) continue; - if( pOp->opcode==OP_Column + pLastOp = pOp + (last - k); + assert( pOp<=pLastOp ); + do{ + if( pOp->p1!=pLevel->iTabCur ){ + /* no-op */ + }else if( pOp->opcode==OP_Column #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC || pOp->opcode==OP_Offset #endif ){ int x = pOp->p2; assert( pIdx->pTable==pTab ); +#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC + if( pOp->opcode==OP_Offset ){ + /* Do not need to translate the column number */ + }else +#endif if( !HasRowid(pTab) ){ Index *pPk = sqlite3PrimaryKeyIndex(pTab); x = pPk->aiColumn[x]; @@ -151128,9 +166067,22 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ pOp->p2 = x; pOp->p1 = pLevel->iIdxCur; OpcodeRewriteTrace(db, k, pOp); + }else{ + /* Unable to translate the table reference into an index + ** reference. Verify that this is harmless - that the + ** table being referenced really is open. + */ +#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC + assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 + || cursorIsOpen(v,pOp->p1,k) + || pOp->opcode==OP_Offset + ); +#else + assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 + || cursorIsOpen(v,pOp->p1,k) + ); +#endif } - assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 - || pWInfo->eOnePass ); }else if( pOp->opcode==OP_Rowid ){ pOp->p1 = pLevel->iIdxCur; pOp->opcode = OP_IdxRowid; @@ -151139,25 +166091,26 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ pOp->p1 = pLevel->iIdxCur; OpcodeRewriteTrace(db, k, pOp); } - } +#ifdef SQLITE_DEBUG + k++; +#endif + }while( (++pOp)flags & SQLITE_VdbeAddopTrace ) printf("TRANSLATE complete\n"); #endif } } - /* Undo all Expr node modifications */ - while( pWInfo->pExprMods ){ - WhereExprMod *p = pWInfo->pExprMods; - pWInfo->pExprMods = p->pNext; - memcpy(p->pExpr, &p->orig, sizeof(p->orig)); - sqlite3DbFree(db, p); - } + /* The "break" point is here, just past the end of the outer loop. + ** Set it. + */ + sqlite3VdbeResolveLabel(v, pWInfo->iBreak); /* Final cleanup */ pParse->nQueryLoop = pWInfo->savedNQueryLoop; whereInfoFree(db, pWInfo); + pParse->withinRJSubrtn -= nRJ; return; } @@ -151282,7 +166235,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** ** These are the same built-in window functions supported by Postgres. ** Although the behaviour of aggregate window functions (functions that -** can be used as either aggregates or window funtions) allows them to +** can be used as either aggregates or window functions) allows them to ** be implemented using an API, built-in window functions are much more ** esoteric. Additionally, some window functions (e.g. nth_value()) ** may only be implemented by caching the entire partition in memory. @@ -151746,7 +166699,7 @@ static void noopValueFunc(sqlite3_context *p){ UNUSED_PARAMETER(p); /*no-op*/ } /* Window functions that use all window interfaces: xStep, xFinal, ** xValue, and xInverse */ #define WINDOWFUNCALL(name,nArg,extra) { \ - nArg, (SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ + nArg, (SQLITE_FUNC_BUILTIN|SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ name ## StepFunc, name ## FinalizeFunc, name ## ValueFunc, \ name ## InvFunc, name ## Name, {0} \ } @@ -151754,7 +166707,7 @@ static void noopValueFunc(sqlite3_context *p){ UNUSED_PARAMETER(p); /*no-op*/ } /* Window functions that are implemented using bytecode and thus have ** no-op routines for their methods */ #define WINDOWFUNCNOOP(name,nArg,extra) { \ - nArg, (SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ + nArg, (SQLITE_FUNC_BUILTIN|SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ noopStepFunc, noopValueFunc, noopValueFunc, \ noopStepFunc, name ## Name, {0} \ } @@ -151763,7 +166716,7 @@ static void noopValueFunc(sqlite3_context *p){ UNUSED_PARAMETER(p); /*no-op*/ } ** same routine for xFinalize and xValue and which never call ** xInverse. */ #define WINDOWFUNCX(name,nArg,extra) { \ - nArg, (SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ + nArg, (SQLITE_FUNC_BUILTIN|SQLITE_UTF8|SQLITE_FUNC_WINDOW|extra), 0, 0, \ name ## StepFunc, name ## ValueFunc, name ## ValueFunc, \ noopStepFunc, name ## Name, {0} \ } @@ -151812,7 +166765,7 @@ static Window *windowFind(Parse *pParse, Window *pList, const char *zName){ ** is the Window object representing the associated OVER clause. This ** function updates the contents of pWin as follows: ** -** * If the OVER clause refered to a named window (as in "max(x) OVER win"), +** * If the OVER clause referred to a named window (as in "max(x) OVER win"), ** search list pList for a matching WINDOW definition, and update pWin ** accordingly. If no such WINDOW clause can be found, leave an error ** in pParse. @@ -151889,7 +166842,7 @@ SQLITE_PRIVATE void sqlite3WindowUpdate( } } } - pWin->pFunc = pFunc; + pWin->pWFunc = pFunc; } /* @@ -151950,9 +166903,11 @@ static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){ } /* no break */ deliberate_fall_through + case TK_IF_NULL_ROW: case TK_AGG_FUNCTION: case TK_COLUMN: { int iCol = -1; + if( pParse->db->mallocFailed ) return WRC_Abort; if( p->pSub ){ int i; for(i=0; ipSub->nExpr; i++){ @@ -152062,14 +167017,16 @@ static ExprList *exprListAppendList( int i; int nInit = pList ? pList->nExpr : 0; for(i=0; inExpr; i++){ - Expr *pDup = sqlite3ExprDup(pParse->db, pAppend->a[i].pExpr, 0); - assert( pDup==0 || !ExprHasProperty(pDup, EP_MemToken) ); - if( bIntToNull && pDup ){ + sqlite3 *db = pParse->db; + Expr *pDup = sqlite3ExprDup(db, pAppend->a[i].pExpr, 0); + if( db->mallocFailed ){ + sqlite3ExprDelete(db, pDup); + break; + } + if( bIntToNull ){ int iDummy; Expr *pSub; - for(pSub=pDup; ExprHasProperty(pSub, EP_Skip); pSub=pSub->pLeft){ - assert( pSub ); - } + pSub = sqlite3ExprSkipCollateAndLikely(pDup); if( sqlite3ExprIsInteger(pSub, &iDummy) ){ pSub->op = TK_NULL; pSub->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse); @@ -152077,7 +167034,7 @@ static ExprList *exprListAppendList( } } pList = sqlite3ExprListAppend(pParse, pList, pDup); - if( pList ) pList->a[nInit+i].sortFlags = pAppend->a[i].sortFlags; + if( pList ) pList->a[nInit+i].fg.sortFlags = pAppend->a[i].fg.sortFlags; } } return pList; @@ -152100,6 +167057,15 @@ static int sqlite3WindowExtraAggFuncDepth(Walker *pWalker, Expr *pExpr){ return WRC_Continue; } +static int disallowAggregatesInOrderByCb(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_AGG_FUNCTION && pExpr->pAggInfo==0 ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + sqlite3ErrorMsg(pWalker->pParse, + "misuse of aggregate: %s()", pExpr->u.zToken); + } + return WRC_Continue; +} + /* ** If the SELECT statement passed as the second argument does not invoke ** any SQL window functions, this function is a no-op. Otherwise, it @@ -152109,7 +167075,11 @@ static int sqlite3WindowExtraAggFuncDepth(Walker *pWalker, Expr *pExpr){ */ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ int rc = SQLITE_OK; - if( p->pWin && p->pPrior==0 && (p->selFlags & SF_WinRewrite)==0 ){ + if( p->pWin + && p->pPrior==0 + && ALWAYS((p->selFlags & SF_WinRewrite)==0) + && ALWAYS(!IN_RENAME_OBJECT) + ){ Vdbe *v = sqlite3GetVdbe(pParse); sqlite3 *db = pParse->db; Select *pSub = 0; /* The subquery */ @@ -152133,6 +167103,11 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ } sqlite3AggInfoPersistWalkerInit(&w, pParse); sqlite3WalkSelect(&w, p); + if( (p->selFlags & SF_Aggregate)==0 ){ + w.xExprCallback = disallowAggregatesInOrderByCb; + w.xSelectCallback = 0; + sqlite3WalkExprList(&w, p->pOrderBy); + } p->pSrc = 0; p->pWhere = 0; @@ -152177,8 +167152,11 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ ** window function - one for the accumulator, another for interim ** results. */ for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - ExprList *pArgs = pWin->pOwner->x.pList; - if( pWin->pFunc->funcFlags & SQLITE_FUNC_SUBTYPE ){ + ExprList *pArgs; + assert( ExprUseXList(pWin->pOwner) ); + assert( pWin->pWFunc!=0 ); + pArgs = pWin->pOwner->x.pList; + if( pWin->pWFunc->funcFlags & SQLITE_FUNC_SUBTYPE ){ selectWindowRewriteEList(pParse, pMWin, pSrc, pArgs, pTab, &pSublist); pWin->iArgCol = (pSublist ? pSublist->nExpr : 0); pWin->bExprArgs = 1; @@ -152210,15 +167188,19 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ pSub = sqlite3SelectNew( pParse, pSublist, pSrc, pWhere, pGroupBy, pHaving, pSort, 0, 0 ); - SELECTTRACE(1,pParse,pSub, + TREETRACE(0x40,pParse,pSub, ("New window-function subquery in FROM clause of (%u/%p)\n", p->selId, p)); p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); + assert( pSub!=0 || p->pSrc==0 ); /* Due to db->mallocFailed test inside + ** of sqlite3DbMallocRawNN() called from + ** sqlite3SrcListAppend() */ if( p->pSrc ){ Table *pTab2; p->pSrc->a[0].pSelect = pSub; + p->pSrc->a[0].fg.isCorrelated = 1; sqlite3SrcListAssignCursors(pParse, p->pSrc); - pSub->selFlags |= SF_Expanded; + pSub->selFlags |= SF_Expanded|SF_OrderByReqd; pTab2 = sqlite3ResultSetOfSelect(pParse, pSub, SQLITE_AFF_NONE); pSub->selFlags |= (selFlags & SF_Aggregate); if( pTab2==0 ){ @@ -152241,15 +167223,14 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ sqlite3SelectDelete(db, pSub); } if( db->mallocFailed ) rc = SQLITE_NOMEM; - sqlite3DbFree(db, pTab); - } - if( rc ){ - if( pParse->nErr==0 ){ - assert( pParse->db->mallocFailed ); - sqlite3ErrorToParser(pParse->db, SQLITE_NOMEM); - } + /* Defer deleting the temporary table pTab because if an error occurred, + ** there could still be references to that table embedded in the + ** result-set or ORDER BY clause of the SELECT statement p. */ + sqlite3ParserAddCleanup(pParse, sqlite3DbFree, pTab); } + + assert( rc==SQLITE_OK || pParse->nErr!=0 ); return rc; } @@ -152405,7 +167386,7 @@ SQLITE_PRIVATE Window *sqlite3WindowAssemble( } /* -** Window *pWin has just been created from a WINDOW clause. Tokne pBase +** Window *pWin has just been created from a WINDOW clause. Token pBase ** is the base window. Earlier windows from the same WINDOW clause are ** stored in the linked list starting at pWin->pNextWin. This function ** either updates *pWin according to the base specification, or else @@ -152469,15 +167450,19 @@ SQLITE_PRIVATE void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){ ** SELECT, or (b) the windows already linked use a compatible window frame. */ SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin){ - if( pSel!=0 - && (0==pSel->pWin || 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0)) - ){ - pWin->pNextWin = pSel->pWin; - if( pSel->pWin ){ - pSel->pWin->ppThis = &pWin->pNextWin; + if( pSel ){ + if( 0==pSel->pWin || 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0) ){ + pWin->pNextWin = pSel->pWin; + if( pSel->pWin ){ + pSel->pWin->ppThis = &pWin->pNextWin; + } + pSel->pWin = pWin; + pWin->ppThis = &pSel->pWin; + }else{ + if( sqlite3ExprListCompare(pWin->pPartition, pSel->pWin->pPartition,-1) ){ + pSel->selFlags |= SF_MultiPart; + } } - pSel->pWin = pWin; - pWin->ppThis = &pSel->pWin; } } @@ -152486,7 +167471,12 @@ SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin){ ** different, or 2 if it cannot be determined if the objects are identical ** or not. Identical window objects can be processed in a single scan. */ -SQLITE_PRIVATE int sqlite3WindowCompare(Parse *pParse, Window *p1, Window *p2, int bFilter){ +SQLITE_PRIVATE int sqlite3WindowCompare( + const Parse *pParse, + const Window *p1, + const Window *p2, + int bFilter +){ int res; if( NEVER(p1==0) || NEVER(p2==0) ) return 1; if( p1->eFrmType!=p2->eFrmType ) return 1; @@ -152549,7 +167539,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse *pParse, Select *pSelect){ } for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - FuncDef *p = pWin->pFunc; + FuncDef *p = pWin->pWFunc; if( (p->funcFlags & SQLITE_FUNC_MINMAX) && pWin->eStart!=TK_UNBOUNDED ){ /* The inline versions of min() and max() require a single ephemeral ** table and 3 registers. The registers are used as follows: @@ -152558,12 +167548,15 @@ SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse *pParse, Select *pSelect){ ** regApp+1: integer value used to ensure keys are unique ** regApp+2: output of MakeRecord */ - ExprList *pList = pWin->pOwner->x.pList; - KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pList, 0, 0); + ExprList *pList; + KeyInfo *pKeyInfo; + assert( ExprUseXList(pWin->pOwner) ); + pList = pWin->pOwner->x.pList; + pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pList, 0, 0); pWin->csrApp = pParse->nTab++; pWin->regApp = pParse->nMem+1; pParse->nMem += 3; - if( pKeyInfo && pWin->pFunc->zName[1]=='i' ){ + if( pKeyInfo && pWin->pWFunc->zName[1]=='i' ){ assert( pKeyInfo->aSortFlags[0]==0 ); pKeyInfo->aSortFlags[0] = KEYINFO_ORDER_DESC; } @@ -152630,6 +167623,7 @@ static void windowCheckValue(Parse *pParse, int reg, int eCond){ VdbeCoverageIf(v, eCond==2); } sqlite3VdbeAddOp3(v, aOp[eCond], regZero, sqlite3VdbeCurrentAddr(v)+2, reg); + sqlite3VdbeChangeP5(v, SQLITE_AFF_NUMERIC); VdbeCoverageNeverNullIf(v, eCond==0); /* NULL case captured by */ VdbeCoverageNeverNullIf(v, eCond==1); /* the OP_MustBeInt */ VdbeCoverageNeverNullIf(v, eCond==2); @@ -152646,7 +167640,9 @@ static void windowCheckValue(Parse *pParse, int reg, int eCond){ ** with the object passed as the only argument to this function. */ static int windowArgCount(Window *pWin){ - ExprList *pList = pWin->pOwner->x.pList; + const ExprList *pList; + assert( ExprUseXList(pWin->pOwner) ); + pList = pWin->pOwner->x.pList; return (pList ? pList->nExpr : 0); } @@ -152696,7 +167692,7 @@ struct WindowCsrAndReg { ** ** (ORDER BY a, b GROUPS BETWEEN 2 PRECEDING AND 2 FOLLOWING) ** -** The windows functions implmentation caches the input rows in a temp +** The windows functions implementation caches the input rows in a temp ** table, sorted by "a, b" (it actually populates the cache lazily, and ** aggressively removes rows once they are no longer required, but that's ** a mere detail). It keeps three cursors open on the temp table. One @@ -152724,6 +167720,7 @@ struct WindowCodeArg { int regGosub; /* Register used with OP_Gosub(addrGosub) */ int regArg; /* First in array of accumulator registers */ int eDelete; /* See above */ + int regRowid; WindowCsrAndReg start; WindowCsrAndReg current; @@ -152782,7 +167779,7 @@ static void windowAggStep( Vdbe *v = sqlite3GetVdbe(pParse); Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - FuncDef *pFunc = pWin->pFunc; + FuncDef *pFunc = pWin->pWFunc; int regArg; int nArg = pWin->bExprArgs ? 0 : windowArgCount(pWin); int i; @@ -152830,6 +167827,7 @@ static void windowAggStep( int addrIf = 0; if( pWin->pFilter ){ int regTmp; + assert( ExprUseXList(pWin->pOwner) ); assert( pWin->bExprArgs || !nArg ||nArg==pWin->pOwner->x.pList->nExpr ); assert( pWin->bExprArgs || nArg ||pWin->pOwner->x.pList==0 ); regTmp = sqlite3GetTempReg(pParse); @@ -152840,16 +167838,17 @@ static void windowAggStep( } if( pWin->bExprArgs ){ - int iStart = sqlite3VdbeCurrentAddr(v); - VdbeOp *pOp, *pEnd; + int iOp = sqlite3VdbeCurrentAddr(v); + int iEnd; + assert( ExprUseXList(pWin->pOwner) ); nArg = pWin->pOwner->x.pList->nExpr; regArg = sqlite3GetTempRange(pParse, nArg); sqlite3ExprCodeExprList(pParse, pWin->pOwner->x.pList, regArg, 0, 0); - pEnd = sqlite3VdbeGetOp(v, -1); - for(pOp=sqlite3VdbeGetOp(v, iStart); pOp<=pEnd; pOp++){ - if( pOp->opcode==OP_Column && pOp->p1==pWin->iEphCsr ){ + for(iEnd=sqlite3VdbeCurrentAddr(v); iOpopcode==OP_Column && pOp->p1==pMWin->iEphCsr ){ pOp->p1 = csr; } } @@ -152857,6 +167856,7 @@ static void windowAggStep( if( pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){ CollSeq *pColl; assert( nArg>0 ); + assert( ExprUseXList(pWin->pOwner) ); pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr); sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ); } @@ -152893,7 +167893,7 @@ static void windowAggFinal(WindowCodeArg *p, int bFin){ for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ if( pMWin->regStartRowid==0 - && (pWin->pFunc->funcFlags & SQLITE_FUNC_MINMAX) + && (pWin->pWFunc->funcFlags & SQLITE_FUNC_MINMAX) && (pWin->eStart!=TK_UNBOUNDED) ){ sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult); @@ -152907,12 +167907,12 @@ static void windowAggFinal(WindowCodeArg *p, int bFin){ int nArg = windowArgCount(pWin); if( bFin ){ sqlite3VdbeAddOp2(v, OP_AggFinal, pWin->regAccum, nArg); - sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF); + sqlite3VdbeAppendP4(v, pWin->pWFunc, P4_FUNCDEF); sqlite3VdbeAddOp2(v, OP_Copy, pWin->regAccum, pWin->regResult); sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum); }else{ sqlite3VdbeAddOp3(v, OP_AggValue,pWin->regAccum,nArg,pWin->regResult); - sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF); + sqlite3VdbeAppendP4(v, pWin->pWFunc, P4_FUNCDEF); } } } @@ -153041,7 +168041,8 @@ static void windowReturnOneRow(WindowCodeArg *p){ Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - FuncDef *pFunc = pWin->pFunc; + FuncDef *pFunc = pWin->pWFunc; + assert( ExprUseXList(pWin->pOwner) ); if( pFunc->zName==nth_valueName || pFunc->zName==first_valueName ){ @@ -153112,7 +168113,7 @@ static int windowInitAccum(Parse *pParse, Window *pMWin){ int nArg = 0; Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - FuncDef *pFunc = pWin->pFunc; + FuncDef *pFunc = pWin->pWFunc; assert( pWin->regAccum ); sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum); nArg = MAX(nArg, windowArgCount(pWin)); @@ -153142,7 +168143,7 @@ static int windowCacheFrame(Window *pMWin){ Window *pWin; if( pMWin->regStartRowid ) return 1; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ - FuncDef *pFunc = pWin->pFunc; + FuncDef *pFunc = pWin->pWFunc; if( (pFunc->zName==nth_valueName) || (pFunc->zName==first_valueName) || (pFunc->zName==leadName) @@ -153207,7 +168208,7 @@ static void windowIfNewPeer( ** if( csr1.peerVal - regVal <= csr2.peerVal ) goto lbl; ** ** A special type of arithmetic is used such that if csr1.peerVal is not -** a numeric type (real or integer), then the result of the addition addition +** a numeric type (real or integer), then the result of the addition ** or subtraction is a a copy of csr1.peerVal. */ static void windowCodeRangeTest( @@ -153226,10 +168227,16 @@ static void windowCodeRangeTest( int regString = ++pParse->nMem; /* Reg. for constant value '' */ int arith = OP_Add; /* OP_Add or OP_Subtract */ int addrGe; /* Jump destination */ + int addrDone = sqlite3VdbeMakeLabel(pParse); /* Address past OP_Ge */ + CollSeq *pColl; + + /* Read the peer-value from each cursor into a register */ + windowReadPeerValues(p, csr1, reg1); + windowReadPeerValues(p, csr2, reg2); assert( op==OP_Ge || op==OP_Gt || op==OP_Le ); assert( pOrderBy && pOrderBy->nExpr==1 ); - if( pOrderBy->a[0].sortFlags & KEYINFO_ORDER_DESC ){ + if( pOrderBy->a[0].fg.sortFlags & KEYINFO_ORDER_DESC ){ switch( op ){ case OP_Ge: op = OP_Le; break; case OP_Gt: op = OP_Lt; break; @@ -153238,34 +168245,11 @@ static void windowCodeRangeTest( arith = OP_Subtract; } - /* Read the peer-value from each cursor into a register */ - windowReadPeerValues(p, csr1, reg1); - windowReadPeerValues(p, csr2, reg2); - VdbeModuleComment((v, "CodeRangeTest: if( R%d %s R%d %s R%d ) goto lbl", reg1, (arith==OP_Add ? "+" : "-"), regVal, ((op==OP_Ge) ? ">=" : (op==OP_Le) ? "<=" : (op==OP_Gt) ? ">" : "<"), reg2 )); - /* Register reg1 currently contains csr1.peerVal (the peer-value from csr1). - ** This block adds (or subtracts for DESC) the numeric value in regVal - ** from it. Or, if reg1 is not numeric (it is a NULL, a text value or a blob), - ** then leave reg1 as it is. In pseudo-code, this is implemented as: - ** - ** if( reg1>='' ) goto addrGe; - ** reg1 = reg1 +/- regVal - ** addrGe: - ** - ** Since all strings and blobs are greater-than-or-equal-to an empty string, - ** the add/subtract is skipped for these, as required. If reg1 is a NULL, - ** then the arithmetic is performed, but since adding or subtracting from - ** NULL is always NULL anyway, this case is handled as required too. */ - sqlite3VdbeAddOp4(v, OP_String8, 0, regString, 0, "", P4_STATIC); - addrGe = sqlite3VdbeAddOp3(v, OP_Ge, regString, 0, reg1); - VdbeCoverage(v); - sqlite3VdbeAddOp3(v, arith, regVal, reg1, reg1); - sqlite3VdbeJumpHere(v, addrGe); - /* If the BIGNULL flag is set for the ORDER BY, then it is required to ** consider NULL values to be larger than all other values, instead of ** the usual smaller. The VDBE opcodes OP_Ge and so on do not handle this @@ -153285,7 +168269,7 @@ static void windowCodeRangeTest( ** Additionally, if either reg1 or reg2 are NULL but the jump to lbl is ** not taken, control jumps over the comparison operator coded below this ** block. */ - if( pOrderBy->a[0].sortFlags & KEYINFO_ORDER_BIGNULL ){ + if( pOrderBy->a[0].fg.sortFlags & KEYINFO_ORDER_BIGNULL ){ /* This block runs if reg1 contains a NULL. */ int addr = sqlite3VdbeAddOp1(v, OP_NotNull, reg1); VdbeCoverage(v); switch( op ){ @@ -153302,21 +168286,45 @@ static void windowCodeRangeTest( break; default: assert( op==OP_Lt ); /* no-op */ break; } - sqlite3VdbeAddOp2(v, OP_Goto, 0, sqlite3VdbeCurrentAddr(v)+3); + sqlite3VdbeAddOp2(v, OP_Goto, 0, addrDone); /* This block runs if reg1 is not NULL, but reg2 is. */ sqlite3VdbeJumpHere(v, addr); - sqlite3VdbeAddOp2(v, OP_IsNull, reg2, lbl); VdbeCoverage(v); - if( op==OP_Gt || op==OP_Ge ){ - sqlite3VdbeChangeP2(v, -1, sqlite3VdbeCurrentAddr(v)+1); - } + sqlite3VdbeAddOp2(v, OP_IsNull, reg2, + (op==OP_Gt || op==OP_Ge) ? addrDone : lbl); + VdbeCoverage(v); + } + + /* Register reg1 currently contains csr1.peerVal (the peer-value from csr1). + ** This block adds (or subtracts for DESC) the numeric value in regVal + ** from it. Or, if reg1 is not numeric (it is a NULL, a text value or a blob), + ** then leave reg1 as it is. In pseudo-code, this is implemented as: + ** + ** if( reg1>='' ) goto addrGe; + ** reg1 = reg1 +/- regVal + ** addrGe: + ** + ** Since all strings and blobs are greater-than-or-equal-to an empty string, + ** the add/subtract is skipped for these, as required. If reg1 is a NULL, + ** then the arithmetic is performed, but since adding or subtracting from + ** NULL is always NULL anyway, this case is handled as required too. */ + sqlite3VdbeAddOp4(v, OP_String8, 0, regString, 0, "", P4_STATIC); + addrGe = sqlite3VdbeAddOp3(v, OP_Ge, regString, 0, reg1); + VdbeCoverage(v); + if( (op==OP_Ge && arith==OP_Add) || (op==OP_Le && arith==OP_Subtract) ){ + sqlite3VdbeAddOp3(v, op, reg2, lbl, reg1); VdbeCoverage(v); } + sqlite3VdbeAddOp3(v, arith, regVal, reg1, reg1); + sqlite3VdbeJumpHere(v, addrGe); /* Compare registers reg2 and reg1, taking the jump if required. Note that ** control skips over this test if the BIGNULL flag is set and either ** reg1 or reg2 contain a NULL value. */ sqlite3VdbeAddOp3(v, op, reg2, lbl, reg1); VdbeCoverage(v); + pColl = sqlite3ExprNNCollSeq(pParse, pOrderBy->a[0].pExpr); + sqlite3VdbeAppendP4(v, (void*)pColl, P4_COLLSEQ); sqlite3VdbeChangeP5(v, SQLITE_NULLEQ); + sqlite3VdbeResolveLabel(v, addrDone); assert( op==OP_Ge || op==OP_Gt || op==OP_Lt || op==OP_Le ); testcase(op==OP_Ge); VdbeCoverageIf(v, op==OP_Ge); @@ -153392,16 +168400,24 @@ static int windowCodeOp( /* If this is a (RANGE BETWEEN a FOLLOWING AND b FOLLOWING) or ** (RANGE BETWEEN b PRECEDING AND a PRECEDING) frame, ensure the ** start cursor does not advance past the end cursor within the - ** temporary table. It otherwise might, if (a>b). */ + ** temporary table. It otherwise might, if (a>b). Also ensure that, + ** if the input cursor is still finding new rows, that the end + ** cursor does not go past it to EOF. */ if( pMWin->eStart==pMWin->eEnd && regCountdown - && pMWin->eFrmType==TK_RANGE && op==WINDOW_AGGINVERSE + && pMWin->eFrmType==TK_RANGE ){ int regRowid1 = sqlite3GetTempReg(pParse); int regRowid2 = sqlite3GetTempReg(pParse); - sqlite3VdbeAddOp2(v, OP_Rowid, p->start.csr, regRowid1); - sqlite3VdbeAddOp2(v, OP_Rowid, p->end.csr, regRowid2); - sqlite3VdbeAddOp3(v, OP_Ge, regRowid2, lblDone, regRowid1); - VdbeCoverage(v); + if( op==WINDOW_AGGINVERSE ){ + sqlite3VdbeAddOp2(v, OP_Rowid, p->start.csr, regRowid1); + sqlite3VdbeAddOp2(v, OP_Rowid, p->end.csr, regRowid2); + sqlite3VdbeAddOp3(v, OP_Ge, regRowid2, lblDone, regRowid1); + VdbeCoverage(v); + }else if( p->regRowid ){ + sqlite3VdbeAddOp2(v, OP_Rowid, p->end.csr, regRowid1); + sqlite3VdbeAddOp3(v, OP_Ge, p->regRowid, lblDone, regRowid1); + VdbeCoverageNeverNull(v); + } sqlite3ReleaseTempReg(pParse, regRowid1); sqlite3ReleaseTempReg(pParse, regRowid2); assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_FOLLOWING ); @@ -153484,7 +168500,7 @@ SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p){ pNew->zName = sqlite3DbStrDup(db, p->zName); pNew->zBase = sqlite3DbStrDup(db, p->zBase); pNew->pFilter = sqlite3ExprDup(db, p->pFilter, 0); - pNew->pFunc = p->pFunc; + pNew->pWFunc = p->pWFunc; pNew->pPartition = sqlite3ExprListDup(db, p->pPartition, 0); pNew->pOrderBy = sqlite3ExprListDup(db, p->pOrderBy, 0); pNew->eFrmType = p->eFrmType; @@ -153685,7 +168701,7 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** ** For the most part, the patterns above are adapted to support UNBOUNDED by ** assuming that it is equivalent to "infinity PRECEDING/FOLLOWING" and -** CURRENT ROW by assuming that it is equivilent to "0 PRECEDING/FOLLOWING". +** CURRENT ROW by assuming that it is equivalent to "0 PRECEDING/FOLLOWING". ** This is optimized of course - branches that will never be taken and ** conditions that are always true are omitted from the VM code. The only ** exceptional case is: @@ -153898,7 +168914,6 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( int addrEmpty; /* Address of OP_Rewind in flush: */ int regNew; /* Array of registers holding new input row */ int regRecord; /* regNew array in record form */ - int regRowid; /* Rowid for regRecord in eph table */ int regNewPeer = 0; /* Peer values for new row (part of regNew) */ int regPeer = 0; /* Peer values for current row */ int regFlushPart = 0; /* Register for "Gosub flush_partition" */ @@ -153965,12 +168980,12 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } /* Allocate registers for the array of values from the sub-query, the - ** samve values in record form, and the rowid used to insert said record + ** same values in record form, and the rowid used to insert said record ** into the ephemeral table. */ regNew = pParse->nMem+1; pParse->nMem += nInput; regRecord = ++pParse->nMem; - regRowid = ++pParse->nMem; + s.regRowid = ++pParse->nMem; /* If the window frame contains an " PRECEDING" or " FOLLOWING" ** clause, allocate registers to store the results of evaluating each @@ -154026,9 +169041,9 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } /* Insert the new row into the ephemeral table */ - sqlite3VdbeAddOp2(v, OP_NewRowid, csrWrite, regRowid); - sqlite3VdbeAddOp3(v, OP_Insert, csrWrite, regRecord, regRowid); - addrNe = sqlite3VdbeAddOp3(v, OP_Ne, pMWin->regOne, 0, regRowid); + sqlite3VdbeAddOp2(v, OP_NewRowid, csrWrite, s.regRowid); + sqlite3VdbeAddOp3(v, OP_Insert, csrWrite, regRecord, s.regRowid); + addrNe = sqlite3VdbeAddOp3(v, OP_Ne, pMWin->regOne, 0, s.regRowid); VdbeCoverageNeverNull(v); /* This block is run for the first row of each partition */ @@ -154049,8 +169064,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( VdbeCoverageNeverNullIf(v, op==OP_Ge); /* NeverNull because bound */ VdbeCoverageNeverNullIf(v, op==OP_Le); /* values previously checked */ windowAggFinal(&s, 0); - sqlite3VdbeAddOp2(v, OP_Rewind, s.current.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.current.csr); windowReturnOneRow(&s); sqlite3VdbeAddOp1(v, OP_ResetSorter, s.current.csr); sqlite3VdbeAddOp2(v, OP_Goto, 0, lblWhereEnd); @@ -154062,13 +169076,10 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } if( pMWin->eStart!=TK_UNBOUNDED ){ - sqlite3VdbeAddOp2(v, OP_Rewind, s.start.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.start.csr); } - sqlite3VdbeAddOp2(v, OP_Rewind, s.current.csr, 1); - VdbeCoverageNeverTaken(v); - sqlite3VdbeAddOp2(v, OP_Rewind, s.end.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.current.csr); + sqlite3VdbeAddOp1(v, OP_Rewind, s.end.csr); if( regPeer && pOrderBy ){ sqlite3VdbeAddOp3(v, OP_Copy, regNewPeer, regPeer, pOrderBy->nExpr-1); sqlite3VdbeAddOp3(v, OP_Copy, regPeer, s.start.reg, pOrderBy->nExpr-1); @@ -154146,6 +169157,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( sqlite3VdbeJumpHere(v, addrGosubFlush); } + s.regRowid = 0; addrEmpty = sqlite3VdbeAddOp1(v, OP_Rewind, csrWrite); VdbeCoverage(v); if( pMWin->eEnd==TK_PRECEDING ){ @@ -154208,8 +169220,11 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( /************** End of window.c **********************************************/ /************** Begin file parse.c *******************************************/ +/* This file is automatically generated by Lemon from input grammar +** source file "parse.y". +*/ /* -** 2000-05-29 +** 2001-09-15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: @@ -154219,22 +169234,15 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( ** May you share freely, never taking more than you give. ** ************************************************************************* -** Driver template for the LEMON parser generator. +** This file contains SQLite's SQL parser. ** -** The "lemon" program processes an LALR(1) input grammar file, then uses -** this template to construct a parser. The "lemon" program inserts text -** at each "%%" line. Also, any "P-a-r-s-e" identifer prefix (without the -** interstitial "-" characters) contained in this template is changed into -** the value of the %name directive from the grammar. Otherwise, the content -** of this template is copied straight through into the generate parser -** source file. -** -** The following is the concatenation of all %include directives from the -** input grammar file: +** The canonical source code to this file ("parse.y") is a Lemon grammar +** file that specifies the input grammar and actions to take while parsing. +** That input file is processed by Lemon to generate a C-language +** implementation of a parser for the given grammar. You might be reading +** this comment as part of the translated C-code. Edits should be made +** to the original parse.y sources. */ -/* #include */ -/* #include */ -/************ Begin %include sections from the grammar ************************/ /* #include "sqliteInt.h" */ @@ -154327,11 +169335,21 @@ static void updateDeleteLimitError( static void parserDoubleLinkSelect(Parse *pParse, Select *p){ assert( p!=0 ); if( p->pPrior ){ - Select *pNext = 0, *pLoop; - int mxSelect, cnt = 0; - for(pLoop=p; pLoop; pNext=pLoop, pLoop=pLoop->pPrior, cnt++){ + Select *pNext = 0, *pLoop = p; + int mxSelect, cnt = 1; + while(1){ pLoop->pNext = pNext; pLoop->selFlags |= SF_Compound; + pNext = pLoop; + pLoop = pLoop->pPrior; + if( pLoop==0 ) break; + cnt++; + if( pLoop->pOrderBy || pLoop->pLimit ){ + sqlite3ErrorMsg(pParse,"%s clause should come after %s not before", + pLoop->pOrderBy!=0 ? "ORDER BY" : "LIMIT", + sqlite3SelectOpName(pNext->op)); + break; + } } if( (p->selFlags & SF_MultiValue)==0 && (mxSelect = pParse->db->aLimit[SQLITE_LIMIT_COMPOUND_SELECT])>0 && @@ -154342,11 +169360,21 @@ static void updateDeleteLimitError( } } - - /* Construct a new Expr object from a single identifier. Use the - ** new Expr to populate pOut. Set the span of pOut to be the identifier - ** that created the expression. + /* Attach a With object describing the WITH clause to a Select + ** object describing the query for which the WITH clause is a prefix. */ + static Select *attachWithToSelect(Parse *pParse, Select *pSelect, With *pWith){ + if( pSelect ){ + pSelect->pWith = pWith; + parserDoubleLinkSelect(pParse, pSelect); + }else{ + sqlite3WithDelete(pParse->db, pWith); + } + return pSelect; + } + + + /* Construct a new Expr object from a single token */ static Expr *tokenExpr(Parse *pParse, int op, Token t){ Expr *p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr)+t.n+1); if( p ){ @@ -154355,17 +169383,18 @@ static void updateDeleteLimitError( p->affExpr = 0; p->flags = EP_Leaf; ExprClearVVAProperties(p); - p->iAgg = -1; + /* p->iAgg = -1; // Not required */ p->pLeft = p->pRight = 0; - p->x.pList = 0; p->pAggInfo = 0; - p->y.pTab = 0; + memset(&p->x, 0, sizeof(p->x)); + memset(&p->y, 0, sizeof(p->y)); p->op2 = 0; p->iTable = 0; p->iColumn = 0; p->u.zToken = (char*)&p[1]; memcpy(p->u.zToken, t.z, t.n); p->u.zToken[t.n] = 0; + p->w.iOfst = (int)(t.z - pParse->zTail); if( sqlite3Isquote(p->u.zToken[0]) ){ sqlite3DequoteExpr(p); } @@ -154418,11 +169447,195 @@ static void updateDeleteLimitError( # error too many tokens in the grammar #endif /**************** End of %include directives **********************************/ -/* These constants specify the various numeric values for terminal symbols -** in a format understandable to "makeheaders". This section is blank unless -** "lemon" is run with the "-m" command-line option. -***************** Begin makeheaders token definitions *************************/ -/**************** End makeheaders token definitions ***************************/ +/* These constants specify the various numeric values for terminal symbols. +***************** Begin token definitions *************************************/ +#ifndef TK_SEMI +#define TK_SEMI 1 +#define TK_EXPLAIN 2 +#define TK_QUERY 3 +#define TK_PLAN 4 +#define TK_BEGIN 5 +#define TK_TRANSACTION 6 +#define TK_DEFERRED 7 +#define TK_IMMEDIATE 8 +#define TK_EXCLUSIVE 9 +#define TK_COMMIT 10 +#define TK_END 11 +#define TK_ROLLBACK 12 +#define TK_SAVEPOINT 13 +#define TK_RELEASE 14 +#define TK_TO 15 +#define TK_TABLE 16 +#define TK_CREATE 17 +#define TK_IF 18 +#define TK_NOT 19 +#define TK_EXISTS 20 +#define TK_TEMP 21 +#define TK_LP 22 +#define TK_RP 23 +#define TK_AS 24 +#define TK_COMMA 25 +#define TK_WITHOUT 26 +#define TK_ABORT 27 +#define TK_ACTION 28 +#define TK_AFTER 29 +#define TK_ANALYZE 30 +#define TK_ASC 31 +#define TK_ATTACH 32 +#define TK_BEFORE 33 +#define TK_BY 34 +#define TK_CASCADE 35 +#define TK_CAST 36 +#define TK_CONFLICT 37 +#define TK_DATABASE 38 +#define TK_DESC 39 +#define TK_DETACH 40 +#define TK_EACH 41 +#define TK_FAIL 42 +#define TK_OR 43 +#define TK_AND 44 +#define TK_IS 45 +#define TK_MATCH 46 +#define TK_LIKE_KW 47 +#define TK_BETWEEN 48 +#define TK_IN 49 +#define TK_ISNULL 50 +#define TK_NOTNULL 51 +#define TK_NE 52 +#define TK_EQ 53 +#define TK_GT 54 +#define TK_LE 55 +#define TK_LT 56 +#define TK_GE 57 +#define TK_ESCAPE 58 +#define TK_ID 59 +#define TK_COLUMNKW 60 +#define TK_DO 61 +#define TK_FOR 62 +#define TK_IGNORE 63 +#define TK_INITIALLY 64 +#define TK_INSTEAD 65 +#define TK_NO 66 +#define TK_KEY 67 +#define TK_OF 68 +#define TK_OFFSET 69 +#define TK_PRAGMA 70 +#define TK_RAISE 71 +#define TK_RECURSIVE 72 +#define TK_REPLACE 73 +#define TK_RESTRICT 74 +#define TK_ROW 75 +#define TK_ROWS 76 +#define TK_TRIGGER 77 +#define TK_VACUUM 78 +#define TK_VIEW 79 +#define TK_VIRTUAL 80 +#define TK_WITH 81 +#define TK_NULLS 82 +#define TK_FIRST 83 +#define TK_LAST 84 +#define TK_CURRENT 85 +#define TK_FOLLOWING 86 +#define TK_PARTITION 87 +#define TK_PRECEDING 88 +#define TK_RANGE 89 +#define TK_UNBOUNDED 90 +#define TK_EXCLUDE 91 +#define TK_GROUPS 92 +#define TK_OTHERS 93 +#define TK_TIES 94 +#define TK_GENERATED 95 +#define TK_ALWAYS 96 +#define TK_MATERIALIZED 97 +#define TK_REINDEX 98 +#define TK_RENAME 99 +#define TK_CTIME_KW 100 +#define TK_ANY 101 +#define TK_BITAND 102 +#define TK_BITOR 103 +#define TK_LSHIFT 104 +#define TK_RSHIFT 105 +#define TK_PLUS 106 +#define TK_MINUS 107 +#define TK_STAR 108 +#define TK_SLASH 109 +#define TK_REM 110 +#define TK_CONCAT 111 +#define TK_PTR 112 +#define TK_COLLATE 113 +#define TK_BITNOT 114 +#define TK_ON 115 +#define TK_INDEXED 116 +#define TK_STRING 117 +#define TK_JOIN_KW 118 +#define TK_CONSTRAINT 119 +#define TK_DEFAULT 120 +#define TK_NULL 121 +#define TK_PRIMARY 122 +#define TK_UNIQUE 123 +#define TK_CHECK 124 +#define TK_REFERENCES 125 +#define TK_AUTOINCR 126 +#define TK_INSERT 127 +#define TK_DELETE 128 +#define TK_UPDATE 129 +#define TK_SET 130 +#define TK_DEFERRABLE 131 +#define TK_FOREIGN 132 +#define TK_DROP 133 +#define TK_UNION 134 +#define TK_ALL 135 +#define TK_EXCEPT 136 +#define TK_INTERSECT 137 +#define TK_SELECT 138 +#define TK_VALUES 139 +#define TK_DISTINCT 140 +#define TK_DOT 141 +#define TK_FROM 142 +#define TK_JOIN 143 +#define TK_USING 144 +#define TK_ORDER 145 +#define TK_GROUP 146 +#define TK_HAVING 147 +#define TK_LIMIT 148 +#define TK_WHERE 149 +#define TK_RETURNING 150 +#define TK_INTO 151 +#define TK_NOTHING 152 +#define TK_FLOAT 153 +#define TK_BLOB 154 +#define TK_INTEGER 155 +#define TK_VARIABLE 156 +#define TK_CASE 157 +#define TK_WHEN 158 +#define TK_THEN 159 +#define TK_ELSE 160 +#define TK_INDEX 161 +#define TK_ALTER 162 +#define TK_ADD 163 +#define TK_WINDOW 164 +#define TK_OVER 165 +#define TK_FILTER 166 +#define TK_COLUMN 167 +#define TK_AGG_FUNCTION 168 +#define TK_AGG_COLUMN 169 +#define TK_TRUEFALSE 170 +#define TK_ISNOT 171 +#define TK_FUNCTION 172 +#define TK_UMINUS 173 +#define TK_UPLUS 174 +#define TK_TRUTH 175 +#define TK_REGISTER 176 +#define TK_VECTOR 177 +#define TK_SELECT_COLUMN 178 +#define TK_IF_NULL_ROW 179 +#define TK_ASTERISK 180 +#define TK_SPAN 181 +#define TK_ERROR 182 +#define TK_SPACE 183 +#define TK_ILLEGAL 184 +#endif +/**************** End token definitions ***************************************/ /* The next sections is a series of control #defines. ** various aspects of the generated parser. @@ -154480,28 +169693,31 @@ static void updateDeleteLimitError( #endif /************* Begin control #defines *****************************************/ #define YYCODETYPE unsigned short int -#define YYNOCODE 310 +#define YYNOCODE 319 #define YYACTIONTYPE unsigned short int -#define YYWILDCARD 100 +#define YYWILDCARD 101 #define sqlite3ParserTOKENTYPE Token typedef union { int yyinit; sqlite3ParserTOKENTYPE yy0; - SrcList* yy47; - u8 yy58; - struct FrameBound yy77; - With* yy131; - int yy192; - Expr* yy202; - struct {int value; int mask;} yy207; - struct TrigEvent yy230; - ExprList* yy242; - Window* yy303; - Upsert* yy318; - const char* yy436; - TriggerStep* yy447; - Select* yy539; - IdList* yy600; + TriggerStep* yy33; + Window* yy41; + Select* yy47; + SrcList* yy131; + struct TrigEvent yy180; + struct {int value; int mask;} yy231; + IdList* yy254; + u32 yy285; + ExprList* yy322; + Cte* yy385; + int yy394; + Upsert* yy444; + u8 yy516; + With* yy521; + const char* yy522; + Expr* yy528; + OnOrUsing yy561; + struct FrameBound yy595; } YYMINORTYPE; #ifndef YYSTACKDEPTH #define YYSTACKDEPTH 100 @@ -154517,18 +169733,18 @@ typedef union { #define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse; #define sqlite3ParserCTX_STORE yypParser->pParse=pParse; #define YYFALLBACK 1 -#define YYNSTATE 553 -#define YYNRULE 385 -#define YYNRULE_WITH_ACTION 325 -#define YYNTOKEN 181 -#define YY_MAX_SHIFT 552 -#define YY_MIN_SHIFTREDUCE 803 -#define YY_MAX_SHIFTREDUCE 1187 -#define YY_ERROR_ACTION 1188 -#define YY_ACCEPT_ACTION 1189 -#define YY_NO_ACTION 1190 -#define YY_MIN_REDUCE 1191 -#define YY_MAX_REDUCE 1575 +#define YYNSTATE 575 +#define YYNRULE 403 +#define YYNRULE_WITH_ACTION 338 +#define YYNTOKEN 185 +#define YY_MAX_SHIFT 574 +#define YY_MIN_SHIFTREDUCE 833 +#define YY_MAX_SHIFTREDUCE 1235 +#define YY_ERROR_ACTION 1236 +#define YY_ACCEPT_ACTION 1237 +#define YY_NO_ACTION 1238 +#define YY_MIN_REDUCE 1239 +#define YY_MAX_REDUCE 1641 /************* End control #defines *******************************************/ #define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0]))) @@ -154595,586 +169811,618 @@ typedef union { ** yy_default[] Default action for each state. ** *********** Begin parsing tables **********************************************/ -#define YY_ACTTAB_COUNT (1962) +#define YY_ACTTAB_COUNT (2096) static const YYACTIONTYPE yy_action[] = { - /* 0 */ 546, 1222, 546, 451, 1260, 546, 1239, 546, 114, 111, - /* 10 */ 211, 546, 1537, 546, 1260, 523, 114, 111, 211, 392, - /* 20 */ 1232, 344, 42, 42, 42, 42, 1225, 42, 42, 71, - /* 30 */ 71, 937, 1224, 71, 71, 71, 71, 1462, 1493, 938, - /* 40 */ 820, 453, 6, 121, 122, 112, 1165, 1165, 1006, 1009, - /* 50 */ 999, 999, 119, 119, 120, 120, 120, 120, 1543, 392, - /* 60 */ 1358, 1517, 552, 2, 1193, 194, 528, 436, 143, 291, - /* 70 */ 528, 136, 528, 371, 261, 504, 272, 385, 1273, 527, - /* 80 */ 503, 493, 164, 121, 122, 112, 1165, 1165, 1006, 1009, - /* 90 */ 999, 999, 119, 119, 120, 120, 120, 120, 1358, 442, - /* 100 */ 1514, 118, 118, 118, 118, 117, 117, 116, 116, 116, - /* 110 */ 115, 424, 266, 266, 266, 266, 1498, 358, 1500, 435, - /* 120 */ 357, 1498, 517, 524, 1485, 543, 1114, 543, 1114, 392, - /* 130 */ 405, 241, 208, 114, 111, 211, 98, 290, 537, 221, - /* 140 */ 1029, 118, 118, 118, 118, 117, 117, 116, 116, 116, - /* 150 */ 115, 424, 1142, 121, 122, 112, 1165, 1165, 1006, 1009, - /* 160 */ 999, 999, 119, 119, 120, 120, 120, 120, 406, 428, - /* 170 */ 117, 117, 116, 116, 116, 115, 424, 1418, 468, 123, - /* 180 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, - /* 190 */ 424, 116, 116, 116, 115, 424, 540, 540, 540, 392, - /* 200 */ 505, 120, 120, 120, 120, 113, 1051, 1142, 1143, 1144, - /* 210 */ 1051, 118, 118, 118, 118, 117, 117, 116, 116, 116, - /* 220 */ 115, 424, 1461, 121, 122, 112, 1165, 1165, 1006, 1009, - /* 230 */ 999, 999, 119, 119, 120, 120, 120, 120, 392, 444, - /* 240 */ 316, 83, 463, 81, 359, 382, 1142, 80, 118, 118, - /* 250 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 179, - /* 260 */ 434, 424, 121, 122, 112, 1165, 1165, 1006, 1009, 999, - /* 270 */ 999, 119, 119, 120, 120, 120, 120, 434, 433, 266, - /* 280 */ 266, 118, 118, 118, 118, 117, 117, 116, 116, 116, - /* 290 */ 115, 424, 543, 1109, 903, 506, 1142, 114, 111, 211, - /* 300 */ 1431, 1142, 1143, 1144, 206, 491, 1109, 392, 449, 1109, - /* 310 */ 545, 330, 120, 120, 120, 120, 298, 1431, 1433, 17, - /* 320 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, - /* 330 */ 424, 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, - /* 340 */ 119, 119, 120, 120, 120, 120, 392, 1358, 434, 1142, - /* 350 */ 482, 1142, 1143, 1144, 996, 996, 1007, 1010, 445, 118, - /* 360 */ 118, 118, 118, 117, 117, 116, 116, 116, 115, 424, - /* 370 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, - /* 380 */ 119, 120, 120, 120, 120, 1054, 1054, 465, 1431, 118, - /* 390 */ 118, 118, 118, 117, 117, 116, 116, 116, 115, 424, - /* 400 */ 1142, 451, 546, 1426, 1142, 1143, 1144, 233, 966, 1142, - /* 410 */ 481, 478, 477, 171, 360, 392, 164, 407, 414, 842, - /* 420 */ 476, 164, 185, 334, 71, 71, 1243, 1000, 118, 118, - /* 430 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 121, - /* 440 */ 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, 119, - /* 450 */ 120, 120, 120, 120, 392, 1142, 1143, 1144, 835, 12, - /* 460 */ 314, 509, 163, 356, 1142, 1143, 1144, 114, 111, 211, - /* 470 */ 508, 290, 537, 546, 276, 180, 290, 537, 121, 122, - /* 480 */ 112, 1165, 1165, 1006, 1009, 999, 999, 119, 119, 120, - /* 490 */ 120, 120, 120, 345, 484, 71, 71, 118, 118, 118, - /* 500 */ 118, 117, 117, 116, 116, 116, 115, 424, 1142, 209, - /* 510 */ 411, 523, 1142, 1109, 1571, 378, 252, 269, 342, 487, - /* 520 */ 337, 486, 238, 392, 513, 364, 1109, 1127, 333, 1109, - /* 530 */ 191, 409, 286, 32, 457, 443, 118, 118, 118, 118, - /* 540 */ 117, 117, 116, 116, 116, 115, 424, 121, 122, 112, - /* 550 */ 1165, 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, - /* 560 */ 120, 120, 392, 1142, 1143, 1144, 987, 1142, 1143, 1144, - /* 570 */ 1142, 233, 492, 1492, 481, 478, 477, 6, 163, 546, - /* 580 */ 512, 546, 115, 424, 476, 5, 121, 122, 112, 1165, - /* 590 */ 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, 120, - /* 600 */ 120, 13, 13, 13, 13, 118, 118, 118, 118, 117, - /* 610 */ 117, 116, 116, 116, 115, 424, 403, 502, 408, 546, - /* 620 */ 1486, 544, 1142, 892, 892, 1142, 1143, 1144, 1473, 1142, - /* 630 */ 275, 392, 808, 809, 810, 971, 422, 422, 422, 16, - /* 640 */ 16, 55, 55, 1242, 118, 118, 118, 118, 117, 117, - /* 650 */ 116, 116, 116, 115, 424, 121, 122, 112, 1165, 1165, - /* 660 */ 1006, 1009, 999, 999, 119, 119, 120, 120, 120, 120, - /* 670 */ 392, 1189, 1, 1, 552, 2, 1193, 1142, 1143, 1144, - /* 680 */ 194, 291, 898, 136, 1142, 1143, 1144, 897, 521, 1492, - /* 690 */ 1273, 3, 380, 6, 121, 122, 112, 1165, 1165, 1006, - /* 700 */ 1009, 999, 999, 119, 119, 120, 120, 120, 120, 858, - /* 710 */ 546, 924, 546, 118, 118, 118, 118, 117, 117, 116, - /* 720 */ 116, 116, 115, 424, 266, 266, 1092, 1569, 1142, 551, - /* 730 */ 1569, 1193, 13, 13, 13, 13, 291, 543, 136, 392, - /* 740 */ 485, 421, 420, 966, 344, 1273, 468, 410, 859, 279, - /* 750 */ 140, 221, 118, 118, 118, 118, 117, 117, 116, 116, - /* 760 */ 116, 115, 424, 121, 122, 112, 1165, 1165, 1006, 1009, - /* 770 */ 999, 999, 119, 119, 120, 120, 120, 120, 546, 266, - /* 780 */ 266, 428, 392, 1142, 1143, 1144, 1172, 830, 1172, 468, - /* 790 */ 431, 145, 543, 1146, 401, 314, 439, 302, 838, 1490, - /* 800 */ 71, 71, 412, 6, 1090, 473, 221, 100, 112, 1165, - /* 810 */ 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, 120, - /* 820 */ 120, 118, 118, 118, 118, 117, 117, 116, 116, 116, - /* 830 */ 115, 424, 237, 1425, 546, 451, 428, 287, 986, 546, - /* 840 */ 236, 235, 234, 830, 97, 529, 429, 1265, 1265, 1146, - /* 850 */ 494, 307, 430, 838, 977, 546, 71, 71, 976, 1241, - /* 860 */ 546, 51, 51, 300, 118, 118, 118, 118, 117, 117, - /* 870 */ 116, 116, 116, 115, 424, 194, 103, 70, 70, 266, - /* 880 */ 266, 546, 71, 71, 266, 266, 30, 391, 344, 976, - /* 890 */ 976, 978, 543, 528, 1109, 328, 392, 543, 495, 397, - /* 900 */ 1470, 195, 530, 13, 13, 1358, 240, 1109, 277, 280, - /* 910 */ 1109, 280, 304, 457, 306, 333, 392, 31, 188, 419, - /* 920 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, - /* 930 */ 119, 120, 120, 120, 120, 142, 392, 365, 457, 986, - /* 940 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, - /* 950 */ 119, 120, 120, 120, 120, 977, 323, 1142, 326, 976, - /* 960 */ 121, 110, 112, 1165, 1165, 1006, 1009, 999, 999, 119, - /* 970 */ 119, 120, 120, 120, 120, 464, 377, 1185, 118, 118, - /* 980 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 1142, - /* 990 */ 976, 976, 978, 305, 9, 366, 244, 362, 118, 118, - /* 1000 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 313, - /* 1010 */ 546, 344, 1142, 1143, 1144, 299, 290, 537, 118, 118, - /* 1020 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 1263, - /* 1030 */ 1263, 1163, 13, 13, 278, 421, 420, 468, 392, 923, - /* 1040 */ 260, 260, 289, 1169, 1142, 1143, 1144, 189, 1171, 266, - /* 1050 */ 266, 468, 390, 543, 1186, 546, 1170, 263, 144, 489, - /* 1060 */ 922, 546, 543, 122, 112, 1165, 1165, 1006, 1009, 999, - /* 1070 */ 999, 119, 119, 120, 120, 120, 120, 71, 71, 1142, - /* 1080 */ 1172, 1272, 1172, 13, 13, 898, 1070, 1163, 546, 468, - /* 1090 */ 897, 107, 538, 1491, 4, 1268, 1109, 6, 525, 1049, - /* 1100 */ 12, 1071, 1092, 1570, 312, 455, 1570, 520, 541, 1109, - /* 1110 */ 56, 56, 1109, 1489, 423, 1358, 1072, 6, 345, 285, - /* 1120 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, - /* 1130 */ 424, 425, 1271, 321, 1142, 1143, 1144, 878, 266, 266, - /* 1140 */ 1277, 107, 538, 535, 4, 1488, 293, 879, 1211, 6, - /* 1150 */ 210, 543, 543, 164, 294, 496, 416, 204, 541, 267, - /* 1160 */ 267, 1214, 398, 511, 499, 204, 266, 266, 396, 531, - /* 1170 */ 8, 986, 543, 519, 546, 922, 458, 105, 105, 543, - /* 1180 */ 1090, 425, 266, 266, 106, 417, 425, 548, 547, 266, - /* 1190 */ 266, 976, 518, 535, 1373, 543, 15, 15, 266, 266, - /* 1200 */ 456, 1120, 543, 266, 266, 1070, 1372, 515, 290, 537, - /* 1210 */ 546, 543, 514, 97, 444, 316, 543, 546, 922, 125, - /* 1220 */ 1071, 986, 976, 976, 978, 979, 27, 105, 105, 401, - /* 1230 */ 343, 1511, 44, 44, 106, 1072, 425, 548, 547, 57, - /* 1240 */ 57, 976, 343, 1511, 107, 538, 546, 4, 462, 401, - /* 1250 */ 214, 1120, 459, 297, 377, 1091, 534, 1309, 546, 539, - /* 1260 */ 398, 541, 290, 537, 104, 244, 102, 526, 58, 58, - /* 1270 */ 546, 199, 976, 976, 978, 979, 27, 1516, 1131, 427, - /* 1280 */ 59, 59, 270, 237, 425, 138, 95, 375, 375, 374, - /* 1290 */ 255, 372, 60, 60, 817, 1180, 535, 546, 273, 546, - /* 1300 */ 1163, 1308, 389, 388, 546, 438, 546, 215, 210, 296, - /* 1310 */ 515, 849, 546, 265, 208, 516, 1476, 295, 274, 61, - /* 1320 */ 61, 62, 62, 308, 986, 109, 45, 45, 46, 46, - /* 1330 */ 105, 105, 1186, 922, 47, 47, 341, 106, 546, 425, - /* 1340 */ 548, 547, 1542, 546, 976, 867, 340, 217, 546, 937, - /* 1350 */ 397, 107, 538, 218, 4, 156, 1163, 938, 158, 546, - /* 1360 */ 49, 49, 1162, 546, 268, 50, 50, 546, 541, 1450, - /* 1370 */ 63, 63, 546, 1449, 216, 976, 976, 978, 979, 27, - /* 1380 */ 446, 64, 64, 546, 460, 65, 65, 546, 318, 14, - /* 1390 */ 14, 425, 1305, 546, 66, 66, 1087, 546, 141, 379, - /* 1400 */ 38, 546, 963, 535, 322, 127, 127, 546, 393, 67, - /* 1410 */ 67, 546, 325, 290, 537, 52, 52, 515, 546, 68, - /* 1420 */ 68, 845, 514, 69, 69, 399, 165, 857, 856, 53, - /* 1430 */ 53, 986, 311, 151, 151, 97, 432, 105, 105, 327, - /* 1440 */ 152, 152, 526, 1048, 106, 1048, 425, 548, 547, 1131, - /* 1450 */ 427, 976, 1032, 270, 968, 239, 329, 243, 375, 375, - /* 1460 */ 374, 255, 372, 940, 941, 817, 1296, 546, 220, 546, - /* 1470 */ 107, 538, 546, 4, 546, 1256, 199, 845, 215, 1036, - /* 1480 */ 296, 1530, 976, 976, 978, 979, 27, 541, 295, 76, - /* 1490 */ 76, 54, 54, 980, 72, 72, 128, 128, 864, 865, - /* 1500 */ 107, 538, 546, 4, 1047, 546, 1047, 533, 469, 546, - /* 1510 */ 425, 546, 450, 1240, 546, 243, 546, 541, 217, 546, - /* 1520 */ 452, 197, 535, 243, 73, 73, 156, 129, 129, 158, - /* 1530 */ 336, 130, 130, 126, 126, 1036, 150, 150, 149, 149, - /* 1540 */ 425, 134, 134, 317, 474, 216, 97, 239, 331, 980, - /* 1550 */ 986, 97, 535, 346, 347, 546, 105, 105, 902, 931, - /* 1560 */ 546, 895, 243, 106, 109, 425, 548, 547, 546, 1505, - /* 1570 */ 976, 828, 99, 538, 139, 4, 546, 133, 133, 393, - /* 1580 */ 986, 1317, 131, 131, 290, 537, 105, 105, 1357, 541, - /* 1590 */ 132, 132, 1292, 106, 1303, 425, 548, 547, 75, 75, - /* 1600 */ 976, 976, 976, 978, 979, 27, 546, 432, 896, 1289, - /* 1610 */ 532, 109, 425, 1363, 546, 1221, 1213, 1202, 258, 546, - /* 1620 */ 349, 546, 1201, 11, 535, 1203, 1524, 351, 77, 77, - /* 1630 */ 376, 976, 976, 978, 979, 27, 74, 74, 353, 213, - /* 1640 */ 301, 43, 43, 48, 48, 437, 310, 201, 303, 1350, - /* 1650 */ 315, 355, 986, 454, 479, 1239, 339, 192, 105, 105, - /* 1660 */ 1422, 1421, 193, 536, 205, 106, 1527, 425, 548, 547, - /* 1670 */ 1180, 167, 976, 270, 247, 1469, 1467, 1177, 375, 375, - /* 1680 */ 374, 255, 372, 200, 369, 817, 400, 83, 79, 82, - /* 1690 */ 1427, 448, 177, 95, 1342, 161, 169, 1339, 215, 440, - /* 1700 */ 296, 172, 173, 976, 976, 978, 979, 27, 295, 174, - /* 1710 */ 175, 441, 472, 223, 1347, 383, 35, 381, 36, 461, - /* 1720 */ 88, 1353, 181, 447, 384, 1416, 227, 467, 259, 229, - /* 1730 */ 186, 488, 470, 324, 1250, 230, 231, 320, 217, 1204, - /* 1740 */ 1438, 1259, 386, 1258, 413, 90, 156, 849, 1541, 158, - /* 1750 */ 206, 415, 1540, 507, 1300, 1257, 94, 348, 1229, 1301, - /* 1760 */ 387, 1510, 1228, 338, 1227, 216, 350, 1539, 498, 283, - /* 1770 */ 284, 1249, 501, 1299, 352, 245, 246, 418, 1298, 354, - /* 1780 */ 1496, 1495, 124, 10, 526, 363, 101, 1324, 253, 96, - /* 1790 */ 510, 1210, 34, 549, 1137, 254, 256, 257, 166, 393, - /* 1800 */ 550, 1199, 1282, 361, 290, 537, 1281, 196, 367, 368, - /* 1810 */ 1194, 153, 1454, 137, 281, 1323, 1455, 804, 154, 426, - /* 1820 */ 198, 155, 1453, 1452, 292, 212, 202, 432, 1402, 203, - /* 1830 */ 271, 135, 288, 78, 1046, 1044, 960, 168, 157, 881, - /* 1840 */ 170, 219, 309, 222, 1060, 176, 964, 159, 402, 84, - /* 1850 */ 178, 404, 85, 86, 87, 160, 1063, 224, 394, 395, - /* 1860 */ 225, 1059, 146, 18, 226, 319, 243, 1174, 466, 228, - /* 1870 */ 1052, 182, 183, 37, 819, 471, 340, 232, 332, 483, - /* 1880 */ 184, 89, 162, 19, 20, 475, 91, 480, 847, 335, - /* 1890 */ 147, 860, 282, 92, 490, 93, 1125, 148, 1012, 1095, - /* 1900 */ 39, 497, 1096, 40, 500, 262, 207, 264, 930, 187, - /* 1910 */ 925, 109, 1111, 1115, 1113, 7, 1099, 242, 33, 1119, - /* 1920 */ 21, 522, 22, 23, 24, 1118, 25, 190, 97, 26, - /* 1930 */ 1027, 1013, 1011, 1015, 1069, 1016, 1068, 249, 248, 28, - /* 1940 */ 41, 891, 981, 829, 108, 29, 250, 542, 251, 370, - /* 1950 */ 373, 1133, 1132, 1190, 1190, 1190, 1190, 1190, 1190, 1190, - /* 1960 */ 1532, 1531, + /* 0 */ 568, 208, 568, 118, 115, 229, 568, 118, 115, 229, + /* 10 */ 568, 1310, 377, 1289, 408, 562, 562, 562, 568, 409, + /* 20 */ 378, 1310, 1272, 41, 41, 41, 41, 208, 1520, 71, + /* 30 */ 71, 969, 419, 41, 41, 491, 303, 279, 303, 970, + /* 40 */ 397, 71, 71, 125, 126, 80, 1210, 1210, 1047, 1050, + /* 50 */ 1037, 1037, 123, 123, 124, 124, 124, 124, 476, 409, + /* 60 */ 1237, 1, 1, 574, 2, 1241, 550, 118, 115, 229, + /* 70 */ 317, 480, 146, 480, 524, 118, 115, 229, 529, 1323, + /* 80 */ 417, 523, 142, 125, 126, 80, 1210, 1210, 1047, 1050, + /* 90 */ 1037, 1037, 123, 123, 124, 124, 124, 124, 118, 115, + /* 100 */ 229, 327, 122, 122, 122, 122, 121, 121, 120, 120, + /* 110 */ 120, 119, 116, 444, 284, 284, 284, 284, 442, 442, + /* 120 */ 442, 1559, 376, 1561, 1186, 375, 1157, 565, 1157, 565, + /* 130 */ 409, 1559, 537, 259, 226, 444, 101, 145, 449, 316, + /* 140 */ 559, 240, 122, 122, 122, 122, 121, 121, 120, 120, + /* 150 */ 120, 119, 116, 444, 125, 126, 80, 1210, 1210, 1047, + /* 160 */ 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, 142, + /* 170 */ 294, 1186, 339, 448, 120, 120, 120, 119, 116, 444, + /* 180 */ 127, 1186, 1187, 1186, 148, 441, 440, 568, 119, 116, + /* 190 */ 444, 124, 124, 124, 124, 117, 122, 122, 122, 122, + /* 200 */ 121, 121, 120, 120, 120, 119, 116, 444, 454, 113, + /* 210 */ 13, 13, 546, 122, 122, 122, 122, 121, 121, 120, + /* 220 */ 120, 120, 119, 116, 444, 422, 316, 559, 1186, 1187, + /* 230 */ 1186, 149, 1218, 409, 1218, 124, 124, 124, 124, 122, + /* 240 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, + /* 250 */ 444, 465, 342, 1034, 1034, 1048, 1051, 125, 126, 80, + /* 260 */ 1210, 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, + /* 270 */ 124, 124, 1275, 522, 222, 1186, 568, 409, 224, 514, + /* 280 */ 175, 82, 83, 122, 122, 122, 122, 121, 121, 120, + /* 290 */ 120, 120, 119, 116, 444, 1005, 16, 16, 1186, 133, + /* 300 */ 133, 125, 126, 80, 1210, 1210, 1047, 1050, 1037, 1037, + /* 310 */ 123, 123, 124, 124, 124, 124, 122, 122, 122, 122, + /* 320 */ 121, 121, 120, 120, 120, 119, 116, 444, 1038, 546, + /* 330 */ 1186, 373, 1186, 1187, 1186, 252, 1429, 399, 504, 501, + /* 340 */ 500, 111, 560, 566, 4, 924, 924, 433, 499, 340, + /* 350 */ 460, 328, 360, 394, 1231, 1186, 1187, 1186, 563, 568, + /* 360 */ 122, 122, 122, 122, 121, 121, 120, 120, 120, 119, + /* 370 */ 116, 444, 284, 284, 369, 1572, 1598, 441, 440, 154, + /* 380 */ 409, 445, 71, 71, 1282, 565, 1215, 1186, 1187, 1186, + /* 390 */ 85, 1217, 271, 557, 543, 515, 515, 568, 98, 1216, + /* 400 */ 6, 1274, 472, 142, 125, 126, 80, 1210, 1210, 1047, + /* 410 */ 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, 550, + /* 420 */ 13, 13, 1024, 507, 1218, 1186, 1218, 549, 109, 109, + /* 430 */ 222, 568, 1232, 175, 568, 427, 110, 197, 445, 569, + /* 440 */ 445, 430, 1546, 1014, 325, 551, 1186, 270, 287, 368, + /* 450 */ 510, 363, 509, 257, 71, 71, 543, 71, 71, 359, + /* 460 */ 316, 559, 1604, 122, 122, 122, 122, 121, 121, 120, + /* 470 */ 120, 120, 119, 116, 444, 1014, 1014, 1016, 1017, 27, + /* 480 */ 284, 284, 1186, 1187, 1186, 1152, 568, 1603, 409, 899, + /* 490 */ 190, 550, 356, 565, 550, 935, 533, 517, 1152, 516, + /* 500 */ 413, 1152, 552, 1186, 1187, 1186, 568, 544, 544, 51, + /* 510 */ 51, 214, 125, 126, 80, 1210, 1210, 1047, 1050, 1037, + /* 520 */ 1037, 123, 123, 124, 124, 124, 124, 1186, 474, 135, + /* 530 */ 135, 409, 284, 284, 1484, 505, 121, 121, 120, 120, + /* 540 */ 120, 119, 116, 444, 1005, 565, 518, 217, 541, 541, + /* 550 */ 316, 559, 142, 6, 532, 125, 126, 80, 1210, 1210, + /* 560 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, + /* 570 */ 1548, 122, 122, 122, 122, 121, 121, 120, 120, 120, + /* 580 */ 119, 116, 444, 485, 1186, 1187, 1186, 482, 281, 1263, + /* 590 */ 955, 252, 1186, 373, 504, 501, 500, 1186, 340, 570, + /* 600 */ 1186, 570, 409, 292, 499, 955, 874, 191, 480, 316, + /* 610 */ 559, 384, 290, 380, 122, 122, 122, 122, 121, 121, + /* 620 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 630 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 640 */ 124, 409, 394, 1132, 1186, 867, 100, 284, 284, 1186, + /* 650 */ 1187, 1186, 373, 1089, 1186, 1187, 1186, 1186, 1187, 1186, + /* 660 */ 565, 455, 32, 373, 233, 125, 126, 80, 1210, 1210, + /* 670 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, + /* 680 */ 1428, 957, 568, 228, 956, 122, 122, 122, 122, 121, + /* 690 */ 121, 120, 120, 120, 119, 116, 444, 1152, 228, 1186, + /* 700 */ 157, 1186, 1187, 1186, 1547, 13, 13, 301, 955, 1226, + /* 710 */ 1152, 153, 409, 1152, 373, 1575, 1170, 5, 369, 1572, + /* 720 */ 429, 1232, 3, 955, 122, 122, 122, 122, 121, 121, + /* 730 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 740 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 750 */ 124, 409, 208, 567, 1186, 1025, 1186, 1187, 1186, 1186, + /* 760 */ 388, 850, 155, 1546, 286, 402, 1094, 1094, 488, 568, + /* 770 */ 465, 342, 1315, 1315, 1546, 125, 126, 80, 1210, 1210, + /* 780 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, + /* 790 */ 129, 568, 13, 13, 374, 122, 122, 122, 122, 121, + /* 800 */ 121, 120, 120, 120, 119, 116, 444, 302, 568, 453, + /* 810 */ 528, 1186, 1187, 1186, 13, 13, 1186, 1187, 1186, 1293, + /* 820 */ 463, 1263, 409, 1313, 1313, 1546, 1010, 453, 452, 200, + /* 830 */ 299, 71, 71, 1261, 122, 122, 122, 122, 121, 121, + /* 840 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 850 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 860 */ 124, 409, 227, 1069, 1152, 284, 284, 419, 312, 278, + /* 870 */ 278, 285, 285, 1415, 406, 405, 382, 1152, 565, 568, + /* 880 */ 1152, 1189, 565, 1592, 565, 125, 126, 80, 1210, 1210, + /* 890 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, + /* 900 */ 453, 1476, 13, 13, 1530, 122, 122, 122, 122, 121, + /* 910 */ 121, 120, 120, 120, 119, 116, 444, 201, 568, 354, + /* 920 */ 1578, 574, 2, 1241, 838, 839, 840, 1554, 317, 1205, + /* 930 */ 146, 6, 409, 255, 254, 253, 206, 1323, 9, 1189, + /* 940 */ 262, 71, 71, 424, 122, 122, 122, 122, 121, 121, + /* 950 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 960 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 970 */ 124, 568, 284, 284, 568, 1206, 409, 573, 313, 1241, + /* 980 */ 349, 1292, 352, 419, 317, 565, 146, 491, 525, 1635, + /* 990 */ 395, 371, 491, 1323, 70, 70, 1291, 71, 71, 240, + /* 1000 */ 1321, 104, 80, 1210, 1210, 1047, 1050, 1037, 1037, 123, + /* 1010 */ 123, 124, 124, 124, 124, 122, 122, 122, 122, 121, + /* 1020 */ 121, 120, 120, 120, 119, 116, 444, 1110, 284, 284, + /* 1030 */ 428, 448, 1519, 1206, 439, 284, 284, 1483, 1348, 311, + /* 1040 */ 474, 565, 1111, 969, 491, 491, 217, 1259, 565, 1532, + /* 1050 */ 568, 970, 207, 568, 1024, 240, 383, 1112, 519, 122, + /* 1060 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, + /* 1070 */ 444, 1015, 107, 71, 71, 1014, 13, 13, 910, 568, + /* 1080 */ 1489, 568, 284, 284, 97, 526, 491, 448, 911, 1322, + /* 1090 */ 1318, 545, 409, 284, 284, 565, 151, 209, 1489, 1491, + /* 1100 */ 262, 450, 55, 55, 56, 56, 565, 1014, 1014, 1016, + /* 1110 */ 443, 332, 409, 527, 12, 295, 125, 126, 80, 1210, + /* 1120 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1130 */ 124, 347, 409, 862, 1528, 1206, 125, 126, 80, 1210, + /* 1140 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1150 */ 124, 1133, 1633, 474, 1633, 371, 125, 114, 80, 1210, + /* 1160 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1170 */ 124, 1489, 329, 474, 331, 122, 122, 122, 122, 121, + /* 1180 */ 121, 120, 120, 120, 119, 116, 444, 203, 1415, 568, + /* 1190 */ 1290, 862, 464, 1206, 436, 122, 122, 122, 122, 121, + /* 1200 */ 121, 120, 120, 120, 119, 116, 444, 553, 1133, 1634, + /* 1210 */ 539, 1634, 15, 15, 890, 122, 122, 122, 122, 121, + /* 1220 */ 121, 120, 120, 120, 119, 116, 444, 568, 298, 538, + /* 1230 */ 1131, 1415, 1552, 1553, 1327, 409, 6, 6, 1163, 1264, + /* 1240 */ 415, 320, 284, 284, 1415, 508, 565, 525, 300, 457, + /* 1250 */ 43, 43, 568, 891, 12, 565, 330, 478, 425, 407, + /* 1260 */ 126, 80, 1210, 1210, 1047, 1050, 1037, 1037, 123, 123, + /* 1270 */ 124, 124, 124, 124, 568, 57, 57, 288, 1186, 1415, + /* 1280 */ 496, 458, 392, 392, 391, 273, 389, 1131, 1551, 847, + /* 1290 */ 1163, 407, 6, 568, 321, 1152, 470, 44, 44, 1550, + /* 1300 */ 1110, 426, 234, 6, 323, 256, 540, 256, 1152, 431, + /* 1310 */ 568, 1152, 322, 17, 487, 1111, 58, 58, 122, 122, + /* 1320 */ 122, 122, 121, 121, 120, 120, 120, 119, 116, 444, + /* 1330 */ 1112, 216, 481, 59, 59, 1186, 1187, 1186, 111, 560, + /* 1340 */ 324, 4, 236, 456, 526, 568, 237, 456, 568, 437, + /* 1350 */ 168, 556, 420, 141, 479, 563, 568, 293, 568, 1091, + /* 1360 */ 568, 293, 568, 1091, 531, 568, 870, 8, 60, 60, + /* 1370 */ 235, 61, 61, 568, 414, 568, 414, 568, 445, 62, + /* 1380 */ 62, 45, 45, 46, 46, 47, 47, 199, 49, 49, + /* 1390 */ 557, 568, 359, 568, 100, 486, 50, 50, 63, 63, + /* 1400 */ 64, 64, 561, 415, 535, 410, 568, 1024, 568, 534, + /* 1410 */ 316, 559, 316, 559, 65, 65, 14, 14, 568, 1024, + /* 1420 */ 568, 512, 930, 870, 1015, 109, 109, 929, 1014, 66, + /* 1430 */ 66, 131, 131, 110, 451, 445, 569, 445, 416, 177, + /* 1440 */ 1014, 132, 132, 67, 67, 568, 467, 568, 930, 471, + /* 1450 */ 1360, 283, 226, 929, 315, 1359, 407, 568, 459, 407, + /* 1460 */ 1014, 1014, 1016, 239, 407, 86, 213, 1346, 52, 52, + /* 1470 */ 68, 68, 1014, 1014, 1016, 1017, 27, 1577, 1174, 447, + /* 1480 */ 69, 69, 288, 97, 108, 1535, 106, 392, 392, 391, + /* 1490 */ 273, 389, 568, 877, 847, 881, 568, 111, 560, 466, + /* 1500 */ 4, 568, 152, 30, 38, 568, 1128, 234, 396, 323, + /* 1510 */ 111, 560, 527, 4, 563, 53, 53, 322, 568, 163, + /* 1520 */ 163, 568, 337, 468, 164, 164, 333, 563, 76, 76, + /* 1530 */ 568, 289, 1508, 568, 31, 1507, 568, 445, 338, 483, + /* 1540 */ 100, 54, 54, 344, 72, 72, 296, 236, 1076, 557, + /* 1550 */ 445, 877, 1356, 134, 134, 168, 73, 73, 141, 161, + /* 1560 */ 161, 1566, 557, 535, 568, 319, 568, 348, 536, 1007, + /* 1570 */ 473, 261, 261, 889, 888, 235, 535, 568, 1024, 568, + /* 1580 */ 475, 534, 261, 367, 109, 109, 521, 136, 136, 130, + /* 1590 */ 130, 1024, 110, 366, 445, 569, 445, 109, 109, 1014, + /* 1600 */ 162, 162, 156, 156, 568, 110, 1076, 445, 569, 445, + /* 1610 */ 410, 351, 1014, 568, 353, 316, 559, 568, 343, 568, + /* 1620 */ 100, 497, 357, 258, 100, 896, 897, 140, 140, 355, + /* 1630 */ 1306, 1014, 1014, 1016, 1017, 27, 139, 139, 362, 451, + /* 1640 */ 137, 137, 138, 138, 1014, 1014, 1016, 1017, 27, 1174, + /* 1650 */ 447, 568, 372, 288, 111, 560, 1018, 4, 392, 392, + /* 1660 */ 391, 273, 389, 568, 1137, 847, 568, 1072, 568, 258, + /* 1670 */ 492, 563, 568, 211, 75, 75, 555, 960, 234, 261, + /* 1680 */ 323, 111, 560, 927, 4, 113, 77, 77, 322, 74, + /* 1690 */ 74, 42, 42, 1369, 445, 48, 48, 1414, 563, 972, + /* 1700 */ 973, 1088, 1087, 1088, 1087, 860, 557, 150, 928, 1342, + /* 1710 */ 113, 1354, 554, 1419, 1018, 1271, 1262, 1250, 236, 1249, + /* 1720 */ 1251, 445, 1585, 1339, 308, 276, 168, 309, 11, 141, + /* 1730 */ 393, 310, 232, 557, 1401, 1024, 335, 291, 1396, 219, + /* 1740 */ 336, 109, 109, 934, 297, 1406, 235, 341, 477, 110, + /* 1750 */ 502, 445, 569, 445, 1389, 1405, 1014, 400, 1289, 365, + /* 1760 */ 223, 1480, 1024, 1479, 1351, 1352, 1350, 1349, 109, 109, + /* 1770 */ 204, 1588, 1226, 558, 265, 218, 110, 205, 445, 569, + /* 1780 */ 445, 410, 387, 1014, 1527, 179, 316, 559, 1014, 1014, + /* 1790 */ 1016, 1017, 27, 230, 1525, 1223, 79, 560, 85, 4, + /* 1800 */ 418, 215, 548, 81, 84, 188, 1402, 173, 181, 461, + /* 1810 */ 451, 35, 462, 563, 183, 1014, 1014, 1016, 1017, 27, + /* 1820 */ 184, 1485, 185, 186, 495, 242, 98, 398, 1408, 36, + /* 1830 */ 1407, 484, 91, 469, 401, 1410, 445, 192, 1474, 246, + /* 1840 */ 1496, 490, 346, 277, 248, 196, 493, 511, 557, 350, + /* 1850 */ 1252, 249, 250, 403, 1309, 1308, 111, 560, 432, 4, + /* 1860 */ 1307, 1300, 93, 1602, 881, 1601, 224, 404, 434, 520, + /* 1870 */ 263, 435, 1571, 563, 1279, 1278, 364, 1024, 306, 1277, + /* 1880 */ 264, 1600, 1557, 109, 109, 370, 1299, 307, 1556, 438, + /* 1890 */ 128, 110, 1374, 445, 569, 445, 445, 546, 1014, 10, + /* 1900 */ 1461, 105, 381, 1373, 34, 571, 99, 1332, 557, 314, + /* 1910 */ 1180, 530, 272, 274, 379, 210, 1331, 547, 385, 386, + /* 1920 */ 275, 572, 1247, 1242, 411, 412, 1512, 165, 178, 1513, + /* 1930 */ 1014, 1014, 1016, 1017, 27, 1511, 1510, 1024, 78, 147, + /* 1940 */ 166, 220, 221, 109, 109, 834, 304, 167, 446, 212, + /* 1950 */ 318, 110, 231, 445, 569, 445, 144, 1086, 1014, 1084, + /* 1960 */ 326, 180, 169, 1205, 182, 334, 238, 913, 241, 1100, + /* 1970 */ 187, 170, 171, 421, 87, 88, 423, 189, 89, 90, + /* 1980 */ 172, 1103, 243, 1099, 244, 158, 18, 245, 345, 247, + /* 1990 */ 1014, 1014, 1016, 1017, 27, 261, 1092, 193, 1220, 489, + /* 2000 */ 194, 37, 366, 849, 494, 251, 195, 506, 92, 19, + /* 2010 */ 498, 358, 20, 503, 879, 361, 94, 892, 305, 159, + /* 2020 */ 513, 39, 95, 1168, 160, 1053, 964, 1139, 96, 174, + /* 2030 */ 1138, 225, 280, 282, 198, 958, 113, 1158, 1154, 260, + /* 2040 */ 21, 22, 23, 1156, 1162, 1161, 1143, 24, 33, 25, + /* 2050 */ 202, 542, 26, 100, 1067, 102, 1054, 103, 7, 1052, + /* 2060 */ 1056, 1109, 1057, 1108, 266, 267, 28, 40, 390, 1019, + /* 2070 */ 861, 112, 29, 564, 1176, 1175, 268, 176, 143, 923, + /* 2080 */ 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, + /* 2090 */ 1238, 1238, 1238, 1238, 269, 1593, }; static const YYCODETYPE yy_lookahead[] = { - /* 0 */ 189, 211, 189, 189, 218, 189, 220, 189, 267, 268, - /* 10 */ 269, 189, 210, 189, 228, 189, 267, 268, 269, 19, - /* 20 */ 218, 189, 211, 212, 211, 212, 211, 211, 212, 211, - /* 30 */ 212, 31, 211, 211, 212, 211, 212, 288, 300, 39, - /* 40 */ 21, 189, 304, 43, 44, 45, 46, 47, 48, 49, - /* 50 */ 50, 51, 52, 53, 54, 55, 56, 57, 225, 19, - /* 60 */ 189, 183, 184, 185, 186, 189, 248, 263, 236, 191, - /* 70 */ 248, 193, 248, 197, 208, 257, 262, 201, 200, 257, - /* 80 */ 200, 257, 81, 43, 44, 45, 46, 47, 48, 49, - /* 90 */ 50, 51, 52, 53, 54, 55, 56, 57, 189, 80, - /* 100 */ 189, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 110 */ 110, 111, 234, 235, 234, 235, 305, 306, 305, 118, - /* 120 */ 307, 305, 306, 297, 298, 247, 86, 247, 88, 19, - /* 130 */ 259, 251, 252, 267, 268, 269, 26, 136, 137, 261, - /* 140 */ 121, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 150 */ 110, 111, 59, 43, 44, 45, 46, 47, 48, 49, - /* 160 */ 50, 51, 52, 53, 54, 55, 56, 57, 259, 291, - /* 170 */ 105, 106, 107, 108, 109, 110, 111, 158, 189, 69, - /* 180 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - /* 190 */ 111, 107, 108, 109, 110, 111, 205, 206, 207, 19, - /* 200 */ 19, 54, 55, 56, 57, 58, 29, 114, 115, 116, - /* 210 */ 33, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 220 */ 110, 111, 233, 43, 44, 45, 46, 47, 48, 49, - /* 230 */ 50, 51, 52, 53, 54, 55, 56, 57, 19, 126, - /* 240 */ 127, 148, 65, 24, 214, 200, 59, 67, 101, 102, - /* 250 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 22, - /* 260 */ 189, 111, 43, 44, 45, 46, 47, 48, 49, 50, - /* 270 */ 51, 52, 53, 54, 55, 56, 57, 206, 207, 234, - /* 280 */ 235, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 290 */ 110, 111, 247, 76, 107, 114, 59, 267, 268, 269, - /* 300 */ 189, 114, 115, 116, 162, 163, 89, 19, 263, 92, - /* 310 */ 189, 23, 54, 55, 56, 57, 189, 206, 207, 22, - /* 320 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - /* 330 */ 111, 43, 44, 45, 46, 47, 48, 49, 50, 51, - /* 340 */ 52, 53, 54, 55, 56, 57, 19, 189, 277, 59, - /* 350 */ 23, 114, 115, 116, 46, 47, 48, 49, 61, 101, + /* 0 */ 193, 193, 193, 274, 275, 276, 193, 274, 275, 276, + /* 10 */ 193, 223, 219, 225, 206, 210, 211, 212, 193, 19, + /* 20 */ 219, 233, 216, 216, 217, 216, 217, 193, 295, 216, + /* 30 */ 217, 31, 193, 216, 217, 193, 228, 213, 230, 39, + /* 40 */ 206, 216, 217, 43, 44, 45, 46, 47, 48, 49, + /* 50 */ 50, 51, 52, 53, 54, 55, 56, 57, 193, 19, + /* 60 */ 185, 186, 187, 188, 189, 190, 253, 274, 275, 276, + /* 70 */ 195, 193, 197, 193, 261, 274, 275, 276, 253, 204, + /* 80 */ 238, 204, 81, 43, 44, 45, 46, 47, 48, 49, + /* 90 */ 50, 51, 52, 53, 54, 55, 56, 57, 274, 275, + /* 100 */ 276, 262, 102, 103, 104, 105, 106, 107, 108, 109, + /* 110 */ 110, 111, 112, 113, 239, 240, 239, 240, 210, 211, + /* 120 */ 212, 314, 315, 314, 59, 316, 86, 252, 88, 252, + /* 130 */ 19, 314, 315, 256, 257, 113, 25, 72, 296, 138, + /* 140 */ 139, 266, 102, 103, 104, 105, 106, 107, 108, 109, + /* 150 */ 110, 111, 112, 113, 43, 44, 45, 46, 47, 48, + /* 160 */ 49, 50, 51, 52, 53, 54, 55, 56, 57, 81, + /* 170 */ 292, 59, 292, 298, 108, 109, 110, 111, 112, 113, + /* 180 */ 69, 116, 117, 118, 72, 106, 107, 193, 111, 112, + /* 190 */ 113, 54, 55, 56, 57, 58, 102, 103, 104, 105, + /* 200 */ 106, 107, 108, 109, 110, 111, 112, 113, 120, 25, + /* 210 */ 216, 217, 145, 102, 103, 104, 105, 106, 107, 108, + /* 220 */ 109, 110, 111, 112, 113, 231, 138, 139, 116, 117, + /* 230 */ 118, 164, 153, 19, 155, 54, 55, 56, 57, 102, + /* 240 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, + /* 250 */ 113, 128, 129, 46, 47, 48, 49, 43, 44, 45, + /* 260 */ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + /* 270 */ 56, 57, 216, 193, 25, 59, 193, 19, 165, 166, + /* 280 */ 193, 67, 24, 102, 103, 104, 105, 106, 107, 108, + /* 290 */ 109, 110, 111, 112, 113, 73, 216, 217, 59, 216, + /* 300 */ 217, 43, 44, 45, 46, 47, 48, 49, 50, 51, + /* 310 */ 52, 53, 54, 55, 56, 57, 102, 103, 104, 105, + /* 320 */ 106, 107, 108, 109, 110, 111, 112, 113, 121, 145, + /* 330 */ 59, 193, 116, 117, 118, 119, 273, 204, 122, 123, + /* 340 */ 124, 19, 20, 134, 22, 136, 137, 19, 132, 127, + /* 350 */ 128, 129, 24, 22, 23, 116, 117, 118, 36, 193, /* 360 */ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, - /* 370 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 380 */ 53, 54, 55, 56, 57, 125, 126, 127, 277, 101, - /* 390 */ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, - /* 400 */ 59, 189, 189, 276, 114, 115, 116, 117, 73, 59, - /* 410 */ 120, 121, 122, 72, 214, 19, 81, 259, 19, 23, - /* 420 */ 130, 81, 72, 24, 211, 212, 221, 119, 101, 102, - /* 430 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 43, - /* 440 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, - /* 450 */ 54, 55, 56, 57, 19, 114, 115, 116, 23, 208, - /* 460 */ 125, 248, 189, 189, 114, 115, 116, 267, 268, 269, - /* 470 */ 189, 136, 137, 189, 262, 22, 136, 137, 43, 44, - /* 480 */ 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - /* 490 */ 55, 56, 57, 189, 95, 211, 212, 101, 102, 103, - /* 500 */ 104, 105, 106, 107, 108, 109, 110, 111, 59, 189, - /* 510 */ 111, 189, 59, 76, 294, 295, 117, 118, 119, 120, - /* 520 */ 121, 122, 123, 19, 87, 189, 89, 23, 129, 92, - /* 530 */ 279, 227, 248, 22, 189, 284, 101, 102, 103, 104, - /* 540 */ 105, 106, 107, 108, 109, 110, 111, 43, 44, 45, - /* 550 */ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, - /* 560 */ 56, 57, 19, 114, 115, 116, 23, 114, 115, 116, - /* 570 */ 59, 117, 299, 300, 120, 121, 122, 304, 189, 189, - /* 580 */ 143, 189, 110, 111, 130, 22, 43, 44, 45, 46, - /* 590 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 600 */ 57, 211, 212, 211, 212, 101, 102, 103, 104, 105, - /* 610 */ 106, 107, 108, 109, 110, 111, 226, 189, 226, 189, - /* 620 */ 298, 132, 59, 134, 135, 114, 115, 116, 189, 59, - /* 630 */ 285, 19, 7, 8, 9, 23, 205, 206, 207, 211, - /* 640 */ 212, 211, 212, 221, 101, 102, 103, 104, 105, 106, - /* 650 */ 107, 108, 109, 110, 111, 43, 44, 45, 46, 47, - /* 660 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, - /* 670 */ 19, 181, 182, 183, 184, 185, 186, 114, 115, 116, - /* 680 */ 189, 191, 133, 193, 114, 115, 116, 138, 299, 300, - /* 690 */ 200, 22, 201, 304, 43, 44, 45, 46, 47, 48, - /* 700 */ 49, 50, 51, 52, 53, 54, 55, 56, 57, 35, - /* 710 */ 189, 141, 189, 101, 102, 103, 104, 105, 106, 107, - /* 720 */ 108, 109, 110, 111, 234, 235, 22, 23, 59, 184, - /* 730 */ 26, 186, 211, 212, 211, 212, 191, 247, 193, 19, - /* 740 */ 66, 105, 106, 73, 189, 200, 189, 226, 74, 226, - /* 750 */ 22, 261, 101, 102, 103, 104, 105, 106, 107, 108, - /* 760 */ 109, 110, 111, 43, 44, 45, 46, 47, 48, 49, - /* 770 */ 50, 51, 52, 53, 54, 55, 56, 57, 189, 234, - /* 780 */ 235, 291, 19, 114, 115, 116, 150, 59, 152, 189, - /* 790 */ 233, 236, 247, 59, 189, 125, 126, 127, 59, 300, - /* 800 */ 211, 212, 128, 304, 100, 19, 261, 156, 45, 46, - /* 810 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 820 */ 57, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 830 */ 110, 111, 46, 233, 189, 189, 291, 248, 99, 189, - /* 840 */ 125, 126, 127, 115, 26, 200, 289, 230, 231, 115, - /* 850 */ 200, 16, 189, 114, 115, 189, 211, 212, 119, 221, - /* 860 */ 189, 211, 212, 258, 101, 102, 103, 104, 105, 106, - /* 870 */ 107, 108, 109, 110, 111, 189, 156, 211, 212, 234, - /* 880 */ 235, 189, 211, 212, 234, 235, 22, 201, 189, 150, - /* 890 */ 151, 152, 247, 248, 76, 16, 19, 247, 248, 113, - /* 900 */ 189, 24, 257, 211, 212, 189, 26, 89, 262, 223, - /* 910 */ 92, 225, 77, 189, 79, 129, 19, 53, 226, 248, - /* 920 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 930 */ 53, 54, 55, 56, 57, 236, 19, 271, 189, 99, - /* 940 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 950 */ 53, 54, 55, 56, 57, 115, 77, 59, 79, 119, - /* 960 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 970 */ 53, 54, 55, 56, 57, 259, 22, 23, 101, 102, - /* 980 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 59, - /* 990 */ 150, 151, 152, 158, 22, 244, 24, 246, 101, 102, - /* 1000 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 285, - /* 1010 */ 189, 189, 114, 115, 116, 200, 136, 137, 101, 102, - /* 1020 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 230, - /* 1030 */ 231, 59, 211, 212, 285, 105, 106, 189, 19, 141, - /* 1040 */ 234, 235, 239, 113, 114, 115, 116, 226, 118, 234, - /* 1050 */ 235, 189, 249, 247, 100, 189, 126, 23, 236, 107, - /* 1060 */ 26, 189, 247, 44, 45, 46, 47, 48, 49, 50, - /* 1070 */ 51, 52, 53, 54, 55, 56, 57, 211, 212, 59, - /* 1080 */ 150, 233, 152, 211, 212, 133, 12, 115, 189, 189, - /* 1090 */ 138, 19, 20, 300, 22, 233, 76, 304, 226, 11, - /* 1100 */ 208, 27, 22, 23, 200, 19, 26, 87, 36, 89, - /* 1110 */ 211, 212, 92, 300, 248, 189, 42, 304, 189, 250, - /* 1120 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - /* 1130 */ 111, 59, 200, 233, 114, 115, 116, 63, 234, 235, - /* 1140 */ 235, 19, 20, 71, 22, 300, 189, 73, 200, 304, - /* 1150 */ 116, 247, 247, 81, 189, 200, 227, 26, 36, 234, - /* 1160 */ 235, 203, 204, 143, 200, 26, 234, 235, 194, 200, - /* 1170 */ 48, 99, 247, 66, 189, 141, 284, 105, 106, 247, - /* 1180 */ 100, 59, 234, 235, 112, 259, 114, 115, 116, 234, - /* 1190 */ 235, 119, 85, 71, 266, 247, 211, 212, 234, 235, - /* 1200 */ 114, 94, 247, 234, 235, 12, 266, 85, 136, 137, - /* 1210 */ 189, 247, 90, 26, 126, 127, 247, 189, 26, 22, - /* 1220 */ 27, 99, 150, 151, 152, 153, 154, 105, 106, 189, - /* 1230 */ 302, 303, 211, 212, 112, 42, 114, 115, 116, 211, - /* 1240 */ 212, 119, 302, 303, 19, 20, 189, 22, 274, 189, - /* 1250 */ 15, 144, 278, 189, 22, 23, 63, 189, 189, 203, - /* 1260 */ 204, 36, 136, 137, 155, 24, 157, 143, 211, 212, - /* 1270 */ 189, 140, 150, 151, 152, 153, 154, 0, 1, 2, - /* 1280 */ 211, 212, 5, 46, 59, 161, 147, 10, 11, 12, - /* 1290 */ 13, 14, 211, 212, 17, 60, 71, 189, 258, 189, - /* 1300 */ 59, 189, 105, 106, 189, 189, 189, 30, 116, 32, - /* 1310 */ 85, 124, 189, 251, 252, 90, 189, 40, 258, 211, - /* 1320 */ 212, 211, 212, 189, 99, 26, 211, 212, 211, 212, - /* 1330 */ 105, 106, 100, 141, 211, 212, 119, 112, 189, 114, - /* 1340 */ 115, 116, 23, 189, 119, 26, 129, 70, 189, 31, - /* 1350 */ 113, 19, 20, 24, 22, 78, 115, 39, 81, 189, - /* 1360 */ 211, 212, 26, 189, 22, 211, 212, 189, 36, 189, - /* 1370 */ 211, 212, 189, 189, 97, 150, 151, 152, 153, 154, - /* 1380 */ 127, 211, 212, 189, 189, 211, 212, 189, 189, 211, - /* 1390 */ 212, 59, 189, 189, 211, 212, 23, 189, 22, 26, - /* 1400 */ 24, 189, 149, 71, 189, 211, 212, 189, 131, 211, - /* 1410 */ 212, 189, 189, 136, 137, 211, 212, 85, 189, 211, - /* 1420 */ 212, 59, 90, 211, 212, 292, 293, 118, 119, 211, - /* 1430 */ 212, 99, 23, 211, 212, 26, 159, 105, 106, 189, - /* 1440 */ 211, 212, 143, 150, 112, 152, 114, 115, 116, 1, - /* 1450 */ 2, 119, 23, 5, 23, 26, 189, 26, 10, 11, - /* 1460 */ 12, 13, 14, 83, 84, 17, 253, 189, 139, 189, - /* 1470 */ 19, 20, 189, 22, 189, 189, 140, 115, 30, 59, - /* 1480 */ 32, 139, 150, 151, 152, 153, 154, 36, 40, 211, - /* 1490 */ 212, 211, 212, 59, 211, 212, 211, 212, 7, 8, - /* 1500 */ 19, 20, 189, 22, 150, 189, 152, 231, 281, 189, - /* 1510 */ 59, 189, 23, 189, 189, 26, 189, 36, 70, 189, - /* 1520 */ 23, 237, 71, 26, 211, 212, 78, 211, 212, 81, - /* 1530 */ 189, 211, 212, 211, 212, 115, 211, 212, 211, 212, - /* 1540 */ 59, 211, 212, 23, 23, 97, 26, 26, 23, 115, - /* 1550 */ 99, 26, 71, 189, 189, 189, 105, 106, 107, 23, - /* 1560 */ 189, 23, 26, 112, 26, 114, 115, 116, 189, 309, - /* 1570 */ 119, 23, 19, 20, 26, 22, 189, 211, 212, 131, - /* 1580 */ 99, 189, 211, 212, 136, 137, 105, 106, 189, 36, - /* 1590 */ 211, 212, 189, 112, 189, 114, 115, 116, 211, 212, - /* 1600 */ 119, 150, 151, 152, 153, 154, 189, 159, 23, 250, - /* 1610 */ 189, 26, 59, 189, 189, 189, 189, 189, 280, 189, - /* 1620 */ 250, 189, 189, 238, 71, 189, 189, 250, 211, 212, - /* 1630 */ 187, 150, 151, 152, 153, 154, 211, 212, 250, 290, - /* 1640 */ 240, 211, 212, 211, 212, 254, 286, 209, 254, 241, - /* 1650 */ 240, 254, 99, 286, 215, 220, 214, 244, 105, 106, - /* 1660 */ 214, 214, 244, 273, 224, 112, 192, 114, 115, 116, - /* 1670 */ 60, 290, 119, 5, 139, 196, 196, 38, 10, 11, - /* 1680 */ 12, 13, 14, 238, 240, 17, 196, 148, 287, 287, - /* 1690 */ 276, 113, 22, 147, 241, 43, 229, 241, 30, 18, - /* 1700 */ 32, 232, 232, 150, 151, 152, 153, 154, 40, 232, - /* 1710 */ 232, 196, 18, 195, 265, 265, 264, 241, 264, 196, - /* 1720 */ 155, 229, 229, 241, 241, 241, 195, 62, 196, 195, - /* 1730 */ 22, 113, 216, 196, 222, 195, 195, 282, 70, 196, - /* 1740 */ 283, 213, 216, 213, 64, 22, 78, 124, 219, 81, - /* 1750 */ 162, 111, 219, 142, 256, 213, 113, 255, 213, 256, - /* 1760 */ 216, 303, 215, 213, 213, 97, 255, 213, 216, 275, - /* 1770 */ 275, 222, 216, 256, 255, 196, 91, 82, 256, 255, - /* 1780 */ 308, 308, 146, 22, 143, 196, 155, 260, 25, 145, - /* 1790 */ 144, 199, 26, 198, 13, 190, 190, 6, 293, 131, - /* 1800 */ 188, 188, 245, 244, 136, 137, 245, 243, 242, 241, - /* 1810 */ 188, 202, 208, 217, 217, 260, 208, 4, 202, 3, - /* 1820 */ 22, 202, 208, 208, 160, 15, 209, 159, 270, 209, - /* 1830 */ 98, 16, 272, 208, 23, 23, 137, 148, 128, 20, - /* 1840 */ 140, 24, 16, 142, 1, 140, 149, 128, 61, 53, - /* 1850 */ 148, 37, 53, 53, 53, 128, 114, 34, 296, 296, - /* 1860 */ 139, 1, 5, 22, 113, 158, 26, 75, 41, 139, - /* 1870 */ 68, 68, 113, 24, 20, 19, 129, 123, 23, 96, - /* 1880 */ 22, 22, 37, 22, 22, 67, 22, 67, 59, 24, - /* 1890 */ 23, 28, 67, 147, 22, 26, 23, 23, 23, 23, - /* 1900 */ 22, 24, 23, 22, 24, 23, 139, 23, 114, 22, - /* 1910 */ 141, 26, 88, 75, 86, 44, 23, 34, 22, 75, - /* 1920 */ 34, 24, 34, 34, 34, 93, 34, 26, 26, 34, - /* 1930 */ 23, 23, 23, 23, 23, 11, 23, 22, 26, 22, - /* 1940 */ 22, 133, 23, 23, 22, 22, 139, 26, 139, 23, - /* 1950 */ 15, 1, 1, 310, 310, 310, 310, 310, 310, 310, - /* 1960 */ 139, 139, 310, 310, 310, 310, 310, 310, 310, 310, - /* 1970 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 1980 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 1990 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2000 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2010 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2020 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2030 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2040 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2050 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2060 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2070 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2080 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2090 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2100 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2110 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2120 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2130 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, - /* 2140 */ 310, 310, 310, + /* 370 */ 112, 113, 239, 240, 311, 312, 215, 106, 107, 241, + /* 380 */ 19, 59, 216, 217, 223, 252, 115, 116, 117, 118, + /* 390 */ 151, 120, 26, 71, 193, 308, 309, 193, 149, 128, + /* 400 */ 313, 216, 269, 81, 43, 44, 45, 46, 47, 48, + /* 410 */ 49, 50, 51, 52, 53, 54, 55, 56, 57, 253, + /* 420 */ 216, 217, 100, 95, 153, 59, 155, 261, 106, 107, + /* 430 */ 25, 193, 101, 193, 193, 231, 114, 25, 116, 117, + /* 440 */ 118, 113, 304, 121, 193, 204, 59, 119, 120, 121, + /* 450 */ 122, 123, 124, 125, 216, 217, 193, 216, 217, 131, + /* 460 */ 138, 139, 230, 102, 103, 104, 105, 106, 107, 108, + /* 470 */ 109, 110, 111, 112, 113, 153, 154, 155, 156, 157, + /* 480 */ 239, 240, 116, 117, 118, 76, 193, 23, 19, 25, + /* 490 */ 22, 253, 23, 252, 253, 108, 87, 204, 89, 261, + /* 500 */ 198, 92, 261, 116, 117, 118, 193, 306, 307, 216, + /* 510 */ 217, 150, 43, 44, 45, 46, 47, 48, 49, 50, + /* 520 */ 51, 52, 53, 54, 55, 56, 57, 59, 193, 216, + /* 530 */ 217, 19, 239, 240, 283, 23, 106, 107, 108, 109, + /* 540 */ 110, 111, 112, 113, 73, 252, 253, 142, 308, 309, + /* 550 */ 138, 139, 81, 313, 145, 43, 44, 45, 46, 47, + /* 560 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + /* 570 */ 307, 102, 103, 104, 105, 106, 107, 108, 109, 110, + /* 580 */ 111, 112, 113, 281, 116, 117, 118, 285, 23, 193, + /* 590 */ 25, 119, 59, 193, 122, 123, 124, 59, 127, 203, + /* 600 */ 59, 205, 19, 268, 132, 25, 23, 22, 193, 138, + /* 610 */ 139, 249, 204, 251, 102, 103, 104, 105, 106, 107, + /* 620 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, + /* 630 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 640 */ 57, 19, 22, 23, 59, 23, 25, 239, 240, 116, + /* 650 */ 117, 118, 193, 11, 116, 117, 118, 116, 117, 118, + /* 660 */ 252, 269, 22, 193, 15, 43, 44, 45, 46, 47, + /* 670 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + /* 680 */ 273, 143, 193, 118, 143, 102, 103, 104, 105, 106, + /* 690 */ 107, 108, 109, 110, 111, 112, 113, 76, 118, 59, + /* 700 */ 241, 116, 117, 118, 304, 216, 217, 292, 143, 60, + /* 710 */ 89, 241, 19, 92, 193, 193, 23, 22, 311, 312, + /* 720 */ 231, 101, 22, 143, 102, 103, 104, 105, 106, 107, + /* 730 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, + /* 740 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 750 */ 57, 19, 193, 193, 59, 23, 116, 117, 118, 59, + /* 760 */ 201, 21, 241, 304, 22, 206, 127, 128, 129, 193, + /* 770 */ 128, 129, 235, 236, 304, 43, 44, 45, 46, 47, + /* 780 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + /* 790 */ 22, 193, 216, 217, 193, 102, 103, 104, 105, 106, + /* 800 */ 107, 108, 109, 110, 111, 112, 113, 231, 193, 193, + /* 810 */ 193, 116, 117, 118, 216, 217, 116, 117, 118, 226, + /* 820 */ 80, 193, 19, 235, 236, 304, 23, 211, 212, 231, + /* 830 */ 204, 216, 217, 205, 102, 103, 104, 105, 106, 107, + /* 840 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, + /* 850 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 860 */ 57, 19, 193, 123, 76, 239, 240, 193, 253, 239, + /* 870 */ 240, 239, 240, 193, 106, 107, 193, 89, 252, 193, + /* 880 */ 92, 59, 252, 141, 252, 43, 44, 45, 46, 47, + /* 890 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + /* 900 */ 284, 161, 216, 217, 193, 102, 103, 104, 105, 106, + /* 910 */ 107, 108, 109, 110, 111, 112, 113, 231, 193, 16, + /* 920 */ 187, 188, 189, 190, 7, 8, 9, 309, 195, 25, + /* 930 */ 197, 313, 19, 127, 128, 129, 262, 204, 22, 117, + /* 940 */ 24, 216, 217, 263, 102, 103, 104, 105, 106, 107, + /* 950 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, + /* 960 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 970 */ 57, 193, 239, 240, 193, 59, 19, 188, 253, 190, + /* 980 */ 77, 226, 79, 193, 195, 252, 197, 193, 19, 301, + /* 990 */ 302, 193, 193, 204, 216, 217, 226, 216, 217, 266, + /* 1000 */ 204, 159, 45, 46, 47, 48, 49, 50, 51, 52, + /* 1010 */ 53, 54, 55, 56, 57, 102, 103, 104, 105, 106, + /* 1020 */ 107, 108, 109, 110, 111, 112, 113, 12, 239, 240, + /* 1030 */ 232, 298, 238, 117, 253, 239, 240, 238, 259, 260, + /* 1040 */ 193, 252, 27, 31, 193, 193, 142, 204, 252, 193, + /* 1050 */ 193, 39, 262, 193, 100, 266, 278, 42, 204, 102, + /* 1060 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, + /* 1070 */ 113, 117, 159, 216, 217, 121, 216, 217, 63, 193, + /* 1080 */ 193, 193, 239, 240, 115, 116, 193, 298, 73, 238, + /* 1090 */ 238, 231, 19, 239, 240, 252, 22, 24, 211, 212, + /* 1100 */ 24, 193, 216, 217, 216, 217, 252, 153, 154, 155, + /* 1110 */ 253, 16, 19, 144, 213, 268, 43, 44, 45, 46, + /* 1120 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 1130 */ 57, 238, 19, 59, 193, 59, 43, 44, 45, 46, + /* 1140 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 1150 */ 57, 22, 23, 193, 25, 193, 43, 44, 45, 46, + /* 1160 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 1170 */ 57, 284, 77, 193, 79, 102, 103, 104, 105, 106, + /* 1180 */ 107, 108, 109, 110, 111, 112, 113, 286, 193, 193, + /* 1190 */ 193, 117, 291, 117, 232, 102, 103, 104, 105, 106, + /* 1200 */ 107, 108, 109, 110, 111, 112, 113, 204, 22, 23, + /* 1210 */ 66, 25, 216, 217, 35, 102, 103, 104, 105, 106, + /* 1220 */ 107, 108, 109, 110, 111, 112, 113, 193, 268, 85, + /* 1230 */ 101, 193, 309, 309, 240, 19, 313, 313, 94, 208, + /* 1240 */ 209, 193, 239, 240, 193, 66, 252, 19, 268, 244, + /* 1250 */ 216, 217, 193, 74, 213, 252, 161, 19, 263, 254, + /* 1260 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + /* 1270 */ 54, 55, 56, 57, 193, 216, 217, 5, 59, 193, + /* 1280 */ 19, 244, 10, 11, 12, 13, 14, 101, 309, 17, + /* 1290 */ 146, 254, 313, 193, 193, 76, 115, 216, 217, 309, + /* 1300 */ 12, 263, 30, 313, 32, 46, 87, 46, 89, 130, + /* 1310 */ 193, 92, 40, 22, 263, 27, 216, 217, 102, 103, + /* 1320 */ 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, + /* 1330 */ 42, 150, 291, 216, 217, 116, 117, 118, 19, 20, + /* 1340 */ 193, 22, 70, 260, 116, 193, 24, 264, 193, 263, + /* 1350 */ 78, 63, 61, 81, 116, 36, 193, 260, 193, 29, + /* 1360 */ 193, 264, 193, 33, 145, 193, 59, 48, 216, 217, + /* 1370 */ 98, 216, 217, 193, 115, 193, 115, 193, 59, 216, + /* 1380 */ 217, 216, 217, 216, 217, 216, 217, 255, 216, 217, + /* 1390 */ 71, 193, 131, 193, 25, 65, 216, 217, 216, 217, + /* 1400 */ 216, 217, 208, 209, 85, 133, 193, 100, 193, 90, + /* 1410 */ 138, 139, 138, 139, 216, 217, 216, 217, 193, 100, + /* 1420 */ 193, 108, 135, 116, 117, 106, 107, 140, 121, 216, + /* 1430 */ 217, 216, 217, 114, 162, 116, 117, 118, 299, 300, + /* 1440 */ 121, 216, 217, 216, 217, 193, 244, 193, 135, 244, + /* 1450 */ 193, 256, 257, 140, 244, 193, 254, 193, 193, 254, + /* 1460 */ 153, 154, 155, 141, 254, 149, 150, 258, 216, 217, + /* 1470 */ 216, 217, 153, 154, 155, 156, 157, 0, 1, 2, + /* 1480 */ 216, 217, 5, 115, 158, 193, 160, 10, 11, 12, + /* 1490 */ 13, 14, 193, 59, 17, 126, 193, 19, 20, 129, + /* 1500 */ 22, 193, 22, 22, 24, 193, 23, 30, 25, 32, + /* 1510 */ 19, 20, 144, 22, 36, 216, 217, 40, 193, 216, + /* 1520 */ 217, 193, 152, 129, 216, 217, 193, 36, 216, 217, + /* 1530 */ 193, 99, 193, 193, 53, 193, 193, 59, 23, 193, + /* 1540 */ 25, 216, 217, 193, 216, 217, 152, 70, 59, 71, + /* 1550 */ 59, 117, 193, 216, 217, 78, 216, 217, 81, 216, + /* 1560 */ 217, 318, 71, 85, 193, 133, 193, 193, 90, 23, + /* 1570 */ 23, 25, 25, 120, 121, 98, 85, 193, 100, 193, + /* 1580 */ 23, 90, 25, 121, 106, 107, 19, 216, 217, 216, + /* 1590 */ 217, 100, 114, 131, 116, 117, 118, 106, 107, 121, + /* 1600 */ 216, 217, 216, 217, 193, 114, 117, 116, 117, 118, + /* 1610 */ 133, 193, 121, 193, 193, 138, 139, 193, 23, 193, + /* 1620 */ 25, 23, 23, 25, 25, 7, 8, 216, 217, 193, + /* 1630 */ 193, 153, 154, 155, 156, 157, 216, 217, 193, 162, + /* 1640 */ 216, 217, 216, 217, 153, 154, 155, 156, 157, 1, + /* 1650 */ 2, 193, 193, 5, 19, 20, 59, 22, 10, 11, + /* 1660 */ 12, 13, 14, 193, 97, 17, 193, 23, 193, 25, + /* 1670 */ 288, 36, 193, 242, 216, 217, 236, 23, 30, 25, + /* 1680 */ 32, 19, 20, 23, 22, 25, 216, 217, 40, 216, + /* 1690 */ 217, 216, 217, 193, 59, 216, 217, 193, 36, 83, + /* 1700 */ 84, 153, 153, 155, 155, 23, 71, 25, 23, 193, + /* 1710 */ 25, 193, 193, 193, 117, 193, 193, 193, 70, 193, + /* 1720 */ 193, 59, 193, 255, 255, 287, 78, 255, 243, 81, + /* 1730 */ 191, 255, 297, 71, 271, 100, 293, 245, 267, 214, + /* 1740 */ 246, 106, 107, 108, 246, 271, 98, 245, 293, 114, + /* 1750 */ 220, 116, 117, 118, 267, 271, 121, 271, 225, 219, + /* 1760 */ 229, 219, 100, 219, 259, 259, 259, 259, 106, 107, + /* 1770 */ 249, 196, 60, 280, 141, 243, 114, 249, 116, 117, + /* 1780 */ 118, 133, 245, 121, 200, 297, 138, 139, 153, 154, + /* 1790 */ 155, 156, 157, 297, 200, 38, 19, 20, 151, 22, + /* 1800 */ 200, 150, 140, 294, 294, 22, 272, 43, 234, 18, + /* 1810 */ 162, 270, 200, 36, 237, 153, 154, 155, 156, 157, + /* 1820 */ 237, 283, 237, 237, 18, 199, 149, 246, 272, 270, + /* 1830 */ 272, 200, 158, 246, 246, 234, 59, 234, 246, 199, + /* 1840 */ 290, 62, 289, 200, 199, 22, 221, 115, 71, 200, + /* 1850 */ 200, 199, 199, 221, 218, 218, 19, 20, 64, 22, + /* 1860 */ 218, 227, 22, 224, 126, 224, 165, 221, 24, 305, + /* 1870 */ 200, 113, 312, 36, 218, 220, 218, 100, 282, 218, + /* 1880 */ 91, 218, 317, 106, 107, 221, 227, 282, 317, 82, + /* 1890 */ 148, 114, 265, 116, 117, 118, 59, 145, 121, 22, + /* 1900 */ 277, 158, 200, 265, 25, 202, 147, 250, 71, 279, + /* 1910 */ 13, 146, 194, 194, 249, 248, 250, 140, 247, 246, + /* 1920 */ 6, 192, 192, 192, 303, 303, 213, 207, 300, 213, + /* 1930 */ 153, 154, 155, 156, 157, 213, 213, 100, 213, 222, + /* 1940 */ 207, 214, 214, 106, 107, 4, 222, 207, 3, 22, + /* 1950 */ 163, 114, 15, 116, 117, 118, 16, 23, 121, 23, + /* 1960 */ 139, 151, 130, 25, 142, 16, 24, 20, 144, 1, + /* 1970 */ 142, 130, 130, 61, 53, 53, 37, 151, 53, 53, + /* 1980 */ 130, 116, 34, 1, 141, 5, 22, 115, 161, 141, + /* 1990 */ 153, 154, 155, 156, 157, 25, 68, 68, 75, 41, + /* 2000 */ 115, 24, 131, 20, 19, 125, 22, 96, 22, 22, + /* 2010 */ 67, 23, 22, 67, 59, 24, 22, 28, 67, 23, + /* 2020 */ 22, 22, 149, 23, 23, 23, 116, 23, 25, 37, + /* 2030 */ 97, 141, 23, 23, 22, 143, 25, 75, 88, 34, + /* 2040 */ 34, 34, 34, 86, 75, 93, 23, 34, 22, 34, + /* 2050 */ 25, 24, 34, 25, 23, 142, 23, 142, 44, 23, + /* 2060 */ 23, 23, 11, 23, 25, 22, 22, 22, 15, 23, + /* 2070 */ 23, 22, 22, 25, 1, 1, 141, 25, 23, 135, + /* 2080 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2090 */ 319, 319, 319, 319, 141, 141, 319, 319, 319, 319, + /* 2100 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2110 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2120 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2130 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2140 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2150 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2160 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2170 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2180 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2190 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2200 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2210 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2220 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2230 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2240 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2250 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2260 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2270 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, + /* 2280 */ 319, }; -#define YY_SHIFT_COUNT (552) +#define YY_SHIFT_COUNT (574) #define YY_SHIFT_MIN (0) -#define YY_SHIFT_MAX (1951) +#define YY_SHIFT_MAX (2074) static const unsigned short int yy_shift_ofst[] = { - /* 0 */ 1448, 1277, 1668, 1072, 1072, 340, 1122, 1225, 1332, 1481, - /* 10 */ 1481, 1481, 335, 0, 0, 180, 897, 1481, 1481, 1481, - /* 20 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, - /* 30 */ 930, 930, 1020, 1020, 290, 1, 340, 340, 340, 340, - /* 40 */ 340, 340, 40, 110, 219, 288, 327, 396, 435, 504, - /* 50 */ 543, 612, 651, 720, 877, 897, 897, 897, 897, 897, - /* 60 */ 897, 897, 897, 897, 897, 897, 897, 897, 897, 897, - /* 70 */ 897, 897, 897, 917, 897, 1019, 763, 763, 1451, 1481, - /* 80 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, - /* 90 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, - /* 100 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, - /* 110 */ 1481, 1481, 1553, 1481, 1481, 1481, 1481, 1481, 1481, 1481, - /* 120 */ 1481, 1481, 1481, 1481, 1481, 1481, 147, 258, 258, 258, - /* 130 */ 258, 258, 79, 65, 84, 449, 19, 786, 449, 636, - /* 140 */ 636, 449, 880, 880, 880, 880, 113, 142, 142, 472, - /* 150 */ 150, 1962, 1962, 399, 399, 399, 93, 237, 341, 237, - /* 160 */ 237, 1074, 1074, 437, 350, 704, 1080, 449, 449, 449, - /* 170 */ 449, 449, 449, 449, 449, 449, 449, 449, 449, 449, - /* 180 */ 449, 449, 449, 449, 449, 449, 449, 449, 818, 818, - /* 190 */ 449, 1088, 217, 217, 734, 734, 1124, 1126, 1962, 1962, - /* 200 */ 1962, 739, 840, 840, 453, 454, 511, 187, 563, 570, - /* 210 */ 898, 669, 449, 449, 449, 449, 449, 449, 449, 449, - /* 220 */ 449, 670, 449, 449, 449, 449, 449, 449, 449, 449, - /* 230 */ 449, 449, 449, 449, 674, 674, 674, 449, 449, 449, - /* 240 */ 449, 1034, 449, 449, 449, 972, 1107, 449, 449, 1193, - /* 250 */ 449, 449, 449, 449, 449, 449, 449, 449, 260, 177, - /* 260 */ 489, 1241, 1241, 1241, 1241, 1192, 489, 489, 952, 1197, - /* 270 */ 625, 1235, 1131, 181, 181, 1086, 1139, 1131, 1086, 1187, - /* 280 */ 1319, 1237, 1318, 1318, 1318, 181, 1299, 1299, 1109, 1336, - /* 290 */ 549, 1376, 1610, 1535, 1535, 1639, 1639, 1535, 1539, 1578, - /* 300 */ 1670, 1546, 1652, 1546, 1681, 1681, 1681, 1681, 1535, 1694, - /* 310 */ 1546, 1546, 1578, 1670, 1652, 1546, 1652, 1546, 1535, 1694, - /* 320 */ 1565, 1665, 1535, 1694, 1708, 1535, 1694, 1535, 1694, 1708, - /* 330 */ 1618, 1618, 1618, 1680, 1723, 1723, 1708, 1618, 1623, 1618, - /* 340 */ 1680, 1618, 1618, 1588, 1708, 1640, 1640, 1708, 1611, 1643, - /* 350 */ 1611, 1643, 1611, 1643, 1611, 1643, 1535, 1685, 1685, 1695, - /* 360 */ 1695, 1636, 1641, 1761, 1535, 1631, 1636, 1644, 1646, 1546, - /* 370 */ 1763, 1766, 1781, 1781, 1791, 1791, 1791, 1962, 1962, 1962, - /* 380 */ 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, - /* 390 */ 1962, 1962, 308, 835, 954, 1232, 879, 715, 728, 1373, - /* 400 */ 864, 1329, 1253, 1409, 297, 1431, 1489, 1497, 1520, 1521, - /* 410 */ 1525, 1362, 1309, 1491, 1217, 1420, 1429, 1536, 1380, 1538, - /* 420 */ 1293, 1354, 1548, 1585, 1434, 1342, 1813, 1816, 1798, 1664, - /* 430 */ 1810, 1732, 1815, 1811, 1812, 1699, 1689, 1710, 1817, 1700, - /* 440 */ 1819, 1701, 1826, 1843, 1705, 1697, 1719, 1787, 1814, 1702, - /* 450 */ 1796, 1799, 1800, 1801, 1727, 1742, 1823, 1721, 1860, 1857, - /* 460 */ 1841, 1751, 1707, 1802, 1840, 1803, 1792, 1827, 1730, 1759, - /* 470 */ 1849, 1854, 1856, 1747, 1754, 1858, 1818, 1859, 1861, 1855, - /* 480 */ 1862, 1820, 1829, 1865, 1783, 1863, 1864, 1825, 1845, 1867, - /* 490 */ 1746, 1872, 1873, 1874, 1875, 1869, 1876, 1878, 1877, 1879, - /* 500 */ 1881, 1880, 1767, 1882, 1884, 1794, 1883, 1887, 1769, 1885, - /* 510 */ 1886, 1888, 1889, 1890, 1824, 1838, 1828, 1871, 1844, 1832, - /* 520 */ 1892, 1893, 1896, 1897, 1901, 1902, 1895, 1907, 1885, 1908, - /* 530 */ 1909, 1910, 1911, 1912, 1913, 1915, 1924, 1917, 1918, 1919, - /* 540 */ 1920, 1922, 1923, 1921, 1808, 1807, 1809, 1821, 1822, 1926, - /* 550 */ 1935, 1950, 1951, + /* 0 */ 1648, 1477, 1272, 322, 322, 1, 1319, 1478, 1491, 1837, + /* 10 */ 1837, 1837, 471, 0, 0, 214, 1093, 1837, 1837, 1837, + /* 20 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 30 */ 271, 271, 1219, 1219, 216, 88, 1, 1, 1, 1, + /* 40 */ 1, 40, 111, 258, 361, 469, 512, 583, 622, 693, + /* 50 */ 732, 803, 842, 913, 1073, 1093, 1093, 1093, 1093, 1093, + /* 60 */ 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, + /* 70 */ 1093, 1093, 1093, 1113, 1093, 1216, 957, 957, 1635, 1662, + /* 80 */ 1777, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 90 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 100 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 110 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 120 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 130 */ 137, 181, 181, 181, 181, 181, 181, 181, 94, 430, + /* 140 */ 66, 65, 112, 366, 533, 533, 740, 1261, 533, 533, + /* 150 */ 79, 79, 533, 412, 412, 412, 77, 412, 123, 113, + /* 160 */ 113, 22, 22, 2096, 2096, 328, 328, 328, 239, 468, + /* 170 */ 468, 468, 468, 1015, 1015, 409, 366, 1129, 1186, 533, + /* 180 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 533, + /* 190 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 969, + /* 200 */ 621, 621, 533, 642, 788, 788, 1228, 1228, 822, 822, + /* 210 */ 67, 1274, 2096, 2096, 2096, 2096, 2096, 2096, 2096, 1307, + /* 220 */ 954, 954, 585, 472, 640, 387, 695, 538, 541, 700, + /* 230 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 533, + /* 240 */ 222, 533, 533, 533, 533, 533, 533, 533, 533, 533, + /* 250 */ 533, 533, 533, 1179, 1179, 1179, 533, 533, 533, 565, + /* 260 */ 533, 533, 533, 916, 1144, 533, 533, 1288, 533, 533, + /* 270 */ 533, 533, 533, 533, 533, 533, 639, 1330, 209, 1076, + /* 280 */ 1076, 1076, 1076, 580, 209, 209, 1313, 768, 917, 649, + /* 290 */ 1181, 1316, 405, 1316, 1238, 249, 1181, 1181, 249, 1181, + /* 300 */ 405, 1238, 1369, 464, 1259, 1012, 1012, 1012, 1368, 1368, + /* 310 */ 1368, 1368, 184, 184, 1326, 904, 1287, 1480, 1712, 1712, + /* 320 */ 1633, 1633, 1757, 1757, 1633, 1647, 1651, 1783, 1764, 1791, + /* 330 */ 1791, 1791, 1791, 1633, 1806, 1677, 1651, 1651, 1677, 1783, + /* 340 */ 1764, 1677, 1764, 1677, 1633, 1806, 1674, 1779, 1633, 1806, + /* 350 */ 1823, 1633, 1806, 1633, 1806, 1823, 1732, 1732, 1732, 1794, + /* 360 */ 1840, 1840, 1823, 1732, 1738, 1732, 1794, 1732, 1732, 1701, + /* 370 */ 1844, 1758, 1758, 1823, 1633, 1789, 1789, 1807, 1807, 1742, + /* 380 */ 1752, 1877, 1633, 1743, 1742, 1759, 1765, 1677, 1879, 1897, + /* 390 */ 1897, 1914, 1914, 1914, 2096, 2096, 2096, 2096, 2096, 2096, + /* 400 */ 2096, 2096, 2096, 2096, 2096, 2096, 2096, 2096, 2096, 207, + /* 410 */ 1095, 331, 620, 903, 806, 1074, 1483, 1432, 1481, 1322, + /* 420 */ 1370, 1394, 1515, 1291, 1546, 1547, 1557, 1595, 1598, 1599, + /* 430 */ 1434, 1453, 1618, 1462, 1567, 1489, 1644, 1654, 1616, 1660, + /* 440 */ 1548, 1549, 1682, 1685, 1597, 742, 1941, 1945, 1927, 1787, + /* 450 */ 1937, 1940, 1934, 1936, 1821, 1810, 1832, 1938, 1938, 1942, + /* 460 */ 1822, 1947, 1824, 1949, 1968, 1828, 1841, 1938, 1842, 1912, + /* 470 */ 1939, 1938, 1826, 1921, 1922, 1925, 1926, 1850, 1865, 1948, + /* 480 */ 1843, 1982, 1980, 1964, 1872, 1827, 1928, 1970, 1929, 1923, + /* 490 */ 1958, 1848, 1885, 1977, 1983, 1985, 1871, 1880, 1984, 1943, + /* 500 */ 1986, 1987, 1988, 1990, 1946, 1955, 1991, 1911, 1989, 1994, + /* 510 */ 1951, 1992, 1996, 1873, 1998, 2000, 2001, 2002, 2003, 2004, + /* 520 */ 1999, 1933, 1890, 2009, 2010, 1910, 2005, 2012, 1892, 2011, + /* 530 */ 2006, 2007, 2008, 2013, 1950, 1962, 1957, 2014, 1969, 1952, + /* 540 */ 2015, 2023, 2026, 2027, 2025, 2028, 2018, 1913, 1915, 2031, + /* 550 */ 2011, 2033, 2036, 2037, 2038, 2039, 2040, 2043, 2051, 2044, + /* 560 */ 2045, 2046, 2047, 2049, 2050, 2048, 1944, 1935, 1953, 1954, + /* 570 */ 2052, 2055, 2053, 2073, 2074, }; -#define YY_REDUCE_COUNT (391) -#define YY_REDUCE_MIN (-262) -#define YY_REDUCE_MAX (1625) +#define YY_REDUCE_COUNT (408) +#define YY_REDUCE_MIN (-271) +#define YY_REDUCE_MAX (1740) static const short yy_reduce_ofst[] = { - /* 0 */ 490, -122, 545, 645, 650, -120, -189, -187, -184, -182, - /* 10 */ -178, -176, 45, 30, 200, -251, -134, 390, 392, 521, - /* 20 */ 523, 213, 692, 821, 284, 589, 872, 666, 671, 866, - /* 30 */ 71, 111, 273, 389, 686, 815, 904, 932, 948, 955, - /* 40 */ 964, 969, -259, -259, -259, -259, -259, -259, -259, -259, - /* 50 */ -259, -259, -259, -259, -259, -259, -259, -259, -259, -259, - /* 60 */ -259, -259, -259, -259, -259, -259, -259, -259, -259, -259, - /* 70 */ -259, -259, -259, -259, -259, -259, -259, -259, 428, 430, - /* 80 */ 899, 985, 1021, 1028, 1057, 1069, 1081, 1108, 1110, 1115, - /* 90 */ 1117, 1123, 1149, 1154, 1159, 1170, 1174, 1178, 1183, 1194, - /* 100 */ 1198, 1204, 1208, 1212, 1218, 1222, 1229, 1278, 1280, 1283, - /* 110 */ 1285, 1313, 1316, 1320, 1322, 1325, 1327, 1330, 1366, 1371, - /* 120 */ 1379, 1387, 1417, 1425, 1430, 1432, -259, -259, -259, -259, - /* 130 */ -259, -259, -259, -259, -259, 557, 974, -214, -174, -9, - /* 140 */ 431, -124, 806, 925, 806, 925, 251, 928, 940, -259, - /* 150 */ -259, -259, -259, -198, -198, -198, 127, -186, -168, 212, - /* 160 */ 646, 617, 799, -262, 555, 220, 220, 491, 605, 1040, - /* 170 */ 1060, 699, -11, 600, 848, 862, 345, -129, 724, -91, - /* 180 */ 158, 749, 716, 900, 304, 822, 929, 926, 499, 793, - /* 190 */ 322, 892, 813, 845, 958, 1056, 751, 905, 1133, 1062, - /* 200 */ 803, -210, -185, -179, -148, -167, -89, 121, 274, 281, - /* 210 */ 320, 336, 439, 663, 711, 957, 965, 1064, 1068, 1112, - /* 220 */ 1116, -196, 1127, 1134, 1180, 1184, 1195, 1199, 1203, 1215, - /* 230 */ 1223, 1250, 1267, 1286, 205, 422, 638, 1324, 1341, 1364, - /* 240 */ 1365, 1213, 1392, 1399, 1403, 869, 1260, 1405, 1421, 1276, - /* 250 */ 1424, 121, 1426, 1427, 1428, 1433, 1436, 1437, 1227, 1338, - /* 260 */ 1284, 1359, 1370, 1377, 1388, 1213, 1284, 1284, 1385, 1438, - /* 270 */ 1443, 1349, 1400, 1391, 1394, 1360, 1408, 1410, 1367, 1439, - /* 280 */ 1440, 1435, 1442, 1446, 1447, 1397, 1413, 1418, 1390, 1444, - /* 290 */ 1445, 1474, 1381, 1479, 1480, 1401, 1402, 1490, 1414, 1449, - /* 300 */ 1452, 1453, 1467, 1456, 1469, 1470, 1477, 1478, 1515, 1518, - /* 310 */ 1476, 1482, 1450, 1454, 1492, 1483, 1493, 1484, 1523, 1531, - /* 320 */ 1457, 1455, 1532, 1534, 1516, 1537, 1540, 1543, 1541, 1526, - /* 330 */ 1528, 1530, 1542, 1512, 1529, 1533, 1544, 1545, 1547, 1550, - /* 340 */ 1549, 1551, 1554, 1458, 1552, 1494, 1495, 1556, 1498, 1502, - /* 350 */ 1503, 1511, 1517, 1519, 1522, 1524, 1579, 1472, 1473, 1527, - /* 360 */ 1555, 1557, 1559, 1558, 1589, 1560, 1561, 1564, 1566, 1568, - /* 370 */ 1592, 1595, 1605, 1606, 1612, 1613, 1622, 1562, 1563, 1505, - /* 380 */ 1609, 1604, 1608, 1614, 1615, 1616, 1596, 1597, 1617, 1620, - /* 390 */ 1625, 1619, + /* 0 */ -125, 733, 789, 241, 293, -123, -193, -191, -183, -187, + /* 10 */ 166, 238, 133, -207, -199, -267, -176, -6, 204, 489, + /* 20 */ 576, -175, 598, 686, 615, 725, 860, 778, 781, 857, + /* 30 */ 616, 887, 87, 240, -192, 408, 626, 796, 843, 854, + /* 40 */ 1003, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 50 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 60 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 70 */ -271, -271, -271, -271, -271, -271, -271, -271, 80, 83, + /* 80 */ 313, 886, 888, 996, 1034, 1059, 1081, 1100, 1117, 1152, + /* 90 */ 1155, 1163, 1165, 1167, 1169, 1172, 1180, 1182, 1184, 1198, + /* 100 */ 1200, 1213, 1215, 1225, 1227, 1252, 1254, 1264, 1299, 1303, + /* 110 */ 1308, 1312, 1325, 1328, 1337, 1340, 1343, 1371, 1373, 1384, + /* 120 */ 1386, 1411, 1420, 1424, 1426, 1458, 1470, 1473, 1475, 1479, + /* 130 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 140 */ -271, 138, 459, 396, -158, 470, 302, -212, 521, 201, + /* 150 */ -195, -92, 559, 630, 632, 630, -271, 632, 901, 63, + /* 160 */ 407, -271, -271, -271, -271, 161, 161, 161, 251, 335, + /* 170 */ 847, 960, 980, 537, 588, 618, 628, 688, 688, -166, + /* 180 */ -161, 674, 790, 794, 799, 851, 852, -122, 680, -120, + /* 190 */ 995, 1038, 415, 1051, 893, 798, 962, 400, 1086, 779, + /* 200 */ 923, 924, 263, 1041, 979, 990, 1083, 1097, 1031, 1194, + /* 210 */ 362, 994, 1139, 1005, 1037, 1202, 1205, 1195, 1210, -194, + /* 220 */ 56, 185, -135, 232, 522, 560, 601, 617, 669, 683, + /* 230 */ 711, 856, 908, 941, 1048, 1101, 1147, 1257, 1262, 1265, + /* 240 */ 392, 1292, 1333, 1339, 1342, 1346, 1350, 1359, 1374, 1418, + /* 250 */ 1421, 1436, 1437, 593, 755, 770, 997, 1445, 1459, 1209, + /* 260 */ 1500, 1504, 1516, 1132, 1243, 1518, 1519, 1440, 1520, 560, + /* 270 */ 1522, 1523, 1524, 1526, 1527, 1529, 1382, 1438, 1431, 1468, + /* 280 */ 1469, 1472, 1476, 1209, 1431, 1431, 1485, 1525, 1539, 1435, + /* 290 */ 1463, 1471, 1492, 1487, 1443, 1494, 1474, 1484, 1498, 1486, + /* 300 */ 1502, 1455, 1530, 1531, 1533, 1540, 1542, 1544, 1505, 1506, + /* 310 */ 1507, 1508, 1521, 1528, 1493, 1537, 1532, 1575, 1488, 1496, + /* 320 */ 1584, 1594, 1509, 1510, 1600, 1538, 1534, 1541, 1574, 1577, + /* 330 */ 1583, 1585, 1586, 1612, 1626, 1581, 1556, 1558, 1587, 1559, + /* 340 */ 1601, 1588, 1603, 1592, 1631, 1640, 1550, 1553, 1643, 1645, + /* 350 */ 1625, 1649, 1652, 1650, 1653, 1632, 1636, 1637, 1642, 1634, + /* 360 */ 1639, 1641, 1646, 1656, 1655, 1658, 1659, 1661, 1663, 1560, + /* 370 */ 1564, 1596, 1605, 1664, 1670, 1565, 1571, 1627, 1638, 1657, + /* 380 */ 1665, 1623, 1702, 1630, 1666, 1667, 1671, 1673, 1703, 1718, + /* 390 */ 1719, 1729, 1730, 1731, 1621, 1622, 1628, 1720, 1713, 1716, + /* 400 */ 1722, 1723, 1733, 1717, 1724, 1727, 1728, 1725, 1740, }; static const YYACTIONTYPE yy_default[] = { - /* 0 */ 1575, 1575, 1575, 1411, 1188, 1297, 1188, 1188, 1188, 1411, - /* 10 */ 1411, 1411, 1188, 1327, 1327, 1464, 1219, 1188, 1188, 1188, - /* 20 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1410, 1188, 1188, - /* 30 */ 1188, 1188, 1494, 1494, 1188, 1188, 1188, 1188, 1188, 1188, - /* 40 */ 1188, 1188, 1188, 1336, 1188, 1188, 1188, 1188, 1188, 1188, - /* 50 */ 1412, 1413, 1188, 1188, 1188, 1463, 1465, 1428, 1346, 1345, - /* 60 */ 1344, 1343, 1446, 1314, 1341, 1334, 1338, 1406, 1407, 1405, - /* 70 */ 1409, 1413, 1412, 1188, 1337, 1377, 1391, 1376, 1188, 1188, - /* 80 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 90 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 100 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 110 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 120 */ 1188, 1188, 1188, 1188, 1188, 1188, 1385, 1390, 1396, 1389, - /* 130 */ 1386, 1379, 1378, 1380, 1381, 1188, 1209, 1261, 1188, 1188, - /* 140 */ 1188, 1188, 1482, 1481, 1188, 1188, 1219, 1371, 1370, 1382, - /* 150 */ 1383, 1393, 1392, 1471, 1529, 1528, 1429, 1188, 1188, 1188, - /* 160 */ 1188, 1188, 1188, 1494, 1188, 1188, 1188, 1188, 1188, 1188, - /* 170 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 180 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1494, 1494, - /* 190 */ 1188, 1219, 1494, 1494, 1215, 1215, 1321, 1188, 1477, 1297, - /* 200 */ 1288, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 210 */ 1188, 1188, 1188, 1188, 1188, 1468, 1466, 1188, 1188, 1188, - /* 220 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 230 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 240 */ 1188, 1188, 1188, 1188, 1188, 1293, 1188, 1188, 1188, 1188, - /* 250 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1523, 1188, 1441, - /* 260 */ 1275, 1293, 1293, 1293, 1293, 1295, 1276, 1274, 1287, 1220, - /* 270 */ 1195, 1567, 1294, 1316, 1316, 1564, 1340, 1294, 1564, 1236, - /* 280 */ 1545, 1231, 1327, 1327, 1327, 1316, 1321, 1321, 1408, 1294, - /* 290 */ 1287, 1188, 1567, 1302, 1302, 1566, 1566, 1302, 1429, 1349, - /* 300 */ 1355, 1340, 1264, 1340, 1270, 1270, 1270, 1270, 1302, 1206, - /* 310 */ 1340, 1340, 1349, 1355, 1264, 1340, 1264, 1340, 1302, 1206, - /* 320 */ 1445, 1561, 1302, 1206, 1419, 1302, 1206, 1302, 1206, 1419, - /* 330 */ 1262, 1262, 1262, 1251, 1188, 1188, 1419, 1262, 1236, 1262, - /* 340 */ 1251, 1262, 1262, 1512, 1419, 1423, 1423, 1419, 1320, 1315, - /* 350 */ 1320, 1315, 1320, 1315, 1320, 1315, 1302, 1504, 1504, 1330, - /* 360 */ 1330, 1335, 1321, 1414, 1302, 1188, 1335, 1333, 1331, 1340, - /* 370 */ 1212, 1254, 1526, 1526, 1522, 1522, 1522, 1572, 1572, 1477, - /* 380 */ 1538, 1219, 1219, 1219, 1219, 1538, 1238, 1238, 1220, 1220, - /* 390 */ 1219, 1538, 1188, 1188, 1188, 1188, 1188, 1188, 1533, 1188, - /* 400 */ 1430, 1306, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 410 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 420 */ 1188, 1188, 1188, 1188, 1188, 1360, 1188, 1191, 1474, 1188, - /* 430 */ 1188, 1472, 1188, 1188, 1188, 1188, 1188, 1188, 1307, 1188, - /* 440 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 450 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1563, 1188, 1188, - /* 460 */ 1188, 1188, 1188, 1188, 1444, 1443, 1188, 1188, 1304, 1188, - /* 470 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 480 */ 1188, 1188, 1234, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 490 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 500 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1332, - /* 510 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 520 */ 1188, 1188, 1188, 1188, 1509, 1322, 1188, 1188, 1554, 1188, - /* 530 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, - /* 540 */ 1188, 1188, 1188, 1549, 1278, 1362, 1188, 1361, 1365, 1188, - /* 550 */ 1200, 1188, 1188, + /* 0 */ 1639, 1639, 1639, 1469, 1236, 1347, 1236, 1236, 1236, 1469, + /* 10 */ 1469, 1469, 1236, 1377, 1377, 1522, 1269, 1236, 1236, 1236, + /* 20 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1468, 1236, 1236, + /* 30 */ 1236, 1236, 1555, 1555, 1236, 1236, 1236, 1236, 1236, 1236, + /* 40 */ 1236, 1236, 1386, 1236, 1393, 1236, 1236, 1236, 1236, 1236, + /* 50 */ 1470, 1471, 1236, 1236, 1236, 1521, 1523, 1486, 1400, 1399, + /* 60 */ 1398, 1397, 1504, 1365, 1391, 1384, 1388, 1465, 1466, 1464, + /* 70 */ 1617, 1471, 1470, 1236, 1387, 1433, 1449, 1432, 1236, 1236, + /* 80 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 90 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 100 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 110 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 120 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 130 */ 1441, 1448, 1447, 1446, 1455, 1445, 1442, 1435, 1434, 1436, + /* 140 */ 1437, 1236, 1236, 1260, 1236, 1236, 1257, 1311, 1236, 1236, + /* 150 */ 1236, 1236, 1236, 1541, 1540, 1236, 1438, 1236, 1269, 1427, + /* 160 */ 1426, 1452, 1439, 1451, 1450, 1529, 1591, 1590, 1487, 1236, + /* 170 */ 1236, 1236, 1236, 1236, 1236, 1555, 1236, 1236, 1236, 1236, + /* 180 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 190 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1367, + /* 200 */ 1555, 1555, 1236, 1269, 1555, 1555, 1368, 1368, 1265, 1265, + /* 210 */ 1371, 1236, 1536, 1338, 1338, 1338, 1338, 1347, 1338, 1236, + /* 220 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 230 */ 1236, 1236, 1236, 1236, 1526, 1524, 1236, 1236, 1236, 1236, + /* 240 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 250 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 260 */ 1236, 1236, 1236, 1343, 1236, 1236, 1236, 1236, 1236, 1236, + /* 270 */ 1236, 1236, 1236, 1236, 1236, 1584, 1236, 1499, 1325, 1343, + /* 280 */ 1343, 1343, 1343, 1345, 1326, 1324, 1337, 1270, 1243, 1631, + /* 290 */ 1403, 1392, 1344, 1392, 1628, 1390, 1403, 1403, 1390, 1403, + /* 300 */ 1344, 1628, 1286, 1606, 1281, 1377, 1377, 1377, 1367, 1367, + /* 310 */ 1367, 1367, 1371, 1371, 1467, 1344, 1337, 1236, 1631, 1631, + /* 320 */ 1353, 1353, 1630, 1630, 1353, 1487, 1614, 1412, 1314, 1320, + /* 330 */ 1320, 1320, 1320, 1353, 1254, 1390, 1614, 1614, 1390, 1412, + /* 340 */ 1314, 1390, 1314, 1390, 1353, 1254, 1503, 1625, 1353, 1254, + /* 350 */ 1477, 1353, 1254, 1353, 1254, 1477, 1312, 1312, 1312, 1301, + /* 360 */ 1236, 1236, 1477, 1312, 1286, 1312, 1301, 1312, 1312, 1573, + /* 370 */ 1236, 1481, 1481, 1477, 1353, 1565, 1565, 1380, 1380, 1385, + /* 380 */ 1371, 1472, 1353, 1236, 1385, 1383, 1381, 1390, 1304, 1587, + /* 390 */ 1587, 1583, 1583, 1583, 1636, 1636, 1536, 1599, 1269, 1269, + /* 400 */ 1269, 1269, 1599, 1288, 1288, 1270, 1270, 1269, 1599, 1236, + /* 410 */ 1236, 1236, 1236, 1236, 1236, 1594, 1236, 1531, 1488, 1357, + /* 420 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 430 */ 1236, 1236, 1236, 1236, 1542, 1236, 1236, 1236, 1236, 1236, + /* 440 */ 1236, 1236, 1236, 1236, 1236, 1417, 1236, 1239, 1533, 1236, + /* 450 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1394, 1395, 1358, + /* 460 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1409, 1236, 1236, + /* 470 */ 1236, 1404, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 480 */ 1627, 1236, 1236, 1236, 1236, 1236, 1236, 1502, 1501, 1236, + /* 490 */ 1236, 1355, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 500 */ 1236, 1236, 1236, 1236, 1236, 1284, 1236, 1236, 1236, 1236, + /* 510 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 520 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1382, + /* 530 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 540 */ 1236, 1236, 1236, 1236, 1570, 1372, 1236, 1236, 1236, 1236, + /* 550 */ 1618, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 560 */ 1236, 1236, 1236, 1236, 1236, 1610, 1328, 1418, 1236, 1421, + /* 570 */ 1258, 1236, 1248, 1236, 1236, }; /********** End of lemon-generated parsing tables *****************************/ @@ -155219,8 +170467,8 @@ static const YYCODETYPE yyFallback[] = { 0, /* LP => nothing */ 0, /* RP => nothing */ 0, /* AS => nothing */ - 59, /* WITHOUT => ID */ 0, /* COMMA => nothing */ + 59, /* WITHOUT => ID */ 59, /* ABORT => ID */ 59, /* ACTION => ID */ 59, /* AFTER => ID */ @@ -155291,6 +170539,7 @@ static const YYCODETYPE yyFallback[] = { 59, /* TIES => ID */ 59, /* GENERATED => ID */ 59, /* ALWAYS => ID */ + 59, /* MATERIALIZED => ID */ 59, /* REINDEX => ID */ 59, /* RENAME => ID */ 59, /* CTIME_KW => ID */ @@ -155305,6 +170554,7 @@ static const YYCODETYPE yyFallback[] = { 0, /* SLASH => nothing */ 0, /* REM => nothing */ 0, /* CONCAT => nothing */ + 0, /* PTR => nothing */ 0, /* COLLATE => nothing */ 0, /* BITNOT => nothing */ 0, /* ON => nothing */ @@ -155342,6 +170592,7 @@ static const YYCODETYPE yyFallback[] = { 0, /* HAVING => nothing */ 0, /* LIMIT => nothing */ 0, /* WHERE => nothing */ + 0, /* RETURNING => nothing */ 0, /* INTO => nothing */ 0, /* NOTHING => nothing */ 0, /* FLOAT => nothing */ @@ -155373,6 +170624,7 @@ static const YYCODETYPE yyFallback[] = { 0, /* IF_NULL_ROW => nothing */ 0, /* ASTERISK => nothing */ 0, /* SPAN => nothing */ + 0, /* ERROR => nothing */ 0, /* SPACE => nothing */ 0, /* ILLEGAL => nothing */ }; @@ -155426,6 +170678,7 @@ struct yyParser { }; typedef struct yyParser yyParser; +/* #include */ #ifndef NDEBUG /* #include */ static FILE *yyTraceFILE = 0; @@ -155487,8 +170740,8 @@ static const char *const yyTokenName[] = { /* 22 */ "LP", /* 23 */ "RP", /* 24 */ "AS", - /* 25 */ "WITHOUT", - /* 26 */ "COMMA", + /* 25 */ "COMMA", + /* 26 */ "WITHOUT", /* 27 */ "ABORT", /* 28 */ "ACTION", /* 29 */ "AFTER", @@ -155559,219 +170812,228 @@ static const char *const yyTokenName[] = { /* 94 */ "TIES", /* 95 */ "GENERATED", /* 96 */ "ALWAYS", - /* 97 */ "REINDEX", - /* 98 */ "RENAME", - /* 99 */ "CTIME_KW", - /* 100 */ "ANY", - /* 101 */ "BITAND", - /* 102 */ "BITOR", - /* 103 */ "LSHIFT", - /* 104 */ "RSHIFT", - /* 105 */ "PLUS", - /* 106 */ "MINUS", - /* 107 */ "STAR", - /* 108 */ "SLASH", - /* 109 */ "REM", - /* 110 */ "CONCAT", - /* 111 */ "COLLATE", - /* 112 */ "BITNOT", - /* 113 */ "ON", - /* 114 */ "INDEXED", - /* 115 */ "STRING", - /* 116 */ "JOIN_KW", - /* 117 */ "CONSTRAINT", - /* 118 */ "DEFAULT", - /* 119 */ "NULL", - /* 120 */ "PRIMARY", - /* 121 */ "UNIQUE", - /* 122 */ "CHECK", - /* 123 */ "REFERENCES", - /* 124 */ "AUTOINCR", - /* 125 */ "INSERT", - /* 126 */ "DELETE", - /* 127 */ "UPDATE", - /* 128 */ "SET", - /* 129 */ "DEFERRABLE", - /* 130 */ "FOREIGN", - /* 131 */ "DROP", - /* 132 */ "UNION", - /* 133 */ "ALL", - /* 134 */ "EXCEPT", - /* 135 */ "INTERSECT", - /* 136 */ "SELECT", - /* 137 */ "VALUES", - /* 138 */ "DISTINCT", - /* 139 */ "DOT", - /* 140 */ "FROM", - /* 141 */ "JOIN", - /* 142 */ "USING", - /* 143 */ "ORDER", - /* 144 */ "GROUP", - /* 145 */ "HAVING", - /* 146 */ "LIMIT", - /* 147 */ "WHERE", - /* 148 */ "INTO", - /* 149 */ "NOTHING", - /* 150 */ "FLOAT", - /* 151 */ "BLOB", - /* 152 */ "INTEGER", - /* 153 */ "VARIABLE", - /* 154 */ "CASE", - /* 155 */ "WHEN", - /* 156 */ "THEN", - /* 157 */ "ELSE", - /* 158 */ "INDEX", - /* 159 */ "ALTER", - /* 160 */ "ADD", - /* 161 */ "WINDOW", - /* 162 */ "OVER", - /* 163 */ "FILTER", - /* 164 */ "COLUMN", - /* 165 */ "AGG_FUNCTION", - /* 166 */ "AGG_COLUMN", - /* 167 */ "TRUEFALSE", - /* 168 */ "ISNOT", - /* 169 */ "FUNCTION", - /* 170 */ "UMINUS", - /* 171 */ "UPLUS", - /* 172 */ "TRUTH", - /* 173 */ "REGISTER", - /* 174 */ "VECTOR", - /* 175 */ "SELECT_COLUMN", - /* 176 */ "IF_NULL_ROW", - /* 177 */ "ASTERISK", - /* 178 */ "SPAN", - /* 179 */ "SPACE", - /* 180 */ "ILLEGAL", - /* 181 */ "input", - /* 182 */ "cmdlist", - /* 183 */ "ecmd", - /* 184 */ "cmdx", - /* 185 */ "explain", - /* 186 */ "cmd", - /* 187 */ "transtype", - /* 188 */ "trans_opt", - /* 189 */ "nm", - /* 190 */ "savepoint_opt", - /* 191 */ "create_table", - /* 192 */ "create_table_args", - /* 193 */ "createkw", - /* 194 */ "temp", - /* 195 */ "ifnotexists", - /* 196 */ "dbnm", - /* 197 */ "columnlist", - /* 198 */ "conslist_opt", - /* 199 */ "table_options", - /* 200 */ "select", - /* 201 */ "columnname", - /* 202 */ "carglist", - /* 203 */ "typetoken", - /* 204 */ "typename", - /* 205 */ "signed", - /* 206 */ "plus_num", - /* 207 */ "minus_num", - /* 208 */ "scanpt", - /* 209 */ "scantok", - /* 210 */ "ccons", - /* 211 */ "term", - /* 212 */ "expr", - /* 213 */ "onconf", - /* 214 */ "sortorder", - /* 215 */ "autoinc", - /* 216 */ "eidlist_opt", - /* 217 */ "refargs", - /* 218 */ "defer_subclause", - /* 219 */ "generated", - /* 220 */ "refarg", - /* 221 */ "refact", - /* 222 */ "init_deferred_pred_opt", - /* 223 */ "conslist", - /* 224 */ "tconscomma", - /* 225 */ "tcons", - /* 226 */ "sortlist", - /* 227 */ "eidlist", - /* 228 */ "defer_subclause_opt", - /* 229 */ "orconf", - /* 230 */ "resolvetype", - /* 231 */ "raisetype", - /* 232 */ "ifexists", - /* 233 */ "fullname", - /* 234 */ "selectnowith", - /* 235 */ "oneselect", - /* 236 */ "wqlist", - /* 237 */ "multiselect_op", - /* 238 */ "distinct", - /* 239 */ "selcollist", - /* 240 */ "from", - /* 241 */ "where_opt", - /* 242 */ "groupby_opt", - /* 243 */ "having_opt", - /* 244 */ "orderby_opt", - /* 245 */ "limit_opt", - /* 246 */ "window_clause", - /* 247 */ "values", - /* 248 */ "nexprlist", - /* 249 */ "sclp", - /* 250 */ "as", - /* 251 */ "seltablist", - /* 252 */ "stl_prefix", - /* 253 */ "joinop", - /* 254 */ "indexed_opt", - /* 255 */ "on_opt", - /* 256 */ "using_opt", - /* 257 */ "exprlist", - /* 258 */ "xfullname", - /* 259 */ "idlist", - /* 260 */ "nulls", - /* 261 */ "with", - /* 262 */ "setlist", - /* 263 */ "insert_cmd", - /* 264 */ "idlist_opt", - /* 265 */ "upsert", - /* 266 */ "filter_over", - /* 267 */ "likeop", - /* 268 */ "between_op", - /* 269 */ "in_op", - /* 270 */ "paren_exprlist", - /* 271 */ "case_operand", - /* 272 */ "case_exprlist", - /* 273 */ "case_else", - /* 274 */ "uniqueflag", - /* 275 */ "collate", - /* 276 */ "vinto", - /* 277 */ "nmnum", - /* 278 */ "trigger_decl", - /* 279 */ "trigger_cmd_list", - /* 280 */ "trigger_time", - /* 281 */ "trigger_event", - /* 282 */ "foreach_clause", - /* 283 */ "when_clause", - /* 284 */ "trigger_cmd", - /* 285 */ "trnm", - /* 286 */ "tridxby", - /* 287 */ "database_kw_opt", - /* 288 */ "key_opt", - /* 289 */ "add_column_fullname", - /* 290 */ "kwcolumn_opt", - /* 291 */ "create_vtab", - /* 292 */ "vtabarglist", - /* 293 */ "vtabarg", - /* 294 */ "vtabargtoken", - /* 295 */ "lp", - /* 296 */ "anylist", - /* 297 */ "windowdefn_list", - /* 298 */ "windowdefn", - /* 299 */ "window", - /* 300 */ "frame_opt", - /* 301 */ "part_opt", - /* 302 */ "filter_clause", - /* 303 */ "over_clause", - /* 304 */ "range_or_rows", - /* 305 */ "frame_bound", - /* 306 */ "frame_bound_s", - /* 307 */ "frame_bound_e", - /* 308 */ "frame_exclude_opt", - /* 309 */ "frame_exclude", + /* 97 */ "MATERIALIZED", + /* 98 */ "REINDEX", + /* 99 */ "RENAME", + /* 100 */ "CTIME_KW", + /* 101 */ "ANY", + /* 102 */ "BITAND", + /* 103 */ "BITOR", + /* 104 */ "LSHIFT", + /* 105 */ "RSHIFT", + /* 106 */ "PLUS", + /* 107 */ "MINUS", + /* 108 */ "STAR", + /* 109 */ "SLASH", + /* 110 */ "REM", + /* 111 */ "CONCAT", + /* 112 */ "PTR", + /* 113 */ "COLLATE", + /* 114 */ "BITNOT", + /* 115 */ "ON", + /* 116 */ "INDEXED", + /* 117 */ "STRING", + /* 118 */ "JOIN_KW", + /* 119 */ "CONSTRAINT", + /* 120 */ "DEFAULT", + /* 121 */ "NULL", + /* 122 */ "PRIMARY", + /* 123 */ "UNIQUE", + /* 124 */ "CHECK", + /* 125 */ "REFERENCES", + /* 126 */ "AUTOINCR", + /* 127 */ "INSERT", + /* 128 */ "DELETE", + /* 129 */ "UPDATE", + /* 130 */ "SET", + /* 131 */ "DEFERRABLE", + /* 132 */ "FOREIGN", + /* 133 */ "DROP", + /* 134 */ "UNION", + /* 135 */ "ALL", + /* 136 */ "EXCEPT", + /* 137 */ "INTERSECT", + /* 138 */ "SELECT", + /* 139 */ "VALUES", + /* 140 */ "DISTINCT", + /* 141 */ "DOT", + /* 142 */ "FROM", + /* 143 */ "JOIN", + /* 144 */ "USING", + /* 145 */ "ORDER", + /* 146 */ "GROUP", + /* 147 */ "HAVING", + /* 148 */ "LIMIT", + /* 149 */ "WHERE", + /* 150 */ "RETURNING", + /* 151 */ "INTO", + /* 152 */ "NOTHING", + /* 153 */ "FLOAT", + /* 154 */ "BLOB", + /* 155 */ "INTEGER", + /* 156 */ "VARIABLE", + /* 157 */ "CASE", + /* 158 */ "WHEN", + /* 159 */ "THEN", + /* 160 */ "ELSE", + /* 161 */ "INDEX", + /* 162 */ "ALTER", + /* 163 */ "ADD", + /* 164 */ "WINDOW", + /* 165 */ "OVER", + /* 166 */ "FILTER", + /* 167 */ "COLUMN", + /* 168 */ "AGG_FUNCTION", + /* 169 */ "AGG_COLUMN", + /* 170 */ "TRUEFALSE", + /* 171 */ "ISNOT", + /* 172 */ "FUNCTION", + /* 173 */ "UMINUS", + /* 174 */ "UPLUS", + /* 175 */ "TRUTH", + /* 176 */ "REGISTER", + /* 177 */ "VECTOR", + /* 178 */ "SELECT_COLUMN", + /* 179 */ "IF_NULL_ROW", + /* 180 */ "ASTERISK", + /* 181 */ "SPAN", + /* 182 */ "ERROR", + /* 183 */ "SPACE", + /* 184 */ "ILLEGAL", + /* 185 */ "input", + /* 186 */ "cmdlist", + /* 187 */ "ecmd", + /* 188 */ "cmdx", + /* 189 */ "explain", + /* 190 */ "cmd", + /* 191 */ "transtype", + /* 192 */ "trans_opt", + /* 193 */ "nm", + /* 194 */ "savepoint_opt", + /* 195 */ "create_table", + /* 196 */ "create_table_args", + /* 197 */ "createkw", + /* 198 */ "temp", + /* 199 */ "ifnotexists", + /* 200 */ "dbnm", + /* 201 */ "columnlist", + /* 202 */ "conslist_opt", + /* 203 */ "table_option_set", + /* 204 */ "select", + /* 205 */ "table_option", + /* 206 */ "columnname", + /* 207 */ "carglist", + /* 208 */ "typetoken", + /* 209 */ "typename", + /* 210 */ "signed", + /* 211 */ "plus_num", + /* 212 */ "minus_num", + /* 213 */ "scanpt", + /* 214 */ "scantok", + /* 215 */ "ccons", + /* 216 */ "term", + /* 217 */ "expr", + /* 218 */ "onconf", + /* 219 */ "sortorder", + /* 220 */ "autoinc", + /* 221 */ "eidlist_opt", + /* 222 */ "refargs", + /* 223 */ "defer_subclause", + /* 224 */ "generated", + /* 225 */ "refarg", + /* 226 */ "refact", + /* 227 */ "init_deferred_pred_opt", + /* 228 */ "conslist", + /* 229 */ "tconscomma", + /* 230 */ "tcons", + /* 231 */ "sortlist", + /* 232 */ "eidlist", + /* 233 */ "defer_subclause_opt", + /* 234 */ "orconf", + /* 235 */ "resolvetype", + /* 236 */ "raisetype", + /* 237 */ "ifexists", + /* 238 */ "fullname", + /* 239 */ "selectnowith", + /* 240 */ "oneselect", + /* 241 */ "wqlist", + /* 242 */ "multiselect_op", + /* 243 */ "distinct", + /* 244 */ "selcollist", + /* 245 */ "from", + /* 246 */ "where_opt", + /* 247 */ "groupby_opt", + /* 248 */ "having_opt", + /* 249 */ "orderby_opt", + /* 250 */ "limit_opt", + /* 251 */ "window_clause", + /* 252 */ "values", + /* 253 */ "nexprlist", + /* 254 */ "sclp", + /* 255 */ "as", + /* 256 */ "seltablist", + /* 257 */ "stl_prefix", + /* 258 */ "joinop", + /* 259 */ "on_using", + /* 260 */ "indexed_by", + /* 261 */ "exprlist", + /* 262 */ "xfullname", + /* 263 */ "idlist", + /* 264 */ "indexed_opt", + /* 265 */ "nulls", + /* 266 */ "with", + /* 267 */ "where_opt_ret", + /* 268 */ "setlist", + /* 269 */ "insert_cmd", + /* 270 */ "idlist_opt", + /* 271 */ "upsert", + /* 272 */ "returning", + /* 273 */ "filter_over", + /* 274 */ "likeop", + /* 275 */ "between_op", + /* 276 */ "in_op", + /* 277 */ "paren_exprlist", + /* 278 */ "case_operand", + /* 279 */ "case_exprlist", + /* 280 */ "case_else", + /* 281 */ "uniqueflag", + /* 282 */ "collate", + /* 283 */ "vinto", + /* 284 */ "nmnum", + /* 285 */ "trigger_decl", + /* 286 */ "trigger_cmd_list", + /* 287 */ "trigger_time", + /* 288 */ "trigger_event", + /* 289 */ "foreach_clause", + /* 290 */ "when_clause", + /* 291 */ "trigger_cmd", + /* 292 */ "trnm", + /* 293 */ "tridxby", + /* 294 */ "database_kw_opt", + /* 295 */ "key_opt", + /* 296 */ "add_column_fullname", + /* 297 */ "kwcolumn_opt", + /* 298 */ "create_vtab", + /* 299 */ "vtabarglist", + /* 300 */ "vtabarg", + /* 301 */ "vtabargtoken", + /* 302 */ "lp", + /* 303 */ "anylist", + /* 304 */ "wqitem", + /* 305 */ "wqas", + /* 306 */ "windowdefn_list", + /* 307 */ "windowdefn", + /* 308 */ "window", + /* 309 */ "frame_opt", + /* 310 */ "part_opt", + /* 311 */ "filter_clause", + /* 312 */ "over_clause", + /* 313 */ "range_or_rows", + /* 314 */ "frame_bound", + /* 315 */ "frame_bound_s", + /* 316 */ "frame_bound_e", + /* 317 */ "frame_exclude_opt", + /* 318 */ "frame_exclude", }; #endif /* defined(YYCOVERAGE) || !defined(NDEBUG) */ @@ -155798,372 +171060,390 @@ static const char *const yyRuleName[] = { /* 16 */ "ifnotexists ::= IF NOT EXISTS", /* 17 */ "temp ::= TEMP", /* 18 */ "temp ::=", - /* 19 */ "create_table_args ::= LP columnlist conslist_opt RP table_options", + /* 19 */ "create_table_args ::= LP columnlist conslist_opt RP table_option_set", /* 20 */ "create_table_args ::= AS select", - /* 21 */ "table_options ::=", - /* 22 */ "table_options ::= WITHOUT nm", - /* 23 */ "columnname ::= nm typetoken", - /* 24 */ "typetoken ::=", - /* 25 */ "typetoken ::= typename LP signed RP", - /* 26 */ "typetoken ::= typename LP signed COMMA signed RP", - /* 27 */ "typename ::= typename ID|STRING", - /* 28 */ "scanpt ::=", - /* 29 */ "scantok ::=", - /* 30 */ "ccons ::= CONSTRAINT nm", - /* 31 */ "ccons ::= DEFAULT scantok term", - /* 32 */ "ccons ::= DEFAULT LP expr RP", - /* 33 */ "ccons ::= DEFAULT PLUS scantok term", - /* 34 */ "ccons ::= DEFAULT MINUS scantok term", - /* 35 */ "ccons ::= DEFAULT scantok ID|INDEXED", - /* 36 */ "ccons ::= NOT NULL onconf", - /* 37 */ "ccons ::= PRIMARY KEY sortorder onconf autoinc", - /* 38 */ "ccons ::= UNIQUE onconf", - /* 39 */ "ccons ::= CHECK LP expr RP", - /* 40 */ "ccons ::= REFERENCES nm eidlist_opt refargs", - /* 41 */ "ccons ::= defer_subclause", - /* 42 */ "ccons ::= COLLATE ID|STRING", - /* 43 */ "generated ::= LP expr RP", - /* 44 */ "generated ::= LP expr RP ID", - /* 45 */ "autoinc ::=", - /* 46 */ "autoinc ::= AUTOINCR", - /* 47 */ "refargs ::=", - /* 48 */ "refargs ::= refargs refarg", - /* 49 */ "refarg ::= MATCH nm", - /* 50 */ "refarg ::= ON INSERT refact", - /* 51 */ "refarg ::= ON DELETE refact", - /* 52 */ "refarg ::= ON UPDATE refact", - /* 53 */ "refact ::= SET NULL", - /* 54 */ "refact ::= SET DEFAULT", - /* 55 */ "refact ::= CASCADE", - /* 56 */ "refact ::= RESTRICT", - /* 57 */ "refact ::= NO ACTION", - /* 58 */ "defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt", - /* 59 */ "defer_subclause ::= DEFERRABLE init_deferred_pred_opt", - /* 60 */ "init_deferred_pred_opt ::=", - /* 61 */ "init_deferred_pred_opt ::= INITIALLY DEFERRED", - /* 62 */ "init_deferred_pred_opt ::= INITIALLY IMMEDIATE", - /* 63 */ "conslist_opt ::=", - /* 64 */ "tconscomma ::= COMMA", - /* 65 */ "tcons ::= CONSTRAINT nm", - /* 66 */ "tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf", - /* 67 */ "tcons ::= UNIQUE LP sortlist RP onconf", - /* 68 */ "tcons ::= CHECK LP expr RP onconf", - /* 69 */ "tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt", - /* 70 */ "defer_subclause_opt ::=", - /* 71 */ "onconf ::=", - /* 72 */ "onconf ::= ON CONFLICT resolvetype", - /* 73 */ "orconf ::=", - /* 74 */ "orconf ::= OR resolvetype", - /* 75 */ "resolvetype ::= IGNORE", - /* 76 */ "resolvetype ::= REPLACE", - /* 77 */ "cmd ::= DROP TABLE ifexists fullname", - /* 78 */ "ifexists ::= IF EXISTS", - /* 79 */ "ifexists ::=", - /* 80 */ "cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select", - /* 81 */ "cmd ::= DROP VIEW ifexists fullname", - /* 82 */ "cmd ::= select", - /* 83 */ "select ::= WITH wqlist selectnowith", - /* 84 */ "select ::= WITH RECURSIVE wqlist selectnowith", - /* 85 */ "select ::= selectnowith", - /* 86 */ "selectnowith ::= selectnowith multiselect_op oneselect", - /* 87 */ "multiselect_op ::= UNION", - /* 88 */ "multiselect_op ::= UNION ALL", - /* 89 */ "multiselect_op ::= EXCEPT|INTERSECT", - /* 90 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt", - /* 91 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt", - /* 92 */ "values ::= VALUES LP nexprlist RP", - /* 93 */ "values ::= values COMMA LP nexprlist RP", - /* 94 */ "distinct ::= DISTINCT", - /* 95 */ "distinct ::= ALL", - /* 96 */ "distinct ::=", - /* 97 */ "sclp ::=", - /* 98 */ "selcollist ::= sclp scanpt expr scanpt as", - /* 99 */ "selcollist ::= sclp scanpt STAR", - /* 100 */ "selcollist ::= sclp scanpt nm DOT STAR", - /* 101 */ "as ::= AS nm", - /* 102 */ "as ::=", - /* 103 */ "from ::=", - /* 104 */ "from ::= FROM seltablist", - /* 105 */ "stl_prefix ::= seltablist joinop", - /* 106 */ "stl_prefix ::=", - /* 107 */ "seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt", - /* 108 */ "seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt", - /* 109 */ "seltablist ::= stl_prefix LP select RP as on_opt using_opt", - /* 110 */ "seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt", - /* 111 */ "dbnm ::=", - /* 112 */ "dbnm ::= DOT nm", - /* 113 */ "fullname ::= nm", - /* 114 */ "fullname ::= nm DOT nm", - /* 115 */ "xfullname ::= nm", - /* 116 */ "xfullname ::= nm DOT nm", - /* 117 */ "xfullname ::= nm DOT nm AS nm", - /* 118 */ "xfullname ::= nm AS nm", - /* 119 */ "joinop ::= COMMA|JOIN", - /* 120 */ "joinop ::= JOIN_KW JOIN", - /* 121 */ "joinop ::= JOIN_KW nm JOIN", - /* 122 */ "joinop ::= JOIN_KW nm nm JOIN", - /* 123 */ "on_opt ::= ON expr", - /* 124 */ "on_opt ::=", - /* 125 */ "indexed_opt ::=", - /* 126 */ "indexed_opt ::= INDEXED BY nm", - /* 127 */ "indexed_opt ::= NOT INDEXED", - /* 128 */ "using_opt ::= USING LP idlist RP", - /* 129 */ "using_opt ::=", - /* 130 */ "orderby_opt ::=", - /* 131 */ "orderby_opt ::= ORDER BY sortlist", - /* 132 */ "sortlist ::= sortlist COMMA expr sortorder nulls", - /* 133 */ "sortlist ::= expr sortorder nulls", - /* 134 */ "sortorder ::= ASC", - /* 135 */ "sortorder ::= DESC", - /* 136 */ "sortorder ::=", - /* 137 */ "nulls ::= NULLS FIRST", - /* 138 */ "nulls ::= NULLS LAST", - /* 139 */ "nulls ::=", - /* 140 */ "groupby_opt ::=", - /* 141 */ "groupby_opt ::= GROUP BY nexprlist", - /* 142 */ "having_opt ::=", - /* 143 */ "having_opt ::= HAVING expr", - /* 144 */ "limit_opt ::=", - /* 145 */ "limit_opt ::= LIMIT expr", - /* 146 */ "limit_opt ::= LIMIT expr OFFSET expr", - /* 147 */ "limit_opt ::= LIMIT expr COMMA expr", - /* 148 */ "cmd ::= with DELETE FROM xfullname indexed_opt where_opt", - /* 149 */ "where_opt ::=", - /* 150 */ "where_opt ::= WHERE expr", - /* 151 */ "cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt", - /* 152 */ "setlist ::= setlist COMMA nm EQ expr", - /* 153 */ "setlist ::= setlist COMMA LP idlist RP EQ expr", - /* 154 */ "setlist ::= nm EQ expr", - /* 155 */ "setlist ::= LP idlist RP EQ expr", - /* 156 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert", - /* 157 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES", - /* 158 */ "upsert ::=", - /* 159 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt", - /* 160 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING", - /* 161 */ "upsert ::= ON CONFLICT DO NOTHING", - /* 162 */ "insert_cmd ::= INSERT orconf", - /* 163 */ "insert_cmd ::= REPLACE", - /* 164 */ "idlist_opt ::=", - /* 165 */ "idlist_opt ::= LP idlist RP", - /* 166 */ "idlist ::= idlist COMMA nm", - /* 167 */ "idlist ::= nm", - /* 168 */ "expr ::= LP expr RP", - /* 169 */ "expr ::= ID|INDEXED", - /* 170 */ "expr ::= JOIN_KW", - /* 171 */ "expr ::= nm DOT nm", - /* 172 */ "expr ::= nm DOT nm DOT nm", - /* 173 */ "term ::= NULL|FLOAT|BLOB", - /* 174 */ "term ::= STRING", - /* 175 */ "term ::= INTEGER", - /* 176 */ "expr ::= VARIABLE", - /* 177 */ "expr ::= expr COLLATE ID|STRING", - /* 178 */ "expr ::= CAST LP expr AS typetoken RP", - /* 179 */ "expr ::= ID|INDEXED LP distinct exprlist RP", - /* 180 */ "expr ::= ID|INDEXED LP STAR RP", - /* 181 */ "expr ::= ID|INDEXED LP distinct exprlist RP filter_over", - /* 182 */ "expr ::= ID|INDEXED LP STAR RP filter_over", - /* 183 */ "term ::= CTIME_KW", - /* 184 */ "expr ::= LP nexprlist COMMA expr RP", - /* 185 */ "expr ::= expr AND expr", - /* 186 */ "expr ::= expr OR expr", - /* 187 */ "expr ::= expr LT|GT|GE|LE expr", - /* 188 */ "expr ::= expr EQ|NE expr", - /* 189 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", - /* 190 */ "expr ::= expr PLUS|MINUS expr", - /* 191 */ "expr ::= expr STAR|SLASH|REM expr", - /* 192 */ "expr ::= expr CONCAT expr", - /* 193 */ "likeop ::= NOT LIKE_KW|MATCH", - /* 194 */ "expr ::= expr likeop expr", - /* 195 */ "expr ::= expr likeop expr ESCAPE expr", - /* 196 */ "expr ::= expr ISNULL|NOTNULL", - /* 197 */ "expr ::= expr NOT NULL", - /* 198 */ "expr ::= expr IS expr", - /* 199 */ "expr ::= expr IS NOT expr", - /* 200 */ "expr ::= NOT expr", - /* 201 */ "expr ::= BITNOT expr", - /* 202 */ "expr ::= PLUS|MINUS expr", - /* 203 */ "between_op ::= BETWEEN", - /* 204 */ "between_op ::= NOT BETWEEN", - /* 205 */ "expr ::= expr between_op expr AND expr", - /* 206 */ "in_op ::= IN", - /* 207 */ "in_op ::= NOT IN", - /* 208 */ "expr ::= expr in_op LP exprlist RP", - /* 209 */ "expr ::= LP select RP", - /* 210 */ "expr ::= expr in_op LP select RP", - /* 211 */ "expr ::= expr in_op nm dbnm paren_exprlist", - /* 212 */ "expr ::= EXISTS LP select RP", - /* 213 */ "expr ::= CASE case_operand case_exprlist case_else END", - /* 214 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", - /* 215 */ "case_exprlist ::= WHEN expr THEN expr", - /* 216 */ "case_else ::= ELSE expr", - /* 217 */ "case_else ::=", - /* 218 */ "case_operand ::= expr", - /* 219 */ "case_operand ::=", - /* 220 */ "exprlist ::=", - /* 221 */ "nexprlist ::= nexprlist COMMA expr", - /* 222 */ "nexprlist ::= expr", - /* 223 */ "paren_exprlist ::=", - /* 224 */ "paren_exprlist ::= LP exprlist RP", - /* 225 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt", - /* 226 */ "uniqueflag ::= UNIQUE", - /* 227 */ "uniqueflag ::=", - /* 228 */ "eidlist_opt ::=", - /* 229 */ "eidlist_opt ::= LP eidlist RP", - /* 230 */ "eidlist ::= eidlist COMMA nm collate sortorder", - /* 231 */ "eidlist ::= nm collate sortorder", - /* 232 */ "collate ::=", - /* 233 */ "collate ::= COLLATE ID|STRING", - /* 234 */ "cmd ::= DROP INDEX ifexists fullname", - /* 235 */ "cmd ::= VACUUM vinto", - /* 236 */ "cmd ::= VACUUM nm vinto", - /* 237 */ "vinto ::= INTO expr", - /* 238 */ "vinto ::=", - /* 239 */ "cmd ::= PRAGMA nm dbnm", - /* 240 */ "cmd ::= PRAGMA nm dbnm EQ nmnum", - /* 241 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP", - /* 242 */ "cmd ::= PRAGMA nm dbnm EQ minus_num", - /* 243 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP", - /* 244 */ "plus_num ::= PLUS INTEGER|FLOAT", - /* 245 */ "minus_num ::= MINUS INTEGER|FLOAT", - /* 246 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END", - /* 247 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause", - /* 248 */ "trigger_time ::= BEFORE|AFTER", - /* 249 */ "trigger_time ::= INSTEAD OF", - /* 250 */ "trigger_time ::=", - /* 251 */ "trigger_event ::= DELETE|INSERT", - /* 252 */ "trigger_event ::= UPDATE", - /* 253 */ "trigger_event ::= UPDATE OF idlist", - /* 254 */ "when_clause ::=", - /* 255 */ "when_clause ::= WHEN expr", - /* 256 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", - /* 257 */ "trigger_cmd_list ::= trigger_cmd SEMI", - /* 258 */ "trnm ::= nm DOT nm", - /* 259 */ "tridxby ::= INDEXED BY nm", - /* 260 */ "tridxby ::= NOT INDEXED", - /* 261 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt", - /* 262 */ "trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt", - /* 263 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt", - /* 264 */ "trigger_cmd ::= scanpt select scanpt", - /* 265 */ "expr ::= RAISE LP IGNORE RP", - /* 266 */ "expr ::= RAISE LP raisetype COMMA nm RP", - /* 267 */ "raisetype ::= ROLLBACK", - /* 268 */ "raisetype ::= ABORT", - /* 269 */ "raisetype ::= FAIL", - /* 270 */ "cmd ::= DROP TRIGGER ifexists fullname", - /* 271 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", - /* 272 */ "cmd ::= DETACH database_kw_opt expr", - /* 273 */ "key_opt ::=", - /* 274 */ "key_opt ::= KEY expr", - /* 275 */ "cmd ::= REINDEX", - /* 276 */ "cmd ::= REINDEX nm dbnm", - /* 277 */ "cmd ::= ANALYZE", - /* 278 */ "cmd ::= ANALYZE nm dbnm", - /* 279 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", - /* 280 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist", - /* 281 */ "add_column_fullname ::= fullname", - /* 282 */ "cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm", - /* 283 */ "cmd ::= create_vtab", - /* 284 */ "cmd ::= create_vtab LP vtabarglist RP", - /* 285 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm", - /* 286 */ "vtabarg ::=", - /* 287 */ "vtabargtoken ::= ANY", - /* 288 */ "vtabargtoken ::= lp anylist RP", - /* 289 */ "lp ::= LP", - /* 290 */ "with ::= WITH wqlist", - /* 291 */ "with ::= WITH RECURSIVE wqlist", - /* 292 */ "wqlist ::= nm eidlist_opt AS LP select RP", - /* 293 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP", - /* 294 */ "windowdefn_list ::= windowdefn", - /* 295 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", - /* 296 */ "windowdefn ::= nm AS LP window RP", - /* 297 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", - /* 298 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", - /* 299 */ "window ::= ORDER BY sortlist frame_opt", - /* 300 */ "window ::= nm ORDER BY sortlist frame_opt", - /* 301 */ "window ::= frame_opt", - /* 302 */ "window ::= nm frame_opt", - /* 303 */ "frame_opt ::=", - /* 304 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", - /* 305 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", - /* 306 */ "range_or_rows ::= RANGE|ROWS|GROUPS", - /* 307 */ "frame_bound_s ::= frame_bound", - /* 308 */ "frame_bound_s ::= UNBOUNDED PRECEDING", - /* 309 */ "frame_bound_e ::= frame_bound", - /* 310 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", - /* 311 */ "frame_bound ::= expr PRECEDING|FOLLOWING", - /* 312 */ "frame_bound ::= CURRENT ROW", - /* 313 */ "frame_exclude_opt ::=", - /* 314 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", - /* 315 */ "frame_exclude ::= NO OTHERS", - /* 316 */ "frame_exclude ::= CURRENT ROW", - /* 317 */ "frame_exclude ::= GROUP|TIES", - /* 318 */ "window_clause ::= WINDOW windowdefn_list", - /* 319 */ "filter_over ::= filter_clause over_clause", - /* 320 */ "filter_over ::= over_clause", - /* 321 */ "filter_over ::= filter_clause", - /* 322 */ "over_clause ::= OVER LP window RP", - /* 323 */ "over_clause ::= OVER nm", - /* 324 */ "filter_clause ::= FILTER LP WHERE expr RP", - /* 325 */ "input ::= cmdlist", - /* 326 */ "cmdlist ::= cmdlist ecmd", - /* 327 */ "cmdlist ::= ecmd", - /* 328 */ "ecmd ::= SEMI", - /* 329 */ "ecmd ::= cmdx SEMI", - /* 330 */ "ecmd ::= explain cmdx SEMI", - /* 331 */ "trans_opt ::=", - /* 332 */ "trans_opt ::= TRANSACTION", - /* 333 */ "trans_opt ::= TRANSACTION nm", - /* 334 */ "savepoint_opt ::= SAVEPOINT", - /* 335 */ "savepoint_opt ::=", - /* 336 */ "cmd ::= create_table create_table_args", - /* 337 */ "columnlist ::= columnlist COMMA columnname carglist", - /* 338 */ "columnlist ::= columnname carglist", - /* 339 */ "nm ::= ID|INDEXED", - /* 340 */ "nm ::= STRING", - /* 341 */ "nm ::= JOIN_KW", - /* 342 */ "typetoken ::= typename", - /* 343 */ "typename ::= ID|STRING", - /* 344 */ "signed ::= plus_num", - /* 345 */ "signed ::= minus_num", - /* 346 */ "carglist ::= carglist ccons", - /* 347 */ "carglist ::=", - /* 348 */ "ccons ::= NULL onconf", - /* 349 */ "ccons ::= GENERATED ALWAYS AS generated", - /* 350 */ "ccons ::= AS generated", - /* 351 */ "conslist_opt ::= COMMA conslist", - /* 352 */ "conslist ::= conslist tconscomma tcons", - /* 353 */ "conslist ::= tcons", - /* 354 */ "tconscomma ::=", - /* 355 */ "defer_subclause_opt ::= defer_subclause", - /* 356 */ "resolvetype ::= raisetype", - /* 357 */ "selectnowith ::= oneselect", - /* 358 */ "oneselect ::= values", - /* 359 */ "sclp ::= selcollist COMMA", - /* 360 */ "as ::= ID|STRING", - /* 361 */ "expr ::= term", - /* 362 */ "likeop ::= LIKE_KW|MATCH", - /* 363 */ "exprlist ::= nexprlist", - /* 364 */ "nmnum ::= plus_num", - /* 365 */ "nmnum ::= nm", - /* 366 */ "nmnum ::= ON", - /* 367 */ "nmnum ::= DELETE", - /* 368 */ "nmnum ::= DEFAULT", - /* 369 */ "plus_num ::= INTEGER|FLOAT", - /* 370 */ "foreach_clause ::=", - /* 371 */ "foreach_clause ::= FOR EACH ROW", - /* 372 */ "trnm ::= nm", - /* 373 */ "tridxby ::=", - /* 374 */ "database_kw_opt ::= DATABASE", - /* 375 */ "database_kw_opt ::=", - /* 376 */ "kwcolumn_opt ::=", - /* 377 */ "kwcolumn_opt ::= COLUMNKW", - /* 378 */ "vtabarglist ::= vtabarg", - /* 379 */ "vtabarglist ::= vtabarglist COMMA vtabarg", - /* 380 */ "vtabarg ::= vtabarg vtabargtoken", - /* 381 */ "anylist ::=", - /* 382 */ "anylist ::= anylist LP anylist RP", - /* 383 */ "anylist ::= anylist ANY", - /* 384 */ "with ::=", + /* 21 */ "table_option_set ::=", + /* 22 */ "table_option_set ::= table_option_set COMMA table_option", + /* 23 */ "table_option ::= WITHOUT nm", + /* 24 */ "table_option ::= nm", + /* 25 */ "columnname ::= nm typetoken", + /* 26 */ "typetoken ::=", + /* 27 */ "typetoken ::= typename LP signed RP", + /* 28 */ "typetoken ::= typename LP signed COMMA signed RP", + /* 29 */ "typename ::= typename ID|STRING", + /* 30 */ "scanpt ::=", + /* 31 */ "scantok ::=", + /* 32 */ "ccons ::= CONSTRAINT nm", + /* 33 */ "ccons ::= DEFAULT scantok term", + /* 34 */ "ccons ::= DEFAULT LP expr RP", + /* 35 */ "ccons ::= DEFAULT PLUS scantok term", + /* 36 */ "ccons ::= DEFAULT MINUS scantok term", + /* 37 */ "ccons ::= DEFAULT scantok ID|INDEXED", + /* 38 */ "ccons ::= NOT NULL onconf", + /* 39 */ "ccons ::= PRIMARY KEY sortorder onconf autoinc", + /* 40 */ "ccons ::= UNIQUE onconf", + /* 41 */ "ccons ::= CHECK LP expr RP", + /* 42 */ "ccons ::= REFERENCES nm eidlist_opt refargs", + /* 43 */ "ccons ::= defer_subclause", + /* 44 */ "ccons ::= COLLATE ID|STRING", + /* 45 */ "generated ::= LP expr RP", + /* 46 */ "generated ::= LP expr RP ID", + /* 47 */ "autoinc ::=", + /* 48 */ "autoinc ::= AUTOINCR", + /* 49 */ "refargs ::=", + /* 50 */ "refargs ::= refargs refarg", + /* 51 */ "refarg ::= MATCH nm", + /* 52 */ "refarg ::= ON INSERT refact", + /* 53 */ "refarg ::= ON DELETE refact", + /* 54 */ "refarg ::= ON UPDATE refact", + /* 55 */ "refact ::= SET NULL", + /* 56 */ "refact ::= SET DEFAULT", + /* 57 */ "refact ::= CASCADE", + /* 58 */ "refact ::= RESTRICT", + /* 59 */ "refact ::= NO ACTION", + /* 60 */ "defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt", + /* 61 */ "defer_subclause ::= DEFERRABLE init_deferred_pred_opt", + /* 62 */ "init_deferred_pred_opt ::=", + /* 63 */ "init_deferred_pred_opt ::= INITIALLY DEFERRED", + /* 64 */ "init_deferred_pred_opt ::= INITIALLY IMMEDIATE", + /* 65 */ "conslist_opt ::=", + /* 66 */ "tconscomma ::= COMMA", + /* 67 */ "tcons ::= CONSTRAINT nm", + /* 68 */ "tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf", + /* 69 */ "tcons ::= UNIQUE LP sortlist RP onconf", + /* 70 */ "tcons ::= CHECK LP expr RP onconf", + /* 71 */ "tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt", + /* 72 */ "defer_subclause_opt ::=", + /* 73 */ "onconf ::=", + /* 74 */ "onconf ::= ON CONFLICT resolvetype", + /* 75 */ "orconf ::=", + /* 76 */ "orconf ::= OR resolvetype", + /* 77 */ "resolvetype ::= IGNORE", + /* 78 */ "resolvetype ::= REPLACE", + /* 79 */ "cmd ::= DROP TABLE ifexists fullname", + /* 80 */ "ifexists ::= IF EXISTS", + /* 81 */ "ifexists ::=", + /* 82 */ "cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select", + /* 83 */ "cmd ::= DROP VIEW ifexists fullname", + /* 84 */ "cmd ::= select", + /* 85 */ "select ::= WITH wqlist selectnowith", + /* 86 */ "select ::= WITH RECURSIVE wqlist selectnowith", + /* 87 */ "select ::= selectnowith", + /* 88 */ "selectnowith ::= selectnowith multiselect_op oneselect", + /* 89 */ "multiselect_op ::= UNION", + /* 90 */ "multiselect_op ::= UNION ALL", + /* 91 */ "multiselect_op ::= EXCEPT|INTERSECT", + /* 92 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt", + /* 93 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt", + /* 94 */ "values ::= VALUES LP nexprlist RP", + /* 95 */ "values ::= values COMMA LP nexprlist RP", + /* 96 */ "distinct ::= DISTINCT", + /* 97 */ "distinct ::= ALL", + /* 98 */ "distinct ::=", + /* 99 */ "sclp ::=", + /* 100 */ "selcollist ::= sclp scanpt expr scanpt as", + /* 101 */ "selcollist ::= sclp scanpt STAR", + /* 102 */ "selcollist ::= sclp scanpt nm DOT STAR", + /* 103 */ "as ::= AS nm", + /* 104 */ "as ::=", + /* 105 */ "from ::=", + /* 106 */ "from ::= FROM seltablist", + /* 107 */ "stl_prefix ::= seltablist joinop", + /* 108 */ "stl_prefix ::=", + /* 109 */ "seltablist ::= stl_prefix nm dbnm as on_using", + /* 110 */ "seltablist ::= stl_prefix nm dbnm as indexed_by on_using", + /* 111 */ "seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_using", + /* 112 */ "seltablist ::= stl_prefix LP select RP as on_using", + /* 113 */ "seltablist ::= stl_prefix LP seltablist RP as on_using", + /* 114 */ "dbnm ::=", + /* 115 */ "dbnm ::= DOT nm", + /* 116 */ "fullname ::= nm", + /* 117 */ "fullname ::= nm DOT nm", + /* 118 */ "xfullname ::= nm", + /* 119 */ "xfullname ::= nm DOT nm", + /* 120 */ "xfullname ::= nm DOT nm AS nm", + /* 121 */ "xfullname ::= nm AS nm", + /* 122 */ "joinop ::= COMMA|JOIN", + /* 123 */ "joinop ::= JOIN_KW JOIN", + /* 124 */ "joinop ::= JOIN_KW nm JOIN", + /* 125 */ "joinop ::= JOIN_KW nm nm JOIN", + /* 126 */ "on_using ::= ON expr", + /* 127 */ "on_using ::= USING LP idlist RP", + /* 128 */ "on_using ::=", + /* 129 */ "indexed_opt ::=", + /* 130 */ "indexed_by ::= INDEXED BY nm", + /* 131 */ "indexed_by ::= NOT INDEXED", + /* 132 */ "orderby_opt ::=", + /* 133 */ "orderby_opt ::= ORDER BY sortlist", + /* 134 */ "sortlist ::= sortlist COMMA expr sortorder nulls", + /* 135 */ "sortlist ::= expr sortorder nulls", + /* 136 */ "sortorder ::= ASC", + /* 137 */ "sortorder ::= DESC", + /* 138 */ "sortorder ::=", + /* 139 */ "nulls ::= NULLS FIRST", + /* 140 */ "nulls ::= NULLS LAST", + /* 141 */ "nulls ::=", + /* 142 */ "groupby_opt ::=", + /* 143 */ "groupby_opt ::= GROUP BY nexprlist", + /* 144 */ "having_opt ::=", + /* 145 */ "having_opt ::= HAVING expr", + /* 146 */ "limit_opt ::=", + /* 147 */ "limit_opt ::= LIMIT expr", + /* 148 */ "limit_opt ::= LIMIT expr OFFSET expr", + /* 149 */ "limit_opt ::= LIMIT expr COMMA expr", + /* 150 */ "cmd ::= with DELETE FROM xfullname indexed_opt where_opt_ret", + /* 151 */ "where_opt ::=", + /* 152 */ "where_opt ::= WHERE expr", + /* 153 */ "where_opt_ret ::=", + /* 154 */ "where_opt_ret ::= WHERE expr", + /* 155 */ "where_opt_ret ::= RETURNING selcollist", + /* 156 */ "where_opt_ret ::= WHERE expr RETURNING selcollist", + /* 157 */ "cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt_ret", + /* 158 */ "setlist ::= setlist COMMA nm EQ expr", + /* 159 */ "setlist ::= setlist COMMA LP idlist RP EQ expr", + /* 160 */ "setlist ::= nm EQ expr", + /* 161 */ "setlist ::= LP idlist RP EQ expr", + /* 162 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert", + /* 163 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES returning", + /* 164 */ "upsert ::=", + /* 165 */ "upsert ::= RETURNING selcollist", + /* 166 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt upsert", + /* 167 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING upsert", + /* 168 */ "upsert ::= ON CONFLICT DO NOTHING returning", + /* 169 */ "upsert ::= ON CONFLICT DO UPDATE SET setlist where_opt returning", + /* 170 */ "returning ::= RETURNING selcollist", + /* 171 */ "insert_cmd ::= INSERT orconf", + /* 172 */ "insert_cmd ::= REPLACE", + /* 173 */ "idlist_opt ::=", + /* 174 */ "idlist_opt ::= LP idlist RP", + /* 175 */ "idlist ::= idlist COMMA nm", + /* 176 */ "idlist ::= nm", + /* 177 */ "expr ::= LP expr RP", + /* 178 */ "expr ::= ID|INDEXED|JOIN_KW", + /* 179 */ "expr ::= nm DOT nm", + /* 180 */ "expr ::= nm DOT nm DOT nm", + /* 181 */ "term ::= NULL|FLOAT|BLOB", + /* 182 */ "term ::= STRING", + /* 183 */ "term ::= INTEGER", + /* 184 */ "expr ::= VARIABLE", + /* 185 */ "expr ::= expr COLLATE ID|STRING", + /* 186 */ "expr ::= CAST LP expr AS typetoken RP", + /* 187 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP", + /* 188 */ "expr ::= ID|INDEXED|JOIN_KW LP STAR RP", + /* 189 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over", + /* 190 */ "expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over", + /* 191 */ "term ::= CTIME_KW", + /* 192 */ "expr ::= LP nexprlist COMMA expr RP", + /* 193 */ "expr ::= expr AND expr", + /* 194 */ "expr ::= expr OR expr", + /* 195 */ "expr ::= expr LT|GT|GE|LE expr", + /* 196 */ "expr ::= expr EQ|NE expr", + /* 197 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", + /* 198 */ "expr ::= expr PLUS|MINUS expr", + /* 199 */ "expr ::= expr STAR|SLASH|REM expr", + /* 200 */ "expr ::= expr CONCAT expr", + /* 201 */ "likeop ::= NOT LIKE_KW|MATCH", + /* 202 */ "expr ::= expr likeop expr", + /* 203 */ "expr ::= expr likeop expr ESCAPE expr", + /* 204 */ "expr ::= expr ISNULL|NOTNULL", + /* 205 */ "expr ::= expr NOT NULL", + /* 206 */ "expr ::= expr IS expr", + /* 207 */ "expr ::= expr IS NOT expr", + /* 208 */ "expr ::= expr IS NOT DISTINCT FROM expr", + /* 209 */ "expr ::= expr IS DISTINCT FROM expr", + /* 210 */ "expr ::= NOT expr", + /* 211 */ "expr ::= BITNOT expr", + /* 212 */ "expr ::= PLUS|MINUS expr", + /* 213 */ "expr ::= expr PTR expr", + /* 214 */ "between_op ::= BETWEEN", + /* 215 */ "between_op ::= NOT BETWEEN", + /* 216 */ "expr ::= expr between_op expr AND expr", + /* 217 */ "in_op ::= IN", + /* 218 */ "in_op ::= NOT IN", + /* 219 */ "expr ::= expr in_op LP exprlist RP", + /* 220 */ "expr ::= LP select RP", + /* 221 */ "expr ::= expr in_op LP select RP", + /* 222 */ "expr ::= expr in_op nm dbnm paren_exprlist", + /* 223 */ "expr ::= EXISTS LP select RP", + /* 224 */ "expr ::= CASE case_operand case_exprlist case_else END", + /* 225 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", + /* 226 */ "case_exprlist ::= WHEN expr THEN expr", + /* 227 */ "case_else ::= ELSE expr", + /* 228 */ "case_else ::=", + /* 229 */ "case_operand ::=", + /* 230 */ "exprlist ::=", + /* 231 */ "nexprlist ::= nexprlist COMMA expr", + /* 232 */ "nexprlist ::= expr", + /* 233 */ "paren_exprlist ::=", + /* 234 */ "paren_exprlist ::= LP exprlist RP", + /* 235 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt", + /* 236 */ "uniqueflag ::= UNIQUE", + /* 237 */ "uniqueflag ::=", + /* 238 */ "eidlist_opt ::=", + /* 239 */ "eidlist_opt ::= LP eidlist RP", + /* 240 */ "eidlist ::= eidlist COMMA nm collate sortorder", + /* 241 */ "eidlist ::= nm collate sortorder", + /* 242 */ "collate ::=", + /* 243 */ "collate ::= COLLATE ID|STRING", + /* 244 */ "cmd ::= DROP INDEX ifexists fullname", + /* 245 */ "cmd ::= VACUUM vinto", + /* 246 */ "cmd ::= VACUUM nm vinto", + /* 247 */ "vinto ::= INTO expr", + /* 248 */ "vinto ::=", + /* 249 */ "cmd ::= PRAGMA nm dbnm", + /* 250 */ "cmd ::= PRAGMA nm dbnm EQ nmnum", + /* 251 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP", + /* 252 */ "cmd ::= PRAGMA nm dbnm EQ minus_num", + /* 253 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP", + /* 254 */ "plus_num ::= PLUS INTEGER|FLOAT", + /* 255 */ "minus_num ::= MINUS INTEGER|FLOAT", + /* 256 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END", + /* 257 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause", + /* 258 */ "trigger_time ::= BEFORE|AFTER", + /* 259 */ "trigger_time ::= INSTEAD OF", + /* 260 */ "trigger_time ::=", + /* 261 */ "trigger_event ::= DELETE|INSERT", + /* 262 */ "trigger_event ::= UPDATE", + /* 263 */ "trigger_event ::= UPDATE OF idlist", + /* 264 */ "when_clause ::=", + /* 265 */ "when_clause ::= WHEN expr", + /* 266 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", + /* 267 */ "trigger_cmd_list ::= trigger_cmd SEMI", + /* 268 */ "trnm ::= nm DOT nm", + /* 269 */ "tridxby ::= INDEXED BY nm", + /* 270 */ "tridxby ::= NOT INDEXED", + /* 271 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt", + /* 272 */ "trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt", + /* 273 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt", + /* 274 */ "trigger_cmd ::= scanpt select scanpt", + /* 275 */ "expr ::= RAISE LP IGNORE RP", + /* 276 */ "expr ::= RAISE LP raisetype COMMA nm RP", + /* 277 */ "raisetype ::= ROLLBACK", + /* 278 */ "raisetype ::= ABORT", + /* 279 */ "raisetype ::= FAIL", + /* 280 */ "cmd ::= DROP TRIGGER ifexists fullname", + /* 281 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", + /* 282 */ "cmd ::= DETACH database_kw_opt expr", + /* 283 */ "key_opt ::=", + /* 284 */ "key_opt ::= KEY expr", + /* 285 */ "cmd ::= REINDEX", + /* 286 */ "cmd ::= REINDEX nm dbnm", + /* 287 */ "cmd ::= ANALYZE", + /* 288 */ "cmd ::= ANALYZE nm dbnm", + /* 289 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", + /* 290 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist", + /* 291 */ "cmd ::= ALTER TABLE fullname DROP kwcolumn_opt nm", + /* 292 */ "add_column_fullname ::= fullname", + /* 293 */ "cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm", + /* 294 */ "cmd ::= create_vtab", + /* 295 */ "cmd ::= create_vtab LP vtabarglist RP", + /* 296 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm", + /* 297 */ "vtabarg ::=", + /* 298 */ "vtabargtoken ::= ANY", + /* 299 */ "vtabargtoken ::= lp anylist RP", + /* 300 */ "lp ::= LP", + /* 301 */ "with ::= WITH wqlist", + /* 302 */ "with ::= WITH RECURSIVE wqlist", + /* 303 */ "wqas ::= AS", + /* 304 */ "wqas ::= AS MATERIALIZED", + /* 305 */ "wqas ::= AS NOT MATERIALIZED", + /* 306 */ "wqitem ::= nm eidlist_opt wqas LP select RP", + /* 307 */ "wqlist ::= wqitem", + /* 308 */ "wqlist ::= wqlist COMMA wqitem", + /* 309 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", + /* 310 */ "windowdefn ::= nm AS LP window RP", + /* 311 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", + /* 312 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", + /* 313 */ "window ::= ORDER BY sortlist frame_opt", + /* 314 */ "window ::= nm ORDER BY sortlist frame_opt", + /* 315 */ "window ::= nm frame_opt", + /* 316 */ "frame_opt ::=", + /* 317 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", + /* 318 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", + /* 319 */ "range_or_rows ::= RANGE|ROWS|GROUPS", + /* 320 */ "frame_bound_s ::= frame_bound", + /* 321 */ "frame_bound_s ::= UNBOUNDED PRECEDING", + /* 322 */ "frame_bound_e ::= frame_bound", + /* 323 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", + /* 324 */ "frame_bound ::= expr PRECEDING|FOLLOWING", + /* 325 */ "frame_bound ::= CURRENT ROW", + /* 326 */ "frame_exclude_opt ::=", + /* 327 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", + /* 328 */ "frame_exclude ::= NO OTHERS", + /* 329 */ "frame_exclude ::= CURRENT ROW", + /* 330 */ "frame_exclude ::= GROUP|TIES", + /* 331 */ "window_clause ::= WINDOW windowdefn_list", + /* 332 */ "filter_over ::= filter_clause over_clause", + /* 333 */ "filter_over ::= over_clause", + /* 334 */ "filter_over ::= filter_clause", + /* 335 */ "over_clause ::= OVER LP window RP", + /* 336 */ "over_clause ::= OVER nm", + /* 337 */ "filter_clause ::= FILTER LP WHERE expr RP", + /* 338 */ "input ::= cmdlist", + /* 339 */ "cmdlist ::= cmdlist ecmd", + /* 340 */ "cmdlist ::= ecmd", + /* 341 */ "ecmd ::= SEMI", + /* 342 */ "ecmd ::= cmdx SEMI", + /* 343 */ "ecmd ::= explain cmdx SEMI", + /* 344 */ "trans_opt ::=", + /* 345 */ "trans_opt ::= TRANSACTION", + /* 346 */ "trans_opt ::= TRANSACTION nm", + /* 347 */ "savepoint_opt ::= SAVEPOINT", + /* 348 */ "savepoint_opt ::=", + /* 349 */ "cmd ::= create_table create_table_args", + /* 350 */ "table_option_set ::= table_option", + /* 351 */ "columnlist ::= columnlist COMMA columnname carglist", + /* 352 */ "columnlist ::= columnname carglist", + /* 353 */ "nm ::= ID|INDEXED|JOIN_KW", + /* 354 */ "nm ::= STRING", + /* 355 */ "typetoken ::= typename", + /* 356 */ "typename ::= ID|STRING", + /* 357 */ "signed ::= plus_num", + /* 358 */ "signed ::= minus_num", + /* 359 */ "carglist ::= carglist ccons", + /* 360 */ "carglist ::=", + /* 361 */ "ccons ::= NULL onconf", + /* 362 */ "ccons ::= GENERATED ALWAYS AS generated", + /* 363 */ "ccons ::= AS generated", + /* 364 */ "conslist_opt ::= COMMA conslist", + /* 365 */ "conslist ::= conslist tconscomma tcons", + /* 366 */ "conslist ::= tcons", + /* 367 */ "tconscomma ::=", + /* 368 */ "defer_subclause_opt ::= defer_subclause", + /* 369 */ "resolvetype ::= raisetype", + /* 370 */ "selectnowith ::= oneselect", + /* 371 */ "oneselect ::= values", + /* 372 */ "sclp ::= selcollist COMMA", + /* 373 */ "as ::= ID|STRING", + /* 374 */ "indexed_opt ::= indexed_by", + /* 375 */ "returning ::=", + /* 376 */ "expr ::= term", + /* 377 */ "likeop ::= LIKE_KW|MATCH", + /* 378 */ "case_operand ::= expr", + /* 379 */ "exprlist ::= nexprlist", + /* 380 */ "nmnum ::= plus_num", + /* 381 */ "nmnum ::= nm", + /* 382 */ "nmnum ::= ON", + /* 383 */ "nmnum ::= DELETE", + /* 384 */ "nmnum ::= DEFAULT", + /* 385 */ "plus_num ::= INTEGER|FLOAT", + /* 386 */ "foreach_clause ::=", + /* 387 */ "foreach_clause ::= FOR EACH ROW", + /* 388 */ "trnm ::= nm", + /* 389 */ "tridxby ::=", + /* 390 */ "database_kw_opt ::= DATABASE", + /* 391 */ "database_kw_opt ::=", + /* 392 */ "kwcolumn_opt ::=", + /* 393 */ "kwcolumn_opt ::= COLUMNKW", + /* 394 */ "vtabarglist ::= vtabarg", + /* 395 */ "vtabarglist ::= vtabarglist COMMA vtabarg", + /* 396 */ "vtabarg ::= vtabarg vtabargtoken", + /* 397 */ "anylist ::=", + /* 398 */ "anylist ::= anylist LP anylist RP", + /* 399 */ "anylist ::= anylist ANY", + /* 400 */ "with ::=", + /* 401 */ "windowdefn_list ::= windowdefn", + /* 402 */ "window ::= frame_opt", }; #endif /* NDEBUG */ @@ -156289,98 +171569,97 @@ static void yy_destructor( ** inside the C code. */ /********* Begin destructor definitions ***************************************/ - case 200: /* select */ - case 234: /* selectnowith */ - case 235: /* oneselect */ - case 247: /* values */ + case 204: /* select */ + case 239: /* selectnowith */ + case 240: /* oneselect */ + case 252: /* values */ { -sqlite3SelectDelete(pParse->db, (yypminor->yy539)); -} - break; - case 211: /* term */ - case 212: /* expr */ - case 241: /* where_opt */ - case 243: /* having_opt */ - case 255: /* on_opt */ - case 271: /* case_operand */ - case 273: /* case_else */ - case 276: /* vinto */ - case 283: /* when_clause */ - case 288: /* key_opt */ - case 302: /* filter_clause */ +sqlite3SelectDelete(pParse->db, (yypminor->yy47)); +} + break; + case 216: /* term */ + case 217: /* expr */ + case 246: /* where_opt */ + case 248: /* having_opt */ + case 267: /* where_opt_ret */ + case 278: /* case_operand */ + case 280: /* case_else */ + case 283: /* vinto */ + case 290: /* when_clause */ + case 295: /* key_opt */ + case 311: /* filter_clause */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy202)); -} - break; - case 216: /* eidlist_opt */ - case 226: /* sortlist */ - case 227: /* eidlist */ - case 239: /* selcollist */ - case 242: /* groupby_opt */ - case 244: /* orderby_opt */ - case 248: /* nexprlist */ - case 249: /* sclp */ - case 257: /* exprlist */ - case 262: /* setlist */ - case 270: /* paren_exprlist */ - case 272: /* case_exprlist */ - case 301: /* part_opt */ +sqlite3ExprDelete(pParse->db, (yypminor->yy528)); +} + break; + case 221: /* eidlist_opt */ + case 231: /* sortlist */ + case 232: /* eidlist */ + case 244: /* selcollist */ + case 247: /* groupby_opt */ + case 249: /* orderby_opt */ + case 253: /* nexprlist */ + case 254: /* sclp */ + case 261: /* exprlist */ + case 268: /* setlist */ + case 277: /* paren_exprlist */ + case 279: /* case_exprlist */ + case 310: /* part_opt */ { -sqlite3ExprListDelete(pParse->db, (yypminor->yy242)); +sqlite3ExprListDelete(pParse->db, (yypminor->yy322)); } break; - case 233: /* fullname */ - case 240: /* from */ - case 251: /* seltablist */ - case 252: /* stl_prefix */ - case 258: /* xfullname */ + case 238: /* fullname */ + case 245: /* from */ + case 256: /* seltablist */ + case 257: /* stl_prefix */ + case 262: /* xfullname */ { -sqlite3SrcListDelete(pParse->db, (yypminor->yy47)); +sqlite3SrcListDelete(pParse->db, (yypminor->yy131)); } break; - case 236: /* wqlist */ + case 241: /* wqlist */ { -sqlite3WithDelete(pParse->db, (yypminor->yy131)); +sqlite3WithDelete(pParse->db, (yypminor->yy521)); } break; - case 246: /* window_clause */ - case 297: /* windowdefn_list */ + case 251: /* window_clause */ + case 306: /* windowdefn_list */ { -sqlite3WindowListDelete(pParse->db, (yypminor->yy303)); +sqlite3WindowListDelete(pParse->db, (yypminor->yy41)); } break; - case 256: /* using_opt */ - case 259: /* idlist */ - case 264: /* idlist_opt */ + case 263: /* idlist */ + case 270: /* idlist_opt */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy600)); +sqlite3IdListDelete(pParse->db, (yypminor->yy254)); } break; - case 266: /* filter_over */ - case 298: /* windowdefn */ - case 299: /* window */ - case 300: /* frame_opt */ - case 303: /* over_clause */ + case 273: /* filter_over */ + case 307: /* windowdefn */ + case 308: /* window */ + case 309: /* frame_opt */ + case 312: /* over_clause */ { -sqlite3WindowDelete(pParse->db, (yypminor->yy303)); +sqlite3WindowDelete(pParse->db, (yypminor->yy41)); } break; - case 279: /* trigger_cmd_list */ - case 284: /* trigger_cmd */ + case 286: /* trigger_cmd_list */ + case 291: /* trigger_cmd */ { -sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy447)); +sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy33)); } break; - case 281: /* trigger_event */ + case 288: /* trigger_event */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy230).b); +sqlite3IdListDelete(pParse->db, (yypminor->yy180).b); } break; - case 305: /* frame_bound */ - case 306: /* frame_bound_s */ - case 307: /* frame_bound_e */ + case 314: /* frame_bound */ + case 315: /* frame_bound_s */ + case 316: /* frame_bound_e */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy77).pExpr); +sqlite3ExprDelete(pParse->db, (yypminor->yy595).pExpr); } break; /********* End destructor definitions *****************************************/ @@ -156547,7 +171826,7 @@ static YYACTIONTYPE yy_find_shift_action( #endif /* YYWILDCARD */ return yy_default[stateno]; }else{ - assert( i>=0 && i=0 && i<(int)(sizeof(yy_action)/sizeof(yy_action[0])) ); return yy_action[i]; } }while(1); @@ -156671,391 +171950,409 @@ static void yy_shift( /* For rule J, yyRuleInfoLhs[J] contains the symbol on the left-hand side ** of that rule */ static const YYCODETYPE yyRuleInfoLhs[] = { - 185, /* (0) explain ::= EXPLAIN */ - 185, /* (1) explain ::= EXPLAIN QUERY PLAN */ - 184, /* (2) cmdx ::= cmd */ - 186, /* (3) cmd ::= BEGIN transtype trans_opt */ - 187, /* (4) transtype ::= */ - 187, /* (5) transtype ::= DEFERRED */ - 187, /* (6) transtype ::= IMMEDIATE */ - 187, /* (7) transtype ::= EXCLUSIVE */ - 186, /* (8) cmd ::= COMMIT|END trans_opt */ - 186, /* (9) cmd ::= ROLLBACK trans_opt */ - 186, /* (10) cmd ::= SAVEPOINT nm */ - 186, /* (11) cmd ::= RELEASE savepoint_opt nm */ - 186, /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */ - 191, /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */ - 193, /* (14) createkw ::= CREATE */ - 195, /* (15) ifnotexists ::= */ - 195, /* (16) ifnotexists ::= IF NOT EXISTS */ - 194, /* (17) temp ::= TEMP */ - 194, /* (18) temp ::= */ - 192, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */ - 192, /* (20) create_table_args ::= AS select */ - 199, /* (21) table_options ::= */ - 199, /* (22) table_options ::= WITHOUT nm */ - 201, /* (23) columnname ::= nm typetoken */ - 203, /* (24) typetoken ::= */ - 203, /* (25) typetoken ::= typename LP signed RP */ - 203, /* (26) typetoken ::= typename LP signed COMMA signed RP */ - 204, /* (27) typename ::= typename ID|STRING */ - 208, /* (28) scanpt ::= */ - 209, /* (29) scantok ::= */ - 210, /* (30) ccons ::= CONSTRAINT nm */ - 210, /* (31) ccons ::= DEFAULT scantok term */ - 210, /* (32) ccons ::= DEFAULT LP expr RP */ - 210, /* (33) ccons ::= DEFAULT PLUS scantok term */ - 210, /* (34) ccons ::= DEFAULT MINUS scantok term */ - 210, /* (35) ccons ::= DEFAULT scantok ID|INDEXED */ - 210, /* (36) ccons ::= NOT NULL onconf */ - 210, /* (37) ccons ::= PRIMARY KEY sortorder onconf autoinc */ - 210, /* (38) ccons ::= UNIQUE onconf */ - 210, /* (39) ccons ::= CHECK LP expr RP */ - 210, /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */ - 210, /* (41) ccons ::= defer_subclause */ - 210, /* (42) ccons ::= COLLATE ID|STRING */ - 219, /* (43) generated ::= LP expr RP */ - 219, /* (44) generated ::= LP expr RP ID */ - 215, /* (45) autoinc ::= */ - 215, /* (46) autoinc ::= AUTOINCR */ - 217, /* (47) refargs ::= */ - 217, /* (48) refargs ::= refargs refarg */ - 220, /* (49) refarg ::= MATCH nm */ - 220, /* (50) refarg ::= ON INSERT refact */ - 220, /* (51) refarg ::= ON DELETE refact */ - 220, /* (52) refarg ::= ON UPDATE refact */ - 221, /* (53) refact ::= SET NULL */ - 221, /* (54) refact ::= SET DEFAULT */ - 221, /* (55) refact ::= CASCADE */ - 221, /* (56) refact ::= RESTRICT */ - 221, /* (57) refact ::= NO ACTION */ - 218, /* (58) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ - 218, /* (59) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - 222, /* (60) init_deferred_pred_opt ::= */ - 222, /* (61) init_deferred_pred_opt ::= INITIALLY DEFERRED */ - 222, /* (62) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ - 198, /* (63) conslist_opt ::= */ - 224, /* (64) tconscomma ::= COMMA */ - 225, /* (65) tcons ::= CONSTRAINT nm */ - 225, /* (66) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ - 225, /* (67) tcons ::= UNIQUE LP sortlist RP onconf */ - 225, /* (68) tcons ::= CHECK LP expr RP onconf */ - 225, /* (69) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ - 228, /* (70) defer_subclause_opt ::= */ - 213, /* (71) onconf ::= */ - 213, /* (72) onconf ::= ON CONFLICT resolvetype */ - 229, /* (73) orconf ::= */ - 229, /* (74) orconf ::= OR resolvetype */ - 230, /* (75) resolvetype ::= IGNORE */ - 230, /* (76) resolvetype ::= REPLACE */ - 186, /* (77) cmd ::= DROP TABLE ifexists fullname */ - 232, /* (78) ifexists ::= IF EXISTS */ - 232, /* (79) ifexists ::= */ - 186, /* (80) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ - 186, /* (81) cmd ::= DROP VIEW ifexists fullname */ - 186, /* (82) cmd ::= select */ - 200, /* (83) select ::= WITH wqlist selectnowith */ - 200, /* (84) select ::= WITH RECURSIVE wqlist selectnowith */ - 200, /* (85) select ::= selectnowith */ - 234, /* (86) selectnowith ::= selectnowith multiselect_op oneselect */ - 237, /* (87) multiselect_op ::= UNION */ - 237, /* (88) multiselect_op ::= UNION ALL */ - 237, /* (89) multiselect_op ::= EXCEPT|INTERSECT */ - 235, /* (90) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ - 235, /* (91) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ - 247, /* (92) values ::= VALUES LP nexprlist RP */ - 247, /* (93) values ::= values COMMA LP nexprlist RP */ - 238, /* (94) distinct ::= DISTINCT */ - 238, /* (95) distinct ::= ALL */ - 238, /* (96) distinct ::= */ - 249, /* (97) sclp ::= */ - 239, /* (98) selcollist ::= sclp scanpt expr scanpt as */ - 239, /* (99) selcollist ::= sclp scanpt STAR */ - 239, /* (100) selcollist ::= sclp scanpt nm DOT STAR */ - 250, /* (101) as ::= AS nm */ - 250, /* (102) as ::= */ - 240, /* (103) from ::= */ - 240, /* (104) from ::= FROM seltablist */ - 252, /* (105) stl_prefix ::= seltablist joinop */ - 252, /* (106) stl_prefix ::= */ - 251, /* (107) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ - 251, /* (108) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ - 251, /* (109) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ - 251, /* (110) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ - 196, /* (111) dbnm ::= */ - 196, /* (112) dbnm ::= DOT nm */ - 233, /* (113) fullname ::= nm */ - 233, /* (114) fullname ::= nm DOT nm */ - 258, /* (115) xfullname ::= nm */ - 258, /* (116) xfullname ::= nm DOT nm */ - 258, /* (117) xfullname ::= nm DOT nm AS nm */ - 258, /* (118) xfullname ::= nm AS nm */ - 253, /* (119) joinop ::= COMMA|JOIN */ - 253, /* (120) joinop ::= JOIN_KW JOIN */ - 253, /* (121) joinop ::= JOIN_KW nm JOIN */ - 253, /* (122) joinop ::= JOIN_KW nm nm JOIN */ - 255, /* (123) on_opt ::= ON expr */ - 255, /* (124) on_opt ::= */ - 254, /* (125) indexed_opt ::= */ - 254, /* (126) indexed_opt ::= INDEXED BY nm */ - 254, /* (127) indexed_opt ::= NOT INDEXED */ - 256, /* (128) using_opt ::= USING LP idlist RP */ - 256, /* (129) using_opt ::= */ - 244, /* (130) orderby_opt ::= */ - 244, /* (131) orderby_opt ::= ORDER BY sortlist */ - 226, /* (132) sortlist ::= sortlist COMMA expr sortorder nulls */ - 226, /* (133) sortlist ::= expr sortorder nulls */ - 214, /* (134) sortorder ::= ASC */ - 214, /* (135) sortorder ::= DESC */ - 214, /* (136) sortorder ::= */ - 260, /* (137) nulls ::= NULLS FIRST */ - 260, /* (138) nulls ::= NULLS LAST */ - 260, /* (139) nulls ::= */ - 242, /* (140) groupby_opt ::= */ - 242, /* (141) groupby_opt ::= GROUP BY nexprlist */ - 243, /* (142) having_opt ::= */ - 243, /* (143) having_opt ::= HAVING expr */ - 245, /* (144) limit_opt ::= */ - 245, /* (145) limit_opt ::= LIMIT expr */ - 245, /* (146) limit_opt ::= LIMIT expr OFFSET expr */ - 245, /* (147) limit_opt ::= LIMIT expr COMMA expr */ - 186, /* (148) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ - 241, /* (149) where_opt ::= */ - 241, /* (150) where_opt ::= WHERE expr */ - 186, /* (151) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ - 262, /* (152) setlist ::= setlist COMMA nm EQ expr */ - 262, /* (153) setlist ::= setlist COMMA LP idlist RP EQ expr */ - 262, /* (154) setlist ::= nm EQ expr */ - 262, /* (155) setlist ::= LP idlist RP EQ expr */ - 186, /* (156) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ - 186, /* (157) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ - 265, /* (158) upsert ::= */ - 265, /* (159) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ - 265, /* (160) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ - 265, /* (161) upsert ::= ON CONFLICT DO NOTHING */ - 263, /* (162) insert_cmd ::= INSERT orconf */ - 263, /* (163) insert_cmd ::= REPLACE */ - 264, /* (164) idlist_opt ::= */ - 264, /* (165) idlist_opt ::= LP idlist RP */ - 259, /* (166) idlist ::= idlist COMMA nm */ - 259, /* (167) idlist ::= nm */ - 212, /* (168) expr ::= LP expr RP */ - 212, /* (169) expr ::= ID|INDEXED */ - 212, /* (170) expr ::= JOIN_KW */ - 212, /* (171) expr ::= nm DOT nm */ - 212, /* (172) expr ::= nm DOT nm DOT nm */ - 211, /* (173) term ::= NULL|FLOAT|BLOB */ - 211, /* (174) term ::= STRING */ - 211, /* (175) term ::= INTEGER */ - 212, /* (176) expr ::= VARIABLE */ - 212, /* (177) expr ::= expr COLLATE ID|STRING */ - 212, /* (178) expr ::= CAST LP expr AS typetoken RP */ - 212, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP */ - 212, /* (180) expr ::= ID|INDEXED LP STAR RP */ - 212, /* (181) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - 212, /* (182) expr ::= ID|INDEXED LP STAR RP filter_over */ - 211, /* (183) term ::= CTIME_KW */ - 212, /* (184) expr ::= LP nexprlist COMMA expr RP */ - 212, /* (185) expr ::= expr AND expr */ - 212, /* (186) expr ::= expr OR expr */ - 212, /* (187) expr ::= expr LT|GT|GE|LE expr */ - 212, /* (188) expr ::= expr EQ|NE expr */ - 212, /* (189) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - 212, /* (190) expr ::= expr PLUS|MINUS expr */ - 212, /* (191) expr ::= expr STAR|SLASH|REM expr */ - 212, /* (192) expr ::= expr CONCAT expr */ - 267, /* (193) likeop ::= NOT LIKE_KW|MATCH */ - 212, /* (194) expr ::= expr likeop expr */ - 212, /* (195) expr ::= expr likeop expr ESCAPE expr */ - 212, /* (196) expr ::= expr ISNULL|NOTNULL */ - 212, /* (197) expr ::= expr NOT NULL */ - 212, /* (198) expr ::= expr IS expr */ - 212, /* (199) expr ::= expr IS NOT expr */ - 212, /* (200) expr ::= NOT expr */ - 212, /* (201) expr ::= BITNOT expr */ - 212, /* (202) expr ::= PLUS|MINUS expr */ - 268, /* (203) between_op ::= BETWEEN */ - 268, /* (204) between_op ::= NOT BETWEEN */ - 212, /* (205) expr ::= expr between_op expr AND expr */ - 269, /* (206) in_op ::= IN */ - 269, /* (207) in_op ::= NOT IN */ - 212, /* (208) expr ::= expr in_op LP exprlist RP */ - 212, /* (209) expr ::= LP select RP */ - 212, /* (210) expr ::= expr in_op LP select RP */ - 212, /* (211) expr ::= expr in_op nm dbnm paren_exprlist */ - 212, /* (212) expr ::= EXISTS LP select RP */ - 212, /* (213) expr ::= CASE case_operand case_exprlist case_else END */ - 272, /* (214) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - 272, /* (215) case_exprlist ::= WHEN expr THEN expr */ - 273, /* (216) case_else ::= ELSE expr */ - 273, /* (217) case_else ::= */ - 271, /* (218) case_operand ::= expr */ - 271, /* (219) case_operand ::= */ - 257, /* (220) exprlist ::= */ - 248, /* (221) nexprlist ::= nexprlist COMMA expr */ - 248, /* (222) nexprlist ::= expr */ - 270, /* (223) paren_exprlist ::= */ - 270, /* (224) paren_exprlist ::= LP exprlist RP */ - 186, /* (225) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ - 274, /* (226) uniqueflag ::= UNIQUE */ - 274, /* (227) uniqueflag ::= */ - 216, /* (228) eidlist_opt ::= */ - 216, /* (229) eidlist_opt ::= LP eidlist RP */ - 227, /* (230) eidlist ::= eidlist COMMA nm collate sortorder */ - 227, /* (231) eidlist ::= nm collate sortorder */ - 275, /* (232) collate ::= */ - 275, /* (233) collate ::= COLLATE ID|STRING */ - 186, /* (234) cmd ::= DROP INDEX ifexists fullname */ - 186, /* (235) cmd ::= VACUUM vinto */ - 186, /* (236) cmd ::= VACUUM nm vinto */ - 276, /* (237) vinto ::= INTO expr */ - 276, /* (238) vinto ::= */ - 186, /* (239) cmd ::= PRAGMA nm dbnm */ - 186, /* (240) cmd ::= PRAGMA nm dbnm EQ nmnum */ - 186, /* (241) cmd ::= PRAGMA nm dbnm LP nmnum RP */ - 186, /* (242) cmd ::= PRAGMA nm dbnm EQ minus_num */ - 186, /* (243) cmd ::= PRAGMA nm dbnm LP minus_num RP */ - 206, /* (244) plus_num ::= PLUS INTEGER|FLOAT */ - 207, /* (245) minus_num ::= MINUS INTEGER|FLOAT */ - 186, /* (246) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ - 278, /* (247) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ - 280, /* (248) trigger_time ::= BEFORE|AFTER */ - 280, /* (249) trigger_time ::= INSTEAD OF */ - 280, /* (250) trigger_time ::= */ - 281, /* (251) trigger_event ::= DELETE|INSERT */ - 281, /* (252) trigger_event ::= UPDATE */ - 281, /* (253) trigger_event ::= UPDATE OF idlist */ - 283, /* (254) when_clause ::= */ - 283, /* (255) when_clause ::= WHEN expr */ - 279, /* (256) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ - 279, /* (257) trigger_cmd_list ::= trigger_cmd SEMI */ - 285, /* (258) trnm ::= nm DOT nm */ - 286, /* (259) tridxby ::= INDEXED BY nm */ - 286, /* (260) tridxby ::= NOT INDEXED */ - 284, /* (261) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ - 284, /* (262) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ - 284, /* (263) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ - 284, /* (264) trigger_cmd ::= scanpt select scanpt */ - 212, /* (265) expr ::= RAISE LP IGNORE RP */ - 212, /* (266) expr ::= RAISE LP raisetype COMMA nm RP */ - 231, /* (267) raisetype ::= ROLLBACK */ - 231, /* (268) raisetype ::= ABORT */ - 231, /* (269) raisetype ::= FAIL */ - 186, /* (270) cmd ::= DROP TRIGGER ifexists fullname */ - 186, /* (271) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ - 186, /* (272) cmd ::= DETACH database_kw_opt expr */ - 288, /* (273) key_opt ::= */ - 288, /* (274) key_opt ::= KEY expr */ - 186, /* (275) cmd ::= REINDEX */ - 186, /* (276) cmd ::= REINDEX nm dbnm */ - 186, /* (277) cmd ::= ANALYZE */ - 186, /* (278) cmd ::= ANALYZE nm dbnm */ - 186, /* (279) cmd ::= ALTER TABLE fullname RENAME TO nm */ - 186, /* (280) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ - 289, /* (281) add_column_fullname ::= fullname */ - 186, /* (282) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ - 186, /* (283) cmd ::= create_vtab */ - 186, /* (284) cmd ::= create_vtab LP vtabarglist RP */ - 291, /* (285) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ - 293, /* (286) vtabarg ::= */ - 294, /* (287) vtabargtoken ::= ANY */ - 294, /* (288) vtabargtoken ::= lp anylist RP */ - 295, /* (289) lp ::= LP */ - 261, /* (290) with ::= WITH wqlist */ - 261, /* (291) with ::= WITH RECURSIVE wqlist */ - 236, /* (292) wqlist ::= nm eidlist_opt AS LP select RP */ - 236, /* (293) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ - 297, /* (294) windowdefn_list ::= windowdefn */ - 297, /* (295) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - 298, /* (296) windowdefn ::= nm AS LP window RP */ - 299, /* (297) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - 299, /* (298) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - 299, /* (299) window ::= ORDER BY sortlist frame_opt */ - 299, /* (300) window ::= nm ORDER BY sortlist frame_opt */ - 299, /* (301) window ::= frame_opt */ - 299, /* (302) window ::= nm frame_opt */ - 300, /* (303) frame_opt ::= */ - 300, /* (304) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - 300, /* (305) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - 304, /* (306) range_or_rows ::= RANGE|ROWS|GROUPS */ - 306, /* (307) frame_bound_s ::= frame_bound */ - 306, /* (308) frame_bound_s ::= UNBOUNDED PRECEDING */ - 307, /* (309) frame_bound_e ::= frame_bound */ - 307, /* (310) frame_bound_e ::= UNBOUNDED FOLLOWING */ - 305, /* (311) frame_bound ::= expr PRECEDING|FOLLOWING */ - 305, /* (312) frame_bound ::= CURRENT ROW */ - 308, /* (313) frame_exclude_opt ::= */ - 308, /* (314) frame_exclude_opt ::= EXCLUDE frame_exclude */ - 309, /* (315) frame_exclude ::= NO OTHERS */ - 309, /* (316) frame_exclude ::= CURRENT ROW */ - 309, /* (317) frame_exclude ::= GROUP|TIES */ - 246, /* (318) window_clause ::= WINDOW windowdefn_list */ - 266, /* (319) filter_over ::= filter_clause over_clause */ - 266, /* (320) filter_over ::= over_clause */ - 266, /* (321) filter_over ::= filter_clause */ - 303, /* (322) over_clause ::= OVER LP window RP */ - 303, /* (323) over_clause ::= OVER nm */ - 302, /* (324) filter_clause ::= FILTER LP WHERE expr RP */ - 181, /* (325) input ::= cmdlist */ - 182, /* (326) cmdlist ::= cmdlist ecmd */ - 182, /* (327) cmdlist ::= ecmd */ - 183, /* (328) ecmd ::= SEMI */ - 183, /* (329) ecmd ::= cmdx SEMI */ - 183, /* (330) ecmd ::= explain cmdx SEMI */ - 188, /* (331) trans_opt ::= */ - 188, /* (332) trans_opt ::= TRANSACTION */ - 188, /* (333) trans_opt ::= TRANSACTION nm */ - 190, /* (334) savepoint_opt ::= SAVEPOINT */ - 190, /* (335) savepoint_opt ::= */ - 186, /* (336) cmd ::= create_table create_table_args */ - 197, /* (337) columnlist ::= columnlist COMMA columnname carglist */ - 197, /* (338) columnlist ::= columnname carglist */ - 189, /* (339) nm ::= ID|INDEXED */ - 189, /* (340) nm ::= STRING */ - 189, /* (341) nm ::= JOIN_KW */ - 203, /* (342) typetoken ::= typename */ - 204, /* (343) typename ::= ID|STRING */ - 205, /* (344) signed ::= plus_num */ - 205, /* (345) signed ::= minus_num */ - 202, /* (346) carglist ::= carglist ccons */ - 202, /* (347) carglist ::= */ - 210, /* (348) ccons ::= NULL onconf */ - 210, /* (349) ccons ::= GENERATED ALWAYS AS generated */ - 210, /* (350) ccons ::= AS generated */ - 198, /* (351) conslist_opt ::= COMMA conslist */ - 223, /* (352) conslist ::= conslist tconscomma tcons */ - 223, /* (353) conslist ::= tcons */ - 224, /* (354) tconscomma ::= */ - 228, /* (355) defer_subclause_opt ::= defer_subclause */ - 230, /* (356) resolvetype ::= raisetype */ - 234, /* (357) selectnowith ::= oneselect */ - 235, /* (358) oneselect ::= values */ - 249, /* (359) sclp ::= selcollist COMMA */ - 250, /* (360) as ::= ID|STRING */ - 212, /* (361) expr ::= term */ - 267, /* (362) likeop ::= LIKE_KW|MATCH */ - 257, /* (363) exprlist ::= nexprlist */ - 277, /* (364) nmnum ::= plus_num */ - 277, /* (365) nmnum ::= nm */ - 277, /* (366) nmnum ::= ON */ - 277, /* (367) nmnum ::= DELETE */ - 277, /* (368) nmnum ::= DEFAULT */ - 206, /* (369) plus_num ::= INTEGER|FLOAT */ - 282, /* (370) foreach_clause ::= */ - 282, /* (371) foreach_clause ::= FOR EACH ROW */ - 285, /* (372) trnm ::= nm */ - 286, /* (373) tridxby ::= */ - 287, /* (374) database_kw_opt ::= DATABASE */ - 287, /* (375) database_kw_opt ::= */ - 290, /* (376) kwcolumn_opt ::= */ - 290, /* (377) kwcolumn_opt ::= COLUMNKW */ - 292, /* (378) vtabarglist ::= vtabarg */ - 292, /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ - 293, /* (380) vtabarg ::= vtabarg vtabargtoken */ - 296, /* (381) anylist ::= */ - 296, /* (382) anylist ::= anylist LP anylist RP */ - 296, /* (383) anylist ::= anylist ANY */ - 261, /* (384) with ::= */ + 189, /* (0) explain ::= EXPLAIN */ + 189, /* (1) explain ::= EXPLAIN QUERY PLAN */ + 188, /* (2) cmdx ::= cmd */ + 190, /* (3) cmd ::= BEGIN transtype trans_opt */ + 191, /* (4) transtype ::= */ + 191, /* (5) transtype ::= DEFERRED */ + 191, /* (6) transtype ::= IMMEDIATE */ + 191, /* (7) transtype ::= EXCLUSIVE */ + 190, /* (8) cmd ::= COMMIT|END trans_opt */ + 190, /* (9) cmd ::= ROLLBACK trans_opt */ + 190, /* (10) cmd ::= SAVEPOINT nm */ + 190, /* (11) cmd ::= RELEASE savepoint_opt nm */ + 190, /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */ + 195, /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */ + 197, /* (14) createkw ::= CREATE */ + 199, /* (15) ifnotexists ::= */ + 199, /* (16) ifnotexists ::= IF NOT EXISTS */ + 198, /* (17) temp ::= TEMP */ + 198, /* (18) temp ::= */ + 196, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_option_set */ + 196, /* (20) create_table_args ::= AS select */ + 203, /* (21) table_option_set ::= */ + 203, /* (22) table_option_set ::= table_option_set COMMA table_option */ + 205, /* (23) table_option ::= WITHOUT nm */ + 205, /* (24) table_option ::= nm */ + 206, /* (25) columnname ::= nm typetoken */ + 208, /* (26) typetoken ::= */ + 208, /* (27) typetoken ::= typename LP signed RP */ + 208, /* (28) typetoken ::= typename LP signed COMMA signed RP */ + 209, /* (29) typename ::= typename ID|STRING */ + 213, /* (30) scanpt ::= */ + 214, /* (31) scantok ::= */ + 215, /* (32) ccons ::= CONSTRAINT nm */ + 215, /* (33) ccons ::= DEFAULT scantok term */ + 215, /* (34) ccons ::= DEFAULT LP expr RP */ + 215, /* (35) ccons ::= DEFAULT PLUS scantok term */ + 215, /* (36) ccons ::= DEFAULT MINUS scantok term */ + 215, /* (37) ccons ::= DEFAULT scantok ID|INDEXED */ + 215, /* (38) ccons ::= NOT NULL onconf */ + 215, /* (39) ccons ::= PRIMARY KEY sortorder onconf autoinc */ + 215, /* (40) ccons ::= UNIQUE onconf */ + 215, /* (41) ccons ::= CHECK LP expr RP */ + 215, /* (42) ccons ::= REFERENCES nm eidlist_opt refargs */ + 215, /* (43) ccons ::= defer_subclause */ + 215, /* (44) ccons ::= COLLATE ID|STRING */ + 224, /* (45) generated ::= LP expr RP */ + 224, /* (46) generated ::= LP expr RP ID */ + 220, /* (47) autoinc ::= */ + 220, /* (48) autoinc ::= AUTOINCR */ + 222, /* (49) refargs ::= */ + 222, /* (50) refargs ::= refargs refarg */ + 225, /* (51) refarg ::= MATCH nm */ + 225, /* (52) refarg ::= ON INSERT refact */ + 225, /* (53) refarg ::= ON DELETE refact */ + 225, /* (54) refarg ::= ON UPDATE refact */ + 226, /* (55) refact ::= SET NULL */ + 226, /* (56) refact ::= SET DEFAULT */ + 226, /* (57) refact ::= CASCADE */ + 226, /* (58) refact ::= RESTRICT */ + 226, /* (59) refact ::= NO ACTION */ + 223, /* (60) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ + 223, /* (61) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + 227, /* (62) init_deferred_pred_opt ::= */ + 227, /* (63) init_deferred_pred_opt ::= INITIALLY DEFERRED */ + 227, /* (64) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ + 202, /* (65) conslist_opt ::= */ + 229, /* (66) tconscomma ::= COMMA */ + 230, /* (67) tcons ::= CONSTRAINT nm */ + 230, /* (68) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ + 230, /* (69) tcons ::= UNIQUE LP sortlist RP onconf */ + 230, /* (70) tcons ::= CHECK LP expr RP onconf */ + 230, /* (71) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + 233, /* (72) defer_subclause_opt ::= */ + 218, /* (73) onconf ::= */ + 218, /* (74) onconf ::= ON CONFLICT resolvetype */ + 234, /* (75) orconf ::= */ + 234, /* (76) orconf ::= OR resolvetype */ + 235, /* (77) resolvetype ::= IGNORE */ + 235, /* (78) resolvetype ::= REPLACE */ + 190, /* (79) cmd ::= DROP TABLE ifexists fullname */ + 237, /* (80) ifexists ::= IF EXISTS */ + 237, /* (81) ifexists ::= */ + 190, /* (82) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + 190, /* (83) cmd ::= DROP VIEW ifexists fullname */ + 190, /* (84) cmd ::= select */ + 204, /* (85) select ::= WITH wqlist selectnowith */ + 204, /* (86) select ::= WITH RECURSIVE wqlist selectnowith */ + 204, /* (87) select ::= selectnowith */ + 239, /* (88) selectnowith ::= selectnowith multiselect_op oneselect */ + 242, /* (89) multiselect_op ::= UNION */ + 242, /* (90) multiselect_op ::= UNION ALL */ + 242, /* (91) multiselect_op ::= EXCEPT|INTERSECT */ + 240, /* (92) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + 240, /* (93) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + 252, /* (94) values ::= VALUES LP nexprlist RP */ + 252, /* (95) values ::= values COMMA LP nexprlist RP */ + 243, /* (96) distinct ::= DISTINCT */ + 243, /* (97) distinct ::= ALL */ + 243, /* (98) distinct ::= */ + 254, /* (99) sclp ::= */ + 244, /* (100) selcollist ::= sclp scanpt expr scanpt as */ + 244, /* (101) selcollist ::= sclp scanpt STAR */ + 244, /* (102) selcollist ::= sclp scanpt nm DOT STAR */ + 255, /* (103) as ::= AS nm */ + 255, /* (104) as ::= */ + 245, /* (105) from ::= */ + 245, /* (106) from ::= FROM seltablist */ + 257, /* (107) stl_prefix ::= seltablist joinop */ + 257, /* (108) stl_prefix ::= */ + 256, /* (109) seltablist ::= stl_prefix nm dbnm as on_using */ + 256, /* (110) seltablist ::= stl_prefix nm dbnm as indexed_by on_using */ + 256, /* (111) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_using */ + 256, /* (112) seltablist ::= stl_prefix LP select RP as on_using */ + 256, /* (113) seltablist ::= stl_prefix LP seltablist RP as on_using */ + 200, /* (114) dbnm ::= */ + 200, /* (115) dbnm ::= DOT nm */ + 238, /* (116) fullname ::= nm */ + 238, /* (117) fullname ::= nm DOT nm */ + 262, /* (118) xfullname ::= nm */ + 262, /* (119) xfullname ::= nm DOT nm */ + 262, /* (120) xfullname ::= nm DOT nm AS nm */ + 262, /* (121) xfullname ::= nm AS nm */ + 258, /* (122) joinop ::= COMMA|JOIN */ + 258, /* (123) joinop ::= JOIN_KW JOIN */ + 258, /* (124) joinop ::= JOIN_KW nm JOIN */ + 258, /* (125) joinop ::= JOIN_KW nm nm JOIN */ + 259, /* (126) on_using ::= ON expr */ + 259, /* (127) on_using ::= USING LP idlist RP */ + 259, /* (128) on_using ::= */ + 264, /* (129) indexed_opt ::= */ + 260, /* (130) indexed_by ::= INDEXED BY nm */ + 260, /* (131) indexed_by ::= NOT INDEXED */ + 249, /* (132) orderby_opt ::= */ + 249, /* (133) orderby_opt ::= ORDER BY sortlist */ + 231, /* (134) sortlist ::= sortlist COMMA expr sortorder nulls */ + 231, /* (135) sortlist ::= expr sortorder nulls */ + 219, /* (136) sortorder ::= ASC */ + 219, /* (137) sortorder ::= DESC */ + 219, /* (138) sortorder ::= */ + 265, /* (139) nulls ::= NULLS FIRST */ + 265, /* (140) nulls ::= NULLS LAST */ + 265, /* (141) nulls ::= */ + 247, /* (142) groupby_opt ::= */ + 247, /* (143) groupby_opt ::= GROUP BY nexprlist */ + 248, /* (144) having_opt ::= */ + 248, /* (145) having_opt ::= HAVING expr */ + 250, /* (146) limit_opt ::= */ + 250, /* (147) limit_opt ::= LIMIT expr */ + 250, /* (148) limit_opt ::= LIMIT expr OFFSET expr */ + 250, /* (149) limit_opt ::= LIMIT expr COMMA expr */ + 190, /* (150) cmd ::= with DELETE FROM xfullname indexed_opt where_opt_ret */ + 246, /* (151) where_opt ::= */ + 246, /* (152) where_opt ::= WHERE expr */ + 267, /* (153) where_opt_ret ::= */ + 267, /* (154) where_opt_ret ::= WHERE expr */ + 267, /* (155) where_opt_ret ::= RETURNING selcollist */ + 267, /* (156) where_opt_ret ::= WHERE expr RETURNING selcollist */ + 190, /* (157) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt_ret */ + 268, /* (158) setlist ::= setlist COMMA nm EQ expr */ + 268, /* (159) setlist ::= setlist COMMA LP idlist RP EQ expr */ + 268, /* (160) setlist ::= nm EQ expr */ + 268, /* (161) setlist ::= LP idlist RP EQ expr */ + 190, /* (162) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + 190, /* (163) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES returning */ + 271, /* (164) upsert ::= */ + 271, /* (165) upsert ::= RETURNING selcollist */ + 271, /* (166) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt upsert */ + 271, /* (167) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING upsert */ + 271, /* (168) upsert ::= ON CONFLICT DO NOTHING returning */ + 271, /* (169) upsert ::= ON CONFLICT DO UPDATE SET setlist where_opt returning */ + 272, /* (170) returning ::= RETURNING selcollist */ + 269, /* (171) insert_cmd ::= INSERT orconf */ + 269, /* (172) insert_cmd ::= REPLACE */ + 270, /* (173) idlist_opt ::= */ + 270, /* (174) idlist_opt ::= LP idlist RP */ + 263, /* (175) idlist ::= idlist COMMA nm */ + 263, /* (176) idlist ::= nm */ + 217, /* (177) expr ::= LP expr RP */ + 217, /* (178) expr ::= ID|INDEXED|JOIN_KW */ + 217, /* (179) expr ::= nm DOT nm */ + 217, /* (180) expr ::= nm DOT nm DOT nm */ + 216, /* (181) term ::= NULL|FLOAT|BLOB */ + 216, /* (182) term ::= STRING */ + 216, /* (183) term ::= INTEGER */ + 217, /* (184) expr ::= VARIABLE */ + 217, /* (185) expr ::= expr COLLATE ID|STRING */ + 217, /* (186) expr ::= CAST LP expr AS typetoken RP */ + 217, /* (187) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ + 217, /* (188) expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ + 217, /* (189) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ + 217, /* (190) expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ + 216, /* (191) term ::= CTIME_KW */ + 217, /* (192) expr ::= LP nexprlist COMMA expr RP */ + 217, /* (193) expr ::= expr AND expr */ + 217, /* (194) expr ::= expr OR expr */ + 217, /* (195) expr ::= expr LT|GT|GE|LE expr */ + 217, /* (196) expr ::= expr EQ|NE expr */ + 217, /* (197) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + 217, /* (198) expr ::= expr PLUS|MINUS expr */ + 217, /* (199) expr ::= expr STAR|SLASH|REM expr */ + 217, /* (200) expr ::= expr CONCAT expr */ + 274, /* (201) likeop ::= NOT LIKE_KW|MATCH */ + 217, /* (202) expr ::= expr likeop expr */ + 217, /* (203) expr ::= expr likeop expr ESCAPE expr */ + 217, /* (204) expr ::= expr ISNULL|NOTNULL */ + 217, /* (205) expr ::= expr NOT NULL */ + 217, /* (206) expr ::= expr IS expr */ + 217, /* (207) expr ::= expr IS NOT expr */ + 217, /* (208) expr ::= expr IS NOT DISTINCT FROM expr */ + 217, /* (209) expr ::= expr IS DISTINCT FROM expr */ + 217, /* (210) expr ::= NOT expr */ + 217, /* (211) expr ::= BITNOT expr */ + 217, /* (212) expr ::= PLUS|MINUS expr */ + 217, /* (213) expr ::= expr PTR expr */ + 275, /* (214) between_op ::= BETWEEN */ + 275, /* (215) between_op ::= NOT BETWEEN */ + 217, /* (216) expr ::= expr between_op expr AND expr */ + 276, /* (217) in_op ::= IN */ + 276, /* (218) in_op ::= NOT IN */ + 217, /* (219) expr ::= expr in_op LP exprlist RP */ + 217, /* (220) expr ::= LP select RP */ + 217, /* (221) expr ::= expr in_op LP select RP */ + 217, /* (222) expr ::= expr in_op nm dbnm paren_exprlist */ + 217, /* (223) expr ::= EXISTS LP select RP */ + 217, /* (224) expr ::= CASE case_operand case_exprlist case_else END */ + 279, /* (225) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + 279, /* (226) case_exprlist ::= WHEN expr THEN expr */ + 280, /* (227) case_else ::= ELSE expr */ + 280, /* (228) case_else ::= */ + 278, /* (229) case_operand ::= */ + 261, /* (230) exprlist ::= */ + 253, /* (231) nexprlist ::= nexprlist COMMA expr */ + 253, /* (232) nexprlist ::= expr */ + 277, /* (233) paren_exprlist ::= */ + 277, /* (234) paren_exprlist ::= LP exprlist RP */ + 190, /* (235) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + 281, /* (236) uniqueflag ::= UNIQUE */ + 281, /* (237) uniqueflag ::= */ + 221, /* (238) eidlist_opt ::= */ + 221, /* (239) eidlist_opt ::= LP eidlist RP */ + 232, /* (240) eidlist ::= eidlist COMMA nm collate sortorder */ + 232, /* (241) eidlist ::= nm collate sortorder */ + 282, /* (242) collate ::= */ + 282, /* (243) collate ::= COLLATE ID|STRING */ + 190, /* (244) cmd ::= DROP INDEX ifexists fullname */ + 190, /* (245) cmd ::= VACUUM vinto */ + 190, /* (246) cmd ::= VACUUM nm vinto */ + 283, /* (247) vinto ::= INTO expr */ + 283, /* (248) vinto ::= */ + 190, /* (249) cmd ::= PRAGMA nm dbnm */ + 190, /* (250) cmd ::= PRAGMA nm dbnm EQ nmnum */ + 190, /* (251) cmd ::= PRAGMA nm dbnm LP nmnum RP */ + 190, /* (252) cmd ::= PRAGMA nm dbnm EQ minus_num */ + 190, /* (253) cmd ::= PRAGMA nm dbnm LP minus_num RP */ + 211, /* (254) plus_num ::= PLUS INTEGER|FLOAT */ + 212, /* (255) minus_num ::= MINUS INTEGER|FLOAT */ + 190, /* (256) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + 285, /* (257) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + 287, /* (258) trigger_time ::= BEFORE|AFTER */ + 287, /* (259) trigger_time ::= INSTEAD OF */ + 287, /* (260) trigger_time ::= */ + 288, /* (261) trigger_event ::= DELETE|INSERT */ + 288, /* (262) trigger_event ::= UPDATE */ + 288, /* (263) trigger_event ::= UPDATE OF idlist */ + 290, /* (264) when_clause ::= */ + 290, /* (265) when_clause ::= WHEN expr */ + 286, /* (266) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + 286, /* (267) trigger_cmd_list ::= trigger_cmd SEMI */ + 292, /* (268) trnm ::= nm DOT nm */ + 293, /* (269) tridxby ::= INDEXED BY nm */ + 293, /* (270) tridxby ::= NOT INDEXED */ + 291, /* (271) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ + 291, /* (272) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + 291, /* (273) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ + 291, /* (274) trigger_cmd ::= scanpt select scanpt */ + 217, /* (275) expr ::= RAISE LP IGNORE RP */ + 217, /* (276) expr ::= RAISE LP raisetype COMMA nm RP */ + 236, /* (277) raisetype ::= ROLLBACK */ + 236, /* (278) raisetype ::= ABORT */ + 236, /* (279) raisetype ::= FAIL */ + 190, /* (280) cmd ::= DROP TRIGGER ifexists fullname */ + 190, /* (281) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + 190, /* (282) cmd ::= DETACH database_kw_opt expr */ + 295, /* (283) key_opt ::= */ + 295, /* (284) key_opt ::= KEY expr */ + 190, /* (285) cmd ::= REINDEX */ + 190, /* (286) cmd ::= REINDEX nm dbnm */ + 190, /* (287) cmd ::= ANALYZE */ + 190, /* (288) cmd ::= ANALYZE nm dbnm */ + 190, /* (289) cmd ::= ALTER TABLE fullname RENAME TO nm */ + 190, /* (290) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + 190, /* (291) cmd ::= ALTER TABLE fullname DROP kwcolumn_opt nm */ + 296, /* (292) add_column_fullname ::= fullname */ + 190, /* (293) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + 190, /* (294) cmd ::= create_vtab */ + 190, /* (295) cmd ::= create_vtab LP vtabarglist RP */ + 298, /* (296) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + 300, /* (297) vtabarg ::= */ + 301, /* (298) vtabargtoken ::= ANY */ + 301, /* (299) vtabargtoken ::= lp anylist RP */ + 302, /* (300) lp ::= LP */ + 266, /* (301) with ::= WITH wqlist */ + 266, /* (302) with ::= WITH RECURSIVE wqlist */ + 305, /* (303) wqas ::= AS */ + 305, /* (304) wqas ::= AS MATERIALIZED */ + 305, /* (305) wqas ::= AS NOT MATERIALIZED */ + 304, /* (306) wqitem ::= nm eidlist_opt wqas LP select RP */ + 241, /* (307) wqlist ::= wqitem */ + 241, /* (308) wqlist ::= wqlist COMMA wqitem */ + 306, /* (309) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + 307, /* (310) windowdefn ::= nm AS LP window RP */ + 308, /* (311) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (312) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (313) window ::= ORDER BY sortlist frame_opt */ + 308, /* (314) window ::= nm ORDER BY sortlist frame_opt */ + 308, /* (315) window ::= nm frame_opt */ + 309, /* (316) frame_opt ::= */ + 309, /* (317) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + 309, /* (318) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + 313, /* (319) range_or_rows ::= RANGE|ROWS|GROUPS */ + 315, /* (320) frame_bound_s ::= frame_bound */ + 315, /* (321) frame_bound_s ::= UNBOUNDED PRECEDING */ + 316, /* (322) frame_bound_e ::= frame_bound */ + 316, /* (323) frame_bound_e ::= UNBOUNDED FOLLOWING */ + 314, /* (324) frame_bound ::= expr PRECEDING|FOLLOWING */ + 314, /* (325) frame_bound ::= CURRENT ROW */ + 317, /* (326) frame_exclude_opt ::= */ + 317, /* (327) frame_exclude_opt ::= EXCLUDE frame_exclude */ + 318, /* (328) frame_exclude ::= NO OTHERS */ + 318, /* (329) frame_exclude ::= CURRENT ROW */ + 318, /* (330) frame_exclude ::= GROUP|TIES */ + 251, /* (331) window_clause ::= WINDOW windowdefn_list */ + 273, /* (332) filter_over ::= filter_clause over_clause */ + 273, /* (333) filter_over ::= over_clause */ + 273, /* (334) filter_over ::= filter_clause */ + 312, /* (335) over_clause ::= OVER LP window RP */ + 312, /* (336) over_clause ::= OVER nm */ + 311, /* (337) filter_clause ::= FILTER LP WHERE expr RP */ + 185, /* (338) input ::= cmdlist */ + 186, /* (339) cmdlist ::= cmdlist ecmd */ + 186, /* (340) cmdlist ::= ecmd */ + 187, /* (341) ecmd ::= SEMI */ + 187, /* (342) ecmd ::= cmdx SEMI */ + 187, /* (343) ecmd ::= explain cmdx SEMI */ + 192, /* (344) trans_opt ::= */ + 192, /* (345) trans_opt ::= TRANSACTION */ + 192, /* (346) trans_opt ::= TRANSACTION nm */ + 194, /* (347) savepoint_opt ::= SAVEPOINT */ + 194, /* (348) savepoint_opt ::= */ + 190, /* (349) cmd ::= create_table create_table_args */ + 203, /* (350) table_option_set ::= table_option */ + 201, /* (351) columnlist ::= columnlist COMMA columnname carglist */ + 201, /* (352) columnlist ::= columnname carglist */ + 193, /* (353) nm ::= ID|INDEXED|JOIN_KW */ + 193, /* (354) nm ::= STRING */ + 208, /* (355) typetoken ::= typename */ + 209, /* (356) typename ::= ID|STRING */ + 210, /* (357) signed ::= plus_num */ + 210, /* (358) signed ::= minus_num */ + 207, /* (359) carglist ::= carglist ccons */ + 207, /* (360) carglist ::= */ + 215, /* (361) ccons ::= NULL onconf */ + 215, /* (362) ccons ::= GENERATED ALWAYS AS generated */ + 215, /* (363) ccons ::= AS generated */ + 202, /* (364) conslist_opt ::= COMMA conslist */ + 228, /* (365) conslist ::= conslist tconscomma tcons */ + 228, /* (366) conslist ::= tcons */ + 229, /* (367) tconscomma ::= */ + 233, /* (368) defer_subclause_opt ::= defer_subclause */ + 235, /* (369) resolvetype ::= raisetype */ + 239, /* (370) selectnowith ::= oneselect */ + 240, /* (371) oneselect ::= values */ + 254, /* (372) sclp ::= selcollist COMMA */ + 255, /* (373) as ::= ID|STRING */ + 264, /* (374) indexed_opt ::= indexed_by */ + 272, /* (375) returning ::= */ + 217, /* (376) expr ::= term */ + 274, /* (377) likeop ::= LIKE_KW|MATCH */ + 278, /* (378) case_operand ::= expr */ + 261, /* (379) exprlist ::= nexprlist */ + 284, /* (380) nmnum ::= plus_num */ + 284, /* (381) nmnum ::= nm */ + 284, /* (382) nmnum ::= ON */ + 284, /* (383) nmnum ::= DELETE */ + 284, /* (384) nmnum ::= DEFAULT */ + 211, /* (385) plus_num ::= INTEGER|FLOAT */ + 289, /* (386) foreach_clause ::= */ + 289, /* (387) foreach_clause ::= FOR EACH ROW */ + 292, /* (388) trnm ::= nm */ + 293, /* (389) tridxby ::= */ + 294, /* (390) database_kw_opt ::= DATABASE */ + 294, /* (391) database_kw_opt ::= */ + 297, /* (392) kwcolumn_opt ::= */ + 297, /* (393) kwcolumn_opt ::= COLUMNKW */ + 299, /* (394) vtabarglist ::= vtabarg */ + 299, /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ + 300, /* (396) vtabarg ::= vtabarg vtabargtoken */ + 303, /* (397) anylist ::= */ + 303, /* (398) anylist ::= anylist LP anylist RP */ + 303, /* (399) anylist ::= anylist ANY */ + 266, /* (400) with ::= */ + 306, /* (401) windowdefn_list ::= windowdefn */ + 308, /* (402) window ::= frame_opt */ }; /* For rule J, yyRuleInfoNRhs[J] contains the negative of the number @@ -157080,372 +172377,390 @@ static const signed char yyRuleInfoNRhs[] = { -3, /* (16) ifnotexists ::= IF NOT EXISTS */ -1, /* (17) temp ::= TEMP */ 0, /* (18) temp ::= */ - -5, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */ + -5, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_option_set */ -2, /* (20) create_table_args ::= AS select */ - 0, /* (21) table_options ::= */ - -2, /* (22) table_options ::= WITHOUT nm */ - -2, /* (23) columnname ::= nm typetoken */ - 0, /* (24) typetoken ::= */ - -4, /* (25) typetoken ::= typename LP signed RP */ - -6, /* (26) typetoken ::= typename LP signed COMMA signed RP */ - -2, /* (27) typename ::= typename ID|STRING */ - 0, /* (28) scanpt ::= */ - 0, /* (29) scantok ::= */ - -2, /* (30) ccons ::= CONSTRAINT nm */ - -3, /* (31) ccons ::= DEFAULT scantok term */ - -4, /* (32) ccons ::= DEFAULT LP expr RP */ - -4, /* (33) ccons ::= DEFAULT PLUS scantok term */ - -4, /* (34) ccons ::= DEFAULT MINUS scantok term */ - -3, /* (35) ccons ::= DEFAULT scantok ID|INDEXED */ - -3, /* (36) ccons ::= NOT NULL onconf */ - -5, /* (37) ccons ::= PRIMARY KEY sortorder onconf autoinc */ - -2, /* (38) ccons ::= UNIQUE onconf */ - -4, /* (39) ccons ::= CHECK LP expr RP */ - -4, /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */ - -1, /* (41) ccons ::= defer_subclause */ - -2, /* (42) ccons ::= COLLATE ID|STRING */ - -3, /* (43) generated ::= LP expr RP */ - -4, /* (44) generated ::= LP expr RP ID */ - 0, /* (45) autoinc ::= */ - -1, /* (46) autoinc ::= AUTOINCR */ - 0, /* (47) refargs ::= */ - -2, /* (48) refargs ::= refargs refarg */ - -2, /* (49) refarg ::= MATCH nm */ - -3, /* (50) refarg ::= ON INSERT refact */ - -3, /* (51) refarg ::= ON DELETE refact */ - -3, /* (52) refarg ::= ON UPDATE refact */ - -2, /* (53) refact ::= SET NULL */ - -2, /* (54) refact ::= SET DEFAULT */ - -1, /* (55) refact ::= CASCADE */ - -1, /* (56) refact ::= RESTRICT */ - -2, /* (57) refact ::= NO ACTION */ - -3, /* (58) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ - -2, /* (59) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - 0, /* (60) init_deferred_pred_opt ::= */ - -2, /* (61) init_deferred_pred_opt ::= INITIALLY DEFERRED */ - -2, /* (62) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ - 0, /* (63) conslist_opt ::= */ - -1, /* (64) tconscomma ::= COMMA */ - -2, /* (65) tcons ::= CONSTRAINT nm */ - -7, /* (66) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ - -5, /* (67) tcons ::= UNIQUE LP sortlist RP onconf */ - -5, /* (68) tcons ::= CHECK LP expr RP onconf */ - -10, /* (69) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ - 0, /* (70) defer_subclause_opt ::= */ - 0, /* (71) onconf ::= */ - -3, /* (72) onconf ::= ON CONFLICT resolvetype */ - 0, /* (73) orconf ::= */ - -2, /* (74) orconf ::= OR resolvetype */ - -1, /* (75) resolvetype ::= IGNORE */ - -1, /* (76) resolvetype ::= REPLACE */ - -4, /* (77) cmd ::= DROP TABLE ifexists fullname */ - -2, /* (78) ifexists ::= IF EXISTS */ - 0, /* (79) ifexists ::= */ - -9, /* (80) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ - -4, /* (81) cmd ::= DROP VIEW ifexists fullname */ - -1, /* (82) cmd ::= select */ - -3, /* (83) select ::= WITH wqlist selectnowith */ - -4, /* (84) select ::= WITH RECURSIVE wqlist selectnowith */ - -1, /* (85) select ::= selectnowith */ - -3, /* (86) selectnowith ::= selectnowith multiselect_op oneselect */ - -1, /* (87) multiselect_op ::= UNION */ - -2, /* (88) multiselect_op ::= UNION ALL */ - -1, /* (89) multiselect_op ::= EXCEPT|INTERSECT */ - -9, /* (90) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ - -10, /* (91) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ - -4, /* (92) values ::= VALUES LP nexprlist RP */ - -5, /* (93) values ::= values COMMA LP nexprlist RP */ - -1, /* (94) distinct ::= DISTINCT */ - -1, /* (95) distinct ::= ALL */ - 0, /* (96) distinct ::= */ - 0, /* (97) sclp ::= */ - -5, /* (98) selcollist ::= sclp scanpt expr scanpt as */ - -3, /* (99) selcollist ::= sclp scanpt STAR */ - -5, /* (100) selcollist ::= sclp scanpt nm DOT STAR */ - -2, /* (101) as ::= AS nm */ - 0, /* (102) as ::= */ - 0, /* (103) from ::= */ - -2, /* (104) from ::= FROM seltablist */ - -2, /* (105) stl_prefix ::= seltablist joinop */ - 0, /* (106) stl_prefix ::= */ - -7, /* (107) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ - -9, /* (108) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ - -7, /* (109) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ - -7, /* (110) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ - 0, /* (111) dbnm ::= */ - -2, /* (112) dbnm ::= DOT nm */ - -1, /* (113) fullname ::= nm */ - -3, /* (114) fullname ::= nm DOT nm */ - -1, /* (115) xfullname ::= nm */ - -3, /* (116) xfullname ::= nm DOT nm */ - -5, /* (117) xfullname ::= nm DOT nm AS nm */ - -3, /* (118) xfullname ::= nm AS nm */ - -1, /* (119) joinop ::= COMMA|JOIN */ - -2, /* (120) joinop ::= JOIN_KW JOIN */ - -3, /* (121) joinop ::= JOIN_KW nm JOIN */ - -4, /* (122) joinop ::= JOIN_KW nm nm JOIN */ - -2, /* (123) on_opt ::= ON expr */ - 0, /* (124) on_opt ::= */ - 0, /* (125) indexed_opt ::= */ - -3, /* (126) indexed_opt ::= INDEXED BY nm */ - -2, /* (127) indexed_opt ::= NOT INDEXED */ - -4, /* (128) using_opt ::= USING LP idlist RP */ - 0, /* (129) using_opt ::= */ - 0, /* (130) orderby_opt ::= */ - -3, /* (131) orderby_opt ::= ORDER BY sortlist */ - -5, /* (132) sortlist ::= sortlist COMMA expr sortorder nulls */ - -3, /* (133) sortlist ::= expr sortorder nulls */ - -1, /* (134) sortorder ::= ASC */ - -1, /* (135) sortorder ::= DESC */ - 0, /* (136) sortorder ::= */ - -2, /* (137) nulls ::= NULLS FIRST */ - -2, /* (138) nulls ::= NULLS LAST */ - 0, /* (139) nulls ::= */ - 0, /* (140) groupby_opt ::= */ - -3, /* (141) groupby_opt ::= GROUP BY nexprlist */ - 0, /* (142) having_opt ::= */ - -2, /* (143) having_opt ::= HAVING expr */ - 0, /* (144) limit_opt ::= */ - -2, /* (145) limit_opt ::= LIMIT expr */ - -4, /* (146) limit_opt ::= LIMIT expr OFFSET expr */ - -4, /* (147) limit_opt ::= LIMIT expr COMMA expr */ - -6, /* (148) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ - 0, /* (149) where_opt ::= */ - -2, /* (150) where_opt ::= WHERE expr */ - -9, /* (151) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ - -5, /* (152) setlist ::= setlist COMMA nm EQ expr */ - -7, /* (153) setlist ::= setlist COMMA LP idlist RP EQ expr */ - -3, /* (154) setlist ::= nm EQ expr */ - -5, /* (155) setlist ::= LP idlist RP EQ expr */ - -7, /* (156) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ - -7, /* (157) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ - 0, /* (158) upsert ::= */ - -11, /* (159) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ - -8, /* (160) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ - -4, /* (161) upsert ::= ON CONFLICT DO NOTHING */ - -2, /* (162) insert_cmd ::= INSERT orconf */ - -1, /* (163) insert_cmd ::= REPLACE */ - 0, /* (164) idlist_opt ::= */ - -3, /* (165) idlist_opt ::= LP idlist RP */ - -3, /* (166) idlist ::= idlist COMMA nm */ - -1, /* (167) idlist ::= nm */ - -3, /* (168) expr ::= LP expr RP */ - -1, /* (169) expr ::= ID|INDEXED */ - -1, /* (170) expr ::= JOIN_KW */ - -3, /* (171) expr ::= nm DOT nm */ - -5, /* (172) expr ::= nm DOT nm DOT nm */ - -1, /* (173) term ::= NULL|FLOAT|BLOB */ - -1, /* (174) term ::= STRING */ - -1, /* (175) term ::= INTEGER */ - -1, /* (176) expr ::= VARIABLE */ - -3, /* (177) expr ::= expr COLLATE ID|STRING */ - -6, /* (178) expr ::= CAST LP expr AS typetoken RP */ - -5, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP */ - -4, /* (180) expr ::= ID|INDEXED LP STAR RP */ - -6, /* (181) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - -5, /* (182) expr ::= ID|INDEXED LP STAR RP filter_over */ - -1, /* (183) term ::= CTIME_KW */ - -5, /* (184) expr ::= LP nexprlist COMMA expr RP */ - -3, /* (185) expr ::= expr AND expr */ - -3, /* (186) expr ::= expr OR expr */ - -3, /* (187) expr ::= expr LT|GT|GE|LE expr */ - -3, /* (188) expr ::= expr EQ|NE expr */ - -3, /* (189) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - -3, /* (190) expr ::= expr PLUS|MINUS expr */ - -3, /* (191) expr ::= expr STAR|SLASH|REM expr */ - -3, /* (192) expr ::= expr CONCAT expr */ - -2, /* (193) likeop ::= NOT LIKE_KW|MATCH */ - -3, /* (194) expr ::= expr likeop expr */ - -5, /* (195) expr ::= expr likeop expr ESCAPE expr */ - -2, /* (196) expr ::= expr ISNULL|NOTNULL */ - -3, /* (197) expr ::= expr NOT NULL */ - -3, /* (198) expr ::= expr IS expr */ - -4, /* (199) expr ::= expr IS NOT expr */ - -2, /* (200) expr ::= NOT expr */ - -2, /* (201) expr ::= BITNOT expr */ - -2, /* (202) expr ::= PLUS|MINUS expr */ - -1, /* (203) between_op ::= BETWEEN */ - -2, /* (204) between_op ::= NOT BETWEEN */ - -5, /* (205) expr ::= expr between_op expr AND expr */ - -1, /* (206) in_op ::= IN */ - -2, /* (207) in_op ::= NOT IN */ - -5, /* (208) expr ::= expr in_op LP exprlist RP */ - -3, /* (209) expr ::= LP select RP */ - -5, /* (210) expr ::= expr in_op LP select RP */ - -5, /* (211) expr ::= expr in_op nm dbnm paren_exprlist */ - -4, /* (212) expr ::= EXISTS LP select RP */ - -5, /* (213) expr ::= CASE case_operand case_exprlist case_else END */ - -5, /* (214) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - -4, /* (215) case_exprlist ::= WHEN expr THEN expr */ - -2, /* (216) case_else ::= ELSE expr */ - 0, /* (217) case_else ::= */ - -1, /* (218) case_operand ::= expr */ - 0, /* (219) case_operand ::= */ - 0, /* (220) exprlist ::= */ - -3, /* (221) nexprlist ::= nexprlist COMMA expr */ - -1, /* (222) nexprlist ::= expr */ - 0, /* (223) paren_exprlist ::= */ - -3, /* (224) paren_exprlist ::= LP exprlist RP */ - -12, /* (225) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ - -1, /* (226) uniqueflag ::= UNIQUE */ - 0, /* (227) uniqueflag ::= */ - 0, /* (228) eidlist_opt ::= */ - -3, /* (229) eidlist_opt ::= LP eidlist RP */ - -5, /* (230) eidlist ::= eidlist COMMA nm collate sortorder */ - -3, /* (231) eidlist ::= nm collate sortorder */ - 0, /* (232) collate ::= */ - -2, /* (233) collate ::= COLLATE ID|STRING */ - -4, /* (234) cmd ::= DROP INDEX ifexists fullname */ - -2, /* (235) cmd ::= VACUUM vinto */ - -3, /* (236) cmd ::= VACUUM nm vinto */ - -2, /* (237) vinto ::= INTO expr */ - 0, /* (238) vinto ::= */ - -3, /* (239) cmd ::= PRAGMA nm dbnm */ - -5, /* (240) cmd ::= PRAGMA nm dbnm EQ nmnum */ - -6, /* (241) cmd ::= PRAGMA nm dbnm LP nmnum RP */ - -5, /* (242) cmd ::= PRAGMA nm dbnm EQ minus_num */ - -6, /* (243) cmd ::= PRAGMA nm dbnm LP minus_num RP */ - -2, /* (244) plus_num ::= PLUS INTEGER|FLOAT */ - -2, /* (245) minus_num ::= MINUS INTEGER|FLOAT */ - -5, /* (246) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ - -11, /* (247) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ - -1, /* (248) trigger_time ::= BEFORE|AFTER */ - -2, /* (249) trigger_time ::= INSTEAD OF */ - 0, /* (250) trigger_time ::= */ - -1, /* (251) trigger_event ::= DELETE|INSERT */ - -1, /* (252) trigger_event ::= UPDATE */ - -3, /* (253) trigger_event ::= UPDATE OF idlist */ - 0, /* (254) when_clause ::= */ - -2, /* (255) when_clause ::= WHEN expr */ - -3, /* (256) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ - -2, /* (257) trigger_cmd_list ::= trigger_cmd SEMI */ - -3, /* (258) trnm ::= nm DOT nm */ - -3, /* (259) tridxby ::= INDEXED BY nm */ - -2, /* (260) tridxby ::= NOT INDEXED */ - -9, /* (261) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ - -8, /* (262) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ - -6, /* (263) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ - -3, /* (264) trigger_cmd ::= scanpt select scanpt */ - -4, /* (265) expr ::= RAISE LP IGNORE RP */ - -6, /* (266) expr ::= RAISE LP raisetype COMMA nm RP */ - -1, /* (267) raisetype ::= ROLLBACK */ - -1, /* (268) raisetype ::= ABORT */ - -1, /* (269) raisetype ::= FAIL */ - -4, /* (270) cmd ::= DROP TRIGGER ifexists fullname */ - -6, /* (271) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ - -3, /* (272) cmd ::= DETACH database_kw_opt expr */ - 0, /* (273) key_opt ::= */ - -2, /* (274) key_opt ::= KEY expr */ - -1, /* (275) cmd ::= REINDEX */ - -3, /* (276) cmd ::= REINDEX nm dbnm */ - -1, /* (277) cmd ::= ANALYZE */ - -3, /* (278) cmd ::= ANALYZE nm dbnm */ - -6, /* (279) cmd ::= ALTER TABLE fullname RENAME TO nm */ - -7, /* (280) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ - -1, /* (281) add_column_fullname ::= fullname */ - -8, /* (282) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ - -1, /* (283) cmd ::= create_vtab */ - -4, /* (284) cmd ::= create_vtab LP vtabarglist RP */ - -8, /* (285) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ - 0, /* (286) vtabarg ::= */ - -1, /* (287) vtabargtoken ::= ANY */ - -3, /* (288) vtabargtoken ::= lp anylist RP */ - -1, /* (289) lp ::= LP */ - -2, /* (290) with ::= WITH wqlist */ - -3, /* (291) with ::= WITH RECURSIVE wqlist */ - -6, /* (292) wqlist ::= nm eidlist_opt AS LP select RP */ - -8, /* (293) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ - -1, /* (294) windowdefn_list ::= windowdefn */ - -3, /* (295) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - -5, /* (296) windowdefn ::= nm AS LP window RP */ - -5, /* (297) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - -6, /* (298) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - -4, /* (299) window ::= ORDER BY sortlist frame_opt */ - -5, /* (300) window ::= nm ORDER BY sortlist frame_opt */ - -1, /* (301) window ::= frame_opt */ - -2, /* (302) window ::= nm frame_opt */ - 0, /* (303) frame_opt ::= */ - -3, /* (304) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - -6, /* (305) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - -1, /* (306) range_or_rows ::= RANGE|ROWS|GROUPS */ - -1, /* (307) frame_bound_s ::= frame_bound */ - -2, /* (308) frame_bound_s ::= UNBOUNDED PRECEDING */ - -1, /* (309) frame_bound_e ::= frame_bound */ - -2, /* (310) frame_bound_e ::= UNBOUNDED FOLLOWING */ - -2, /* (311) frame_bound ::= expr PRECEDING|FOLLOWING */ - -2, /* (312) frame_bound ::= CURRENT ROW */ - 0, /* (313) frame_exclude_opt ::= */ - -2, /* (314) frame_exclude_opt ::= EXCLUDE frame_exclude */ - -2, /* (315) frame_exclude ::= NO OTHERS */ - -2, /* (316) frame_exclude ::= CURRENT ROW */ - -1, /* (317) frame_exclude ::= GROUP|TIES */ - -2, /* (318) window_clause ::= WINDOW windowdefn_list */ - -2, /* (319) filter_over ::= filter_clause over_clause */ - -1, /* (320) filter_over ::= over_clause */ - -1, /* (321) filter_over ::= filter_clause */ - -4, /* (322) over_clause ::= OVER LP window RP */ - -2, /* (323) over_clause ::= OVER nm */ - -5, /* (324) filter_clause ::= FILTER LP WHERE expr RP */ - -1, /* (325) input ::= cmdlist */ - -2, /* (326) cmdlist ::= cmdlist ecmd */ - -1, /* (327) cmdlist ::= ecmd */ - -1, /* (328) ecmd ::= SEMI */ - -2, /* (329) ecmd ::= cmdx SEMI */ - -3, /* (330) ecmd ::= explain cmdx SEMI */ - 0, /* (331) trans_opt ::= */ - -1, /* (332) trans_opt ::= TRANSACTION */ - -2, /* (333) trans_opt ::= TRANSACTION nm */ - -1, /* (334) savepoint_opt ::= SAVEPOINT */ - 0, /* (335) savepoint_opt ::= */ - -2, /* (336) cmd ::= create_table create_table_args */ - -4, /* (337) columnlist ::= columnlist COMMA columnname carglist */ - -2, /* (338) columnlist ::= columnname carglist */ - -1, /* (339) nm ::= ID|INDEXED */ - -1, /* (340) nm ::= STRING */ - -1, /* (341) nm ::= JOIN_KW */ - -1, /* (342) typetoken ::= typename */ - -1, /* (343) typename ::= ID|STRING */ - -1, /* (344) signed ::= plus_num */ - -1, /* (345) signed ::= minus_num */ - -2, /* (346) carglist ::= carglist ccons */ - 0, /* (347) carglist ::= */ - -2, /* (348) ccons ::= NULL onconf */ - -4, /* (349) ccons ::= GENERATED ALWAYS AS generated */ - -2, /* (350) ccons ::= AS generated */ - -2, /* (351) conslist_opt ::= COMMA conslist */ - -3, /* (352) conslist ::= conslist tconscomma tcons */ - -1, /* (353) conslist ::= tcons */ - 0, /* (354) tconscomma ::= */ - -1, /* (355) defer_subclause_opt ::= defer_subclause */ - -1, /* (356) resolvetype ::= raisetype */ - -1, /* (357) selectnowith ::= oneselect */ - -1, /* (358) oneselect ::= values */ - -2, /* (359) sclp ::= selcollist COMMA */ - -1, /* (360) as ::= ID|STRING */ - -1, /* (361) expr ::= term */ - -1, /* (362) likeop ::= LIKE_KW|MATCH */ - -1, /* (363) exprlist ::= nexprlist */ - -1, /* (364) nmnum ::= plus_num */ - -1, /* (365) nmnum ::= nm */ - -1, /* (366) nmnum ::= ON */ - -1, /* (367) nmnum ::= DELETE */ - -1, /* (368) nmnum ::= DEFAULT */ - -1, /* (369) plus_num ::= INTEGER|FLOAT */ - 0, /* (370) foreach_clause ::= */ - -3, /* (371) foreach_clause ::= FOR EACH ROW */ - -1, /* (372) trnm ::= nm */ - 0, /* (373) tridxby ::= */ - -1, /* (374) database_kw_opt ::= DATABASE */ - 0, /* (375) database_kw_opt ::= */ - 0, /* (376) kwcolumn_opt ::= */ - -1, /* (377) kwcolumn_opt ::= COLUMNKW */ - -1, /* (378) vtabarglist ::= vtabarg */ - -3, /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ - -2, /* (380) vtabarg ::= vtabarg vtabargtoken */ - 0, /* (381) anylist ::= */ - -4, /* (382) anylist ::= anylist LP anylist RP */ - -2, /* (383) anylist ::= anylist ANY */ - 0, /* (384) with ::= */ + 0, /* (21) table_option_set ::= */ + -3, /* (22) table_option_set ::= table_option_set COMMA table_option */ + -2, /* (23) table_option ::= WITHOUT nm */ + -1, /* (24) table_option ::= nm */ + -2, /* (25) columnname ::= nm typetoken */ + 0, /* (26) typetoken ::= */ + -4, /* (27) typetoken ::= typename LP signed RP */ + -6, /* (28) typetoken ::= typename LP signed COMMA signed RP */ + -2, /* (29) typename ::= typename ID|STRING */ + 0, /* (30) scanpt ::= */ + 0, /* (31) scantok ::= */ + -2, /* (32) ccons ::= CONSTRAINT nm */ + -3, /* (33) ccons ::= DEFAULT scantok term */ + -4, /* (34) ccons ::= DEFAULT LP expr RP */ + -4, /* (35) ccons ::= DEFAULT PLUS scantok term */ + -4, /* (36) ccons ::= DEFAULT MINUS scantok term */ + -3, /* (37) ccons ::= DEFAULT scantok ID|INDEXED */ + -3, /* (38) ccons ::= NOT NULL onconf */ + -5, /* (39) ccons ::= PRIMARY KEY sortorder onconf autoinc */ + -2, /* (40) ccons ::= UNIQUE onconf */ + -4, /* (41) ccons ::= CHECK LP expr RP */ + -4, /* (42) ccons ::= REFERENCES nm eidlist_opt refargs */ + -1, /* (43) ccons ::= defer_subclause */ + -2, /* (44) ccons ::= COLLATE ID|STRING */ + -3, /* (45) generated ::= LP expr RP */ + -4, /* (46) generated ::= LP expr RP ID */ + 0, /* (47) autoinc ::= */ + -1, /* (48) autoinc ::= AUTOINCR */ + 0, /* (49) refargs ::= */ + -2, /* (50) refargs ::= refargs refarg */ + -2, /* (51) refarg ::= MATCH nm */ + -3, /* (52) refarg ::= ON INSERT refact */ + -3, /* (53) refarg ::= ON DELETE refact */ + -3, /* (54) refarg ::= ON UPDATE refact */ + -2, /* (55) refact ::= SET NULL */ + -2, /* (56) refact ::= SET DEFAULT */ + -1, /* (57) refact ::= CASCADE */ + -1, /* (58) refact ::= RESTRICT */ + -2, /* (59) refact ::= NO ACTION */ + -3, /* (60) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ + -2, /* (61) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + 0, /* (62) init_deferred_pred_opt ::= */ + -2, /* (63) init_deferred_pred_opt ::= INITIALLY DEFERRED */ + -2, /* (64) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ + 0, /* (65) conslist_opt ::= */ + -1, /* (66) tconscomma ::= COMMA */ + -2, /* (67) tcons ::= CONSTRAINT nm */ + -7, /* (68) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ + -5, /* (69) tcons ::= UNIQUE LP sortlist RP onconf */ + -5, /* (70) tcons ::= CHECK LP expr RP onconf */ + -10, /* (71) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + 0, /* (72) defer_subclause_opt ::= */ + 0, /* (73) onconf ::= */ + -3, /* (74) onconf ::= ON CONFLICT resolvetype */ + 0, /* (75) orconf ::= */ + -2, /* (76) orconf ::= OR resolvetype */ + -1, /* (77) resolvetype ::= IGNORE */ + -1, /* (78) resolvetype ::= REPLACE */ + -4, /* (79) cmd ::= DROP TABLE ifexists fullname */ + -2, /* (80) ifexists ::= IF EXISTS */ + 0, /* (81) ifexists ::= */ + -9, /* (82) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + -4, /* (83) cmd ::= DROP VIEW ifexists fullname */ + -1, /* (84) cmd ::= select */ + -3, /* (85) select ::= WITH wqlist selectnowith */ + -4, /* (86) select ::= WITH RECURSIVE wqlist selectnowith */ + -1, /* (87) select ::= selectnowith */ + -3, /* (88) selectnowith ::= selectnowith multiselect_op oneselect */ + -1, /* (89) multiselect_op ::= UNION */ + -2, /* (90) multiselect_op ::= UNION ALL */ + -1, /* (91) multiselect_op ::= EXCEPT|INTERSECT */ + -9, /* (92) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + -10, /* (93) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + -4, /* (94) values ::= VALUES LP nexprlist RP */ + -5, /* (95) values ::= values COMMA LP nexprlist RP */ + -1, /* (96) distinct ::= DISTINCT */ + -1, /* (97) distinct ::= ALL */ + 0, /* (98) distinct ::= */ + 0, /* (99) sclp ::= */ + -5, /* (100) selcollist ::= sclp scanpt expr scanpt as */ + -3, /* (101) selcollist ::= sclp scanpt STAR */ + -5, /* (102) selcollist ::= sclp scanpt nm DOT STAR */ + -2, /* (103) as ::= AS nm */ + 0, /* (104) as ::= */ + 0, /* (105) from ::= */ + -2, /* (106) from ::= FROM seltablist */ + -2, /* (107) stl_prefix ::= seltablist joinop */ + 0, /* (108) stl_prefix ::= */ + -5, /* (109) seltablist ::= stl_prefix nm dbnm as on_using */ + -6, /* (110) seltablist ::= stl_prefix nm dbnm as indexed_by on_using */ + -8, /* (111) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_using */ + -6, /* (112) seltablist ::= stl_prefix LP select RP as on_using */ + -6, /* (113) seltablist ::= stl_prefix LP seltablist RP as on_using */ + 0, /* (114) dbnm ::= */ + -2, /* (115) dbnm ::= DOT nm */ + -1, /* (116) fullname ::= nm */ + -3, /* (117) fullname ::= nm DOT nm */ + -1, /* (118) xfullname ::= nm */ + -3, /* (119) xfullname ::= nm DOT nm */ + -5, /* (120) xfullname ::= nm DOT nm AS nm */ + -3, /* (121) xfullname ::= nm AS nm */ + -1, /* (122) joinop ::= COMMA|JOIN */ + -2, /* (123) joinop ::= JOIN_KW JOIN */ + -3, /* (124) joinop ::= JOIN_KW nm JOIN */ + -4, /* (125) joinop ::= JOIN_KW nm nm JOIN */ + -2, /* (126) on_using ::= ON expr */ + -4, /* (127) on_using ::= USING LP idlist RP */ + 0, /* (128) on_using ::= */ + 0, /* (129) indexed_opt ::= */ + -3, /* (130) indexed_by ::= INDEXED BY nm */ + -2, /* (131) indexed_by ::= NOT INDEXED */ + 0, /* (132) orderby_opt ::= */ + -3, /* (133) orderby_opt ::= ORDER BY sortlist */ + -5, /* (134) sortlist ::= sortlist COMMA expr sortorder nulls */ + -3, /* (135) sortlist ::= expr sortorder nulls */ + -1, /* (136) sortorder ::= ASC */ + -1, /* (137) sortorder ::= DESC */ + 0, /* (138) sortorder ::= */ + -2, /* (139) nulls ::= NULLS FIRST */ + -2, /* (140) nulls ::= NULLS LAST */ + 0, /* (141) nulls ::= */ + 0, /* (142) groupby_opt ::= */ + -3, /* (143) groupby_opt ::= GROUP BY nexprlist */ + 0, /* (144) having_opt ::= */ + -2, /* (145) having_opt ::= HAVING expr */ + 0, /* (146) limit_opt ::= */ + -2, /* (147) limit_opt ::= LIMIT expr */ + -4, /* (148) limit_opt ::= LIMIT expr OFFSET expr */ + -4, /* (149) limit_opt ::= LIMIT expr COMMA expr */ + -6, /* (150) cmd ::= with DELETE FROM xfullname indexed_opt where_opt_ret */ + 0, /* (151) where_opt ::= */ + -2, /* (152) where_opt ::= WHERE expr */ + 0, /* (153) where_opt_ret ::= */ + -2, /* (154) where_opt_ret ::= WHERE expr */ + -2, /* (155) where_opt_ret ::= RETURNING selcollist */ + -4, /* (156) where_opt_ret ::= WHERE expr RETURNING selcollist */ + -9, /* (157) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt_ret */ + -5, /* (158) setlist ::= setlist COMMA nm EQ expr */ + -7, /* (159) setlist ::= setlist COMMA LP idlist RP EQ expr */ + -3, /* (160) setlist ::= nm EQ expr */ + -5, /* (161) setlist ::= LP idlist RP EQ expr */ + -7, /* (162) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + -8, /* (163) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES returning */ + 0, /* (164) upsert ::= */ + -2, /* (165) upsert ::= RETURNING selcollist */ + -12, /* (166) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt upsert */ + -9, /* (167) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING upsert */ + -5, /* (168) upsert ::= ON CONFLICT DO NOTHING returning */ + -8, /* (169) upsert ::= ON CONFLICT DO UPDATE SET setlist where_opt returning */ + -2, /* (170) returning ::= RETURNING selcollist */ + -2, /* (171) insert_cmd ::= INSERT orconf */ + -1, /* (172) insert_cmd ::= REPLACE */ + 0, /* (173) idlist_opt ::= */ + -3, /* (174) idlist_opt ::= LP idlist RP */ + -3, /* (175) idlist ::= idlist COMMA nm */ + -1, /* (176) idlist ::= nm */ + -3, /* (177) expr ::= LP expr RP */ + -1, /* (178) expr ::= ID|INDEXED|JOIN_KW */ + -3, /* (179) expr ::= nm DOT nm */ + -5, /* (180) expr ::= nm DOT nm DOT nm */ + -1, /* (181) term ::= NULL|FLOAT|BLOB */ + -1, /* (182) term ::= STRING */ + -1, /* (183) term ::= INTEGER */ + -1, /* (184) expr ::= VARIABLE */ + -3, /* (185) expr ::= expr COLLATE ID|STRING */ + -6, /* (186) expr ::= CAST LP expr AS typetoken RP */ + -5, /* (187) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ + -4, /* (188) expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ + -6, /* (189) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ + -5, /* (190) expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ + -1, /* (191) term ::= CTIME_KW */ + -5, /* (192) expr ::= LP nexprlist COMMA expr RP */ + -3, /* (193) expr ::= expr AND expr */ + -3, /* (194) expr ::= expr OR expr */ + -3, /* (195) expr ::= expr LT|GT|GE|LE expr */ + -3, /* (196) expr ::= expr EQ|NE expr */ + -3, /* (197) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + -3, /* (198) expr ::= expr PLUS|MINUS expr */ + -3, /* (199) expr ::= expr STAR|SLASH|REM expr */ + -3, /* (200) expr ::= expr CONCAT expr */ + -2, /* (201) likeop ::= NOT LIKE_KW|MATCH */ + -3, /* (202) expr ::= expr likeop expr */ + -5, /* (203) expr ::= expr likeop expr ESCAPE expr */ + -2, /* (204) expr ::= expr ISNULL|NOTNULL */ + -3, /* (205) expr ::= expr NOT NULL */ + -3, /* (206) expr ::= expr IS expr */ + -4, /* (207) expr ::= expr IS NOT expr */ + -6, /* (208) expr ::= expr IS NOT DISTINCT FROM expr */ + -5, /* (209) expr ::= expr IS DISTINCT FROM expr */ + -2, /* (210) expr ::= NOT expr */ + -2, /* (211) expr ::= BITNOT expr */ + -2, /* (212) expr ::= PLUS|MINUS expr */ + -3, /* (213) expr ::= expr PTR expr */ + -1, /* (214) between_op ::= BETWEEN */ + -2, /* (215) between_op ::= NOT BETWEEN */ + -5, /* (216) expr ::= expr between_op expr AND expr */ + -1, /* (217) in_op ::= IN */ + -2, /* (218) in_op ::= NOT IN */ + -5, /* (219) expr ::= expr in_op LP exprlist RP */ + -3, /* (220) expr ::= LP select RP */ + -5, /* (221) expr ::= expr in_op LP select RP */ + -5, /* (222) expr ::= expr in_op nm dbnm paren_exprlist */ + -4, /* (223) expr ::= EXISTS LP select RP */ + -5, /* (224) expr ::= CASE case_operand case_exprlist case_else END */ + -5, /* (225) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + -4, /* (226) case_exprlist ::= WHEN expr THEN expr */ + -2, /* (227) case_else ::= ELSE expr */ + 0, /* (228) case_else ::= */ + 0, /* (229) case_operand ::= */ + 0, /* (230) exprlist ::= */ + -3, /* (231) nexprlist ::= nexprlist COMMA expr */ + -1, /* (232) nexprlist ::= expr */ + 0, /* (233) paren_exprlist ::= */ + -3, /* (234) paren_exprlist ::= LP exprlist RP */ + -12, /* (235) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + -1, /* (236) uniqueflag ::= UNIQUE */ + 0, /* (237) uniqueflag ::= */ + 0, /* (238) eidlist_opt ::= */ + -3, /* (239) eidlist_opt ::= LP eidlist RP */ + -5, /* (240) eidlist ::= eidlist COMMA nm collate sortorder */ + -3, /* (241) eidlist ::= nm collate sortorder */ + 0, /* (242) collate ::= */ + -2, /* (243) collate ::= COLLATE ID|STRING */ + -4, /* (244) cmd ::= DROP INDEX ifexists fullname */ + -2, /* (245) cmd ::= VACUUM vinto */ + -3, /* (246) cmd ::= VACUUM nm vinto */ + -2, /* (247) vinto ::= INTO expr */ + 0, /* (248) vinto ::= */ + -3, /* (249) cmd ::= PRAGMA nm dbnm */ + -5, /* (250) cmd ::= PRAGMA nm dbnm EQ nmnum */ + -6, /* (251) cmd ::= PRAGMA nm dbnm LP nmnum RP */ + -5, /* (252) cmd ::= PRAGMA nm dbnm EQ minus_num */ + -6, /* (253) cmd ::= PRAGMA nm dbnm LP minus_num RP */ + -2, /* (254) plus_num ::= PLUS INTEGER|FLOAT */ + -2, /* (255) minus_num ::= MINUS INTEGER|FLOAT */ + -5, /* (256) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + -11, /* (257) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + -1, /* (258) trigger_time ::= BEFORE|AFTER */ + -2, /* (259) trigger_time ::= INSTEAD OF */ + 0, /* (260) trigger_time ::= */ + -1, /* (261) trigger_event ::= DELETE|INSERT */ + -1, /* (262) trigger_event ::= UPDATE */ + -3, /* (263) trigger_event ::= UPDATE OF idlist */ + 0, /* (264) when_clause ::= */ + -2, /* (265) when_clause ::= WHEN expr */ + -3, /* (266) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + -2, /* (267) trigger_cmd_list ::= trigger_cmd SEMI */ + -3, /* (268) trnm ::= nm DOT nm */ + -3, /* (269) tridxby ::= INDEXED BY nm */ + -2, /* (270) tridxby ::= NOT INDEXED */ + -9, /* (271) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ + -8, /* (272) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + -6, /* (273) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ + -3, /* (274) trigger_cmd ::= scanpt select scanpt */ + -4, /* (275) expr ::= RAISE LP IGNORE RP */ + -6, /* (276) expr ::= RAISE LP raisetype COMMA nm RP */ + -1, /* (277) raisetype ::= ROLLBACK */ + -1, /* (278) raisetype ::= ABORT */ + -1, /* (279) raisetype ::= FAIL */ + -4, /* (280) cmd ::= DROP TRIGGER ifexists fullname */ + -6, /* (281) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + -3, /* (282) cmd ::= DETACH database_kw_opt expr */ + 0, /* (283) key_opt ::= */ + -2, /* (284) key_opt ::= KEY expr */ + -1, /* (285) cmd ::= REINDEX */ + -3, /* (286) cmd ::= REINDEX nm dbnm */ + -1, /* (287) cmd ::= ANALYZE */ + -3, /* (288) cmd ::= ANALYZE nm dbnm */ + -6, /* (289) cmd ::= ALTER TABLE fullname RENAME TO nm */ + -7, /* (290) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + -6, /* (291) cmd ::= ALTER TABLE fullname DROP kwcolumn_opt nm */ + -1, /* (292) add_column_fullname ::= fullname */ + -8, /* (293) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + -1, /* (294) cmd ::= create_vtab */ + -4, /* (295) cmd ::= create_vtab LP vtabarglist RP */ + -8, /* (296) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + 0, /* (297) vtabarg ::= */ + -1, /* (298) vtabargtoken ::= ANY */ + -3, /* (299) vtabargtoken ::= lp anylist RP */ + -1, /* (300) lp ::= LP */ + -2, /* (301) with ::= WITH wqlist */ + -3, /* (302) with ::= WITH RECURSIVE wqlist */ + -1, /* (303) wqas ::= AS */ + -2, /* (304) wqas ::= AS MATERIALIZED */ + -3, /* (305) wqas ::= AS NOT MATERIALIZED */ + -6, /* (306) wqitem ::= nm eidlist_opt wqas LP select RP */ + -1, /* (307) wqlist ::= wqitem */ + -3, /* (308) wqlist ::= wqlist COMMA wqitem */ + -3, /* (309) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + -5, /* (310) windowdefn ::= nm AS LP window RP */ + -5, /* (311) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + -6, /* (312) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + -4, /* (313) window ::= ORDER BY sortlist frame_opt */ + -5, /* (314) window ::= nm ORDER BY sortlist frame_opt */ + -2, /* (315) window ::= nm frame_opt */ + 0, /* (316) frame_opt ::= */ + -3, /* (317) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + -6, /* (318) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + -1, /* (319) range_or_rows ::= RANGE|ROWS|GROUPS */ + -1, /* (320) frame_bound_s ::= frame_bound */ + -2, /* (321) frame_bound_s ::= UNBOUNDED PRECEDING */ + -1, /* (322) frame_bound_e ::= frame_bound */ + -2, /* (323) frame_bound_e ::= UNBOUNDED FOLLOWING */ + -2, /* (324) frame_bound ::= expr PRECEDING|FOLLOWING */ + -2, /* (325) frame_bound ::= CURRENT ROW */ + 0, /* (326) frame_exclude_opt ::= */ + -2, /* (327) frame_exclude_opt ::= EXCLUDE frame_exclude */ + -2, /* (328) frame_exclude ::= NO OTHERS */ + -2, /* (329) frame_exclude ::= CURRENT ROW */ + -1, /* (330) frame_exclude ::= GROUP|TIES */ + -2, /* (331) window_clause ::= WINDOW windowdefn_list */ + -2, /* (332) filter_over ::= filter_clause over_clause */ + -1, /* (333) filter_over ::= over_clause */ + -1, /* (334) filter_over ::= filter_clause */ + -4, /* (335) over_clause ::= OVER LP window RP */ + -2, /* (336) over_clause ::= OVER nm */ + -5, /* (337) filter_clause ::= FILTER LP WHERE expr RP */ + -1, /* (338) input ::= cmdlist */ + -2, /* (339) cmdlist ::= cmdlist ecmd */ + -1, /* (340) cmdlist ::= ecmd */ + -1, /* (341) ecmd ::= SEMI */ + -2, /* (342) ecmd ::= cmdx SEMI */ + -3, /* (343) ecmd ::= explain cmdx SEMI */ + 0, /* (344) trans_opt ::= */ + -1, /* (345) trans_opt ::= TRANSACTION */ + -2, /* (346) trans_opt ::= TRANSACTION nm */ + -1, /* (347) savepoint_opt ::= SAVEPOINT */ + 0, /* (348) savepoint_opt ::= */ + -2, /* (349) cmd ::= create_table create_table_args */ + -1, /* (350) table_option_set ::= table_option */ + -4, /* (351) columnlist ::= columnlist COMMA columnname carglist */ + -2, /* (352) columnlist ::= columnname carglist */ + -1, /* (353) nm ::= ID|INDEXED|JOIN_KW */ + -1, /* (354) nm ::= STRING */ + -1, /* (355) typetoken ::= typename */ + -1, /* (356) typename ::= ID|STRING */ + -1, /* (357) signed ::= plus_num */ + -1, /* (358) signed ::= minus_num */ + -2, /* (359) carglist ::= carglist ccons */ + 0, /* (360) carglist ::= */ + -2, /* (361) ccons ::= NULL onconf */ + -4, /* (362) ccons ::= GENERATED ALWAYS AS generated */ + -2, /* (363) ccons ::= AS generated */ + -2, /* (364) conslist_opt ::= COMMA conslist */ + -3, /* (365) conslist ::= conslist tconscomma tcons */ + -1, /* (366) conslist ::= tcons */ + 0, /* (367) tconscomma ::= */ + -1, /* (368) defer_subclause_opt ::= defer_subclause */ + -1, /* (369) resolvetype ::= raisetype */ + -1, /* (370) selectnowith ::= oneselect */ + -1, /* (371) oneselect ::= values */ + -2, /* (372) sclp ::= selcollist COMMA */ + -1, /* (373) as ::= ID|STRING */ + -1, /* (374) indexed_opt ::= indexed_by */ + 0, /* (375) returning ::= */ + -1, /* (376) expr ::= term */ + -1, /* (377) likeop ::= LIKE_KW|MATCH */ + -1, /* (378) case_operand ::= expr */ + -1, /* (379) exprlist ::= nexprlist */ + -1, /* (380) nmnum ::= plus_num */ + -1, /* (381) nmnum ::= nm */ + -1, /* (382) nmnum ::= ON */ + -1, /* (383) nmnum ::= DELETE */ + -1, /* (384) nmnum ::= DEFAULT */ + -1, /* (385) plus_num ::= INTEGER|FLOAT */ + 0, /* (386) foreach_clause ::= */ + -3, /* (387) foreach_clause ::= FOR EACH ROW */ + -1, /* (388) trnm ::= nm */ + 0, /* (389) tridxby ::= */ + -1, /* (390) database_kw_opt ::= DATABASE */ + 0, /* (391) database_kw_opt ::= */ + 0, /* (392) kwcolumn_opt ::= */ + -1, /* (393) kwcolumn_opt ::= COLUMNKW */ + -1, /* (394) vtabarglist ::= vtabarg */ + -3, /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ + -2, /* (396) vtabarg ::= vtabarg vtabargtoken */ + 0, /* (397) anylist ::= */ + -4, /* (398) anylist ::= anylist LP anylist RP */ + -2, /* (399) anylist ::= anylist ANY */ + 0, /* (400) with ::= */ + -1, /* (401) windowdefn_list ::= windowdefn */ + -1, /* (402) window ::= frame_opt */ }; static void yy_accept(yyParser*); /* Forward Declaration */ @@ -157475,54 +172790,6 @@ static YYACTIONTYPE yy_reduce( (void)yyLookahead; (void)yyLookaheadToken; yymsp = yypParser->yytos; -#ifndef NDEBUG - if( yyTraceFILE && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){ - yysize = yyRuleInfoNRhs[yyruleno]; - if( yysize ){ - fprintf(yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", - yyTracePrompt, - yyruleno, yyRuleName[yyruleno], - yyrulenoyytos - yypParser->yystack)>yypParser->yyhwm ){ - yypParser->yyhwm++; - assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack)); - } -#endif -#if YYSTACKDEPTH>0 - if( yypParser->yytos>=yypParser->yystackEnd ){ - yyStackOverflow(yypParser); - /* The call to yyStackOverflow() above pops the stack until it is - ** empty, causing the main parser loop to exit. So the return value - ** is never used and does not matter. */ - return 0; - } -#else - if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){ - if( yyGrowStack(yypParser) ){ - yyStackOverflow(yypParser); - /* The call to yyStackOverflow() above pops the stack until it is - ** empty, causing the main parser loop to exit. So the return value - ** is never used and does not matter. */ - return 0; - } - yymsp = yypParser->yytos; - } -#endif - } switch( yyruleno ){ /* Beginning here are the reduction cases. A typical example @@ -157536,25 +172803,25 @@ static YYACTIONTYPE yy_reduce( /********** Begin reduce actions **********************************************/ YYMINORTYPE yylhsminor; case 0: /* explain ::= EXPLAIN */ -{ pParse->explain = 1; } +{ if( pParse->pReprepare==0 ) pParse->explain = 1; } break; case 1: /* explain ::= EXPLAIN QUERY PLAN */ -{ pParse->explain = 2; } +{ if( pParse->pReprepare==0 ) pParse->explain = 2; } break; case 2: /* cmdx ::= cmd */ { sqlite3FinishCoding(pParse); } break; case 3: /* cmd ::= BEGIN transtype trans_opt */ -{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy192);} +{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy394);} break; case 4: /* transtype ::= */ -{yymsp[1].minor.yy192 = TK_DEFERRED;} +{yymsp[1].minor.yy394 = TK_DEFERRED;} break; case 5: /* transtype ::= DEFERRED */ case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6); case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7); - case 306: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==306); -{yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-X*/} + case 319: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==319); +{yymsp[0].minor.yy394 = yymsp[0].major; /*A-overwrites-X*/} break; case 8: /* cmd ::= COMMIT|END trans_opt */ case 9: /* cmd ::= ROLLBACK trans_opt */ yytestcase(yyruleno==9); @@ -157577,7 +172844,7 @@ static YYACTIONTYPE yy_reduce( break; case 13: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */ { - sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy192,0,0,yymsp[-2].minor.yy192); + sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy394,0,0,yymsp[-2].minor.yy394); } break; case 14: /* createkw ::= CREATE */ @@ -157585,96 +172852,112 @@ static YYACTIONTYPE yy_reduce( break; case 15: /* ifnotexists ::= */ case 18: /* temp ::= */ yytestcase(yyruleno==18); - case 21: /* table_options ::= */ yytestcase(yyruleno==21); - case 45: /* autoinc ::= */ yytestcase(yyruleno==45); - case 60: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==60); - case 70: /* defer_subclause_opt ::= */ yytestcase(yyruleno==70); - case 79: /* ifexists ::= */ yytestcase(yyruleno==79); - case 96: /* distinct ::= */ yytestcase(yyruleno==96); - case 232: /* collate ::= */ yytestcase(yyruleno==232); -{yymsp[1].minor.yy192 = 0;} + case 47: /* autoinc ::= */ yytestcase(yyruleno==47); + case 62: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==62); + case 72: /* defer_subclause_opt ::= */ yytestcase(yyruleno==72); + case 81: /* ifexists ::= */ yytestcase(yyruleno==81); + case 98: /* distinct ::= */ yytestcase(yyruleno==98); + case 242: /* collate ::= */ yytestcase(yyruleno==242); +{yymsp[1].minor.yy394 = 0;} break; case 16: /* ifnotexists ::= IF NOT EXISTS */ -{yymsp[-2].minor.yy192 = 1;} +{yymsp[-2].minor.yy394 = 1;} break; case 17: /* temp ::= TEMP */ - case 46: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==46); -{yymsp[0].minor.yy192 = 1;} +{yymsp[0].minor.yy394 = pParse->db->init.busy==0;} break; - case 19: /* create_table_args ::= LP columnlist conslist_opt RP table_options */ + case 19: /* create_table_args ::= LP columnlist conslist_opt RP table_option_set */ { - sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy192,0); + sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy285,0); } break; case 20: /* create_table_args ::= AS select */ { - sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy539); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy539); + sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy47); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy47); } break; - case 22: /* table_options ::= WITHOUT nm */ + case 21: /* table_option_set ::= */ +{yymsp[1].minor.yy285 = 0;} + break; + case 22: /* table_option_set ::= table_option_set COMMA table_option */ +{yylhsminor.yy285 = yymsp[-2].minor.yy285|yymsp[0].minor.yy285;} + yymsp[-2].minor.yy285 = yylhsminor.yy285; + break; + case 23: /* table_option ::= WITHOUT nm */ { if( yymsp[0].minor.yy0.n==5 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"rowid",5)==0 ){ - yymsp[-1].minor.yy192 = TF_WithoutRowid | TF_NoVisibleRowid; + yymsp[-1].minor.yy285 = TF_WithoutRowid | TF_NoVisibleRowid; }else{ - yymsp[-1].minor.yy192 = 0; + yymsp[-1].minor.yy285 = 0; sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z); } } break; - case 23: /* columnname ::= nm typetoken */ -{sqlite3AddColumn(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);} + case 24: /* table_option ::= nm */ +{ + if( yymsp[0].minor.yy0.n==6 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"strict",6)==0 ){ + yylhsminor.yy285 = TF_Strict; + }else{ + yylhsminor.yy285 = 0; + sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z); + } +} + yymsp[0].minor.yy285 = yylhsminor.yy285; + break; + case 25: /* columnname ::= nm typetoken */ +{sqlite3AddColumn(pParse,yymsp[-1].minor.yy0,yymsp[0].minor.yy0);} break; - case 24: /* typetoken ::= */ - case 63: /* conslist_opt ::= */ yytestcase(yyruleno==63); - case 102: /* as ::= */ yytestcase(yyruleno==102); + case 26: /* typetoken ::= */ + case 65: /* conslist_opt ::= */ yytestcase(yyruleno==65); + case 104: /* as ::= */ yytestcase(yyruleno==104); {yymsp[1].minor.yy0.n = 0; yymsp[1].minor.yy0.z = 0;} break; - case 25: /* typetoken ::= typename LP signed RP */ + case 27: /* typetoken ::= typename LP signed RP */ { yymsp[-3].minor.yy0.n = (int)(&yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-3].minor.yy0.z); } break; - case 26: /* typetoken ::= typename LP signed COMMA signed RP */ + case 28: /* typetoken ::= typename LP signed COMMA signed RP */ { yymsp[-5].minor.yy0.n = (int)(&yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-5].minor.yy0.z); } break; - case 27: /* typename ::= typename ID|STRING */ + case 29: /* typename ::= typename ID|STRING */ {yymsp[-1].minor.yy0.n=yymsp[0].minor.yy0.n+(int)(yymsp[0].minor.yy0.z-yymsp[-1].minor.yy0.z);} break; - case 28: /* scanpt ::= */ + case 30: /* scanpt ::= */ { assert( yyLookahead!=YYNOCODE ); - yymsp[1].minor.yy436 = yyLookaheadToken.z; + yymsp[1].minor.yy522 = yyLookaheadToken.z; } break; - case 29: /* scantok ::= */ + case 31: /* scantok ::= */ { assert( yyLookahead!=YYNOCODE ); yymsp[1].minor.yy0 = yyLookaheadToken; } break; - case 30: /* ccons ::= CONSTRAINT nm */ - case 65: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==65); + case 32: /* ccons ::= CONSTRAINT nm */ + case 67: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==67); {pParse->constraintName = yymsp[0].minor.yy0;} break; - case 31: /* ccons ::= DEFAULT scantok term */ -{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy202,yymsp[-1].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} + case 33: /* ccons ::= DEFAULT scantok term */ +{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy528,yymsp[-1].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} break; - case 32: /* ccons ::= DEFAULT LP expr RP */ -{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy202,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);} + case 34: /* ccons ::= DEFAULT LP expr RP */ +{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy528,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);} break; - case 33: /* ccons ::= DEFAULT PLUS scantok term */ -{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy202,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} + case 35: /* ccons ::= DEFAULT PLUS scantok term */ +{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy528,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} break; - case 34: /* ccons ::= DEFAULT MINUS scantok term */ + case 36: /* ccons ::= DEFAULT MINUS scantok term */ { - Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy202, 0); + Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy528, 0); sqlite3AddDefaultValue(pParse,p,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]); } break; - case 35: /* ccons ::= DEFAULT scantok ID|INDEXED */ + case 37: /* ccons ::= DEFAULT scantok ID|INDEXED */ { Expr *p = tokenExpr(pParse, TK_STRING, yymsp[0].minor.yy0); if( p ){ @@ -157684,323 +172967,318 @@ static YYACTIONTYPE yy_reduce( sqlite3AddDefaultValue(pParse,p,yymsp[0].minor.yy0.z,yymsp[0].minor.yy0.z+yymsp[0].minor.yy0.n); } break; - case 36: /* ccons ::= NOT NULL onconf */ -{sqlite3AddNotNull(pParse, yymsp[0].minor.yy192);} + case 38: /* ccons ::= NOT NULL onconf */ +{sqlite3AddNotNull(pParse, yymsp[0].minor.yy394);} break; - case 37: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */ -{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy192,yymsp[0].minor.yy192,yymsp[-2].minor.yy192);} + case 39: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */ +{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy394,yymsp[0].minor.yy394,yymsp[-2].minor.yy394);} break; - case 38: /* ccons ::= UNIQUE onconf */ -{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy192,0,0,0,0, + case 40: /* ccons ::= UNIQUE onconf */ +{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy394,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; - case 39: /* ccons ::= CHECK LP expr RP */ -{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy202);} + case 41: /* ccons ::= CHECK LP expr RP */ +{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy528,yymsp[-2].minor.yy0.z,yymsp[0].minor.yy0.z);} break; - case 40: /* ccons ::= REFERENCES nm eidlist_opt refargs */ -{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy242,yymsp[0].minor.yy192);} + case 42: /* ccons ::= REFERENCES nm eidlist_opt refargs */ +{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy322,yymsp[0].minor.yy394);} break; - case 41: /* ccons ::= defer_subclause */ -{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy192);} + case 43: /* ccons ::= defer_subclause */ +{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy394);} break; - case 42: /* ccons ::= COLLATE ID|STRING */ + case 44: /* ccons ::= COLLATE ID|STRING */ {sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);} break; - case 43: /* generated ::= LP expr RP */ -{sqlite3AddGenerated(pParse,yymsp[-1].minor.yy202,0);} + case 45: /* generated ::= LP expr RP */ +{sqlite3AddGenerated(pParse,yymsp[-1].minor.yy528,0);} break; - case 44: /* generated ::= LP expr RP ID */ -{sqlite3AddGenerated(pParse,yymsp[-2].minor.yy202,&yymsp[0].minor.yy0);} + case 46: /* generated ::= LP expr RP ID */ +{sqlite3AddGenerated(pParse,yymsp[-2].minor.yy528,&yymsp[0].minor.yy0);} break; - case 47: /* refargs ::= */ -{ yymsp[1].minor.yy192 = OE_None*0x0101; /* EV: R-19803-45884 */} + case 48: /* autoinc ::= AUTOINCR */ +{yymsp[0].minor.yy394 = 1;} break; - case 48: /* refargs ::= refargs refarg */ -{ yymsp[-1].minor.yy192 = (yymsp[-1].minor.yy192 & ~yymsp[0].minor.yy207.mask) | yymsp[0].minor.yy207.value; } + case 49: /* refargs ::= */ +{ yymsp[1].minor.yy394 = OE_None*0x0101; /* EV: R-19803-45884 */} break; - case 49: /* refarg ::= MATCH nm */ -{ yymsp[-1].minor.yy207.value = 0; yymsp[-1].minor.yy207.mask = 0x000000; } + case 50: /* refargs ::= refargs refarg */ +{ yymsp[-1].minor.yy394 = (yymsp[-1].minor.yy394 & ~yymsp[0].minor.yy231.mask) | yymsp[0].minor.yy231.value; } break; - case 50: /* refarg ::= ON INSERT refact */ -{ yymsp[-2].minor.yy207.value = 0; yymsp[-2].minor.yy207.mask = 0x000000; } + case 51: /* refarg ::= MATCH nm */ +{ yymsp[-1].minor.yy231.value = 0; yymsp[-1].minor.yy231.mask = 0x000000; } break; - case 51: /* refarg ::= ON DELETE refact */ -{ yymsp[-2].minor.yy207.value = yymsp[0].minor.yy192; yymsp[-2].minor.yy207.mask = 0x0000ff; } + case 52: /* refarg ::= ON INSERT refact */ +{ yymsp[-2].minor.yy231.value = 0; yymsp[-2].minor.yy231.mask = 0x000000; } break; - case 52: /* refarg ::= ON UPDATE refact */ -{ yymsp[-2].minor.yy207.value = yymsp[0].minor.yy192<<8; yymsp[-2].minor.yy207.mask = 0x00ff00; } + case 53: /* refarg ::= ON DELETE refact */ +{ yymsp[-2].minor.yy231.value = yymsp[0].minor.yy394; yymsp[-2].minor.yy231.mask = 0x0000ff; } break; - case 53: /* refact ::= SET NULL */ -{ yymsp[-1].minor.yy192 = OE_SetNull; /* EV: R-33326-45252 */} + case 54: /* refarg ::= ON UPDATE refact */ +{ yymsp[-2].minor.yy231.value = yymsp[0].minor.yy394<<8; yymsp[-2].minor.yy231.mask = 0x00ff00; } break; - case 54: /* refact ::= SET DEFAULT */ -{ yymsp[-1].minor.yy192 = OE_SetDflt; /* EV: R-33326-45252 */} + case 55: /* refact ::= SET NULL */ +{ yymsp[-1].minor.yy394 = OE_SetNull; /* EV: R-33326-45252 */} break; - case 55: /* refact ::= CASCADE */ -{ yymsp[0].minor.yy192 = OE_Cascade; /* EV: R-33326-45252 */} + case 56: /* refact ::= SET DEFAULT */ +{ yymsp[-1].minor.yy394 = OE_SetDflt; /* EV: R-33326-45252 */} break; - case 56: /* refact ::= RESTRICT */ -{ yymsp[0].minor.yy192 = OE_Restrict; /* EV: R-33326-45252 */} + case 57: /* refact ::= CASCADE */ +{ yymsp[0].minor.yy394 = OE_Cascade; /* EV: R-33326-45252 */} break; - case 57: /* refact ::= NO ACTION */ -{ yymsp[-1].minor.yy192 = OE_None; /* EV: R-33326-45252 */} + case 58: /* refact ::= RESTRICT */ +{ yymsp[0].minor.yy394 = OE_Restrict; /* EV: R-33326-45252 */} break; - case 58: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ -{yymsp[-2].minor.yy192 = 0;} + case 59: /* refact ::= NO ACTION */ +{ yymsp[-1].minor.yy394 = OE_None; /* EV: R-33326-45252 */} break; - case 59: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - case 74: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==74); - case 162: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==162); -{yymsp[-1].minor.yy192 = yymsp[0].minor.yy192;} + case 60: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ +{yymsp[-2].minor.yy394 = 0;} break; - case 61: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ - case 78: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==78); - case 204: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==204); - case 207: /* in_op ::= NOT IN */ yytestcase(yyruleno==207); - case 233: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==233); -{yymsp[-1].minor.yy192 = 1;} + case 61: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + case 76: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==76); + case 171: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==171); +{yymsp[-1].minor.yy394 = yymsp[0].minor.yy394;} break; - case 62: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ -{yymsp[-1].minor.yy192 = 0;} + case 63: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ + case 80: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==80); + case 215: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==215); + case 218: /* in_op ::= NOT IN */ yytestcase(yyruleno==218); + case 243: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==243); +{yymsp[-1].minor.yy394 = 1;} break; - case 64: /* tconscomma ::= COMMA */ + case 64: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ +{yymsp[-1].minor.yy394 = 0;} + break; + case 66: /* tconscomma ::= COMMA */ {pParse->constraintName.n = 0;} break; - case 66: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ -{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy242,yymsp[0].minor.yy192,yymsp[-2].minor.yy192,0);} + case 68: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ +{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy322,yymsp[0].minor.yy394,yymsp[-2].minor.yy394,0);} break; - case 67: /* tcons ::= UNIQUE LP sortlist RP onconf */ -{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy242,yymsp[0].minor.yy192,0,0,0,0, + case 69: /* tcons ::= UNIQUE LP sortlist RP onconf */ +{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy322,yymsp[0].minor.yy394,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; - case 68: /* tcons ::= CHECK LP expr RP onconf */ -{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy202);} + case 70: /* tcons ::= CHECK LP expr RP onconf */ +{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy528,yymsp[-3].minor.yy0.z,yymsp[-1].minor.yy0.z);} break; - case 69: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + case 71: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ { - sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy242, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy242, yymsp[-1].minor.yy192); - sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy192); + sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy322, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy322, yymsp[-1].minor.yy394); + sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy394); } break; - case 71: /* onconf ::= */ - case 73: /* orconf ::= */ yytestcase(yyruleno==73); -{yymsp[1].minor.yy192 = OE_Default;} + case 73: /* onconf ::= */ + case 75: /* orconf ::= */ yytestcase(yyruleno==75); +{yymsp[1].minor.yy394 = OE_Default;} break; - case 72: /* onconf ::= ON CONFLICT resolvetype */ -{yymsp[-2].minor.yy192 = yymsp[0].minor.yy192;} + case 74: /* onconf ::= ON CONFLICT resolvetype */ +{yymsp[-2].minor.yy394 = yymsp[0].minor.yy394;} break; - case 75: /* resolvetype ::= IGNORE */ -{yymsp[0].minor.yy192 = OE_Ignore;} + case 77: /* resolvetype ::= IGNORE */ +{yymsp[0].minor.yy394 = OE_Ignore;} break; - case 76: /* resolvetype ::= REPLACE */ - case 163: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==163); -{yymsp[0].minor.yy192 = OE_Replace;} + case 78: /* resolvetype ::= REPLACE */ + case 172: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==172); +{yymsp[0].minor.yy394 = OE_Replace;} break; - case 77: /* cmd ::= DROP TABLE ifexists fullname */ + case 79: /* cmd ::= DROP TABLE ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy47, 0, yymsp[-1].minor.yy192); + sqlite3DropTable(pParse, yymsp[0].minor.yy131, 0, yymsp[-1].minor.yy394); } break; - case 80: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + case 82: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ { - sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy242, yymsp[0].minor.yy539, yymsp[-7].minor.yy192, yymsp[-5].minor.yy192); + sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy322, yymsp[0].minor.yy47, yymsp[-7].minor.yy394, yymsp[-5].minor.yy394); } break; - case 81: /* cmd ::= DROP VIEW ifexists fullname */ + case 83: /* cmd ::= DROP VIEW ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy47, 1, yymsp[-1].minor.yy192); + sqlite3DropTable(pParse, yymsp[0].minor.yy131, 1, yymsp[-1].minor.yy394); } break; - case 82: /* cmd ::= select */ + case 84: /* cmd ::= select */ { SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0, 0}; - sqlite3Select(pParse, yymsp[0].minor.yy539, &dest); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy539); + sqlite3Select(pParse, yymsp[0].minor.yy47, &dest); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy47); } break; - case 83: /* select ::= WITH wqlist selectnowith */ -{ - Select *p = yymsp[0].minor.yy539; - if( p ){ - p->pWith = yymsp[-1].minor.yy131; - parserDoubleLinkSelect(pParse, p); - }else{ - sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy131); - } - yymsp[-2].minor.yy539 = p; -} + case 85: /* select ::= WITH wqlist selectnowith */ +{yymsp[-2].minor.yy47 = attachWithToSelect(pParse,yymsp[0].minor.yy47,yymsp[-1].minor.yy521);} break; - case 84: /* select ::= WITH RECURSIVE wqlist selectnowith */ -{ - Select *p = yymsp[0].minor.yy539; - if( p ){ - p->pWith = yymsp[-1].minor.yy131; - parserDoubleLinkSelect(pParse, p); - }else{ - sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy131); - } - yymsp[-3].minor.yy539 = p; -} + case 86: /* select ::= WITH RECURSIVE wqlist selectnowith */ +{yymsp[-3].minor.yy47 = attachWithToSelect(pParse,yymsp[0].minor.yy47,yymsp[-1].minor.yy521);} break; - case 85: /* select ::= selectnowith */ + case 87: /* select ::= selectnowith */ { - Select *p = yymsp[0].minor.yy539; + Select *p = yymsp[0].minor.yy47; if( p ){ parserDoubleLinkSelect(pParse, p); } - yymsp[0].minor.yy539 = p; /*A-overwrites-X*/ } break; - case 86: /* selectnowith ::= selectnowith multiselect_op oneselect */ + case 88: /* selectnowith ::= selectnowith multiselect_op oneselect */ { - Select *pRhs = yymsp[0].minor.yy539; - Select *pLhs = yymsp[-2].minor.yy539; + Select *pRhs = yymsp[0].minor.yy47; + Select *pLhs = yymsp[-2].minor.yy47; if( pRhs && pRhs->pPrior ){ SrcList *pFrom; Token x; x.n = 0; parserDoubleLinkSelect(pParse, pRhs); - pFrom = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&x,pRhs,0,0); + pFrom = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&x,pRhs,0); pRhs = sqlite3SelectNew(pParse,0,pFrom,0,0,0,0,0,0); } if( pRhs ){ - pRhs->op = (u8)yymsp[-1].minor.yy192; + pRhs->op = (u8)yymsp[-1].minor.yy394; pRhs->pPrior = pLhs; if( ALWAYS(pLhs) ) pLhs->selFlags &= ~SF_MultiValue; pRhs->selFlags &= ~SF_MultiValue; - if( yymsp[-1].minor.yy192!=TK_ALL ) pParse->hasCompound = 1; + if( yymsp[-1].minor.yy394!=TK_ALL ) pParse->hasCompound = 1; }else{ sqlite3SelectDelete(pParse->db, pLhs); } - yymsp[-2].minor.yy539 = pRhs; + yymsp[-2].minor.yy47 = pRhs; } break; - case 87: /* multiselect_op ::= UNION */ - case 89: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==89); -{yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-OP*/} + case 89: /* multiselect_op ::= UNION */ + case 91: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==91); +{yymsp[0].minor.yy394 = yymsp[0].major; /*A-overwrites-OP*/} break; - case 88: /* multiselect_op ::= UNION ALL */ -{yymsp[-1].minor.yy192 = TK_ALL;} + case 90: /* multiselect_op ::= UNION ALL */ +{yymsp[-1].minor.yy394 = TK_ALL;} break; - case 90: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + case 92: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ { - yymsp[-8].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy242,yymsp[-5].minor.yy47,yymsp[-4].minor.yy202,yymsp[-3].minor.yy242,yymsp[-2].minor.yy202,yymsp[-1].minor.yy242,yymsp[-7].minor.yy192,yymsp[0].minor.yy202); + yymsp[-8].minor.yy47 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy322,yymsp[-5].minor.yy131,yymsp[-4].minor.yy528,yymsp[-3].minor.yy322,yymsp[-2].minor.yy528,yymsp[-1].minor.yy322,yymsp[-7].minor.yy394,yymsp[0].minor.yy528); } break; - case 91: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + case 93: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ { - yymsp[-9].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy242,yymsp[-6].minor.yy47,yymsp[-5].minor.yy202,yymsp[-4].minor.yy242,yymsp[-3].minor.yy202,yymsp[-1].minor.yy242,yymsp[-8].minor.yy192,yymsp[0].minor.yy202); - if( yymsp[-9].minor.yy539 ){ - yymsp[-9].minor.yy539->pWinDefn = yymsp[-2].minor.yy303; + yymsp[-9].minor.yy47 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy322,yymsp[-6].minor.yy131,yymsp[-5].minor.yy528,yymsp[-4].minor.yy322,yymsp[-3].minor.yy528,yymsp[-1].minor.yy322,yymsp[-8].minor.yy394,yymsp[0].minor.yy528); + if( yymsp[-9].minor.yy47 ){ + yymsp[-9].minor.yy47->pWinDefn = yymsp[-2].minor.yy41; }else{ - sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy303); + sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy41); } } break; - case 92: /* values ::= VALUES LP nexprlist RP */ + case 94: /* values ::= VALUES LP nexprlist RP */ { - yymsp[-3].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy242,0,0,0,0,0,SF_Values,0); + yymsp[-3].minor.yy47 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy322,0,0,0,0,0,SF_Values,0); } break; - case 93: /* values ::= values COMMA LP nexprlist RP */ + case 95: /* values ::= values COMMA LP nexprlist RP */ { - Select *pRight, *pLeft = yymsp[-4].minor.yy539; - pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy242,0,0,0,0,0,SF_Values|SF_MultiValue,0); + Select *pRight, *pLeft = yymsp[-4].minor.yy47; + pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy322,0,0,0,0,0,SF_Values|SF_MultiValue,0); if( ALWAYS(pLeft) ) pLeft->selFlags &= ~SF_MultiValue; if( pRight ){ pRight->op = TK_ALL; pRight->pPrior = pLeft; - yymsp[-4].minor.yy539 = pRight; + yymsp[-4].minor.yy47 = pRight; }else{ - yymsp[-4].minor.yy539 = pLeft; + yymsp[-4].minor.yy47 = pLeft; } } break; - case 94: /* distinct ::= DISTINCT */ -{yymsp[0].minor.yy192 = SF_Distinct;} + case 96: /* distinct ::= DISTINCT */ +{yymsp[0].minor.yy394 = SF_Distinct;} break; - case 95: /* distinct ::= ALL */ -{yymsp[0].minor.yy192 = SF_All;} + case 97: /* distinct ::= ALL */ +{yymsp[0].minor.yy394 = SF_All;} break; - case 97: /* sclp ::= */ - case 130: /* orderby_opt ::= */ yytestcase(yyruleno==130); - case 140: /* groupby_opt ::= */ yytestcase(yyruleno==140); - case 220: /* exprlist ::= */ yytestcase(yyruleno==220); - case 223: /* paren_exprlist ::= */ yytestcase(yyruleno==223); - case 228: /* eidlist_opt ::= */ yytestcase(yyruleno==228); -{yymsp[1].minor.yy242 = 0;} + case 99: /* sclp ::= */ + case 132: /* orderby_opt ::= */ yytestcase(yyruleno==132); + case 142: /* groupby_opt ::= */ yytestcase(yyruleno==142); + case 230: /* exprlist ::= */ yytestcase(yyruleno==230); + case 233: /* paren_exprlist ::= */ yytestcase(yyruleno==233); + case 238: /* eidlist_opt ::= */ yytestcase(yyruleno==238); +{yymsp[1].minor.yy322 = 0;} break; - case 98: /* selcollist ::= sclp scanpt expr scanpt as */ + case 100: /* selcollist ::= sclp scanpt expr scanpt as */ { - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy242, yymsp[-2].minor.yy202); - if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy242, &yymsp[0].minor.yy0, 1); - sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy242,yymsp[-3].minor.yy436,yymsp[-1].minor.yy436); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy322, yymsp[-2].minor.yy528); + if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy322, &yymsp[0].minor.yy0, 1); + sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy322,yymsp[-3].minor.yy522,yymsp[-1].minor.yy522); } break; - case 99: /* selcollist ::= sclp scanpt STAR */ + case 101: /* selcollist ::= sclp scanpt STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0); - yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy242, p); + sqlite3ExprSetErrorOffset(p, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); + yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy322, p); } break; - case 100: /* selcollist ::= sclp scanpt nm DOT STAR */ + case 102: /* selcollist ::= sclp scanpt nm DOT STAR */ { - Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); - Expr *pLeft = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); - Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, pDot); -} - break; - case 101: /* as ::= AS nm */ - case 112: /* dbnm ::= DOT nm */ yytestcase(yyruleno==112); - case 244: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==244); - case 245: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==245); + Expr *pRight, *pLeft, *pDot; + pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); + sqlite3ExprSetErrorOffset(pRight, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); + pLeft = tokenExpr(pParse, TK_ID, yymsp[-2].minor.yy0); + pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, pDot); +} + break; + case 103: /* as ::= AS nm */ + case 115: /* dbnm ::= DOT nm */ yytestcase(yyruleno==115); + case 254: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==254); + case 255: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==255); {yymsp[-1].minor.yy0 = yymsp[0].minor.yy0;} break; - case 103: /* from ::= */ - case 106: /* stl_prefix ::= */ yytestcase(yyruleno==106); -{yymsp[1].minor.yy47 = 0;} + case 105: /* from ::= */ + case 108: /* stl_prefix ::= */ yytestcase(yyruleno==108); +{yymsp[1].minor.yy131 = 0;} + break; + case 106: /* from ::= FROM seltablist */ +{ + yymsp[-1].minor.yy131 = yymsp[0].minor.yy131; + sqlite3SrcListShiftJoinType(pParse,yymsp[-1].minor.yy131); +} break; - case 104: /* from ::= FROM seltablist */ + case 107: /* stl_prefix ::= seltablist joinop */ { - yymsp[-1].minor.yy47 = yymsp[0].minor.yy47; - sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy47); + if( ALWAYS(yymsp[-1].minor.yy131 && yymsp[-1].minor.yy131->nSrc>0) ) yymsp[-1].minor.yy131->a[yymsp[-1].minor.yy131->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy394; } break; - case 105: /* stl_prefix ::= seltablist joinop */ + case 109: /* seltablist ::= stl_prefix nm dbnm as on_using */ { - if( ALWAYS(yymsp[-1].minor.yy47 && yymsp[-1].minor.yy47->nSrc>0) ) yymsp[-1].minor.yy47->a[yymsp[-1].minor.yy47->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy192; + yymsp[-4].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-4].minor.yy131,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0,&yymsp[0].minor.yy561); } break; - case 107: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ + case 110: /* seltablist ::= stl_prefix nm dbnm as indexed_by on_using */ { - yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); - sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy47, &yymsp[-2].minor.yy0); + yymsp[-5].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-5].minor.yy131,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,0,&yymsp[0].minor.yy561); + sqlite3SrcListIndexedBy(pParse, yymsp[-5].minor.yy131, &yymsp[-1].minor.yy0); } break; - case 108: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ + case 111: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_using */ { - yymsp[-8].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy47,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); - sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy47, yymsp[-4].minor.yy242); + yymsp[-7].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-7].minor.yy131,&yymsp[-6].minor.yy0,&yymsp[-5].minor.yy0,&yymsp[-1].minor.yy0,0,&yymsp[0].minor.yy561); + sqlite3SrcListFuncArgs(pParse, yymsp[-7].minor.yy131, yymsp[-3].minor.yy322); } break; - case 109: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */ + case 112: /* seltablist ::= stl_prefix LP select RP as on_using */ { - yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy539,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); + yymsp[-5].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-5].minor.yy131,0,0,&yymsp[-1].minor.yy0,yymsp[-3].minor.yy47,&yymsp[0].minor.yy561); } break; - case 110: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ + case 113: /* seltablist ::= stl_prefix LP seltablist RP as on_using */ { - if( yymsp[-6].minor.yy47==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy202==0 && yymsp[0].minor.yy600==0 ){ - yymsp[-6].minor.yy47 = yymsp[-4].minor.yy47; - }else if( yymsp[-4].minor.yy47->nSrc==1 ){ - yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); - if( yymsp[-6].minor.yy47 ){ - struct SrcList_item *pNew = &yymsp[-6].minor.yy47->a[yymsp[-6].minor.yy47->nSrc-1]; - struct SrcList_item *pOld = yymsp[-4].minor.yy47->a; + if( yymsp[-5].minor.yy131==0 && yymsp[-1].minor.yy0.n==0 && yymsp[0].minor.yy561.pOn==0 && yymsp[0].minor.yy561.pUsing==0 ){ + yymsp[-5].minor.yy131 = yymsp[-3].minor.yy131; + }else if( ALWAYS(yymsp[-3].minor.yy131!=0) && yymsp[-3].minor.yy131->nSrc==1 ){ + yymsp[-5].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-5].minor.yy131,0,0,&yymsp[-1].minor.yy0,0,&yymsp[0].minor.yy561); + if( yymsp[-5].minor.yy131 ){ + SrcItem *pNew = &yymsp[-5].minor.yy131->a[yymsp[-5].minor.yy131->nSrc-1]; + SrcItem *pOld = yymsp[-3].minor.yy131->a; pNew->zName = pOld->zName; pNew->zDatabase = pOld->zDatabase; pNew->pSelect = pOld->pSelect; + if( pNew->pSelect && (pNew->pSelect->selFlags & SF_NestedFrom)!=0 ){ + pNew->fg.isNestedFrom = 1; + } if( pOld->fg.isTabFunc ){ pNew->u1.pFuncArg = pOld->u1.pFuncArg; pOld->u1.pFuncArg = 0; @@ -158010,250 +173288,276 @@ static YYACTIONTYPE yy_reduce( pOld->zName = pOld->zDatabase = 0; pOld->pSelect = 0; } - sqlite3SrcListDelete(pParse->db, yymsp[-4].minor.yy47); + sqlite3SrcListDelete(pParse->db, yymsp[-3].minor.yy131); }else{ Select *pSubquery; - sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy47); - pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy47,0,0,0,0,SF_NestedFrom,0); - yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); + sqlite3SrcListShiftJoinType(pParse,yymsp[-3].minor.yy131); + pSubquery = sqlite3SelectNew(pParse,0,yymsp[-3].minor.yy131,0,0,0,0,SF_NestedFrom,0); + yymsp[-5].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-5].minor.yy131,0,0,&yymsp[-1].minor.yy0,pSubquery,&yymsp[0].minor.yy561); } } break; - case 111: /* dbnm ::= */ - case 125: /* indexed_opt ::= */ yytestcase(yyruleno==125); + case 114: /* dbnm ::= */ + case 129: /* indexed_opt ::= */ yytestcase(yyruleno==129); {yymsp[1].minor.yy0.z=0; yymsp[1].minor.yy0.n=0;} break; - case 113: /* fullname ::= nm */ + case 116: /* fullname ::= nm */ { - yylhsminor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); - if( IN_RENAME_OBJECT && yylhsminor.yy47 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy47->a[0].zName, &yymsp[0].minor.yy0); + yylhsminor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); + if( IN_RENAME_OBJECT && yylhsminor.yy131 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy131->a[0].zName, &yymsp[0].minor.yy0); } - yymsp[0].minor.yy47 = yylhsminor.yy47; + yymsp[0].minor.yy131 = yylhsminor.yy131; break; - case 114: /* fullname ::= nm DOT nm */ + case 117: /* fullname ::= nm DOT nm */ { - yylhsminor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); - if( IN_RENAME_OBJECT && yylhsminor.yy47 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy47->a[0].zName, &yymsp[0].minor.yy0); + yylhsminor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); + if( IN_RENAME_OBJECT && yylhsminor.yy131 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy131->a[0].zName, &yymsp[0].minor.yy0); } - yymsp[-2].minor.yy47 = yylhsminor.yy47; + yymsp[-2].minor.yy131 = yylhsminor.yy131; break; - case 115: /* xfullname ::= nm */ -{yymsp[0].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/} + case 118: /* xfullname ::= nm */ +{yymsp[0].minor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/} break; - case 116: /* xfullname ::= nm DOT nm */ -{yymsp[-2].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 119: /* xfullname ::= nm DOT nm */ +{yymsp[-2].minor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 117: /* xfullname ::= nm DOT nm AS nm */ + case 120: /* xfullname ::= nm DOT nm AS nm */ { - yymsp[-4].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/ - if( yymsp[-4].minor.yy47 ) yymsp[-4].minor.yy47->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); + yymsp[-4].minor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/ + if( yymsp[-4].minor.yy131 ) yymsp[-4].minor.yy131->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); } break; - case 118: /* xfullname ::= nm AS nm */ + case 121: /* xfullname ::= nm AS nm */ { - yymsp[-2].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/ - if( yymsp[-2].minor.yy47 ) yymsp[-2].minor.yy47->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); + yymsp[-2].minor.yy131 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/ + if( yymsp[-2].minor.yy131 ) yymsp[-2].minor.yy131->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); } break; - case 119: /* joinop ::= COMMA|JOIN */ -{ yymsp[0].minor.yy192 = JT_INNER; } + case 122: /* joinop ::= COMMA|JOIN */ +{ yymsp[0].minor.yy394 = JT_INNER; } + break; + case 123: /* joinop ::= JOIN_KW JOIN */ +{yymsp[-1].minor.yy394 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); /*X-overwrites-A*/} break; - case 120: /* joinop ::= JOIN_KW JOIN */ -{yymsp[-1].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); /*X-overwrites-A*/} + case 124: /* joinop ::= JOIN_KW nm JOIN */ +{yymsp[-2].minor.yy394 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/} break; - case 121: /* joinop ::= JOIN_KW nm JOIN */ -{yymsp[-2].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/} + case 125: /* joinop ::= JOIN_KW nm nm JOIN */ +{yymsp[-3].minor.yy394 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/} break; - case 122: /* joinop ::= JOIN_KW nm nm JOIN */ -{yymsp[-3].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/} + case 126: /* on_using ::= ON expr */ +{yymsp[-1].minor.yy561.pOn = yymsp[0].minor.yy528; yymsp[-1].minor.yy561.pUsing = 0;} break; - case 123: /* on_opt ::= ON expr */ - case 143: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==143); - case 150: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==150); - case 216: /* case_else ::= ELSE expr */ yytestcase(yyruleno==216); - case 237: /* vinto ::= INTO expr */ yytestcase(yyruleno==237); -{yymsp[-1].minor.yy202 = yymsp[0].minor.yy202;} + case 127: /* on_using ::= USING LP idlist RP */ +{yymsp[-3].minor.yy561.pOn = 0; yymsp[-3].minor.yy561.pUsing = yymsp[-1].minor.yy254;} break; - case 124: /* on_opt ::= */ - case 142: /* having_opt ::= */ yytestcase(yyruleno==142); - case 144: /* limit_opt ::= */ yytestcase(yyruleno==144); - case 149: /* where_opt ::= */ yytestcase(yyruleno==149); - case 217: /* case_else ::= */ yytestcase(yyruleno==217); - case 219: /* case_operand ::= */ yytestcase(yyruleno==219); - case 238: /* vinto ::= */ yytestcase(yyruleno==238); -{yymsp[1].minor.yy202 = 0;} + case 128: /* on_using ::= */ +{yymsp[1].minor.yy561.pOn = 0; yymsp[1].minor.yy561.pUsing = 0;} break; - case 126: /* indexed_opt ::= INDEXED BY nm */ + case 130: /* indexed_by ::= INDEXED BY nm */ {yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;} break; - case 127: /* indexed_opt ::= NOT INDEXED */ + case 131: /* indexed_by ::= NOT INDEXED */ {yymsp[-1].minor.yy0.z=0; yymsp[-1].minor.yy0.n=1;} break; - case 128: /* using_opt ::= USING LP idlist RP */ -{yymsp[-3].minor.yy600 = yymsp[-1].minor.yy600;} - break; - case 129: /* using_opt ::= */ - case 164: /* idlist_opt ::= */ yytestcase(yyruleno==164); -{yymsp[1].minor.yy600 = 0;} - break; - case 131: /* orderby_opt ::= ORDER BY sortlist */ - case 141: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==141); -{yymsp[-2].minor.yy242 = yymsp[0].minor.yy242;} + case 133: /* orderby_opt ::= ORDER BY sortlist */ + case 143: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==143); +{yymsp[-2].minor.yy322 = yymsp[0].minor.yy322;} break; - case 132: /* sortlist ::= sortlist COMMA expr sortorder nulls */ + case 134: /* sortlist ::= sortlist COMMA expr sortorder nulls */ { - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242,yymsp[-2].minor.yy202); - sqlite3ExprListSetSortOrder(yymsp[-4].minor.yy242,yymsp[-1].minor.yy192,yymsp[0].minor.yy192); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322,yymsp[-2].minor.yy528); + sqlite3ExprListSetSortOrder(yymsp[-4].minor.yy322,yymsp[-1].minor.yy394,yymsp[0].minor.yy394); } break; - case 133: /* sortlist ::= expr sortorder nulls */ + case 135: /* sortlist ::= expr sortorder nulls */ { - yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse,0,yymsp[-2].minor.yy202); /*A-overwrites-Y*/ - sqlite3ExprListSetSortOrder(yymsp[-2].minor.yy242,yymsp[-1].minor.yy192,yymsp[0].minor.yy192); + yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse,0,yymsp[-2].minor.yy528); /*A-overwrites-Y*/ + sqlite3ExprListSetSortOrder(yymsp[-2].minor.yy322,yymsp[-1].minor.yy394,yymsp[0].minor.yy394); } break; - case 134: /* sortorder ::= ASC */ -{yymsp[0].minor.yy192 = SQLITE_SO_ASC;} + case 136: /* sortorder ::= ASC */ +{yymsp[0].minor.yy394 = SQLITE_SO_ASC;} break; - case 135: /* sortorder ::= DESC */ -{yymsp[0].minor.yy192 = SQLITE_SO_DESC;} + case 137: /* sortorder ::= DESC */ +{yymsp[0].minor.yy394 = SQLITE_SO_DESC;} break; - case 136: /* sortorder ::= */ - case 139: /* nulls ::= */ yytestcase(yyruleno==139); -{yymsp[1].minor.yy192 = SQLITE_SO_UNDEFINED;} + case 138: /* sortorder ::= */ + case 141: /* nulls ::= */ yytestcase(yyruleno==141); +{yymsp[1].minor.yy394 = SQLITE_SO_UNDEFINED;} break; - case 137: /* nulls ::= NULLS FIRST */ -{yymsp[-1].minor.yy192 = SQLITE_SO_ASC;} + case 139: /* nulls ::= NULLS FIRST */ +{yymsp[-1].minor.yy394 = SQLITE_SO_ASC;} break; - case 138: /* nulls ::= NULLS LAST */ -{yymsp[-1].minor.yy192 = SQLITE_SO_DESC;} + case 140: /* nulls ::= NULLS LAST */ +{yymsp[-1].minor.yy394 = SQLITE_SO_DESC;} break; - case 145: /* limit_opt ::= LIMIT expr */ -{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy202,0);} + case 144: /* having_opt ::= */ + case 146: /* limit_opt ::= */ yytestcase(yyruleno==146); + case 151: /* where_opt ::= */ yytestcase(yyruleno==151); + case 153: /* where_opt_ret ::= */ yytestcase(yyruleno==153); + case 228: /* case_else ::= */ yytestcase(yyruleno==228); + case 229: /* case_operand ::= */ yytestcase(yyruleno==229); + case 248: /* vinto ::= */ yytestcase(yyruleno==248); +{yymsp[1].minor.yy528 = 0;} break; - case 146: /* limit_opt ::= LIMIT expr OFFSET expr */ -{yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} + case 145: /* having_opt ::= HAVING expr */ + case 152: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==152); + case 154: /* where_opt_ret ::= WHERE expr */ yytestcase(yyruleno==154); + case 227: /* case_else ::= ELSE expr */ yytestcase(yyruleno==227); + case 247: /* vinto ::= INTO expr */ yytestcase(yyruleno==247); +{yymsp[-1].minor.yy528 = yymsp[0].minor.yy528;} break; - case 147: /* limit_opt ::= LIMIT expr COMMA expr */ -{yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy202,yymsp[-2].minor.yy202);} + case 147: /* limit_opt ::= LIMIT expr */ +{yymsp[-1].minor.yy528 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy528,0);} break; - case 148: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ + case 148: /* limit_opt ::= LIMIT expr OFFSET expr */ +{yymsp[-3].minor.yy528 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy528,yymsp[0].minor.yy528);} + break; + case 149: /* limit_opt ::= LIMIT expr COMMA expr */ +{yymsp[-3].minor.yy528 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy528,yymsp[-2].minor.yy528);} + break; + case 150: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt_ret */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy47, &yymsp[-1].minor.yy0); - sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy47,yymsp[0].minor.yy202,0,0); + sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy131, &yymsp[-1].minor.yy0); + sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy131,yymsp[0].minor.yy528,0,0); } break; - case 151: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ + case 155: /* where_opt_ret ::= RETURNING selcollist */ +{sqlite3AddReturning(pParse,yymsp[0].minor.yy322); yymsp[-1].minor.yy528 = 0;} + break; + case 156: /* where_opt_ret ::= WHERE expr RETURNING selcollist */ +{sqlite3AddReturning(pParse,yymsp[0].minor.yy322); yymsp[-3].minor.yy528 = yymsp[-2].minor.yy528;} + break; + case 157: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt_ret */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-5].minor.yy47, &yymsp[-4].minor.yy0); - sqlite3ExprListCheckLength(pParse,yymsp[-2].minor.yy242,"set list"); - yymsp[-5].minor.yy47 = sqlite3SrcListAppendList(pParse, yymsp[-5].minor.yy47, yymsp[-1].minor.yy47); - sqlite3Update(pParse,yymsp[-5].minor.yy47,yymsp[-2].minor.yy242,yymsp[0].minor.yy202,yymsp[-6].minor.yy192,0,0,0); + sqlite3SrcListIndexedBy(pParse, yymsp[-5].minor.yy131, &yymsp[-4].minor.yy0); + sqlite3ExprListCheckLength(pParse,yymsp[-2].minor.yy322,"set list"); + if( yymsp[-1].minor.yy131 ){ + SrcList *pFromClause = yymsp[-1].minor.yy131; + if( pFromClause->nSrc>1 ){ + Select *pSubquery; + Token as; + pSubquery = sqlite3SelectNew(pParse,0,pFromClause,0,0,0,0,SF_NestedFrom,0); + as.n = 0; + as.z = 0; + pFromClause = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&as,pSubquery,0); + } + yymsp[-5].minor.yy131 = sqlite3SrcListAppendList(pParse, yymsp[-5].minor.yy131, pFromClause); + } + sqlite3Update(pParse,yymsp[-5].minor.yy131,yymsp[-2].minor.yy322,yymsp[0].minor.yy528,yymsp[-6].minor.yy394,0,0,0); } break; - case 152: /* setlist ::= setlist COMMA nm EQ expr */ + case 158: /* setlist ::= setlist COMMA nm EQ expr */ { - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy242, yymsp[0].minor.yy202); - sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy242, &yymsp[-2].minor.yy0, 1); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy322, yymsp[0].minor.yy528); + sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy322, &yymsp[-2].minor.yy0, 1); } break; - case 153: /* setlist ::= setlist COMMA LP idlist RP EQ expr */ + case 159: /* setlist ::= setlist COMMA LP idlist RP EQ expr */ { - yymsp[-6].minor.yy242 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy242, yymsp[-3].minor.yy600, yymsp[0].minor.yy202); + yymsp[-6].minor.yy322 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy322, yymsp[-3].minor.yy254, yymsp[0].minor.yy528); } break; - case 154: /* setlist ::= nm EQ expr */ + case 160: /* setlist ::= nm EQ expr */ { - yylhsminor.yy242 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy202); - sqlite3ExprListSetName(pParse, yylhsminor.yy242, &yymsp[-2].minor.yy0, 1); + yylhsminor.yy322 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy528); + sqlite3ExprListSetName(pParse, yylhsminor.yy322, &yymsp[-2].minor.yy0, 1); } - yymsp[-2].minor.yy242 = yylhsminor.yy242; + yymsp[-2].minor.yy322 = yylhsminor.yy322; break; - case 155: /* setlist ::= LP idlist RP EQ expr */ + case 161: /* setlist ::= LP idlist RP EQ expr */ { - yymsp[-4].minor.yy242 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy600, yymsp[0].minor.yy202); + yymsp[-4].minor.yy322 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy254, yymsp[0].minor.yy528); } break; - case 156: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + case 162: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ { - sqlite3Insert(pParse, yymsp[-3].minor.yy47, yymsp[-1].minor.yy539, yymsp[-2].minor.yy600, yymsp[-5].minor.yy192, yymsp[0].minor.yy318); + sqlite3Insert(pParse, yymsp[-3].minor.yy131, yymsp[-1].minor.yy47, yymsp[-2].minor.yy254, yymsp[-5].minor.yy394, yymsp[0].minor.yy444); } break; - case 157: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ + case 163: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES returning */ { - sqlite3Insert(pParse, yymsp[-3].minor.yy47, 0, yymsp[-2].minor.yy600, yymsp[-5].minor.yy192, 0); + sqlite3Insert(pParse, yymsp[-4].minor.yy131, 0, yymsp[-3].minor.yy254, yymsp[-6].minor.yy394, 0); } break; - case 158: /* upsert ::= */ -{ yymsp[1].minor.yy318 = 0; } + case 164: /* upsert ::= */ +{ yymsp[1].minor.yy444 = 0; } + break; + case 165: /* upsert ::= RETURNING selcollist */ +{ yymsp[-1].minor.yy444 = 0; sqlite3AddReturning(pParse,yymsp[0].minor.yy322); } break; - case 159: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ -{ yymsp[-10].minor.yy318 = sqlite3UpsertNew(pParse->db,yymsp[-7].minor.yy242,yymsp[-5].minor.yy202,yymsp[-1].minor.yy242,yymsp[0].minor.yy202);} + case 166: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt upsert */ +{ yymsp[-11].minor.yy444 = sqlite3UpsertNew(pParse->db,yymsp[-8].minor.yy322,yymsp[-6].minor.yy528,yymsp[-2].minor.yy322,yymsp[-1].minor.yy528,yymsp[0].minor.yy444);} break; - case 160: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ -{ yymsp[-7].minor.yy318 = sqlite3UpsertNew(pParse->db,yymsp[-4].minor.yy242,yymsp[-2].minor.yy202,0,0); } + case 167: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING upsert */ +{ yymsp[-8].minor.yy444 = sqlite3UpsertNew(pParse->db,yymsp[-5].minor.yy322,yymsp[-3].minor.yy528,0,0,yymsp[0].minor.yy444); } break; - case 161: /* upsert ::= ON CONFLICT DO NOTHING */ -{ yymsp[-3].minor.yy318 = sqlite3UpsertNew(pParse->db,0,0,0,0); } + case 168: /* upsert ::= ON CONFLICT DO NOTHING returning */ +{ yymsp[-4].minor.yy444 = sqlite3UpsertNew(pParse->db,0,0,0,0,0); } break; - case 165: /* idlist_opt ::= LP idlist RP */ -{yymsp[-2].minor.yy600 = yymsp[-1].minor.yy600;} + case 169: /* upsert ::= ON CONFLICT DO UPDATE SET setlist where_opt returning */ +{ yymsp[-7].minor.yy444 = sqlite3UpsertNew(pParse->db,0,0,yymsp[-2].minor.yy322,yymsp[-1].minor.yy528,0);} break; - case 166: /* idlist ::= idlist COMMA nm */ -{yymsp[-2].minor.yy600 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy600,&yymsp[0].minor.yy0);} + case 170: /* returning ::= RETURNING selcollist */ +{sqlite3AddReturning(pParse,yymsp[0].minor.yy322);} break; - case 167: /* idlist ::= nm */ -{yymsp[0].minor.yy600 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/} + case 173: /* idlist_opt ::= */ +{yymsp[1].minor.yy254 = 0;} break; - case 168: /* expr ::= LP expr RP */ -{yymsp[-2].minor.yy202 = yymsp[-1].minor.yy202;} + case 174: /* idlist_opt ::= LP idlist RP */ +{yymsp[-2].minor.yy254 = yymsp[-1].minor.yy254;} break; - case 169: /* expr ::= ID|INDEXED */ - case 170: /* expr ::= JOIN_KW */ yytestcase(yyruleno==170); -{yymsp[0].minor.yy202=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 175: /* idlist ::= idlist COMMA nm */ +{yymsp[-2].minor.yy254 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy254,&yymsp[0].minor.yy0);} break; - case 171: /* expr ::= nm DOT nm */ + case 176: /* idlist ::= nm */ +{yymsp[0].minor.yy254 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/} + break; + case 177: /* expr ::= LP expr RP */ +{yymsp[-2].minor.yy528 = yymsp[-1].minor.yy528;} + break; + case 178: /* expr ::= ID|INDEXED|JOIN_KW */ +{yymsp[0].minor.yy528=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} + break; + case 179: /* expr ::= nm DOT nm */ { - Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); - Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1); - if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[0].minor.yy0); - sqlite3RenameTokenMap(pParse, (void*)temp1, &yymsp[-2].minor.yy0); - } - yylhsminor.yy202 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2); + Expr *temp1 = tokenExpr(pParse,TK_ID,yymsp[-2].minor.yy0); + Expr *temp2 = tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); + yylhsminor.yy528 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2); } - yymsp[-2].minor.yy202 = yylhsminor.yy202; + yymsp[-2].minor.yy528 = yylhsminor.yy528; break; - case 172: /* expr ::= nm DOT nm DOT nm */ + case 180: /* expr ::= nm DOT nm DOT nm */ { - Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-4].minor.yy0, 1); - Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); - Expr *temp3 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1); + Expr *temp1 = tokenExpr(pParse,TK_ID,yymsp[-4].minor.yy0); + Expr *temp2 = tokenExpr(pParse,TK_ID,yymsp[-2].minor.yy0); + Expr *temp3 = tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3); if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenMap(pParse, (void*)temp3, &yymsp[0].minor.yy0); - sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[-2].minor.yy0); + sqlite3RenameTokenRemap(pParse, 0, temp1); } - yylhsminor.yy202 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4); + yylhsminor.yy528 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4); } - yymsp[-4].minor.yy202 = yylhsminor.yy202; + yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 173: /* term ::= NULL|FLOAT|BLOB */ - case 174: /* term ::= STRING */ yytestcase(yyruleno==174); -{yymsp[0].minor.yy202=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 181: /* term ::= NULL|FLOAT|BLOB */ + case 182: /* term ::= STRING */ yytestcase(yyruleno==182); +{yymsp[0].minor.yy528=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 175: /* term ::= INTEGER */ + case 183: /* term ::= INTEGER */ { - yylhsminor.yy202 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); + yylhsminor.yy528 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); + if( yylhsminor.yy528 ) yylhsminor.yy528->w.iOfst = (int)(yymsp[0].minor.yy0.z - pParse->zTail); } - yymsp[0].minor.yy202 = yylhsminor.yy202; + yymsp[0].minor.yy528 = yylhsminor.yy528; break; - case 176: /* expr ::= VARIABLE */ + case 184: /* expr ::= VARIABLE */ { if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){ u32 n = yymsp[0].minor.yy0.n; - yymsp[0].minor.yy202 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0); - sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy202, n); + yymsp[0].minor.yy528 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0); + sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy528, n); }else{ /* When doing a nested parse, one can include terms in an expression ** that look like this: #1 #2 ... These terms refer to registers @@ -158262,159 +173566,179 @@ static YYACTIONTYPE yy_reduce( assert( t.n>=2 ); if( pParse->nested==0 ){ sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &t); - yymsp[0].minor.yy202 = 0; + yymsp[0].minor.yy528 = 0; }else{ - yymsp[0].minor.yy202 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0); - if( yymsp[0].minor.yy202 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy202->iTable); + yymsp[0].minor.yy528 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0); + if( yymsp[0].minor.yy528 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy528->iTable); } } } break; - case 177: /* expr ::= expr COLLATE ID|STRING */ + case 185: /* expr ::= expr COLLATE ID|STRING */ { - yymsp[-2].minor.yy202 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy202, &yymsp[0].minor.yy0, 1); + yymsp[-2].minor.yy528 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy528, &yymsp[0].minor.yy0, 1); } break; - case 178: /* expr ::= CAST LP expr AS typetoken RP */ + case 186: /* expr ::= CAST LP expr AS typetoken RP */ { - yymsp[-5].minor.yy202 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); - sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy202, yymsp[-3].minor.yy202, 0); + yymsp[-5].minor.yy528 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); + sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy528, yymsp[-3].minor.yy528, 0); } break; - case 179: /* expr ::= ID|INDEXED LP distinct exprlist RP */ + case 187: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ { - yylhsminor.yy202 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy242, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy192); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy322, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy394); } - yymsp[-4].minor.yy202 = yylhsminor.yy202; + yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 180: /* expr ::= ID|INDEXED LP STAR RP */ + case 188: /* expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ { - yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0); } - yymsp[-3].minor.yy202 = yylhsminor.yy202; + yymsp[-3].minor.yy528 = yylhsminor.yy528; break; - case 181: /* expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ + case 189: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ { - yylhsminor.yy202 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy242, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy192); - sqlite3WindowAttach(pParse, yylhsminor.yy202, yymsp[0].minor.yy303); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy322, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy394); + sqlite3WindowAttach(pParse, yylhsminor.yy528, yymsp[0].minor.yy41); } - yymsp[-5].minor.yy202 = yylhsminor.yy202; + yymsp[-5].minor.yy528 = yylhsminor.yy528; break; - case 182: /* expr ::= ID|INDEXED LP STAR RP filter_over */ + case 190: /* expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ { - yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0); - sqlite3WindowAttach(pParse, yylhsminor.yy202, yymsp[0].minor.yy303); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0); + sqlite3WindowAttach(pParse, yylhsminor.yy528, yymsp[0].minor.yy41); } - yymsp[-4].minor.yy202 = yylhsminor.yy202; + yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 183: /* term ::= CTIME_KW */ + case 191: /* term ::= CTIME_KW */ { - yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0); } - yymsp[0].minor.yy202 = yylhsminor.yy202; + yymsp[0].minor.yy528 = yylhsminor.yy528; break; - case 184: /* expr ::= LP nexprlist COMMA expr RP */ + case 192: /* expr ::= LP nexprlist COMMA expr RP */ { - ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy242, yymsp[-1].minor.yy202); - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); - if( yymsp[-4].minor.yy202 ){ - yymsp[-4].minor.yy202->x.pList = pList; + ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy322, yymsp[-1].minor.yy528); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); + if( yymsp[-4].minor.yy528 ){ + yymsp[-4].minor.yy528->x.pList = pList; if( ALWAYS(pList->nExpr) ){ - yymsp[-4].minor.yy202->flags |= pList->a[0].pExpr->flags & EP_Propagate; + yymsp[-4].minor.yy528->flags |= pList->a[0].pExpr->flags & EP_Propagate; } }else{ sqlite3ExprListDelete(pParse->db, pList); } } break; - case 185: /* expr ::= expr AND expr */ -{yymsp[-2].minor.yy202=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} + case 193: /* expr ::= expr AND expr */ +{yymsp[-2].minor.yy528=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy528,yymsp[0].minor.yy528);} break; - case 186: /* expr ::= expr OR expr */ - case 187: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==187); - case 188: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==188); - case 189: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==189); - case 190: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==190); - case 191: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==191); - case 192: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==192); -{yymsp[-2].minor.yy202=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} + case 194: /* expr ::= expr OR expr */ + case 195: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==195); + case 196: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==196); + case 197: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==197); + case 198: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==198); + case 199: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==199); + case 200: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==200); +{yymsp[-2].minor.yy528=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy528,yymsp[0].minor.yy528);} break; - case 193: /* likeop ::= NOT LIKE_KW|MATCH */ + case 201: /* likeop ::= NOT LIKE_KW|MATCH */ {yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/} break; - case 194: /* expr ::= expr likeop expr */ + case 202: /* expr ::= expr likeop expr */ { ExprList *pList; int bNot = yymsp[-1].minor.yy0.n & 0x80000000; yymsp[-1].minor.yy0.n &= 0x7fffffff; - pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy202); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy202); - yymsp[-2].minor.yy202 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0); - if( bNot ) yymsp[-2].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy202, 0); - if( yymsp[-2].minor.yy202 ) yymsp[-2].minor.yy202->flags |= EP_InfixFunc; + pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy528); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy528); + yymsp[-2].minor.yy528 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0); + if( bNot ) yymsp[-2].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy528, 0); + if( yymsp[-2].minor.yy528 ) yymsp[-2].minor.yy528->flags |= EP_InfixFunc; } break; - case 195: /* expr ::= expr likeop expr ESCAPE expr */ + case 203: /* expr ::= expr likeop expr ESCAPE expr */ { ExprList *pList; int bNot = yymsp[-3].minor.yy0.n & 0x80000000; yymsp[-3].minor.yy0.n &= 0x7fffffff; - pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy202); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy202); - yymsp[-4].minor.yy202 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0); - if( bNot ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); - if( yymsp[-4].minor.yy202 ) yymsp[-4].minor.yy202->flags |= EP_InfixFunc; + pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy528); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy528); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy528); + yymsp[-4].minor.yy528 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0); + if( bNot ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); + if( yymsp[-4].minor.yy528 ) yymsp[-4].minor.yy528->flags |= EP_InfixFunc; } break; - case 196: /* expr ::= expr ISNULL|NOTNULL */ -{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy202,0);} + case 204: /* expr ::= expr ISNULL|NOTNULL */ +{yymsp[-1].minor.yy528 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy528,0);} + break; + case 205: /* expr ::= expr NOT NULL */ +{yymsp[-2].minor.yy528 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy528,0);} + break; + case 206: /* expr ::= expr IS expr */ +{ + yymsp[-2].minor.yy528 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy528,yymsp[0].minor.yy528); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-2].minor.yy528, TK_ISNULL); +} break; - case 197: /* expr ::= expr NOT NULL */ -{yymsp[-2].minor.yy202 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy202,0);} + case 207: /* expr ::= expr IS NOT expr */ +{ + yymsp[-3].minor.yy528 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy528,yymsp[0].minor.yy528); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-3].minor.yy528, TK_NOTNULL); +} break; - case 198: /* expr ::= expr IS expr */ + case 208: /* expr ::= expr IS NOT DISTINCT FROM expr */ { - yymsp[-2].minor.yy202 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy202,yymsp[0].minor.yy202); - binaryToUnaryIfNull(pParse, yymsp[0].minor.yy202, yymsp[-2].minor.yy202, TK_ISNULL); + yymsp[-5].minor.yy528 = sqlite3PExpr(pParse,TK_IS,yymsp[-5].minor.yy528,yymsp[0].minor.yy528); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-5].minor.yy528, TK_ISNULL); } break; - case 199: /* expr ::= expr IS NOT expr */ + case 209: /* expr ::= expr IS DISTINCT FROM expr */ { - yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy202,yymsp[0].minor.yy202); - binaryToUnaryIfNull(pParse, yymsp[0].minor.yy202, yymsp[-3].minor.yy202, TK_NOTNULL); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-4].minor.yy528,yymsp[0].minor.yy528); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-4].minor.yy528, TK_NOTNULL); } break; - case 200: /* expr ::= NOT expr */ - case 201: /* expr ::= BITNOT expr */ yytestcase(yyruleno==201); -{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy202, 0);/*A-overwrites-B*/} + case 210: /* expr ::= NOT expr */ + case 211: /* expr ::= BITNOT expr */ yytestcase(yyruleno==211); +{yymsp[-1].minor.yy528 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy528, 0);/*A-overwrites-B*/} break; - case 202: /* expr ::= PLUS|MINUS expr */ + case 212: /* expr ::= PLUS|MINUS expr */ { - yymsp[-1].minor.yy202 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy202, 0); + yymsp[-1].minor.yy528 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy528, 0); /*A-overwrites-B*/ } break; - case 203: /* between_op ::= BETWEEN */ - case 206: /* in_op ::= IN */ yytestcase(yyruleno==206); -{yymsp[0].minor.yy192 = 0;} + case 213: /* expr ::= expr PTR expr */ +{ + ExprList *pList = sqlite3ExprListAppend(pParse, 0, yymsp[-2].minor.yy528); + pList = sqlite3ExprListAppend(pParse, pList, yymsp[0].minor.yy528); + yylhsminor.yy528 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0); +} + yymsp[-2].minor.yy528 = yylhsminor.yy528; + break; + case 214: /* between_op ::= BETWEEN */ + case 217: /* in_op ::= IN */ yytestcase(yyruleno==217); +{yymsp[0].minor.yy394 = 0;} break; - case 205: /* expr ::= expr between_op expr AND expr */ + case 216: /* expr ::= expr between_op expr AND expr */ { - ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy202); - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy202, 0); - if( yymsp[-4].minor.yy202 ){ - yymsp[-4].minor.yy202->x.pList = pList; + ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy528); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy528); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy528, 0); + if( yymsp[-4].minor.yy528 ){ + yymsp[-4].minor.yy528->x.pList = pList; }else{ sqlite3ExprListDelete(pParse->db, pList); } - if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 208: /* expr ::= expr in_op LP exprlist RP */ + case 219: /* expr ::= expr in_op LP exprlist RP */ { - if( yymsp[-1].minor.yy242==0 ){ + if( yymsp[-1].minor.yy322==0 ){ /* Expressions of the form ** ** expr1 IN () @@ -158423,197 +173747,208 @@ static YYACTIONTYPE yy_reduce( ** simplify to constants 0 (false) and 1 (true), respectively, ** regardless of the value of expr1. */ - sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy202); - yymsp[-4].minor.yy202 = sqlite3Expr(pParse->db, TK_INTEGER, yymsp[-3].minor.yy192 ? "1" : "0"); - }else if( yymsp[-1].minor.yy242->nExpr==1 && sqlite3ExprIsConstant(yymsp[-1].minor.yy242->a[0].pExpr) ){ - Expr *pRHS = yymsp[-1].minor.yy242->a[0].pExpr; - yymsp[-1].minor.yy242->a[0].pExpr = 0; - sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy242); - pRHS = sqlite3PExpr(pParse, TK_UPLUS, pRHS, 0); - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_EQ, yymsp[-4].minor.yy202, pRHS); - if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); - }else{ - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); - if( yymsp[-4].minor.yy202 ){ - yymsp[-4].minor.yy202->x.pList = yymsp[-1].minor.yy242; - sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy202); + sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy528); + yymsp[-4].minor.yy528 = sqlite3Expr(pParse->db, TK_STRING, yymsp[-3].minor.yy394 ? "true" : "false"); + if( yymsp[-4].minor.yy528 ) sqlite3ExprIdToTrueFalse(yymsp[-4].minor.yy528); + }else{ + Expr *pRHS = yymsp[-1].minor.yy322->a[0].pExpr; + if( yymsp[-1].minor.yy322->nExpr==1 && sqlite3ExprIsConstant(pRHS) && yymsp[-4].minor.yy528->op!=TK_VECTOR ){ + yymsp[-1].minor.yy322->a[0].pExpr = 0; + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy322); + pRHS = sqlite3PExpr(pParse, TK_UPLUS, pRHS, 0); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_EQ, yymsp[-4].minor.yy528, pRHS); + }else if( yymsp[-1].minor.yy322->nExpr==1 && pRHS->op==TK_SELECT ){ + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, pRHS->x.pSelect); + pRHS->x.pSelect = 0; + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy322); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy242); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); + if( yymsp[-4].minor.yy528==0 ){ + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy322); + }else if( yymsp[-4].minor.yy528->pLeft->op==TK_VECTOR ){ + int nExpr = yymsp[-4].minor.yy528->pLeft->x.pList->nExpr; + Select *pSelectRHS = sqlite3ExprListToValues(pParse, nExpr, yymsp[-1].minor.yy322); + if( pSelectRHS ){ + parserDoubleLinkSelect(pParse, pSelectRHS); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, pSelectRHS); + } + }else{ + yymsp[-4].minor.yy528->x.pList = yymsp[-1].minor.yy322; + sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy528); + } } - if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } } break; - case 209: /* expr ::= LP select RP */ + case 220: /* expr ::= LP select RP */ { - yymsp[-2].minor.yy202 = sqlite3PExpr(pParse, TK_SELECT, 0, 0); - sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy202, yymsp[-1].minor.yy539); + yymsp[-2].minor.yy528 = sqlite3PExpr(pParse, TK_SELECT, 0, 0); + sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy528, yymsp[-1].minor.yy47); } break; - case 210: /* expr ::= expr in_op LP select RP */ + case 221: /* expr ::= expr in_op LP select RP */ { - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); - sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy202, yymsp[-1].minor.yy539); - if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, yymsp[-1].minor.yy47); + if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 211: /* expr ::= expr in_op nm dbnm paren_exprlist */ + case 222: /* expr ::= expr in_op nm dbnm paren_exprlist */ { SrcList *pSrc = sqlite3SrcListAppend(pParse, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0); - if( yymsp[0].minor.yy242 ) sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy242); - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); - sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy202, pSelect); - if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + if( yymsp[0].minor.yy322 ) sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy322); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, pSelect); + if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 212: /* expr ::= EXISTS LP select RP */ + case 223: /* expr ::= EXISTS LP select RP */ { Expr *p; - p = yymsp[-3].minor.yy202 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); - sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy539); + p = yymsp[-3].minor.yy528 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); + sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy47); } break; - case 213: /* expr ::= CASE case_operand case_exprlist case_else END */ + case 224: /* expr ::= CASE case_operand case_exprlist case_else END */ { - yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy202, 0); - if( yymsp[-4].minor.yy202 ){ - yymsp[-4].minor.yy202->x.pList = yymsp[-1].minor.yy202 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy242,yymsp[-1].minor.yy202) : yymsp[-2].minor.yy242; - sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy202); + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy528, 0); + if( yymsp[-4].minor.yy528 ){ + yymsp[-4].minor.yy528->x.pList = yymsp[-1].minor.yy528 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy322,yymsp[-1].minor.yy528) : yymsp[-2].minor.yy322; + sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy528); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy242); - sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy202); + sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy322); + sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy528); } } break; - case 214: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ + case 225: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ { - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, yymsp[-2].minor.yy202); - yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, yymsp[0].minor.yy202); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, yymsp[-2].minor.yy528); + yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, yymsp[0].minor.yy528); } break; - case 215: /* case_exprlist ::= WHEN expr THEN expr */ + case 226: /* case_exprlist ::= WHEN expr THEN expr */ { - yymsp[-3].minor.yy242 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); - yymsp[-3].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy242, yymsp[0].minor.yy202); + yymsp[-3].minor.yy322 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy528); + yymsp[-3].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy322, yymsp[0].minor.yy528); } break; - case 218: /* case_operand ::= expr */ -{yymsp[0].minor.yy202 = yymsp[0].minor.yy202; /*A-overwrites-X*/} - break; - case 221: /* nexprlist ::= nexprlist COMMA expr */ -{yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy242,yymsp[0].minor.yy202);} + case 231: /* nexprlist ::= nexprlist COMMA expr */ +{yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy322,yymsp[0].minor.yy528);} break; - case 222: /* nexprlist ::= expr */ -{yymsp[0].minor.yy242 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy202); /*A-overwrites-Y*/} + case 232: /* nexprlist ::= expr */ +{yymsp[0].minor.yy322 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy528); /*A-overwrites-Y*/} break; - case 224: /* paren_exprlist ::= LP exprlist RP */ - case 229: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==229); -{yymsp[-2].minor.yy242 = yymsp[-1].minor.yy242;} + case 234: /* paren_exprlist ::= LP exprlist RP */ + case 239: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==239); +{yymsp[-2].minor.yy322 = yymsp[-1].minor.yy322;} break; - case 225: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + case 235: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ { sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, - sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy242, yymsp[-10].minor.yy192, - &yymsp[-11].minor.yy0, yymsp[0].minor.yy202, SQLITE_SO_ASC, yymsp[-8].minor.yy192, SQLITE_IDXTYPE_APPDEF); + sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy322, yymsp[-10].minor.yy394, + &yymsp[-11].minor.yy0, yymsp[0].minor.yy528, SQLITE_SO_ASC, yymsp[-8].minor.yy394, SQLITE_IDXTYPE_APPDEF); if( IN_RENAME_OBJECT && pParse->pNewIndex ){ sqlite3RenameTokenMap(pParse, pParse->pNewIndex->zName, &yymsp[-4].minor.yy0); } } break; - case 226: /* uniqueflag ::= UNIQUE */ - case 268: /* raisetype ::= ABORT */ yytestcase(yyruleno==268); -{yymsp[0].minor.yy192 = OE_Abort;} + case 236: /* uniqueflag ::= UNIQUE */ + case 278: /* raisetype ::= ABORT */ yytestcase(yyruleno==278); +{yymsp[0].minor.yy394 = OE_Abort;} break; - case 227: /* uniqueflag ::= */ -{yymsp[1].minor.yy192 = OE_None;} + case 237: /* uniqueflag ::= */ +{yymsp[1].minor.yy394 = OE_None;} break; - case 230: /* eidlist ::= eidlist COMMA nm collate sortorder */ + case 240: /* eidlist ::= eidlist COMMA nm collate sortorder */ { - yymsp[-4].minor.yy242 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy242, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy192, yymsp[0].minor.yy192); + yymsp[-4].minor.yy322 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy322, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy394, yymsp[0].minor.yy394); } break; - case 231: /* eidlist ::= nm collate sortorder */ + case 241: /* eidlist ::= nm collate sortorder */ { - yymsp[-2].minor.yy242 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy192, yymsp[0].minor.yy192); /*A-overwrites-Y*/ + yymsp[-2].minor.yy322 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy394, yymsp[0].minor.yy394); /*A-overwrites-Y*/ } break; - case 234: /* cmd ::= DROP INDEX ifexists fullname */ -{sqlite3DropIndex(pParse, yymsp[0].minor.yy47, yymsp[-1].minor.yy192);} + case 244: /* cmd ::= DROP INDEX ifexists fullname */ +{sqlite3DropIndex(pParse, yymsp[0].minor.yy131, yymsp[-1].minor.yy394);} break; - case 235: /* cmd ::= VACUUM vinto */ -{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy202);} + case 245: /* cmd ::= VACUUM vinto */ +{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy528);} break; - case 236: /* cmd ::= VACUUM nm vinto */ -{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy202);} + case 246: /* cmd ::= VACUUM nm vinto */ +{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy528);} break; - case 239: /* cmd ::= PRAGMA nm dbnm */ + case 249: /* cmd ::= PRAGMA nm dbnm */ {sqlite3Pragma(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,0,0);} break; - case 240: /* cmd ::= PRAGMA nm dbnm EQ nmnum */ + case 250: /* cmd ::= PRAGMA nm dbnm EQ nmnum */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,0);} break; - case 241: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */ + case 251: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,0);} break; - case 242: /* cmd ::= PRAGMA nm dbnm EQ minus_num */ + case 252: /* cmd ::= PRAGMA nm dbnm EQ minus_num */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,1);} break; - case 243: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */ + case 253: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,1);} break; - case 246: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + case 256: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ { Token all; all.z = yymsp[-3].minor.yy0.z; all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n; - sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy447, &all); + sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy33, &all); } break; - case 247: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + case 257: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ { - sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy192, yymsp[-4].minor.yy230.a, yymsp[-4].minor.yy230.b, yymsp[-2].minor.yy47, yymsp[0].minor.yy202, yymsp[-10].minor.yy192, yymsp[-8].minor.yy192); + sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy394, yymsp[-4].minor.yy180.a, yymsp[-4].minor.yy180.b, yymsp[-2].minor.yy131, yymsp[0].minor.yy528, yymsp[-10].minor.yy394, yymsp[-8].minor.yy394); yymsp[-10].minor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); /*A-overwrites-T*/ } break; - case 248: /* trigger_time ::= BEFORE|AFTER */ -{ yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-X*/ } + case 258: /* trigger_time ::= BEFORE|AFTER */ +{ yymsp[0].minor.yy394 = yymsp[0].major; /*A-overwrites-X*/ } break; - case 249: /* trigger_time ::= INSTEAD OF */ -{ yymsp[-1].minor.yy192 = TK_INSTEAD;} + case 259: /* trigger_time ::= INSTEAD OF */ +{ yymsp[-1].minor.yy394 = TK_INSTEAD;} break; - case 250: /* trigger_time ::= */ -{ yymsp[1].minor.yy192 = TK_BEFORE; } + case 260: /* trigger_time ::= */ +{ yymsp[1].minor.yy394 = TK_BEFORE; } break; - case 251: /* trigger_event ::= DELETE|INSERT */ - case 252: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==252); -{yymsp[0].minor.yy230.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy230.b = 0;} + case 261: /* trigger_event ::= DELETE|INSERT */ + case 262: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==262); +{yymsp[0].minor.yy180.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy180.b = 0;} break; - case 253: /* trigger_event ::= UPDATE OF idlist */ -{yymsp[-2].minor.yy230.a = TK_UPDATE; yymsp[-2].minor.yy230.b = yymsp[0].minor.yy600;} + case 263: /* trigger_event ::= UPDATE OF idlist */ +{yymsp[-2].minor.yy180.a = TK_UPDATE; yymsp[-2].minor.yy180.b = yymsp[0].minor.yy254;} break; - case 254: /* when_clause ::= */ - case 273: /* key_opt ::= */ yytestcase(yyruleno==273); -{ yymsp[1].minor.yy202 = 0; } + case 264: /* when_clause ::= */ + case 283: /* key_opt ::= */ yytestcase(yyruleno==283); +{ yymsp[1].minor.yy528 = 0; } break; - case 255: /* when_clause ::= WHEN expr */ - case 274: /* key_opt ::= KEY expr */ yytestcase(yyruleno==274); -{ yymsp[-1].minor.yy202 = yymsp[0].minor.yy202; } + case 265: /* when_clause ::= WHEN expr */ + case 284: /* key_opt ::= KEY expr */ yytestcase(yyruleno==284); +{ yymsp[-1].minor.yy528 = yymsp[0].minor.yy528; } break; - case 256: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + case 266: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ { - assert( yymsp[-2].minor.yy447!=0 ); - yymsp[-2].minor.yy447->pLast->pNext = yymsp[-1].minor.yy447; - yymsp[-2].minor.yy447->pLast = yymsp[-1].minor.yy447; + assert( yymsp[-2].minor.yy33!=0 ); + yymsp[-2].minor.yy33->pLast->pNext = yymsp[-1].minor.yy33; + yymsp[-2].minor.yy33->pLast = yymsp[-1].minor.yy33; } break; - case 257: /* trigger_cmd_list ::= trigger_cmd SEMI */ + case 267: /* trigger_cmd_list ::= trigger_cmd SEMI */ { - assert( yymsp[-1].minor.yy447!=0 ); - yymsp[-1].minor.yy447->pLast = yymsp[-1].minor.yy447; + assert( yymsp[-1].minor.yy33!=0 ); + yymsp[-1].minor.yy33->pLast = yymsp[-1].minor.yy33; } break; - case 258: /* trnm ::= nm DOT nm */ + case 268: /* trnm ::= nm DOT nm */ { yymsp[-2].minor.yy0 = yymsp[0].minor.yy0; sqlite3ErrorMsg(pParse, @@ -158621,344 +173956,367 @@ static YYACTIONTYPE yy_reduce( "statements within triggers"); } break; - case 259: /* tridxby ::= INDEXED BY nm */ + case 269: /* tridxby ::= INDEXED BY nm */ { sqlite3ErrorMsg(pParse, "the INDEXED BY clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; - case 260: /* tridxby ::= NOT INDEXED */ + case 270: /* tridxby ::= NOT INDEXED */ { sqlite3ErrorMsg(pParse, "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; - case 261: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ -{yylhsminor.yy447 = sqlite3TriggerUpdateStep(pParse, &yymsp[-6].minor.yy0, yymsp[-2].minor.yy47, yymsp[-3].minor.yy242, yymsp[-1].minor.yy202, yymsp[-7].minor.yy192, yymsp[-8].minor.yy0.z, yymsp[0].minor.yy436);} - yymsp[-8].minor.yy447 = yylhsminor.yy447; + case 271: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ +{yylhsminor.yy33 = sqlite3TriggerUpdateStep(pParse, &yymsp[-6].minor.yy0, yymsp[-2].minor.yy131, yymsp[-3].minor.yy322, yymsp[-1].minor.yy528, yymsp[-7].minor.yy394, yymsp[-8].minor.yy0.z, yymsp[0].minor.yy522);} + yymsp[-8].minor.yy33 = yylhsminor.yy33; break; - case 262: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + case 272: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ { - yylhsminor.yy447 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy600,yymsp[-2].minor.yy539,yymsp[-6].minor.yy192,yymsp[-1].minor.yy318,yymsp[-7].minor.yy436,yymsp[0].minor.yy436);/*yylhsminor.yy447-overwrites-yymsp[-6].minor.yy192*/ + yylhsminor.yy33 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy254,yymsp[-2].minor.yy47,yymsp[-6].minor.yy394,yymsp[-1].minor.yy444,yymsp[-7].minor.yy522,yymsp[0].minor.yy522);/*yylhsminor.yy33-overwrites-yymsp[-6].minor.yy394*/ } - yymsp[-7].minor.yy447 = yylhsminor.yy447; + yymsp[-7].minor.yy33 = yylhsminor.yy33; break; - case 263: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ -{yylhsminor.yy447 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy202, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy436);} - yymsp[-5].minor.yy447 = yylhsminor.yy447; + case 273: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ +{yylhsminor.yy33 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy528, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy522);} + yymsp[-5].minor.yy33 = yylhsminor.yy33; break; - case 264: /* trigger_cmd ::= scanpt select scanpt */ -{yylhsminor.yy447 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy539, yymsp[-2].minor.yy436, yymsp[0].minor.yy436); /*yylhsminor.yy447-overwrites-yymsp[-1].minor.yy539*/} - yymsp[-2].minor.yy447 = yylhsminor.yy447; + case 274: /* trigger_cmd ::= scanpt select scanpt */ +{yylhsminor.yy33 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy47, yymsp[-2].minor.yy522, yymsp[0].minor.yy522); /*yylhsminor.yy33-overwrites-yymsp[-1].minor.yy47*/} + yymsp[-2].minor.yy33 = yylhsminor.yy33; break; - case 265: /* expr ::= RAISE LP IGNORE RP */ + case 275: /* expr ::= RAISE LP IGNORE RP */ { - yymsp[-3].minor.yy202 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); - if( yymsp[-3].minor.yy202 ){ - yymsp[-3].minor.yy202->affExpr = OE_Ignore; + yymsp[-3].minor.yy528 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); + if( yymsp[-3].minor.yy528 ){ + yymsp[-3].minor.yy528->affExpr = OE_Ignore; } } break; - case 266: /* expr ::= RAISE LP raisetype COMMA nm RP */ + case 276: /* expr ::= RAISE LP raisetype COMMA nm RP */ { - yymsp[-5].minor.yy202 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); - if( yymsp[-5].minor.yy202 ) { - yymsp[-5].minor.yy202->affExpr = (char)yymsp[-3].minor.yy192; + yymsp[-5].minor.yy528 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); + if( yymsp[-5].minor.yy528 ) { + yymsp[-5].minor.yy528->affExpr = (char)yymsp[-3].minor.yy394; } } break; - case 267: /* raisetype ::= ROLLBACK */ -{yymsp[0].minor.yy192 = OE_Rollback;} + case 277: /* raisetype ::= ROLLBACK */ +{yymsp[0].minor.yy394 = OE_Rollback;} break; - case 269: /* raisetype ::= FAIL */ -{yymsp[0].minor.yy192 = OE_Fail;} + case 279: /* raisetype ::= FAIL */ +{yymsp[0].minor.yy394 = OE_Fail;} break; - case 270: /* cmd ::= DROP TRIGGER ifexists fullname */ + case 280: /* cmd ::= DROP TRIGGER ifexists fullname */ { - sqlite3DropTrigger(pParse,yymsp[0].minor.yy47,yymsp[-1].minor.yy192); + sqlite3DropTrigger(pParse,yymsp[0].minor.yy131,yymsp[-1].minor.yy394); } break; - case 271: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + case 281: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ { - sqlite3Attach(pParse, yymsp[-3].minor.yy202, yymsp[-1].minor.yy202, yymsp[0].minor.yy202); + sqlite3Attach(pParse, yymsp[-3].minor.yy528, yymsp[-1].minor.yy528, yymsp[0].minor.yy528); } break; - case 272: /* cmd ::= DETACH database_kw_opt expr */ + case 282: /* cmd ::= DETACH database_kw_opt expr */ { - sqlite3Detach(pParse, yymsp[0].minor.yy202); + sqlite3Detach(pParse, yymsp[0].minor.yy528); } break; - case 275: /* cmd ::= REINDEX */ + case 285: /* cmd ::= REINDEX */ {sqlite3Reindex(pParse, 0, 0);} break; - case 276: /* cmd ::= REINDEX nm dbnm */ + case 286: /* cmd ::= REINDEX nm dbnm */ {sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 277: /* cmd ::= ANALYZE */ + case 287: /* cmd ::= ANALYZE */ {sqlite3Analyze(pParse, 0, 0);} break; - case 278: /* cmd ::= ANALYZE nm dbnm */ + case 288: /* cmd ::= ANALYZE nm dbnm */ {sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 279: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ + case 289: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ { - sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy47,&yymsp[0].minor.yy0); + sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy131,&yymsp[0].minor.yy0); } break; - case 280: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + case 290: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ { yymsp[-1].minor.yy0.n = (int)(pParse->sLastToken.z-yymsp[-1].minor.yy0.z) + pParse->sLastToken.n; sqlite3AlterFinishAddColumn(pParse, &yymsp[-1].minor.yy0); } break; - case 281: /* add_column_fullname ::= fullname */ + case 291: /* cmd ::= ALTER TABLE fullname DROP kwcolumn_opt nm */ +{ + sqlite3AlterDropColumn(pParse, yymsp[-3].minor.yy131, &yymsp[0].minor.yy0); +} + break; + case 292: /* add_column_fullname ::= fullname */ { disableLookaside(pParse); - sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy47); + sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy131); } break; - case 282: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + case 293: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ { - sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy47, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); + sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy131, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); } break; - case 283: /* cmd ::= create_vtab */ + case 294: /* cmd ::= create_vtab */ {sqlite3VtabFinishParse(pParse,0);} break; - case 284: /* cmd ::= create_vtab LP vtabarglist RP */ + case 295: /* cmd ::= create_vtab LP vtabarglist RP */ {sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);} break; - case 285: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + case 296: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ { - sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy192); + sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy394); } break; - case 286: /* vtabarg ::= */ + case 297: /* vtabarg ::= */ {sqlite3VtabArgInit(pParse);} break; - case 287: /* vtabargtoken ::= ANY */ - case 288: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==288); - case 289: /* lp ::= LP */ yytestcase(yyruleno==289); + case 298: /* vtabargtoken ::= ANY */ + case 299: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==299); + case 300: /* lp ::= LP */ yytestcase(yyruleno==300); {sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);} break; - case 290: /* with ::= WITH wqlist */ - case 291: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==291); -{ sqlite3WithPush(pParse, yymsp[0].minor.yy131, 1); } + case 301: /* with ::= WITH wqlist */ + case 302: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==302); +{ sqlite3WithPush(pParse, yymsp[0].minor.yy521, 1); } + break; + case 303: /* wqas ::= AS */ +{yymsp[0].minor.yy516 = M10d_Any;} + break; + case 304: /* wqas ::= AS MATERIALIZED */ +{yymsp[-1].minor.yy516 = M10d_Yes;} + break; + case 305: /* wqas ::= AS NOT MATERIALIZED */ +{yymsp[-2].minor.yy516 = M10d_No;} break; - case 292: /* wqlist ::= nm eidlist_opt AS LP select RP */ + case 306: /* wqitem ::= nm eidlist_opt wqas LP select RP */ { - yymsp[-5].minor.yy131 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy242, yymsp[-1].minor.yy539); /*A-overwrites-X*/ + yymsp[-5].minor.yy385 = sqlite3CteNew(pParse, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy322, yymsp[-1].minor.yy47, yymsp[-3].minor.yy516); /*A-overwrites-X*/ } break; - case 293: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ + case 307: /* wqlist ::= wqitem */ { - yymsp[-7].minor.yy131 = sqlite3WithAdd(pParse, yymsp[-7].minor.yy131, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy242, yymsp[-1].minor.yy539); + yymsp[0].minor.yy521 = sqlite3WithAdd(pParse, 0, yymsp[0].minor.yy385); /*A-overwrites-X*/ } break; - case 294: /* windowdefn_list ::= windowdefn */ -{ yylhsminor.yy303 = yymsp[0].minor.yy303; } - yymsp[0].minor.yy303 = yylhsminor.yy303; - break; - case 295: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ + case 308: /* wqlist ::= wqlist COMMA wqitem */ { - assert( yymsp[0].minor.yy303!=0 ); - sqlite3WindowChain(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy303); - yymsp[0].minor.yy303->pNextWin = yymsp[-2].minor.yy303; - yylhsminor.yy303 = yymsp[0].minor.yy303; + yymsp[-2].minor.yy521 = sqlite3WithAdd(pParse, yymsp[-2].minor.yy521, yymsp[0].minor.yy385); } - yymsp[-2].minor.yy303 = yylhsminor.yy303; break; - case 296: /* windowdefn ::= nm AS LP window RP */ + case 309: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ { - if( ALWAYS(yymsp[-1].minor.yy303) ){ - yymsp[-1].minor.yy303->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); - } - yylhsminor.yy303 = yymsp[-1].minor.yy303; + assert( yymsp[0].minor.yy41!=0 ); + sqlite3WindowChain(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy41); + yymsp[0].minor.yy41->pNextWin = yymsp[-2].minor.yy41; + yylhsminor.yy41 = yymsp[0].minor.yy41; } - yymsp[-4].minor.yy303 = yylhsminor.yy303; + yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 297: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + case 310: /* windowdefn ::= nm AS LP window RP */ { - yymsp[-4].minor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy242, yymsp[-1].minor.yy242, 0); + if( ALWAYS(yymsp[-1].minor.yy41) ){ + yymsp[-1].minor.yy41->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); + } + yylhsminor.yy41 = yymsp[-1].minor.yy41; } + yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 298: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + case 311: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ { - yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy242, yymsp[-1].minor.yy242, &yymsp[-5].minor.yy0); + yymsp[-4].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, 0); } - yymsp[-5].minor.yy303 = yylhsminor.yy303; break; - case 299: /* window ::= ORDER BY sortlist frame_opt */ + case 312: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ { - yymsp[-3].minor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, yymsp[-1].minor.yy242, 0); + yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, &yymsp[-5].minor.yy0); } + yymsp[-5].minor.yy41 = yylhsminor.yy41; break; - case 300: /* window ::= nm ORDER BY sortlist frame_opt */ + case 313: /* window ::= ORDER BY sortlist frame_opt */ { - yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, yymsp[-1].minor.yy242, &yymsp[-4].minor.yy0); + yymsp[-3].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, 0); } - yymsp[-4].minor.yy303 = yylhsminor.yy303; break; - case 301: /* window ::= frame_opt */ - case 320: /* filter_over ::= over_clause */ yytestcase(yyruleno==320); + case 314: /* window ::= nm ORDER BY sortlist frame_opt */ { - yylhsminor.yy303 = yymsp[0].minor.yy303; + yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, &yymsp[-4].minor.yy0); } - yymsp[0].minor.yy303 = yylhsminor.yy303; + yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 302: /* window ::= nm frame_opt */ + case 315: /* window ::= nm frame_opt */ { - yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, 0, &yymsp[-1].minor.yy0); + yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, 0, &yymsp[-1].minor.yy0); } - yymsp[-1].minor.yy303 = yylhsminor.yy303; + yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 303: /* frame_opt ::= */ + case 316: /* frame_opt ::= */ { - yymsp[1].minor.yy303 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); + yymsp[1].minor.yy41 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); } break; - case 304: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + case 317: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ { - yylhsminor.yy303 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy192, yymsp[-1].minor.yy77.eType, yymsp[-1].minor.yy77.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy58); + yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy394, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy516); } - yymsp[-2].minor.yy303 = yylhsminor.yy303; + yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 305: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + case 318: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ { - yylhsminor.yy303 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy192, yymsp[-3].minor.yy77.eType, yymsp[-3].minor.yy77.pExpr, yymsp[-1].minor.yy77.eType, yymsp[-1].minor.yy77.pExpr, yymsp[0].minor.yy58); + yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy394, yymsp[-3].minor.yy595.eType, yymsp[-3].minor.yy595.pExpr, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, yymsp[0].minor.yy516); } - yymsp[-5].minor.yy303 = yylhsminor.yy303; + yymsp[-5].minor.yy41 = yylhsminor.yy41; + break; + case 320: /* frame_bound_s ::= frame_bound */ + case 322: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==322); +{yylhsminor.yy595 = yymsp[0].minor.yy595;} + yymsp[0].minor.yy595 = yylhsminor.yy595; break; - case 307: /* frame_bound_s ::= frame_bound */ - case 309: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==309); -{yylhsminor.yy77 = yymsp[0].minor.yy77;} - yymsp[0].minor.yy77 = yylhsminor.yy77; + case 321: /* frame_bound_s ::= UNBOUNDED PRECEDING */ + case 323: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==323); + case 325: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==325); +{yylhsminor.yy595.eType = yymsp[-1].major; yylhsminor.yy595.pExpr = 0;} + yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 308: /* frame_bound_s ::= UNBOUNDED PRECEDING */ - case 310: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==310); - case 312: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==312); -{yylhsminor.yy77.eType = yymsp[-1].major; yylhsminor.yy77.pExpr = 0;} - yymsp[-1].minor.yy77 = yylhsminor.yy77; + case 324: /* frame_bound ::= expr PRECEDING|FOLLOWING */ +{yylhsminor.yy595.eType = yymsp[0].major; yylhsminor.yy595.pExpr = yymsp[-1].minor.yy528;} + yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 311: /* frame_bound ::= expr PRECEDING|FOLLOWING */ -{yylhsminor.yy77.eType = yymsp[0].major; yylhsminor.yy77.pExpr = yymsp[-1].minor.yy202;} - yymsp[-1].minor.yy77 = yylhsminor.yy77; + case 326: /* frame_exclude_opt ::= */ +{yymsp[1].minor.yy516 = 0;} break; - case 313: /* frame_exclude_opt ::= */ -{yymsp[1].minor.yy58 = 0;} + case 327: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ +{yymsp[-1].minor.yy516 = yymsp[0].minor.yy516;} break; - case 314: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ -{yymsp[-1].minor.yy58 = yymsp[0].minor.yy58;} + case 328: /* frame_exclude ::= NO OTHERS */ + case 329: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==329); +{yymsp[-1].minor.yy516 = yymsp[-1].major; /*A-overwrites-X*/} break; - case 315: /* frame_exclude ::= NO OTHERS */ - case 316: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==316); -{yymsp[-1].minor.yy58 = yymsp[-1].major; /*A-overwrites-X*/} + case 330: /* frame_exclude ::= GROUP|TIES */ +{yymsp[0].minor.yy516 = yymsp[0].major; /*A-overwrites-X*/} break; - case 317: /* frame_exclude ::= GROUP|TIES */ -{yymsp[0].minor.yy58 = yymsp[0].major; /*A-overwrites-X*/} + case 331: /* window_clause ::= WINDOW windowdefn_list */ +{ yymsp[-1].minor.yy41 = yymsp[0].minor.yy41; } break; - case 318: /* window_clause ::= WINDOW windowdefn_list */ -{ yymsp[-1].minor.yy303 = yymsp[0].minor.yy303; } + case 332: /* filter_over ::= filter_clause over_clause */ +{ + if( yymsp[0].minor.yy41 ){ + yymsp[0].minor.yy41->pFilter = yymsp[-1].minor.yy528; + }else{ + sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy528); + } + yylhsminor.yy41 = yymsp[0].minor.yy41; +} + yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 319: /* filter_over ::= filter_clause over_clause */ + case 333: /* filter_over ::= over_clause */ { - yymsp[0].minor.yy303->pFilter = yymsp[-1].minor.yy202; - yylhsminor.yy303 = yymsp[0].minor.yy303; + yylhsminor.yy41 = yymsp[0].minor.yy41; } - yymsp[-1].minor.yy303 = yylhsminor.yy303; + yymsp[0].minor.yy41 = yylhsminor.yy41; break; - case 321: /* filter_over ::= filter_clause */ + case 334: /* filter_over ::= filter_clause */ { - yylhsminor.yy303 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); - if( yylhsminor.yy303 ){ - yylhsminor.yy303->eFrmType = TK_FILTER; - yylhsminor.yy303->pFilter = yymsp[0].minor.yy202; + yylhsminor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); + if( yylhsminor.yy41 ){ + yylhsminor.yy41->eFrmType = TK_FILTER; + yylhsminor.yy41->pFilter = yymsp[0].minor.yy528; }else{ - sqlite3ExprDelete(pParse->db, yymsp[0].minor.yy202); + sqlite3ExprDelete(pParse->db, yymsp[0].minor.yy528); } } - yymsp[0].minor.yy303 = yylhsminor.yy303; + yymsp[0].minor.yy41 = yylhsminor.yy41; break; - case 322: /* over_clause ::= OVER LP window RP */ + case 335: /* over_clause ::= OVER LP window RP */ { - yymsp[-3].minor.yy303 = yymsp[-1].minor.yy303; - assert( yymsp[-3].minor.yy303!=0 ); + yymsp[-3].minor.yy41 = yymsp[-1].minor.yy41; + assert( yymsp[-3].minor.yy41!=0 ); } break; - case 323: /* over_clause ::= OVER nm */ + case 336: /* over_clause ::= OVER nm */ { - yymsp[-1].minor.yy303 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); - if( yymsp[-1].minor.yy303 ){ - yymsp[-1].minor.yy303->zName = sqlite3DbStrNDup(pParse->db, yymsp[0].minor.yy0.z, yymsp[0].minor.yy0.n); + yymsp[-1].minor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); + if( yymsp[-1].minor.yy41 ){ + yymsp[-1].minor.yy41->zName = sqlite3DbStrNDup(pParse->db, yymsp[0].minor.yy0.z, yymsp[0].minor.yy0.n); } } break; - case 324: /* filter_clause ::= FILTER LP WHERE expr RP */ -{ yymsp[-4].minor.yy202 = yymsp[-1].minor.yy202; } + case 337: /* filter_clause ::= FILTER LP WHERE expr RP */ +{ yymsp[-4].minor.yy528 = yymsp[-1].minor.yy528; } break; default: - /* (325) input ::= cmdlist */ yytestcase(yyruleno==325); - /* (326) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==326); - /* (327) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=327); - /* (328) ecmd ::= SEMI */ yytestcase(yyruleno==328); - /* (329) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==329); - /* (330) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=330); - /* (331) trans_opt ::= */ yytestcase(yyruleno==331); - /* (332) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==332); - /* (333) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==333); - /* (334) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==334); - /* (335) savepoint_opt ::= */ yytestcase(yyruleno==335); - /* (336) cmd ::= create_table create_table_args */ yytestcase(yyruleno==336); - /* (337) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==337); - /* (338) columnlist ::= columnname carglist */ yytestcase(yyruleno==338); - /* (339) nm ::= ID|INDEXED */ yytestcase(yyruleno==339); - /* (340) nm ::= STRING */ yytestcase(yyruleno==340); - /* (341) nm ::= JOIN_KW */ yytestcase(yyruleno==341); - /* (342) typetoken ::= typename */ yytestcase(yyruleno==342); - /* (343) typename ::= ID|STRING */ yytestcase(yyruleno==343); - /* (344) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=344); - /* (345) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=345); - /* (346) carglist ::= carglist ccons */ yytestcase(yyruleno==346); - /* (347) carglist ::= */ yytestcase(yyruleno==347); - /* (348) ccons ::= NULL onconf */ yytestcase(yyruleno==348); - /* (349) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==349); - /* (350) ccons ::= AS generated */ yytestcase(yyruleno==350); - /* (351) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==351); - /* (352) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==352); - /* (353) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=353); - /* (354) tconscomma ::= */ yytestcase(yyruleno==354); - /* (355) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=355); - /* (356) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=356); - /* (357) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=357); - /* (358) oneselect ::= values */ yytestcase(yyruleno==358); - /* (359) sclp ::= selcollist COMMA */ yytestcase(yyruleno==359); - /* (360) as ::= ID|STRING */ yytestcase(yyruleno==360); - /* (361) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=361); - /* (362) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==362); - /* (363) exprlist ::= nexprlist */ yytestcase(yyruleno==363); - /* (364) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=364); - /* (365) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=365); - /* (366) nmnum ::= ON */ yytestcase(yyruleno==366); - /* (367) nmnum ::= DELETE */ yytestcase(yyruleno==367); - /* (368) nmnum ::= DEFAULT */ yytestcase(yyruleno==368); - /* (369) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==369); - /* (370) foreach_clause ::= */ yytestcase(yyruleno==370); - /* (371) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==371); - /* (372) trnm ::= nm */ yytestcase(yyruleno==372); - /* (373) tridxby ::= */ yytestcase(yyruleno==373); - /* (374) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==374); - /* (375) database_kw_opt ::= */ yytestcase(yyruleno==375); - /* (376) kwcolumn_opt ::= */ yytestcase(yyruleno==376); - /* (377) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==377); - /* (378) vtabarglist ::= vtabarg */ yytestcase(yyruleno==378); - /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==379); - /* (380) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==380); - /* (381) anylist ::= */ yytestcase(yyruleno==381); - /* (382) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==382); - /* (383) anylist ::= anylist ANY */ yytestcase(yyruleno==383); - /* (384) with ::= */ yytestcase(yyruleno==384); + /* (338) input ::= cmdlist */ yytestcase(yyruleno==338); + /* (339) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==339); + /* (340) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=340); + /* (341) ecmd ::= SEMI */ yytestcase(yyruleno==341); + /* (342) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==342); + /* (343) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=343); + /* (344) trans_opt ::= */ yytestcase(yyruleno==344); + /* (345) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==345); + /* (346) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==346); + /* (347) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==347); + /* (348) savepoint_opt ::= */ yytestcase(yyruleno==348); + /* (349) cmd ::= create_table create_table_args */ yytestcase(yyruleno==349); + /* (350) table_option_set ::= table_option (OPTIMIZED OUT) */ assert(yyruleno!=350); + /* (351) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==351); + /* (352) columnlist ::= columnname carglist */ yytestcase(yyruleno==352); + /* (353) nm ::= ID|INDEXED|JOIN_KW */ yytestcase(yyruleno==353); + /* (354) nm ::= STRING */ yytestcase(yyruleno==354); + /* (355) typetoken ::= typename */ yytestcase(yyruleno==355); + /* (356) typename ::= ID|STRING */ yytestcase(yyruleno==356); + /* (357) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=357); + /* (358) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=358); + /* (359) carglist ::= carglist ccons */ yytestcase(yyruleno==359); + /* (360) carglist ::= */ yytestcase(yyruleno==360); + /* (361) ccons ::= NULL onconf */ yytestcase(yyruleno==361); + /* (362) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==362); + /* (363) ccons ::= AS generated */ yytestcase(yyruleno==363); + /* (364) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==364); + /* (365) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==365); + /* (366) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=366); + /* (367) tconscomma ::= */ yytestcase(yyruleno==367); + /* (368) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=368); + /* (369) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=369); + /* (370) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=370); + /* (371) oneselect ::= values */ yytestcase(yyruleno==371); + /* (372) sclp ::= selcollist COMMA */ yytestcase(yyruleno==372); + /* (373) as ::= ID|STRING */ yytestcase(yyruleno==373); + /* (374) indexed_opt ::= indexed_by (OPTIMIZED OUT) */ assert(yyruleno!=374); + /* (375) returning ::= */ yytestcase(yyruleno==375); + /* (376) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=376); + /* (377) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==377); + /* (378) case_operand ::= expr */ yytestcase(yyruleno==378); + /* (379) exprlist ::= nexprlist */ yytestcase(yyruleno==379); + /* (380) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=380); + /* (381) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=381); + /* (382) nmnum ::= ON */ yytestcase(yyruleno==382); + /* (383) nmnum ::= DELETE */ yytestcase(yyruleno==383); + /* (384) nmnum ::= DEFAULT */ yytestcase(yyruleno==384); + /* (385) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==385); + /* (386) foreach_clause ::= */ yytestcase(yyruleno==386); + /* (387) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==387); + /* (388) trnm ::= nm */ yytestcase(yyruleno==388); + /* (389) tridxby ::= */ yytestcase(yyruleno==389); + /* (390) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==390); + /* (391) database_kw_opt ::= */ yytestcase(yyruleno==391); + /* (392) kwcolumn_opt ::= */ yytestcase(yyruleno==392); + /* (393) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==393); + /* (394) vtabarglist ::= vtabarg */ yytestcase(yyruleno==394); + /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==395); + /* (396) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==396); + /* (397) anylist ::= */ yytestcase(yyruleno==397); + /* (398) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==398); + /* (399) anylist ::= anylist ANY */ yytestcase(yyruleno==399); + /* (400) with ::= */ yytestcase(yyruleno==400); + /* (401) windowdefn_list ::= windowdefn (OPTIMIZED OUT) */ assert(yyruleno!=401); + /* (402) window ::= frame_opt (OPTIMIZED OUT) */ assert(yyruleno!=402); break; /********** End reduce actions ************************************************/ }; @@ -159110,12 +174468,56 @@ SQLITE_PRIVATE void sqlite3Parser( } #endif - do{ + while(1){ /* Exit by "break" */ + assert( yypParser->yytos>=yypParser->yystack ); assert( yyact==yypParser->yytos->stateno ); yyact = yy_find_shift_action((YYCODETYPE)yymajor,yyact); if( yyact >= YY_MIN_REDUCE ){ - yyact = yy_reduce(yypParser,yyact-YY_MIN_REDUCE,yymajor, - yyminor sqlite3ParserCTX_PARAM); + unsigned int yyruleno = yyact - YY_MIN_REDUCE; /* Reduce by this rule */ +#ifndef NDEBUG + assert( yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ); + if( yyTraceFILE ){ + int yysize = yyRuleInfoNRhs[yyruleno]; + if( yysize ){ + fprintf(yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", + yyTracePrompt, + yyruleno, yyRuleName[yyruleno], + yyrulenoyytos[yysize].stateno); + }else{ + fprintf(yyTraceFILE, "%sReduce %d [%s]%s.\n", + yyTracePrompt, yyruleno, yyRuleName[yyruleno], + yyrulenoyytos - yypParser->yystack)>yypParser->yyhwm ){ + yypParser->yyhwm++; + assert( yypParser->yyhwm == + (int)(yypParser->yytos - yypParser->yystack)); + } +#endif +#if YYSTACKDEPTH>0 + if( yypParser->yytos>=yypParser->yystackEnd ){ + yyStackOverflow(yypParser); + break; + } +#else + if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){ + if( yyGrowStack(yypParser) ){ + yyStackOverflow(yypParser); + break; + } + } +#endif + } + yyact = yy_reduce(yypParser,yyruleno,yymajor,yyminor sqlite3ParserCTX_PARAM); }else if( yyact <= YY_MAX_SHIFTREDUCE ){ yy_shift(yypParser,yyact,(YYCODETYPE)yymajor,yyminor); #ifndef YYNOERRORRECOVERY @@ -159171,14 +174573,13 @@ SQLITE_PRIVATE void sqlite3Parser( yy_destructor(yypParser, (YYCODETYPE)yymajor, &yyminorunion); yymajor = YYNOCODE; }else{ - while( yypParser->yytos >= yypParser->yystack - && (yyact = yy_find_reduce_action( - yypParser->yytos->stateno, - YYERRORSYMBOL)) > YY_MAX_SHIFTREDUCE - ){ + while( yypParser->yytos > yypParser->yystack ){ + yyact = yy_find_reduce_action(yypParser->yytos->stateno, + YYERRORSYMBOL); + if( yyact<=YY_MAX_SHIFTREDUCE ) break; yy_pop_parser_stack(yypParser); } - if( yypParser->yytos < yypParser->yystack || yymajor==0 ){ + if( yypParser->yytos <= yypParser->yystack || yymajor==0 ){ yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion); yy_parse_failed(yypParser); #ifndef YYNOERRORRECOVERY @@ -159228,7 +174629,7 @@ SQLITE_PRIVATE void sqlite3Parser( break; #endif } - }while( yypParser->yytos>yypParser->yystack ); + } #ifndef NDEBUG if( yyTraceFILE ){ yyStackEntry *i; @@ -159289,8 +174690,8 @@ SQLITE_PRIVATE int sqlite3ParserFallback(int iToken){ ** all of them need to be used within the switch. */ #define CC_X 0 /* The letter 'x', or start of BLOB literal */ -#define CC_KYWD 1 /* Alphabetics or '_'. Usable in a keyword */ -#define CC_ID 2 /* unicode characters usable in IDs */ +#define CC_KYWD0 1 /* First letter of a keyword */ +#define CC_KYWD 2 /* Alphabetics or '_'. Usable in a keyword */ #define CC_DIGIT 3 /* Digits */ #define CC_DOLLAR 4 /* '$' */ #define CC_VARALPHA 5 /* '@', '#', ':'. Alphabetic SQL variables */ @@ -159315,47 +174716,49 @@ SQLITE_PRIVATE int sqlite3ParserFallback(int iToken){ #define CC_AND 24 /* '&' */ #define CC_TILDA 25 /* '~' */ #define CC_DOT 26 /* '.' */ -#define CC_ILLEGAL 27 /* Illegal character */ -#define CC_NUL 28 /* 0x00 */ +#define CC_ID 27 /* unicode characters usable in IDs */ +#define CC_ILLEGAL 28 /* Illegal character */ +#define CC_NUL 29 /* 0x00 */ +#define CC_BOM 30 /* First byte of UTF8 BOM: 0xEF 0xBB 0xBF */ static const unsigned char aiClass[] = { #ifdef SQLITE_ASCII /* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xa xb xc xd xe xf */ -/* 0x */ 28, 27, 27, 27, 27, 27, 27, 27, 27, 7, 7, 27, 7, 7, 27, 27, -/* 1x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* 0x */ 29, 28, 28, 28, 28, 28, 28, 28, 28, 7, 7, 28, 7, 7, 28, 28, +/* 1x */ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, /* 2x */ 7, 15, 8, 5, 4, 22, 24, 8, 17, 18, 21, 20, 23, 11, 26, 16, /* 3x */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 19, 12, 14, 13, 6, /* 4x */ 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -/* 5x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 9, 27, 27, 27, 1, +/* 5x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 9, 28, 28, 28, 2, /* 6x */ 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -/* 7x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 27, 10, 27, 25, 27, -/* 8x */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* 9x */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Ax */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Bx */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Cx */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Dx */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Ex */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -/* Fx */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 +/* 7x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 28, 10, 28, 25, 28, +/* 8x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* 9x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* Ax */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* Bx */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* Cx */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* Dx */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +/* Ex */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 30, +/* Fx */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27 #endif #ifdef SQLITE_EBCDIC /* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xa xb xc xd xe xf */ -/* 0x */ 27, 27, 27, 27, 27, 7, 27, 27, 27, 27, 27, 27, 7, 7, 27, 27, -/* 1x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -/* 2x */ 27, 27, 27, 27, 27, 7, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -/* 3x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -/* 4x */ 7, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 12, 17, 20, 10, -/* 5x */ 24, 27, 27, 27, 27, 27, 27, 27, 27, 27, 15, 4, 21, 18, 19, 27, -/* 6x */ 11, 16, 27, 27, 27, 27, 27, 27, 27, 27, 27, 23, 22, 1, 13, 6, -/* 7x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 8, 5, 5, 5, 8, 14, 8, -/* 8x */ 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 27, 27, 27, 27, 27, 27, -/* 9x */ 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 27, 27, 27, 27, 27, 27, -/* Ax */ 27, 25, 1, 1, 1, 1, 1, 0, 1, 1, 27, 27, 27, 27, 27, 27, -/* Bx */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 9, 27, 27, 27, 27, 27, -/* Cx */ 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 27, 27, 27, 27, 27, 27, -/* Dx */ 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 27, 27, 27, 27, 27, 27, -/* Ex */ 27, 27, 1, 1, 1, 1, 1, 0, 1, 1, 27, 27, 27, 27, 27, 27, -/* Fx */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 27, 27, 27, 27, 27, 27, +/* 0x */ 29, 28, 28, 28, 28, 7, 28, 28, 28, 28, 28, 28, 7, 7, 28, 28, +/* 1x */ 28, 28, 28, 28, 28, 7, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +/* 2x */ 28, 28, 28, 28, 28, 7, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +/* 3x */ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +/* 4x */ 7, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 26, 12, 17, 20, 10, +/* 5x */ 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 15, 4, 21, 18, 19, 28, +/* 6x */ 11, 16, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 22, 2, 13, 6, +/* 7x */ 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 5, 5, 5, 8, 14, 8, +/* 8x */ 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 28, 28, 28, 28, 28, 28, +/* 9x */ 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 28, 28, 28, 28, 28, 28, +/* Ax */ 28, 25, 1, 1, 1, 1, 1, 0, 2, 2, 28, 28, 28, 28, 28, 28, +/* Bx */ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 9, 28, 28, 28, 28, 28, +/* Cx */ 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 28, 28, 28, 28, 28, 28, +/* Dx */ 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 28, 28, 28, 28, 28, 28, +/* Ex */ 28, 28, 1, 1, 1, 1, 1, 0, 2, 2, 28, 28, 28, 28, 28, 28, +/* Fx */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 28, 28, 28, 28, 28, 28, #endif }; @@ -159420,20 +174823,21 @@ const unsigned char ebcdicToAscii[] = { ** is substantially reduced. This is important for embedded applications ** on platforms with limited memory. */ -/* Hash score: 227 */ -/* zKWText[] encodes 984 bytes of keyword text in 648 bytes */ +/* Hash score: 231 */ +/* zKWText[] encodes 1007 bytes of keyword text in 667 bytes */ /* REINDEXEDESCAPEACHECKEYBEFOREIGNOREGEXPLAINSTEADDATABASELECT */ /* ABLEFTHENDEFERRABLELSEXCLUDELETEMPORARYISNULLSAVEPOINTERSECT */ /* IESNOTNULLIKEXCEPTRANSACTIONATURALTERAISEXCLUSIVEXISTS */ /* CONSTRAINTOFFSETRIGGERANGENERATEDETACHAVINGLOBEGINNEREFERENCES */ /* UNIQUERYWITHOUTERELEASEATTACHBETWEENOTHINGROUPSCASCADEFAULT */ /* CASECOLLATECREATECURRENT_DATEIMMEDIATEJOINSERTMATCHPLANALYZE */ -/* PRAGMABORTUPDATEVALUESVIRTUALWAYSWHENWHERECURSIVEAFTERENAMEAND */ -/* EFERREDISTINCTAUTOINCREMENTCASTCOLUMNCOMMITCONFLICTCROSS */ -/* CURRENT_TIMESTAMPARTITIONDROPRECEDINGFAILASTFILTEREPLACEFIRST */ -/* FOLLOWINGFROMFULLIMITIFORDERESTRICTOTHERSOVERIGHTROLLBACKROWS */ -/* UNBOUNDEDUNIONUSINGVACUUMVIEWINDOWBYINITIALLYPRIMARY */ -static const char zKWText[647] = { +/* PRAGMATERIALIZEDEFERREDISTINCTUPDATEVALUESVIRTUALWAYSWHENWHERE */ +/* CURSIVEABORTAFTERENAMEANDROPARTITIONAUTOINCREMENTCASTCOLUMN */ +/* COMMITCONFLICTCROSSCURRENT_TIMESTAMPRECEDINGFAILASTFILTER */ +/* EPLACEFIRSTFOLLOWINGFROMFULLIMITIFORDERESTRICTOTHERSOVER */ +/* ETURNINGRIGHTROLLBACKROWSUNBOUNDEDUNIONUSINGVACUUMVIEWINDOWBY */ +/* INITIALLYPRIMARY */ +static const char zKWText[666] = { 'R','E','I','N','D','E','X','E','D','E','S','C','A','P','E','A','C','H', 'E','C','K','E','Y','B','E','F','O','R','E','I','G','N','O','R','E','G', 'E','X','P','L','A','I','N','S','T','E','A','D','D','A','T','A','B','A', @@ -159454,86 +174858,87 @@ static const char zKWText[647] = { 'C','R','E','A','T','E','C','U','R','R','E','N','T','_','D','A','T','E', 'I','M','M','E','D','I','A','T','E','J','O','I','N','S','E','R','T','M', 'A','T','C','H','P','L','A','N','A','L','Y','Z','E','P','R','A','G','M', - 'A','B','O','R','T','U','P','D','A','T','E','V','A','L','U','E','S','V', - 'I','R','T','U','A','L','W','A','Y','S','W','H','E','N','W','H','E','R', - 'E','C','U','R','S','I','V','E','A','F','T','E','R','E','N','A','M','E', - 'A','N','D','E','F','E','R','R','E','D','I','S','T','I','N','C','T','A', - 'U','T','O','I','N','C','R','E','M','E','N','T','C','A','S','T','C','O', - 'L','U','M','N','C','O','M','M','I','T','C','O','N','F','L','I','C','T', - 'C','R','O','S','S','C','U','R','R','E','N','T','_','T','I','M','E','S', - 'T','A','M','P','A','R','T','I','T','I','O','N','D','R','O','P','R','E', - 'C','E','D','I','N','G','F','A','I','L','A','S','T','F','I','L','T','E', - 'R','E','P','L','A','C','E','F','I','R','S','T','F','O','L','L','O','W', - 'I','N','G','F','R','O','M','F','U','L','L','I','M','I','T','I','F','O', - 'R','D','E','R','E','S','T','R','I','C','T','O','T','H','E','R','S','O', - 'V','E','R','I','G','H','T','R','O','L','L','B','A','C','K','R','O','W', - 'S','U','N','B','O','U','N','D','E','D','U','N','I','O','N','U','S','I', - 'N','G','V','A','C','U','U','M','V','I','E','W','I','N','D','O','W','B', - 'Y','I','N','I','T','I','A','L','L','Y','P','R','I','M','A','R','Y', + 'A','T','E','R','I','A','L','I','Z','E','D','E','F','E','R','R','E','D', + 'I','S','T','I','N','C','T','U','P','D','A','T','E','V','A','L','U','E', + 'S','V','I','R','T','U','A','L','W','A','Y','S','W','H','E','N','W','H', + 'E','R','E','C','U','R','S','I','V','E','A','B','O','R','T','A','F','T', + 'E','R','E','N','A','M','E','A','N','D','R','O','P','A','R','T','I','T', + 'I','O','N','A','U','T','O','I','N','C','R','E','M','E','N','T','C','A', + 'S','T','C','O','L','U','M','N','C','O','M','M','I','T','C','O','N','F', + 'L','I','C','T','C','R','O','S','S','C','U','R','R','E','N','T','_','T', + 'I','M','E','S','T','A','M','P','R','E','C','E','D','I','N','G','F','A', + 'I','L','A','S','T','F','I','L','T','E','R','E','P','L','A','C','E','F', + 'I','R','S','T','F','O','L','L','O','W','I','N','G','F','R','O','M','F', + 'U','L','L','I','M','I','T','I','F','O','R','D','E','R','E','S','T','R', + 'I','C','T','O','T','H','E','R','S','O','V','E','R','E','T','U','R','N', + 'I','N','G','R','I','G','H','T','R','O','L','L','B','A','C','K','R','O', + 'W','S','U','N','B','O','U','N','D','E','D','U','N','I','O','N','U','S', + 'I','N','G','V','A','C','U','U','M','V','I','E','W','I','N','D','O','W', + 'B','Y','I','N','I','T','I','A','L','L','Y','P','R','I','M','A','R','Y', }; /* aKWHash[i] is the hash value for the i-th keyword */ static const unsigned char aKWHash[127] = { - 84, 102, 132, 82, 114, 29, 0, 0, 91, 0, 85, 72, 0, - 53, 35, 86, 15, 0, 42, 94, 54, 126, 133, 19, 0, 0, - 138, 0, 40, 128, 0, 22, 104, 0, 9, 0, 0, 122, 80, - 0, 78, 6, 0, 65, 99, 145, 0, 134, 112, 0, 0, 48, - 0, 100, 24, 0, 17, 0, 27, 70, 23, 26, 5, 60, 140, - 107, 121, 0, 73, 101, 71, 143, 61, 119, 74, 0, 49, 0, - 11, 41, 0, 110, 0, 0, 0, 106, 10, 108, 113, 124, 14, - 50, 123, 0, 89, 0, 18, 120, 142, 56, 129, 137, 88, 83, - 37, 30, 125, 0, 0, 105, 51, 130, 127, 0, 34, 0, 0, - 44, 0, 95, 38, 39, 0, 20, 45, 116, 90, + 84, 92, 134, 82, 105, 29, 0, 0, 94, 0, 85, 72, 0, + 53, 35, 86, 15, 0, 42, 97, 54, 89, 135, 19, 0, 0, + 140, 0, 40, 129, 0, 22, 107, 0, 9, 0, 0, 123, 80, + 0, 78, 6, 0, 65, 103, 147, 0, 136, 115, 0, 0, 48, + 0, 90, 24, 0, 17, 0, 27, 70, 23, 26, 5, 60, 142, + 110, 122, 0, 73, 91, 71, 145, 61, 120, 74, 0, 49, 0, + 11, 41, 0, 113, 0, 0, 0, 109, 10, 111, 116, 125, 14, + 50, 124, 0, 100, 0, 18, 121, 144, 56, 130, 139, 88, 83, + 37, 30, 126, 0, 0, 108, 51, 131, 128, 0, 34, 0, 0, + 132, 0, 98, 38, 39, 0, 20, 45, 117, 93, }; /* aKWNext[] forms the hash collision chain. If aKWHash[i]==0 ** then the i-th keyword has no more hash collisions. Otherwise, ** the next keyword with the same hash is aKWHash[i]-1. */ -static const unsigned char aKWNext[145] = { - 0, 0, 0, 0, 4, 0, 43, 0, 0, 103, 111, 0, 0, - 0, 2, 0, 0, 141, 0, 0, 0, 13, 0, 0, 0, 0, - 139, 0, 0, 118, 52, 0, 0, 135, 12, 0, 0, 62, 0, - 136, 0, 131, 0, 0, 36, 0, 0, 28, 77, 0, 0, 0, +static const unsigned char aKWNext[148] = {0, + 0, 0, 0, 0, 4, 0, 43, 0, 0, 106, 114, 0, 0, + 0, 2, 0, 0, 143, 0, 0, 0, 13, 0, 0, 0, 0, + 141, 0, 0, 119, 52, 0, 0, 137, 12, 0, 0, 62, 0, + 138, 0, 133, 0, 0, 36, 0, 0, 28, 77, 0, 0, 0, 0, 59, 0, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 69, 0, 0, 0, 0, 0, 144, 3, 0, 58, 0, 1, - 75, 0, 0, 0, 31, 0, 0, 0, 0, 0, 0, 64, 66, - 63, 0, 0, 0, 0, 46, 0, 16, 0, 115, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 81, 97, 0, 8, 0, 109, - 21, 7, 67, 0, 79, 93, 117, 0, 0, 68, 0, 0, 96, - 0, 55, 0, 76, 0, 92, 32, 33, 57, 25, 0, 98, 0, - 0, 87, + 0, 69, 0, 0, 0, 0, 0, 146, 3, 0, 58, 0, 1, + 75, 0, 0, 0, 31, 0, 0, 0, 0, 0, 127, 0, 104, + 0, 64, 66, 63, 0, 0, 0, 0, 0, 46, 0, 16, 8, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 101, 0, + 112, 21, 7, 67, 0, 79, 96, 118, 0, 0, 68, 0, 0, + 99, 44, 0, 55, 0, 76, 0, 95, 32, 33, 57, 25, 0, + 102, 0, 0, 87, }; /* aKWLen[i] is the length (in bytes) of the i-th keyword */ -static const unsigned char aKWLen[145] = { +static const unsigned char aKWLen[148] = {0, 7, 7, 5, 4, 6, 4, 5, 3, 6, 7, 3, 6, 6, 7, 7, 3, 8, 2, 6, 5, 4, 4, 3, 10, 4, 7, 6, 9, 4, 2, 6, 5, 9, 9, 4, 7, 3, 2, 4, 4, 6, 11, 6, 2, 7, 5, 5, 9, 6, 10, 4, 6, 2, 3, 7, 5, 9, 6, 6, 4, 5, 5, 10, 6, 5, 7, 4, 5, 7, 6, 7, 7, 6, 5, 7, 3, 7, 4, - 7, 6, 12, 9, 4, 6, 5, 4, 7, 6, 5, 6, 6, - 7, 6, 4, 5, 9, 5, 6, 3, 8, 8, 2, 13, 2, - 2, 4, 6, 6, 8, 5, 17, 12, 7, 9, 4, 9, 4, - 4, 6, 7, 5, 9, 4, 4, 5, 2, 5, 8, 6, 4, - 5, 8, 4, 3, 9, 5, 5, 6, 4, 6, 2, 2, 9, - 3, 7, + 7, 6, 12, 9, 4, 6, 5, 4, 7, 6, 12, 8, 8, + 2, 6, 6, 7, 6, 4, 5, 9, 5, 5, 6, 3, 4, + 9, 13, 2, 2, 4, 6, 6, 8, 5, 17, 12, 7, 9, + 4, 4, 6, 7, 5, 9, 4, 4, 5, 2, 5, 8, 6, + 4, 9, 5, 8, 4, 3, 9, 5, 5, 6, 4, 6, 2, + 2, 9, 3, 7, }; /* aKWOffset[i] is the index into zKWText[] of the start of ** the text for the i-th keyword. */ -static const unsigned short int aKWOffset[145] = { +static const unsigned short int aKWOffset[148] = {0, 0, 2, 2, 8, 9, 14, 16, 20, 23, 25, 25, 29, 33, 36, 41, 46, 48, 53, 54, 59, 62, 65, 67, 69, 78, 81, 86, 90, 90, 94, 99, 101, 105, 111, 119, 123, 123, 123, 126, 129, 132, 137, 142, 146, 147, 152, 156, 160, 168, 174, 181, 184, 184, 187, 189, 195, 198, 206, 211, 216, 219, 222, 226, 236, 239, 244, 244, 248, 252, 259, 265, 271, 277, 277, 283, 284, 288, 295, - 299, 306, 312, 324, 333, 335, 341, 346, 348, 355, 360, 365, 371, - 377, 382, 388, 392, 395, 404, 408, 414, 416, 423, 424, 431, 433, - 435, 444, 448, 454, 460, 468, 473, 473, 473, 489, 498, 501, 510, - 513, 517, 522, 529, 534, 543, 547, 550, 555, 557, 561, 569, 575, - 578, 583, 591, 591, 595, 604, 609, 614, 620, 623, 626, 629, 631, - 636, 640, + 299, 306, 312, 324, 333, 335, 341, 346, 348, 355, 359, 370, 377, + 378, 385, 391, 397, 402, 408, 412, 415, 424, 429, 433, 439, 441, + 444, 453, 455, 457, 466, 470, 476, 482, 490, 495, 495, 495, 511, + 520, 523, 527, 532, 539, 544, 553, 557, 560, 565, 567, 571, 579, + 585, 588, 597, 602, 610, 610, 614, 623, 628, 633, 639, 642, 645, + 648, 650, 655, 659, }; /* aKWCode[i] is the parser symbol code for the i-th keyword */ -static const unsigned char aKWCode[145] = { +static const unsigned char aKWCode[148] = {0, TK_REINDEX, TK_INDEXED, TK_INDEX, TK_DESC, TK_ESCAPE, TK_EACH, TK_CHECK, TK_KEY, TK_BEFORE, TK_FOREIGN, TK_FOR, TK_IGNORE, TK_LIKE_KW, TK_EXPLAIN, TK_INSTEAD, @@ -159551,18 +174956,19 @@ static const unsigned char aKWCode[145] = { TK_BETWEEN, TK_NOTHING, TK_GROUPS, TK_GROUP, TK_CASCADE, TK_ASC, TK_DEFAULT, TK_CASE, TK_COLLATE, TK_CREATE, TK_CTIME_KW, TK_IMMEDIATE, TK_JOIN, TK_INSERT, TK_MATCH, - TK_PLAN, TK_ANALYZE, TK_PRAGMA, TK_ABORT, TK_UPDATE, - TK_VALUES, TK_VIRTUAL, TK_ALWAYS, TK_WHEN, TK_WHERE, - TK_RECURSIVE, TK_AFTER, TK_RENAME, TK_AND, TK_DEFERRED, - TK_DISTINCT, TK_IS, TK_AUTOINCR, TK_TO, TK_IN, - TK_CAST, TK_COLUMNKW, TK_COMMIT, TK_CONFLICT, TK_JOIN_KW, - TK_CTIME_KW, TK_CTIME_KW, TK_CURRENT, TK_PARTITION, TK_DROP, - TK_PRECEDING, TK_FAIL, TK_LAST, TK_FILTER, TK_REPLACE, - TK_FIRST, TK_FOLLOWING, TK_FROM, TK_JOIN_KW, TK_LIMIT, - TK_IF, TK_ORDER, TK_RESTRICT, TK_OTHERS, TK_OVER, - TK_JOIN_KW, TK_ROLLBACK, TK_ROWS, TK_ROW, TK_UNBOUNDED, - TK_UNION, TK_USING, TK_VACUUM, TK_VIEW, TK_WINDOW, - TK_DO, TK_BY, TK_INITIALLY, TK_ALL, TK_PRIMARY, + TK_PLAN, TK_ANALYZE, TK_PRAGMA, TK_MATERIALIZED, TK_DEFERRED, + TK_DISTINCT, TK_IS, TK_UPDATE, TK_VALUES, TK_VIRTUAL, + TK_ALWAYS, TK_WHEN, TK_WHERE, TK_RECURSIVE, TK_ABORT, + TK_AFTER, TK_RENAME, TK_AND, TK_DROP, TK_PARTITION, + TK_AUTOINCR, TK_TO, TK_IN, TK_CAST, TK_COLUMNKW, + TK_COMMIT, TK_CONFLICT, TK_JOIN_KW, TK_CTIME_KW, TK_CTIME_KW, + TK_CURRENT, TK_PRECEDING, TK_FAIL, TK_LAST, TK_FILTER, + TK_REPLACE, TK_FIRST, TK_FOLLOWING, TK_FROM, TK_JOIN_KW, + TK_LIMIT, TK_IF, TK_ORDER, TK_RESTRICT, TK_OTHERS, + TK_OVER, TK_RETURNING, TK_JOIN_KW, TK_ROLLBACK, TK_ROWS, + TK_ROW, TK_UNBOUNDED, TK_UNION, TK_USING, TK_VACUUM, + TK_VIEW, TK_WINDOW, TK_DO, TK_BY, TK_INITIALLY, + TK_ALL, TK_PRIMARY, }; /* Hash table decoded: ** 0: INSERT @@ -159586,7 +174992,7 @@ static const unsigned char aKWCode[145] = { ** 18: TRANSACTION RIGHT ** 19: WHEN ** 20: SET HAVING -** 21: IF +** 21: MATERIALIZED IF ** 22: ROWS ** 23: SELECT ** 24: @@ -159682,7 +175088,7 @@ static const unsigned char aKWCode[145] = { ** 114: INTERSECT UNBOUNDED ** 115: ** 116: -** 117: ON +** 117: RETURNING ON ** 118: ** 119: WHERE ** 120: NO INNER @@ -159699,183 +175105,185 @@ static const unsigned char aKWCode[145] = { static int keywordCode(const char *z, int n, int *pType){ int i, j; const char *zKW; - if( n>=2 ){ - i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n) % 127; - for(i=((int)aKWHash[i])-1; i>=0; i=((int)aKWNext[i])-1){ - if( aKWLen[i]!=n ) continue; - zKW = &zKWText[aKWOffset[i]]; + assert( n>=2 ); + i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n*1) % 127; + for(i=(int)aKWHash[i]; i>0; i=aKWNext[i]){ + if( aKWLen[i]!=n ) continue; + zKW = &zKWText[aKWOffset[i]]; #ifdef SQLITE_ASCII - if( (z[0]&~0x20)!=zKW[0] ) continue; - if( (z[1]&~0x20)!=zKW[1] ) continue; - j = 2; - while( j=2 ) keywordCode((char*)z, n, &id); return id; } -#define SQLITE_N_KEYWORD 145 +#define SQLITE_N_KEYWORD 147 SQLITE_API int sqlite3_keyword_name(int i,const char **pzName,int *pnName){ if( i<0 || i>=SQLITE_N_KEYWORD ) return SQLITE_ERROR; + i++; *pzName = zKWText + aKWOffset[i]; *pnName = aKWLen[i]; return SQLITE_OK; @@ -160031,6 +175439,9 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ for(i=2; (c=z[i])!=0 && c!='\n'; i++){} *tokenType = TK_SPACE; /* IMP: R-22934-25134 */ return i; + }else if( z[1]=='>' ){ + *tokenType = TK_PTR; + return 2 + (z[2]=='>'); } *tokenType = TK_MINUS; return 1; @@ -160171,7 +175582,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ testcase( z[0]=='0' ); testcase( z[0]=='1' ); testcase( z[0]=='2' ); testcase( z[0]=='3' ); testcase( z[0]=='4' ); testcase( z[0]=='5' ); testcase( z[0]=='6' ); testcase( z[0]=='7' ); testcase( z[0]=='8' ); - testcase( z[0]=='9' ); + testcase( z[0]=='9' ); testcase( z[0]=='.' ); *tokenType = TK_INTEGER; #ifndef SQLITE_OMIT_HEX_INTEGER if( z[0]=='0' && (z[1]=='x' || z[1]=='X') && sqlite3Isxdigit(z[2]) ){ @@ -160242,8 +175653,9 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ if( n==0 ) *tokenType = TK_ILLEGAL; return i; } - case CC_KYWD: { - for(i=1; aiClass[z[i]]<=CC_KYWD; i++){} + case CC_KYWD0: { + if( aiClass[z[1]]>CC_KYWD ){ i = 1; break; } + for(i=2; aiClass[z[i]]<=CC_KYWD; i++){} if( IdChar(z[i]) ){ /* This token started out using characters that can appear in keywords, ** but z[i] is a character not allowed within keywords, so this must @@ -160272,10 +175684,19 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ ** SQL keywords start with the letter 'x'. Fall through */ /* no break */ deliberate_fall_through } + case CC_KYWD: case CC_ID: { i = 1; break; } + case CC_BOM: { + if( z[1]==0xbb && z[2]==0xbf ){ + *tokenType = TK_SPACE; + return 3; + } + i = 1; + break; + } case CC_NUL: { *tokenType = TK_ILLEGAL; return 0; @@ -160291,13 +175712,9 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ } /* -** Run the parser on the given SQL string. The parser structure is -** passed in. An SQLITE_ status code is returned. If an error occurs -** then an and attempt is made to write an error message into -** memory obtained from sqlite3_malloc() and to make *pzErrMsg point to that -** error message. +** Run the parser on the given SQL string. */ -SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){ +SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql){ int nErr = 0; /* Number of errors encountered */ void *pEngine; /* The LEMON-generated LALR(1) parser */ int n = 0; /* Length of the next token token */ @@ -160305,6 +175722,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr int lastTokenParsed = -1; /* type of the previous token */ sqlite3 *db = pParse->db; /* The database connection */ int mxSqlLen; /* Max length of an SQL string */ + Parse *pParentParse = 0; /* Outer parse context, if any */ #ifdef sqlite3Parser_ENGINEALWAYSONSTACK yyParser sEngine; /* Space to hold the Lemon-generated Parser object */ #endif @@ -160317,7 +175735,6 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr } pParse->rc = SQLITE_OK; pParse->zTail = zSql; - assert( pzErrMsg!=0 ); #ifdef SQLITE_DEBUG if( db->flags & SQLITE_ParserTrace ){ printf("parser: [[[%s]]]\n", zSql); @@ -160340,13 +175757,14 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr assert( pParse->pNewTrigger==0 ); assert( pParse->nVar==0 ); assert( pParse->pVList==0 ); - pParse->pParentParse = db->pParse; + pParentParse = db->pParse; db->pParse = pParse; while( 1 ){ n = sqlite3GetToken((u8*)zSql, &tokenType); mxSqlLen -= n; if( mxSqlLen<0 ){ pParse->rc = SQLITE_TOOBIG; + pParse->nErr++; break; } #ifndef SQLITE_OMIT_WINDOWFUNC @@ -160360,6 +175778,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr #endif /* SQLITE_OMIT_WINDOWFUNC */ if( AtomicLoad(&db->u1.isInterrupted) ){ pParse->rc = SQLITE_INTERRUPT; + pParse->nErr++; break; } if( tokenType==TK_SPACE ){ @@ -160389,7 +175808,10 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr tokenType = analyzeFilterKeyword((const u8*)&zSql[6], lastTokenParsed); #endif /* SQLITE_OMIT_WINDOWFUNC */ }else{ - sqlite3ErrorMsg(pParse, "unrecognized token: \"%.*s\"", n, zSql); + Token x; + x.z = zSql; + x.n = n; + sqlite3ErrorMsg(pParse, "unrecognized token: \"%T\"", &x); break; } } @@ -160417,58 +175839,30 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr if( db->mallocFailed ){ pParse->rc = SQLITE_NOMEM_BKPT; } - if( pParse->rc!=SQLITE_OK && pParse->rc!=SQLITE_DONE && pParse->zErrMsg==0 ){ - pParse->zErrMsg = sqlite3MPrintf(db, "%s", sqlite3ErrStr(pParse->rc)); - } - assert( pzErrMsg!=0 ); - if( pParse->zErrMsg ){ - *pzErrMsg = pParse->zErrMsg; - sqlite3_log(pParse->rc, "%s in \"%s\"", - *pzErrMsg, pParse->zTail); - pParse->zErrMsg = 0; + if( pParse->zErrMsg || (pParse->rc!=SQLITE_OK && pParse->rc!=SQLITE_DONE) ){ + if( pParse->zErrMsg==0 ){ + pParse->zErrMsg = sqlite3MPrintf(db, "%s", sqlite3ErrStr(pParse->rc)); + } + sqlite3_log(pParse->rc, "%s in \"%s\"", pParse->zErrMsg, pParse->zTail); nErr++; } pParse->zTail = zSql; - if( pParse->pVdbe && pParse->nErr>0 && pParse->nested==0 ){ - sqlite3VdbeDelete(pParse->pVdbe); - pParse->pVdbe = 0; - } -#ifndef SQLITE_OMIT_SHARED_CACHE - if( pParse->nested==0 ){ - sqlite3DbFree(db, pParse->aTableLock); - pParse->aTableLock = 0; - pParse->nTableLock = 0; - } -#endif #ifndef SQLITE_OMIT_VIRTUALTABLE sqlite3_free(pParse->apVtabLock); #endif - if( !IN_SPECIAL_PARSE ){ + if( pParse->pNewTable && !IN_SPECIAL_PARSE ){ /* If the pParse->declareVtab flag is set, do not delete any table ** structure built up in pParse->pNewTable. The calling code (see vtab.c) ** will take responsibility for freeing the Table structure. */ sqlite3DeleteTable(db, pParse->pNewTable); } - if( !IN_RENAME_OBJECT ){ + if( pParse->pNewTrigger && !IN_RENAME_OBJECT ){ sqlite3DeleteTrigger(db, pParse->pNewTrigger); } - - if( pParse->pWithToFree ) sqlite3WithDelete(db, pParse->pWithToFree); - sqlite3DbFree(db, pParse->pVList); - while( pParse->pAinc ){ - AutoincInfo *p = pParse->pAinc; - pParse->pAinc = p->pNext; - sqlite3DbFreeNN(db, p); - } - while( pParse->pZombieTab ){ - Table *p = pParse->pZombieTab; - pParse->pZombieTab = p->pNextZombie; - sqlite3DeleteTable(db, p); - } - db->pParse = pParse->pParentParse; - pParse->pParentParse = 0; + if( pParse->pVList ) sqlite3DbNNFreeNN(db, pParse->pVList); + db->pParse = pParentParse; assert( nErr==0 || pParse->rc!=SQLITE_OK ); return nErr; } @@ -161040,18 +176434,9 @@ static int sqlite3TestExtInit(sqlite3 *db){ ** Forward declarations of external module initializer functions ** for modules that need them. */ -#ifdef SQLITE_ENABLE_FTS1 -SQLITE_PRIVATE int sqlite3Fts1Init(sqlite3*); -#endif -#ifdef SQLITE_ENABLE_FTS2 -SQLITE_PRIVATE int sqlite3Fts2Init(sqlite3*); -#endif #ifdef SQLITE_ENABLE_FTS5 SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); #endif -#ifdef SQLITE_ENABLE_JSON1 -SQLITE_PRIVATE int sqlite3Json1Init(sqlite3*); -#endif #ifdef SQLITE_ENABLE_STMTVTAB SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3*); #endif @@ -161061,12 +176446,6 @@ SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3*); ** built-in extensions. */ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { -#ifdef SQLITE_ENABLE_FTS1 - sqlite3Fts1Init, -#endif -#ifdef SQLITE_ENABLE_FTS2 - sqlite3Fts2Init, -#endif #ifdef SQLITE_ENABLE_FTS3 sqlite3Fts3Init, #endif @@ -161086,8 +176465,8 @@ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { sqlite3DbstatRegister, #endif sqlite3TestExtInit, -#ifdef SQLITE_ENABLE_JSON1 - sqlite3Json1Init, +#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_JSON) + sqlite3JsonTableFunctions, #endif #ifdef SQLITE_ENABLE_STMTVTAB sqlite3StmtVtabInit, @@ -161304,7 +176683,7 @@ SQLITE_API int sqlite3_initialize(void){ sqlite3GlobalConfig.isPCacheInit = 1; rc = sqlite3OsInit(); } -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE if( rc==SQLITE_OK ){ rc = sqlite3MemdbInit(); } @@ -161432,9 +176811,21 @@ SQLITE_API int sqlite3_config(int op, ...){ va_list ap; int rc = SQLITE_OK; - /* sqlite3_config() shall return SQLITE_MISUSE if it is invoked while - ** the SQLite library is in use. */ - if( sqlite3GlobalConfig.isInit ) return SQLITE_MISUSE_BKPT; + /* sqlite3_config() normally returns SQLITE_MISUSE if it is invoked while + ** the SQLite library is in use. Except, a few selected opcodes + ** are allowed. + */ + if( sqlite3GlobalConfig.isInit ){ + static const u64 mAnytimeConfigOption = 0 + | MASKBIT64( SQLITE_CONFIG_LOG ) + | MASKBIT64( SQLITE_CONFIG_PCACHE_HDRSZ ) + ; + if( op<0 || op>63 || (MASKBIT64(op) & mAnytimeConfigOption)==0 ){ + return SQLITE_MISUSE_BKPT; + } + testcase( op==SQLITE_CONFIG_LOG ); + testcase( op==SQLITE_CONFIG_PCACHE_HDRSZ ); + } va_start(ap, op); switch( op ){ @@ -161503,6 +176894,7 @@ SQLITE_API int sqlite3_config(int op, ...){ break; } case SQLITE_CONFIG_MEMSTATUS: { + assert( !sqlite3GlobalConfig.isInit ); /* Cannot change at runtime */ /* EVIDENCE-OF: R-61275-35157 The SQLITE_CONFIG_MEMSTATUS option takes ** single argument of type int, interpreted as a boolean, which enables ** or disables the collection of memory allocation statistics. */ @@ -161626,8 +177018,10 @@ SQLITE_API int sqlite3_config(int op, ...){ ** sqlite3GlobalConfig.xLog = va_arg(ap, void(*)(void*,int,const char*)); */ typedef void(*LOGFUNC_t)(void*,int,const char*); - sqlite3GlobalConfig.xLog = va_arg(ap, LOGFUNC_t); - sqlite3GlobalConfig.pLogArg = va_arg(ap, void*); + LOGFUNC_t xLog = va_arg(ap, LOGFUNC_t); + void *pLogArg = va_arg(ap, void*); + AtomicStore(&sqlite3GlobalConfig.xLog, xLog); + AtomicStore(&sqlite3GlobalConfig.pLogArg, pLogArg); break; } @@ -161641,7 +177035,8 @@ SQLITE_API int sqlite3_config(int op, ...){ ** argument of type int. If non-zero, then URI handling is globally ** enabled. If the parameter is zero, then URI handling is globally ** disabled. */ - sqlite3GlobalConfig.bOpenUri = va_arg(ap, int); + int bOpenUri = va_arg(ap, int); + AtomicStore(&sqlite3GlobalConfig.bOpenUri, bOpenUri); break; } @@ -161719,12 +177114,12 @@ SQLITE_API int sqlite3_config(int op, ...){ } #endif /* SQLITE_ENABLE_SORTER_REFERENCES */ -#ifdef SQLITE_ENABLE_DESERIALIZE +#ifndef SQLITE_OMIT_DESERIALIZE case SQLITE_CONFIG_MEMDB_MAXSIZE: { sqlite3GlobalConfig.mxMemdbSize = va_arg(ap, sqlite3_int64); break; } -#endif /* SQLITE_ENABLE_DESERIALIZE */ +#endif /* SQLITE_OMIT_DESERIALIZE */ default: { rc = SQLITE_ERROR; @@ -161826,18 +177221,19 @@ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ db->lookaside.bMalloced = pBuf==0 ?1:0; db->lookaside.nSlot = nBig+nSm; }else{ - db->lookaside.pStart = db; + db->lookaside.pStart = 0; #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE db->lookaside.pSmallInit = 0; db->lookaside.pSmallFree = 0; - db->lookaside.pMiddle = db; + db->lookaside.pMiddle = 0; #endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ - db->lookaside.pEnd = db; + db->lookaside.pEnd = 0; db->lookaside.bDisable = 1; db->lookaside.sz = 0; db->lookaside.bMalloced = 0; db->lookaside.nSlot = 0; } + db->lookaside.pTrueEnd = db->lookaside.pEnd; assert( sqlite3LookasideUsed(db,0)==0 ); #endif /* SQLITE_OMIT_LOOKASIDE */ return SQLITE_OK; @@ -161896,7 +177292,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3 *db){ sqlite3BtreeEnterAll(db); for(i=0; rc==SQLITE_OK && inDb; i++){ Btree *pBt = db->aDb[i].pBt; - if( pBt && sqlite3BtreeIsInTrans(pBt) ){ + if( pBt && sqlite3BtreeTxnState(pBt)==SQLITE_TXN_WRITE ){ Pager *pPager = sqlite3BtreePager(pBt); rc = sqlite3PagerFlush(pPager); if( rc==SQLITE_BUSY ){ @@ -161916,6 +177312,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3 *db){ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ va_list ap; int rc; + sqlite3_mutex_enter(db->mutex); va_start(ap, op); switch( op ){ case SQLITE_DBCONFIG_MAINDBNAME: { @@ -161954,6 +177351,8 @@ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ { SQLITE_DBCONFIG_DQS_DML, SQLITE_DqsDML }, { SQLITE_DBCONFIG_LEGACY_FILE_FORMAT, SQLITE_LegacyFileFmt }, { SQLITE_DBCONFIG_TRUSTED_SCHEMA, SQLITE_TrustedSchema }, + { SQLITE_DBCONFIG_STMT_SCANSTATUS, SQLITE_StmtScanStatus }, + { SQLITE_DBCONFIG_REVERSE_SCANORDER, SQLITE_ReverseOrder }, }; unsigned int i; rc = SQLITE_ERROR; /* IMP: R-42790-23372 */ @@ -161981,6 +177380,7 @@ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ } } va_end(ap); + sqlite3_mutex_leave(db->mutex); return rc; } @@ -162085,7 +177485,7 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3 *db, sqlite3_int64 iRowid) /* ** Return the number of changes in the most recent call to sqlite3_exec(). */ -SQLITE_API int sqlite3_changes(sqlite3 *db){ +SQLITE_API sqlite3_int64 sqlite3_changes64(sqlite3 *db){ #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ){ (void)SQLITE_MISUSE_BKPT; @@ -162094,11 +177494,14 @@ SQLITE_API int sqlite3_changes(sqlite3 *db){ #endif return db->nChange; } +SQLITE_API int sqlite3_changes(sqlite3 *db){ + return (int)sqlite3_changes64(db); +} /* ** Return the number of changes since the database handle was opened. */ -SQLITE_API int sqlite3_total_changes(sqlite3 *db){ +SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3 *db){ #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ){ (void)SQLITE_MISUSE_BKPT; @@ -162107,6 +177510,9 @@ SQLITE_API int sqlite3_total_changes(sqlite3 *db){ #endif return db->nTotalChange; } +SQLITE_API int sqlite3_total_changes(sqlite3 *db){ + return (int)sqlite3_total_changes64(db); +} /* ** Close all open savepoints. This function only manipulates fields of the @@ -162131,7 +177537,9 @@ SQLITE_PRIVATE void sqlite3CloseSavepoints(sqlite3 *db){ ** with SQLITE_ANY as the encoding. */ static void functionDestroy(sqlite3 *db, FuncDef *p){ - FuncDestructor *pDestructor = p->u.pDestructor; + FuncDestructor *pDestructor; + assert( (p->funcFlags & SQLITE_FUNC_BUILTIN)==0 ); + pDestructor = p->u.pDestructor; if( pDestructor ){ pDestructor->nRef--; if( pDestructor->nRef==0 ){ @@ -162235,15 +177643,45 @@ static int sqlite3Close(sqlite3 *db, int forceZombie){ /* Convert the connection into a zombie and then close it. */ - db->magic = SQLITE_MAGIC_ZOMBIE; + db->eOpenState = SQLITE_STATE_ZOMBIE; sqlite3LeaveMutexAndCloseZombie(db); return SQLITE_OK; } +/* +** Return the transaction state for a single databse, or the maximum +** transaction state over all attached databases if zSchema is null. +*/ +SQLITE_API int sqlite3_txn_state(sqlite3 *db, const char *zSchema){ + int iDb, nDb; + int iTxn = -1; +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) ){ + (void)SQLITE_MISUSE_BKPT; + return -1; + } +#endif + sqlite3_mutex_enter(db->mutex); + if( zSchema ){ + nDb = iDb = sqlite3FindDbName(db, zSchema); + if( iDb<0 ) nDb--; + }else{ + iDb = 0; + nDb = db->nDb-1; + } + for(; iDb<=nDb; iDb++){ + Btree *pBt = db->aDb[iDb].pBt; + int x = pBt!=0 ? sqlite3BtreeTxnState(pBt) : SQLITE_TXN_NONE; + if( x>iTxn ) iTxn = x; + } + sqlite3_mutex_leave(db->mutex); + return iTxn; +} + /* ** Two variations on the public interface for closing a database ** connection. The sqlite3_close() version returns SQLITE_BUSY and -** leaves the connection option if there are unfinalized prepared +** leaves the connection open if there are unfinalized prepared ** statements or unfinished sqlite3_backups. The sqlite3_close_v2() ** version forces the connection to become a zombie if there are ** unclosed resources, and arranges for deallocation when the last @@ -162269,7 +177707,7 @@ SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){ ** or if the connection has not yet been closed by sqlite3_close_v2(), ** then just leave the mutex and return. */ - if( db->magic!=SQLITE_MAGIC_ZOMBIE || connectionIsBusy(db) ){ + if( db->eOpenState!=SQLITE_STATE_ZOMBIE || connectionIsBusy(db) ){ sqlite3_mutex_leave(db->mutex); return; } @@ -162355,7 +177793,7 @@ SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){ sqlite3_free(db->auth.zAuthPW); #endif - db->magic = SQLITE_MAGIC_ERROR; + db->eOpenState = SQLITE_STATE_ERROR; /* The temp-database schema is allocated differently from the other schema ** objects (using sqliteMalloc() directly, instead of sqlite3BtreeSchema()). @@ -162364,8 +177802,11 @@ SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){ ** structure? */ sqlite3DbFree(db, db->aDb[1].pSchema); + if( db->xAutovacDestr ){ + db->xAutovacDestr(db->pAutovacPagesArg); + } sqlite3_mutex_leave(db->mutex); - db->magic = SQLITE_MAGIC_CLOSED; + db->eOpenState = SQLITE_STATE_CLOSED; sqlite3_mutex_free(db->mutex); assert( sqlite3LookasideUsed(db,0)==0 ); if( db->lookaside.bMalloced ){ @@ -162400,7 +177841,7 @@ SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3 *db, int tripCode){ for(i=0; inDb; i++){ Btree *p = db->aDb[i].pBt; if( p ){ - if( sqlite3BtreeIsInTrans(p) ){ + if( sqlite3BtreeTxnState(p)==SQLITE_TXN_WRITE ){ inTrans = 1; } sqlite3BtreeRollback(p, tripCode, !schemaChange); @@ -162418,7 +177859,7 @@ SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3 *db, int tripCode){ /* Any deferred constraint violations have now been resolved. */ db->nDeferredCons = 0; db->nDeferredImmCons = 0; - db->flags &= ~(u64)SQLITE_DeferFKs; + db->flags &= ~(u64)(SQLITE_DeferFKs|SQLITE_CorruptRdOnly); /* If one has been configured, invoke the rollback-hook callback */ if( db->xRollbackCallback && (inTrans || !db->autoCommit) ){ @@ -162524,6 +177965,7 @@ SQLITE_PRIVATE const char *sqlite3ErrName(int rc){ case SQLITE_NOTICE_RECOVER_WAL: zName = "SQLITE_NOTICE_RECOVER_WAL";break; case SQLITE_NOTICE_RECOVER_ROLLBACK: zName = "SQLITE_NOTICE_RECOVER_ROLLBACK"; break; + case SQLITE_NOTICE_RBU: zName = "SQLITE_NOTICE_RBU"; break; case SQLITE_WARNING: zName = "SQLITE_WARNING"; break; case SQLITE_WARNING_AUTOINDEX: zName = "SQLITE_WARNING_AUTOINDEX"; break; case SQLITE_DONE: zName = "SQLITE_DONE"; break; @@ -162616,9 +178058,9 @@ static int sqliteDefaultBusyCallback( void *ptr, /* Database connection */ int count /* Number of times table has been busy */ ){ -#if SQLITE_OS_WIN || HAVE_USLEEP +#if SQLITE_OS_WIN || !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP /* This case is for systems that have support for sleeping for fractions of - ** a second. Examples: All windows systems, unix systems with usleep() */ + ** a second. Examples: All windows systems, unix systems with nanosleep() */ static const u8 delays[] = { 1, 2, 5, 10, 15, 20, 25, 25, 25, 50, 50, 100 }; static const u8 totals[] = @@ -162753,7 +178195,9 @@ SQLITE_API int sqlite3_busy_timeout(sqlite3 *db, int ms){ */ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ #ifdef SQLITE_ENABLE_API_ARMOR - if( !sqlite3SafetyCheckOk(db) && (db==0 || db->magic!=SQLITE_MAGIC_ZOMBIE) ){ + if( !sqlite3SafetyCheckOk(db) + && (db==0 || db->eOpenState!=SQLITE_STATE_ZOMBIE) + ){ (void)SQLITE_MISUSE_BKPT; return; } @@ -162761,6 +178205,21 @@ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ AtomicStore(&db->u1.isInterrupted, 1); } +/* +** Return true or false depending on whether or not an interrupt is +** pending on connection db. +*/ +SQLITE_API int sqlite3_is_interrupted(sqlite3 *db){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) + && (db==0 || db->eOpenState!=SQLITE_STATE_ZOMBIE) + ){ + (void)SQLITE_MISUSE_BKPT; + return 0; + } +#endif + return AtomicLoad(&db->u1.isInterrupted)!=0; +} /* ** This function is exactly the same as sqlite3_create_function(), except @@ -162782,7 +178241,6 @@ SQLITE_PRIVATE int sqlite3CreateFunc( FuncDestructor *pDestructor ){ FuncDef *p; - int nName; int extraFlags; assert( sqlite3_mutex_held(db->mutex) ); @@ -162792,7 +178250,7 @@ SQLITE_PRIVATE int sqlite3CreateFunc( || ((xFinal==0)!=(xStep==0)) /* Both or neither of xFinal and xStep */ || ((xValue==0)!=(xInverse==0)) /* Both or neither of xValue, xInverse */ || (nArg<-1 || nArg>SQLITE_MAX_FUNCTION_ARG) - || (255<(nName = sqlite3Strlen30( zFunctionName))) + || (255nRef==0 ){ - assert( rc!=SQLITE_OK ); + assert( rc!=SQLITE_OK || (xStep==0 && xFinal==0) ); xDestroy(p); sqlite3_free(pArg); } @@ -163062,7 +178535,7 @@ SQLITE_API int sqlite3_overload_function( rc = sqlite3FindFunction(db, zName, nArg, SQLITE_UTF8, 0)!=0; sqlite3_mutex_leave(db->mutex); if( rc ) return SQLITE_OK; - zCopy = sqlite3_mprintf(zName); + zCopy = sqlite3_mprintf("%s", zName); if( zCopy==0 ) return SQLITE_NOMEM; return sqlite3_create_function_v2(db, zName, nArg, SQLITE_UTF8, zCopy, sqlite3InvalidFunction, 0, 0, sqlite3_free); @@ -163251,6 +178724,34 @@ SQLITE_API void *sqlite3_preupdate_hook( } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ +/* +** Register a function to be invoked prior to each autovacuum that +** determines the number of pages to vacuum. +*/ +SQLITE_API int sqlite3_autovacuum_pages( + sqlite3 *db, /* Attach the hook to this database */ + unsigned int (*xCallback)(void*,const char*,u32,u32,u32), + void *pArg, /* Argument to the function */ + void (*xDestructor)(void*) /* Destructor for pArg */ +){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) ){ + if( xDestructor ) xDestructor(pArg); + return SQLITE_MISUSE_BKPT; + } +#endif + sqlite3_mutex_enter(db->mutex); + if( db->xAutovacDestr ){ + db->xAutovacDestr(db->pAutovacPagesArg); + } + db->xAutovacPages = xCallback; + db->pAutovacPagesArg = pArg; + db->xAutovacDestr = xDestructor; + sqlite3_mutex_leave(db->mutex); + return SQLITE_OK; +} + + #ifndef SQLITE_OMIT_WAL /* ** The sqlite3_wal_hook() callback registered by sqlite3_wal_autocheckpoint(). @@ -163343,7 +178844,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( return SQLITE_OK; #else int rc; /* Return code */ - int iDb = SQLITE_MAX_ATTACHED; /* sqlite3.aDb[] index of db to checkpoint */ + int iDb; /* Schema to checkpoint */ #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT; @@ -163366,6 +178867,8 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( sqlite3_mutex_enter(db->mutex); if( zDb && zDb[0] ){ iDb = sqlite3FindDbName(db, zDb); + }else{ + iDb = SQLITE_MAX_DB; /* This means process all schemas */ } if( iDb<0 ){ rc = SQLITE_ERROR; @@ -163414,7 +178917,7 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb){ ** associated with the specific b-tree being checkpointed is taken by ** this function while the checkpoint is running. ** -** If iDb is passed SQLITE_MAX_ATTACHED, then all attached databases are +** If iDb is passed SQLITE_MAX_DB then all attached databases are ** checkpointed. If an error is encountered it is returned immediately - ** no attempt is made to checkpoint any remaining databases. ** @@ -163429,9 +178932,11 @@ SQLITE_PRIVATE int sqlite3Checkpoint(sqlite3 *db, int iDb, int eMode, int *pnLog assert( sqlite3_mutex_held(db->mutex) ); assert( !pnLog || *pnLog==-1 ); assert( !pnCkpt || *pnCkpt==-1 ); + testcase( iDb==SQLITE_MAX_ATTACHED ); /* See forum post a006d86f72 */ + testcase( iDb==SQLITE_MAX_DB ); for(i=0; inDb && rc==SQLITE_OK; i++){ - if( i==iDb || iDb==SQLITE_MAX_ATTACHED ){ + if( i==iDb || iDb==SQLITE_MAX_DB ){ rc = sqlite3BtreeCheckpoint(db->aDb[i].pBt, eMode, pnLog, pnCkpt); pnLog = 0; pnCkpt = 0; @@ -163509,6 +179014,19 @@ SQLITE_API const char *sqlite3_errmsg(sqlite3 *db){ return z; } +/* +** Return the byte offset of the most recent error +*/ +SQLITE_API int sqlite3_error_offset(sqlite3 *db){ + int iOffset = -1; + if( db && sqlite3SafetyCheckSickOrOk(db) && db->errCode ){ + sqlite3_mutex_enter(db->mutex); + iOffset = db->errByteOffset; + sqlite3_mutex_leave(db->mutex); + } + return iOffset; +} + #ifndef SQLITE_OMIT_UTF16 /* ** Return UTF-16 encoded English language explanation of the most recent @@ -163769,6 +179287,8 @@ SQLITE_API int sqlite3_limit(sqlite3 *db, int limitId, int newLimit){ if( newLimit>=0 ){ /* IMP: R-52476-28732 */ if( newLimit>aHardLimit[limitId] ){ newLimit = aHardLimit[limitId]; /* IMP: R-51463-25634 */ + }else if( newLimit<1 && limitId==SQLITE_LIMIT_LENGTH ){ + newLimit = 1; } db->aLimit[limitId] = newLimit; } @@ -163818,9 +179338,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( assert( *pzErrMsg==0 ); - if( ((flags & SQLITE_OPEN_URI) /* IMP: R-48725-32206 */ - || sqlite3GlobalConfig.bOpenUri) /* IMP: R-51689-46548 */ - && nUri>=5 && memcmp(zUri, "file:", 5)==0 /* IMP: R-57884-37496 */ + if( ((flags & SQLITE_OPEN_URI) /* IMP: R-48725-32206 */ + || AtomicLoad(&sqlite3GlobalConfig.bOpenUri)) /* IMP: R-51689-46548 */ + && nUri>=5 && memcmp(zUri, "file:", 5)==0 /* IMP: R-57884-37496 */ ){ char *zOpt; int eState; /* Parser state when parsing URI */ @@ -164040,7 +179560,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( */ static const char *uriParameter(const char *zFilename, const char *zParam){ zFilename += sqlite3Strlen30(zFilename) + 1; - while( zFilename[0] ){ + while( ALWAYS(zFilename!=0) && zFilename[0] ){ int x = strcmp(zFilename, zParam); zFilename += sqlite3Strlen30(zFilename) + 1; if( x==0 ) return zFilename; @@ -164100,8 +179620,8 @@ static int openDatabase( ** dealt with in the previous code block. Besides these, the only ** valid input flags for sqlite3_open_v2() are SQLITE_OPEN_READONLY, ** SQLITE_OPEN_READWRITE, SQLITE_OPEN_CREATE, SQLITE_OPEN_SHAREDCACHE, - ** SQLITE_OPEN_PRIVATECACHE, and some reserved bits. Silently mask - ** off all other flags. + ** SQLITE_OPEN_PRIVATECACHE, SQLITE_OPEN_EXRESCODE, and some reserved + ** bits. Silently mask off all other flags. */ flags &= ~( SQLITE_OPEN_DELETEONCLOSE | SQLITE_OPEN_EXCLUSIVE | @@ -164136,9 +179656,9 @@ static int openDatabase( } } sqlite3_mutex_enter(db->mutex); - db->errMask = 0xff; + db->errMask = (flags & SQLITE_OPEN_EXRESCODE)!=0 ? 0xffffffff : 0xff; db->nDb = 2; - db->magic = SQLITE_MAGIC_BUSY; + db->eOpenState = SQLITE_STATE_BUSY; db->aDb = db->aDbStatic; db->lookaside.bDisable = 1; db->lookaside.sz = 0; @@ -164150,7 +179670,15 @@ static int openDatabase( db->nextAutovac = -1; db->szMmap = sqlite3GlobalConfig.szMmap; db->nextPagesize = 0; + db->init.azInit = sqlite3StdType; /* Any array of string ptrs will do */ +#ifdef SQLITE_ENABLE_SORTER_MMAP + /* Beginning with version 3.37.0, using the VFS xFetch() API to memory-map + ** the temporary files used to do external sorts (see code in vdbesort.c) + ** is disabled. It can still be used either by defining + ** SQLITE_ENABLE_SORTER_MMAP at compile time or by using the + ** SQLITE_TESTCTRL_SORTER_MMAP test-control at runtime. */ db->nMaxSorterMmap = 0x7FFFFFFF; +#endif db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_EnableView @@ -164170,7 +179698,7 @@ static int openDatabase( ** 0 off off ** ** Legacy behavior is 3 (double-quoted string literals are allowed anywhere) -** and so that is the default. But developers are encouranged to use +** and so that is the default. But developers are encouraged to use ** -DSQLITE_DQS=0 (best) or -DSQLITE_DQS=1 (second choice) if possible. */ #if !defined(SQLITE_DQS) @@ -164218,6 +179746,9 @@ static int openDatabase( #endif #if defined(SQLITE_DEFAULT_LEGACY_ALTER_TABLE) | SQLITE_LegacyAlter +#endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) + | SQLITE_StmtScanStatus #endif ; sqlite3HashInit(&db->aCollSeq); @@ -164241,6 +179772,19 @@ static int openDatabase( goto opendb_out; } +#if SQLITE_OS_UNIX && defined(SQLITE_OS_KV_OPTIONAL) + /* Process magic filenames ":localStorage:" and ":sessionStorage:" */ + if( zFilename && zFilename[0]==':' ){ + if( strcmp(zFilename, ":localStorage:")==0 ){ + zFilename = "file:local?vfs=kvvfs"; + flags |= SQLITE_OPEN_URI; + }else if( strcmp(zFilename, ":sessionStorage:")==0 ){ + zFilename = "file:session?vfs=kvvfs"; + flags |= SQLITE_OPEN_URI; + } + } +#endif /* SQLITE_OS_UNIX && defined(SQLITE_OS_KV_OPTIONAL) */ + /* Parse the filename/URI argument ** ** Only allow sensible combinations of bits in the flags argument. @@ -164271,6 +179815,12 @@ static int openDatabase( sqlite3_free(zErrMsg); goto opendb_out; } + assert( db->pVfs!=0 ); +#if SQLITE_OS_KV || defined(SQLITE_OS_KV_OPTIONAL) + if( sqlite3_stricmp(db->pVfs->zName, "kvvfs")==0 ){ + db->temp_store = 2; + } +#endif /* Open the backend database driver */ rc = sqlite3BtreeOpen(db->pVfs, zOpen, db, &db->aDb[0].pBt, 0, @@ -164298,7 +179848,7 @@ static int openDatabase( db->aDb[1].zDbSName = "temp"; db->aDb[1].safety_level = PAGER_SYNCHRONOUS_OFF; - db->magic = SQLITE_MAGIC_OPEN; + db->eOpenState = SQLITE_STATE_OPEN; if( db->mallocFailed ){ goto opendb_out; } @@ -164360,12 +179910,12 @@ static int openDatabase( sqlite3_mutex_leave(db->mutex); } rc = sqlite3_errcode(db); - assert( db!=0 || rc==SQLITE_NOMEM ); - if( rc==SQLITE_NOMEM ){ + assert( db!=0 || (rc&0xff)==SQLITE_NOMEM ); + if( (rc&0xff)==SQLITE_NOMEM ){ sqlite3_close(db); db = 0; }else if( rc!=SQLITE_OK ){ - db->magic = SQLITE_MAGIC_SICK; + db->eOpenState = SQLITE_STATE_SICK; } *ppDb = db; #ifdef SQLITE_ENABLE_SQLLOG @@ -164376,7 +179926,7 @@ static int openDatabase( } #endif sqlite3_free_filename(zOpen); - return rc & 0xff; + return rc; } @@ -164676,18 +180226,18 @@ SQLITE_API int sqlite3_table_column_metadata( /* Locate the table in question */ pTab = sqlite3FindTable(db, zTableName, zDbName); - if( !pTab || pTab->pSelect ){ + if( !pTab || IsView(pTab) ){ pTab = 0; goto error_out; } /* Find the column for which info is requested */ if( zColumnName==0 ){ - /* Query for existance of table only */ + /* Query for existence of table only */ }else{ for(iCol=0; iColnCol; iCol++){ pCol = &pTab->aCol[iCol]; - if( 0==sqlite3StrICmp(pCol->zName, zColumnName) ){ + if( 0==sqlite3StrICmp(pCol->zCnName, zColumnName) ){ break; } } @@ -164714,7 +180264,7 @@ SQLITE_API int sqlite3_table_column_metadata( */ if( pCol ){ zDataType = sqlite3ColumnType(pCol,0); - zCollSeq = pCol->zColl; + zCollSeq = sqlite3ColumnColl(pCol); notnull = pCol->notNull!=0; primarykey = (pCol->colFlags & COLFLAG_PRIMKEY)!=0; autoinc = pTab->iPKey==iCol && (pTab->tabFlags & TF_Autoincrement)!=0; @@ -164764,7 +180314,7 @@ SQLITE_API int sqlite3_sleep(int ms){ /* This function works in milliseconds, but the underlying OsSleep() ** API uses microseconds. Hence the 1000's. */ - rc = (sqlite3OsSleep(pVfs, 1000*ms)/1000); + rc = (sqlite3OsSleep(pVfs, ms<0 ? 0 : 1000*ms)/1000); return rc; } @@ -164820,8 +180370,13 @@ SQLITE_API int sqlite3_file_control(sqlite3 *db, const char *zDbName, int op, vo sqlite3BtreeSetPageSize(pBtree, 0, iNew, 0); } rc = SQLITE_OK; + }else if( op==SQLITE_FCNTL_RESET_CACHE ){ + sqlite3BtreeClearCache(pBtree); + rc = SQLITE_OK; }else{ + int nSave = db->busyHandler.nBusy; rc = sqlite3OsFileControl(fd, op, pArg); + db->busyHandler.nBusy = nSave; } sqlite3BtreeLeave(pBtree); } @@ -164919,12 +180474,16 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** sqlite3_test_control(). */ case SQLITE_TESTCTRL_FAULT_INSTALL: { - /* MSVC is picky about pulling func ptrs from va lists. - ** http://support.microsoft.com/kb/47961 + /* A bug in MSVC prevents it from understanding pointers to functions + ** types in the second argument to va_arg(). Work around the problem + ** using a typedef. + ** http://support.microsoft.com/kb/47961 <-- dead hyperlink + ** Search at http://web.archive.org/ to find the 2015-03-16 archive + ** of the link above to see the original text. ** sqlite3GlobalConfig.xTestCallback = va_arg(ap, int(*)(int)); */ - typedef int(*TESTCALLBACKFUNC_t)(int); - sqlite3GlobalConfig.xTestCallback = va_arg(ap, TESTCALLBACKFUNC_t); + typedef int(*sqlite3FaultFuncType)(int); + sqlite3GlobalConfig.xTestCallback = va_arg(ap, sqlite3FaultFuncType); rc = sqlite3FaultSim(0); break; } @@ -164983,6 +180542,30 @@ SQLITE_API int sqlite3_test_control(int op, ...){ volatile int x = 0; assert( /*side-effects-ok*/ (x = va_arg(ap,int))!=0 ); rc = x; +#if defined(SQLITE_DEBUG) + /* Invoke these debugging routines so that the compiler does not + ** issue "defined but not used" warnings. */ + if( x==9999 ){ + sqlite3ShowExpr(0); + sqlite3ShowExpr(0); + sqlite3ShowExprList(0); + sqlite3ShowIdList(0); + sqlite3ShowSrcList(0); + sqlite3ShowWith(0); + sqlite3ShowUpsert(0); +#ifndef SQLITE_OMIT_TRIGGER + sqlite3ShowTriggerStep(0); + sqlite3ShowTriggerStepList(0); + sqlite3ShowTrigger(0); + sqlite3ShowTriggerList(0); +#endif +#ifndef SQLITE_OMIT_WINDOWFUNC + sqlite3ShowWindow(0); + sqlite3ShowWinFunc(0); +#endif + sqlite3ShowSelect(0); + } +#endif break; } @@ -165047,17 +180630,31 @@ SQLITE_API int sqlite3_test_control(int op, ...){ */ case SQLITE_TESTCTRL_OPTIMIZATIONS: { sqlite3 *db = va_arg(ap, sqlite3*); - db->dbOptFlags = (u16)(va_arg(ap, int) & 0xffff); + db->dbOptFlags = va_arg(ap, u32); break; } - /* sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, int onoff); + /* sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, onoff, xAlt); ** - ** If parameter onoff is non-zero, subsequent calls to localtime() - ** and its variants fail. If onoff is zero, undo this setting. + ** If parameter onoff is 1, subsequent calls to localtime() fail. + ** If 2, then invoke xAlt() instead of localtime(). If 0, normal + ** processing. + ** + ** xAlt arguments are void pointers, but they really want to be: + ** + ** int xAlt(const time_t*, struct tm*); + ** + ** xAlt should write results in to struct tm object of its 2nd argument + ** and return zero on success, or return non-zero on failure. */ case SQLITE_TESTCTRL_LOCALTIME_FAULT: { sqlite3GlobalConfig.bLocaltimeFault = va_arg(ap, int); + if( sqlite3GlobalConfig.bLocaltimeFault==2 ){ + typedef int(*sqlite3LocaltimeType)(const void*,void*); + sqlite3GlobalConfig.xAltLocaltime = va_arg(ap, sqlite3LocaltimeType); + }else{ + sqlite3GlobalConfig.xAltLocaltime = 0; + } break; } @@ -165078,7 +180675,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** formed and never corrupt. This flag is clear by default, indicating that ** database files might have arbitrary corruption. Setting the flag during ** testing causes certain assert() statements in the code to be activated - ** that demonstrat invariants on well-formed database files. + ** that demonstrate invariants on well-formed database files. */ case SQLITE_TESTCTRL_NEVER_CORRUPT: { sqlite3GlobalConfig.neverCorrupt = va_arg(ap, int); @@ -165162,12 +180759,16 @@ SQLITE_API int sqlite3_test_control(int op, ...){ */ case SQLITE_TESTCTRL_IMPOSTER: { sqlite3 *db = va_arg(ap, sqlite3*); + int iDb; sqlite3_mutex_enter(db->mutex); - db->init.iDb = sqlite3FindDbName(db, va_arg(ap,const char*)); - db->init.busy = db->init.imposterTable = va_arg(ap,int); - db->init.newTnum = va_arg(ap,int); - if( db->init.busy==0 && db->init.newTnum>0 ){ - sqlite3ResetAllSchemasOfConnection(db); + iDb = sqlite3FindDbName(db, va_arg(ap,const char*)); + if( iDb>=0 ){ + db->init.iDb = iDb; + db->init.busy = db->init.imposterTable = va_arg(ap,int); + db->init.newTnum = va_arg(ap,int); + if( db->init.busy==0 && db->init.newTnum>0 ){ + sqlite3ResetAllSchemasOfConnection(db); + } } sqlite3_mutex_leave(db->mutex); break; @@ -165204,6 +180805,113 @@ SQLITE_API int sqlite3_test_control(int op, ...){ sqlite3ResultIntReal(pCtx); break; } + + /* sqlite3_test_control(SQLITE_TESTCTRL_SEEK_COUNT, + ** sqlite3 *db, // Database connection + ** u64 *pnSeek // Write seek count here + ** ); + ** + ** This test-control queries the seek-counter on the "main" database + ** file. The seek-counter is written into *pnSeek and is then reset. + ** The seek-count is only available if compiled with SQLITE_DEBUG. + */ + case SQLITE_TESTCTRL_SEEK_COUNT: { + sqlite3 *db = va_arg(ap, sqlite3*); + u64 *pn = va_arg(ap, sqlite3_uint64*); + *pn = sqlite3BtreeSeekCount(db->aDb->pBt); + (void)db; /* Silence harmless unused variable warning */ + break; + } + + /* sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, op, ptr) + ** + ** "ptr" is a pointer to a u32. + ** + ** op==0 Store the current sqlite3TreeTrace in *ptr + ** op==1 Set sqlite3TreeTrace to the value *ptr + ** op==2 Store the current sqlite3WhereTrace in *ptr + ** op==3 Set sqlite3WhereTrace to the value *ptr + */ + case SQLITE_TESTCTRL_TRACEFLAGS: { + int opTrace = va_arg(ap, int); + u32 *ptr = va_arg(ap, u32*); + switch( opTrace ){ + case 0: *ptr = sqlite3TreeTrace; break; + case 1: sqlite3TreeTrace = *ptr; break; + case 2: *ptr = sqlite3WhereTrace; break; + case 3: sqlite3WhereTrace = *ptr; break; + } + break; + } + + /* sqlite3_test_control(SQLITE_TESTCTRL_LOGEST, + ** double fIn, // Input value + ** int *pLogEst, // sqlite3LogEstFromDouble(fIn) + ** u64 *pInt, // sqlite3LogEstToInt(*pLogEst) + ** int *pLogEst2 // sqlite3LogEst(*pInt) + ** ); + ** + ** Test access for the LogEst conversion routines. + */ + case SQLITE_TESTCTRL_LOGEST: { + double rIn = va_arg(ap, double); + LogEst rLogEst = sqlite3LogEstFromDouble(rIn); + int *pI1 = va_arg(ap,int*); + u64 *pU64 = va_arg(ap,u64*); + int *pI2 = va_arg(ap,int*); + *pI1 = rLogEst; + *pU64 = sqlite3LogEstToInt(rLogEst); + *pI2 = sqlite3LogEst(*pU64); + break; + } + +#if !defined(SQLITE_OMIT_WSD) + /* sqlite3_test_control(SQLITE_TESTCTRL_USELONGDOUBLE, int X); + ** + ** X<0 Make no changes to the bUseLongDouble. Just report value. + ** X==0 Disable bUseLongDouble + ** X==1 Enable bUseLongDouble + ** X==2 Set bUseLongDouble to its default value for this platform + */ + case SQLITE_TESTCTRL_USELONGDOUBLE: { + int b = va_arg(ap, int); + if( b==2 ) b = sizeof(LONGDOUBLE_TYPE)>8; + if( b>=0 ) sqlite3Config.bUseLongDouble = b>0; + rc = sqlite3Config.bUseLongDouble!=0; + break; + } +#endif + + +#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_WSD) + /* sqlite3_test_control(SQLITE_TESTCTRL_TUNE, id, *piValue) + ** + ** If "id" is an integer between 1 and SQLITE_NTUNE then set the value + ** of the id-th tuning parameter to *piValue. If "id" is between -1 + ** and -SQLITE_NTUNE, then write the current value of the (-id)-th + ** tuning parameter into *piValue. + ** + ** Tuning parameters are for use during transient development builds, + ** to help find the best values for constants in the query planner. + ** Access tuning parameters using the Tuning(ID) macro. Set the + ** parameters in the CLI using ".testctrl tune ID VALUE". + ** + ** Transient use only. Tuning parameters should not be used in + ** checked-in code. + */ + case SQLITE_TESTCTRL_TUNE: { + int id = va_arg(ap, int); + int *piValue = va_arg(ap, int*); + if( id>0 && id<=SQLITE_NTUNE ){ + Tuning(id) = *piValue; + }else if( id<0 && id>=-SQLITE_NTUNE ){ + *piValue = Tuning(-id); + }else{ + rc = SQLITE_NOTFOUND; + } + break; + } +#endif } va_end(ap); #endif /* SQLITE_UNTESTABLE */ @@ -165244,7 +180952,7 @@ static char *appendText(char *p, const char *z){ ** Memory layout must be compatible with that generated by the pager ** and expected by sqlite3_uri_parameter() and databaseName(). */ -SQLITE_API char *sqlite3_create_filename( +SQLITE_API const char *sqlite3_create_filename( const char *zDatabase, const char *zJournal, const char *zWal, @@ -165280,10 +180988,10 @@ SQLITE_API char *sqlite3_create_filename( ** error to call this routine with any parameter other than a pointer ** previously obtained from sqlite3_create_filename() or a NULL pointer. */ -SQLITE_API void sqlite3_free_filename(char *p){ +SQLITE_API void sqlite3_free_filename(const char *p){ if( p==0 ) return; - p = (char*)databaseName(p); - sqlite3_free(p - 4); + p = databaseName(p); + sqlite3_free((char*)p - 4); } @@ -165311,7 +181019,7 @@ SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N){ if( zFilename==0 || N<0 ) return 0; zFilename = databaseName(zFilename); zFilename += sqlite3Strlen30(zFilename) + 1; - while( zFilename[0] && (N--)>0 ){ + while( ALWAYS(zFilename) && zFilename[0] && (N--)>0 ){ zFilename += sqlite3Strlen30(zFilename) + 1; zFilename += sqlite3Strlen30(zFilename) + 1; } @@ -165354,12 +181062,14 @@ SQLITE_API sqlite3_int64 sqlite3_uri_int64( ** corruption. */ SQLITE_API const char *sqlite3_filename_database(const char *zFilename){ + if( zFilename==0 ) return 0; return databaseName(zFilename); } SQLITE_API const char *sqlite3_filename_journal(const char *zFilename){ + if( zFilename==0 ) return 0; zFilename = databaseName(zFilename); zFilename += sqlite3Strlen30(zFilename) + 1; - while( zFilename[0] ){ + while( ALWAYS(zFilename) && zFilename[0] ){ zFilename += sqlite3Strlen30(zFilename) + 1; zFilename += sqlite3Strlen30(zFilename) + 1; } @@ -165370,7 +181080,7 @@ SQLITE_API const char *sqlite3_filename_wal(const char *zFilename){ return 0; #else zFilename = sqlite3_filename_journal(zFilename); - zFilename += sqlite3Strlen30(zFilename) + 1; + if( zFilename ) zFilename += sqlite3Strlen30(zFilename) + 1; return zFilename; #endif } @@ -165383,6 +181093,24 @@ SQLITE_PRIVATE Btree *sqlite3DbNameToBtree(sqlite3 *db, const char *zDbName){ return iDb<0 ? 0 : db->aDb[iDb].pBt; } +/* +** Return the name of the N-th database schema. Return NULL if N is out +** of range. +*/ +SQLITE_API const char *sqlite3_db_name(sqlite3 *db, int N){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) ){ + (void)SQLITE_MISUSE_BKPT; + return 0; + } +#endif + if( N<0 || N>=db->nDb ){ + return 0; + }else{ + return db->aDb[N].zDbSName; + } +} + /* ** Return the filename of the database associated with a database ** connection. @@ -165439,7 +181167,7 @@ SQLITE_API int sqlite3_snapshot_get( int iDb = sqlite3FindDbName(db, zDb); if( iDb==0 || iDb>1 ){ Btree *pBt = db->aDb[iDb].pBt; - if( 0==sqlite3BtreeIsInTrans(pBt) ){ + if( SQLITE_TXN_WRITE!=sqlite3BtreeTxnState(pBt) ){ rc = sqlite3BtreeBeginTrans(pBt, 0, 0); if( rc==SQLITE_OK ){ rc = sqlite3PagerSnapshotGet(sqlite3BtreePager(pBt), ppSnapshot); @@ -165454,7 +181182,7 @@ SQLITE_API int sqlite3_snapshot_get( } /* -** Open a read-transaction on the snapshot idendified by pSnapshot. +** Open a read-transaction on the snapshot identified by pSnapshot. */ SQLITE_API int sqlite3_snapshot_open( sqlite3 *db, @@ -165475,10 +181203,10 @@ SQLITE_API int sqlite3_snapshot_open( iDb = sqlite3FindDbName(db, zDb); if( iDb==0 || iDb>1 ){ Btree *pBt = db->aDb[iDb].pBt; - if( sqlite3BtreeIsInTrans(pBt)==0 ){ + if( sqlite3BtreeTxnState(pBt)!=SQLITE_TXN_WRITE ){ Pager *pPager = sqlite3BtreePager(pBt); int bUnlock = 0; - if( sqlite3BtreeIsInReadTrans(pBt) ){ + if( sqlite3BtreeTxnState(pBt)!=SQLITE_TXN_NONE ){ if( db->nVdbeActive==0 ){ rc = sqlite3PagerSnapshotCheck(pPager, pSnapshot); if( rc==SQLITE_OK ){ @@ -165514,8 +181242,8 @@ SQLITE_API int sqlite3_snapshot_open( */ SQLITE_API int sqlite3_snapshot_recover(sqlite3 *db, const char *zDb){ int rc = SQLITE_ERROR; - int iDb; #ifndef SQLITE_OMIT_WAL + int iDb; #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ){ @@ -165527,7 +181255,7 @@ SQLITE_API int sqlite3_snapshot_recover(sqlite3 *db, const char *zDb){ iDb = sqlite3FindDbName(db, zDb); if( iDb==0 || iDb>1 ){ Btree *pBt = db->aDb[iDb].pBt; - if( 0==sqlite3BtreeIsInReadTrans(pBt) ){ + if( SQLITE_TXN_NONE==sqlite3BtreeTxnState(pBt) ){ rc = sqlite3BtreeBeginTrans(pBt, 0, 0); if( rc==SQLITE_OK ){ rc = sqlite3PagerSnapshotRecover(sqlite3BtreePager(pBt)); @@ -166646,7 +182374,7 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi ** is used for assert() conditions that are true only if it can be ** guranteed that the database is not corrupt. */ -#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) +#ifdef SQLITE_DEBUG SQLITE_API extern int sqlite3_fts3_may_be_corrupt; # define assert_fts3_nc(x) assert(sqlite3_fts3_may_be_corrupt || (x)) #else @@ -166663,17 +182391,18 @@ SQLITE_API extern int sqlite3_fts3_may_be_corrupt; ** Macros indicating that conditional expressions are always true or ** false. */ -#ifdef SQLITE_COVERAGE_TEST -# define ALWAYS(x) (1) -# define NEVER(X) (0) -#elif defined(SQLITE_DEBUG) -# define ALWAYS(x) sqlite3Fts3Always((x)!=0) -# define NEVER(x) sqlite3Fts3Never((x)!=0) -SQLITE_PRIVATE int sqlite3Fts3Always(int b); -SQLITE_PRIVATE int sqlite3Fts3Never(int b); +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_MUTATION_TEST) +# define SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS 1 +#endif +#if defined(SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS) +# define ALWAYS(X) (1) +# define NEVER(X) (0) +#elif !defined(NDEBUG) +# define ALWAYS(X) ((X)?1:(assert(0),0)) +# define NEVER(X) ((X)?(assert(0),1):0) #else -# define ALWAYS(x) (x) -# define NEVER(x) (x) +# define ALWAYS(X) (X) +# define NEVER(X) (X) #endif /* @@ -167069,7 +182798,7 @@ struct Fts3MultiSegReader { int nAdvance; /* How many seg-readers to advance */ Fts3SegFilter *pFilter; /* Pointer to filter object */ char *aBuffer; /* Buffer to merge doclists in */ - int nBuffer; /* Allocated size of aBuffer[] in bytes */ + i64 nBuffer; /* Allocated size of aBuffer[] in bytes */ int iColFilter; /* If >=0, filter for this column */ int bRestart; @@ -167132,6 +182861,7 @@ SQLITE_PRIVATE void sqlite3Fts3ExprFree(Fts3Expr *); SQLITE_PRIVATE int sqlite3Fts3ExprInitTestInterface(sqlite3 *db, Fts3Hash*); SQLITE_PRIVATE int sqlite3Fts3InitTerm(sqlite3 *db); #endif +SQLITE_PRIVATE void *sqlite3Fts3MallocZero(i64 nByte); SQLITE_PRIVATE int sqlite3Fts3OpenTokenizer(sqlite3_tokenizer *, int, const char *, int, sqlite3_tokenizer_cursor ** @@ -167151,7 +182881,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrOvfl(Fts3Cursor *, Fts3MultiSegReader *, int *) SQLITE_PRIVATE int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr); /* fts3_tokenize_vtab.c */ -SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3*, Fts3Hash *); +SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3*, Fts3Hash *, void(*xDestroy)(void*)); /* fts3_unicode2.c (functions generated by parsing unicode text files) */ #ifndef SQLITE_DISABLE_FTS3_UNICODE @@ -167160,6 +182890,8 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsalnum(int); SQLITE_PRIVATE int sqlite3FtsUnicodeIsdiacritic(int); #endif +SQLITE_PRIVATE int sqlite3Fts3ExprIterate(Fts3Expr*, int (*x)(Fts3Expr*,int,void*), void*); + #endif /* !SQLITE_CORE || SQLITE_ENABLE_FTS3 */ #endif /* _FTSINT_H */ @@ -167184,25 +182916,26 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsdiacritic(int); SQLITE_EXTENSION_INIT1 #endif +typedef struct Fts3HashWrapper Fts3HashWrapper; +struct Fts3HashWrapper { + Fts3Hash hash; /* Hash table */ + int nRef; /* Number of pointers to this object */ +}; + static int fts3EvalNext(Fts3Cursor *pCsr); static int fts3EvalStart(Fts3Cursor *pCsr); static int fts3TermSegReaderCursor( Fts3Cursor *, const char *, int, int, Fts3MultiSegReader **); -#ifndef SQLITE_AMALGAMATION -# if defined(SQLITE_DEBUG) -SQLITE_PRIVATE int sqlite3Fts3Always(int b) { assert( b ); return b; } -SQLITE_PRIVATE int sqlite3Fts3Never(int b) { assert( !b ); return b; } -# endif -#endif - /* ** This variable is set to false when running tests for which the on disk ** structures should not be corrupt. Otherwise, true. If it is false, extra ** assert() conditions in the fts3 code are activated - conditions that are ** only true if it is guaranteed that the fts3 database is not corrupt. */ +#ifdef SQLITE_DEBUG SQLITE_API int sqlite3_fts3_may_be_corrupt = 1; +#endif /* ** Write a 64-bit variable-length integer to memory starting at p[0]. @@ -168053,7 +183786,7 @@ static int fts3InitVtab( sqlite3_vtab **ppVTab, /* Write the resulting vtab structure here */ char **pzErr /* Write any error message here */ ){ - Fts3Hash *pHash = (Fts3Hash *)pAux; + Fts3Hash *pHash = &((Fts3HashWrapper*)pAux)->hash; Fts3Table *p = 0; /* Pointer to allocated vtab */ int rc = SQLITE_OK; /* Return code */ int i; /* Iterator variable */ @@ -168773,7 +184506,7 @@ static int fts3ScanInteriorNode( char *zBuffer = 0; /* Buffer to load terms into */ i64 nAlloc = 0; /* Size of allocated buffer */ int isFirstTerm = 1; /* True when processing first term on page */ - sqlite3_int64 iChild; /* Block id of child node to descend to */ + u64 iChild; /* Block id of child node to descend to */ int nBuffer = 0; /* Total term size */ /* Skip over the 'height' varint that occurs at the start of every @@ -168789,8 +184522,8 @@ static int fts3ScanInteriorNode( ** table, then there are always 20 bytes of zeroed padding following the ** nNode bytes of content (see sqlite3Fts3ReadBlock() for details). */ - zCsr += sqlite3Fts3GetVarint(zCsr, &iChild); - zCsr += sqlite3Fts3GetVarint(zCsr, &iChild); + zCsr += sqlite3Fts3GetVarintU(zCsr, &iChild); + zCsr += sqlite3Fts3GetVarintU(zCsr, &iChild); if( zCsr>zEnd ){ return FTS_CORRUPT_VTAB; } @@ -168843,20 +184576,20 @@ static int fts3ScanInteriorNode( */ cmp = memcmp(zTerm, zBuffer, (nBuffer>nTerm ? nTerm : nBuffer)); if( piFirst && (cmp<0 || (cmp==0 && nBuffer>nTerm)) ){ - *piFirst = iChild; + *piFirst = (i64)iChild; piFirst = 0; } if( piLast && cmp<0 ){ - *piLast = iChild; + *piLast = (i64)iChild; piLast = 0; } iChild++; }; - if( piFirst ) *piFirst = iChild; - if( piLast ) *piLast = iChild; + if( piFirst ) *piFirst = (i64)iChild; + if( piLast ) *piLast = (i64)iChild; finish_scan: sqlite3_free(zBuffer); @@ -169763,7 +185496,7 @@ static int fts3TermSelectMerge( ** ** Similar padding is added in the fts3DoclistOrMerge() function. */ - pTS->aaOutput[0] = sqlite3_malloc(nDoclist + FTS3_VARINT_MAX + 1); + pTS->aaOutput[0] = sqlite3_malloc64((i64)nDoclist + FTS3_VARINT_MAX + 1); pTS->anOutput[0] = nDoclist; if( pTS->aaOutput[0] ){ memcpy(pTS->aaOutput[0], aDoclist, nDoclist); @@ -170462,14 +186195,20 @@ static int fts3SetHasStat(Fts3Table *p){ */ static int fts3BeginMethod(sqlite3_vtab *pVtab){ Fts3Table *p = (Fts3Table*)pVtab; + int rc; UNUSED_PARAMETER(pVtab); assert( p->pSegments==0 ); assert( p->nPendingData==0 ); assert( p->inTransaction!=1 ); - TESTONLY( p->inTransaction = 1 ); - TESTONLY( p->mxSavepoint = -1; ); p->nLeafAdd = 0; - return fts3SetHasStat(p); + rc = fts3SetHasStat(p); +#ifdef SQLITE_DEBUG + if( rc==SQLITE_OK ){ + p->inTransaction = 1; + p->mxSavepoint = -1; + } +#endif + return rc; } /* @@ -170882,9 +186621,12 @@ static const sqlite3_module fts3Module = { ** allocated for the tokenizer hash table. */ static void hashDestroy(void *p){ - Fts3Hash *pHash = (Fts3Hash *)p; - sqlite3Fts3HashClear(pHash); - sqlite3_free(pHash); + Fts3HashWrapper *pHash = (Fts3HashWrapper *)p; + pHash->nRef--; + if( pHash->nRef<=0 ){ + sqlite3Fts3HashClear(&pHash->hash); + sqlite3_free(pHash); + } } /* @@ -170914,7 +186656,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule(sqlite3_tokenizer_module const */ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ int rc = SQLITE_OK; - Fts3Hash *pHash = 0; + Fts3HashWrapper *pHash = 0; const sqlite3_tokenizer_module *pSimple = 0; const sqlite3_tokenizer_module *pPorter = 0; #ifndef SQLITE_DISABLE_FTS3_UNICODE @@ -170942,23 +186684,24 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ sqlite3Fts3PorterTokenizerModule(&pPorter); /* Allocate and initialize the hash-table used to store tokenizers. */ - pHash = sqlite3_malloc(sizeof(Fts3Hash)); + pHash = sqlite3_malloc(sizeof(Fts3HashWrapper)); if( !pHash ){ rc = SQLITE_NOMEM; }else{ - sqlite3Fts3HashInit(pHash, FTS3_HASH_STRING, 1); + sqlite3Fts3HashInit(&pHash->hash, FTS3_HASH_STRING, 1); + pHash->nRef = 0; } /* Load the built-in tokenizers into the hash table */ if( rc==SQLITE_OK ){ - if( sqlite3Fts3HashInsert(pHash, "simple", 7, (void *)pSimple) - || sqlite3Fts3HashInsert(pHash, "porter", 7, (void *)pPorter) + if( sqlite3Fts3HashInsert(&pHash->hash, "simple", 7, (void *)pSimple) + || sqlite3Fts3HashInsert(&pHash->hash, "porter", 7, (void *)pPorter) #ifndef SQLITE_DISABLE_FTS3_UNICODE - || sqlite3Fts3HashInsert(pHash, "unicode61", 10, (void *)pUnicode) + || sqlite3Fts3HashInsert(&pHash->hash, "unicode61", 10, (void *)pUnicode) #endif #ifdef SQLITE_ENABLE_ICU - || (pIcu && sqlite3Fts3HashInsert(pHash, "icu", 4, (void *)pIcu)) + || (pIcu && sqlite3Fts3HashInsert(&pHash->hash, "icu", 4, (void *)pIcu)) #endif ){ rc = SQLITE_NOMEM; @@ -170967,7 +186710,7 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ #ifdef SQLITE_TEST if( rc==SQLITE_OK ){ - rc = sqlite3Fts3ExprInitTestInterface(db, pHash); + rc = sqlite3Fts3ExprInitTestInterface(db, &pHash->hash); } #endif @@ -170976,23 +186719,26 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ ** module with sqlite. */ if( SQLITE_OK==rc - && SQLITE_OK==(rc = sqlite3Fts3InitHashTable(db, pHash, "fts3_tokenizer")) + && SQLITE_OK==(rc=sqlite3Fts3InitHashTable(db,&pHash->hash,"fts3_tokenizer")) && SQLITE_OK==(rc = sqlite3_overload_function(db, "snippet", -1)) && SQLITE_OK==(rc = sqlite3_overload_function(db, "offsets", 1)) && SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", 1)) && SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", 2)) && SQLITE_OK==(rc = sqlite3_overload_function(db, "optimize", 1)) ){ + pHash->nRef++; rc = sqlite3_create_module_v2( db, "fts3", &fts3Module, (void *)pHash, hashDestroy ); if( rc==SQLITE_OK ){ + pHash->nRef++; rc = sqlite3_create_module_v2( - db, "fts4", &fts3Module, (void *)pHash, 0 + db, "fts4", &fts3Module, (void *)pHash, hashDestroy ); } if( rc==SQLITE_OK ){ - rc = sqlite3Fts3InitTok(db, (void *)pHash); + pHash->nRef++; + rc = sqlite3Fts3InitTok(db, (void *)pHash, hashDestroy); } return rc; } @@ -171001,7 +186747,7 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ /* An error has occurred. Delete the hash table and return the error code. */ assert( rc!=SQLITE_OK ); if( pHash ){ - sqlite3Fts3HashClear(pHash); + sqlite3Fts3HashClear(&pHash->hash); sqlite3_free(pHash); } return rc; @@ -171170,8 +186916,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ char *aPoslist = 0; /* Position list for deferred tokens */ int nPoslist = 0; /* Number of bytes in aPoslist */ int iPrev = -1; /* Token number of previous deferred token */ - - assert( pPhrase->doclist.bFreeList==0 ); + char *aFree = (pPhrase->doclist.bFreeList ? pPhrase->doclist.pList : 0); for(iToken=0; iTokennToken; iToken++){ Fts3PhraseToken *pToken = &pPhrase->aToken[iToken]; @@ -171185,6 +186930,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ if( pList==0 ){ sqlite3_free(aPoslist); + sqlite3_free(aFree); pPhrase->doclist.pList = 0; pPhrase->doclist.nList = 0; return SQLITE_OK; @@ -171205,6 +186951,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ nPoslist = (int)(aOut - aPoslist); if( nPoslist==0 ){ sqlite3_free(aPoslist); + sqlite3_free(aFree); pPhrase->doclist.pList = 0; pPhrase->doclist.nList = 0; return SQLITE_OK; @@ -171237,13 +186984,14 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ nDistance = iPrev - nMaxUndeferred; } - aOut = (char *)sqlite3_malloc(nPoslist+8); + aOut = (char *)sqlite3Fts3MallocZero(nPoslist+FTS3_BUFFER_PADDING); if( !aOut ){ sqlite3_free(aPoslist); return SQLITE_NOMEM; } pPhrase->doclist.pList = aOut; + assert( p1 && p2 ); if( fts3PoslistPhraseMerge(&aOut, nDistance, 0, 1, &p1, &p2) ){ pPhrase->doclist.bFreeList = 1; pPhrase->doclist.nList = (int)(aOut - pPhrase->doclist.pList); @@ -171256,6 +187004,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ } } + if( pPhrase->doclist.pList!=aFree ) sqlite3_free(aFree); return SQLITE_OK; } #endif /* SQLITE_DISABLE_FTS4_DEFERRED */ @@ -171348,7 +187097,7 @@ SQLITE_PRIVATE void sqlite3Fts3DoclistPrev( assert( nDoclist>0 ); assert( *pbEof==0 ); - assert( p || *piDocid==0 ); + assert_fts3_nc( p || *piDocid==0 ); assert( !p || (p>aDoclist && p<&aDoclist[nDoclist]) ); if( p==0 ){ @@ -171604,7 +187353,7 @@ static int fts3EvalIncrPhraseNext( if( bEof==0 ){ int nList = 0; int nByte = a[p->nToken-1].nList; - char *aDoclist = sqlite3_malloc(nByte+FTS3_BUFFER_PADDING); + char *aDoclist = sqlite3_malloc64((i64)nByte+FTS3_BUFFER_PADDING); if( !aDoclist ) return SQLITE_NOMEM; memcpy(aDoclist, a[p->nToken-1].pList, nByte+1); memset(&aDoclist[nByte], 0, FTS3_BUFFER_PADDING); @@ -171998,16 +187747,15 @@ static int fts3EvalStart(Fts3Cursor *pCsr){ #ifndef SQLITE_DISABLE_FTS4_DEFERRED if( rc==SQLITE_OK && nToken>1 && pTab->bFts4 ){ Fts3TokenAndCost *aTC; - Fts3Expr **apOr; aTC = (Fts3TokenAndCost *)sqlite3_malloc64( sizeof(Fts3TokenAndCost) * nToken + sizeof(Fts3Expr *) * nOr * 2 ); - apOr = (Fts3Expr **)&aTC[nToken]; if( !aTC ){ rc = SQLITE_NOMEM; }else{ + Fts3Expr **apOr = (Fts3Expr **)&aTC[nToken]; int ii; Fts3TokenAndCost *pTC = aTC; Fts3Expr **ppOr = apOr; @@ -172088,9 +187836,9 @@ static int fts3EvalNearTrim( ); if( res ){ nNew = (int)(pOut - pPhrase->doclist.pList) - 1; - if( nNew>=0 ){ + assert_fts3_nc( nNew<=pPhrase->doclist.nList && nNew>0 ); + if( nNew>=0 && nNew<=pPhrase->doclist.nList ){ assert( pPhrase->doclist.pList[nNew]=='\0' ); - assert( nNew<=pPhrase->doclist.nList && nNew>0 ); memset(&pPhrase->doclist.pList[nNew], 0, pPhrase->doclist.nList - nNew); pPhrase->doclist.nList = nNew; } @@ -172147,9 +187895,8 @@ static void fts3EvalNextRow( Fts3Expr *pExpr, /* Expr. to advance to next matching row */ int *pRc /* IN/OUT: Error code */ ){ - if( *pRc==SQLITE_OK ){ + if( *pRc==SQLITE_OK && pExpr->bEof==0 ){ int bDescDoclist = pCsr->bDesc; /* Used by DOCID_CMP() macro */ - assert( pExpr->bEof==0 ); pExpr->bStart = 1; switch( pExpr->eType ){ @@ -172213,8 +187960,8 @@ static void fts3EvalNextRow( Fts3Expr *pRight = pExpr->pRight; sqlite3_int64 iCmp = DOCID_CMP(pLeft->iDocid, pRight->iDocid); - assert( pLeft->bStart || pLeft->iDocid==pRight->iDocid ); - assert( pRight->bStart || pLeft->iDocid==pRight->iDocid ); + assert_fts3_nc( pLeft->bStart || pLeft->iDocid==pRight->iDocid ); + assert_fts3_nc( pRight->bStart || pLeft->iDocid==pRight->iDocid ); if( pRight->bEof || (pLeft->bEof==0 && iCmp<0) ){ fts3EvalNextRow(pCsr, pLeft, pRc); @@ -172431,11 +188178,10 @@ static int fts3EvalTestExpr( default: { #ifndef SQLITE_DISABLE_FTS4_DEFERRED - if( pCsr->pDeferred - && (pExpr->iDocid==pCsr->iPrevId || pExpr->bDeferred) - ){ + if( pCsr->pDeferred && (pExpr->bDeferred || ( + pExpr->iDocid==pCsr->iPrevId && pExpr->pPhrase->doclist.pList + ))){ Fts3Phrase *pPhrase = pExpr->pPhrase; - assert( pExpr->bDeferred || pPhrase->doclist.bFreeList==0 ); if( pExpr->bDeferred ){ fts3EvalInvalidatePoslist(pPhrase); } @@ -172626,6 +188372,22 @@ static void fts3EvalUpdateCounts(Fts3Expr *pExpr, int nCol){ } } +/* +** This is an sqlite3Fts3ExprIterate() callback. If the Fts3Expr.aMI[] array +** has not yet been allocated, allocate and zero it. Otherwise, just zero +** it. +*/ +static int fts3AllocateMSI(Fts3Expr *pExpr, int iPhrase, void *pCtx){ + Fts3Table *pTab = (Fts3Table*)pCtx; + UNUSED_PARAMETER(iPhrase); + if( pExpr->aMI==0 ){ + pExpr->aMI = (u32 *)sqlite3_malloc64(pTab->nColumn * 3 * sizeof(u32)); + if( pExpr->aMI==0 ) return SQLITE_NOMEM; + } + memset(pExpr->aMI, 0, pTab->nColumn * 3 * sizeof(u32)); + return SQLITE_OK; +} + /* ** Expression pExpr must be of type FTSQUERY_PHRASE. ** @@ -172647,7 +188409,6 @@ static int fts3EvalGatherStats( if( pExpr->aMI==0 ){ Fts3Table *pTab = (Fts3Table *)pCsr->base.pVtab; Fts3Expr *pRoot; /* Root of NEAR expression */ - Fts3Expr *p; /* Iterator used for several purposes */ sqlite3_int64 iPrevId = pCsr->iPrevId; sqlite3_int64 iDocid; @@ -172655,7 +188416,9 @@ static int fts3EvalGatherStats( /* Find the root of the NEAR expression */ pRoot = pExpr; - while( pRoot->pParent && pRoot->pParent->eType==FTSQUERY_NEAR ){ + while( pRoot->pParent + && (pRoot->pParent->eType==FTSQUERY_NEAR || pRoot->bDeferred) + ){ pRoot = pRoot->pParent; } iDocid = pRoot->iDocid; @@ -172663,14 +188426,8 @@ static int fts3EvalGatherStats( assert( pRoot->bStart ); /* Allocate space for the aMSI[] array of each FTSQUERY_PHRASE node */ - for(p=pRoot; p; p=p->pLeft){ - Fts3Expr *pE = (p->eType==FTSQUERY_PHRASE?p:p->pRight); - assert( pE->aMI==0 ); - pE->aMI = (u32 *)sqlite3_malloc64(pTab->nColumn * 3 * sizeof(u32)); - if( !pE->aMI ) return SQLITE_NOMEM; - memset(pE->aMI, 0, pTab->nColumn * 3 * sizeof(u32)); - } - + rc = sqlite3Fts3ExprIterate(pRoot, fts3AllocateMSI, (void*)pTab); + if( rc!=SQLITE_OK ) return rc; fts3EvalRestart(pCsr, pRoot, &rc); while( pCsr->isEof==0 && rc==SQLITE_OK ){ @@ -172826,6 +188583,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( u8 bTreeEof = 0; Fts3Expr *p; /* Used to iterate from pExpr to root */ Fts3Expr *pNear; /* Most senior NEAR ancestor (or pExpr) */ + Fts3Expr *pRun; /* Closest non-deferred ancestor of pNear */ int bMatch; /* Check if this phrase descends from an OR expression node. If not, @@ -172840,22 +188598,30 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( if( p->bEof ) bTreeEof = 1; } if( bOr==0 ) return SQLITE_OK; + pRun = pNear; + while( pRun->bDeferred ){ + assert( pRun->pParent ); + pRun = pRun->pParent; + } /* This is the descendent of an OR node. In this case we cannot use ** an incremental phrase. Load the entire doclist for the phrase ** into memory in this case. */ if( pPhrase->bIncr ){ - int bEofSave = pNear->bEof; - fts3EvalRestart(pCsr, pNear, &rc); - while( rc==SQLITE_OK && !pNear->bEof ){ - fts3EvalNextRow(pCsr, pNear, &rc); - if( bEofSave==0 && pNear->iDocid==iDocid ) break; + int bEofSave = pRun->bEof; + fts3EvalRestart(pCsr, pRun, &rc); + while( rc==SQLITE_OK && !pRun->bEof ){ + fts3EvalNextRow(pCsr, pRun, &rc); + if( bEofSave==0 && pRun->iDocid==iDocid ) break; } assert( rc!=SQLITE_OK || pPhrase->bIncr==0 ); + if( rc==SQLITE_OK && pRun->bEof!=bEofSave ){ + rc = FTS_CORRUPT_VTAB; + } } if( bTreeEof ){ - while( rc==SQLITE_OK && !pNear->bEof ){ - fts3EvalNextRow(pCsr, pNear, &rc); + while( rc==SQLITE_OK && !pRun->bEof ){ + fts3EvalNextRow(pCsr, pRun, &rc); } } if( rc!=SQLITE_OK ) return rc; @@ -173274,6 +189040,7 @@ static int fts3auxNextMethod(sqlite3_vtab_cursor *pCursor){ if( fts3auxGrowStatArray(pCsr, 2) ) return SQLITE_NOMEM; memset(pCsr->aStat, 0, sizeof(struct Fts3auxColstats) * pCsr->nStat); iCol = 0; + rc = SQLITE_OK; while( iaStat[iCol+1].nDoc++; eState = 2; @@ -173325,7 +189096,6 @@ static int fts3auxNextMethod(sqlite3_vtab_cursor *pCursor){ } pCsr->iCol = 0; - rc = SQLITE_OK; }else{ pCsr->isEof = 1; } @@ -173383,6 +189153,7 @@ static int fts3auxFilterMethod( sqlite3Fts3SegReaderFinish(&pCsr->csr); sqlite3_free((void *)pCsr->filter.zTerm); sqlite3_free(pCsr->aStat); + sqlite3_free(pCsr->zStop); memset(&pCsr->csr, 0, ((u8*)&pCsr[1]) - (u8*)&pCsr->csr); pCsr->filter.flags = FTS3_SEGMENT_REQUIRE_POS|FTS3_SEGMENT_IGNORE_EMPTY; @@ -173653,7 +189424,7 @@ static int fts3isspace(char c){ ** zero the memory before returning a pointer to it. If unsuccessful, ** return NULL. */ -static void *fts3MallocZero(sqlite3_int64 nByte){ +SQLITE_PRIVATE void *sqlite3Fts3MallocZero(sqlite3_int64 nByte){ void *pRet = sqlite3_malloc64(nByte); if( pRet ) memset(pRet, 0, nByte); return pRet; @@ -173734,7 +189505,7 @@ static int getNextToken( rc = pModule->xNext(pCursor, &zToken, &nToken, &iStart, &iEnd, &iPosition); if( rc==SQLITE_OK ){ nByte = sizeof(Fts3Expr) + sizeof(Fts3Phrase) + nToken; - pRet = (Fts3Expr *)fts3MallocZero(nByte); + pRet = (Fts3Expr *)sqlite3Fts3MallocZero(nByte); if( !pRet ){ rc = SQLITE_NOMEM; }else{ @@ -173989,7 +189760,7 @@ static int getNextNode( if( fts3isspace(cNext) || cNext=='"' || cNext=='(' || cNext==')' || cNext==0 ){ - pRet = (Fts3Expr *)fts3MallocZero(sizeof(Fts3Expr)); + pRet = (Fts3Expr *)sqlite3Fts3MallocZero(sizeof(Fts3Expr)); if( !pRet ){ return SQLITE_NOMEM; } @@ -174024,6 +189795,11 @@ static int getNextNode( if( *zInput=='(' ){ int nConsumed = 0; pParse->nNest++; +#if !defined(SQLITE_MAX_EXPR_DEPTH) + if( pParse->nNest>1000 ) return SQLITE_ERROR; +#elif SQLITE_MAX_EXPR_DEPTH>0 + if( pParse->nNest>SQLITE_MAX_EXPR_DEPTH ) return SQLITE_ERROR; +#endif rc = fts3ExprParse(pParse, zInput+1, nInput-1, ppExpr, &nConsumed); *pnConsumed = (int)(zInput - z) + 1 + nConsumed; return rc; @@ -174163,7 +189939,7 @@ static int fts3ExprParse( && p->eType==FTSQUERY_PHRASE && pParse->isNot ){ /* Create an implicit NOT operator. */ - Fts3Expr *pNot = fts3MallocZero(sizeof(Fts3Expr)); + Fts3Expr *pNot = sqlite3Fts3MallocZero(sizeof(Fts3Expr)); if( !pNot ){ sqlite3Fts3ExprFree(p); rc = SQLITE_NOMEM; @@ -174197,7 +189973,7 @@ static int fts3ExprParse( /* Insert an implicit AND operator. */ Fts3Expr *pAnd; assert( pRet && pPrev ); - pAnd = fts3MallocZero(sizeof(Fts3Expr)); + pAnd = sqlite3Fts3MallocZero(sizeof(Fts3Expr)); if( !pAnd ){ sqlite3Fts3ExprFree(p); rc = SQLITE_NOMEM; @@ -175829,7 +191605,7 @@ static int porterNext( if( n>c->nAllocated ){ char *pNew; c->nAllocated = n+20; - pNew = sqlite3_realloc(c->zToken, c->nAllocated); + pNew = sqlite3_realloc64(c->zToken, c->nAllocated); if( !pNew ) return SQLITE_NOMEM; c->zToken = pNew; } @@ -176581,7 +192357,7 @@ static int simpleNext( if( n>c->nTokenAllocated ){ char *pNew; c->nTokenAllocated = n+20; - pNew = sqlite3_realloc(c->pToken, c->nTokenAllocated); + pNew = sqlite3_realloc64(c->pToken, c->nTokenAllocated); if( !pNew ) return SQLITE_NOMEM; c->pToken = pNew; } @@ -177053,7 +192829,7 @@ static int fts3tokRowidMethod( ** Register the fts3tok module with database connection db. Return SQLITE_OK ** if successful or an error code if sqlite3_create_module() fails. */ -SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash){ +SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash, void(*xDestroy)(void*)){ static const sqlite3_module fts3tok_module = { 0, /* iVersion */ fts3tokConnectMethod, /* xCreate */ @@ -177082,7 +192858,9 @@ SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash){ }; int rc; /* Return code */ - rc = sqlite3_create_module(db, "fts3tokenize", &fts3tok_module, (void*)pHash); + rc = sqlite3_create_module_v2( + db, "fts3tokenize", &fts3tok_module, (void*)pHash, xDestroy + ); return rc; } @@ -177741,7 +193519,7 @@ static int fts3PendingListAppendVarint( /* Allocate or grow the PendingList as required. */ if( !p ){ - p = sqlite3_malloc(sizeof(*p) + 100); + p = sqlite3_malloc64(sizeof(*p) + 100); if( !p ){ return SQLITE_NOMEM; } @@ -177750,14 +193528,14 @@ static int fts3PendingListAppendVarint( p->nData = 0; } else if( p->nData+FTS3_VARINT_MAX+1>p->nSpace ){ - int nNew = p->nSpace * 2; - p = sqlite3_realloc(p, sizeof(*p) + nNew); + i64 nNew = p->nSpace * 2; + p = sqlite3_realloc64(p, sizeof(*p) + nNew); if( !p ){ sqlite3_free(*pp); *pp = 0; return SQLITE_NOMEM; } - p->nSpace = nNew; + p->nSpace = (int)nNew; p->aData = (char *)&p[1]; } @@ -178314,7 +194092,7 @@ SQLITE_PRIVATE int sqlite3Fts3ReadBlock( int nByte = sqlite3_blob_bytes(p->pSegments); *pnBlob = nByte; if( paBlob ){ - char *aByte = sqlite3_malloc(nByte + FTS3_NODE_PADDING); + char *aByte = sqlite3_malloc64((i64)nByte + FTS3_NODE_PADDING); if( !aByte ){ rc = SQLITE_NOMEM; }else{ @@ -178427,9 +194205,19 @@ static int fts3SegReaderNext( char *aCopy; PendingList *pList = (PendingList *)fts3HashData(pElem); int nCopy = pList->nData+1; - pReader->zTerm = (char *)fts3HashKey(pElem); - pReader->nTerm = fts3HashKeysize(pElem); - aCopy = (char*)sqlite3_malloc(nCopy); + + int nTerm = fts3HashKeysize(pElem); + if( (nTerm+1)>pReader->nTermAlloc ){ + sqlite3_free(pReader->zTerm); + pReader->zTerm = (char*)sqlite3_malloc64(((i64)nTerm+1)*2); + if( !pReader->zTerm ) return SQLITE_NOMEM; + pReader->nTermAlloc = (nTerm+1)*2; + } + memcpy(pReader->zTerm, fts3HashKey(pElem), nTerm); + pReader->zTerm[nTerm] = '\0'; + pReader->nTerm = nTerm; + + aCopy = (char*)sqlite3_malloc64(nCopy); if( !aCopy ) return SQLITE_NOMEM; memcpy(aCopy, pList->aData, nCopy); pReader->nNode = pReader->nDoclist = nCopy; @@ -178681,9 +194469,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrOvfl( */ SQLITE_PRIVATE void sqlite3Fts3SegReaderFree(Fts3SegReader *pReader){ if( pReader ){ - if( !fts3SegReaderIsPending(pReader) ){ - sqlite3_free(pReader->zTerm); - } + sqlite3_free(pReader->zTerm); if( !fts3SegReaderIsRootOnly(pReader) ){ sqlite3_free(pReader->aNode); } @@ -178718,7 +194504,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderNew( nExtra = nRoot + FTS3_NODE_PADDING; } - pReader = (Fts3SegReader *)sqlite3_malloc(sizeof(Fts3SegReader) + nExtra); + pReader = (Fts3SegReader *)sqlite3_malloc64(sizeof(Fts3SegReader) + nExtra); if( !pReader ){ return SQLITE_NOMEM; } @@ -178810,7 +194596,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderPending( if( nElem==nAlloc ){ Fts3HashElem **aElem2; nAlloc += 16; - aElem2 = (Fts3HashElem **)sqlite3_realloc( + aElem2 = (Fts3HashElem **)sqlite3_realloc64( aElem, nAlloc*sizeof(Fts3HashElem *) ); if( !aElem2 ){ @@ -178899,7 +194685,7 @@ static int fts3SegReaderCmp(Fts3SegReader *pLhs, Fts3SegReader *pRhs){ if( rc==0 ){ rc = pRhs->iIdx - pLhs->iIdx; } - assert( rc!=0 ); + assert_fts3_nc( rc!=0 ); return rc; } @@ -179095,8 +194881,8 @@ static int fts3PrefixCompress( int nNext /* Size of buffer zNext in bytes */ ){ int n; - UNUSED_PARAMETER(nNext); - for(n=0; naData==(char *)&pTree[1] ); - pTree->aData = (char *)sqlite3_malloc(nReq); + pTree->aData = (char *)sqlite3_malloc64(nReq); if( !pTree->aData ){ return SQLITE_NOMEM; } @@ -179162,7 +194948,7 @@ static int fts3NodeAddTerm( if( isCopyTerm ){ if( pTree->nMalloczMalloc, nTerm*2); + char *zNew = sqlite3_realloc64(pTree->zMalloc, (i64)nTerm*2); if( !zNew ){ return SQLITE_NOMEM; } @@ -179188,7 +194974,7 @@ static int fts3NodeAddTerm( ** now. Instead, the term is inserted into the parent of pTree. If pTree ** has no parent, one is created here. */ - pNew = (SegmentNode *)sqlite3_malloc(sizeof(SegmentNode) + p->nNodeSize); + pNew = (SegmentNode *)sqlite3_malloc64(sizeof(SegmentNode) + p->nNodeSize); if( !pNew ){ return SQLITE_NOMEM; } @@ -179326,7 +195112,7 @@ static int fts3SegWriterAdd( ){ int nPrefix; /* Size of term prefix in bytes */ int nSuffix; /* Size of term suffix in bytes */ - int nReq; /* Number of bytes required on leaf page */ + i64 nReq; /* Number of bytes required on leaf page */ int nData; SegmentWriter *pWriter = *ppWriter; @@ -179335,13 +195121,13 @@ static int fts3SegWriterAdd( sqlite3_stmt *pStmt; /* Allocate the SegmentWriter structure */ - pWriter = (SegmentWriter *)sqlite3_malloc(sizeof(SegmentWriter)); + pWriter = (SegmentWriter *)sqlite3_malloc64(sizeof(SegmentWriter)); if( !pWriter ) return SQLITE_NOMEM; memset(pWriter, 0, sizeof(SegmentWriter)); *ppWriter = pWriter; /* Allocate a buffer in which to accumulate data */ - pWriter->aData = (char *)sqlite3_malloc(p->nNodeSize); + pWriter->aData = (char *)sqlite3_malloc64(p->nNodeSize); if( !pWriter->aData ) return SQLITE_NOMEM; pWriter->nSize = p->nNodeSize; @@ -179416,7 +195202,7 @@ static int fts3SegWriterAdd( ** the buffer to make it large enough. */ if( nReq>pWriter->nSize ){ - char *aNew = sqlite3_realloc(pWriter->aData, nReq); + char *aNew = sqlite3_realloc64(pWriter->aData, nReq); if( !aNew ) return SQLITE_NOMEM; pWriter->aData = aNew; pWriter->nSize = nReq; @@ -179441,7 +195227,7 @@ static int fts3SegWriterAdd( */ if( isCopyTerm ){ if( nTerm>pWriter->nMalloc ){ - char *zNew = sqlite3_realloc(pWriter->zMalloc, nTerm*2); + char *zNew = sqlite3_realloc64(pWriter->zMalloc, (i64)nTerm*2); if( !zNew ){ return SQLITE_NOMEM; } @@ -179749,18 +195535,20 @@ static void fts3ColumnFilter( static int fts3MsrBufferData( Fts3MultiSegReader *pMsr, /* Multi-segment-reader handle */ char *pList, - int nList + i64 nList ){ - if( nList>pMsr->nBuffer ){ + if( (nList+FTS3_NODE_PADDING)>pMsr->nBuffer ){ char *pNew; - pMsr->nBuffer = nList*2; - pNew = (char *)sqlite3_realloc(pMsr->aBuffer, pMsr->nBuffer); + int nNew = nList*2 + FTS3_NODE_PADDING; + pNew = (char *)sqlite3_realloc64(pMsr->aBuffer, nNew); if( !pNew ) return SQLITE_NOMEM; pMsr->aBuffer = pNew; + pMsr->nBuffer = nNew; } assert( nList>0 ); memcpy(pMsr->aBuffer, pList, nList); + memset(&pMsr->aBuffer[nList], 0, FTS3_NODE_PADDING); return SQLITE_OK; } @@ -179810,7 +195598,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrNext( fts3SegReaderSort(pMsr->apSegment, nMerge, j, xCmp); if( nList>0 && fts3SegReaderIsPending(apSegment[0]) ){ - rc = fts3MsrBufferData(pMsr, pList, nList+1); + rc = fts3MsrBufferData(pMsr, pList, (i64)nList+1); if( rc!=SQLITE_OK ) return rc; assert( (pMsr->aBuffer[nList] & 0xFE)==0x00 ); pList = pMsr->aBuffer; @@ -179947,11 +195735,11 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr){ return SQLITE_OK; } -static int fts3GrowSegReaderBuffer(Fts3MultiSegReader *pCsr, int nReq){ +static int fts3GrowSegReaderBuffer(Fts3MultiSegReader *pCsr, i64 nReq){ if( nReq>pCsr->nBuffer ){ char *aNew; pCsr->nBuffer = nReq*2; - aNew = sqlite3_realloc(pCsr->aBuffer, pCsr->nBuffer); + aNew = sqlite3_realloc64(pCsr->aBuffer, pCsr->nBuffer); if( !aNew ){ return SQLITE_NOMEM; } @@ -180042,7 +195830,8 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( ){ pCsr->nDoclist = apSegment[0]->nDoclist; if( fts3SegReaderIsPending(apSegment[0]) ){ - rc = fts3MsrBufferData(pCsr, apSegment[0]->aDoclist, pCsr->nDoclist); + rc = fts3MsrBufferData(pCsr, apSegment[0]->aDoclist, + (i64)pCsr->nDoclist); pCsr->aDoclist = pCsr->aBuffer; }else{ pCsr->aDoclist = apSegment[0]->aDoclist; @@ -180095,7 +195884,8 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( nByte = sqlite3Fts3VarintLen(iDelta) + (isRequirePos?nList+1:0); - rc = fts3GrowSegReaderBuffer(pCsr, nByte+nDoclist); + rc = fts3GrowSegReaderBuffer(pCsr, + (i64)nByte+nDoclist+FTS3_NODE_PADDING); if( rc ) return rc; if( isFirst ){ @@ -180121,7 +195911,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( fts3SegReaderSort(apSegment, nMerge, j, xCmp); } if( nDoclist>0 ){ - rc = fts3GrowSegReaderBuffer(pCsr, nDoclist+FTS3_NODE_PADDING); + rc = fts3GrowSegReaderBuffer(pCsr, (i64)nDoclist+FTS3_NODE_PADDING); if( rc ) return rc; memset(&pCsr->aBuffer[nDoclist], 0, FTS3_NODE_PADDING); pCsr->aDoclist = pCsr->aBuffer; @@ -180834,7 +196624,7 @@ struct NodeReader { static void blobGrowBuffer(Blob *pBlob, int nMin, int *pRc){ if( *pRc==SQLITE_OK && nMin>pBlob->nAlloc ){ int nAlloc = nMin; - char *a = (char *)sqlite3_realloc(pBlob->a, nAlloc); + char *a = (char *)sqlite3_realloc64(pBlob->a, nAlloc); if( a ){ pBlob->nAlloc = nAlloc; pBlob->a = a; @@ -180875,7 +196665,7 @@ static int nodeReaderNext(NodeReader *p){ return FTS_CORRUPT_VTAB; } blobGrowBuffer(&p->term, nPrefix+nSuffix, &rc); - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK && ALWAYS(p->term.a!=0) ){ memcpy(&p->term.a[nPrefix], &p->aNode[p->iOff], nSuffix); p->term.n = nPrefix+nSuffix; p->iOff += nSuffix; @@ -180983,6 +196773,8 @@ static int fts3IncrmergePush( pBlk->n += sqlite3Fts3PutVarint(&pBlk->a[pBlk->n], nPrefix); } pBlk->n += sqlite3Fts3PutVarint(&pBlk->a[pBlk->n], nSuffix); + assert( nPrefix+nSuffix<=nTerm ); + assert( nPrefix>=0 ); memcpy(&pBlk->a[pBlk->n], &zTerm[nPrefix], nSuffix); pBlk->n += nSuffix; @@ -181105,6 +196897,7 @@ static int fts3IncrmergeAppend( pLeaf = &pWriter->aNodeWriter[0]; nPrefix = fts3PrefixCompress(pLeaf->key.a, pLeaf->key.n, zTerm, nTerm); nSuffix = nTerm - nPrefix; + if(nSuffix<=0 ) return FTS_CORRUPT_VTAB; nSpace = sqlite3Fts3VarintLen(nPrefix); nSpace += sqlite3Fts3VarintLen(nSuffix) + nSuffix; @@ -181269,7 +197062,11 @@ static int fts3TermCmp( int nCmp = MIN(nLhs, nRhs); int res; - res = (nCmp ? memcmp(zLhs, zRhs, nCmp) : 0); + if( nCmp && ALWAYS(zLhs) && ALWAYS(zRhs) ){ + res = memcmp(zLhs, zRhs, nCmp); + }else{ + res = 0; + } if( res==0 ) res = nLhs - nRhs; return res; @@ -181420,6 +197217,7 @@ static int fts3IncrmergeLoad( for(i=nHeight; i>=0 && rc==SQLITE_OK; i--){ NodeReader reader; + memset(&reader, 0, sizeof(reader)); pNode = &pWriter->aNodeWriter[i]; if( pNode->block.a){ @@ -181427,17 +197225,20 @@ static int fts3IncrmergeLoad( while( reader.aNode && rc==SQLITE_OK ) rc = nodeReaderNext(&reader); blobGrowBuffer(&pNode->key, reader.term.n, &rc); if( rc==SQLITE_OK ){ - memcpy(pNode->key.a, reader.term.a, reader.term.n); + assert_fts3_nc( reader.term.n>0 || reader.aNode==0 ); + if( reader.term.n>0 ){ + memcpy(pNode->key.a, reader.term.a, reader.term.n); + } pNode->key.n = reader.term.n; if( i>0 ){ char *aBlock = 0; int nBlock = 0; pNode = &pWriter->aNodeWriter[i-1]; pNode->iBlock = reader.iChild; - rc = sqlite3Fts3ReadBlock(p, reader.iChild, &aBlock, &nBlock, 0); + rc = sqlite3Fts3ReadBlock(p, reader.iChild, &aBlock, &nBlock,0); blobGrowBuffer(&pNode->block, MAX(nBlock, p->nNodeSize)+FTS3_NODE_PADDING, &rc - ); + ); if( rc==SQLITE_OK ){ memcpy(pNode->block.a, aBlock, nBlock); pNode->block.n = nBlock; @@ -181621,7 +197422,7 @@ static int fts3RepackSegdirLevel( if( nIdx>=nAlloc ){ int *aNew; nAlloc += 16; - aNew = sqlite3_realloc(aIdx, nAlloc*sizeof(int)); + aNew = sqlite3_realloc64(aIdx, nAlloc*sizeof(int)); if( !aNew ){ rc = SQLITE_NOMEM; break; @@ -181910,7 +197711,7 @@ static int fts3IncrmergeHintLoad(Fts3Table *p, Blob *pHint){ if( aHint ){ blobGrowBuffer(pHint, nHint, &rc); if( rc==SQLITE_OK ){ - memcpy(pHint->a, aHint, nHint); + if( ALWAYS(pHint->a!=0) ) memcpy(pHint->a, aHint, nHint); pHint->n = nHint; } } @@ -181995,7 +197796,7 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ /* Allocate space for the cursor, filter and writer objects */ const int nAlloc = sizeof(*pCsr) + sizeof(*pFilter) + sizeof(*pWriter); - pWriter = (IncrmergeWriter *)sqlite3_malloc(nAlloc); + pWriter = (IncrmergeWriter *)sqlite3_malloc64(nAlloc); if( !pWriter ) return SQLITE_NOMEM; pFilter = (Fts3SegFilter *)&pWriter[1]; pCsr = (Fts3MultiSegReader *)&pFilter[1]; @@ -182287,7 +198088,7 @@ static u64 fts3ChecksumIndex( int rc; u64 cksum = 0; - assert( *pRc==SQLITE_OK ); + if( *pRc ) return 0; memset(&filter, 0, sizeof(filter)); memset(&csr, 0, sizeof(csr)); @@ -182631,7 +198432,7 @@ SQLITE_PRIVATE int sqlite3Fts3DeferredTokenList( return SQLITE_OK; } - pRet = (char *)sqlite3_malloc(p->pList->nData); + pRet = (char *)sqlite3_malloc64(p->pList->nData); if( !pRet ) return SQLITE_NOMEM; nSkip = sqlite3Fts3GetVarint(p->pList->aData, &dummy); @@ -182651,7 +198452,7 @@ SQLITE_PRIVATE int sqlite3Fts3DeferToken( int iCol /* Column that token must appear in (or -1) */ ){ Fts3DeferredToken *pDeferred; - pDeferred = sqlite3_malloc(sizeof(*pDeferred)); + pDeferred = sqlite3_malloc64(sizeof(*pDeferred)); if( !pDeferred ){ return SQLITE_NOMEM; } @@ -182906,6 +198707,10 @@ SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *p){ /* #include */ /* #include */ +#ifndef SQLITE_AMALGAMATION +typedef sqlite3_int64 i64; +#endif + /* ** Characters that may appear in the second argument to matchinfo(). */ @@ -182926,7 +198731,7 @@ SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *p){ /* -** Used as an fts3ExprIterate() context when loading phrase doclists to +** Used as an sqlite3Fts3ExprIterate() context when loading phrase doclists to ** Fts3Expr.aDoclist[]/nDoclist. */ typedef struct LoadDoclistCtx LoadDoclistCtx; @@ -182956,9 +198761,9 @@ struct SnippetIter { struct SnippetPhrase { int nToken; /* Number of tokens in phrase */ char *pList; /* Pointer to start of phrase position list */ - int iHead; /* Next value in position list */ + i64 iHead; /* Next value in position list */ char *pHead; /* Position list data following iHead */ - int iTail; /* Next value in trailing position list */ + i64 iTail; /* Next value in trailing position list */ char *pTail; /* Position list data following iTail */ }; @@ -182970,7 +198775,7 @@ struct SnippetFragment { }; /* -** This type is used as an fts3ExprIterate() context object while +** This type is used as an sqlite3Fts3ExprIterate() context object while ** accumulating the data returned by the matchinfo() function. */ typedef struct MatchInfo MatchInfo; @@ -183023,9 +198828,8 @@ static MatchinfoBuffer *fts3MIBufferNew(size_t nElem, const char *zMatchinfo){ + sizeof(MatchinfoBuffer); sqlite3_int64 nStr = strlen(zMatchinfo); - pRet = sqlite3_malloc64(nByte + nStr+1); + pRet = sqlite3Fts3MallocZero(nByte + nStr+1); if( pRet ){ - memset(pRet, 0, nByte); pRet->aMatchinfo[0] = (u8*)(&pRet->aMatchinfo[1]) - (u8*)pRet; pRet->aMatchinfo[1+nElem] = pRet->aMatchinfo[0] + sizeof(u32)*((int)nElem+1); @@ -183123,14 +198927,14 @@ SQLITE_PRIVATE void sqlite3Fts3MIBufferFree(MatchinfoBuffer *p){ ** After it returns, *piPos contains the value of the next element of the ** list and *pp is advanced to the following varint. */ -static void fts3GetDeltaPosition(char **pp, int *piPos){ +static void fts3GetDeltaPosition(char **pp, i64 *piPos){ int iVal; *pp += fts3GetVarint32(*pp, &iVal); *piPos += (iVal-2); } /* -** Helper function for fts3ExprIterate() (see below). +** Helper function for sqlite3Fts3ExprIterate() (see below). */ static int fts3ExprIterate2( Fts3Expr *pExpr, /* Expression to iterate phrases of */ @@ -183164,7 +198968,7 @@ static int fts3ExprIterate2( ** Otherwise, SQLITE_OK is returned after a callback has been made for ** all eligible phrase nodes. */ -static int fts3ExprIterate( +SQLITE_PRIVATE int sqlite3Fts3ExprIterate( Fts3Expr *pExpr, /* Expression to iterate phrases of */ int (*x)(Fts3Expr*,int,void*), /* Callback function to invoke for phrases */ void *pCtx /* Second argument to pass to callback */ @@ -183173,10 +198977,9 @@ static int fts3ExprIterate( return fts3ExprIterate2(pExpr, &iPhrase, x, pCtx); } - /* -** This is an fts3ExprIterate() callback used while loading the doclists -** for each phrase into Fts3Expr.aDoclist[]/nDoclist. See also +** This is an sqlite3Fts3ExprIterate() callback used while loading the +** doclists for each phrase into Fts3Expr.aDoclist[]/nDoclist. See also ** fts3ExprLoadDoclists(). */ static int fts3ExprLoadDoclistsCb(Fts3Expr *pExpr, int iPhrase, void *ctx){ @@ -183208,9 +199011,9 @@ static int fts3ExprLoadDoclists( int *pnToken /* OUT: Number of tokens in query */ ){ int rc; /* Return Code */ - LoadDoclistCtx sCtx = {0,0,0}; /* Context for fts3ExprIterate() */ + LoadDoclistCtx sCtx = {0,0,0}; /* Context for sqlite3Fts3ExprIterate() */ sCtx.pCsr = pCsr; - rc = fts3ExprIterate(pCsr->pExpr, fts3ExprLoadDoclistsCb, (void *)&sCtx); + rc = sqlite3Fts3ExprIterate(pCsr->pExpr,fts3ExprLoadDoclistsCb,(void*)&sCtx); if( pnPhrase ) *pnPhrase = sCtx.nPhrase; if( pnToken ) *pnToken = sCtx.nToken; return rc; @@ -183223,7 +199026,7 @@ static int fts3ExprPhraseCountCb(Fts3Expr *pExpr, int iPhrase, void *ctx){ } static int fts3ExprPhraseCount(Fts3Expr *pExpr){ int nPhrase = 0; - (void)fts3ExprIterate(pExpr, fts3ExprPhraseCountCb, (void *)&nPhrase); + (void)sqlite3Fts3ExprIterate(pExpr, fts3ExprPhraseCountCb, (void *)&nPhrase); return nPhrase; } @@ -183232,10 +199035,10 @@ static int fts3ExprPhraseCount(Fts3Expr *pExpr){ ** arguments so that it points to the first element with a value greater ** than or equal to parameter iNext. */ -static void fts3SnippetAdvance(char **ppIter, int *piIter, int iNext){ +static void fts3SnippetAdvance(char **ppIter, i64 *piIter, int iNext){ char *pIter = *ppIter; if( pIter ){ - int iIter = *piIter; + i64 iIter = *piIter; while( iIteraPhrase[i]; if( pPhrase->pTail ){ char *pCsr = pPhrase->pTail; - int iCsr = pPhrase->iTail; + i64 iCsr = pPhrase->iTail; while( iCsr<(iStart+pIter->nSnippet) && iCsr>=iStart ){ int j; @@ -183351,8 +199154,9 @@ static void fts3SnippetDetails( } /* -** This function is an fts3ExprIterate() callback used by fts3BestSnippet(). -** Each invocation populates an element of the SnippetIter.aPhrase[] array. +** This function is an sqlite3Fts3ExprIterate() callback used by +** fts3BestSnippet(). Each invocation populates an element of the +** SnippetIter.aPhrase[] array. */ static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){ SnippetIter *p = (SnippetIter *)ctx; @@ -183364,7 +199168,7 @@ static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){ rc = sqlite3Fts3EvalPhrasePoslist(p->pCsr, pExpr, p->iCol, &pCsr); assert( rc==SQLITE_OK || pCsr==0 ); if( pCsr ){ - int iFirst = 0; + i64 iFirst = 0; pPhrase->pList = pCsr; fts3GetDeltaPosition(&pCsr, &iFirst); if( iFirst<0 ){ @@ -183429,11 +199233,10 @@ static int fts3BestSnippet( ** the required space using malloc(). */ nByte = sizeof(SnippetPhrase) * nList; - sIter.aPhrase = (SnippetPhrase *)sqlite3_malloc64(nByte); + sIter.aPhrase = (SnippetPhrase *)sqlite3Fts3MallocZero(nByte); if( !sIter.aPhrase ){ return SQLITE_NOMEM; } - memset(sIter.aPhrase, 0, nByte); /* Initialize the contents of the SnippetIter object. Then iterate through ** the set of phrases in the expression to populate the aPhrase[] array. @@ -183443,7 +199246,9 @@ static int fts3BestSnippet( sIter.nSnippet = nSnippet; sIter.nPhrase = nList; sIter.iCurrent = -1; - rc = fts3ExprIterate(pCsr->pExpr, fts3SnippetFindPositions, (void*)&sIter); + rc = sqlite3Fts3ExprIterate( + pCsr->pExpr, fts3SnippetFindPositions, (void*)&sIter + ); if( rc==SQLITE_OK ){ /* Set the *pmSeen output variable. */ @@ -183804,10 +199609,10 @@ static int fts3ExprLHitGather( } /* -** fts3ExprIterate() callback used to collect the "global" matchinfo stats -** for a single query. +** sqlite3Fts3ExprIterate() callback used to collect the "global" matchinfo +** stats for a single query. ** -** fts3ExprIterate() callback to load the 'global' elements of a +** sqlite3Fts3ExprIterate() callback to load the 'global' elements of a ** FTS3_MATCHINFO_HITS matchinfo array. The global stats are those elements ** of the matchinfo array that are constant for all rows returned by the ** current query. @@ -183842,7 +199647,7 @@ static int fts3ExprGlobalHitsCb( } /* -** fts3ExprIterate() callback used to collect the "local" part of the +** sqlite3Fts3ExprIterate() callback used to collect the "local" part of the ** FTS3_MATCHINFO_HITS array. The local stats are those elements of the ** array that are different for each row returned by the query. */ @@ -183997,10 +199802,12 @@ static int fts3MatchinfoLcsCb( ** position list for the next column. */ static int fts3LcsIteratorAdvance(LcsIterator *pIter){ - char *pRead = pIter->pRead; + char *pRead; sqlite3_int64 iRead; int rc = 0; + if( NEVER(pIter==0) ) return 1; + pRead = pIter->pRead; pRead += sqlite3Fts3GetVarint(pRead, &iRead); if( iRead==0 || iRead==1 ){ pRead = 0; @@ -184034,10 +199841,9 @@ static int fts3MatchinfoLcs(Fts3Cursor *pCsr, MatchInfo *pInfo){ /* Allocate and populate the array of LcsIterator objects. The array ** contains one element for each matchable phrase in the query. **/ - aIter = sqlite3_malloc64(sizeof(LcsIterator) * pCsr->nPhrase); + aIter = sqlite3Fts3MallocZero(sizeof(LcsIterator) * pCsr->nPhrase); if( !aIter ) return SQLITE_NOMEM; - memset(aIter, 0, sizeof(LcsIterator) * pCsr->nPhrase); - (void)fts3ExprIterate(pCsr->pExpr, fts3MatchinfoLcsCb, (void*)aIter); + (void)sqlite3Fts3ExprIterate(pCsr->pExpr, fts3MatchinfoLcsCb, (void*)aIter); for(i=0; inPhrase; i++){ LcsIterator *pIter = &aIter[i]; @@ -184214,11 +200020,11 @@ static int fts3MatchinfoValues( rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &pInfo->nDoc,0,0); if( rc!=SQLITE_OK ) break; } - rc = fts3ExprIterate(pExpr, fts3ExprGlobalHitsCb,(void*)pInfo); + rc = sqlite3Fts3ExprIterate(pExpr, fts3ExprGlobalHitsCb,(void*)pInfo); sqlite3Fts3EvalTestDeferred(pCsr, &rc); if( rc!=SQLITE_OK ) break; } - (void)fts3ExprIterate(pExpr, fts3ExprLocalHitsCb,(void*)pInfo); + (void)sqlite3Fts3ExprIterate(pExpr, fts3ExprLocalHitsCb,(void*)pInfo); break; } } @@ -184428,8 +200234,8 @@ typedef struct TermOffsetCtx TermOffsetCtx; struct TermOffset { char *pList; /* Position-list */ - int iPos; /* Position just read from pList */ - int iOff; /* Offset of this term from read positions */ + i64 iPos; /* Position just read from pList */ + i64 iOff; /* Offset of this term from read positions */ }; struct TermOffsetCtx { @@ -184441,14 +200247,14 @@ struct TermOffsetCtx { }; /* -** This function is an fts3ExprIterate() callback used by sqlite3Fts3Offsets(). +** This function is an sqlite3Fts3ExprIterate() callback used by sqlite3Fts3Offsets(). */ static int fts3ExprTermOffsetInit(Fts3Expr *pExpr, int iPhrase, void *ctx){ TermOffsetCtx *p = (TermOffsetCtx *)ctx; int nTerm; /* Number of tokens in phrase */ int iTerm; /* For looping through nTerm phrase terms */ char *pList; /* Pointer to position list for phrase */ - int iPos = 0; /* First position in position-list */ + i64 iPos = 0; /* First position in position-list */ int rc; UNUSED_PARAMETER(iPhrase); @@ -184497,7 +200303,7 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( if( rc!=SQLITE_OK ) goto offsets_out; /* Allocate the array of TermOffset iterators. */ - sCtx.aTerm = (TermOffset *)sqlite3_malloc64(sizeof(TermOffset)*nToken); + sCtx.aTerm = (TermOffset *)sqlite3Fts3MallocZero(sizeof(TermOffset)*nToken); if( 0==sCtx.aTerm ){ rc = SQLITE_NOMEM; goto offsets_out; @@ -184518,13 +200324,15 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( const char *zDoc; int nDoc; - /* Initialize the contents of sCtx.aTerm[] for column iCol. There is - ** no way that this operation can fail, so the return code from - ** fts3ExprIterate() can be discarded. + /* Initialize the contents of sCtx.aTerm[] for column iCol. This + ** operation may fail if the database contains corrupt records. */ sCtx.iCol = iCol; sCtx.iTerm = 0; - (void)fts3ExprIterate(pCsr->pExpr, fts3ExprTermOffsetInit, (void*)&sCtx); + rc = sqlite3Fts3ExprIterate( + pCsr->pExpr, fts3ExprTermOffsetInit, (void*)&sCtx + ); + if( rc!=SQLITE_OK ) goto offsets_out; /* Retreive the text stored in column iCol. If an SQL NULL is stored ** in column iCol, jump immediately to the next iteration of the loop. @@ -184925,6 +200733,7 @@ static int unicodeOpen( pCsr->aInput = (const unsigned char *)aInput; if( aInput==0 ){ pCsr->nInput = 0; + pCsr->aInput = (const unsigned char*)""; }else if( nInput<0 ){ pCsr->nInput = (int)strlen(aInput); }else{ @@ -185422,7 +201231,7 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ #endif /* !defined(SQLITE_DISABLE_FTS3_UNICODE) */ /************** End of fts3_unicode2.c ***************************************/ -/************** Begin file json1.c *******************************************/ +/************** Begin file json.c ********************************************/ /* ** 2015-08-12 ** @@ -185435,10 +201244,10 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ ** ****************************************************************************** ** -** This SQLite extension implements JSON functions. The interface is -** modeled after MySQL JSON functions: +** This SQLite JSON functions. ** -** https://dev.mysql.com/doc/refman/5.7/en/json.html +** This file began as an extension in ext/misc/json1.c in 2015. That +** extension proved so useful that it has now been moved into the core. ** ** For the time being, all JSON is stored as pure text. (We might add ** a JSONB type in the future which stores a binary encoding of JSON in @@ -185446,48 +201255,8 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ ** This implementation parses JSON text at 250 MB/s, so it is hard to see ** how JSONB might improve on that.) */ -#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_JSON1) -#if !defined(SQLITEINT_H) -/* #include "sqlite3ext.h" */ -#endif -SQLITE_EXTENSION_INIT1 -/* #include */ -/* #include */ -/* #include */ -/* #include */ - -/* Mark a function parameter as unused, to suppress nuisance compiler -** warnings. */ -#ifndef UNUSED_PARAM -# define UNUSED_PARAM(X) (void)(X) -#endif - -#ifndef LARGEST_INT64 -# define LARGEST_INT64 (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32)) -# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64) -#endif - -#ifndef deliberate_fall_through -# define deliberate_fall_through -#endif - -/* -** Versions of isspace(), isalnum() and isdigit() to which it is safe -** to pass signed char values. -*/ -#ifdef sqlite3Isdigit - /* Use the SQLite core versions if this routine is part of the - ** SQLite amalgamation */ -# define safe_isdigit(x) sqlite3Isdigit(x) -# define safe_isalnum(x) sqlite3Isalnum(x) -# define safe_isxdigit(x) sqlite3Isxdigit(x) -#else - /* Use the standard library for separate compilation */ -#include /* amalgamator: keep */ -# define safe_isdigit(x) isdigit((unsigned char)(x)) -# define safe_isalnum(x) isalnum((unsigned char)(x)) -# define safe_isxdigit(x) isxdigit((unsigned char)(x)) -#endif +#ifndef SQLITE_OMIT_JSON +/* #include "sqliteInt.h" */ /* ** Growing our own isspace() routine this way is twice as fast as @@ -185495,38 +201264,62 @@ SQLITE_EXTENSION_INIT1 ** increase for the parser. (Ubuntu14.10 gcc 4.8.4 x64 with -Os). */ static const char jsonIsSpace[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +#define fast_isspace(x) (jsonIsSpace[(unsigned char)x]) + +/* +** Characters that are special to JSON. Control charaters, +** '"' and '\\'. +*/ +static const char jsonIsOk[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; -#define safe_isspace(x) (jsonIsSpace[(unsigned char)x]) -#ifndef SQLITE_AMALGAMATION - /* Unsigned integer types. These are already defined in the sqliteInt.h, - ** but the definitions need to be repeated for separate compilation. */ - typedef sqlite3_uint64 u64; - typedef unsigned int u32; - typedef unsigned short int u16; - typedef unsigned char u8; + +#if !defined(SQLITE_DEBUG) && !defined(SQLITE_COVERAGE_TEST) +# define VVA(X) +#else +# define VVA(X) X #endif /* Objects */ typedef struct JsonString JsonString; typedef struct JsonNode JsonNode; typedef struct JsonParse JsonParse; +typedef struct JsonCleanup JsonCleanup; /* An instance of this object represents a JSON string ** under construction. Really, this is a generic string accumulator @@ -185542,16 +201335,26 @@ struct JsonString { char zSpace[100]; /* Initial static space */ }; +/* A deferred cleanup task. A list of JsonCleanup objects might be +** run when the JsonParse object is destroyed. +*/ +struct JsonCleanup { + JsonCleanup *pJCNext; /* Next in a list */ + void (*xOp)(void*); /* Routine to run */ + void *pArg; /* Argument to xOp() */ +}; + /* JSON type values */ -#define JSON_NULL 0 -#define JSON_TRUE 1 -#define JSON_FALSE 2 -#define JSON_INT 3 -#define JSON_REAL 4 -#define JSON_STRING 5 -#define JSON_ARRAY 6 -#define JSON_OBJECT 7 +#define JSON_SUBST 0 /* Special edit node. Uses u.iPrev */ +#define JSON_NULL 1 +#define JSON_TRUE 2 +#define JSON_FALSE 3 +#define JSON_INT 4 +#define JSON_REAL 5 +#define JSON_STRING 6 +#define JSON_ARRAY 7 +#define JSON_OBJECT 8 /* The "subtype" set for JSON values */ #define JSON_SUBTYPE 74 /* Ascii for "J" */ @@ -185560,58 +201363,97 @@ struct JsonString { ** Names of the various JSON types: */ static const char * const jsonType[] = { + "subst", "null", "true", "false", "integer", "real", "text", "array", "object" }; /* Bit values for the JsonNode.jnFlag field */ -#define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ -#define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ -#define JNODE_REMOVE 0x04 /* Do not output */ -#define JNODE_REPLACE 0x08 /* Replace with JsonNode.u.iReplace */ -#define JNODE_PATCH 0x10 /* Patch with JsonNode.u.pPatch */ -#define JNODE_APPEND 0x20 /* More ARRAY/OBJECT entries at u.iAppend */ -#define JNODE_LABEL 0x40 /* Is a label of an object */ +#define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ +#define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ +#define JNODE_REMOVE 0x04 /* Do not output */ +#define JNODE_REPLACE 0x08 /* Target of a JSON_SUBST node */ +#define JNODE_APPEND 0x10 /* More ARRAY/OBJECT entries at u.iAppend */ +#define JNODE_LABEL 0x20 /* Is a label of an object */ +#define JNODE_JSON5 0x40 /* Node contains JSON5 enhancements */ -/* A single node of parsed JSON +/* A single node of parsed JSON. An array of these nodes describes +** a parse of JSON + edits. +** +** Use the json_parse() SQL function (available when compiled with +** -DSQLITE_DEBUG) to see a dump of complete JsonParse objects, including +** a complete listing and decoding of the array of JsonNodes. */ struct JsonNode { u8 eType; /* One of the JSON_ type values */ u8 jnFlags; /* JNODE flags */ - u32 n; /* Bytes of content, or number of sub-nodes */ + u8 eU; /* Which union element to use */ + u32 n; /* Bytes of content for INT, REAL or STRING + ** Number of sub-nodes for ARRAY and OBJECT + ** Node that SUBST applies to */ union { - const char *zJContent; /* Content for INT, REAL, and STRING */ - u32 iAppend; /* More terms for ARRAY and OBJECT */ - u32 iKey; /* Key for ARRAY objects in json_tree() */ - u32 iReplace; /* Replacement content for JNODE_REPLACE */ - JsonNode *pPatch; /* Node chain of patch for JNODE_PATCH */ + const char *zJContent; /* 1: Content for INT, REAL, and STRING */ + u32 iAppend; /* 2: More terms for ARRAY and OBJECT */ + u32 iKey; /* 3: Key for ARRAY objects in json_tree() */ + u32 iPrev; /* 4: Previous SUBST node, or 0 */ } u; }; -/* A completely parsed JSON string + +/* A parsed and possibly edited JSON string. Lifecycle: +** +** 1. JSON comes in and is parsed into an array aNode[]. The original +** JSON text is stored in zJson. +** +** 2. Zero or more changes are made (via json_remove() or json_replace() +** or similar) to the aNode[] array. +** +** 3. A new, edited and mimified JSON string is generated from aNode +** and stored in zAlt. The JsonParse object always owns zAlt. +** +** Step 1 always happens. Step 2 and 3 may or may not happen, depending +** on the operation. +** +** aNode[].u.zJContent entries typically point into zJson. Hence zJson +** must remain valid for the lifespan of the parse. For edits, +** aNode[].u.zJContent might point to malloced space other than zJson. +** Entries in pClup are responsible for freeing that extra malloced space. +** +** When walking the parse tree in aNode[], edits are ignored if useMod is +** false. */ struct JsonParse { u32 nNode; /* Number of slots of aNode[] used */ u32 nAlloc; /* Number of slots of aNode[] allocated */ JsonNode *aNode; /* Array of nodes containing the parse */ - const char *zJson; /* Original JSON string */ + char *zJson; /* Original JSON string (before edits) */ + char *zAlt; /* Revised and/or mimified JSON */ u32 *aUp; /* Index of parent of each node */ - u8 oom; /* Set to true if out of memory */ - u8 nErr; /* Number of errors seen */ + JsonCleanup *pClup;/* Cleanup operations prior to freeing this object */ u16 iDepth; /* Nesting depth */ + u8 nErr; /* Number of errors seen */ + u8 oom; /* Set to true if out of memory */ + u8 bJsonIsRCStr; /* True if zJson is an RCStr */ + u8 hasNonstd; /* True if input uses non-standard features like JSON5 */ + u8 useMod; /* Actually use the edits contain inside aNode */ + u8 hasMod; /* aNode contains edits from the original zJson */ + u32 nJPRef; /* Number of references to this object */ int nJson; /* Length of the zJson string in bytes */ - u32 iHold; /* Replace cache line with the lowest iHold value */ + int nAlt; /* Length of alternative JSON string zAlt, in bytes */ + u32 iErr; /* Error location in zJson[] */ + u32 iSubst; /* Last JSON_SUBST entry in aNode[] */ + u32 iHold; /* Age of this entry in the cache for LRU replacement */ }; /* ** Maximum nesting depth of JSON for this implementation. ** ** This limit is needed to avoid a stack overflow in the recursive -** descent parser. A depth of 2000 is far deeper than any sane JSON -** should go. +** descent parser. A depth of 1000 is far deeper than any sane JSON +** should go. Historical note: This limit was 2000 prior to version 3.42.0 */ -#define JSON_MAX_DEPTH 2000 +#define JSON_MAX_DEPTH 1000 /************************************************************************** ** Utility routines for dealing with JsonString objects @@ -185634,16 +201476,14 @@ static void jsonInit(JsonString *p, sqlite3_context *pCtx){ jsonZero(p); } - /* Free all allocated memory and reset the JsonString object back to its ** initial state. */ static void jsonReset(JsonString *p){ - if( !p->bStatic ) sqlite3_free(p->zBuf); + if( !p->bStatic ) sqlite3RCStrUnref(p->zBuf); jsonZero(p); } - /* Report an out-of-memory (OOM) condition */ static void jsonOom(JsonString *p){ @@ -185660,7 +201500,7 @@ static int jsonGrow(JsonString *p, u32 N){ char *zNew; if( p->bStatic ){ if( p->bErr ) return 1; - zNew = sqlite3_malloc64(nTotal); + zNew = sqlite3RCStrNew(nTotal); if( zNew==0 ){ jsonOom(p); return SQLITE_NOMEM; @@ -185669,12 +201509,12 @@ static int jsonGrow(JsonString *p, u32 N){ p->zBuf = zNew; p->bStatic = 0; }else{ - zNew = sqlite3_realloc64(p->zBuf, nTotal); - if( zNew==0 ){ - jsonOom(p); + p->zBuf = sqlite3RCStrResize(p->zBuf, nTotal); + if( p->zBuf==0 ){ + p->bErr = 1; + jsonZero(p); return SQLITE_NOMEM; } - p->zBuf = zNew; } p->nAlloc = nTotal; return SQLITE_OK; @@ -185682,12 +201522,35 @@ static int jsonGrow(JsonString *p, u32 N){ /* Append N bytes from zIn onto the end of the JsonString string. */ -static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ - if( N==0 ) return; - if( (N+p->nUsed >= p->nAlloc) && jsonGrow(p,N)!=0 ) return; +static SQLITE_NOINLINE void jsonAppendExpand( + JsonString *p, + const char *zIn, + u32 N +){ + assert( N>0 ); + if( jsonGrow(p,N) ) return; memcpy(p->zBuf+p->nUsed, zIn, N); p->nUsed += N; } +static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ + if( N==0 ) return; + if( N+p->nUsed >= p->nAlloc ){ + jsonAppendExpand(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} +static void jsonAppendRawNZ(JsonString *p, const char *zIn, u32 N){ + assert( N>0 ); + if( N+p->nUsed >= p->nAlloc ){ + jsonAppendExpand(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} + /* Append formatted text (not to exceed N bytes) to the JsonString. */ @@ -185702,10 +201565,35 @@ static void jsonPrintf(int N, JsonString *p, const char *zFormat, ...){ /* Append a single character */ -static void jsonAppendChar(JsonString *p, char c){ - if( p->nUsed>=p->nAlloc && jsonGrow(p,1)!=0 ) return; +static SQLITE_NOINLINE void jsonAppendCharExpand(JsonString *p, char c){ + if( jsonGrow(p,1) ) return; p->zBuf[p->nUsed++] = c; } +static void jsonAppendChar(JsonString *p, char c){ + if( p->nUsed>=p->nAlloc ){ + jsonAppendCharExpand(p,c); + }else{ + p->zBuf[p->nUsed++] = c; + } +} + +/* Try to force the string to be a zero-terminated RCStr string. +** +** Return true on success. Return false if an OOM prevents this +** from happening. +*/ +static int jsonForceRCStr(JsonString *p){ + jsonAppendChar(p, 0); + if( p->bErr ) return 0; + p->nUsed--; + if( p->bStatic==0 ) return 1; + p->nAlloc = 0; + p->nUsed++; + jsonGrow(p, p->nUsed); + p->nUsed--; + return p->bStatic==0; +} + /* Append a comma separator to the output buffer, if the previous ** character is not '[' or '{'. @@ -185714,7 +201602,8 @@ static void jsonAppendSeparator(JsonString *p){ char c; if( p->nUsed==0 ) return; c = p->zBuf[p->nUsed-1]; - if( c!='[' && c!='{' ) jsonAppendChar(p, ','); + if( c=='[' || c=='{' ) return; + jsonAppendChar(p, ','); } /* Append the N-byte string in zIn to the end of the JsonString string @@ -185724,15 +201613,20 @@ static void jsonAppendSeparator(JsonString *p){ */ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ u32 i; - if( (N+p->nUsed+2 >= p->nAlloc) && jsonGrow(p,N+2)!=0 ) return; + if( zIn==0 || ((N+p->nUsed+2 >= p->nAlloc) && jsonGrow(p,N+2)!=0) ) return; p->zBuf[p->nUsed++] = '"'; for(i=0; izBuf[p->nUsed++] = c; + }else if( c=='"' || c=='\\' ){ json_simple_escape: if( (p->nUsed+N+3-i > p->nAlloc) && jsonGrow(p,N+3-i)!=0 ) return; p->zBuf[p->nUsed++] = '\\'; - }else if( c<=0x1f ){ + p->zBuf[p->nUsed++] = c; + }else if( c=='\'' ){ + p->zBuf[p->nUsed++] = c; + }else{ static const char aSpecial[] = { 0, 0, 0, 0, 0, 0, 0, 0, 'b', 't', 'n', 0, 'f', 'r', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 @@ -185743,6 +201637,7 @@ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ assert( aSpecial['\n']=='n' ); assert( aSpecial['\r']=='r' ); assert( aSpecial['\t']=='t' ); + assert( c>=0 && czBuf[p->nUsed++] = 'u'; p->zBuf[p->nUsed++] = '0'; p->zBuf[p->nUsed++] = '0'; - p->zBuf[p->nUsed++] = '0' + (c>>4); - c = "0123456789abcdef"[c&0xf]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c>>4]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c&0xf]; } - p->zBuf[p->nUsed++] = c; } p->zBuf[p->nUsed++] = '"'; assert( p->nUsednAlloc ); } +/* +** The zIn[0..N] string is a JSON5 string literal. Append to p a translation +** of the string literal that standard JSON and that omits all JSON5 +** features. +*/ +static void jsonAppendNormalizedString(JsonString *p, const char *zIn, u32 N){ + u32 i; + jsonAppendChar(p, '"'); + zIn++; + N -= 2; + while( N>0 ){ + for(i=0; i0 ){ + jsonAppendRawNZ(p, zIn, i); + zIn += i; + N -= i; + if( N==0 ) break; + } + assert( zIn[0]=='\\' ); + switch( (u8)zIn[1] ){ + case '\'': + jsonAppendChar(p, '\''); + break; + case 'v': + jsonAppendRawNZ(p, "\\u0009", 6); + break; + case 'x': + jsonAppendRawNZ(p, "\\u00", 4); + jsonAppendRawNZ(p, &zIn[2], 2); + zIn += 2; + N -= 2; + break; + case '0': + jsonAppendRawNZ(p, "\\u0000", 6); + break; + case '\r': + if( zIn[2]=='\n' ){ + zIn++; + N--; + } + break; + case '\n': + break; + case 0xe2: + assert( N>=4 ); + assert( 0x80==(u8)zIn[2] ); + assert( 0xa8==(u8)zIn[3] || 0xa9==(u8)zIn[3] ); + zIn += 2; + N -= 2; + break; + default: + jsonAppendRawNZ(p, zIn, 2); + break; + } + zIn += 2; + N -= 2; + } + jsonAppendChar(p, '"'); +} + +/* +** The zIn[0..N] string is a JSON5 integer literal. Append to p a translation +** of the string literal that standard JSON and that omits all JSON5 +** features. +*/ +static void jsonAppendNormalizedInt(JsonString *p, const char *zIn, u32 N){ + if( zIn[0]=='+' ){ + zIn++; + N--; + }else if( zIn[0]=='-' ){ + jsonAppendChar(p, '-'); + zIn++; + N--; + } + if( zIn[0]=='0' && (zIn[1]=='x' || zIn[1]=='X') ){ + sqlite3_int64 i = 0; + int rc = sqlite3DecOrHexToI64(zIn, &i); + if( rc<=1 ){ + jsonPrintf(100,p,"%lld",i); + }else{ + assert( rc==2 ); + jsonAppendRawNZ(p, "9.0e999", 7); + } + return; + } + assert( N>0 ); + jsonAppendRawNZ(p, zIn, N); +} + +/* +** The zIn[0..N] string is a JSON5 real literal. Append to p a translation +** of the string literal that standard JSON and that omits all JSON5 +** features. +*/ +static void jsonAppendNormalizedReal(JsonString *p, const char *zIn, u32 N){ + u32 i; + if( zIn[0]=='+' ){ + zIn++; + N--; + }else if( zIn[0]=='-' ){ + jsonAppendChar(p, '-'); + zIn++; + N--; + } + if( zIn[0]=='.' ){ + jsonAppendChar(p, '0'); + } + for(i=0; i0 ){ + jsonAppendRawNZ(p, zIn, N); + } +} + + + /* ** Append a function parameter value to the JSON string under ** construction. @@ -185771,11 +201789,14 @@ static void jsonAppendValue( ){ switch( sqlite3_value_type(pValue) ){ case SQLITE_NULL: { - jsonAppendRaw(p, "null", 4); + jsonAppendRawNZ(p, "null", 4); break; } - case SQLITE_INTEGER: case SQLITE_FLOAT: { + jsonPrintf(100, p, "%!0.15g", sqlite3_value_double(pValue)); + break; + } + case SQLITE_INTEGER: { const char *z = (const char*)sqlite3_value_text(pValue); u32 n = (u32)sqlite3_value_bytes(pValue); jsonAppendRaw(p, z, n); @@ -185804,15 +201825,25 @@ static void jsonAppendValue( /* Make the JSON in p the result of the SQL function. +** +** The JSON string is reset. */ static void jsonResult(JsonString *p){ if( p->bErr==0 ){ - sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, - p->bStatic ? SQLITE_TRANSIENT : sqlite3_free, - SQLITE_UTF8); - jsonZero(p); + if( p->bStatic ){ + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + SQLITE_TRANSIENT, SQLITE_UTF8); + }else if( jsonForceRCStr(p) ){ + sqlite3RCStrRef(p->zBuf); + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + (void(*)(void*))sqlite3RCStrUnref, + SQLITE_UTF8); + } } - assert( p->bStatic ); + if( p->bErr==1 ){ + sqlite3_result_error_nomem(p->pCtx); + } + jsonReset(p); } /************************************************************************** @@ -185837,20 +201868,73 @@ static u32 jsonNodeSize(JsonNode *pNode){ ** delete the JsonParse object itself. */ static void jsonParseReset(JsonParse *pParse){ - sqlite3_free(pParse->aNode); - pParse->aNode = 0; + while( pParse->pClup ){ + JsonCleanup *pTask = pParse->pClup; + pParse->pClup = pTask->pJCNext; + pTask->xOp(pTask->pArg); + sqlite3_free(pTask); + } + assert( pParse->nJPRef<=1 ); + if( pParse->aNode ){ + sqlite3_free(pParse->aNode); + pParse->aNode = 0; + } pParse->nNode = 0; pParse->nAlloc = 0; - sqlite3_free(pParse->aUp); - pParse->aUp = 0; + if( pParse->aUp ){ + sqlite3_free(pParse->aUp); + pParse->aUp = 0; + } + if( pParse->bJsonIsRCStr ){ + sqlite3RCStrUnref(pParse->zJson); + pParse->zJson = 0; + pParse->bJsonIsRCStr = 0; + } + if( pParse->zAlt ){ + sqlite3RCStrUnref(pParse->zAlt); + pParse->zAlt = 0; + } } /* ** Free a JsonParse object that was obtained from sqlite3_malloc(). +** +** Note that destroying JsonParse might call sqlite3RCStrUnref() to +** destroy the zJson value. The RCStr object might recursively invoke +** JsonParse to destroy this pParse object again. Take care to ensure +** that this recursive destructor sequence terminates harmlessly. */ static void jsonParseFree(JsonParse *pParse){ - jsonParseReset(pParse); - sqlite3_free(pParse); + if( pParse->nJPRef>1 ){ + pParse->nJPRef--; + }else{ + jsonParseReset(pParse); + sqlite3_free(pParse); + } +} + +/* +** Add a cleanup task to the JsonParse object. +** +** If an OOM occurs, the cleanup operation happens immediately +** and this function returns SQLITE_NOMEM. +*/ +static int jsonParseAddCleanup( + JsonParse *pParse, /* Add the cleanup task to this parser */ + void(*xOp)(void*), /* The cleanup task */ + void *pArg /* Argument to the cleanup */ +){ + JsonCleanup *pTask = sqlite3_malloc64( sizeof(*pTask) ); + if( pTask==0 ){ + pParse->oom = 1; + xOp(pArg); + return SQLITE_ERROR; + } + pTask->pJCNext = pParse->pClup; + pParse->pClup = pTask; + pTask->xOp = xOp; + pTask->pArg = pArg; + return SQLITE_OK; } /* @@ -185859,41 +201943,76 @@ static void jsonParseFree(JsonParse *pParse){ ** the number of JsonNode objects that are encoded. */ static void jsonRenderNode( + JsonParse *pParse, /* the complete parse of the JSON */ JsonNode *pNode, /* The node to render */ - JsonString *pOut, /* Write JSON here */ - sqlite3_value **aReplace /* Replacement values */ + JsonString *pOut /* Write JSON here */ ){ - if( pNode->jnFlags & (JNODE_REPLACE|JNODE_PATCH) ){ - if( pNode->jnFlags & JNODE_REPLACE ){ - jsonAppendValue(pOut, aReplace[pNode->u.iReplace]); - return; + assert( pNode!=0 ); + while( (pNode->jnFlags & JNODE_REPLACE)!=0 && pParse->useMod ){ + u32 idx = (u32)(pNode - pParse->aNode); + u32 i = pParse->iSubst; + while( 1 /*exit-by-break*/ ){ + assert( inNode ); + assert( pParse->aNode[i].eType==JSON_SUBST ); + assert( pParse->aNode[i].eU==4 ); + assert( pParse->aNode[i].u.iPrevaNode[i].n==idx ){ + pNode = &pParse->aNode[i+1]; + break; + } + i = pParse->aNode[i].u.iPrev; } - pNode = pNode->u.pPatch; } switch( pNode->eType ){ default: { assert( pNode->eType==JSON_NULL ); - jsonAppendRaw(pOut, "null", 4); + jsonAppendRawNZ(pOut, "null", 4); break; } case JSON_TRUE: { - jsonAppendRaw(pOut, "true", 4); + jsonAppendRawNZ(pOut, "true", 4); break; } case JSON_FALSE: { - jsonAppendRaw(pOut, "false", 5); + jsonAppendRawNZ(pOut, "false", 5); break; } case JSON_STRING: { + assert( pNode->eU==1 ); if( pNode->jnFlags & JNODE_RAW ){ - jsonAppendString(pOut, pNode->u.zJContent, pNode->n); - break; + if( pNode->jnFlags & JNODE_LABEL ){ + jsonAppendChar(pOut, '"'); + jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); + jsonAppendChar(pOut, '"'); + }else{ + jsonAppendString(pOut, pNode->u.zJContent, pNode->n); + } + }else if( pNode->jnFlags & JNODE_JSON5 ){ + jsonAppendNormalizedString(pOut, pNode->u.zJContent, pNode->n); + }else{ + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); } - /* no break */ deliberate_fall_through + break; + } + case JSON_REAL: { + assert( pNode->eU==1 ); + if( pNode->jnFlags & JNODE_JSON5 ){ + jsonAppendNormalizedReal(pOut, pNode->u.zJContent, pNode->n); + }else{ + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); + } + break; } - case JSON_REAL: case JSON_INT: { - jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); + assert( pNode->eU==1 ); + if( pNode->jnFlags & JNODE_JSON5 ){ + jsonAppendNormalizedInt(pOut, pNode->u.zJContent, pNode->n); + }else{ + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); + } break; } case JSON_ARRAY: { @@ -185901,14 +202020,16 @@ static void jsonRenderNode( jsonAppendChar(pOut, '['); for(;;){ while( j<=pNode->n ){ - if( (pNode[j].jnFlags & JNODE_REMOVE)==0 ){ + if( (pNode[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ){ jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j], pOut); } j += jsonNodeSize(&pNode[j]); } if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; - pNode = &pNode[pNode->u.iAppend]; + if( pParse->useMod==0 ) break; + assert( pNode->eU==2 ); + pNode = &pParse->aNode[pNode->u.iAppend]; j = 1; } jsonAppendChar(pOut, ']'); @@ -185919,16 +202040,18 @@ static void jsonRenderNode( jsonAppendChar(pOut, '{'); for(;;){ while( j<=pNode->n ){ - if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 ){ + if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ){ jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j], pOut); jsonAppendChar(pOut, ':'); - jsonRenderNode(&pNode[j+1], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j+1], pOut); } j += 1 + jsonNodeSize(&pNode[j+1]); } if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; - pNode = &pNode[pNode->u.iAppend]; + if( pParse->useMod==0 ) break; + assert( pNode->eU==2 ); + pNode = &pParse->aNode[pNode->u.iAppend]; j = 1; } jsonAppendChar(pOut, '}'); @@ -185938,18 +202061,29 @@ static void jsonRenderNode( } /* -** Return a JsonNode and all its descendents as a JSON string. +** Return a JsonNode and all its descendants as a JSON string. */ static void jsonReturnJson( + JsonParse *pParse, /* The complete JSON */ JsonNode *pNode, /* Node to return */ sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ + int bGenerateAlt /* Also store the rendered text in zAlt */ ){ JsonString s; - jsonInit(&s, pCtx); - jsonRenderNode(pNode, &s, aReplace); - jsonResult(&s); - sqlite3_result_subtype(pCtx, JSON_SUBTYPE); + if( pParse->oom ){ + sqlite3_result_error_nomem(pCtx); + return; + } + if( pParse->nErr==0 ){ + jsonInit(&s, pCtx); + jsonRenderNode(pParse, pNode, &s); + if( bGenerateAlt && pParse->zAlt==0 && jsonForceRCStr(&s) ){ + pParse->zAlt = sqlite3RCStrRef(s.zBuf); + pParse->nAlt = s.nUsed; + } + jsonResult(&s); + sqlite3_result_subtype(pCtx, JSON_SUBTYPE); + } } /* @@ -185972,10 +202106,10 @@ static u8 jsonHexToInt(int h){ */ static u32 jsonHexToInt4(const char *z){ u32 v; - assert( safe_isxdigit(z[0]) ); - assert( safe_isxdigit(z[1]) ); - assert( safe_isxdigit(z[2]) ); - assert( safe_isxdigit(z[3]) ); + assert( sqlite3Isxdigit(z[0]) ); + assert( sqlite3Isxdigit(z[1]) ); + assert( sqlite3Isxdigit(z[2]) ); + assert( sqlite3Isxdigit(z[3]) ); v = (jsonHexToInt(z[0])<<12) + (jsonHexToInt(z[1])<<8) + (jsonHexToInt(z[2])<<4) @@ -185987,9 +202121,9 @@ static u32 jsonHexToInt4(const char *z){ ** Make the JsonNode the return value of the function. */ static void jsonReturn( + JsonParse *pParse, /* Complete JSON parse tree */ JsonNode *pNode, /* Node to return */ - sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ + sqlite3_context *pCtx /* Return value for this function */ ){ switch( pNode->eType ){ default: { @@ -186007,73 +202141,62 @@ static void jsonReturn( } case JSON_INT: { sqlite3_int64 i = 0; - const char *z = pNode->u.zJContent; - if( z[0]=='-' ){ z++; } - while( z[0]>='0' && z[0]<='9' ){ - unsigned v = *(z++) - '0'; - if( i>=LARGEST_INT64/10 ){ - if( i>LARGEST_INT64/10 ) goto int_as_real; - if( z[0]>='0' && z[0]<='9' ) goto int_as_real; - if( v==9 ) goto int_as_real; - if( v==8 ){ - if( pNode->u.zJContent[0]=='-' ){ - sqlite3_result_int64(pCtx, SMALLEST_INT64); - goto int_done; - }else{ - goto int_as_real; - } - } - } - i = i*10 + v; + int rc; + int bNeg = 0; + const char *z; + + assert( pNode->eU==1 ); + z = pNode->u.zJContent; + if( z[0]=='-' ){ z++; bNeg = 1; } + else if( z[0]=='+' ){ z++; } + rc = sqlite3DecOrHexToI64(z, &i); + if( rc<=1 ){ + sqlite3_result_int64(pCtx, bNeg ? -i : i); + }else if( rc==3 && bNeg ){ + sqlite3_result_int64(pCtx, SMALLEST_INT64); + }else{ + goto to_double; } - if( pNode->u.zJContent[0]=='-' ){ i = -i; } - sqlite3_result_int64(pCtx, i); - int_done: break; - int_as_real: i=0; /* no break */ deliberate_fall_through } case JSON_REAL: { double r; -#ifdef SQLITE_AMALGAMATION - const char *z = pNode->u.zJContent; + const char *z; + assert( pNode->eU==1 ); + to_double: + z = pNode->u.zJContent; sqlite3AtoF(z, &r, sqlite3Strlen30(z), SQLITE_UTF8); -#else - r = strtod(pNode->u.zJContent, 0); -#endif sqlite3_result_double(pCtx, r); break; } case JSON_STRING: { -#if 0 /* Never happens because JNODE_RAW is only set by json_set(), - ** json_insert() and json_replace() and those routines do not - ** call jsonReturn() */ if( pNode->jnFlags & JNODE_RAW ){ + assert( pNode->eU==1 ); sqlite3_result_text(pCtx, pNode->u.zJContent, pNode->n, SQLITE_TRANSIENT); - }else -#endif - assert( (pNode->jnFlags & JNODE_RAW)==0 ); - if( (pNode->jnFlags & JNODE_ESCAPE)==0 ){ + }else if( (pNode->jnFlags & JNODE_ESCAPE)==0 ){ /* JSON formatted without any backslash-escapes */ + assert( pNode->eU==1 ); sqlite3_result_text(pCtx, pNode->u.zJContent+1, pNode->n-2, SQLITE_TRANSIENT); }else{ /* Translate JSON formatted string into raw text */ u32 i; u32 n = pNode->n; - const char *z = pNode->u.zJContent; + const char *z; char *zOut; u32 j; - zOut = sqlite3_malloc( n+1 ); + u32 nOut = n; + assert( pNode->eU==1 ); + z = pNode->u.zJContent; + zOut = sqlite3_malloc( nOut+1 ); if( zOut==0 ){ sqlite3_result_error_nomem(pCtx); break; } for(i=1, j=0; iaNode after first expanding the +** size of the aNode array. Return the index of the new node. +** +** If an OOM error occurs, set pParse->oom and return -1. +*/ static JSON_NOINLINE int jsonParseAddNodeExpand( JsonParse *pParse, /* Append the node to this object */ u32 eType, /* Node type */ @@ -186166,7 +202313,7 @@ static JSON_NOINLINE int jsonParseAddNodeExpand( pParse->oom = 1; return -1; } - pParse->nAlloc = nNew; + pParse->nAlloc = sqlite3_msize(pNew)/sizeof(JsonNode); pParse->aNode = pNew; assert( pParse->nNodenAlloc ); return jsonParseAddNode(pParse, eType, n, zContent); @@ -186184,33 +202331,239 @@ static int jsonParseAddNode( const char *zContent /* Content */ ){ JsonNode *p; + assert( pParse->aNode!=0 || pParse->nNode>=pParse->nAlloc ); if( pParse->nNode>=pParse->nAlloc ){ return jsonParseAddNodeExpand(pParse, eType, n, zContent); } + assert( pParse->aNode!=0 ); p = &pParse->aNode[pParse->nNode]; - p->eType = (u8)eType; - p->jnFlags = 0; + assert( p!=0 ); + p->eType = (u8)(eType & 0xff); + p->jnFlags = (u8)(eType >> 8); + VVA( p->eU = zContent ? 1 : 0 ); p->n = n; p->u.zJContent = zContent; return pParse->nNode++; } +/* +** Add an array of new nodes to the current pParse->aNode array. +** Return the index of the first node added. +** +** If an OOM error occurs, set pParse->oom. +*/ +static void jsonParseAddNodeArray( + JsonParse *pParse, /* Append the node to this object */ + JsonNode *aNode, /* Array of nodes to add */ + u32 nNode /* Number of elements in aNew */ +){ + assert( aNode!=0 ); + assert( nNode>=1 ); + if( pParse->nNode + nNode > pParse->nAlloc ){ + u32 nNew = pParse->nNode + nNode; + JsonNode *aNew = sqlite3_realloc64(pParse->aNode, nNew*sizeof(JsonNode)); + if( aNew==0 ){ + pParse->oom = 1; + return; + } + pParse->nAlloc = sqlite3_msize(aNew)/sizeof(JsonNode); + pParse->aNode = aNew; + } + memcpy(&pParse->aNode[pParse->nNode], aNode, nNode*sizeof(JsonNode)); + pParse->nNode += nNode; +} + +/* +** Add a new JSON_SUBST node. The node immediately following +** this new node will be the substitute content for iNode. +*/ +static int jsonParseAddSubstNode( + JsonParse *pParse, /* Add the JSON_SUBST here */ + u32 iNode /* References this node */ +){ + int idx = jsonParseAddNode(pParse, JSON_SUBST, iNode, 0); + if( pParse->oom ) return -1; + pParse->aNode[iNode].jnFlags |= JNODE_REPLACE; + pParse->aNode[idx].eU = 4; + pParse->aNode[idx].u.iPrev = pParse->iSubst; + pParse->iSubst = idx; + pParse->hasMod = 1; + pParse->useMod = 1; + return idx; +} + +/* +** Return true if z[] begins with 2 (or more) hexadecimal digits +*/ +static int jsonIs2Hex(const char *z){ + return sqlite3Isxdigit(z[0]) && sqlite3Isxdigit(z[1]); +} + /* ** Return true if z[] begins with 4 (or more) hexadecimal digits */ static int jsonIs4Hex(const char *z){ - int i; - for(i=0; i<4; i++) if( !safe_isxdigit(z[i]) ) return 0; - return 1; + return jsonIs2Hex(z) && jsonIs2Hex(&z[2]); +} + +/* +** Return the number of bytes of JSON5 whitespace at the beginning of +** the input string z[]. +** +** JSON5 whitespace consists of any of the following characters: +** +** Unicode UTF-8 Name +** U+0009 09 horizontal tab +** U+000a 0a line feed +** U+000b 0b vertical tab +** U+000c 0c form feed +** U+000d 0d carriage return +** U+0020 20 space +** U+00a0 c2 a0 non-breaking space +** U+1680 e1 9a 80 ogham space mark +** U+2000 e2 80 80 en quad +** U+2001 e2 80 81 em quad +** U+2002 e2 80 82 en space +** U+2003 e2 80 83 em space +** U+2004 e2 80 84 three-per-em space +** U+2005 e2 80 85 four-per-em space +** U+2006 e2 80 86 six-per-em space +** U+2007 e2 80 87 figure space +** U+2008 e2 80 88 punctuation space +** U+2009 e2 80 89 thin space +** U+200a e2 80 8a hair space +** U+2028 e2 80 a8 line separator +** U+2029 e2 80 a9 paragraph separator +** U+202f e2 80 af narrow no-break space (NNBSP) +** U+205f e2 81 9f medium mathematical space (MMSP) +** U+3000 e3 80 80 ideographical space +** U+FEFF ef bb bf byte order mark +** +** In addition, comments between '/', '*' and '*', '/' and +** from '/', '/' to end-of-line are also considered to be whitespace. +*/ +static int json5Whitespace(const char *zIn){ + int n = 0; + const u8 *z = (u8*)zIn; + while( 1 /*exit by "goto whitespace_done"*/ ){ + switch( z[n] ){ + case 0x09: + case 0x0a: + case 0x0b: + case 0x0c: + case 0x0d: + case 0x20: { + n++; + break; + } + case '/': { + if( z[n+1]=='*' && z[n+2]!=0 ){ + int j; + for(j=n+3; z[j]!='/' || z[j-1]!='*'; j++){ + if( z[j]==0 ) goto whitespace_done; + } + n = j+1; + break; + }else if( z[n+1]=='/' ){ + int j; + char c; + for(j=n+2; (c = z[j])!=0; j++){ + if( c=='\n' || c=='\r' ) break; + if( 0xe2==(u8)c && 0x80==(u8)z[j+1] + && (0xa8==(u8)z[j+2] || 0xa9==(u8)z[j+2]) + ){ + j += 2; + break; + } + } + n = j; + if( z[n] ) n++; + break; + } + goto whitespace_done; + } + case 0xc2: { + if( z[n+1]==0xa0 ){ + n += 2; + break; + } + goto whitespace_done; + } + case 0xe1: { + if( z[n+1]==0x9a && z[n+2]==0x80 ){ + n += 3; + break; + } + goto whitespace_done; + } + case 0xe2: { + if( z[n+1]==0x80 ){ + u8 c = z[n+2]; + if( c<0x80 ) goto whitespace_done; + if( c<=0x8a || c==0xa8 || c==0xa9 || c==0xaf ){ + n += 3; + break; + } + }else if( z[n+1]==0x81 && z[n+2]==0x9f ){ + n += 3; + break; + } + goto whitespace_done; + } + case 0xe3: { + if( z[n+1]==0x80 && z[n+2]==0x80 ){ + n += 3; + break; + } + goto whitespace_done; + } + case 0xef: { + if( z[n+1]==0xbb && z[n+2]==0xbf ){ + n += 3; + break; + } + goto whitespace_done; + } + default: { + goto whitespace_done; + } + } + } + whitespace_done: + return n; } +/* +** Extra floating-point literals to allow in JSON. +*/ +static const struct NanInfName { + char c1; + char c2; + char n; + char eType; + char nRepl; + char *zMatch; + char *zRepl; +} aNanInfName[] = { + { 'i', 'I', 3, JSON_REAL, 7, "inf", "9.0e999" }, + { 'i', 'I', 8, JSON_REAL, 7, "infinity", "9.0e999" }, + { 'n', 'N', 3, JSON_NULL, 4, "NaN", "null" }, + { 'q', 'Q', 4, JSON_NULL, 4, "QNaN", "null" }, + { 's', 'S', 4, JSON_NULL, 4, "SNaN", "null" }, +}; + /* ** Parse a single JSON value which begins at pParse->zJson[i]. Return the ** index of the first character past the end of the value parsed. ** -** Return negative for a syntax error. Special cases: return -2 if the -** first non-whitespace character is '}' and return -3 if the first -** non-whitespace character is ']'. +** Special return values: +** +** 0 End of input +** -1 Syntax error +** -2 '}' seen +** -3 ']' seen +** -4 ',' seen +** -5 ':' seen */ static int jsonParseValue(JsonParse *pParse, u32 i){ char c; @@ -186219,174 +202572,457 @@ static int jsonParseValue(JsonParse *pParse, u32 i){ int x; JsonNode *pNode; const char *z = pParse->zJson; - while( safe_isspace(z[i]) ){ i++; } - if( (c = z[i])=='{' ){ +json_parse_restart: + switch( (u8)z[i] ){ + case '{': { /* Parse object */ iThis = jsonParseAddNode(pParse, JSON_OBJECT, 0, 0); if( iThis<0 ) return -1; + if( ++pParse->iDepth > JSON_MAX_DEPTH ){ + pParse->iErr = i; + return -1; + } for(j=i+1;;j++){ - while( safe_isspace(z[j]) ){ j++; } - if( ++pParse->iDepth > JSON_MAX_DEPTH ) return -1; + u32 nNode = pParse->nNode; x = jsonParseValue(pParse, j); - if( x<0 ){ - pParse->iDepth--; - if( x==(-2) && pParse->nNode==(u32)iThis+1 ) return j+1; - return -1; + if( x<=0 ){ + if( x==(-2) ){ + j = pParse->iErr; + if( pParse->nNode!=(u32)iThis+1 ) pParse->hasNonstd = 1; + break; + } + j += json5Whitespace(&z[j]); + if( sqlite3JsonId1(z[j]) + || (z[j]=='\\' && z[j+1]=='u' && jsonIs4Hex(&z[j+2])) + ){ + int k = j+1; + while( (sqlite3JsonId2(z[k]) && json5Whitespace(&z[k])==0) + || (z[k]=='\\' && z[k+1]=='u' && jsonIs4Hex(&z[k+2])) + ){ + k++; + } + jsonParseAddNode(pParse, JSON_STRING | (JNODE_RAW<<8), k-j, &z[j]); + pParse->hasNonstd = 1; + x = k; + }else{ + if( x!=-1 ) pParse->iErr = j; + return -1; + } } if( pParse->oom ) return -1; - pNode = &pParse->aNode[pParse->nNode-1]; - if( pNode->eType!=JSON_STRING ) return -1; + pNode = &pParse->aNode[nNode]; + if( pNode->eType!=JSON_STRING ){ + pParse->iErr = j; + return -1; + } pNode->jnFlags |= JNODE_LABEL; j = x; - while( safe_isspace(z[j]) ){ j++; } - if( z[j]!=':' ) return -1; - j++; + if( z[j]==':' ){ + j++; + }else{ + if( fast_isspace(z[j]) ){ + do{ j++; }while( fast_isspace(z[j]) ); + if( z[j]==':' ){ + j++; + goto parse_object_value; + } + } + x = jsonParseValue(pParse, j); + if( x!=(-5) ){ + if( x!=(-1) ) pParse->iErr = j; + return -1; + } + j = pParse->iErr+1; + } + parse_object_value: x = jsonParseValue(pParse, j); - pParse->iDepth--; - if( x<0 ) return -1; + if( x<=0 ){ + if( x!=(-1) ) pParse->iErr = j; + return -1; + } j = x; - while( safe_isspace(z[j]) ){ j++; } - c = z[j]; - if( c==',' ) continue; - if( c!='}' ) return -1; - break; + if( z[j]==',' ){ + continue; + }else if( z[j]=='}' ){ + break; + }else{ + if( fast_isspace(z[j]) ){ + do{ j++; }while( fast_isspace(z[j]) ); + if( z[j]==',' ){ + continue; + }else if( z[j]=='}' ){ + break; + } + } + x = jsonParseValue(pParse, j); + if( x==(-4) ){ + j = pParse->iErr; + continue; + } + if( x==(-2) ){ + j = pParse->iErr; + break; + } + } + pParse->iErr = j; + return -1; } pParse->aNode[iThis].n = pParse->nNode - (u32)iThis - 1; + pParse->iDepth--; return j+1; - }else if( c=='[' ){ + } + case '[': { /* Parse array */ iThis = jsonParseAddNode(pParse, JSON_ARRAY, 0, 0); if( iThis<0 ) return -1; + if( ++pParse->iDepth > JSON_MAX_DEPTH ){ + pParse->iErr = i; + return -1; + } + memset(&pParse->aNode[iThis].u, 0, sizeof(pParse->aNode[iThis].u)); for(j=i+1;;j++){ - while( safe_isspace(z[j]) ){ j++; } - if( ++pParse->iDepth > JSON_MAX_DEPTH ) return -1; x = jsonParseValue(pParse, j); - pParse->iDepth--; - if( x<0 ){ - if( x==(-3) && pParse->nNode==(u32)iThis+1 ) return j+1; + if( x<=0 ){ + if( x==(-3) ){ + j = pParse->iErr; + if( pParse->nNode!=(u32)iThis+1 ) pParse->hasNonstd = 1; + break; + } + if( x!=(-1) ) pParse->iErr = j; return -1; } j = x; - while( safe_isspace(z[j]) ){ j++; } - c = z[j]; - if( c==',' ) continue; - if( c!=']' ) return -1; - break; + if( z[j]==',' ){ + continue; + }else if( z[j]==']' ){ + break; + }else{ + if( fast_isspace(z[j]) ){ + do{ j++; }while( fast_isspace(z[j]) ); + if( z[j]==',' ){ + continue; + }else if( z[j]==']' ){ + break; + } + } + x = jsonParseValue(pParse, j); + if( x==(-4) ){ + j = pParse->iErr; + continue; + } + if( x==(-3) ){ + j = pParse->iErr; + break; + } + } + pParse->iErr = j; + return -1; } pParse->aNode[iThis].n = pParse->nNode - (u32)iThis - 1; + pParse->iDepth--; return j+1; - }else if( c=='"' ){ + } + case '\'': { + u8 jnFlags; + char cDelim; + pParse->hasNonstd = 1; + jnFlags = JNODE_JSON5; + goto parse_string; + case '"': /* Parse string */ - u8 jnFlags = 0; - j = i+1; - for(;;){ + jnFlags = 0; + parse_string: + cDelim = z[i]; + for(j=i+1; 1; j++){ + if( jsonIsOk[(unsigned char)z[j]] ) continue; c = z[j]; - if( (c & ~0x1f)==0 ){ - /* Control characters are not allowed in strings */ - return -1; - } - if( c=='\\' ){ + if( c==cDelim ){ + break; + }else if( c=='\\' ){ c = z[++j]; if( c=='"' || c=='\\' || c=='/' || c=='b' || c=='f' || c=='n' || c=='r' || c=='t' - || (c=='u' && jsonIs4Hex(z+j+1)) ){ - jnFlags = JNODE_ESCAPE; + || (c=='u' && jsonIs4Hex(&z[j+1])) ){ + jnFlags |= JNODE_ESCAPE; + }else if( c=='\'' || c=='0' || c=='v' || c=='\n' + || (0xe2==(u8)c && 0x80==(u8)z[j+1] + && (0xa8==(u8)z[j+2] || 0xa9==(u8)z[j+2])) + || (c=='x' && jsonIs2Hex(&z[j+1])) ){ + jnFlags |= (JNODE_ESCAPE|JNODE_JSON5); + pParse->hasNonstd = 1; + }else if( c=='\r' ){ + if( z[j+1]=='\n' ) j++; + jnFlags |= (JNODE_ESCAPE|JNODE_JSON5); + pParse->hasNonstd = 1; }else{ + pParse->iErr = j; return -1; } - }else if( c=='"' ){ - break; + }else if( c<=0x1f ){ + /* Control characters are not allowed in strings */ + pParse->iErr = j; + return -1; } - j++; } - jsonParseAddNode(pParse, JSON_STRING, j+1-i, &z[i]); - if( !pParse->oom ) pParse->aNode[pParse->nNode-1].jnFlags = jnFlags; + jsonParseAddNode(pParse, JSON_STRING | (jnFlags<<8), j+1-i, &z[i]); return j+1; - }else if( c=='n' - && strncmp(z+i,"null",4)==0 - && !safe_isalnum(z[i+4]) ){ - jsonParseAddNode(pParse, JSON_NULL, 0, 0); - return i+4; - }else if( c=='t' - && strncmp(z+i,"true",4)==0 - && !safe_isalnum(z[i+4]) ){ - jsonParseAddNode(pParse, JSON_TRUE, 0, 0); - return i+4; - }else if( c=='f' - && strncmp(z+i,"false",5)==0 - && !safe_isalnum(z[i+5]) ){ - jsonParseAddNode(pParse, JSON_FALSE, 0, 0); - return i+5; - }else if( c=='-' || (c>='0' && c<='9') ){ + } + case 't': { + if( strncmp(z+i,"true",4)==0 && !sqlite3Isalnum(z[i+4]) ){ + jsonParseAddNode(pParse, JSON_TRUE, 0, 0); + return i+4; + } + pParse->iErr = i; + return -1; + } + case 'f': { + if( strncmp(z+i,"false",5)==0 && !sqlite3Isalnum(z[i+5]) ){ + jsonParseAddNode(pParse, JSON_FALSE, 0, 0); + return i+5; + } + pParse->iErr = i; + return -1; + } + case '+': { + u8 seenDP, seenE, jnFlags; + pParse->hasNonstd = 1; + jnFlags = JNODE_JSON5; + goto parse_number; + case '.': + if( sqlite3Isdigit(z[i+1]) ){ + pParse->hasNonstd = 1; + jnFlags = JNODE_JSON5; + seenE = 0; + seenDP = JSON_REAL; + goto parse_number_2; + } + pParse->iErr = i; + return -1; + case '-': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': /* Parse number */ - u8 seenDP = 0; - u8 seenE = 0; + jnFlags = 0; + parse_number: + seenDP = JSON_INT; + seenE = 0; assert( '-' < '0' ); + assert( '+' < '0' ); + assert( '.' < '0' ); + c = z[i]; + if( c<='0' ){ - j = c=='-' ? i+1 : i; - if( z[j]=='0' && z[j+1]>='0' && z[j+1]<='9' ) return -1; + if( c=='0' ){ + if( (z[i+1]=='x' || z[i+1]=='X') && sqlite3Isxdigit(z[i+2]) ){ + assert( seenDP==JSON_INT ); + pParse->hasNonstd = 1; + jnFlags |= JNODE_JSON5; + for(j=i+3; sqlite3Isxdigit(z[j]); j++){} + goto parse_number_finish; + }else if( sqlite3Isdigit(z[i+1]) ){ + pParse->iErr = i+1; + return -1; + } + }else{ + if( !sqlite3Isdigit(z[i+1]) ){ + /* JSON5 allows for "+Infinity" and "-Infinity" using exactly + ** that case. SQLite also allows these in any case and it allows + ** "+inf" and "-inf". */ + if( (z[i+1]=='I' || z[i+1]=='i') + && sqlite3StrNICmp(&z[i+1], "inf",3)==0 + ){ + pParse->hasNonstd = 1; + if( z[i]=='-' ){ + jsonParseAddNode(pParse, JSON_REAL, 8, "-9.0e999"); + }else{ + jsonParseAddNode(pParse, JSON_REAL, 7, "9.0e999"); + } + return i + (sqlite3StrNICmp(&z[i+4],"inity",5)==0 ? 9 : 4); + } + if( z[i+1]=='.' ){ + pParse->hasNonstd = 1; + jnFlags |= JNODE_JSON5; + goto parse_number_2; + } + pParse->iErr = i; + return -1; + } + if( z[i+1]=='0' ){ + if( sqlite3Isdigit(z[i+2]) ){ + pParse->iErr = i+1; + return -1; + }else if( (z[i+2]=='x' || z[i+2]=='X') && sqlite3Isxdigit(z[i+3]) ){ + pParse->hasNonstd = 1; + jnFlags |= JNODE_JSON5; + for(j=i+4; sqlite3Isxdigit(z[j]); j++){} + goto parse_number_finish; + } + } + } } - j = i+1; - for(;; j++){ + parse_number_2: + for(j=i+1;; j++){ c = z[j]; - if( c>='0' && c<='9' ) continue; + if( sqlite3Isdigit(c) ) continue; if( c=='.' ){ - if( z[j-1]=='-' ) return -1; - if( seenDP ) return -1; - seenDP = 1; + if( seenDP==JSON_REAL ){ + pParse->iErr = j; + return -1; + } + seenDP = JSON_REAL; continue; } if( c=='e' || c=='E' ){ - if( z[j-1]<'0' ) return -1; - if( seenE ) return -1; - seenDP = seenE = 1; + if( z[j-1]<'0' ){ + if( ALWAYS(z[j-1]=='.') && ALWAYS(j-2>=i) && sqlite3Isdigit(z[j-2]) ){ + pParse->hasNonstd = 1; + jnFlags |= JNODE_JSON5; + }else{ + pParse->iErr = j; + return -1; + } + } + if( seenE ){ + pParse->iErr = j; + return -1; + } + seenDP = JSON_REAL; + seenE = 1; c = z[j+1]; if( c=='+' || c=='-' ){ j++; c = z[j+1]; } - if( c<'0' || c>'9' ) return -1; + if( c<'0' || c>'9' ){ + pParse->iErr = j; + return -1; + } continue; } break; } - if( z[j-1]<'0' ) return -1; - jsonParseAddNode(pParse, seenDP ? JSON_REAL : JSON_INT, - j - i, &z[i]); + if( z[j-1]<'0' ){ + if( ALWAYS(z[j-1]=='.') && ALWAYS(j-2>=i) && sqlite3Isdigit(z[j-2]) ){ + pParse->hasNonstd = 1; + jnFlags |= JNODE_JSON5; + }else{ + pParse->iErr = j; + return -1; + } + } + parse_number_finish: + jsonParseAddNode(pParse, seenDP | (jnFlags<<8), j - i, &z[i]); return j; - }else if( c=='}' ){ + } + case '}': { + pParse->iErr = i; return -2; /* End of {...} */ - }else if( c==']' ){ + } + case ']': { + pParse->iErr = i; return -3; /* End of [...] */ - }else if( c==0 ){ + } + case ',': { + pParse->iErr = i; + return -4; /* List separator */ + } + case ':': { + pParse->iErr = i; + return -5; /* Object label/value separator */ + } + case 0: { return 0; /* End of file */ - }else{ + } + case 0x09: + case 0x0a: + case 0x0d: + case 0x20: { + do{ + i++; + }while( fast_isspace(z[i]) ); + goto json_parse_restart; + } + case 0x0b: + case 0x0c: + case '/': + case 0xc2: + case 0xe1: + case 0xe2: + case 0xe3: + case 0xef: { + j = json5Whitespace(&z[i]); + if( j>0 ){ + i += j; + pParse->hasNonstd = 1; + goto json_parse_restart; + } + pParse->iErr = i; + return -1; + } + case 'n': { + if( strncmp(z+i,"null",4)==0 && !sqlite3Isalnum(z[i+4]) ){ + jsonParseAddNode(pParse, JSON_NULL, 0, 0); + return i+4; + } + /* fall-through into the default case that checks for NaN */ + } + default: { + u32 k; + int nn; + c = z[i]; + for(k=0; khasNonstd = 1; + return i + nn; + } + pParse->iErr = i; return -1; /* Syntax error */ } + } /* End switch(z[i]) */ } /* ** Parse a complete JSON string. Return 0 on success or non-zero if there -** are any errors. If an error occurs, free all memory associated with -** pParse. +** are any errors. If an error occurs, free all memory held by pParse, +** but not pParse itself. ** -** pParse is uninitialized when this routine is called. +** pParse must be initialized to an empty parse object prior to calling +** this routine. */ static int jsonParse( JsonParse *pParse, /* Initialize and fill this JsonParse object */ - sqlite3_context *pCtx, /* Report errors here */ - const char *zJson /* Input JSON text to be parsed */ + sqlite3_context *pCtx /* Report errors here */ ){ int i; - memset(pParse, 0, sizeof(*pParse)); - if( zJson==0 ) return 1; - pParse->zJson = zJson; + const char *zJson = pParse->zJson; i = jsonParseValue(pParse, 0); if( pParse->oom ) i = -1; if( i>0 ){ assert( pParse->iDepth==0 ); - while( safe_isspace(zJson[i]) ) i++; - if( zJson[i] ) i = -1; + while( fast_isspace(zJson[i]) ) i++; + if( zJson[i] ){ + i += json5Whitespace(&zJson[i]); + if( zJson[i] ){ + jsonParseReset(pParse); + return 1; + } + pParse->hasNonstd = 1; + } } if( i<=0 ){ if( pCtx!=0 ){ @@ -186402,6 +203038,7 @@ static int jsonParse( return 0; } + /* Mark node i of pParse as being a child of iParent. Call recursively ** to fill in all the descendants of node i. */ @@ -186451,26 +203088,49 @@ static int jsonParseFindParents(JsonParse *pParse){ #define JSON_CACHE_SZ 4 /* Max number of cache entries */ /* -** Obtain a complete parse of the JSON found in the first argument -** of the argv array. Use the sqlite3_get_auxdata() cache for this -** parse if it is available. If the cache is not available or if it -** is no longer valid, parse the JSON again and return the new parse, -** and also register the new parse so that it will be available for +** Obtain a complete parse of the JSON found in the pJson argument +** +** Use the sqlite3_get_auxdata() cache to find a preexisting parse +** if it is available. If the cache is not available or if it +** is no longer valid, parse the JSON again and return the new parse. +** Also register the new parse so that it will be available for ** future sqlite3_get_auxdata() calls. +** +** If an error occurs and pErrCtx!=0 then report the error on pErrCtx +** and return NULL. +** +** The returned pointer (if it is not NULL) is owned by the cache in +** most cases, not the caller. The caller does NOT need to invoke +** jsonParseFree(), in most cases. +** +** Except, if an error occurs and pErrCtx==0 then return the JsonParse +** object with JsonParse.nErr non-zero and the caller will own the JsonParse +** object. In that case, it will be the responsibility of the caller to +** invoke jsonParseFree(). To summarize: +** +** pErrCtx!=0 || p->nErr==0 ==> Return value p is owned by the +** cache. Call does not need to +** free it. +** +** pErrCtx==0 && p->nErr!=0 ==> Return value is owned by the caller +** and so the caller must free it. */ static JsonParse *jsonParseCached( - sqlite3_context *pCtx, - sqlite3_value **argv, - sqlite3_context *pErrCtx + sqlite3_context *pCtx, /* Context to use for cache search */ + sqlite3_value *pJson, /* Function param containing JSON text */ + sqlite3_context *pErrCtx, /* Write parse errors here if not NULL */ + int bUnedited /* No prior edits allowed */ ){ - const char *zJson = (const char*)sqlite3_value_text(argv[0]); - int nJson = sqlite3_value_bytes(argv[0]); + char *zJson = (char*)sqlite3_value_text(pJson); + int nJson = sqlite3_value_bytes(pJson); JsonParse *p; JsonParse *pMatch = 0; int iKey; int iMinKey = 0; u32 iMinHold = 0xffffffff; u32 iMaxHold = 0; + int bJsonRCStr; + if( zJson==0 ) return 0; for(iKey=0; iKeynJson==nJson - && memcmp(p->zJson,zJson,nJson)==0 + && (p->hasMod==0 || bUnedited==0) + && (p->zJson==zJson || memcmp(p->zJson,zJson,nJson)==0) ){ p->nErr = 0; + p->useMod = 0; + pMatch = p; + }else + if( pMatch==0 + && p->zAlt!=0 + && bUnedited==0 + && p->nAlt==nJson + && memcmp(p->zAlt, zJson, nJson)==0 + ){ + p->nErr = 0; + p->useMod = 1; pMatch = p; }else if( p->iHoldiHold; @@ -186493,24 +203165,44 @@ static JsonParse *jsonParseCached( } } if( pMatch ){ + /* The input JSON text was found in the cache. Use the preexisting + ** parse of this JSON */ pMatch->nErr = 0; pMatch->iHold = iMaxHold+1; + assert( pMatch->nJPRef>0 ); /* pMatch is owned by the cache */ return pMatch; } - p = sqlite3_malloc64( sizeof(*p) + nJson + 1 ); + + /* The input JSON was not found anywhere in the cache. We will need + ** to parse it ourselves and generate a new JsonParse object. + */ + bJsonRCStr = sqlite3ValueIsOfClass(pJson,(void(*)(void*))sqlite3RCStrUnref); + p = sqlite3_malloc64( sizeof(*p) + (bJsonRCStr ? 0 : nJson+1) ); if( p==0 ){ sqlite3_result_error_nomem(pCtx); return 0; } memset(p, 0, sizeof(*p)); - p->zJson = (char*)&p[1]; - memcpy((char*)p->zJson, zJson, nJson+1); - if( jsonParse(p, pErrCtx, p->zJson) ){ - sqlite3_free(p); + if( bJsonRCStr ){ + p->zJson = sqlite3RCStrRef(zJson); + p->bJsonIsRCStr = 1; + }else{ + p->zJson = (char*)&p[1]; + memcpy(p->zJson, zJson, nJson+1); + } + p->nJPRef = 1; + if( jsonParse(p, pErrCtx) ){ + if( pErrCtx==0 ){ + p->nErr = 1; + assert( p->nJPRef==1 ); /* Caller will own the new JsonParse object p */ + return p; + } + jsonParseFree(p); return 0; } p->nJson = nJson; p->iHold = iMaxHold+1; + /* Transfer ownership of the new JsonParse to the cache */ sqlite3_set_auxdata(pCtx, JSON_CACHE_ID+iMinKey, p, (void(*)(void*))jsonParseFree); return (JsonParse*)sqlite3_get_auxdata(pCtx, JSON_CACHE_ID+iMinKey); @@ -186520,7 +203212,8 @@ static JsonParse *jsonParseCached( ** Compare the OBJECT label at pNode against zKey,nKey. Return true on ** a match. */ -static int jsonLabelCompare(JsonNode *pNode, const char *zKey, u32 nKey){ +static int jsonLabelCompare(const JsonNode *pNode, const char *zKey, u32 nKey){ + assert( pNode->eU==1 ); if( pNode->jnFlags & JNODE_RAW ){ if( pNode->n!=nKey ) return 0; return strncmp(pNode->u.zJContent, zKey, nKey)==0; @@ -186529,6 +203222,15 @@ static int jsonLabelCompare(JsonNode *pNode, const char *zKey, u32 nKey){ return strncmp(pNode->u.zJContent+1, zKey, nKey)==0; } } +static int jsonSameLabel(const JsonNode *p1, const JsonNode *p2){ + if( p1->jnFlags & JNODE_RAW ){ + return jsonLabelCompare(p2, p1->u.zJContent, p1->n); + }else if( p2->jnFlags & JNODE_RAW ){ + return jsonLabelCompare(p1, p2->u.zJContent, p2->n); + }else{ + return p1->n==p2->n && strncmp(p1->u.zJContent,p2->u.zJContent,p1->n)==0; + } +} /* forward declaration */ static JsonNode *jsonLookupAppend(JsonParse*,const char*,int*,const char**); @@ -186551,9 +203253,31 @@ static JsonNode *jsonLookupStep( ){ u32 i, j, nKey; const char *zKey; - JsonNode *pRoot = &pParse->aNode[iRoot]; + JsonNode *pRoot; + if( pParse->oom ) return 0; + pRoot = &pParse->aNode[iRoot]; + if( pRoot->jnFlags & (JNODE_REPLACE|JNODE_REMOVE) && pParse->useMod ){ + while( (pRoot->jnFlags & JNODE_REPLACE)!=0 ){ + u32 idx = (u32)(pRoot - pParse->aNode); + i = pParse->iSubst; + while( 1 /*exit-by-break*/ ){ + assert( inNode ); + assert( pParse->aNode[i].eType==JSON_SUBST ); + assert( pParse->aNode[i].eU==4 ); + assert( pParse->aNode[i].u.iPrevaNode[i].n==idx ){ + pRoot = &pParse->aNode[i+1]; + iRoot = i+1; + break; + } + i = pParse->aNode[i].u.iPrev; + } + } + if( pRoot->jnFlags & JNODE_REMOVE ){ + return 0; + } + } if( zPath[0]==0 ) return pRoot; - if( pRoot->jnFlags & JNODE_REPLACE ) return 0; if( zPath[0]=='.' ){ if( pRoot->eType!=JSON_OBJECT ) return 0; zPath++; @@ -186567,14 +203291,15 @@ static JsonNode *jsonLookupStep( *pzErr = zPath; return 0; } + testcase( nKey==0 ); }else{ zKey = zPath; for(i=0; zPath[i] && zPath[i]!='.' && zPath[i]!='['; i++){} nKey = i; - } - if( nKey==0 ){ - *pzErr = zPath; - return 0; + if( nKey==0 ){ + *pzErr = zPath; + return 0; + } } j = 1; for(;;){ @@ -186586,13 +203311,16 @@ static JsonNode *jsonLookupStep( j += jsonNodeSize(&pRoot[j]); } if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; - iRoot += pRoot->u.iAppend; + if( pParse->useMod==0 ) break; + assert( pRoot->eU==2 ); + iRoot = pRoot->u.iAppend; pRoot = &pParse->aNode[iRoot]; j = 1; } if( pApnd ){ u32 iStart, iLabel; JsonNode *pNode; + assert( pParse->useMod ); iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); iLabel = jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); zPath += i; @@ -186600,8 +203328,10 @@ static JsonNode *jsonLookupStep( if( pParse->oom ) return 0; if( pNode ){ pRoot = &pParse->aNode[iRoot]; - pRoot->u.iAppend = iStart - iRoot; + assert( pRoot->eU==0 ); + pRoot->u.iAppend = iStart; pRoot->jnFlags |= JNODE_APPEND; + VVA( pRoot->eU = 2 ); pParse->aNode[iLabel].jnFlags |= JNODE_RAW; } return pNode; @@ -186609,7 +203339,7 @@ static JsonNode *jsonLookupStep( }else if( zPath[0]=='[' ){ i = 0; j = 1; - while( safe_isdigit(zPath[j]) ){ + while( sqlite3Isdigit(zPath[j]) ){ i = i*10 + zPath[j] - '0'; j++; } @@ -186620,22 +203350,24 @@ static JsonNode *jsonLookupStep( if( pRoot->eType!=JSON_ARRAY ) return 0; for(;;){ while( j<=pBase->n ){ - if( (pBase[j].jnFlags & JNODE_REMOVE)==0 ) i++; + if( (pBase[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ) i++; j += jsonNodeSize(&pBase[j]); } if( (pBase->jnFlags & JNODE_APPEND)==0 ) break; - iBase += pBase->u.iAppend; + if( pParse->useMod==0 ) break; + assert( pBase->eU==2 ); + iBase = pBase->u.iAppend; pBase = &pParse->aNode[iBase]; j = 1; } j = 2; - if( zPath[2]=='-' && safe_isdigit(zPath[3]) ){ + if( zPath[2]=='-' && sqlite3Isdigit(zPath[3]) ){ unsigned int x = 0; j = 3; do{ x = x*10 + zPath[j] - '0'; j++; - }while( safe_isdigit(zPath[j]) ); + }while( sqlite3Isdigit(zPath[j]) ); if( x>i ) return 0; i -= x; } @@ -186652,12 +203384,16 @@ static JsonNode *jsonLookupStep( zPath += j + 1; j = 1; for(;;){ - while( j<=pRoot->n && (i>0 || (pRoot[j].jnFlags & JNODE_REMOVE)!=0) ){ - if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 ) i--; + while( j<=pRoot->n + && (i>0 || ((pRoot[j].jnFlags & JNODE_REMOVE)!=0 && pParse->useMod)) + ){ + if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ) i--; j += jsonNodeSize(&pRoot[j]); } if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; - iRoot += pRoot->u.iAppend; + if( pParse->useMod==0 ) break; + assert( pRoot->eU==2 ); + iRoot = pRoot->u.iAppend; pRoot = &pParse->aNode[iRoot]; j = 1; } @@ -186667,13 +203403,16 @@ static JsonNode *jsonLookupStep( if( i==0 && pApnd ){ u32 iStart; JsonNode *pNode; + assert( pParse->useMod ); iStart = jsonParseAddNode(pParse, JSON_ARRAY, 1, 0); pNode = jsonLookupAppend(pParse, zPath, pApnd, pzErr); if( pParse->oom ) return 0; if( pNode ){ pRoot = &pParse->aNode[iRoot]; - pRoot->u.iAppend = iStart - iRoot; + assert( pRoot->eU==0 ); + pRoot->u.iAppend = iStart; pRoot->jnFlags |= JNODE_APPEND; + VVA( pRoot->eU = 2 ); } return pNode; } @@ -186798,43 +203537,90 @@ static void jsonRemoveAllNulls(JsonNode *pNode){ ** SQL functions used for testing and debugging ****************************************************************************/ +#if SQLITE_DEBUG +/* +** Print N node entries. +*/ +static void jsonDebugPrintNodeEntries( + JsonNode *aNode, /* First node entry to print */ + int N /* Number of node entries to print */ +){ + int i; + for(i=0; iaNode, p->nNode); +} +static void jsonDebugPrintNode(JsonNode *pNode){ + jsonDebugPrintNodeEntries(pNode, jsonNodeSize(pNode)); +} +#else + /* The usual case */ +# define jsonDebugPrintNode(X) +# define jsonDebugPrintParse(X) +#endif + #ifdef SQLITE_DEBUG /* -** The json_parse(JSON) function returns a string which describes -** a parse of the JSON provided. Or it returns NULL if JSON is not -** well-formed. +** SQL function: json_parse(JSON) +** +** Parse JSON using jsonParseCached(). Then print a dump of that +** parse on standard output. Return the mimified JSON result, just +** like the json() function. */ static void jsonParseFunc( sqlite3_context *ctx, int argc, sqlite3_value **argv ){ - JsonString s; /* Output string - not real JSON */ - JsonParse x; /* The parse */ - u32 i; + JsonParse *p; /* The parse */ assert( argc==1 ); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - jsonParseFindParents(&x); - jsonInit(&s, ctx); - for(i=0; inNode); + printf("nAlloc = %u\n", p->nAlloc); + printf("nJson = %d\n", p->nJson); + printf("nAlt = %d\n", p->nAlt); + printf("nErr = %u\n", p->nErr); + printf("oom = %u\n", p->oom); + printf("hasNonstd = %u\n", p->hasNonstd); + printf("useMod = %u\n", p->useMod); + printf("hasMod = %u\n", p->hasMod); + printf("nJPRef = %u\n", p->nJPRef); + printf("iSubst = %u\n", p->iSubst); + printf("iHold = %u\n", p->iHold); + jsonDebugPrintNodeEntries(p->aNode, p->nNode); + jsonReturnJson(p, p->aNode, ctx, 1); } /* @@ -186847,7 +203633,7 @@ static void jsonTest1Func( int argc, sqlite3_value **argv ){ - UNUSED_PARAM(argc); + UNUSED_PARAMETER(argc); sqlite3_result_int(ctx, sqlite3_value_subtype(argv[0])==JSON_SUBTYPE); } #endif /* SQLITE_DEBUG */ @@ -186868,7 +203654,7 @@ static void jsonQuoteFunc( sqlite3_value **argv ){ JsonString jx; - UNUSED_PARAM(argc); + UNUSED_PARAMETER(argc); jsonInit(&jx, ctx); jsonAppendValue(&jx, argv[0]); @@ -186918,7 +203704,7 @@ static void jsonArrayLengthFunc( u32 i; JsonNode *pNode; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; assert( p->nNode ); if( argc==2 ){ @@ -186931,21 +203717,49 @@ static void jsonArrayLengthFunc( return; } if( pNode->eType==JSON_ARRAY ){ - assert( (pNode->jnFlags & JNODE_APPEND)==0 ); - for(i=1; i<=pNode->n; n++){ - i += jsonNodeSize(&pNode[i]); + while( 1 /*exit-by-break*/ ){ + i = 1; + while( i<=pNode->n ){ + if( (pNode[i].jnFlags & JNODE_REMOVE)==0 ) n++; + i += jsonNodeSize(&pNode[i]); + } + if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; + if( p->useMod==0 ) break; + assert( pNode->eU==2 ); + pNode = &p->aNode[pNode->u.iAppend]; } } sqlite3_result_int64(ctx, n); } +/* +** Bit values for the flags passed into jsonExtractFunc() or +** jsonSetFunc() via the user-data value. +*/ +#define JSON_JSON 0x01 /* Result is always JSON */ +#define JSON_SQL 0x02 /* Result is always SQL */ +#define JSON_ABPATH 0x03 /* Allow abbreviated JSON path specs */ +#define JSON_ISSET 0x04 /* json_set(), not json_insert() */ + /* ** json_extract(JSON, PATH, ...) +** "->"(JSON,PATH) +** "->>"(JSON,PATH) ** -** Return the element described by PATH. Return NULL if there is no -** PATH element. If there are multiple PATHs, then return a JSON array -** with the result from each path. Throw an error if the JSON or any PATH -** is malformed. +** Return the element described by PATH. Return NULL if that PATH element +** is not found. +** +** If JSON_JSON is set or if more that one PATH argument is supplied then +** always return a JSON representation of the result. If JSON_SQL is set, +** then always return an SQL representation of the result. If neither flag +** is present and argc==2, then return JSON for objects and arrays and SQL +** for all other values. +** +** When multiple PATH arguments are supplied, the result is a JSON array +** containing the result of each PATH. +** +** Abbreviated JSON path expressions are allows if JSON_ABPATH, for +** compatibility with PG. */ static void jsonExtractFunc( sqlite3_context *ctx, @@ -186955,35 +203769,77 @@ static void jsonExtractFunc( JsonParse *p; /* The parse */ JsonNode *pNode; const char *zPath; + int flags = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); JsonString jx; - int i; if( argc<2 ) return; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; - jsonInit(&jx, ctx); - jsonAppendChar(&jx, '['); - for(i=1; inErr ) break; - if( argc>2 ){ + if( argc==2 ){ + /* With a single PATH argument */ + zPath = (const char*)sqlite3_value_text(argv[1]); + if( zPath==0 ) return; + if( flags & JSON_ABPATH ){ + if( zPath[0]!='$' || (zPath[1]!='.' && zPath[1]!='[' && zPath[1]!=0) ){ + /* The -> and ->> operators accept abbreviated PATH arguments. This + ** is mostly for compatibility with PostgreSQL, but also for + ** convenience. + ** + ** NUMBER ==> $[NUMBER] // PG compatible + ** LABEL ==> $.LABEL // PG compatible + ** [NUMBER] ==> $[NUMBER] // Not PG. Purely for convenience + */ + jsonInit(&jx, ctx); + if( sqlite3Isdigit(zPath[0]) ){ + jsonAppendRawNZ(&jx, "$[", 2); + jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); + jsonAppendRawNZ(&jx, "]", 2); + }else{ + jsonAppendRawNZ(&jx, "$.", 1 + (zPath[0]!='[')); + jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); + jsonAppendChar(&jx, 0); + } + pNode = jx.bErr ? 0 : jsonLookup(p, jx.zBuf, 0, ctx); + jsonReset(&jx); + }else{ + pNode = jsonLookup(p, zPath, 0, ctx); + } + if( pNode ){ + if( flags & JSON_JSON ){ + jsonReturnJson(p, pNode, ctx, 0); + }else{ + jsonReturn(p, pNode, ctx); + sqlite3_result_subtype(ctx, 0); + } + } + }else{ + pNode = jsonLookup(p, zPath, 0, ctx); + if( p->nErr==0 && pNode ) jsonReturn(p, pNode, ctx); + } + }else{ + /* Two or more PATH arguments results in a JSON array with each + ** element of the array being the value selected by one of the PATHs */ + int i; + jsonInit(&jx, ctx); + jsonAppendChar(&jx, '['); + for(i=1; inErr ) break; jsonAppendSeparator(&jx); if( pNode ){ - jsonRenderNode(pNode, &jx, 0); + jsonRenderNode(p, pNode, &jx); }else{ - jsonAppendRaw(&jx, "null", 4); + jsonAppendRawNZ(&jx, "null", 4); } - }else if( pNode ){ - jsonReturn(pNode, ctx, 0); } + if( i==argc ){ + jsonAppendChar(&jx, ']'); + jsonResult(&jx); + sqlite3_result_subtype(ctx, JSON_SUBTYPE); + } + jsonReset(&jx); } - if( argc>2 && i==argc ){ - jsonAppendChar(&jx, ']'); - jsonResult(&jx); - sqlite3_result_subtype(ctx, JSON_SUBTYPE); - } - jsonReset(&jx); } /* This is the RFC 7396 MergePatch algorithm. @@ -186999,7 +203855,7 @@ static JsonNode *jsonMergePatch( if( pPatch->eType!=JSON_OBJECT ){ return pPatch; } - assert( iTarget>=0 && iTargetnNode ); + assert( iTargetnNode ); pTarget = &pParse->aNode[iTarget]; assert( (pPatch->jnFlags & JNODE_APPEND)==0 ); if( pTarget->eType!=JSON_OBJECT ){ @@ -187012,42 +203868,45 @@ static JsonNode *jsonMergePatch( const char *zKey; assert( pPatch[i].eType==JSON_STRING ); assert( pPatch[i].jnFlags & JNODE_LABEL ); + assert( pPatch[i].eU==1 ); nKey = pPatch[i].n; zKey = pPatch[i].u.zJContent; - assert( (pPatch[i].jnFlags & JNODE_RAW)==0 ); for(j=1; jn; j += jsonNodeSize(&pTarget[j+1])+1 ){ assert( pTarget[j].eType==JSON_STRING ); assert( pTarget[j].jnFlags & JNODE_LABEL ); - assert( (pPatch[i].jnFlags & JNODE_RAW)==0 ); - if( pTarget[j].n==nKey && strncmp(pTarget[j].u.zJContent,zKey,nKey)==0 ){ - if( pTarget[j+1].jnFlags & (JNODE_REMOVE|JNODE_PATCH) ) break; + if( jsonSameLabel(&pPatch[i], &pTarget[j]) ){ + if( pTarget[j+1].jnFlags & (JNODE_REMOVE|JNODE_REPLACE) ) break; if( pPatch[i+1].eType==JSON_NULL ){ pTarget[j+1].jnFlags |= JNODE_REMOVE; }else{ JsonNode *pNew = jsonMergePatch(pParse, iTarget+j+1, &pPatch[i+1]); if( pNew==0 ) return 0; - pTarget = &pParse->aNode[iTarget]; - if( pNew!=&pTarget[j+1] ){ - pTarget[j+1].u.pPatch = pNew; - pTarget[j+1].jnFlags |= JNODE_PATCH; + if( pNew!=&pParse->aNode[iTarget+j+1] ){ + jsonParseAddSubstNode(pParse, iTarget+j+1); + jsonParseAddNodeArray(pParse, pNew, jsonNodeSize(pNew)); } + pTarget = &pParse->aNode[iTarget]; } break; } } if( j>=pTarget->n && pPatch[i+1].eType!=JSON_NULL ){ - int iStart, iPatch; - iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); + int iStart; + JsonNode *pApnd; + u32 nApnd; + iStart = jsonParseAddNode(pParse, JSON_OBJECT, 0, 0); jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); - iPatch = jsonParseAddNode(pParse, JSON_TRUE, 0, 0); + pApnd = &pPatch[i+1]; + if( pApnd->eType==JSON_OBJECT ) jsonRemoveAllNulls(pApnd); + nApnd = jsonNodeSize(pApnd); + jsonParseAddNodeArray(pParse, pApnd, jsonNodeSize(pApnd)); if( pParse->oom ) return 0; - jsonRemoveAllNulls(pPatch); - pTarget = &pParse->aNode[iTarget]; + pParse->aNode[iStart].n = 1+nApnd; pParse->aNode[iRoot].jnFlags |= JNODE_APPEND; - pParse->aNode[iRoot].u.iAppend = iStart - iRoot; + pParse->aNode[iRoot].u.iAppend = iStart; + VVA( pParse->aNode[iRoot].eU = 2 ); iRoot = iStart; - pParse->aNode[iPatch].jnFlags |= JNODE_PATCH; - pParse->aNode[iPatch].u.pPatch = &pPatch[i+1]; + pTarget = &pParse->aNode[iTarget]; } } return pTarget; @@ -187063,25 +203922,28 @@ static void jsonPatchFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The JSON that is being patched */ - JsonParse y; /* The patch */ + JsonParse *pX; /* The JSON that is being patched */ + JsonParse *pY; /* The patch */ JsonNode *pResult; /* The result of the merge */ - UNUSED_PARAM(argc); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - if( jsonParse(&y, ctx, (const char*)sqlite3_value_text(argv[1])) ){ - jsonParseReset(&x); - return; - } - pResult = jsonMergePatch(&x, 0, y.aNode); - assert( pResult!=0 || x.oom ); - if( pResult ){ - jsonReturnJson(pResult, ctx, 0); + UNUSED_PARAMETER(argc); + pX = jsonParseCached(ctx, argv[0], ctx, 1); + if( pX==0 ) return; + assert( pX->hasMod==0 ); + pX->hasMod = 1; + pY = jsonParseCached(ctx, argv[1], ctx, 1); + if( pY==0 ) return; + pX->useMod = 1; + pY->useMod = 1; + pResult = jsonMergePatch(pX, 0, pY->aNode); + assert( pResult!=0 || pX->oom ); + if( pResult && pX->oom==0 ){ + jsonDebugPrintParse(pX); + jsonDebugPrintNode(pResult); + jsonReturnJson(pX, pResult, ctx, 0); }else{ sqlite3_result_error_nomem(ctx); } - jsonParseReset(&x); - jsonParseReset(&y); } @@ -187137,26 +203999,118 @@ static void jsonRemoveFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; if( argc<1 ) return; - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); if( zPath==0 ) goto remove_done; - pNode = jsonLookup(&x, zPath, 0, ctx); - if( x.nErr ) goto remove_done; - if( pNode ) pNode->jnFlags |= JNODE_REMOVE; + pNode = jsonLookup(pParse, zPath, 0, ctx); + if( pParse->nErr ) goto remove_done; + if( pNode ){ + pNode->jnFlags |= JNODE_REMOVE; + pParse->hasMod = 1; + pParse->useMod = 1; + } } - if( (x.aNode[0].jnFlags & JNODE_REMOVE)==0 ){ - jsonReturnJson(x.aNode, ctx, 0); + if( (pParse->aNode[0].jnFlags & JNODE_REMOVE)==0 ){ + jsonReturnJson(pParse, pParse->aNode, ctx, 1); } remove_done: - jsonParseReset(&x); + jsonDebugPrintParse(p); +} + +/* +** Substitute the value at iNode with the pValue parameter. +*/ +static void jsonReplaceNode( + sqlite3_context *pCtx, + JsonParse *p, + int iNode, + sqlite3_value *pValue +){ + int idx = jsonParseAddSubstNode(p, iNode); + if( idx<=0 ){ + assert( p->oom ); + return; + } + switch( sqlite3_value_type(pValue) ){ + case SQLITE_NULL: { + jsonParseAddNode(p, JSON_NULL, 0, 0); + break; + } + case SQLITE_FLOAT: { + char *z = sqlite3_mprintf("%!0.15g", sqlite3_value_double(pValue)); + int n; + if( z==0 ){ + p->oom = 1; + break; + } + n = sqlite3Strlen30(z); + jsonParseAddNode(p, JSON_REAL, n, z); + jsonParseAddCleanup(p, sqlite3_free, z); + break; + } + case SQLITE_INTEGER: { + char *z = sqlite3_mprintf("%lld", sqlite3_value_int64(pValue)); + int n; + if( z==0 ){ + p->oom = 1; + break; + } + n = sqlite3Strlen30(z); + jsonParseAddNode(p, JSON_INT, n, z); + jsonParseAddCleanup(p, sqlite3_free, z); + + break; + } + case SQLITE_TEXT: { + const char *z = (const char*)sqlite3_value_text(pValue); + u32 n = (u32)sqlite3_value_bytes(pValue); + if( z==0 ){ + p->oom = 1; + break; + } + if( sqlite3_value_subtype(pValue)!=JSON_SUBTYPE ){ + char *zCopy = sqlite3DbStrDup(0, z); + int k; + if( zCopy ){ + jsonParseAddCleanup(p, sqlite3_free, zCopy); + }else{ + p->oom = 1; + sqlite3_result_error_nomem(pCtx); + } + k = jsonParseAddNode(p, JSON_STRING, n, zCopy); + assert( k>0 || p->oom ); + if( p->oom==0 ) p->aNode[k].jnFlags |= JNODE_RAW; + }else{ + JsonParse *pPatch = jsonParseCached(pCtx, pValue, pCtx, 1); + if( pPatch==0 ){ + p->oom = 1; + break; + } + jsonParseAddNodeArray(p, pPatch->aNode, pPatch->nNode); + /* The nodes copied out of pPatch and into p likely contain + ** u.zJContent pointers into pPatch->zJson. So preserve the + ** content of pPatch until p is destroyed. */ + assert( pPatch->nJPRef>=1 ); + pPatch->nJPRef++; + jsonParseAddCleanup(p, (void(*)(void*))jsonParseFree, pPatch); + } + break; + } + default: { + jsonParseAddNode(p, JSON_NULL, 0, 0); + sqlite3_result_error(pCtx, "JSON cannot hold BLOB values", -1); + p->nErr++; + break; + } + } } /* @@ -187170,7 +204124,7 @@ static void jsonReplaceFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; @@ -187180,26 +204134,23 @@ static void jsonReplaceFunc( jsonWrongNumArgs(ctx, "replace"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); - pNode = jsonLookup(&x, zPath, 0, ctx); - if( x.nErr ) goto replace_err; + pParse->useMod = 1; + pNode = jsonLookup(pParse, zPath, 0, ctx); + if( pParse->nErr ) goto replace_err; if( pNode ){ - pNode->jnFlags |= (u8)JNODE_REPLACE; - pNode->u.iReplace = i + 1; + jsonReplaceNode(ctx, pParse, (u32)(pNode - pParse->aNode), argv[i+1]); } } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } + jsonReturnJson(pParse, pParse->aNode, ctx, 1); replace_err: - jsonParseReset(&x); + jsonDebugPrintParse(pParse); } + /* ** json_set(JSON, PATH, VALUE, ...) ** @@ -187217,49 +204168,47 @@ static void jsonSetFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; int bApnd; - int bIsSet = *(int*)sqlite3_user_data(ctx); + int bIsSet = sqlite3_user_data(ctx)!=0; if( argc<1 ) return; if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, bIsSet ? "set" : "insert"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); bApnd = 0; - pNode = jsonLookup(&x, zPath, &bApnd, ctx); - if( x.oom ){ + pParse->useMod = 1; + pNode = jsonLookup(pParse, zPath, &bApnd, ctx); + if( pParse->oom ){ sqlite3_result_error_nomem(ctx); goto jsonSetDone; - }else if( x.nErr ){ + }else if( pParse->nErr ){ goto jsonSetDone; }else if( pNode && (bApnd || bIsSet) ){ - pNode->jnFlags |= (u8)JNODE_REPLACE; - pNode->u.iReplace = i + 1; + jsonReplaceNode(ctx, pParse, (u32)(pNode - pParse->aNode), argv[i+1]); } } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } + jsonDebugPrintParse(pParse); + jsonReturnJson(pParse, pParse->aNode, ctx, 1); + jsonSetDone: - jsonParseReset(&x); + /* no cleanup required */; } /* ** json_type(JSON) ** json_type(JSON, PATH) ** -** Return the top-level "type" of a JSON string. Throw an error if -** either the JSON or PATH inputs are not well-formed. +** Return the top-level "type" of a JSON string. json_type() raises an +** error if either the JSON or PATH inputs are not well-formed. */ static void jsonTypeFunc( sqlite3_context *ctx, @@ -187270,7 +204219,7 @@ static void jsonTypeFunc( const char *zPath; JsonNode *pNode; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; if( argc==2 ){ zPath = (const char*)sqlite3_value_text(argv[1]); @@ -187286,8 +204235,8 @@ static void jsonTypeFunc( /* ** json_valid(JSON) ** -** Return 1 if JSON is a well-formed JSON string according to RFC-7159. -** Return 0 otherwise. +** Return 1 if JSON is a well-formed canonical JSON string according +** to RFC-7159. Return 0 otherwise. */ static void jsonValidFunc( sqlite3_context *ctx, @@ -187295,9 +204244,76 @@ static void jsonValidFunc( sqlite3_value **argv ){ JsonParse *p; /* The parse */ - UNUSED_PARAM(argc); - p = jsonParseCached(ctx, argv, 0); - sqlite3_result_int(ctx, p!=0); + UNUSED_PARAMETER(argc); + if( sqlite3_value_type(argv[0])==SQLITE_NULL ){ +#ifdef SQLITE_LEGACY_JSON_VALID + /* Incorrect legacy behavior was to return FALSE for a NULL input */ + sqlite3_result_int(ctx, 0); +#endif + return; + } + p = jsonParseCached(ctx, argv[0], 0, 0); + if( p==0 || p->oom ){ + sqlite3_result_error_nomem(ctx); + sqlite3_free(p); + }else{ + sqlite3_result_int(ctx, p->nErr==0 && (p->hasNonstd==0 || p->useMod)); + if( p->nErr ) jsonParseFree(p); + } +} + +/* +** json_error_position(JSON) +** +** If the argument is not an interpretable JSON string, then return the 1-based +** character position at which the parser first recognized that the input +** was in error. The left-most character is 1. If the string is valid +** JSON, then return 0. +** +** Note that json_valid() is only true for strictly conforming canonical JSON. +** But this routine returns zero if the input contains extension. Thus: +** +** (1) If the input X is strictly conforming canonical JSON: +** +** json_valid(X) returns true +** json_error_position(X) returns 0 +** +** (2) If the input X is JSON but it includes extension (such as JSON5) that +** are not part of RFC-8259: +** +** json_valid(X) returns false +** json_error_position(X) return 0 +** +** (3) If the input X cannot be interpreted as JSON even taking extensions +** into account: +** +** json_valid(X) return false +** json_error_position(X) returns 1 or more +*/ +static void jsonErrorFunc( + sqlite3_context *ctx, + int argc, + sqlite3_value **argv +){ + JsonParse *p; /* The parse */ + UNUSED_PARAMETER(argc); + if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; + p = jsonParseCached(ctx, argv[0], 0, 0); + if( p==0 || p->oom ){ + sqlite3_result_error_nomem(ctx); + sqlite3_free(p); + }else if( p->nErr==0 ){ + sqlite3_result_int(ctx, 0); + }else{ + int n = 1; + u32 i; + const char *z = (const char*)sqlite3_value_text(argv[0]); + for(i=0; iiErr && ALWAYS(z[i]); i++){ + if( (z[i]&0xc0)!=0x80 ) n++; + } + sqlite3_result_int(ctx, n); + jsonParseFree(p); + } } @@ -187315,7 +204331,7 @@ static void jsonArrayStep( sqlite3_value **argv ){ JsonString *pStr; - UNUSED_PARAM(argc); + UNUSED_PARAMETER(argc); pStr = (JsonString*)sqlite3_aggregate_context(ctx, sizeof(*pStr)); if( pStr ){ if( pStr->zBuf==0 ){ @@ -187323,8 +204339,8 @@ static void jsonArrayStep( jsonAppendChar(pStr, '['); }else if( pStr->nUsed>1 ){ jsonAppendChar(pStr, ','); - pStr->pCtx = ctx; } + pStr->pCtx = ctx; jsonAppendValue(pStr, argv[0]); } } @@ -187339,7 +204355,8 @@ static void jsonArrayCompute(sqlite3_context *ctx, int isFinal){ assert( pStr->bStatic ); }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + (void(*)(void*))sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -187375,20 +204392,16 @@ static void jsonGroupInverse( char *z; char c; JsonString *pStr; - UNUSED_PARAM(argc); - UNUSED_PARAM(argv); + UNUSED_PARAMETER(argc); + UNUSED_PARAMETER(argv); pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0); #ifdef NEVER /* pStr is always non-NULL since jsonArrayStep() or jsonObjectStep() will - ** always have been called to initalize it */ + ** always have been called to initialize it */ if( NEVER(!pStr) ) return; #endif z = pStr->zBuf; - for(i=1; (c = z[i])!=',' || inStr || nNest; i++){ - if( i>=pStr->nUsed ){ - pStr->nUsed = 1; - return; - } + for(i=1; inUsed && ((c = z[i])!=',' || inStr || nNest); i++){ if( c=='"' ){ inStr = !inStr; }else if( c=='\\' ){ @@ -187398,8 +204411,13 @@ static void jsonGroupInverse( if( c=='}' || c==']' ) nNest--; } } - pStr->nUsed -= i; - memmove(&z[1], &z[i+1], (size_t)pStr->nUsed-1); + if( inUsed ){ + pStr->nUsed -= i; + memmove(&z[1], &z[i+1], (size_t)pStr->nUsed-1); + z[pStr->nUsed] = 0; + }else{ + pStr->nUsed = 1; + } } #else # define jsonGroupInverse 0 @@ -187419,7 +204437,7 @@ static void jsonObjectStep( JsonString *pStr; const char *z; u32 n; - UNUSED_PARAM(argc); + UNUSED_PARAMETER(argc); pStr = (JsonString*)sqlite3_aggregate_context(ctx, sizeof(*pStr)); if( pStr ){ if( pStr->zBuf==0 ){ @@ -187427,8 +204445,8 @@ static void jsonObjectStep( jsonAppendChar(pStr, '{'); }else if( pStr->nUsed>1 ){ jsonAppendChar(pStr, ','); - pStr->pCtx = ctx; } + pStr->pCtx = ctx; z = (const char*)sqlite3_value_text(argv[0]); n = (u32)sqlite3_value_bytes(argv[0]); jsonAppendString(pStr, z, n); @@ -187446,7 +204464,8 @@ static void jsonObjectCompute(sqlite3_context *ctx, int isFinal){ assert( pStr->bStatic ); }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + (void(*)(void*))sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -187510,10 +204529,10 @@ static int jsonEachConnect( #define JEACH_JSON 8 #define JEACH_ROOT 9 - UNUSED_PARAM(pzErr); - UNUSED_PARAM(argv); - UNUSED_PARAM(argc); - UNUSED_PARAM(pAux); + UNUSED_PARAMETER(pzErr); + UNUSED_PARAMETER(argv); + UNUSED_PARAMETER(argc); + UNUSED_PARAMETER(pAux); rc = sqlite3_declare_vtab(db, "CREATE TABLE x(key,value,type,atom,id,parent,fullkey,path," "json HIDDEN,root HIDDEN)"); @@ -187536,7 +204555,7 @@ static int jsonEachDisconnect(sqlite3_vtab *pVtab){ static int jsonEachOpenEach(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ JsonEachCursor *pCur; - UNUSED_PARAM(p); + UNUSED_PARAMETER(p); pCur = sqlite3_malloc( sizeof(*pCur) ); if( pCur==0 ) return SQLITE_NOMEM; memset(pCur, 0, sizeof(*pCur)); @@ -187557,7 +204576,6 @@ static int jsonEachOpenTree(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ /* Reset a JsonEachCursor back to its original state. Free any memory ** held. */ static void jsonEachCursorReset(JsonEachCursor *p){ - sqlite3_free(p->zJson); sqlite3_free(p->zRoot); jsonParseReset(&p->sParse); p->iRowid = 0; @@ -187595,6 +204613,9 @@ static int jsonEachNext(sqlite3_vtab_cursor *cur){ JsonNode *pUp = &p->sParse.aNode[iUp]; p->eType = pUp->eType; if( pUp->eType==JSON_ARRAY ){ + assert( pUp->eU==0 || pUp->eU==3 ); + testcase( pUp->eU==3 ); + VVA( pUp->eU = 3 ); if( iUp==p->i-1 ){ pUp->u.iKey = 0; }else{ @@ -187623,6 +204644,35 @@ static int jsonEachNext(sqlite3_vtab_cursor *cur){ return SQLITE_OK; } +/* Append an object label to the JSON Path being constructed +** in pStr. +*/ +static void jsonAppendObjectPathElement( + JsonString *pStr, + JsonNode *pNode +){ + int jj, nn; + const char *z; + assert( pNode->eType==JSON_STRING ); + assert( pNode->jnFlags & JNODE_LABEL ); + assert( pNode->eU==1 ); + z = pNode->u.zJContent; + nn = pNode->n; + if( (pNode->jnFlags & JNODE_RAW)==0 ){ + assert( nn>=2 ); + assert( z[0]=='"' || z[0]=='\'' ); + assert( z[nn-1]=='"' || z[0]=='\'' ); + if( nn>2 && sqlite3Isalpha(z[1]) ){ + for(jj=2; jjsParse.aNode[i]; pUp = &p->sParse.aNode[iUp]; if( pUp->eType==JSON_ARRAY ){ + assert( pUp->eU==3 || (pUp->eU==0 && pUp->u.iKey==0) ); + testcase( pUp->eU==0 ); jsonPrintf(30, pStr, "[%d]", pUp->u.iKey); }else{ assert( pUp->eType==JSON_OBJECT ); if( (pNode->jnFlags & JNODE_LABEL)==0 ) pNode--; - assert( pNode->eType==JSON_STRING ); - assert( pNode->jnFlags & JNODE_LABEL ); - jsonPrintf(pNode->n+1, pStr, ".%.*s", pNode->n-2, pNode->u.zJContent+1); + jsonAppendObjectPathElement(pStr, pNode); } } @@ -187663,11 +204713,12 @@ static int jsonEachColumn( case JEACH_KEY: { if( p->i==0 ) break; if( p->eType==JSON_OBJECT ){ - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); }else if( p->eType==JSON_ARRAY ){ u32 iKey; if( p->bRecursive ){ if( p->iRowid==0 ) break; + assert( p->sParse.aNode[p->sParse.aUp[p->i]].eU==3 ); iKey = p->sParse.aNode[p->sParse.aUp[p->i]].u.iKey; }else{ iKey = p->iRowid; @@ -187678,7 +204729,7 @@ static int jsonEachColumn( } case JEACH_VALUE: { if( pThis->jnFlags & JNODE_LABEL ) pThis++; - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); break; } case JEACH_TYPE: { @@ -187689,7 +204740,7 @@ static int jsonEachColumn( case JEACH_ATOM: { if( pThis->jnFlags & JNODE_LABEL ) pThis++; if( pThis->eType>=JSON_ARRAY ) break; - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); break; } case JEACH_ID: { @@ -187717,7 +204768,7 @@ static int jsonEachColumn( if( p->eType==JSON_ARRAY ){ jsonPrintf(30, &x, "[%d]", p->iRowid); }else if( p->eType==JSON_OBJECT ){ - jsonPrintf(pThis->n, &x, ".%.*s", pThis->n-2, pThis->u.zJContent+1); + jsonAppendObjectPathElement(&x, pThis); } } jsonResult(&x); @@ -187775,7 +204826,7 @@ static int jsonEachBestIndex( /* This implementation assumes that JSON and ROOT are the last two ** columns in the table */ assert( JEACH_ROOT == JEACH_JSON+1 ); - UNUSED_PARAM(tab); + UNUSED_PARAMETER(tab); aIdx[0] = aIdx[1] = -1; pConstraint = pIdxInfo->aConstraint; for(i=0; inConstraint; i++, pConstraint++){ @@ -187784,6 +204835,7 @@ static int jsonEachBestIndex( if( pConstraint->iColumn < JEACH_JSON ) continue; iCol = pConstraint->iColumn - JEACH_JSON; assert( iCol==0 || iCol==1 ); + testcase( iCol==0 ); iMask = 1 << iCol; if( pConstraint->usable==0 ){ unusableMask |= iMask; @@ -187792,6 +204844,13 @@ static int jsonEachBestIndex( idxMask |= iMask; } } + if( pIdxInfo->nOrderBy>0 + && pIdxInfo->aOrderBy[0].iColumn<0 + && pIdxInfo->aOrderBy[0].desc==0 + ){ + pIdxInfo->orderByConsumed = 1; + } + if( (unusableMask & ~idxMask)!=0 ){ /* If there are any unusable constraints on JSON or ROOT, then reject ** this entire plan */ @@ -187830,17 +204889,25 @@ static int jsonEachFilter( const char *zRoot = 0; sqlite3_int64 n; - UNUSED_PARAM(idxStr); - UNUSED_PARAM(argc); + UNUSED_PARAMETER(idxStr); + UNUSED_PARAMETER(argc); jsonEachCursorReset(p); if( idxNum==0 ) return SQLITE_OK; z = (const char*)sqlite3_value_text(argv[0]); if( z==0 ) return SQLITE_OK; - n = sqlite3_value_bytes(argv[0]); - p->zJson = sqlite3_malloc64( n+1 ); - if( p->zJson==0 ) return SQLITE_NOMEM; - memcpy(p->zJson, z, (size_t)n+1); - if( jsonParse(&p->sParse, 0, p->zJson) ){ + memset(&p->sParse, 0, sizeof(p->sParse)); + p->sParse.nJPRef = 1; + if( sqlite3ValueIsOfClass(argv[0], (void(*)(void*))sqlite3RCStrUnref) ){ + p->sParse.zJson = sqlite3RCStrRef((char*)z); + }else{ + n = sqlite3_value_bytes(argv[0]); + p->sParse.zJson = sqlite3RCStrNew( n+1 ); + if( p->sParse.zJson==0 ) return SQLITE_NOMEM; + memcpy(p->sParse.zJson, z, (size_t)n+1); + } + p->sParse.bJsonIsRCStr = 1; + p->zJson = p->sParse.zJson; + if( jsonParse(&p->sParse, 0) ){ int rc = SQLITE_NOMEM; if( p->sParse.oom==0 ){ sqlite3_free(cur->pVtab->zErrMsg); @@ -187881,6 +204948,8 @@ static int jsonEachFilter( p->iBegin = p->i = (int)(pNode - p->sParse.aNode); p->eType = pNode->eType; if( p->eType>=JSON_ARRAY ){ + assert( pNode->eU==0 ); + VVA( pNode->eU = 3 ); pNode->u.iKey = 0; p->iEnd = p->i + pNode->n + 1; if( p->bRecursive ){ @@ -187954,108 +205023,69 @@ static sqlite3_module jsonTreeModule = { 0 /* xShadowName */ }; #endif /* SQLITE_OMIT_VIRTUALTABLE */ - -/**************************************************************************** -** The following routines are the only publically visible identifiers in this -** file. Call the following routines in order to register the various SQL -** functions and the virtual table implemented by this file. -****************************************************************************/ - -SQLITE_PRIVATE int sqlite3Json1Init(sqlite3 *db){ - int rc = SQLITE_OK; - unsigned int i; - static const struct { - const char *zName; - int nArg; - int flag; - void (*xFunc)(sqlite3_context*,int,sqlite3_value**); - } aFunc[] = { - { "json", 1, 0, jsonRemoveFunc }, - { "json_array", -1, 0, jsonArrayFunc }, - { "json_array_length", 1, 0, jsonArrayLengthFunc }, - { "json_array_length", 2, 0, jsonArrayLengthFunc }, - { "json_extract", -1, 0, jsonExtractFunc }, - { "json_insert", -1, 0, jsonSetFunc }, - { "json_object", -1, 0, jsonObjectFunc }, - { "json_patch", 2, 0, jsonPatchFunc }, - { "json_quote", 1, 0, jsonQuoteFunc }, - { "json_remove", -1, 0, jsonRemoveFunc }, - { "json_replace", -1, 0, jsonReplaceFunc }, - { "json_set", -1, 1, jsonSetFunc }, - { "json_type", 1, 0, jsonTypeFunc }, - { "json_type", 2, 0, jsonTypeFunc }, - { "json_valid", 1, 0, jsonValidFunc }, - +#endif /* !defined(SQLITE_OMIT_JSON) */ + +/* +** Register JSON functions. +*/ +SQLITE_PRIVATE void sqlite3RegisterJsonFunctions(void){ +#ifndef SQLITE_OMIT_JSON + static FuncDef aJsonFunc[] = { + JFUNCTION(json, 1, 0, jsonRemoveFunc), + JFUNCTION(json_array, -1, 0, jsonArrayFunc), + JFUNCTION(json_array_length, 1, 0, jsonArrayLengthFunc), + JFUNCTION(json_array_length, 2, 0, jsonArrayLengthFunc), + JFUNCTION(json_error_position,1, 0, jsonErrorFunc), + JFUNCTION(json_extract, -1, 0, jsonExtractFunc), + JFUNCTION(->, 2, JSON_JSON, jsonExtractFunc), + JFUNCTION(->>, 2, JSON_SQL, jsonExtractFunc), + JFUNCTION(json_insert, -1, 0, jsonSetFunc), + JFUNCTION(json_object, -1, 0, jsonObjectFunc), + JFUNCTION(json_patch, 2, 0, jsonPatchFunc), + JFUNCTION(json_quote, 1, 0, jsonQuoteFunc), + JFUNCTION(json_remove, -1, 0, jsonRemoveFunc), + JFUNCTION(json_replace, -1, 0, jsonReplaceFunc), + JFUNCTION(json_set, -1, JSON_ISSET, jsonSetFunc), + JFUNCTION(json_type, 1, 0, jsonTypeFunc), + JFUNCTION(json_type, 2, 0, jsonTypeFunc), + JFUNCTION(json_valid, 1, 0, jsonValidFunc), #if SQLITE_DEBUG - /* DEBUG and TESTING functions */ - { "json_parse", 1, 0, jsonParseFunc }, - { "json_test1", 1, 0, jsonTest1Func }, -#endif + JFUNCTION(json_parse, 1, 0, jsonParseFunc), + JFUNCTION(json_test1, 1, 0, jsonTest1Func), +#endif + WAGGREGATE(json_group_array, 1, 0, 0, + jsonArrayStep, jsonArrayFinal, jsonArrayValue, jsonGroupInverse, + SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC), + WAGGREGATE(json_group_object, 2, 0, 0, + jsonObjectStep, jsonObjectFinal, jsonObjectValue, jsonGroupInverse, + SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC) }; + sqlite3InsertBuiltinFuncs(aJsonFunc, ArraySize(aJsonFunc)); +#endif +} + +#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_JSON) +/* +** Register the JSON table-valued functions +*/ +SQLITE_PRIVATE int sqlite3JsonTableFunctions(sqlite3 *db){ + int rc = SQLITE_OK; static const struct { - const char *zName; - int nArg; - void (*xStep)(sqlite3_context*,int,sqlite3_value**); - void (*xFinal)(sqlite3_context*); - void (*xValue)(sqlite3_context*); - } aAgg[] = { - { "json_group_array", 1, - jsonArrayStep, jsonArrayFinal, jsonArrayValue }, - { "json_group_object", 2, - jsonObjectStep, jsonObjectFinal, jsonObjectValue }, - }; -#ifndef SQLITE_OMIT_VIRTUALTABLE - static const struct { - const char *zName; - sqlite3_module *pModule; + const char *zName; + sqlite3_module *pModule; } aMod[] = { { "json_each", &jsonEachModule }, { "json_tree", &jsonTreeModule }, }; -#endif - static const int enc = - SQLITE_UTF8 | - SQLITE_DETERMINISTIC | - SQLITE_INNOCUOUS; - for(i=0; i */ @@ -188194,7 +205246,9 @@ struct Rtree { u8 nBytesPerCell; /* Bytes consumed per cell */ u8 inWrTrans; /* True if inside write transaction */ u8 nAux; /* # of auxiliary columns in %_rowid */ +#ifdef SQLITE_ENABLE_GEOPOLY u8 nAuxNotNull; /* Number of initial not-null aux columns */ +#endif #ifdef SQLITE_DEBUG u8 bCorrupt; /* Shadow table corruption detected */ #endif @@ -188476,7 +205530,12 @@ struct RtreeMatchArg { ** it is not, make it a no-op. */ #ifndef SQLITE_AMALGAMATION -# define testcase(X) +# if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG) + unsigned int sqlite3RtreeTestcase = 0; +# define testcase(X) if( X ){ sqlite3RtreeTestcase += __LINE__; } +# else +# define testcase(X) +# endif #endif /* @@ -188506,16 +205565,17 @@ struct RtreeMatchArg { ** at run-time. */ #ifndef SQLITE_BYTEORDER -#if defined(i386) || defined(__i386__) || defined(_M_IX86) || \ - defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ - defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ - defined(__arm__) -# define SQLITE_BYTEORDER 1234 -#elif defined(sparc) || defined(__ppc__) -# define SQLITE_BYTEORDER 4321 -#else -# define SQLITE_BYTEORDER 0 /* 0 means "unknown at compile-time" */ -#endif +# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ + defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ + defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) +# define SQLITE_BYTEORDER 1234 +# elif defined(sparc) || defined(__ppc__) || \ + defined(__ARMEB__) || defined(__AARCH64EB__) +# define SQLITE_BYTEORDER 4321 +# else +# define SQLITE_BYTEORDER 0 +# endif #endif @@ -188536,7 +205596,7 @@ static int readInt16(u8 *p){ return (p[0]<<8) + p[1]; } static void readCoord(u8 *p, RtreeCoord *pCoord){ - assert( ((((char*)p) - (char*)0)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); #if SQLITE_BYTEORDER==1234 && MSVC_VERSION>=1300 pCoord->u = _byteswap_ulong(*(u32*)p); #elif SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -188590,7 +205650,7 @@ static void writeInt16(u8 *p, int i){ } static int writeCoord(u8 *p, RtreeCoord *pCoord){ u32 i; - assert( ((((char*)p) - (char*)0)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); assert( sizeof(RtreeCoord)==4 ); assert( sizeof(u32)==4 ); #if SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -188725,18 +205785,6 @@ static void nodeBlobReset(Rtree *pRtree){ } } -/* -** Check to see if pNode is the same as pParent or any of the parents -** of pParent. -*/ -static int nodeInParentChain(const RtreeNode *pNode, const RtreeNode *pParent){ - do{ - if( pNode==pParent ) return 1; - pParent = pParent->pParent; - }while( pParent ); - return 0; -} - /* ** Obtain a reference to an r-tree node. */ @@ -188753,14 +205801,7 @@ static int nodeAcquire( ** increase its reference count and return it. */ if( (pNode = nodeHashLookup(pRtree, iNode))!=0 ){ - if( pParent && !pNode->pParent ){ - if( nodeInParentChain(pNode, pParent) ){ - RTREE_IS_CORRUPT(pRtree); - return SQLITE_CORRUPT_VTAB; - } - pParent->nRef++; - pNode->pParent = pParent; - }else if( pParent && pNode->pParent && pParent!=pNode->pParent ){ + if( pParent && pParent!=pNode->pParent ){ RTREE_IS_CORRUPT(pRtree); return SQLITE_CORRUPT_VTAB; } @@ -188818,7 +205859,7 @@ static int nodeAcquire( ** are the leaves, and so on. If the depth as specified on the root node ** is greater than RTREE_MAX_DEPTH, the r-tree structure must be corrupt. */ - if( pNode && iNode==1 ){ + if( rc==SQLITE_OK && pNode && iNode==1 ){ pRtree->iDepth = readInt16(pNode->zData); if( pRtree->iDepth>RTREE_MAX_DEPTH ){ rc = SQLITE_CORRUPT_VTAB; @@ -189337,24 +206378,33 @@ static void rtreeNonleafConstraint( assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); - assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ case RTREE_FALSE: break; /* Never satisfied */ + case RTREE_EQ: + RTREE_DECODE_COORD(eInt, pCellData, val); + /* val now holds the lower bound of the coordinate pair */ + if( p->u.rValue>=val ){ + pCellData += 4; + RTREE_DECODE_COORD(eInt, pCellData, val); + /* val now holds the upper bound of the coordinate pair */ + if( p->u.rValue<=val ) return; + } + break; case RTREE_LE: case RTREE_LT: - case RTREE_EQ: RTREE_DECODE_COORD(eInt, pCellData, val); /* val now holds the lower bound of the coordinate pair */ if( p->u.rValue>=val ) return; - if( p->op!=RTREE_EQ ) break; /* RTREE_LE and RTREE_LT end here */ - /* Fall through for the RTREE_EQ case */ + break; - default: /* RTREE_GT or RTREE_GE, or fallthrough of RTREE_EQ */ + default: pCellData += 4; RTREE_DECODE_COORD(eInt, pCellData, val); /* val now holds the upper bound of the coordinate pair */ if( p->u.rValue<=val ) return; + break; } *peWithin = NOT_WITHIN; } @@ -189381,7 +206431,7 @@ static void rtreeLeafConstraint( || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); pCellData += 8 + p->iCoord*4; - assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); RTREE_DECODE_COORD(eInt, pCellData, xN); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ @@ -189424,11 +206474,12 @@ static int nodeRowidIndex( */ static int nodeParentIndex(Rtree *pRtree, RtreeNode *pNode, int *piIndex){ RtreeNode *pParent = pNode->pParent; - if( pParent ){ + if( ALWAYS(pParent) ){ return nodeRowidIndex(pRtree, pParent, pNode->iNode, piIndex); + }else{ + *piIndex = -1; + return SQLITE_OK; } - *piIndex = -1; - return SQLITE_OK; } /* @@ -189551,7 +206602,8 @@ static RtreeSearchPoint *rtreeSearchPointNew( pNew = rtreeEnqueue(pCur, rScore, iLevel); if( pNew==0 ) return 0; ii = (int)(pNew - pCur->aPoint) + 1; - if( iiaNode[ii]==0 ); pCur->aNode[ii] = pCur->aNode[0]; }else{ @@ -189612,7 +206664,7 @@ static void rtreeSearchPointPop(RtreeCursor *p){ if( p->bPoint ){ p->anQueue[p->sPoint.iLevel]--; p->bPoint = 0; - }else if( p->nPoint ){ + }else if( ALWAYS(p->nPoint) ){ p->anQueue[p->aPoint[0].iLevel]--; n = --p->nPoint; p->aPoint[0] = p->aPoint[n]; @@ -189753,7 +206805,7 @@ static int rtreeRowid(sqlite3_vtab_cursor *pVtabCursor, sqlite_int64 *pRowid){ RtreeSearchPoint *p = rtreeSearchPointFirst(pCsr); int rc = SQLITE_OK; RtreeNode *pNode = rtreeNodeOfFirstSearchPoint(pCsr, &rc); - if( rc==SQLITE_OK && p ){ + if( rc==SQLITE_OK && ALWAYS(p) ){ *pRowid = nodeGetRowid(RTREE_OF_CURSOR(pCsr), pNode, p->iCell); } return rc; @@ -189771,7 +206823,7 @@ static int rtreeColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ RtreeNode *pNode = rtreeNodeOfFirstSearchPoint(pCsr, &rc); if( rc ) return rc; - if( p==0 ) return SQLITE_OK; + if( NEVER(p==0) ) return SQLITE_OK; if( i==0 ){ sqlite3_result_int64(ctx, nodeGetRowid(pRtree, pNode, p->iCell)); }else if( i<=pRtree->nDim2 ){ @@ -189949,7 +207001,20 @@ static int rtreeFilter( p->pInfo->nCoord = pRtree->nDim2; p->pInfo->anQueue = pCsr->anQueue; p->pInfo->mxLevel = pRtree->iDepth + 1; - }else if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ + }else if( eType==SQLITE_INTEGER ){ + sqlite3_int64 iVal = sqlite3_value_int64(argv[ii]); +#ifdef SQLITE_RTREE_INT_ONLY + p->u.rValue = iVal; +#else + p->u.rValue = (double)iVal; + if( iVal>=((sqlite3_int64)1)<<48 + || iVal<=-(((sqlite3_int64)1)<<48) + ){ + if( p->op==RTREE_LT ) p->op = RTREE_LE; + if( p->op==RTREE_GT ) p->op = RTREE_GE; + } +#endif + }else if( eType==SQLITE_FLOAT ){ #ifdef SQLITE_RTREE_INT_ONLY p->u.rValue = sqlite3_value_int64(argv[ii]); #else @@ -189970,8 +207035,11 @@ static int rtreeFilter( } if( rc==SQLITE_OK ){ RtreeSearchPoint *pNew; + assert( pCsr->bPoint==0 ); /* Due to the resetCursor() call above */ pNew = rtreeSearchPointNew(pCsr, RTREE_ZERO, (u8)(pRtree->iDepth+1)); - if( pNew==0 ) return SQLITE_NOMEM; + if( NEVER(pNew==0) ){ /* Because pCsr->bPoint was FALSE */ + return SQLITE_NOMEM; + } pNew->id = 1; pNew->iCell = 0; pNew->eWithin = PARTLY_WITHIN; @@ -190048,7 +207116,7 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[ii]; if( bMatch==0 && p->usable - && p->iColumn==0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ + && p->iColumn<=0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ ){ /* We have an equality constraint on the rowid. Use strategy 1. */ int jj; @@ -190077,11 +207145,12 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ || p->op==SQLITE_INDEX_CONSTRAINT_MATCH) ){ u8 op; + u8 doOmit = 1; switch( p->op ){ - case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; break; - case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; break; + case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; doOmit = 0; break; + case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_LE: op = RTREE_LE; break; - case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; break; + case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_GE: op = RTREE_GE; break; case SQLITE_INDEX_CONSTRAINT_MATCH: op = RTREE_MATCH; break; default: op = 0; break; @@ -190090,7 +207159,7 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ zIdxStr[iIdx++] = op; zIdxStr[iIdx++] = (char)(p->iColumn - 1 + '0'); pIdxInfo->aConstraintUsage[ii].argvIndex = (iIdx/2); - pIdxInfo->aConstraintUsage[ii].omit = 1; + pIdxInfo->aConstraintUsage[ii].omit = doOmit; } } } @@ -190254,7 +207323,7 @@ static int ChooseLeaf( int nCell = NCELL(pNode); RtreeCell cell; - RtreeNode *pChild; + RtreeNode *pChild = 0; RtreeCell *aCell = 0; @@ -190301,12 +207370,19 @@ static int AdjustTree( ){ RtreeNode *p = pNode; int cnt = 0; + int rc; while( p->pParent ){ RtreeNode *pParent = p->pParent; RtreeCell cell; int iCell; - if( (++cnt)>1000 || nodeParentIndex(pRtree, p, &iCell) ){ + cnt++; + if( NEVER(cnt>100) ){ + RTREE_IS_CORRUPT(pRtree); + return SQLITE_CORRUPT_VTAB; + } + rc = nodeParentIndex(pRtree, p, &iCell); + if( NEVER(rc!=SQLITE_OK) ){ RTREE_IS_CORRUPT(pRtree); return SQLITE_CORRUPT_VTAB; } @@ -190595,12 +207671,17 @@ static int updateMapping( xSetMapping = ((iHeight==0)?rowidWrite:parentWrite); if( iHeight>0 ){ RtreeNode *pChild = nodeHashLookup(pRtree, iRowid); + RtreeNode *p; + for(p=pNode; p; p=p->pParent){ + if( p==pChild ) return SQLITE_CORRUPT_VTAB; + } if( pChild ){ nodeRelease(pRtree, pChild->pParent); nodeReference(pNode); pChild->pParent = pNode; } } + if( NEVER(pNode==0) ) return SQLITE_ERROR; return xSetMapping(pRtree, iRowid, pNode->iNode); } @@ -190690,11 +207771,12 @@ static int SplitNode( RtreeNode *pParent = pLeft->pParent; int iCell; rc = nodeParentIndex(pRtree, pLeft, &iCell); - if( rc==SQLITE_OK ){ + if( ALWAYS(rc==SQLITE_OK) ){ nodeOverwriteCell(pRtree, pParent, &leftbbox, iCell); rc = AdjustTree(pRtree, pParent, &leftbbox); + assert( rc==SQLITE_OK ); } - if( rc!=SQLITE_OK ){ + if( NEVER(rc!=SQLITE_OK) ){ goto splitnode_out; } } @@ -190769,7 +207851,7 @@ static int fixLeafParent(Rtree *pRtree, RtreeNode *pLeaf){ */ iNode = sqlite3_column_int64(pRtree->pReadParent, 0); for(pTest=pLeaf; pTest && pTest->iNode!=iNode; pTest=pTest->pParent); - if( !pTest ){ + if( pTest==0 ){ rc2 = nodeAcquire(pRtree, iNode, 0, &pChild->pParent); } } @@ -190800,6 +207882,7 @@ static int removeNode(Rtree *pRtree, RtreeNode *pNode, int iHeight){ pParent = pNode->pParent; pNode->pParent = 0; rc = deleteCell(pRtree, pParent, iCell, iHeight+1); + testcase( rc!=SQLITE_OK ); } rc2 = nodeRelease(pRtree, pParent); if( rc==SQLITE_OK ){ @@ -191022,7 +208105,7 @@ static int rtreeInsertCell( } }else{ rc = AdjustTree(pRtree, pNode, pCell); - if( rc==SQLITE_OK ){ + if( ALWAYS(rc==SQLITE_OK) ){ if( iHeight==0 ){ rc = rowidWrite(pRtree, pCell->iRowid, pNode->iNode); }else{ @@ -191128,7 +208211,7 @@ static int rtreeDeleteRowid(Rtree *pRtree, sqlite3_int64 iDelete){ int rc2; RtreeNode *pChild = 0; i64 iChild = nodeGetRowid(pRtree, pRoot, 0); - rc = nodeAcquire(pRtree, iChild, pRoot, &pChild); + rc = nodeAcquire(pRtree, iChild, pRoot, &pChild); /* tag-20210916a */ if( rc==SQLITE_OK ){ rc = removeNode(pRtree, pChild, pRtree->iDepth-1); } @@ -191261,7 +208344,7 @@ static int rtreeUpdate( rtreeReference(pRtree); assert(nData>=1); - cell.iRowid = 0; /* Used only to suppress a compiler warning */ + memset(&cell, 0, sizeof(cell)); /* Constraint handling. A write operation on an r-tree table may return ** SQLITE_CONSTRAINT for two reasons: @@ -191463,7 +208546,7 @@ static int rtreeQueryStat1(sqlite3 *db, Rtree *pRtree){ char *zSql; sqlite3_stmt *p; int rc; - i64 nRow = 0; + i64 nRow = RTREE_MIN_ROWEST; rc = sqlite3_table_column_metadata( db, pRtree->zDb, "sqlite_stat1",0,0,0,0,0,0 @@ -191480,20 +208563,10 @@ static int rtreeQueryStat1(sqlite3 *db, Rtree *pRtree){ if( rc==SQLITE_OK ){ if( sqlite3_step(p)==SQLITE_ROW ) nRow = sqlite3_column_int64(p, 0); rc = sqlite3_finalize(p); - }else if( rc!=SQLITE_NOMEM ){ - rc = SQLITE_OK; - } - - if( rc==SQLITE_OK ){ - if( nRow==0 ){ - pRtree->nRowEst = RTREE_DEFAULT_ROWEST; - }else{ - pRtree->nRowEst = MAX(nRow, RTREE_MIN_ROWEST); - } } sqlite3_free(zSql); } - + pRtree->nRowEst = MAX(nRow, RTREE_MIN_ROWEST); return rc; } @@ -191643,9 +208716,12 @@ static int rtreeSqlInit( sqlite3_str_appendf(p, "UPDATE \"%w\".\"%w_rowid\"SET ", zDb, zPrefix); for(ii=0; iinAux; ii++){ if( ii ) sqlite3_str_append(p, ",", 1); +#ifdef SQLITE_ENABLE_GEOPOLY if( iinAuxNotNull ){ sqlite3_str_appendf(p,"a%d=coalesce(?%d,a%d)",ii,ii+2,ii); - }else{ + }else +#endif + { sqlite3_str_appendf(p,"a%d=?%d",ii,ii+2); } } @@ -191910,6 +208986,7 @@ static void rtreenode(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){ tree.nDim2 = tree.nDim*2; tree.nBytesPerCell = 8 + 8 * tree.nDim; node.zData = (u8 *)sqlite3_value_blob(apArg[1]); + if( node.zData==0 ) return; nData = sqlite3_value_bytes(apArg[1]); if( nData<4 ) return; if( nDataz[0]) ) p->z++; + while( fast_isspace(p->z[0]) ) p->z++; return p->z[0]; } @@ -192734,11 +209815,16 @@ static GeoPoly *geopolyFuncParam( ){ GeoPoly *p = 0; int nByte; + testcase( pCtx==0 ); if( sqlite3_value_type(pVal)==SQLITE_BLOB - && (nByte = sqlite3_value_bytes(pVal))>=(4+6*sizeof(GeoCoord)) + && (nByte = sqlite3_value_bytes(pVal))>=(int)(4+6*sizeof(GeoCoord)) ){ const unsigned char *a = sqlite3_value_blob(pVal); int nVertex; + if( a==0 ){ + if( pCtx ) sqlite3_result_error_nomem(pCtx); + return 0; + } nVertex = (a[1]<<16) + (a[2]<<8) + a[3]; if( (a[0]==0 || a[0]==1) && (nVertex*2*sizeof(GeoCoord) + 4)==(unsigned int)nByte @@ -192789,6 +209875,7 @@ static void geopolyBlobFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); @@ -192808,6 +209895,7 @@ static void geopolyJsonFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3 *db = sqlite3_context_db_handle(context); sqlite3_str *x = sqlite3_str_new(db); @@ -192889,6 +209977,7 @@ static void geopolyXformFunc( double F = sqlite3_value_double(argv[6]); GeoCoord x1, y1, x0, y0; int ii; + (void)argc; if( p ){ for(ii=0; iinVertex; ii++){ x0 = GeoX(p,ii); @@ -192939,6 +210028,7 @@ static void geopolyAreaFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3_result_double(context, geopolyArea(p)); sqlite3_free(p); @@ -192964,6 +210054,7 @@ static void geopolyCcwFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ if( geopolyArea(p)<0.0 ){ int ii, jj; @@ -193018,6 +210109,7 @@ static void geopolyRegularFunc( int n = sqlite3_value_int(argv[3]); int i; GeoPoly *p; + (void)argc; if( n<3 || r<=0.0 ) return; if( n>1000 ) n = 1000; @@ -193112,7 +210204,7 @@ static GeoPoly *geopolyBBox( aCoord[2].f = mnY; aCoord[3].f = mxY; } - }else{ + }else if( aCoord ){ memset(aCoord, 0, sizeof(RtreeCoord)*4); } return pOut; @@ -193127,6 +210219,7 @@ static void geopolyBBoxFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyBBox(context, argv[0], 0, 0); + (void)argc; if( p ){ sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); @@ -193154,6 +210247,7 @@ static void geopolyBBoxStep( ){ RtreeCoord a[4]; int rc = SQLITE_OK; + (void)argc; (void)geopolyBBox(context, argv[0], a, &rc); if( rc==SQLITE_OK ){ GeoBBox *pBBox; @@ -193242,6 +210336,8 @@ static void geopolyContainsPointFunc( int v = 0; int cnt = 0; int ii; + (void)argc; + if( p1==0 ) return; for(ii=0; iinVertex-1; ii++){ v = pointBeneathLine(x0,y0,GeoX(p1,ii), GeoY(p1,ii), @@ -193281,6 +210377,7 @@ static void geopolyWithinFunc( ){ GeoPoly *p1 = geopolyFuncParam(context, argv[0], 0); GeoPoly *p2 = geopolyFuncParam(context, argv[1], 0); + (void)argc; if( p1 && p2 ){ int x = geopolyOverlap(p1, p2); if( x<0 ){ @@ -193504,7 +210601,7 @@ static int geopolyOverlap(GeoPoly *p1, GeoPoly *p2){ geopolyAddSegments(p, p1, 1); geopolyAddSegments(p, p2, 2); pThisEvent = geopolySortEventsByX(p->aEvent, p->nEvent); - rX = pThisEvent->x==0.0 ? -1.0 : 0.0; + rX = pThisEvent && pThisEvent->x==0.0 ? -1.0 : 0.0; memset(aOverlap, 0, sizeof(aOverlap)); while( pThisEvent ){ if( pThisEvent->x!=rX ){ @@ -193563,11 +210660,11 @@ static int geopolyOverlap(GeoPoly *p1, GeoPoly *p2){ }else{ /* Remove a segment */ if( pActive==pThisEvent->pSeg ){ - pActive = pActive->pNext; + pActive = ALWAYS(pActive) ? pActive->pNext : 0; }else{ for(pSeg=pActive; pSeg; pSeg=pSeg->pNext){ if( pSeg->pNext==pThisEvent->pSeg ){ - pSeg->pNext = pSeg->pNext->pNext; + pSeg->pNext = ALWAYS(pSeg->pNext) ? pSeg->pNext->pNext : 0; break; } } @@ -193611,6 +210708,7 @@ static void geopolyOverlapFunc( ){ GeoPoly *p1 = geopolyFuncParam(context, argv[0], 0); GeoPoly *p2 = geopolyFuncParam(context, argv[1], 0); + (void)argc; if( p1 && p2 ){ int x = geopolyOverlap(p1, p2); if( x<0 ){ @@ -193631,8 +210729,12 @@ static void geopolyDebugFunc( int argc, sqlite3_value **argv ){ + (void)context; + (void)argc; #ifdef GEOPOLY_ENABLE_DEBUG geo_debug = sqlite3_value_int(argv[0]); +#else + (void)argv; #endif } @@ -193660,6 +210762,7 @@ static int geopolyInit( sqlite3_str *pSql; char *zSql; int ii; + (void)pAux; sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1); @@ -193776,6 +210879,7 @@ static int geopolyFilter( RtreeNode *pRoot = 0; int rc = SQLITE_OK; int iCell = 0; + (void)idxStr; rtreeReference(pRtree); @@ -193811,6 +210915,7 @@ static int geopolyFilter( RtreeCoord bbox[4]; RtreeConstraint *p; assert( argc==1 ); + assert( argv[0]!=0 ); geopolyBBox(0, argv[0], bbox, &rc); if( rc ){ goto geopoly_filter_end; @@ -193901,6 +211006,7 @@ static int geopolyBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int iRowidTerm = -1; int iFuncTerm = -1; int idxNum = 0; + (void)tab; for(ii=0; iinConstraint; ii++){ struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[ii]; @@ -194038,6 +211144,7 @@ static int geopolyUpdate( || !sqlite3_value_nochange(aData[2]) /* UPDATE _shape */ || oldRowid!=newRowid) /* Rowid change */ ){ + assert( aData[2]!=0 ); geopolyBBox(0, aData[2], cell.aCoord, &rc); if( rc ){ if( rc==SQLITE_ERROR ){ @@ -194120,7 +211227,7 @@ static int geopolyUpdate( sqlite3_free(p); nChange = 1; } - for(jj=1; jjnAux; jj++){ + for(jj=1; jjxGeom = 0; pGeomCtx->xQueryFunc = xQueryFunc; pGeomCtx->xDestructor = xDestructor; @@ -194720,8 +211832,9 @@ static void icuRegexpFunc(sqlite3_context *p, int nArg, sqlite3_value **apArg){ if( U_SUCCESS(status) ){ sqlite3_set_auxdata(p, 0, pExpr, icuRegexpDelete); - }else{ - assert(!pExpr); + pExpr = sqlite3_get_auxdata(p, 0); + } + if( !pExpr ){ icuFunctionError(p, "uregex_open", status); return; } @@ -195432,7 +212545,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** The order of the columns in the data_% table does not matter. ** ** Instead of a regular table, the RBU database may also contain virtual -** tables or view named using the data_ naming scheme. +** tables or views named using the data_ naming scheme. ** ** Instead of the plain data_ naming scheme, RBU database tables ** may also be named data_, where is any sequence @@ -195445,7 +212558,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** ** If the target database table is a virtual table or a table that has no ** PRIMARY KEY declaration, the data_% table must also contain a column -** named "rbu_rowid". This column is mapped to the tables implicit primary +** named "rbu_rowid". This column is mapped to the table's implicit primary ** key column - "rowid". Virtual tables for which the "rowid" column does ** not function like a primary key value cannot be updated using RBU. For ** example, if the target db contains either of the following: @@ -195878,6 +212991,34 @@ SQLITE_API void sqlite3rbu_bp_progress(sqlite3rbu *pRbu, int *pnOne, int*pnTwo); SQLITE_API int sqlite3rbu_state(sqlite3rbu *pRbu); +/* +** As part of applying an RBU update or performing an RBU vacuum operation, +** the system must at one point move the *-oal file to the equivalent *-wal +** path. Normally, it does this by invoking POSIX function rename(2) directly. +** Except on WINCE platforms, where it uses win32 API MoveFileW(). This +** function may be used to register a callback that the RBU module will invoke +** instead of one of these APIs. +** +** If a callback is registered with an RBU handle, it invokes it instead +** of rename(2) when it needs to move a file within the file-system. The +** first argument passed to the xRename() callback is a copy of the second +** argument (pArg) passed to this function. The second is the full path +** to the file to move and the third the full path to which it should be +** moved. The callback function should return SQLITE_OK to indicate +** success. If an error occurs, it should return an SQLite error code. +** In this case the RBU operation will be abandoned and the error returned +** to the RBU user. +** +** Passing a NULL pointer in place of the xRename argument to this function +** restores the default behaviour. +*/ +SQLITE_API void sqlite3rbu_rename_handler( + sqlite3rbu *pRbu, + void *pArg, + int (*xRename)(void *pArg, const char *zOld, const char *zNew) +); + + /* ** Create an RBU VFS named zName that accesses the underlying file-system ** via existing VFS zParent. Or, if the zParent parameter is passed NULL, @@ -195962,6 +213103,13 @@ SQLITE_API void sqlite3rbu_destroy_vfs(const char *zName); # define SWAP(TYPE,A,B) {TYPE t=A; A=B; B=t;} #endif +/* +** Name of the URI option that causes RBU to take an exclusive lock as +** part of the incremental checkpoint operation. +*/ +#define RBU_EXCLUSIVE_CHECKPOINT "rbu_exclusive_checkpoint" + + /* ** The rbu_state table is used to save the state of a partially applied ** update so that it can be resumed later. The table consists of integer @@ -196238,6 +213386,8 @@ struct sqlite3rbu { int nPagePerSector; /* Pages per sector for pTargetFd */ i64 iOalSz; i64 nPhaseOneStep; + void *pRenameArg; + int (*xRename)(void*, const char*, const char*); /* The following state variables are used as part of the incremental ** checkpoint stage (eStage==RBU_STAGE_CKPT). See comments surrounding @@ -197046,7 +214196,9 @@ static void rbuTableType( assert( p->rc==SQLITE_OK ); p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[0], &p->zErrmsg, sqlite3_mprintf( - "SELECT (sql LIKE 'create virtual%%'), rootpage" + "SELECT " + " (sql COLLATE nocase BETWEEN 'CREATE VIRTUAL' AND 'CREATE VIRTUAM')," + " rootpage" " FROM sqlite_schema" " WHERE name=%Q", zTab )); @@ -197406,7 +214558,7 @@ static char *rbuVacuumTableStart( ** the caller has to use an OFFSET clause to extract only the required ** rows from the sourct table, just as it does for an RBU update operation. */ -char *rbuVacuumIndexStart( +static char *rbuVacuumIndexStart( sqlite3rbu *p, /* RBU handle */ RbuObjIter *pIter /* RBU iterator object */ ){ @@ -197472,7 +214624,9 @@ char *rbuVacuumIndexStart( zSep = ""; for(iCol=0; iColnCol; iCol++){ const char *zQuoted = (const char*)sqlite3_column_text(pSel, iCol); - if( zQuoted[0]=='N' ){ + if( zQuoted==0 ){ + p->rc = SQLITE_NOMEM; + }else if( zQuoted[0]=='N' ){ bFailed = 1; break; } @@ -198577,7 +215731,7 @@ static RbuState *rbuLoadState(sqlite3rbu *p){ break; case RBU_STATE_OALSZ: - pRet->iOalSz = (u32)sqlite3_column_int64(pStmt, 1); + pRet->iOalSz = sqlite3_column_int64(pStmt, 1); break; case RBU_STATE_PHASEONESTEP: @@ -198604,19 +215758,25 @@ static RbuState *rbuLoadState(sqlite3rbu *p){ /* ** Open the database handle and attach the RBU database as "rbu". If an ** error occurs, leave an error code and message in the RBU handle. +** +** If argument dbMain is not NULL, then it is a database handle already +** open on the target database. Use this handle instead of opening a new +** one. */ -static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ +static void rbuOpenDatabase(sqlite3rbu *p, sqlite3 *dbMain, int *pbRetry){ assert( p->rc || (p->dbMain==0 && p->dbRbu==0) ); assert( p->rc || rbuIsVacuum(p) || p->zTarget!=0 ); + assert( dbMain==0 || rbuIsVacuum(p)==0 ); /* Open the RBU database */ p->dbRbu = rbuOpenDbhandle(p, p->zRbu, 1); + p->dbMain = dbMain; if( p->rc==SQLITE_OK && rbuIsVacuum(p) ){ sqlite3_file_control(p->dbRbu, "main", SQLITE_FCNTL_RBUCNT, (void*)p); if( p->zState==0 ){ const char *zFile = sqlite3_db_filename(p->dbRbu, "main"); - p->zState = rbuMPrintf(p, "file://%s-vacuum?modeof=%s", zFile, zFile); + p->zState = rbuMPrintf(p, "file:///%s-vacuum?modeof=%s", zFile, zFile); } } @@ -198864,11 +216024,11 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ ** no-ops. These locks will not be released until the connection ** is closed. ** - ** * Attempting to xSync() the database file causes an SQLITE_INTERNAL + ** * Attempting to xSync() the database file causes an SQLITE_NOTICE ** error. ** ** As a result, unless an error (i.e. OOM or SQLITE_BUSY) occurs, the - ** checkpoint below fails with SQLITE_INTERNAL, and leaves the aFrame[] + ** checkpoint below fails with SQLITE_NOTICE, and leaves the aFrame[] ** array populated with a set of (frame -> page) mappings. Because the ** WRITER, CHECKPOINT and READ0 locks are still held, it is safe to copy ** data from the wal file into the database file according to the @@ -198878,7 +216038,7 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ int rc2; p->eStage = RBU_STAGE_CAPTURE; rc2 = sqlite3_exec(p->dbMain, "PRAGMA main.wal_checkpoint=restart", 0, 0,0); - if( rc2!=SQLITE_INTERNAL ) p->rc = rc2; + if( rc2!=SQLITE_NOTICE ) p->rc = rc2; } if( p->rc==SQLITE_OK && p->nFrame>0 ){ @@ -198924,7 +216084,7 @@ static int rbuCaptureWalRead(sqlite3rbu *pRbu, i64 iOff, int iAmt){ if( pRbu->mLock!=mReq ){ pRbu->rc = SQLITE_BUSY; - return SQLITE_INTERNAL; + return SQLITE_NOTICE_RBU; } pRbu->pgsz = iAmt; @@ -198974,17 +216134,49 @@ static void rbuCheckpointFrame(sqlite3rbu *p, RbuFrame *pFrame){ p->rc = pDb->pMethods->xWrite(pDb, p->aBuf, p->pgsz, iOff); } +/* +** This value is copied from the definition of ZIPVFS_CTRL_FILE_POINTER +** in zipvfs.h. +*/ +#define RBU_ZIPVFS_CTRL_FILE_POINTER 230439 /* -** Take an EXCLUSIVE lock on the database file. +** Take an EXCLUSIVE lock on the database file. Return SQLITE_OK if +** successful, or an SQLite error code otherwise. */ -static void rbuLockDatabase(sqlite3rbu *p){ - sqlite3_file *pReal = p->pTargetFd->pReal; - assert( p->rc==SQLITE_OK ); - p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_SHARED); - if( p->rc==SQLITE_OK ){ - p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_EXCLUSIVE); +static int rbuLockDatabase(sqlite3 *db){ + int rc = SQLITE_OK; + sqlite3_file *fd = 0; + + sqlite3_file_control(db, "main", RBU_ZIPVFS_CTRL_FILE_POINTER, &fd); + if( fd ){ + sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, &fd); + rc = fd->pMethods->xLock(fd, SQLITE_LOCK_SHARED); + if( rc==SQLITE_OK ){ + rc = fd->pMethods->xUnlock(fd, SQLITE_LOCK_NONE); + } + sqlite3_file_control(db, "main", RBU_ZIPVFS_CTRL_FILE_POINTER, &fd); + }else{ + sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, &fd); + } + + if( rc==SQLITE_OK && fd->pMethods ){ + rc = fd->pMethods->xLock(fd, SQLITE_LOCK_SHARED); + if( rc==SQLITE_OK ){ + rc = fd->pMethods->xLock(fd, SQLITE_LOCK_EXCLUSIVE); + } } + return rc; +} + +/* +** Return true if the database handle passed as the only argument +** was opened with the rbu_exclusive_checkpoint=1 URI parameter +** specified. Or false otherwise. +*/ +static int rbuExclusiveCheckpoint(sqlite3 *db){ + const char *zUri = sqlite3_db_filename(db, 0); + return sqlite3_uri_boolean(zUri, RBU_EXCLUSIVE_CHECKPOINT, 0); } #if defined(_WIN32_WCE) @@ -199042,49 +216234,38 @@ static void rbuMoveOalFile(sqlite3rbu *p){ ** In order to ensure that there are no database readers, an EXCLUSIVE ** lock is obtained here before the *-oal is moved to *-wal. */ - rbuLockDatabase(p); - if( p->rc==SQLITE_OK ){ - rbuFileSuffix3(zBase, zWal); - rbuFileSuffix3(zBase, zOal); + sqlite3 *dbMain = 0; + rbuFileSuffix3(zBase, zWal); + rbuFileSuffix3(zBase, zOal); - /* Re-open the databases. */ - rbuObjIterFinalize(&p->objiter); - sqlite3_close(p->dbRbu); - sqlite3_close(p->dbMain); - p->dbMain = 0; - p->dbRbu = 0; + /* Re-open the databases. */ + rbuObjIterFinalize(&p->objiter); + sqlite3_close(p->dbRbu); + sqlite3_close(p->dbMain); + p->dbMain = 0; + p->dbRbu = 0; -#if defined(_WIN32_WCE) - { - LPWSTR zWideOal; - LPWSTR zWideWal; - - zWideOal = rbuWinUtf8ToUnicode(zOal); - if( zWideOal ){ - zWideWal = rbuWinUtf8ToUnicode(zWal); - if( zWideWal ){ - if( MoveFileW(zWideOal, zWideWal) ){ - p->rc = SQLITE_OK; - }else{ - p->rc = SQLITE_IOERR; - } - sqlite3_free(zWideWal); - }else{ - p->rc = SQLITE_IOERR_NOMEM; - } - sqlite3_free(zWideOal); - }else{ - p->rc = SQLITE_IOERR_NOMEM; - } - } -#else - p->rc = rename(zOal, zWal) ? SQLITE_IOERR : SQLITE_OK; -#endif + dbMain = rbuOpenDbhandle(p, p->zTarget, 1); + if( dbMain ){ + assert( p->rc==SQLITE_OK ); + p->rc = rbuLockDatabase(dbMain); + } - if( p->rc==SQLITE_OK ){ - rbuOpenDatabase(p, 0); - rbuSetupCheckpoint(p, 0); - } + if( p->rc==SQLITE_OK ){ + p->rc = p->xRename(p->pRenameArg, zOal, zWal); + } + + if( p->rc!=SQLITE_OK + || rbuIsVacuum(p) + || rbuExclusiveCheckpoint(dbMain)==0 + ){ + sqlite3_close(dbMain); + dbMain = 0; + } + + if( p->rc==SQLITE_OK ){ + rbuOpenDatabase(p, dbMain, 0); + rbuSetupCheckpoint(p, 0); } } @@ -199658,7 +216839,8 @@ static void rbuSetupOal(sqlite3rbu *p, RbuState *pState){ static void rbuDeleteOalFile(sqlite3rbu *p){ char *zOal = rbuMPrintf(p, "%s-oal", p->zTarget); if( zOal ){ - sqlite3_vfs *pVfs = sqlite3_vfs_find(0); + sqlite3_vfs *pVfs = 0; + sqlite3_file_control(p->dbMain, "main", SQLITE_FCNTL_VFS_POINTER, &pVfs); assert( pVfs && p->rc==SQLITE_OK && p->zErrmsg==0 ); pVfs->xDelete(pVfs, zOal, 0); sqlite3_free(zOal); @@ -199810,6 +216992,7 @@ static sqlite3rbu *openRbuHandle( /* Create the custom VFS. */ memset(p, 0, sizeof(sqlite3rbu)); + sqlite3rbu_rename_handler(p, 0, 0); rbuCreateVfs(p); /* Open the target, RBU and state databases */ @@ -199835,9 +217018,9 @@ static sqlite3rbu *openRbuHandle( ** If this is the case, it will have been checkpointed and deleted ** when the handle was closed and a second attempt to open the ** database may succeed. */ - rbuOpenDatabase(p, &bRetry); + rbuOpenDatabase(p, 0, &bRetry); if( bRetry ){ - rbuOpenDatabase(p, 0); + rbuOpenDatabase(p, 0, 0); } } @@ -199932,6 +217115,14 @@ static sqlite3rbu *openRbuHandle( }else if( p->eStage==RBU_STAGE_MOVE ){ /* no-op */ }else if( p->eStage==RBU_STAGE_CKPT ){ + if( !rbuIsVacuum(p) && rbuExclusiveCheckpoint(p->dbMain) ){ + /* If the rbu_exclusive_checkpoint=1 URI parameter was specified + ** and an incremental checkpoint is being resumed, attempt an + ** exclusive lock on the db file. If this fails, so be it. */ + p->eStage = RBU_STAGE_DONE; + rbuLockDatabase(p->dbMain); + p->eStage = RBU_STAGE_CKPT; + } rbuSetupCheckpoint(p, pState); }else if( p->eStage==RBU_STAGE_DONE ){ p->rc = SQLITE_DONE; @@ -199969,7 +217160,6 @@ SQLITE_API sqlite3rbu *sqlite3rbu_open( const char *zState ){ if( zTarget==0 || zRbu==0 ){ return rbuMisuseError(); } - /* TODO: Check that zTarget and zRbu are non-NULL */ return openRbuHandle(zTarget, zRbu, zState); } @@ -200194,6 +217384,54 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ return rc; } +/* +** Default xRename callback for RBU. +*/ +static int xDefaultRename(void *pArg, const char *zOld, const char *zNew){ + int rc = SQLITE_OK; +#if defined(_WIN32_WCE) + { + LPWSTR zWideOld; + LPWSTR zWideNew; + + zWideOld = rbuWinUtf8ToUnicode(zOld); + if( zWideOld ){ + zWideNew = rbuWinUtf8ToUnicode(zNew); + if( zWideNew ){ + if( MoveFileW(zWideOld, zWideNew) ){ + rc = SQLITE_OK; + }else{ + rc = SQLITE_IOERR; + } + sqlite3_free(zWideNew); + }else{ + rc = SQLITE_IOERR_NOMEM; + } + sqlite3_free(zWideOld); + }else{ + rc = SQLITE_IOERR_NOMEM; + } + } +#else + rc = rename(zOld, zNew) ? SQLITE_IOERR : SQLITE_OK; +#endif + return rc; +} + +SQLITE_API void sqlite3rbu_rename_handler( + sqlite3rbu *pRbu, + void *pArg, + int (*xRename)(void *pArg, const char *zOld, const char *zNew) +){ + if( xRename ){ + pRbu->xRename = xRename; + pRbu->pRenameArg = pArg; + }else{ + pRbu->xRename = xDefaultRename; + pRbu->pRenameArg = 0; + } +} + /************************************************************************** ** Beginning of RBU VFS shim methods. The VFS shim modifies the behaviour ** of a standard VFS in the following ways: @@ -200250,7 +217488,7 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ ** database file are recorded. xShmLock() calls to unlock the same ** locks are no-ops (so that once obtained, these locks are never ** relinquished). Finally, calls to xSync() on the target database -** file fail with SQLITE_INTERNAL errors. +** file fail with SQLITE_NOTICE errors. */ static void rbuUnlockShm(rbu_file *p){ @@ -200359,9 +217597,12 @@ static int rbuVfsClose(sqlite3_file *pFile){ sqlite3_free(p->zDel); if( p->openFlags & SQLITE_OPEN_MAIN_DB ){ + const sqlite3_io_methods *pMeth = p->pReal->pMethods; rbuMainlistRemove(p); rbuUnlockShm(p); - p->pReal->pMethods->xShmUnmap(p->pReal, 0); + if( pMeth->iVersion>1 && pMeth->xShmUnmap ){ + pMeth->xShmUnmap(p->pReal, 0); + } } else if( (p->openFlags & SQLITE_OPEN_DELETEONCLOSE) && p->pRbu ){ rbuUpdateTempSize(p, 0); @@ -200529,7 +217770,7 @@ static int rbuVfsSync(sqlite3_file *pFile, int flags){ rbu_file *p = (rbu_file *)pFile; if( p->pRbu && p->pRbu->eStage==RBU_STAGE_CAPTURE ){ if( p->openFlags & SQLITE_OPEN_MAIN_DB ){ - return SQLITE_INTERNAL; + return SQLITE_NOTICE_RBU; } return SQLITE_OK; } @@ -200680,22 +217921,24 @@ static int rbuVfsShmLock(sqlite3_file *pFile, int ofst, int n, int flags){ #endif assert( p->openFlags & (SQLITE_OPEN_MAIN_DB|SQLITE_OPEN_TEMP_DB) ); - if( pRbu && (pRbu->eStage==RBU_STAGE_OAL || pRbu->eStage==RBU_STAGE_MOVE) ){ - /* Magic number 1 is the WAL_CKPT_LOCK lock. Preventing SQLite from - ** taking this lock also prevents any checkpoints from occurring. - ** todo: really, it's not clear why this might occur, as - ** wal_autocheckpoint ought to be turned off. */ + if( pRbu && ( + pRbu->eStage==RBU_STAGE_OAL + || pRbu->eStage==RBU_STAGE_MOVE + || pRbu->eStage==RBU_STAGE_DONE + )){ + /* Prevent SQLite from taking a shm-lock on the target file when it + ** is supplying heap memory to the upper layer in place of *-shm + ** segments. */ if( ofst==WAL_LOCK_CKPT && n==1 ) rc = SQLITE_BUSY; }else{ int bCapture = 0; if( pRbu && pRbu->eStage==RBU_STAGE_CAPTURE ){ bCapture = 1; } - if( bCapture==0 || 0==(flags & SQLITE_SHM_UNLOCK) ){ rc = p->pReal->pMethods->xShmLock(p->pReal, ofst, n, flags); if( bCapture && rc==SQLITE_OK ){ - pRbu->mLock |= (1 << ofst); + pRbu->mLock |= ((1<pRealVfs; rbu_file *pFd = (rbu_file *)pFile; @@ -200842,28 +218104,14 @@ static int rbuVfsOpen( rbu_file *pDb = rbuFindMaindb(pRbuVfs, zName, 0); if( pDb ){ if( pDb->pRbu && pDb->pRbu->eStage==RBU_STAGE_OAL ){ - /* This call is to open a *-wal file. Intead, open the *-oal. This - ** code ensures that the string passed to xOpen() is terminated by a - ** pair of '\0' bytes in case the VFS attempts to extract a URI - ** parameter from it. */ - const char *zBase = zName; - size_t nCopy; - char *zCopy; + /* This call is to open a *-wal file. Intead, open the *-oal. */ + size_t nOpen; if( rbuIsVacuum(pDb->pRbu) ){ - zBase = sqlite3_db_filename(pDb->pRbu->dbRbu, "main"); - zBase = sqlite3_filename_wal(zBase); - } - nCopy = strlen(zBase); - zCopy = sqlite3_malloc64(nCopy+2); - if( zCopy ){ - memcpy(zCopy, zBase, nCopy); - zCopy[nCopy-3] = 'o'; - zCopy[nCopy] = '\0'; - zCopy[nCopy+1] = '\0'; - zOpen = (const char*)(pFd->zDel = zCopy); - }else{ - rc = SQLITE_NOMEM; + zOpen = sqlite3_db_filename(pDb->pRbu->dbRbu, "main"); + zOpen = sqlite3_filename_wal(zOpen); } + nOpen = strlen(zOpen); + ((char*)zOpen)[nOpen-3] = 'o'; pFd->pRbu = pDb->pRbu; } pDb->pWalFd = pFd; @@ -200886,10 +218134,15 @@ static int rbuVfsOpen( rc = pRealVfs->xOpen(pRealVfs, zOpen, pFd->pReal, oflags, pOutFlags); } if( pFd->pReal->pMethods ){ + const sqlite3_io_methods *pMeth = pFd->pReal->pMethods; /* The xOpen() operation has succeeded. Set the sqlite3_file.pMethods ** pointer and, if the file is a main database file, link it into the ** mutex protected linked list of all such files. */ - pFile->pMethods = &rbuvfs_io_methods; + if( pMeth->iVersion<2 || pMeth->xShmLock==0 ){ + pFile->pMethods = &rbuvfs_io_methods1; + }else{ + pFile->pMethods = &rbuvfs_io_methods; + } if( flags & SQLITE_OPEN_MAIN_DB ){ rbuMainlistAdd(pFd); } @@ -201184,6 +218437,15 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu *pRbu){ #if (defined(SQLITE_ENABLE_DBSTAT_VTAB) || defined(SQLITE_TEST)) \ && !defined(SQLITE_OMIT_VIRTUALTABLE) +/* +** The pager and btree modules arrange objects in memory so that there are +** always approximately 200 bytes of addressable memory following each page +** buffer. This way small buffer overreads caused by corrupt database pages +** do not cause undefined behaviour. This module pads each page buffer +** by the following number of bytes for the same purpose. +*/ +#define DBSTAT_PAGE_PADDING_BYTES 256 + /* ** Page paths: ** @@ -201251,9 +218513,8 @@ struct StatCell { /* Size information for a single btree page */ struct StatPage { u32 iPgno; /* Page number */ - DbPage *pPg; /* Page content */ + u8 *aPg; /* Page buffer from sqlite3_malloc() */ int iCell; /* Current cell */ - char *zPath; /* Path to this page */ /* Variables populated by statDecodePage(): */ @@ -201314,6 +218575,7 @@ static int statConnect( StatTable *pTab = 0; int rc = SQLITE_OK; int iDb; + (void)pAux; if( argc>=4 ){ Token nm; @@ -201367,6 +218629,7 @@ static int statBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int iSchema = -1; int iName = -1; int iAgg = -1; + (void)tab; /* Look for a valid schema=? constraint. If found, change the idxNum to ** 1 and request the value of that constraint be sent to xFilter. And @@ -201465,18 +218728,25 @@ static void statClearCells(StatPage *p){ } static void statClearPage(StatPage *p){ + u8 *aPg = p->aPg; statClearCells(p); - sqlite3PagerUnref(p->pPg); sqlite3_free(p->zPath); memset(p, 0, sizeof(StatPage)); + p->aPg = aPg; } static void statResetCsr(StatCursor *pCsr){ int i; - sqlite3_reset(pCsr->pStmt); + /* In some circumstances, specifically if an OOM has occurred, the call + ** to sqlite3_reset() may cause the pager to be reset (emptied). It is + ** important that statClearPage() is called to free any page refs before + ** this happens. dbsqlfuzz 9ed3e4e3816219d3509d711636c38542bf3f40b1. */ for(i=0; iaPage); i++){ statClearPage(&pCsr->aPage[i]); + sqlite3_free(pCsr->aPage[i].aPg); + pCsr->aPage[i].aPg = 0; } + sqlite3_reset(pCsr->pStmt); pCsr->iPage = 0; sqlite3_free(pCsr->zPath); pCsr->zPath = 0; @@ -201541,7 +218811,7 @@ static int statDecodePage(Btree *pBt, StatPage *p){ int isLeaf; int szPage; - u8 *aData = sqlite3PagerGetData(p->pPg); + u8 *aData = p->aPg; u8 *aHdr = &aData[p->iPgno==1 ? 100 : 0]; p->flags = aHdr[0]; @@ -201612,7 +218882,7 @@ static int statDecodePage(Btree *pBt, StatPage *p){ if( nPayload>(u32)nLocal ){ int j; int nOvfl = ((nPayload - nLocal) + nUsable-4 - 1) / (nUsable - 4); - if( iOff+nLocal>nUsable || nPayload>0x7fffffff ){ + if( iOff+nLocal+4>nUsable || nPayload>0x7fffffff ){ goto statPageIsCorrupt; } pCell->nLastOvfl = (nPayload-nLocal) - (nOvfl-1) * (nUsable-4); @@ -201671,6 +218941,38 @@ static void statSizeAndOffset(StatCursor *pCsr){ } } +/* +** Load a copy of the page data for page iPg into the buffer belonging +** to page object pPg. Allocate the buffer if necessary. Return SQLITE_OK +** if successful, or an SQLite error code otherwise. +*/ +static int statGetPage( + Btree *pBt, /* Load page from this b-tree */ + u32 iPg, /* Page number to load */ + StatPage *pPg /* Load page into this object */ +){ + int pgsz = sqlite3BtreeGetPageSize(pBt); + DbPage *pDbPage = 0; + int rc; + + if( pPg->aPg==0 ){ + pPg->aPg = (u8*)sqlite3_malloc(pgsz + DBSTAT_PAGE_PADDING_BYTES); + if( pPg->aPg==0 ){ + return SQLITE_NOMEM_BKPT; + } + memset(&pPg->aPg[pgsz], 0, DBSTAT_PAGE_PADDING_BYTES); + } + + rc = sqlite3PagerGet(sqlite3BtreePager(pBt), iPg, &pDbPage, 0); + if( rc==SQLITE_OK ){ + const u8 *a = sqlite3PagerGetData(pDbPage); + memcpy(pPg->aPg, a, pgsz); + sqlite3PagerUnref(pDbPage); + } + + return rc; +} + /* ** Move a DBSTAT cursor to the next entry. Normally, the next ** entry will be the next page, but in aggregated mode (pCsr->isAgg!=0), @@ -201689,7 +218991,7 @@ static int statNext(sqlite3_vtab_cursor *pCursor){ pCsr->zPath = 0; statNextRestart: - if( pCsr->aPage[0].pPg==0 ){ + if( pCsr->iPage<0 ){ /* Start measuring space on the next btree */ statResetCounts(pCsr); rc = sqlite3_step(pCsr->pStmt); @@ -201701,7 +219003,7 @@ static int statNext(sqlite3_vtab_cursor *pCursor){ pCsr->isEof = 1; return sqlite3_reset(pCsr->pStmt); } - rc = sqlite3PagerGet(pPager, iRoot, &pCsr->aPage[0].pPg, 0); + rc = statGetPage(pBt, iRoot, &pCsr->aPage[0]); pCsr->aPage[0].iPgno = iRoot; pCsr->aPage[0].iCell = 0; if( !pCsr->isAgg ){ @@ -201752,9 +219054,8 @@ static int statNext(sqlite3_vtab_cursor *pCursor){ if( !p->iRightChildPg || p->iCell>p->nCell ){ statClearPage(p); - if( pCsr->iPage>0 ){ - pCsr->iPage--; - }else if( pCsr->isAgg ){ + pCsr->iPage--; + if( pCsr->isAgg && pCsr->iPage<0 ){ /* label-statNext-done: When computing aggregate space usage over ** an entire btree, this is the exit point from this function */ return SQLITE_OK; @@ -201773,7 +219074,7 @@ static int statNext(sqlite3_vtab_cursor *pCursor){ }else{ p[1].iPgno = p->aCell[p->iCell].iChildPg; } - rc = sqlite3PagerGet(pPager, p[1].iPgno, &p[1].pPg, 0); + rc = statGetPage(pBt, p[1].iPgno, &p[1]); pCsr->nPage++; p[1].iCell = 0; if( !pCsr->isAgg ){ @@ -201854,6 +219155,8 @@ static int statFilter( int iArg = 0; /* Count of argv[] parameters used so far */ int rc = SQLITE_OK; /* Result of this operation */ const char *zName = 0; /* Only provide analysis of this table */ + (void)argc; + (void)idxStr; statResetCsr(pCsr); sqlite3_finalize(pCsr->pStmt); @@ -201903,6 +219206,7 @@ static int statFilter( } if( rc==SQLITE_OK ){ + pCsr->iPage = -1; rc = statNext(pCursor); } return rc; @@ -201936,16 +219240,16 @@ static int statColumn( } break; case 4: /* ncell */ - sqlite3_result_int(ctx, pCsr->nCell); + sqlite3_result_int64(ctx, pCsr->nCell); break; case 5: /* payload */ - sqlite3_result_int(ctx, pCsr->nPayload); + sqlite3_result_int64(ctx, pCsr->nPayload); break; case 6: /* unused */ - sqlite3_result_int(ctx, pCsr->nUnused); + sqlite3_result_int64(ctx, pCsr->nUnused); break; case 7: /* mx_payload */ - sqlite3_result_int(ctx, pCsr->nMxPayload); + sqlite3_result_int64(ctx, pCsr->nMxPayload); break; case 8: /* pgoffset */ if( !pCsr->isAgg ){ @@ -201953,7 +219257,7 @@ static int statColumn( } break; case 9: /* pgsize */ - sqlite3_result_int(ctx, pCsr->szPage); + sqlite3_result_int64(ctx, pCsr->szPage); break; case 10: { /* schema */ sqlite3 *db = sqlite3_context_db_handle(ctx); @@ -202087,8 +219391,13 @@ static int dbpageConnect( ){ DbpageTable *pTab = 0; int rc = SQLITE_OK; + (void)pAux; + (void)argc; + (void)argv; + (void)pzErr; sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); + sqlite3_vtab_config(db, SQLITE_VTAB_USES_ALL_SCHEMAS); rc = sqlite3_declare_vtab(db, "CREATE TABLE x(pgno INTEGER PRIMARY KEY, data BLOB, schema HIDDEN)"); if( rc==SQLITE_OK ){ @@ -202125,6 +219434,7 @@ static int dbpageDisconnect(sqlite3_vtab *pVtab){ static int dbpageBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int i; int iPlan = 0; + (void)tab; /* If there is a schema= constraint, it must be honored. Report a ** ridiculously large estimated cost if the schema= constraint is @@ -202239,6 +219549,8 @@ static int dbpageFilter( sqlite3 *db = pTab->db; Btree *pBt; + (void)idxStr; + /* Default setting is no rows of result */ pCsr->pgno = 1; pCsr->mxPgno = 0; @@ -202253,7 +219565,7 @@ static int dbpageFilter( pCsr->iDb = 0; } pBt = db->aDb[pCsr->iDb].pBt; - if( pBt==0 ) return SQLITE_OK; + if( NEVER(pBt==0) ) return SQLITE_OK; pCsr->pPager = sqlite3BtreePager(pBt); pCsr->szPage = sqlite3BtreeGetPageSize(pBt); pCsr->mxPgno = sqlite3BtreeLastPage(pBt); @@ -202288,12 +219600,18 @@ static int dbpageColumn( } case 1: { /* data */ DbPage *pDbPage = 0; - rc = sqlite3PagerGet(pCsr->pPager, pCsr->pgno, (DbPage**)&pDbPage, 0); - if( rc==SQLITE_OK ){ - sqlite3_result_blob(ctx, sqlite3PagerGetData(pDbPage), pCsr->szPage, - SQLITE_TRANSIENT); + if( pCsr->pgno==((PENDING_BYTE/pCsr->szPage)+1) ){ + /* The pending byte page. Assume it is zeroed out. Attempting to + ** request this page from the page is an SQLITE_CORRUPT error. */ + sqlite3_result_zeroblob(ctx, pCsr->szPage); + }else{ + rc = sqlite3PagerGet(pCsr->pPager, pCsr->pgno, (DbPage**)&pDbPage, 0); + if( rc==SQLITE_OK ){ + sqlite3_result_blob(ctx, sqlite3PagerGetData(pDbPage), pCsr->szPage, + SQLITE_TRANSIENT); + } + sqlite3PagerUnref(pDbPage); } - sqlite3PagerUnref(pDbPage); break; } default: { /* schema */ @@ -202302,7 +219620,7 @@ static int dbpageColumn( break; } } - return SQLITE_OK; + return rc; } static int dbpageRowid(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){ @@ -202328,6 +219646,7 @@ static int dbpageUpdate( Pager *pPager; int szPage; + (void)pRowid; if( pTab->db->flags & SQLITE_Defensive ){ zErr = "read-only"; goto update_fail; @@ -202337,18 +219656,20 @@ static int dbpageUpdate( goto update_fail; } pgno = sqlite3_value_int(argv[0]); - if( (Pgno)sqlite3_value_int(argv[1])!=pgno ){ + if( sqlite3_value_type(argv[0])==SQLITE_NULL + || (Pgno)sqlite3_value_int(argv[1])!=pgno + ){ zErr = "cannot insert"; goto update_fail; } zSchema = (const char*)sqlite3_value_text(argv[4]); - iDb = zSchema ? sqlite3FindDbName(pTab->db, zSchema) : -1; - if( iDb<0 ){ + iDb = ALWAYS(zSchema) ? sqlite3FindDbName(pTab->db, zSchema) : -1; + if( NEVER(iDb<0) ){ zErr = "no such schema"; goto update_fail; } pBt = pTab->db->aDb[iDb].pBt; - if( pgno<1 || pBt==0 || pgno>(int)sqlite3BtreeLastPage(pBt) ){ + if( NEVER(pgno<1) || NEVER(pBt==0) || NEVER(pgno>sqlite3BtreeLastPage(pBt)) ){ zErr = "bad page number"; goto update_fail; } @@ -202362,11 +219683,12 @@ static int dbpageUpdate( pPager = sqlite3BtreePager(pBt); rc = sqlite3PagerGet(pPager, pgno, (DbPage**)&pDbPage, 0); if( rc==SQLITE_OK ){ - rc = sqlite3PagerWrite(pDbPage); - if( rc==SQLITE_OK ){ - memcpy(sqlite3PagerGetData(pDbPage), - sqlite3_value_blob(argv[3]), - szPage); + const void *pData = sqlite3_value_blob(argv[3]); + assert( pData!=0 || pTab->db->mallocFailed ); + if( pData + && (rc = sqlite3PagerWrite(pDbPage))==SQLITE_OK + ){ + memcpy(sqlite3PagerGetData(pDbPage), pData, szPage); } } sqlite3PagerUnref(pDbPage); @@ -202388,7 +219710,7 @@ static int dbpageBegin(sqlite3_vtab *pVtab){ int i; for(i=0; inDb; i++){ Btree *pBt = db->aDb[i].pBt; - if( pBt ) sqlite3BtreeBeginTrans(pBt, 1, 0); + if( pBt ) (void)sqlite3BtreeBeginTrans(pBt, 1, 0); } return SQLITE_OK; } @@ -202459,6 +219781,8 @@ typedef struct SessionInput SessionInput; # endif #endif +#define SESSIONS_ROWID "_rowid_" + static int sessions_strm_chunk_size = SESSIONS_STRM_CHUNK_SIZE; typedef struct SessionHook SessionHook; @@ -202476,12 +219800,16 @@ struct SessionHook { struct sqlite3_session { sqlite3 *db; /* Database handle session is attached to */ char *zDb; /* Name of database session is attached to */ + int bEnableSize; /* True if changeset_size() enabled */ int bEnable; /* True if currently recording */ int bIndirect; /* True if all changes are indirect */ int bAutoAttach; /* True to auto-attach tables */ + int bImplicitPK; /* True to handle tables with implicit PK */ int rc; /* Non-zero if an error has occurred */ void *pFilterCtx; /* First argument to pass to xTableFilter */ int (*xTableFilter)(void *pCtx, const char *zTab); + i64 nMalloc; /* Number of bytes of data allocated */ + i64 nMaxChangesetSize; sqlite3_value *pZeroBlob; /* Value containing X'' */ sqlite3_session *pNext; /* Next session object on same db. */ SessionTable *pTable; /* List of attached tables */ @@ -202524,6 +219852,7 @@ struct sqlite3_changeset_iter { SessionBuffer tblhdr; /* Buffer to hold apValue/zTab/abPK/ */ int bPatchset; /* True if this is a patchset */ int bInvert; /* True to invert changeset */ + int bSkipEmpty; /* Skip noop UPDATE changes */ int rc; /* Iterator error code */ sqlite3_stmt *pConflict; /* Points to conflicting row, if any */ char *zTab; /* Current table */ @@ -202552,6 +219881,7 @@ struct SessionTable { char *zName; /* Local name of table */ int nCol; /* Number of columns in table zName */ int bStat1; /* True if this is sqlite_stat1 */ + int bRowid; /* True if this table uses rowid for PK */ const char **azCol; /* Column names */ u8 *abPK; /* Array of primary key flags */ int nEntry; /* Total number of entries in hash table */ @@ -202723,8 +220053,9 @@ struct SessionTable { ** this structure stored in a SessionTable.aChange[] hash table. */ struct SessionChange { - int op; /* One of UPDATE, DELETE, INSERT */ - int bIndirect; /* True if this change is "indirect" */ + u8 op; /* One of UPDATE, DELETE, INSERT */ + u8 bIndirect; /* True if this change is "indirect" */ + int nMaxSize; /* Max size of eventual changeset record */ int nRecord; /* Number of bytes in buffer aRecord[] */ u8 *aRecord; /* Buffer containing old.* record */ SessionChange *pNext; /* For hash-table collisions */ @@ -202849,7 +220180,7 @@ static int sessionSerializeValue( if( aBuf ){ sessionVarintPut(&aBuf[1], n); - if( n ) memcpy(&aBuf[nVarint + 1], z, n); + if( n>0 ) memcpy(&aBuf[nVarint + 1], z, n); } nByte = 1 + nVarint + n; @@ -202865,6 +220196,26 @@ static int sessionSerializeValue( return SQLITE_OK; } +/* +** Allocate and return a pointer to a buffer nByte bytes in size. If +** pSession is not NULL, increase the sqlite3_session.nMalloc variable +** by the number of bytes allocated. +*/ +static void *sessionMalloc64(sqlite3_session *pSession, i64 nByte){ + void *pRet = sqlite3_malloc64(nByte); + if( pSession ) pSession->nMalloc += sqlite3_msize(pRet); + return pRet; +} + +/* +** Free buffer pFree, which must have been allocated by an earlier +** call to sessionMalloc64(). If pSession is not NULL, decrease the +** sqlite3_session.nMalloc counter by the number of bytes freed. +*/ +static void sessionFree(sqlite3_session *pSession, void *pFree){ + if( pSession ) pSession->nMalloc -= sqlite3_msize(pFree); + sqlite3_free(pFree); +} /* ** This macro is used to calculate hash key values for data structures. In @@ -202923,6 +220274,7 @@ static unsigned int sessionHashAppendType(unsigned int h, int eType){ */ static int sessionPreupdateHash( sqlite3_session *pSession, /* Session object that owns pTab */ + i64 iRowid, SessionTable *pTab, /* Session table handle */ int bNew, /* True to hash the new.* PK */ int *piHash, /* OUT: Hash value */ @@ -202931,48 +220283,53 @@ static int sessionPreupdateHash( unsigned int h = 0; /* Hash value to return */ int i; /* Used to iterate through columns */ - assert( *pbNullPK==0 ); - assert( pTab->nCol==pSession->hook.xCount(pSession->hook.pCtx) ); - for(i=0; inCol; i++){ - if( pTab->abPK[i] ){ - int rc; - int eType; - sqlite3_value *pVal; - - if( bNew ){ - rc = pSession->hook.xNew(pSession->hook.pCtx, i, &pVal); - }else{ - rc = pSession->hook.xOld(pSession->hook.pCtx, i, &pVal); - } - if( rc!=SQLITE_OK ) return rc; + if( pTab->bRowid ){ + assert( pTab->nCol-1==pSession->hook.xCount(pSession->hook.pCtx) ); + h = sessionHashAppendI64(h, iRowid); + }else{ + assert( *pbNullPK==0 ); + assert( pTab->nCol==pSession->hook.xCount(pSession->hook.pCtx) ); + for(i=0; inCol; i++){ + if( pTab->abPK[i] ){ + int rc; + int eType; + sqlite3_value *pVal; - eType = sqlite3_value_type(pVal); - h = sessionHashAppendType(h, eType); - if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ - i64 iVal; - if( eType==SQLITE_INTEGER ){ - iVal = sqlite3_value_int64(pVal); + if( bNew ){ + rc = pSession->hook.xNew(pSession->hook.pCtx, i, &pVal); }else{ - double rVal = sqlite3_value_double(pVal); - assert( sizeof(iVal)==8 && sizeof(rVal)==8 ); - memcpy(&iVal, &rVal, 8); + rc = pSession->hook.xOld(pSession->hook.pCtx, i, &pVal); } - h = sessionHashAppendI64(h, iVal); - }else if( eType==SQLITE_TEXT || eType==SQLITE_BLOB ){ - const u8 *z; - int n; - if( eType==SQLITE_TEXT ){ - z = (const u8 *)sqlite3_value_text(pVal); + if( rc!=SQLITE_OK ) return rc; + + eType = sqlite3_value_type(pVal); + h = sessionHashAppendType(h, eType); + if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ + i64 iVal; + if( eType==SQLITE_INTEGER ){ + iVal = sqlite3_value_int64(pVal); + }else{ + double rVal = sqlite3_value_double(pVal); + assert( sizeof(iVal)==8 && sizeof(rVal)==8 ); + memcpy(&iVal, &rVal, 8); + } + h = sessionHashAppendI64(h, iVal); + }else if( eType==SQLITE_TEXT || eType==SQLITE_BLOB ){ + const u8 *z; + int n; + if( eType==SQLITE_TEXT ){ + z = (const u8 *)sqlite3_value_text(pVal); + }else{ + z = (const u8 *)sqlite3_value_blob(pVal); + } + n = sqlite3_value_bytes(pVal); + if( !z && (eType!=SQLITE_BLOB || n>0) ) return SQLITE_NOMEM; + h = sessionHashAppendBlob(h, n, z); }else{ - z = (const u8 *)sqlite3_value_blob(pVal); + assert( eType==SQLITE_NULL ); + assert( pTab->bStat1==0 || i!=1 ); + *pbNullPK = 1; } - n = sqlite3_value_bytes(pVal); - if( !z && (eType!=SQLITE_BLOB || n>0) ) return SQLITE_NOMEM; - h = sessionHashAppendBlob(h, n, z); - }else{ - assert( eType==SQLITE_NULL ); - assert( pTab->bStat1==0 || i!=1 ); - *pbNullPK = 1; } } } @@ -203255,6 +220612,7 @@ static int sessionMergeUpdate( */ static int sessionPreupdateEqual( sqlite3_session *pSession, /* Session object that owns SessionTable */ + i64 iRowid, /* Rowid value if pTab->bRowid */ SessionTable *pTab, /* Table associated with change */ SessionChange *pChange, /* Change to compare to */ int op /* Current pre-update operation */ @@ -203262,6 +220620,11 @@ static int sessionPreupdateEqual( int iCol; /* Used to iterate through columns */ u8 *a = pChange->aRecord; /* Cursor used to scan change record */ + if( pTab->bRowid ){ + if( a[0]!=SQLITE_INTEGER ) return 0; + return sessionGetI64(&a[1])==iRowid; + } + assert( op==SQLITE_INSERT || op==SQLITE_UPDATE || op==SQLITE_DELETE ); for(iCol=0; iColnCol; iCol++){ if( !pTab->abPK[iCol] ){ @@ -203284,6 +220647,7 @@ static int sessionPreupdateEqual( rc = pSession->hook.xOld(pSession->hook.pCtx, iCol, &pVal); } assert( rc==SQLITE_OK ); + (void)rc; /* Suppress warning about unused variable */ if( sqlite3_value_type(pVal)!=eType ) return 0; /* A SessionChange object never has a NULL value in a PK column */ @@ -203332,13 +220696,19 @@ static int sessionPreupdateEqual( ** Growing the hash table in this case is a performance optimization only, ** it is not required for correct operation. */ -static int sessionGrowHash(int bPatchset, SessionTable *pTab){ +static int sessionGrowHash( + sqlite3_session *pSession, /* For memory accounting. May be NULL */ + int bPatchset, + SessionTable *pTab +){ if( pTab->nChange==0 || pTab->nEntry>=(pTab->nChange/2) ){ int i; SessionChange **apNew; sqlite3_int64 nNew = 2*(sqlite3_int64)(pTab->nChange ? pTab->nChange : 128); - apNew = (SessionChange **)sqlite3_malloc64(sizeof(SessionChange *) * nNew); + apNew = (SessionChange**)sessionMalloc64( + pSession, sizeof(SessionChange*) * nNew + ); if( apNew==0 ){ if( pTab->nChange==0 ){ return SQLITE_ERROR; @@ -203359,7 +220729,7 @@ static int sessionGrowHash(int bPatchset, SessionTable *pTab){ } } - sqlite3_free(pTab->apChange); + sessionFree(pSession, pTab->apChange); pTab->nChange = nNew; pTab->apChange = apNew; } @@ -203393,13 +220763,15 @@ static int sessionGrowHash(int bPatchset, SessionTable *pTab){ ** be freed using sqlite3_free() by the caller */ static int sessionTableInfo( + sqlite3_session *pSession, /* For memory accounting. May be NULL */ sqlite3 *db, /* Database connection */ const char *zDb, /* Name of attached database (e.g. "main") */ const char *zThis, /* Table name */ int *pnCol, /* OUT: number of columns */ const char **pzTab, /* OUT: Copy of zThis */ const char ***pazCol, /* OUT: Array of column names for table */ - u8 **pabPK /* OUT: Array of booleans - true for PK col */ + u8 **pabPK, /* OUT: Array of booleans - true for PK col */ + int *pbRowid /* OUT: True if only PK is a rowid */ ){ char *zPragma; sqlite3_stmt *pStmt; @@ -203411,6 +220783,7 @@ static int sessionTableInfo( u8 *pAlloc = 0; char **azCol = 0; u8 *abPK = 0; + int bRowid = 0; /* Set to true to use rowid as PK */ assert( pazCol && pabPK ); @@ -203427,27 +220800,48 @@ static int sessionTableInfo( }else if( rc==SQLITE_ERROR ){ zPragma = sqlite3_mprintf(""); }else{ + *pazCol = 0; + *pabPK = 0; + *pnCol = 0; + if( pzTab ) *pzTab = 0; return rc; } }else{ zPragma = sqlite3_mprintf("PRAGMA '%q'.table_info('%q')", zDb, zThis); } - if( !zPragma ) return SQLITE_NOMEM; + if( !zPragma ){ + *pazCol = 0; + *pabPK = 0; + *pnCol = 0; + if( pzTab ) *pzTab = 0; + return SQLITE_NOMEM; + } rc = sqlite3_prepare_v2(db, zPragma, -1, &pStmt, 0); sqlite3_free(zPragma); - if( rc!=SQLITE_OK ) return rc; + if( rc!=SQLITE_OK ){ + *pazCol = 0; + *pabPK = 0; + *pnCol = 0; + if( pzTab ) *pzTab = 0; + return rc; + } nByte = nThis + 1; + bRowid = (pbRowid!=0); while( SQLITE_ROW==sqlite3_step(pStmt) ){ nByte += sqlite3_column_bytes(pStmt, 1); nDbCol++; + if( sqlite3_column_int(pStmt, 5) ) bRowid = 0; } + if( nDbCol==0 ) bRowid = 0; + nDbCol += bRowid; + nByte += strlen(SESSIONS_ROWID); rc = sqlite3_reset(pStmt); if( rc==SQLITE_OK ){ nByte += nDbCol * (sizeof(const char *) + sizeof(u8) + 1); - pAlloc = sqlite3_malloc64(nByte); + pAlloc = sessionMalloc64(pSession, nByte); if( pAlloc==0 ){ rc = SQLITE_NOMEM; } @@ -203464,6 +220858,14 @@ static int sessionTableInfo( } i = 0; + if( bRowid ){ + size_t nName = strlen(SESSIONS_ROWID); + memcpy(pAlloc, SESSIONS_ROWID, nName+1); + azCol[i] = (char*)pAlloc; + pAlloc += nName+1; + abPK[i] = 1; + i++; + } while( SQLITE_ROW==sqlite3_step(pStmt) ){ int nName = sqlite3_column_bytes(pStmt, 1); const unsigned char *zName = sqlite3_column_text(pStmt, 1); @@ -203475,7 +220877,6 @@ static int sessionTableInfo( i++; } rc = sqlite3_reset(pStmt); - } /* If successful, populate the output variables. Otherwise, zero them and @@ -203490,8 +220891,9 @@ static int sessionTableInfo( *pabPK = 0; *pnCol = 0; if( pzTab ) *pzTab = 0; - sqlite3_free(azCol); + sessionFree(pSession, azCol); } + if( pbRowid ) *pbRowid = bRowid; sqlite3_finalize(pStmt); return rc; } @@ -203512,8 +220914,9 @@ static int sessionInitTable(sqlite3_session *pSession, SessionTable *pTab){ if( pTab->nCol==0 ){ u8 *abPK; assert( pTab->azCol==0 || pTab->abPK==0 ); - pSession->rc = sessionTableInfo(pSession->db, pSession->zDb, - pTab->zName, &pTab->nCol, 0, &pTab->azCol, &abPK + pSession->rc = sessionTableInfo(pSession, pSession->db, pSession->zDb, + pTab->zName, &pTab->nCol, 0, &pTab->azCol, &abPK, + (pSession->bImplicitPK ? &pTab->bRowid : 0) ); if( pSession->rc==SQLITE_OK ){ int i; @@ -203526,6 +220929,12 @@ static int sessionInitTable(sqlite3_session *pSession, SessionTable *pTab){ if( 0==sqlite3_stricmp("sqlite_stat1", pTab->zName) ){ pTab->bStat1 = 1; } + + if( pSession->bEnableSize ){ + pSession->nMaxChangesetSize += ( + 1 + sessionVarintLen(pTab->nCol) + pTab->nCol + strlen(pTab->zName)+1 + ); + } } } return (pSession->rc || pTab->abPK==0); @@ -203571,6 +220980,108 @@ static int sessionStat1Depth(void *pCtx){ return p->hook.xDepth(p->hook.pCtx); } +static int sessionUpdateMaxSize( + int op, + sqlite3_session *pSession, /* Session object pTab is attached to */ + SessionTable *pTab, /* Table that change applies to */ + SessionChange *pC /* Update pC->nMaxSize */ +){ + i64 nNew = 2; + if( pC->op==SQLITE_INSERT ){ + if( pTab->bRowid ) nNew += 9; + if( op!=SQLITE_DELETE ){ + int ii; + for(ii=0; iinCol; ii++){ + sqlite3_value *p = 0; + pSession->hook.xNew(pSession->hook.pCtx, ii, &p); + sessionSerializeValue(0, p, &nNew); + } + } + }else if( op==SQLITE_DELETE ){ + nNew += pC->nRecord; + if( sqlite3_preupdate_blobwrite(pSession->db)>=0 ){ + nNew += pC->nRecord; + } + }else{ + int ii; + u8 *pCsr = pC->aRecord; + if( pTab->bRowid ){ + nNew += 9 + 1; + pCsr += 9; + } + for(ii=pTab->bRowid; iinCol; ii++){ + int bChanged = 1; + int nOld = 0; + int eType; + sqlite3_value *p = 0; + pSession->hook.xNew(pSession->hook.pCtx, ii-pTab->bRowid, &p); + if( p==0 ){ + return SQLITE_NOMEM; + } + + eType = *pCsr++; + switch( eType ){ + case SQLITE_NULL: + bChanged = sqlite3_value_type(p)!=SQLITE_NULL; + break; + + case SQLITE_FLOAT: + case SQLITE_INTEGER: { + if( eType==sqlite3_value_type(p) ){ + sqlite3_int64 iVal = sessionGetI64(pCsr); + if( eType==SQLITE_INTEGER ){ + bChanged = (iVal!=sqlite3_value_int64(p)); + }else{ + double dVal; + memcpy(&dVal, &iVal, 8); + bChanged = (dVal!=sqlite3_value_double(p)); + } + } + nOld = 8; + pCsr += 8; + break; + } + + default: { + int nByte; + nOld = sessionVarintGet(pCsr, &nByte); + pCsr += nOld; + nOld += nByte; + assert( eType==SQLITE_TEXT || eType==SQLITE_BLOB ); + if( eType==sqlite3_value_type(p) + && nByte==sqlite3_value_bytes(p) + && (nByte==0 || 0==memcmp(pCsr, sqlite3_value_blob(p), nByte)) + ){ + bChanged = 0; + } + pCsr += nByte; + break; + } + } + + if( bChanged && pTab->abPK[ii] ){ + nNew = pC->nRecord + 2; + break; + } + + if( bChanged ){ + nNew += 1 + nOld; + sessionSerializeValue(0, p, &nNew); + }else if( pTab->abPK[ii] ){ + nNew += 2 + nOld; + }else{ + nNew += 2; + } + } + } + + if( nNew>pC->nMaxSize ){ + int nIncr = nNew - pC->nMaxSize; + pC->nMaxSize = nNew; + pSession->nMaxChangesetSize += nIncr; + } + return SQLITE_OK; +} /* ** This function is only called from with a pre-update-hook reporting a @@ -203582,6 +221093,7 @@ static int sessionStat1Depth(void *pCtx){ */ static void sessionPreupdateOneChange( int op, /* One of SQLITE_UPDATE, INSERT, DELETE */ + i64 iRowid, sqlite3_session *pSession, /* Session object pTab is attached to */ SessionTable *pTab /* Table that change applies to */ ){ @@ -203597,13 +221109,13 @@ static void sessionPreupdateOneChange( /* Check the number of columns in this xPreUpdate call matches the ** number of columns in the table. */ - if( pTab->nCol!=pSession->hook.xCount(pSession->hook.pCtx) ){ + if( (pTab->nCol-pTab->bRowid)!=pSession->hook.xCount(pSession->hook.pCtx) ){ pSession->rc = SQLITE_SCHEMA; return; } /* Grow the hash table if required */ - if( sessionGrowHash(0, pTab) ){ + if( sessionGrowHash(pSession, 0, pTab) ){ pSession->rc = SQLITE_NOMEM; return; } @@ -203630,21 +221142,22 @@ static void sessionPreupdateOneChange( /* Calculate the hash-key for this change. If the primary key of the row ** includes a NULL value, exit early. Such changes are ignored by the ** session module. */ - rc = sessionPreupdateHash(pSession, pTab, op==SQLITE_INSERT, &iHash, &bNull); + rc = sessionPreupdateHash( + pSession, iRowid, pTab, op==SQLITE_INSERT, &iHash, &bNull + ); if( rc!=SQLITE_OK ) goto error_out; if( bNull==0 ){ /* Search the hash table for an existing record for this row. */ SessionChange *pC; for(pC=pTab->apChange[iHash]; pC; pC=pC->pNext){ - if( sessionPreupdateEqual(pSession, pTab, pC, op) ) break; + if( sessionPreupdateEqual(pSession, iRowid, pTab, pC, op) ) break; } if( pC==0 ){ /* Create a new change object containing all the old values (if ** this is an SQLITE_UPDATE or SQLITE_DELETE), or just the PK ** values (if this is an INSERT). */ - SessionChange *pChange; /* New change object */ sqlite3_int64 nByte; /* Number of bytes to allocate */ int i; /* Used to iterate through columns */ @@ -203653,7 +221166,7 @@ static void sessionPreupdateOneChange( /* Figure out how large an allocation is required */ nByte = sizeof(SessionChange); - for(i=0; inCol; i++){ + for(i=0; i<(pTab->nCol-pTab->bRowid); i++){ sqlite3_value *p = 0; if( op!=SQLITE_INSERT ){ TESTONLY(int trc = ) pSession->hook.xOld(pSession->hook.pCtx, i, &p); @@ -203668,15 +221181,18 @@ static void sessionPreupdateOneChange( rc = sessionSerializeValue(0, p, &nByte); if( rc!=SQLITE_OK ) goto error_out; } + if( pTab->bRowid ){ + nByte += 9; /* Size of rowid field - an integer */ + } /* Allocate the change object */ - pChange = (SessionChange *)sqlite3_malloc64(nByte); - if( !pChange ){ + pC = (SessionChange *)sessionMalloc64(pSession, nByte); + if( !pC ){ rc = SQLITE_NOMEM; goto error_out; }else{ - memset(pChange, 0, sizeof(SessionChange)); - pChange->aRecord = (u8 *)&pChange[1]; + memset(pC, 0, sizeof(SessionChange)); + pC->aRecord = (u8 *)&pC[1]; } /* Populate the change object. None of the preupdate_old(), @@ -203684,24 +221200,29 @@ static void sessionPreupdateOneChange( ** required values and encodings have already been cached in memory. ** It is not possible for an OOM to occur in this block. */ nByte = 0; - for(i=0; inCol; i++){ + if( pTab->bRowid ){ + pC->aRecord[0] = SQLITE_INTEGER; + sessionPutI64(&pC->aRecord[1], iRowid); + nByte = 9; + } + for(i=0; i<(pTab->nCol-pTab->bRowid); i++){ sqlite3_value *p = 0; if( op!=SQLITE_INSERT ){ pSession->hook.xOld(pSession->hook.pCtx, i, &p); }else if( pTab->abPK[i] ){ pSession->hook.xNew(pSession->hook.pCtx, i, &p); } - sessionSerializeValue(&pChange->aRecord[nByte], p, &nByte); + sessionSerializeValue(&pC->aRecord[nByte], p, &nByte); } /* Add the change to the hash-table */ if( pSession->bIndirect || pSession->hook.xDepth(pSession->hook.pCtx) ){ - pChange->bIndirect = 1; + pC->bIndirect = 1; } - pChange->nRecord = nByte; - pChange->op = op; - pChange->pNext = pTab->apChange[iHash]; - pTab->apChange[iHash] = pChange; + pC->nRecord = nByte; + pC->op = op; + pC->pNext = pTab->apChange[iHash]; + pTab->apChange[iHash] = pC; }else if( pC->bIndirect ){ /* If the existing change is considered "indirect", but this current @@ -203712,8 +221233,14 @@ static void sessionPreupdateOneChange( pC->bIndirect = 0; } } + + assert( rc==SQLITE_OK ); + if( pSession->bEnableSize ){ + rc = sessionUpdateMaxSize(op, pSession, pTab, pC); + } } + /* If an error has occurred, mark the session object as failed. */ error_out: if( pTab->bStat1 ){ @@ -203746,7 +221273,11 @@ static int sessionFindTable( ){ rc = sqlite3session_attach(pSession, zName); if( rc==SQLITE_OK ){ - for(pRet=pSession->pTable; pRet->pNext; pRet=pRet->pNext); + pRet = pSession->pTable; + while( ALWAYS(pRet) && pRet->pNext ){ + pRet = pRet->pNext; + } + assert( pRet!=0 ); assert( 0==sqlite3_strnicmp(pRet->zName, zName, nName+1) ); } } @@ -203773,6 +221304,8 @@ static void xPreUpdate( int nDb = sqlite3Strlen30(zDb); assert( sqlite3_mutex_held(db->mutex) ); + (void)iKey1; + (void)iKey2; for(pSession=(sqlite3_session *)pCtx; pSession; pSession=pSession->pNext){ SessionTable *pTab; @@ -203787,9 +221320,10 @@ static void xPreUpdate( pSession->rc = sessionFindTable(pSession, zName, &pTab); if( pTab ){ assert( pSession->rc==SQLITE_OK ); - sessionPreupdateOneChange(op, pSession, pTab); + assert( op==SQLITE_UPDATE || iKey1==iKey2 ); + sessionPreupdateOneChange(op, iKey1, pSession, pTab); if( op==SQLITE_UPDATE ){ - sessionPreupdateOneChange(SQLITE_INSERT, pSession, pTab); + sessionPreupdateOneChange(SQLITE_INSERT, iKey2, pSession, pTab); } } } @@ -203828,6 +221362,7 @@ static void sessionPreupdateHooks( typedef struct SessionDiffCtx SessionDiffCtx; struct SessionDiffCtx { sqlite3_stmt *pStmt; + int bRowid; int nOldOff; }; @@ -203836,19 +221371,20 @@ struct SessionDiffCtx { */ static int sessionDiffOld(void *pCtx, int iVal, sqlite3_value **ppVal){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - *ppVal = sqlite3_column_value(p->pStmt, iVal+p->nOldOff); + *ppVal = sqlite3_column_value(p->pStmt, iVal+p->nOldOff+p->bRowid); return SQLITE_OK; } static int sessionDiffNew(void *pCtx, int iVal, sqlite3_value **ppVal){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - *ppVal = sqlite3_column_value(p->pStmt, iVal); + *ppVal = sqlite3_column_value(p->pStmt, iVal+p->bRowid); return SQLITE_OK; } static int sessionDiffCount(void *pCtx){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - return p->nOldOff ? p->nOldOff : sqlite3_column_count(p->pStmt); + return (p->nOldOff ? p->nOldOff : sqlite3_column_count(p->pStmt)) - p->bRowid; } static int sessionDiffDepth(void *pCtx){ + (void)pCtx; return 0; } @@ -203922,17 +221458,18 @@ static char *sessionExprCompareOther( } static char *sessionSelectFindNew( - int nCol, const char *zDb1, /* Pick rows in this db only */ const char *zDb2, /* But not in this one */ + int bRowid, const char *zTbl, /* Table name */ const char *zExpr ){ + const char *zSel = (bRowid ? SESSIONS_ROWID ", *" : "*"); char *zRet = sqlite3_mprintf( - "SELECT * FROM \"%w\".\"%w\" WHERE NOT EXISTS (" + "SELECT %s FROM \"%w\".\"%w\" WHERE NOT EXISTS (" " SELECT 1 FROM \"%w\".\"%w\" WHERE %s" ")", - zDb1, zTbl, zDb2, zTbl, zExpr + zSel, zDb1, zTbl, zDb2, zTbl, zExpr ); return zRet; } @@ -203946,7 +221483,9 @@ static int sessionDiffFindNew( char *zExpr ){ int rc = SQLITE_OK; - char *zStmt = sessionSelectFindNew(pTab->nCol, zDb1, zDb2, pTab->zName,zExpr); + char *zStmt = sessionSelectFindNew( + zDb1, zDb2, pTab->bRowid, pTab->zName, zExpr + ); if( zStmt==0 ){ rc = SQLITE_NOMEM; @@ -203957,8 +221496,10 @@ static int sessionDiffFindNew( SessionDiffCtx *pDiffCtx = (SessionDiffCtx*)pSession->hook.pCtx; pDiffCtx->pStmt = pStmt; pDiffCtx->nOldOff = 0; + pDiffCtx->bRowid = pTab->bRowid; while( SQLITE_ROW==sqlite3_step(pStmt) ){ - sessionPreupdateOneChange(op, pSession, pTab); + i64 iRowid = (pTab->bRowid ? sqlite3_column_int64(pStmt, 0) : 0); + sessionPreupdateOneChange(op, iRowid, pSession, pTab); } rc = sqlite3_finalize(pStmt); } @@ -203968,6 +221509,27 @@ static int sessionDiffFindNew( return rc; } +/* +** Return a comma-separated list of the fully-qualified (with both database +** and table name) column names from table pTab. e.g. +** +** "main"."t1"."a", "main"."t1"."b", "main"."t1"."c" +*/ +static char *sessionAllCols( + const char *zDb, + SessionTable *pTab +){ + int ii; + char *zRet = 0; + for(ii=0; iinCol; ii++){ + zRet = sqlite3_mprintf("%z%s\"%w\".\"%w\".\"%w\"", + zRet, (zRet ? ", " : ""), zDb, pTab->zName, pTab->azCol[ii] + ); + if( !zRet ) break; + } + return zRet; +} + static int sessionDiffFindModified( sqlite3_session *pSession, SessionTable *pTab, @@ -203982,11 +221544,13 @@ static int sessionDiffFindModified( if( zExpr2==0 ){ rc = SQLITE_NOMEM; }else{ + char *z1 = sessionAllCols(pSession->zDb, pTab); + char *z2 = sessionAllCols(zFrom, pTab); char *zStmt = sqlite3_mprintf( - "SELECT * FROM \"%w\".\"%w\", \"%w\".\"%w\" WHERE %s AND (%z)", - pSession->zDb, pTab->zName, zFrom, pTab->zName, zExpr, zExpr2 + "SELECT %s,%s FROM \"%w\".\"%w\", \"%w\".\"%w\" WHERE %s AND (%z)", + z1, z2, pSession->zDb, pTab->zName, zFrom, pTab->zName, zExpr, zExpr2 ); - if( zStmt==0 ){ + if( zStmt==0 || z1==0 || z2==0 ){ rc = SQLITE_NOMEM; }else{ sqlite3_stmt *pStmt; @@ -203997,12 +221561,15 @@ static int sessionDiffFindModified( pDiffCtx->pStmt = pStmt; pDiffCtx->nOldOff = pTab->nCol; while( SQLITE_ROW==sqlite3_step(pStmt) ){ - sessionPreupdateOneChange(SQLITE_UPDATE, pSession, pTab); + i64 iRowid = (pTab->bRowid ? sqlite3_column_int64(pStmt, 0) : 0); + sessionPreupdateOneChange(SQLITE_UPDATE, iRowid, pSession, pTab); } rc = sqlite3_finalize(pStmt); } - sqlite3_free(zStmt); } + sqlite3_free(zStmt); + sqlite3_free(z1); + sqlite3_free(z2); } return rc; @@ -204041,9 +221608,12 @@ SQLITE_API int sqlite3session_diff( int bHasPk = 0; int bMismatch = 0; int nCol; /* Columns in zFrom.zTbl */ + int bRowid = 0; u8 *abPK; const char **azCol = 0; - rc = sessionTableInfo(db, zFrom, zTbl, &nCol, 0, &azCol, &abPK); + rc = sessionTableInfo(0, db, zFrom, zTbl, &nCol, 0, &azCol, &abPK, + pSession->bImplicitPK ? &bRowid : 0 + ); if( rc==SQLITE_OK ){ if( pTo->nCol!=nCol ){ bMismatch = 1; @@ -204141,7 +221711,7 @@ SQLITE_API int sqlite3session_create( ** Free the list of table objects passed as the first argument. The contents ** of the changed-rows hash tables are also deleted. */ -static void sessionDeleteTable(SessionTable *pList){ +static void sessionDeleteTable(sqlite3_session *pSession, SessionTable *pList){ SessionTable *pNext; SessionTable *pTab; @@ -204153,12 +221723,12 @@ static void sessionDeleteTable(SessionTable *pList){ SessionChange *pNextChange; for(p=pTab->apChange[i]; p; p=pNextChange){ pNextChange = p->pNext; - sqlite3_free(p); + sessionFree(pSession, p); } } - sqlite3_free((char*)pTab->azCol); /* cast works around VC++ bug */ - sqlite3_free(pTab->apChange); - sqlite3_free(pTab); + sessionFree(pSession, (char*)pTab->azCol); /* cast works around VC++ bug */ + sessionFree(pSession, pTab->apChange); + sessionFree(pSession, pTab); } } @@ -204186,9 +221756,11 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession){ /* Delete all attached table objects. And the contents of their ** associated hash-tables. */ - sessionDeleteTable(pSession->pTable); + sessionDeleteTable(pSession, pSession->pTable); - /* Free the session object itself. */ + /* Assert that all allocations have been freed and then free the + ** session object itself. */ + assert( pSession->nMalloc==0 ); sqlite3_free(pSession); } @@ -204235,7 +221807,8 @@ SQLITE_API int sqlite3session_attach( if( !pTab ){ /* Allocate new SessionTable object. */ - pTab = (SessionTable *)sqlite3_malloc64(sizeof(SessionTable) + nName + 1); + int nByte = sizeof(SessionTable) + nName + 1; + pTab = (SessionTable*)sessionMalloc64(pSession, nByte); if( !pTab ){ rc = SQLITE_NOMEM; }else{ @@ -204265,13 +221838,29 @@ SQLITE_API int sqlite3session_attach( ** If successful, return zero. Otherwise, if an OOM condition is encountered, ** set *pRc to SQLITE_NOMEM and return non-zero. */ -static int sessionBufferGrow(SessionBuffer *p, size_t nByte, int *pRc){ - if( *pRc==SQLITE_OK && (size_t)(p->nAlloc-p->nBuf)nBuf + nByte; + if( *pRc==SQLITE_OK && nReq>p->nAlloc ){ u8 *aNew; i64 nNew = p->nAlloc ? p->nAlloc : 128; + do { nNew = nNew*2; - }while( (size_t)(nNew-p->nBuf)SESSION_MAX_BUFFER_SZ ){ + nNew = SESSION_MAX_BUFFER_SZ; + if( nNewaBuf, nNew); if( 0==aNew ){ @@ -204366,9 +221955,10 @@ static void sessionAppendStr( int *pRc ){ int nStr = sqlite3Strlen30(zStr); - if( 0==sessionBufferGrow(p, nStr, pRc) ){ + if( 0==sessionBufferGrow(p, nStr+1, pRc) ){ memcpy(&p->aBuf[p->nBuf], zStr, nStr); p->nBuf += nStr; + p->aBuf[p->nBuf] = 0x00; } } @@ -204390,6 +221980,27 @@ static void sessionAppendInteger( sessionAppendStr(p, aBuf, pRc); } +static void sessionAppendPrintf( + SessionBuffer *p, /* Buffer to append to */ + int *pRc, + const char *zFmt, + ... +){ + if( *pRc==SQLITE_OK ){ + char *zApp = 0; + va_list ap; + va_start(ap, zFmt); + zApp = sqlite3_vmprintf(zFmt, ap); + if( zApp==0 ){ + *pRc = SQLITE_NOMEM; + }else{ + sessionAppendStr(p, zApp, pRc); + } + va_end(ap); + sqlite3_free(zApp); + } +} + /* ** This function is a no-op if *pRc is other than SQLITE_OK when it is ** called. Otherwise, append the string zStr enclosed in quotes (") and @@ -204404,7 +222015,7 @@ static void sessionAppendIdent( const char *zStr, /* String to quote, escape and append */ int *pRc /* IN/OUT: Error code */ ){ - int nStr = sqlite3Strlen30(zStr)*2 + 2 + 1; + int nStr = sqlite3Strlen30(zStr)*2 + 2 + 2; if( 0==sessionBufferGrow(p, nStr, pRc) ){ char *zOut = (char *)&p->aBuf[p->nBuf]; const char *zIn = zStr; @@ -204415,6 +222026,7 @@ static void sessionAppendIdent( } *zOut++ = '"'; p->nBuf = (int)((u8 *)zOut - p->aBuf); + p->aBuf[p->nBuf] = 0x00; } } @@ -204500,6 +222112,7 @@ static int sessionAppendUpdate( int i; /* Used to iterate through columns */ u8 *pCsr = p->aRecord; /* Used to iterate through old.* values */ + assert( abPK!=0 ); sessionAppendByte(pBuf, SQLITE_UPDATE, &rc); sessionAppendByte(pBuf, p->bIndirect, &rc); for(i=0; i FROM zDb.zTab WHERE (pk1, pk2,...) IS (?1, ?2,...) +** +** where is: +** +** 1 AND (?A OR ?1 IS ) AND ... +** +** for each non-pk . */ static int sessionSelectStmt( sqlite3 *db, /* Database handle */ + int bIgnoreNoop, const char *zDb, /* Database name */ const char *zTab, /* Table name */ + int bRowid, int nCol, /* Number of columns in table */ const char **azCol, /* Names of table columns */ u8 *abPK, /* PRIMARY KEY array */ @@ -204651,8 +222272,50 @@ static int sessionSelectStmt( ){ int rc = SQLITE_OK; char *zSql = 0; + const char *zSep = ""; + const char *zCols = bRowid ? SESSIONS_ROWID ", *" : "*"; int nSql = -1; + int i; + + SessionBuffer nooptest = {0, 0, 0}; + SessionBuffer pkfield = {0, 0, 0}; + SessionBuffer pkvar = {0, 0, 0}; + + sessionAppendStr(&nooptest, ", 1", &rc); + if( 0==sqlite3_stricmp("sqlite_stat1", zTab) ){ + sessionAppendStr(&nooptest, " AND (?6 OR ?3 IS stat)", &rc); + sessionAppendStr(&pkfield, "tbl, idx", &rc); + sessionAppendStr(&pkvar, + "?1, (CASE WHEN ?2=X'' THEN NULL ELSE ?2 END)", &rc + ); + zCols = "tbl, ?2, stat"; + }else{ + for(i=0; ipTable; rc==SQLITE_OK && pTab; pTab=pTab->pNext){ if( pTab->nEntry ){ const char *zName = pTab->zName; - int nCol; /* Number of columns in table */ - u8 *abPK; /* Primary key array */ + int nCol = 0; /* Number of columns in table */ + u8 *abPK = 0; /* Primary key array */ const char **azCol = 0; /* Table columns */ int i; /* Used to iterate through hash buckets */ sqlite3_stmt *pSel = 0; /* SELECT statement to query table pTab */ int nRewind = buf.nBuf; /* Initial size of write buffer */ int nNoop; /* Size of buffer after writing tbl header */ + int bRowid = 0; /* Check the table schema is still Ok. */ - rc = sessionTableInfo(db, pSession->zDb, zName, &nCol, 0, &azCol, &abPK); - if( !rc && (pTab->nCol!=nCol || memcmp(abPK, pTab->abPK, nCol)) ){ + rc = sessionTableInfo( + 0, db, pSession->zDb, zName, &nCol, 0, &azCol, &abPK, + (pSession->bImplicitPK ? &bRowid : 0) + ); + if( rc==SQLITE_OK && ( + pTab->nCol!=nCol + || pTab->bRowid!=bRowid + || memcmp(abPK, pTab->abPK, nCol) + )){ rc = SQLITE_SCHEMA; } @@ -204843,7 +222519,8 @@ static int sessionGenerateChangeset( /* Build and compile a statement to execute: */ if( rc==SQLITE_OK ){ rc = sessionSelectStmt( - db, pSession->zDb, zName, nCol, azCol, abPK, &pSel); + db, 0, pSession->zDb, zName, bRowid, nCol, azCol, abPK, &pSel + ); } nNoop = buf.nBuf; @@ -204862,6 +222539,7 @@ static int sessionGenerateChangeset( sessionAppendCol(&buf, pSel, iCol, &rc); } }else{ + assert( abPK!=0 ); /* Because sessionSelectStmt() returned ok */ rc = sessionAppendUpdate(&buf, bPatchset, pSel, p, abPK); } }else if( p->op!=SQLITE_INSERT ){ @@ -204922,7 +222600,14 @@ SQLITE_API int sqlite3session_changeset( int *pnChangeset, /* OUT: Size of buffer at *ppChangeset */ void **ppChangeset /* OUT: Buffer containing changeset */ ){ - return sessionGenerateChangeset(pSession, 0, 0, 0, pnChangeset, ppChangeset); + int rc; + + if( pnChangeset==0 || ppChangeset==0 ) return SQLITE_MISUSE; + rc = sessionGenerateChangeset(pSession, 0, 0, 0, pnChangeset, ppChangeset); + assert( rc || pnChangeset==0 + || pSession->bEnableSize==0 || *pnChangeset<=pSession->nMaxChangesetSize + ); + return rc; } /* @@ -204933,6 +222618,7 @@ SQLITE_API int sqlite3session_changeset_strm( int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ){ + if( xOutput==0 ) return SQLITE_MISUSE; return sessionGenerateChangeset(pSession, 0, xOutput, pOut, 0, 0); } @@ -204944,6 +222630,7 @@ SQLITE_API int sqlite3session_patchset_strm( int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ){ + if( xOutput==0 ) return SQLITE_MISUSE; return sessionGenerateChangeset(pSession, 1, xOutput, pOut, 0, 0); } @@ -204959,6 +222646,7 @@ SQLITE_API int sqlite3session_patchset( int *pnPatchset, /* OUT: Size of buffer at *ppChangeset */ void **ppPatchset /* OUT: Buffer containing changeset */ ){ + if( pnPatchset==0 || ppPatchset==0 ) return SQLITE_MISUSE; return sessionGenerateChangeset(pSession, 1, 0, 0, pnPatchset, ppPatchset); } @@ -205007,6 +222695,59 @@ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession){ return (ret==0); } +/* +** Return the amount of heap memory in use. +*/ +SQLITE_API sqlite3_int64 sqlite3session_memory_used(sqlite3_session *pSession){ + return pSession->nMalloc; +} + +/* +** Configure the session object passed as the first argument. +*/ +SQLITE_API int sqlite3session_object_config(sqlite3_session *pSession, int op, void *pArg){ + int rc = SQLITE_OK; + switch( op ){ + case SQLITE_SESSION_OBJCONFIG_SIZE: { + int iArg = *(int*)pArg; + if( iArg>=0 ){ + if( pSession->pTable ){ + rc = SQLITE_MISUSE; + }else{ + pSession->bEnableSize = (iArg!=0); + } + } + *(int*)pArg = pSession->bEnableSize; + break; + } + + case SQLITE_SESSION_OBJCONFIG_ROWID: { + int iArg = *(int*)pArg; + if( iArg>=0 ){ + if( pSession->pTable ){ + rc = SQLITE_MISUSE; + }else{ + pSession->bImplicitPK = (iArg!=0); + } + } + *(int*)pArg = pSession->bImplicitPK; + break; + } + + default: + rc = SQLITE_MISUSE; + } + + return rc; +} + +/* +** Return the maximum size of sqlite3session_changeset() output. +*/ +SQLITE_API sqlite3_int64 sqlite3session_changeset_size(sqlite3_session *pSession){ + return pSession->nMaxChangesetSize; +} + /* ** Do the work for either sqlite3changeset_start() or start_strm(). */ @@ -205016,7 +222757,8 @@ static int sessionChangesetStart( void *pIn, int nChangeset, /* Size of buffer pChangeset in bytes */ void *pChangeset, /* Pointer to buffer containing changeset */ - int bInvert /* True to invert changeset */ + int bInvert, /* True to invert changeset */ + int bSkipEmpty /* True to skip empty UPDATE changes */ ){ sqlite3_changeset_iter *pRet; /* Iterator to return */ int nByte; /* Number of bytes to allocate for iterator */ @@ -205037,6 +222779,7 @@ static int sessionChangesetStart( pRet->in.pIn = pIn; pRet->in.bEof = (xInput ? 0 : 1); pRet->bInvert = bInvert; + pRet->bSkipEmpty = bSkipEmpty; /* Populate the output variable and return success. */ *pp = pRet; @@ -205051,7 +222794,7 @@ SQLITE_API int sqlite3changeset_start( int nChangeset, /* Size of buffer pChangeset in bytes */ void *pChangeset /* Pointer to buffer containing changeset */ ){ - return sessionChangesetStart(pp, 0, 0, nChangeset, pChangeset, 0); + return sessionChangesetStart(pp, 0, 0, nChangeset, pChangeset, 0, 0); } SQLITE_API int sqlite3changeset_start_v2( sqlite3_changeset_iter **pp, /* OUT: Changeset iterator handle */ @@ -205060,7 +222803,7 @@ SQLITE_API int sqlite3changeset_start_v2( int flags ){ int bInvert = !!(flags & SQLITE_CHANGESETSTART_INVERT); - return sessionChangesetStart(pp, 0, 0, nChangeset, pChangeset, bInvert); + return sessionChangesetStart(pp, 0, 0, nChangeset, pChangeset, bInvert, 0); } /* @@ -205071,7 +222814,7 @@ SQLITE_API int sqlite3changeset_start_strm( int (*xInput)(void *pIn, void *pData, int *pnData), void *pIn ){ - return sessionChangesetStart(pp, xInput, pIn, 0, 0, 0); + return sessionChangesetStart(pp, xInput, pIn, 0, 0, 0, 0); } SQLITE_API int sqlite3changeset_start_v2_strm( sqlite3_changeset_iter **pp, /* OUT: Changeset iterator handle */ @@ -205080,7 +222823,7 @@ SQLITE_API int sqlite3changeset_start_v2_strm( int flags ){ int bInvert = !!(flags & SQLITE_CHANGESETSTART_INVERT); - return sessionChangesetStart(pp, xInput, pIn, 0, 0, bInvert); + return sessionChangesetStart(pp, xInput, pIn, 0, 0, bInvert, 0); } /* @@ -205206,11 +222949,14 @@ static int sessionReadRecord( SessionInput *pIn, /* Input data */ int nCol, /* Number of values in record */ u8 *abPK, /* Array of primary key flags, or NULL */ - sqlite3_value **apOut /* Write values to this array */ + sqlite3_value **apOut, /* Write values to this array */ + int *pbEmpty ){ int i; /* Used to iterate through columns */ int rc = SQLITE_OK; + assert( pbEmpty==0 || *pbEmpty==0 ); + if( pbEmpty ) *pbEmpty = 1; for(i=0; iaData[pIn->iNext++]; assert( apOut[i]==0 ); if( eType ){ + if( pbEmpty ) *pbEmpty = 0; apOut[i] = sqlite3ValueNew(0); if( !apOut[i] ) rc = SQLITE_NOMEM; } @@ -205245,15 +222992,19 @@ static int sessionReadRecord( } } if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ - sqlite3_int64 v = sessionGetI64(aVal); - if( eType==SQLITE_INTEGER ){ - sqlite3VdbeMemSetInt64(apOut[i], v); + if( (pIn->nData-pIn->iNext)<8 ){ + rc = SQLITE_CORRUPT_BKPT; }else{ - double d; - memcpy(&d, &v, 8); - sqlite3VdbeMemSetDouble(apOut[i], d); + sqlite3_int64 v = sessionGetI64(aVal); + if( eType==SQLITE_INTEGER ){ + sqlite3VdbeMemSetInt64(apOut[i], v); + }else{ + double d; + memcpy(&d, &v, 8); + sqlite3VdbeMemSetDouble(apOut[i], d); + } + pIn->iNext += 8; } - pIn->iNext += 8; } } } @@ -205401,31 +223152,27 @@ static int sessionChangesetReadTblhdr(sqlite3_changeset_iter *p){ } /* -** Advance the changeset iterator to the next change. -** -** If both paRec and pnRec are NULL, then this function works like the public -** API sqlite3changeset_next(). If SQLITE_ROW is returned, then the -** sqlite3changeset_new() and old() APIs may be used to query for values. +** Advance the changeset iterator to the next change. The differences between +** this function and sessionChangesetNext() are that ** -** Otherwise, if paRec and pnRec are not NULL, then a pointer to the change -** record is written to *paRec before returning and the number of bytes in -** the record to *pnRec. +** * If pbEmpty is not NULL and the change is a no-op UPDATE (an UPDATE +** that modifies no columns), this function sets (*pbEmpty) to 1. ** -** Either way, this function returns SQLITE_ROW if the iterator is -** successfully advanced to the next change in the changeset, an SQLite -** error code if an error occurs, or SQLITE_DONE if there are no further -** changes in the changeset. +** * If the iterator is configured to skip no-op UPDATEs, +** sessionChangesetNext() does that. This function does not. */ -static int sessionChangesetNext( +static int sessionChangesetNextOne( sqlite3_changeset_iter *p, /* Changeset iterator */ u8 **paRec, /* If non-NULL, store record pointer here */ int *pnRec, /* If non-NULL, store size of record here */ - int *pbNew /* If non-NULL, true if new table */ + int *pbNew, /* If non-NULL, true if new table */ + int *pbEmpty ){ int i; u8 op; assert( (paRec==0 && pnRec==0) || (paRec && pnRec) ); + assert( pbEmpty==0 || *pbEmpty==0 ); /* If the iterator is in the error-state, return immediately. */ if( p->rc!=SQLITE_OK ) return p->rc; @@ -205498,13 +223245,13 @@ static int sessionChangesetNext( /* If this is an UPDATE or DELETE, read the old.* record. */ if( p->op!=SQLITE_INSERT && (p->bPatchset==0 || p->op==SQLITE_DELETE) ){ u8 *abPK = p->bPatchset ? p->abPK : 0; - p->rc = sessionReadRecord(&p->in, p->nCol, abPK, apOld); + p->rc = sessionReadRecord(&p->in, p->nCol, abPK, apOld, 0); if( p->rc!=SQLITE_OK ) return p->rc; } /* If this is an INSERT or UPDATE, read the new.* record. */ if( p->op!=SQLITE_DELETE ){ - p->rc = sessionReadRecord(&p->in, p->nCol, 0, apNew); + p->rc = sessionReadRecord(&p->in, p->nCol, 0, apNew, pbEmpty); if( p->rc!=SQLITE_OK ) return p->rc; } @@ -205526,11 +223273,58 @@ static int sessionChangesetNext( if( p->op==SQLITE_INSERT ) p->op = SQLITE_DELETE; else if( p->op==SQLITE_DELETE ) p->op = SQLITE_INSERT; } + + /* If this is an UPDATE that is part of a changeset, then check that + ** there are no fields in the old.* record that are not (a) PK fields, + ** or (b) also present in the new.* record. + ** + ** Such records are technically corrupt, but the rebaser was at one + ** point generating them. Under most circumstances this is benign, but + ** can cause spurious SQLITE_RANGE errors when applying the changeset. */ + if( p->bPatchset==0 && p->op==SQLITE_UPDATE){ + for(i=0; inCol; i++){ + if( p->abPK[i]==0 && p->apValue[i+p->nCol]==0 ){ + sqlite3ValueFree(p->apValue[i]); + p->apValue[i] = 0; + } + } + } } return SQLITE_ROW; } +/* +** Advance the changeset iterator to the next change. +** +** If both paRec and pnRec are NULL, then this function works like the public +** API sqlite3changeset_next(). If SQLITE_ROW is returned, then the +** sqlite3changeset_new() and old() APIs may be used to query for values. +** +** Otherwise, if paRec and pnRec are not NULL, then a pointer to the change +** record is written to *paRec before returning and the number of bytes in +** the record to *pnRec. +** +** Either way, this function returns SQLITE_ROW if the iterator is +** successfully advanced to the next change in the changeset, an SQLite +** error code if an error occurs, or SQLITE_DONE if there are no further +** changes in the changeset. +*/ +static int sessionChangesetNext( + sqlite3_changeset_iter *p, /* Changeset iterator */ + u8 **paRec, /* If non-NULL, store record pointer here */ + int *pnRec, /* If non-NULL, store size of record here */ + int *pbNew /* If non-NULL, true if new table */ +){ + int bEmpty; + int rc; + do { + bEmpty = 0; + rc = sessionChangesetNextOne(p, paRec, pnRec, pbNew, &bEmpty); + }while( rc==SQLITE_ROW && p->bSkipEmpty && bEmpty); + return rc; +} + /* ** Advance an iterator created by sqlite3changeset_start() to the next ** change in the changeset. This function may return SQLITE_ROW, SQLITE_DONE @@ -205803,9 +223597,9 @@ static int sessionChangesetInvert( /* Read the old.* and new.* records for the update change. */ pInput->iNext += 2; - rc = sessionReadRecord(pInput, nCol, 0, &apVal[0]); + rc = sessionReadRecord(pInput, nCol, 0, &apVal[0], 0); if( rc==SQLITE_OK ){ - rc = sessionReadRecord(pInput, nCol, 0, &apVal[nCol]); + rc = sessionReadRecord(pInput, nCol, 0, &apVal[nCol], 0); } /* Write the new old.* record. Consists of the PK columns from the @@ -205849,11 +223643,11 @@ static int sessionChangesetInvert( } assert( rc==SQLITE_OK ); - if( pnInverted ){ + if( pnInverted && ALWAYS(ppInverted) ){ *pnInverted = sOut.nBuf; *ppInverted = sOut.aBuf; sOut.aBuf = 0; - }else if( sOut.nBuf>0 ){ + }else if( sOut.nBuf>0 && ALWAYS(xOutput!=0) ){ rc = xOutput(pOut, sOut.aBuf, sOut.nBuf); } @@ -205906,16 +223700,25 @@ SQLITE_API int sqlite3changeset_invert_strm( return rc; } + +typedef struct SessionUpdate SessionUpdate; +struct SessionUpdate { + sqlite3_stmt *pStmt; + u32 *aMask; + SessionUpdate *pNext; +}; + typedef struct SessionApplyCtx SessionApplyCtx; struct SessionApplyCtx { sqlite3 *db; sqlite3_stmt *pDelete; /* DELETE statement */ - sqlite3_stmt *pUpdate; /* UPDATE statement */ sqlite3_stmt *pInsert; /* INSERT statement */ sqlite3_stmt *pSelect; /* SELECT statement */ int nCol; /* Size of azCol[] and abPK[] arrays */ const char **azCol; /* Array of column names */ u8 *abPK; /* Boolean array - true if column is in PK */ + u32 *aUpdateMask; /* Used by sessionUpdateFind */ + SessionUpdate *pUp; int bStat1; /* True if table is sqlite_stat1 */ int bDeferConstraints; /* True to defer constraints */ int bInvertConstraints; /* Invert when iterating constraints buffer */ @@ -205923,8 +223726,171 @@ struct SessionApplyCtx { SessionBuffer rebase; /* Rebase information (if any) here */ u8 bRebaseStarted; /* If table header is already in rebase */ u8 bRebase; /* True to collect rebase information */ + u8 bIgnoreNoop; /* True to ignore no-op conflicts */ + int bRowid; }; +/* Number of prepared UPDATE statements to cache. */ +#define SESSION_UPDATE_CACHE_SZ 12 + +/* +** Find a prepared UPDATE statement suitable for the UPDATE step currently +** being visited by the iterator. The UPDATE is of the form: +** +** UPDATE tbl SET col = ?, col2 = ? WHERE pk1 IS ? AND pk2 IS ? +*/ +static int sessionUpdateFind( + sqlite3_changeset_iter *pIter, + SessionApplyCtx *p, + int bPatchset, + sqlite3_stmt **ppStmt +){ + int rc = SQLITE_OK; + SessionUpdate *pUp = 0; + int nCol = pIter->nCol; + int nU32 = (pIter->nCol+33)/32; + int ii; + + if( p->aUpdateMask==0 ){ + p->aUpdateMask = sqlite3_malloc(nU32*sizeof(u32)); + if( p->aUpdateMask==0 ){ + rc = SQLITE_NOMEM; + } + } + + if( rc==SQLITE_OK ){ + memset(p->aUpdateMask, 0, nU32*sizeof(u32)); + rc = SQLITE_CORRUPT; + for(ii=0; iinCol; ii++){ + if( sessionChangesetNew(pIter, ii) ){ + p->aUpdateMask[ii/32] |= (1<<(ii%32)); + rc = SQLITE_OK; + } + } + } + + if( rc==SQLITE_OK ){ + if( bPatchset ) p->aUpdateMask[nCol/32] |= (1<<(nCol%32)); + + if( p->pUp ){ + int nUp = 0; + SessionUpdate **pp = &p->pUp; + while( 1 ){ + nUp++; + if( 0==memcmp(p->aUpdateMask, (*pp)->aMask, nU32*sizeof(u32)) ){ + pUp = *pp; + *pp = pUp->pNext; + pUp->pNext = p->pUp; + p->pUp = pUp; + break; + } + + if( (*pp)->pNext ){ + pp = &(*pp)->pNext; + }else{ + if( nUp>=SESSION_UPDATE_CACHE_SZ ){ + sqlite3_finalize((*pp)->pStmt); + sqlite3_free(*pp); + *pp = 0; + } + break; + } + } + } + + if( pUp==0 ){ + int nByte = sizeof(SessionUpdate) * nU32*sizeof(u32); + int bStat1 = (sqlite3_stricmp(pIter->zTab, "sqlite_stat1")==0); + pUp = (SessionUpdate*)sqlite3_malloc(nByte); + if( pUp==0 ){ + rc = SQLITE_NOMEM; + }else{ + const char *zSep = ""; + SessionBuffer buf; + + memset(&buf, 0, sizeof(buf)); + pUp->aMask = (u32*)&pUp[1]; + memcpy(pUp->aMask, p->aUpdateMask, nU32*sizeof(u32)); + + sessionAppendStr(&buf, "UPDATE main.", &rc); + sessionAppendIdent(&buf, pIter->zTab, &rc); + sessionAppendStr(&buf, " SET ", &rc); + + /* Create the assignments part of the UPDATE */ + for(ii=0; iinCol; ii++){ + if( p->abPK[ii]==0 && sessionChangesetNew(pIter, ii) ){ + sessionAppendStr(&buf, zSep, &rc); + sessionAppendIdent(&buf, p->azCol[ii], &rc); + sessionAppendStr(&buf, " = ?", &rc); + sessionAppendInteger(&buf, ii*2+1, &rc); + zSep = ", "; + } + } + + /* Create the WHERE clause part of the UPDATE */ + zSep = ""; + sessionAppendStr(&buf, " WHERE ", &rc); + for(ii=0; iinCol; ii++){ + if( p->abPK[ii] || (bPatchset==0 && sessionChangesetOld(pIter, ii)) ){ + sessionAppendStr(&buf, zSep, &rc); + if( bStat1 && ii==1 ){ + assert( sqlite3_stricmp(p->azCol[ii], "idx")==0 ); + sessionAppendStr(&buf, + "idx IS CASE " + "WHEN length(?4)=0 AND typeof(?4)='blob' THEN NULL " + "ELSE ?4 END ", &rc + ); + }else{ + sessionAppendIdent(&buf, p->azCol[ii], &rc); + sessionAppendStr(&buf, " IS ?", &rc); + sessionAppendInteger(&buf, ii*2+2, &rc); + } + zSep = " AND "; + } + } + + if( rc==SQLITE_OK ){ + char *zSql = (char*)buf.aBuf; + rc = sqlite3_prepare_v2(p->db, zSql, buf.nBuf, &pUp->pStmt, 0); + } + + if( rc!=SQLITE_OK ){ + sqlite3_free(pUp); + pUp = 0; + }else{ + pUp->pNext = p->pUp; + p->pUp = pUp; + } + sqlite3_free(buf.aBuf); + } + } + } + + assert( (rc==SQLITE_OK)==(pUp!=0) ); + if( pUp ){ + *ppStmt = pUp->pStmt; + }else{ + *ppStmt = 0; + } + return rc; +} + +/* +** Free all cached UPDATE statements. +*/ +static void sessionUpdateFree(SessionApplyCtx *p){ + SessionUpdate *pUp; + SessionUpdate *pNext; + for(pUp=p->pUp; pUp; pUp=pNext){ + pNext = pUp->pNext; + sqlite3_finalize(pUp->pStmt); + sqlite3_free(pUp); + } + p->pUp = 0; + sqlite3_free(p->aUpdateMask); + p->aUpdateMask = 0; +} + /* ** Formulate a statement to DELETE a row from database db. Assuming a table ** structure like this: @@ -205994,103 +223960,6 @@ static int sessionDeleteRow( return rc; } -/* -** Formulate and prepare a statement to UPDATE a row from database db. -** Assuming a table structure like this: -** -** CREATE TABLE x(a, b, c, d, PRIMARY KEY(a, c)); -** -** The UPDATE statement looks like this: -** -** UPDATE x SET -** a = CASE WHEN ?2 THEN ?3 ELSE a END, -** b = CASE WHEN ?5 THEN ?6 ELSE b END, -** c = CASE WHEN ?8 THEN ?9 ELSE c END, -** d = CASE WHEN ?11 THEN ?12 ELSE d END -** WHERE a = ?1 AND c = ?7 AND (?13 OR -** (?5==0 OR b IS ?4) AND (?11==0 OR d IS ?10) AND -** ) -** -** For each column in the table, there are three variables to bind: -** -** ?(i*3+1) The old.* value of the column, if any. -** ?(i*3+2) A boolean flag indicating that the value is being modified. -** ?(i*3+3) The new.* value of the column, if any. -** -** Also, a boolean flag that, if set to true, causes the statement to update -** a row even if the non-PK values do not match. This is required if the -** conflict-handler is invoked with CHANGESET_DATA and returns -** CHANGESET_REPLACE. This is variable "?(nCol*3+1)". -** -** If successful, SQLITE_OK is returned and SessionApplyCtx.pUpdate is left -** pointing to the prepared version of the SQL statement. -*/ -static int sessionUpdateRow( - sqlite3 *db, /* Database handle */ - const char *zTab, /* Table name */ - SessionApplyCtx *p /* Session changeset-apply context */ -){ - int rc = SQLITE_OK; - int i; - const char *zSep = ""; - SessionBuffer buf = {0, 0, 0}; - - /* Append "UPDATE tbl SET " */ - sessionAppendStr(&buf, "UPDATE main.", &rc); - sessionAppendIdent(&buf, zTab, &rc); - sessionAppendStr(&buf, " SET ", &rc); - - /* Append the assignments */ - for(i=0; inCol; i++){ - sessionAppendStr(&buf, zSep, &rc); - sessionAppendIdent(&buf, p->azCol[i], &rc); - sessionAppendStr(&buf, " = CASE WHEN ?", &rc); - sessionAppendInteger(&buf, i*3+2, &rc); - sessionAppendStr(&buf, " THEN ?", &rc); - sessionAppendInteger(&buf, i*3+3, &rc); - sessionAppendStr(&buf, " ELSE ", &rc); - sessionAppendIdent(&buf, p->azCol[i], &rc); - sessionAppendStr(&buf, " END", &rc); - zSep = ", "; - } - - /* Append the PK part of the WHERE clause */ - sessionAppendStr(&buf, " WHERE ", &rc); - for(i=0; inCol; i++){ - if( p->abPK[i] ){ - sessionAppendIdent(&buf, p->azCol[i], &rc); - sessionAppendStr(&buf, " = ?", &rc); - sessionAppendInteger(&buf, i*3+1, &rc); - sessionAppendStr(&buf, " AND ", &rc); - } - } - - /* Append the non-PK part of the WHERE clause */ - sessionAppendStr(&buf, " (?", &rc); - sessionAppendInteger(&buf, p->nCol*3+1, &rc); - sessionAppendStr(&buf, " OR 1", &rc); - for(i=0; inCol; i++){ - if( !p->abPK[i] ){ - sessionAppendStr(&buf, " AND (?", &rc); - sessionAppendInteger(&buf, i*3+2, &rc); - sessionAppendStr(&buf, "=0 OR ", &rc); - sessionAppendIdent(&buf, p->azCol[i], &rc); - sessionAppendStr(&buf, " IS ?", &rc); - sessionAppendInteger(&buf, i*3+1, &rc); - sessionAppendStr(&buf, ")", &rc); - } - } - sessionAppendStr(&buf, ")", &rc); - - if( rc==SQLITE_OK ){ - rc = sqlite3_prepare_v2(db, (char *)buf.aBuf, buf.nBuf, &p->pUpdate, 0); - } - sqlite3_free(buf.aBuf); - - return rc; -} - - /* ** Formulate and prepare an SQL statement to query table zTab by primary ** key. Assuming the following table structure: @@ -206109,8 +223978,10 @@ static int sessionSelectRow( const char *zTab, /* Table name */ SessionApplyCtx *p /* Session changeset-apply context */ ){ - return sessionSelectStmt( - db, "main", zTab, p->nCol, p->azCol, p->abPK, &p->pSelect); + /* TODO */ + return sessionSelectStmt(db, p->bIgnoreNoop, + "main", zTab, p->bRowid, p->nCol, p->azCol, p->abPK, &p->pSelect + ); } /* @@ -206171,17 +224042,6 @@ static int sessionStat1Sql(sqlite3 *db, SessionApplyCtx *p){ "?3)" ); } - if( rc==SQLITE_OK ){ - rc = sessionPrepare(db, &p->pUpdate, - "UPDATE main.sqlite_stat1 SET " - "tbl = CASE WHEN ?2 THEN ?3 ELSE tbl END, " - "idx = CASE WHEN ?5 THEN ?6 ELSE idx END, " - "stat = CASE WHEN ?8 THEN ?9 ELSE stat END " - "WHERE tbl=?1 AND idx IS " - "CASE WHEN length(?4)=0 AND typeof(?4)='blob' THEN NULL ELSE ?4 END " - "AND (?10 OR ?8=0 OR stat IS ?7)" - ); - } if( rc==SQLITE_OK ){ rc = sessionPrepare(db, &p->pDelete, "DELETE FROM main.sqlite_stat1 WHERE tbl=?1 AND idx IS " @@ -206247,7 +224107,7 @@ static int sessionBindRow( for(i=0; rc==SQLITE_OK && ipSelect; int rc; /* Return code */ int nCol; /* Number of columns in table */ int op; /* Changset operation (SQLITE_UPDATE etc.) */ const char *zDummy; /* Unused */ + sqlite3_clear_bindings(pSelect); sqlite3changeset_op(pIter, &zDummy, &nCol, &op, 0); rc = sessionBindRow(pIter, op==SQLITE_INSERT ? sqlite3changeset_new : sqlite3changeset_old, - nCol, abPK, pSelect + nCol, p->abPK, pSelect ); + if( op!=SQLITE_DELETE && p->bIgnoreNoop ){ + int ii; + for(ii=0; rc==SQLITE_OK && iiabPK[ii]==0 ){ + sqlite3_value *pVal = 0; + sqlite3changeset_new(pIter, ii, &pVal); + sqlite3_bind_int(pSelect, ii+1+nCol, (pVal==0)); + if( pVal ) rc = sessionBindValue(pSelect, ii+1, pVal); + } + } + } + if( rc==SQLITE_OK ){ rc = sqlite3_step(pSelect); if( rc!=SQLITE_ROW ) rc = sqlite3_reset(pSelect); @@ -206409,16 +224281,22 @@ static int sessionConflictHandler( /* Bind the new.* PRIMARY KEY values to the SELECT statement. */ if( pbReplace ){ - rc = sessionSeekToRow(p->db, pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p); }else{ rc = SQLITE_OK; } if( rc==SQLITE_ROW ){ /* There exists another row with the new.* primary key. */ - pIter->pConflict = p->pSelect; - res = xConflict(pCtx, eType, pIter); - pIter->pConflict = 0; + if( p->bIgnoreNoop + && sqlite3_column_int(p->pSelect, sqlite3_column_count(p->pSelect)-1) + ){ + res = SQLITE_CHANGESET_OMIT; + }else{ + pIter->pConflict = p->pSelect; + res = xConflict(pCtx, eType, pIter); + pIter->pConflict = 0; + } rc = sqlite3_reset(p->pSelect); }else if( rc==SQLITE_OK ){ if( p->bDeferConstraints && eType==SQLITE_CHANGESET_CONFLICT ){ @@ -206498,7 +224376,7 @@ static int sessionApplyOneOp( int nCol; int rc = SQLITE_OK; - assert( p->pDelete && p->pUpdate && p->pInsert && p->pSelect ); + assert( p->pDelete && p->pInsert && p->pSelect ); assert( p->azCol && p->abPK ); assert( !pbReplace || *pbReplace==0 ); @@ -206526,7 +224404,7 @@ static int sessionApplyOneOp( sqlite3_step(p->pDelete); rc = sqlite3_reset(p->pDelete); - if( rc==SQLITE_OK && sqlite3_changes(p->db)==0 ){ + if( rc==SQLITE_OK && sqlite3_changes(p->db)==0 && p->bIgnoreNoop==0 ){ rc = sessionConflictHandler( SQLITE_CHANGESET_DATA, p, pIter, xConflict, pCtx, pbRetry ); @@ -206538,29 +224416,28 @@ static int sessionApplyOneOp( }else if( op==SQLITE_UPDATE ){ int i; + sqlite3_stmt *pUp = 0; + int bPatchset = (pbRetry==0 || pIter->bPatchset); + + rc = sessionUpdateFind(pIter, p, bPatchset, &pUp); /* Bind values to the UPDATE statement. */ for(i=0; rc==SQLITE_OK && ipUpdate, i*3+2, !!pNew); - if( pOld ){ - rc = sessionBindValue(p->pUpdate, i*3+1, pOld); + if( p->abPK[i] || (bPatchset==0 && pOld) ){ + rc = sessionBindValue(pUp, i*2+2, pOld); } if( rc==SQLITE_OK && pNew ){ - rc = sessionBindValue(p->pUpdate, i*3+3, pNew); + rc = sessionBindValue(pUp, i*2+1, pNew); } } - if( rc==SQLITE_OK ){ - sqlite3_bind_int(p->pUpdate, nCol*3+1, pbRetry==0 || pIter->bPatchset); - } if( rc!=SQLITE_OK ) return rc; /* Attempt the UPDATE. In the case of a NOTFOUND or DATA conflict, ** the result will be SQLITE_OK with 0 rows modified. */ - sqlite3_step(p->pUpdate); - rc = sqlite3_reset(p->pUpdate); + sqlite3_step(pUp); + rc = sqlite3_reset(pUp); if( rc==SQLITE_OK && sqlite3_changes(p->db)==0 ){ /* A NOTFOUND or DATA error. Search the table to see if it contains @@ -206584,7 +224461,7 @@ static int sessionApplyOneOp( /* Check if there is a conflicting row. For sqlite_stat1, this needs ** to be done using a SELECT, as there is no PRIMARY KEY in the ** database schema to throw an exception if a duplicate is inserted. */ - rc = sessionSeekToRow(p->db, pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p); if( rc==SQLITE_ROW ){ rc = SQLITE_CONSTRAINT; sqlite3_reset(p->pSelect); @@ -206692,7 +224569,7 @@ static int sessionRetryConstraints( memset(&pApply->constraints, 0, sizeof(SessionBuffer)); rc = sessionChangesetStart( - &pIter2, 0, 0, cons.nBuf, cons.aBuf, pApply->bInvertConstraints + &pIter2, 0, 0, cons.nBuf, cons.aBuf, pApply->bInvertConstraints, 1 ); if( rc==SQLITE_OK ){ size_t nByte = 2*pApply->nCol*sizeof(sqlite3_value*); @@ -206761,6 +224638,7 @@ static int sessionChangesetApply( memset(&sApply, 0, sizeof(sApply)); sApply.bRebase = (ppRebase && pnRebase); sApply.bInvertConstraints = !!(flags & SQLITE_CHANGESETAPPLY_INVERT); + sApply.bIgnoreNoop = !!(flags & SQLITE_CHANGESETAPPLY_IGNORENOOP); sqlite3_mutex_enter(sqlite3_db_mutex(db)); if( (flags & SQLITE_CHANGESETAPPLY_NOSAVEPOINT)==0 ){ rc = sqlite3_exec(db, "SAVEPOINT changeset_apply", 0, 0, 0); @@ -206783,14 +224661,13 @@ static int sessionChangesetApply( ); if( rc!=SQLITE_OK ) break; + sessionUpdateFree(&sApply); sqlite3_free((char*)sApply.azCol); /* cast works around VC++ bug */ sqlite3_finalize(sApply.pDelete); - sqlite3_finalize(sApply.pUpdate); sqlite3_finalize(sApply.pInsert); sqlite3_finalize(sApply.pSelect); sApply.db = db; sApply.pDelete = 0; - sApply.pUpdate = 0; sApply.pInsert = 0; sApply.pSelect = 0; sApply.nCol = 0; @@ -206799,6 +224676,7 @@ static int sessionChangesetApply( sApply.bStat1 = 0; sApply.bDeferConstraints = 1; sApply.bRebaseStarted = 0; + sApply.bRowid = 0; memset(&sApply.constraints, 0, sizeof(SessionBuffer)); /* If an xFilter() callback was specified, invoke it now. If the @@ -206818,8 +224696,8 @@ static int sessionChangesetApply( int i; sqlite3changeset_pk(pIter, &abPK, 0); - rc = sessionTableInfo( - db, "main", zNew, &sApply.nCol, &zTab, &sApply.azCol, &sApply.abPK + rc = sessionTableInfo(0, db, "main", zNew, + &sApply.nCol, &zTab, &sApply.azCol, &sApply.abPK, &sApply.bRowid ); if( rc!=SQLITE_OK ) break; for(i=0; ibPatchset, pTab) ){ + if( sessionGrowHash(0, pIter->bPatchset, pTab) ){ rc = SQLITE_NOMEM; break; } @@ -207393,9 +225270,9 @@ static int sessionChangegroupOutput( if( rc==SQLITE_OK ){ if( xOutput ){ if( buf.nBuf>0 ) rc = xOutput(pOut, buf.aBuf, buf.nBuf); - }else{ + }else if( ppOut ){ *ppOut = buf.aBuf; - *pnOut = buf.nBuf; + if( pnOut ) *pnOut = buf.nBuf; buf.aBuf = 0; } } @@ -207483,7 +225360,7 @@ SQLITE_API int sqlite3changegroup_output_strm( */ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup *pGrp){ if( pGrp ){ - sessionDeleteTable(pGrp->pList); + sessionDeleteTable(0, pGrp->pList); sqlite3_free(pGrp); } } @@ -207629,10 +225506,10 @@ static void sessionAppendPartialUpdate( int n1 = sessionSerialLen(a1); int n2 = sessionSerialLen(a2); if( pIter->abPK[i] || a2[0]==0 ){ - if( !pIter->abPK[i] ) bData = 1; + if( !pIter->abPK[i] && a1[0] ) bData = 1; memcpy(pOut, a1, n1); pOut += n1; - }else if( a2[0]!=0xFF ){ + }else if( a2[0]!=0xFF && a1[0] ){ bData = 1; memcpy(pOut, a2, n2); pOut += n2; @@ -207795,7 +225672,7 @@ static int sessionRebase( if( sOut.nBuf>0 ){ rc = xOutput(pOut, sOut.aBuf, sOut.nBuf); } - }else{ + }else if( ppOut ){ *ppOut = (void*)sOut.aBuf; *pnOut = sOut.nBuf; sOut.aBuf = 0; @@ -207884,7 +225761,7 @@ SQLITE_API int sqlite3rebaser_rebase_strm( */ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p){ if( p ){ - sessionDeleteTable(p->grp.pList); + sessionDeleteTable(0, p->grp.pList); sqlite3_free(p); } } @@ -208190,7 +226067,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -208419,8 +226296,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -208468,7 +226345,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -208477,7 +226354,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -208485,7 +226362,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -208538,8 +226415,20 @@ typedef sqlite3_uint64 u64; #endif #define testcase(x) -#define ALWAYS(x) 1 -#define NEVER(x) 0 + +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_MUTATION_TEST) +# define SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS 1 +#endif +#if defined(SQLITE_OMIT_AUXILIARY_SAFETY_CHECKS) +# define ALWAYS(X) (1) +# define NEVER(X) (0) +#elif !defined(NDEBUG) +# define ALWAYS(X) ((X)?1:(assert(0),0)) +# define NEVER(X) ((X)?(assert(0),1):0) +#else +# define ALWAYS(X) (X) +# define NEVER(X) (X) +#endif #define MIN(x,y) (((x) < (y)) ? (x) : (y)) #define MAX(x,y) (((x) > (y)) ? (x) : (y)) @@ -208599,7 +226488,7 @@ SQLITE_API extern int sqlite3_fts5_may_be_corrupt; ** A version of memcmp() that does not cause asan errors if one of the pointer ** parameters is NULL and the number of bytes to compare is zero. */ -#define fts5Memcmp(s1, s2, n) ((n)==0 ? 0 : memcmp((s1), (s2), (n))) +#define fts5Memcmp(s1, s2, n) ((n)<=0 ? 0 : memcmp((s1), (s2), (n))) /* Mark a function parameter as unused, to suppress nuisance compiler ** warnings. */ @@ -208645,6 +226534,10 @@ typedef struct Fts5Config Fts5Config; ** attempt to merge together. A value of 1 sets the object to use the ** compile time default. Zero disables auto-merge altogether. ** +** bContentlessDelete: +** True if the contentless_delete option was present in the CREATE +** VIRTUAL TABLE statement. +** ** zContent: ** ** zContentRowid: @@ -208679,6 +226572,7 @@ struct Fts5Config { int nPrefix; /* Number of prefix indexes */ int *aPrefix; /* Sizes in bytes of nPrefix prefix indexes */ int eContent; /* An FTS5_CONTENT value */ + int bContentlessDelete; /* "contentless_delete=" option (dflt==0) */ char *zContent; /* content table */ char *zContentRowid; /* "content_rowid=" option value */ int bColumnsize; /* "columnsize=" option value (dflt==1) */ @@ -208687,8 +226581,10 @@ struct Fts5Config { Fts5Tokenizer *pTok; fts5_tokenizer *pTokApi; int bLock; /* True when table is preparing statement */ + int ePattern; /* FTS_PATTERN_XXX constant */ /* Values loaded from the %_config table */ + int iVersion; /* fts5 file format 'version' */ int iCookie; /* Incremented when %_config is modified */ int pgsz; /* Approximate page size used in %_data */ int nAutomerge; /* 'automerge' setting */ @@ -208697,6 +226593,8 @@ struct Fts5Config { int nHashSize; /* Bytes of memory for in-memory hash */ char *zRank; /* Name of rank function */ char *zRankArgs; /* Arguments to rank function */ + int bSecureDelete; /* 'secure-delete' */ + int nDeleteMerge; /* 'deletemerge' */ /* If non-NULL, points to sqlite3_vtab.base.zErrmsg. Often NULL. */ char **pzErrmsg; @@ -208706,18 +226604,23 @@ struct Fts5Config { #endif }; -/* Current expected value of %_config table 'version' field */ -#define FTS5_CURRENT_VERSION 4 +/* Current expected value of %_config table 'version' field. And +** the expected version if the 'secure-delete' option has ever been +** set on the table. */ +#define FTS5_CURRENT_VERSION 4 +#define FTS5_CURRENT_VERSION_SECUREDELETE 5 #define FTS5_CONTENT_NORMAL 0 #define FTS5_CONTENT_NONE 1 #define FTS5_CONTENT_EXTERNAL 2 -#define FTS5_DETAIL_FULL 0 -#define FTS5_DETAIL_NONE 1 -#define FTS5_DETAIL_COLUMNS 2 - +#define FTS5_DETAIL_FULL 0 +#define FTS5_DETAIL_NONE 1 +#define FTS5_DETAIL_COLUMNS 2 +#define FTS5_PATTERN_NONE 0 +#define FTS5_PATTERN_LIKE 65 /* matches SQLITE_INDEX_CONSTRAINT_LIKE */ +#define FTS5_PATTERN_GLOB 66 /* matches SQLITE_INDEX_CONSTRAINT_GLOB */ static int sqlite3Fts5ConfigParse( Fts5Global*, sqlite3*, int, const char **, Fts5Config**, char** @@ -208774,7 +226677,7 @@ static void sqlite3Fts5BufferAppendPrintf(int *, Fts5Buffer*, char *zFmt, ...); static char *sqlite3Fts5Mprintf(int *pRc, const char *zFmt, ...); #define fts5BufferZero(x) sqlite3Fts5BufferZero(x) -#define fts5BufferAppendVarint(a,b,c) sqlite3Fts5BufferAppendVarint(a,b,c) +#define fts5BufferAppendVarint(a,b,c) sqlite3Fts5BufferAppendVarint(a,b,(i64)c) #define fts5BufferFree(a) sqlite3Fts5BufferFree(a) #define fts5BufferAppendBlob(a,b,c,d) sqlite3Fts5BufferAppendBlob(a,b,c,d) #define fts5BufferSet(a,b,c,d) sqlite3Fts5BufferSet(a,b,c,d) @@ -208871,6 +226774,7 @@ struct Fts5IndexIter { ** above. */ #define FTS5INDEX_QUERY_SKIPEMPTY 0x0010 #define FTS5INDEX_QUERY_NOOUTPUT 0x0020 +#define FTS5INDEX_QUERY_SKIPHASH 0x0040 /* ** Create/destroy an Fts5Index object. @@ -208935,6 +226839,9 @@ static void sqlite3Fts5IndexCloseReader(Fts5Index*); */ static const char *sqlite3Fts5IterTerm(Fts5IndexIter*, int*); static int sqlite3Fts5IterNextScan(Fts5IndexIter*); +static void *sqlite3Fts5StructureRef(Fts5Index*); +static void sqlite3Fts5StructureRelease(void*); +static int sqlite3Fts5StructureTest(Fts5Index*, void*); /* @@ -208987,7 +226894,7 @@ static int sqlite3Fts5IndexSetAverages(Fts5Index *p, const u8*, int); /* ** Functions called by the storage module as part of integrity-check. */ -static int sqlite3Fts5IndexIntegrityCheck(Fts5Index*, u64 cksum); +static int sqlite3Fts5IndexIntegrityCheck(Fts5Index*, u64 cksum, int bUseCksum); /* ** Called during virtual module initialization to register UDF @@ -209010,6 +226917,9 @@ static int sqlite3Fts5IndexReset(Fts5Index *p); static int sqlite3Fts5IndexLoadConfig(Fts5Index *p); +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin); +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid); + /* ** End of interface to code in fts5_index.c. **************************************************************************/ @@ -209022,7 +226932,7 @@ static int sqlite3Fts5GetVarintLen(u32 iVal); static u8 sqlite3Fts5GetVarint(const unsigned char*, u64*); static int sqlite3Fts5PutVarint(unsigned char *p, u64 v); -#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&b) +#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&(b)) #define fts5GetVarint sqlite3Fts5GetVarint #define fts5FastGetVarint32(a, iOff, nVal) { \ @@ -209057,8 +226967,7 @@ static int sqlite3Fts5GetTokenizer( Fts5Global*, const char **azArg, int nArg, - Fts5Tokenizer**, - fts5_tokenizer**, + Fts5Config*, char **pzErr ); @@ -209095,6 +227004,11 @@ static int sqlite3Fts5HashWrite( */ static void sqlite3Fts5HashClear(Fts5Hash*); +/* +** Return true if the hash is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash*); + static int sqlite3Fts5HashQuery( Fts5Hash*, /* Hash table to query */ int nPre, @@ -209116,6 +227030,7 @@ static void sqlite3Fts5HashScanEntry(Fts5Hash *, ); + /* ** End of interface to code in fts5_hash.c. **************************************************************************/ @@ -209142,7 +227057,7 @@ static int sqlite3Fts5StorageDelete(Fts5Storage *p, i64, sqlite3_value**); static int sqlite3Fts5StorageContentInsert(Fts5Storage *p, sqlite3_value**, i64*); static int sqlite3Fts5StorageIndexInsert(Fts5Storage *p, sqlite3_value**, i64); -static int sqlite3Fts5StorageIntegrity(Fts5Storage *p); +static int sqlite3Fts5StorageIntegrity(Fts5Storage *p, int iArg); static int sqlite3Fts5StorageStmt(Fts5Storage *p, int eStmt, sqlite3_stmt**, char**); static void sqlite3Fts5StorageStmtRelease(Fts5Storage *p, int eStmt, sqlite3_stmt*); @@ -209187,11 +227102,19 @@ struct Fts5Token { /* Parse a MATCH expression. */ static int sqlite3Fts5ExprNew( Fts5Config *pConfig, + int bPhraseToAnd, int iCol, /* Column on LHS of MATCH operator */ const char *zExpr, Fts5Expr **ppNew, char **pzErr ); +static int sqlite3Fts5ExprPattern( + Fts5Config *pConfig, + int bGlob, + int iCol, + const char *zText, + Fts5Expr **pp +); /* ** for(rc = sqlite3Fts5ExprFirst(pExpr, pIdx, bDesc); @@ -209300,6 +227223,10 @@ static int sqlite3Fts5AuxInit(fts5_api*); */ static int sqlite3Fts5TokenizerInit(fts5_api*); +static int sqlite3Fts5TokenizerPattern( + int (*xCreate)(void*, const char**, int, Fts5Tokenizer**), + Fts5Tokenizer *pTok +); /* ** End of interface to code in fts5_tokenizer.c. **************************************************************************/ @@ -209346,6 +227273,9 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); #define FTS5_PLUS 14 #define FTS5_STAR 15 +/* This file is automatically generated by Lemon from input grammar +** source file "fts5parse.y". +*/ /* ** 2000-05-29 ** @@ -209370,8 +227300,6 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); ** The following is the concatenation of all %include directives from the ** input grammar file: */ -/* #include */ -/* #include */ /************ Begin %include sections from the grammar ************************/ /* #include "fts5Int.h" */ @@ -209401,11 +227329,26 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); #define fts5YYMALLOCARGTYPE u64 /**************** End of %include directives **********************************/ -/* These constants specify the various numeric values for terminal symbols -** in a format understandable to "makeheaders". This section is blank unless -** "lemon" is run with the "-m" command-line option. -***************** Begin makeheaders token definitions *************************/ -/**************** End makeheaders token definitions ***************************/ +/* These constants specify the various numeric values for terminal symbols. +***************** Begin token definitions *************************************/ +#ifndef FTS5_OR +#define FTS5_OR 1 +#define FTS5_AND 2 +#define FTS5_NOT 3 +#define FTS5_TERM 4 +#define FTS5_COLON 5 +#define FTS5_MINUS 6 +#define FTS5_LCP 7 +#define FTS5_RCP 8 +#define FTS5_STRING 9 +#define FTS5_LP 10 +#define FTS5_RP 11 +#define FTS5_CARET 12 +#define FTS5_COMMA 13 +#define FTS5_PLUS 14 +#define FTS5_STAR 15 +#endif +/**************** End token definitions ***************************************/ /* The next sections is a series of control #defines. ** various aspects of the generated parser. @@ -209686,6 +227629,7 @@ struct fts5yyParser { }; typedef struct fts5yyParser fts5yyParser; +/* #include */ #ifndef NDEBUG /* #include */ static FILE *fts5yyTraceFILE = 0; @@ -210102,7 +228046,7 @@ static fts5YYACTIONTYPE fts5yy_find_shift_action( #endif /* fts5YYWILDCARD */ return fts5yy_default[stateno]; }else{ - assert( i>=0 && i=0 && i<(int)(sizeof(fts5yy_action)/sizeof(fts5yy_action[0])) ); return fts5yy_action[i]; } }while(1); @@ -210316,54 +228260,6 @@ static fts5YYACTIONTYPE fts5yy_reduce( (void)fts5yyLookahead; (void)fts5yyLookaheadToken; fts5yymsp = fts5yypParser->fts5yytos; -#ifndef NDEBUG - if( fts5yyTraceFILE && fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ){ - fts5yysize = fts5yyRuleInfoNRhs[fts5yyruleno]; - if( fts5yysize ){ - fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", - fts5yyTracePrompt, - fts5yyruleno, fts5yyRuleName[fts5yyruleno], - fts5yyrulenofts5yytos - fts5yypParser->fts5yystack)>fts5yypParser->fts5yyhwm ){ - fts5yypParser->fts5yyhwm++; - assert( fts5yypParser->fts5yyhwm == (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)); - } -#endif -#if fts5YYSTACKDEPTH>0 - if( fts5yypParser->fts5yytos>=fts5yypParser->fts5yystackEnd ){ - fts5yyStackOverflow(fts5yypParser); - /* The call to fts5yyStackOverflow() above pops the stack until it is - ** empty, causing the main parser loop to exit. So the return value - ** is never used and does not matter. */ - return 0; - } -#else - if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5yypParser->fts5yystksz-1] ){ - if( fts5yyGrowStack(fts5yypParser) ){ - fts5yyStackOverflow(fts5yypParser); - /* The call to fts5yyStackOverflow() above pops the stack until it is - ** empty, causing the main parser loop to exit. So the return value - ** is never used and does not matter. */ - return 0; - } - fts5yymsp = fts5yypParser->fts5yytos; - } -#endif - } switch( fts5yyruleno ){ /* Beginning here are the reduction cases. A typical example @@ -210666,12 +228562,56 @@ static void sqlite3Fts5Parser( } #endif - do{ + while(1){ /* Exit by "break" */ + assert( fts5yypParser->fts5yytos>=fts5yypParser->fts5yystack ); assert( fts5yyact==fts5yypParser->fts5yytos->stateno ); fts5yyact = fts5yy_find_shift_action((fts5YYCODETYPE)fts5yymajor,fts5yyact); if( fts5yyact >= fts5YY_MIN_REDUCE ){ - fts5yyact = fts5yy_reduce(fts5yypParser,fts5yyact-fts5YY_MIN_REDUCE,fts5yymajor, - fts5yyminor sqlite3Fts5ParserCTX_PARAM); + unsigned int fts5yyruleno = fts5yyact - fts5YY_MIN_REDUCE; /* Reduce by this rule */ +#ifndef NDEBUG + assert( fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ); + if( fts5yyTraceFILE ){ + int fts5yysize = fts5yyRuleInfoNRhs[fts5yyruleno]; + if( fts5yysize ){ + fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", + fts5yyTracePrompt, + fts5yyruleno, fts5yyRuleName[fts5yyruleno], + fts5yyrulenofts5yytos[fts5yysize].stateno); + }else{ + fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s.\n", + fts5yyTracePrompt, fts5yyruleno, fts5yyRuleName[fts5yyruleno], + fts5yyrulenofts5yytos - fts5yypParser->fts5yystack)>fts5yypParser->fts5yyhwm ){ + fts5yypParser->fts5yyhwm++; + assert( fts5yypParser->fts5yyhwm == + (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)); + } +#endif +#if fts5YYSTACKDEPTH>0 + if( fts5yypParser->fts5yytos>=fts5yypParser->fts5yystackEnd ){ + fts5yyStackOverflow(fts5yypParser); + break; + } +#else + if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5yypParser->fts5yystksz-1] ){ + if( fts5yyGrowStack(fts5yypParser) ){ + fts5yyStackOverflow(fts5yypParser); + break; + } + } +#endif + } + fts5yyact = fts5yy_reduce(fts5yypParser,fts5yyruleno,fts5yymajor,fts5yyminor sqlite3Fts5ParserCTX_PARAM); }else if( fts5yyact <= fts5YY_MAX_SHIFTREDUCE ){ fts5yy_shift(fts5yypParser,fts5yyact,(fts5YYCODETYPE)fts5yymajor,fts5yyminor); #ifndef fts5YYNOERRORRECOVERY @@ -210727,14 +228667,13 @@ static void sqlite3Fts5Parser( fts5yy_destructor(fts5yypParser, (fts5YYCODETYPE)fts5yymajor, &fts5yyminorunion); fts5yymajor = fts5YYNOCODE; }else{ - while( fts5yypParser->fts5yytos >= fts5yypParser->fts5yystack - && (fts5yyact = fts5yy_find_reduce_action( - fts5yypParser->fts5yytos->stateno, - fts5YYERRORSYMBOL)) > fts5YY_MAX_SHIFTREDUCE - ){ + while( fts5yypParser->fts5yytos > fts5yypParser->fts5yystack ){ + fts5yyact = fts5yy_find_reduce_action(fts5yypParser->fts5yytos->stateno, + fts5YYERRORSYMBOL); + if( fts5yyact<=fts5YY_MAX_SHIFTREDUCE ) break; fts5yy_pop_parser_stack(fts5yypParser); } - if( fts5yypParser->fts5yytos < fts5yypParser->fts5yystack || fts5yymajor==0 ){ + if( fts5yypParser->fts5yytos <= fts5yypParser->fts5yystack || fts5yymajor==0 ){ fts5yy_destructor(fts5yypParser,(fts5YYCODETYPE)fts5yymajor,&fts5yyminorunion); fts5yy_parse_failed(fts5yypParser); #ifndef fts5YYNOERRORRECOVERY @@ -210784,7 +228723,7 @@ static void sqlite3Fts5Parser( break; #endif } - }while( fts5yypParser->fts5yytos>fts5yypParser->fts5yystack ); + } #ifndef NDEBUG if( fts5yyTraceFILE ){ fts5yyStackEntry *i; @@ -210979,7 +228918,7 @@ static int fts5HighlightCb( if( tflags & FTS5_TOKEN_COLOCATED ) return SQLITE_OK; iPos = p->iPos++; - if( p->iRangeEnd>0 ){ + if( p->iRangeEnd>=0 ){ if( iPosiRangeStart || iPos>p->iRangeEnd ) return SQLITE_OK; if( p->iRangeStart && iPos==p->iRangeStart ) p->iOff = iStartOff; } @@ -210991,7 +228930,7 @@ static int fts5HighlightCb( } if( iPos==p->iter.iEnd ){ - if( p->iRangeEnd && p->iter.iStartiRangeStart ){ + if( p->iRangeEnd>=0 && p->iter.iStartiRangeStart ){ fts5HighlightAppend(&rc, p, p->zOpen, -1); } fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iEndOff - p->iOff); @@ -211002,7 +228941,7 @@ static int fts5HighlightCb( } } - if( p->iRangeEnd>0 && iPos==p->iRangeEnd ){ + if( p->iRangeEnd>=0 && iPos==p->iRangeEnd ){ fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iEndOff - p->iOff); p->iOff = iEndOff; if( iPos>=p->iter.iStart && iPositer.iEnd ){ @@ -211037,6 +228976,7 @@ static void fts5HighlightFunction( memset(&ctx, 0, sizeof(HighlightContext)); ctx.zOpen = (const char*)sqlite3_value_text(apVal[1]); ctx.zClose = (const char*)sqlite3_value_text(apVal[2]); + ctx.iRangeEnd = -1; rc = pApi->xColumnText(pFts, iCol, &ctx.zIn, &ctx.nIn); if( ctx.zIn ){ @@ -211222,6 +229162,7 @@ static void fts5SnippetFunction( iCol = sqlite3_value_int(apVal[0]); ctx.zOpen = fts5ValueToText(apVal[1]); ctx.zClose = fts5ValueToText(apVal[2]); + ctx.iRangeEnd = -1; zEllips = fts5ValueToText(apVal[3]); nToken = sqlite3_value_int(apVal[4]); @@ -211382,7 +229323,7 @@ static int fts5Bm25GetData( int rc = SQLITE_OK; /* Return code */ Fts5Bm25Data *p; /* Object to return */ - p = pApi->xGetAuxdata(pFts, 0); + p = (Fts5Bm25Data*)pApi->xGetAuxdata(pFts, 0); if( p==0 ){ int nPhrase; /* Number of phrases in query */ sqlite3_int64 nRow = 0; /* Number of rows in table */ @@ -211456,7 +229397,7 @@ static void fts5Bm25Function( ){ const double k1 = 1.2; /* Constant "k1" from BM25 formula */ const double b = 0.75; /* Constant "b" from BM25 formula */ - int rc = SQLITE_OK; /* Error code */ + int rc; /* Error code */ double score = 0.0; /* SQL function return value */ Fts5Bm25Data *pData; /* Values allocated/calculated once only */ int i; /* Iterator variable */ @@ -211488,17 +229429,15 @@ static void fts5Bm25Function( D = (double)nTok; } - /* Determine the BM25 score for the current row. */ - for(i=0; rc==SQLITE_OK && inPhrase; i++){ - score += pData->aIDF[i] * ( - ( aFreq[i] * (k1 + 1.0) ) / - ( aFreq[i] + k1 * (1 - b + b * D / pData->avgdl) ) - ); - } - - /* If no error has occurred, return the calculated score. Otherwise, - ** throw an SQL exception. */ + /* Determine and return the BM25 score for the current row. Or, if an + ** error has occurred, throw an exception. */ if( rc==SQLITE_OK ){ + for(i=0; inPhrase; i++){ + score += pData->aIDF[i] * ( + ( aFreq[i] * (k1 + 1.0) ) / + ( aFreq[i] + k1 * (1 - b + b * D / pData->avgdl) ) + ); + } sqlite3_result_double(pCtx, -1.0 * score); }else{ sqlite3_result_error_code(pCtx, rc); @@ -211599,7 +229538,6 @@ static void sqlite3Fts5BufferAppendBlob( u32 nData, const u8 *pData ){ - assert_nc( *pRc || nData>=0 ); if( nData ){ if( fts5BufferGrow(pRc, pBuf, nData) ) return; memcpy(&pBuf->p[pBuf->n], pData, nData); @@ -211709,7 +229647,7 @@ static int sqlite3Fts5PoslistNext64( return 1; }else{ i64 iOff = *piOff; - int iVal; + u32 iVal; fts5FastGetVarint32(a, i, iVal); if( iVal<=1 ){ if( iVal==0 ){ @@ -211718,15 +229656,19 @@ static int sqlite3Fts5PoslistNext64( } fts5FastGetVarint32(a, i, iVal); iOff = ((i64)iVal) << 32; + assert( iOff>=0 ); fts5FastGetVarint32(a, i, iVal); if( iVal<2 ){ /* This is a corrupt record. So stop parsing it here. */ *piOff = -1; return 1; } + *piOff = iOff + ((iVal-2) & 0x7FFFFFFF); + }else{ + *piOff = (iOff & (i64)0x7FFFFFFF<<32)+((iOff + (iVal-2)) & 0x7FFFFFFF); } - *piOff = iOff + ((iVal-2) & 0x7FFFFFFF); *pi = i; + assert_nc( *piOff>=iOff ); return 0; } } @@ -211765,14 +229707,16 @@ static void sqlite3Fts5PoslistSafeAppend( i64 *piPrev, i64 iPos ){ - static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32; - if( (iPos & colmask) != (*piPrev & colmask) ){ - pBuf->p[pBuf->n++] = 1; - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos>>32)); - *piPrev = (iPos & colmask); + if( iPos>=*piPrev ){ + static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32; + if( (iPos & colmask) != (*piPrev & colmask) ){ + pBuf->p[pBuf->n++] = 1; + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos>>32)); + *piPrev = (iPos & colmask); + } + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos-*piPrev)+2); + *piPrev = iPos; } - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos-*piPrev)+2); - *piPrev = iPos; } static int sqlite3Fts5PoslistWriterAppend( @@ -211959,6 +229903,8 @@ static void sqlite3Fts5TermsetFree(Fts5Termset *p){ #define FTS5_DEFAULT_CRISISMERGE 16 #define FTS5_DEFAULT_HASHSIZE (1024*1024) +#define FTS5_DEFAULT_DELETE_AUTOMERGE 10 /* default 10% */ + /* Maximum allowed page size */ #define FTS5_MAX_PAGE_SIZE (64*1024) @@ -212262,7 +230208,7 @@ static int fts5ConfigParseSpecial( rc = SQLITE_ERROR; }else{ rc = sqlite3Fts5GetTokenizer(pGlobal, - (const char**)azArg, (int)nArg, &pConfig->pTok, &pConfig->pTokApi, + (const char**)azArg, (int)nArg, pConfig, pzErr ); } @@ -212289,6 +230235,16 @@ static int fts5ConfigParseSpecial( return rc; } + if( sqlite3_strnicmp("contentless_delete", zCmd, nCmd)==0 ){ + if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1]!='\0' ){ + *pzErr = sqlite3_mprintf("malformed contentless_delete=... directive"); + rc = SQLITE_ERROR; + }else{ + pConfig->bContentlessDelete = (zArg[0]=='1'); + } + return rc; + } + if( sqlite3_strnicmp("content_rowid", zCmd, nCmd)==0 ){ if( pConfig->zContentRowid ){ *pzErr = sqlite3_mprintf("multiple content_rowid=... directives"); @@ -212334,9 +230290,7 @@ static int fts5ConfigParseSpecial( */ static int fts5ConfigDefaultTokenizer(Fts5Global *pGlobal, Fts5Config *pConfig){ assert( pConfig->pTok==0 && pConfig->pTokApi==0 ); - return sqlite3Fts5GetTokenizer( - pGlobal, 0, 0, &pConfig->pTok, &pConfig->pTokApi, 0 - ); + return sqlite3Fts5GetTokenizer(pGlobal, 0, 0, pConfig, 0); } /* @@ -212476,7 +230430,7 @@ static int sqlite3Fts5ConfigParse( nByte = nArg * (sizeof(char*) + sizeof(u8)); pRet->azCol = (char**)sqlite3Fts5MallocZero(&rc, nByte); - pRet->abUnindexed = (u8*)&pRet->azCol[nArg]; + pRet->abUnindexed = pRet->azCol ? (u8*)&pRet->azCol[nArg] : 0; pRet->zDb = sqlite3Fts5Strndup(&rc, azArg[1], -1); pRet->zName = sqlite3Fts5Strndup(&rc, azArg[2], -1); pRet->bColumnsize = 1; @@ -212489,6 +230443,7 @@ static int sqlite3Fts5ConfigParse( rc = SQLITE_ERROR; } + assert( (pRet->abUnindexed && pRet->azCol) || rc!=SQLITE_OK ); for(i=3; rc==SQLITE_OK && ibContentlessDelete + && pRet->eContent!=FTS5_CONTENT_NONE + ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 requires a contentless table" + ); + rc = SQLITE_ERROR; + } + + /* We only allow contentless_delete=1 if columnsize=0 is not present. + ** + ** This restriction may be removed at some point. + */ + if( rc==SQLITE_OK && pRet->bContentlessDelete && pRet->bColumnsize==0 ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 is incompatible with columnsize=0" + ); + rc = SQLITE_ERROR; + } + /* If a tokenizer= option was successfully parsed, the tokenizer has ** already been allocated. Otherwise, allocate an instance of the default ** tokenizer (unicode61) now. */ @@ -212823,6 +230805,18 @@ static int sqlite3Fts5ConfigSetValue( } } + else if( 0==sqlite3_stricmp(zKey, "deletemerge") ){ + int nVal = -1; + if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ + nVal = sqlite3_value_int(pVal); + }else{ + *pbBadkey = 1; + } + if( nVal<0 ) nVal = FTS5_DEFAULT_DELETE_AUTOMERGE; + if( nVal>100 ) nVal = 0; + pConfig->nDeleteMerge = nVal; + } + else if( 0==sqlite3_stricmp(zKey, "rank") ){ const char *zIn = (const char*)sqlite3_value_text(pVal); char *zRank; @@ -212837,6 +230831,18 @@ static int sqlite3Fts5ConfigSetValue( rc = SQLITE_OK; *pbBadkey = 1; } + } + + else if( 0==sqlite3_stricmp(zKey, "secure-delete") ){ + int bVal = -1; + if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ + bVal = sqlite3_value_int(pVal); + } + if( bVal<0 ){ + *pbBadkey = 1; + }else{ + pConfig->bSecureDelete = (bVal ? 1 : 0); + } }else{ *pbBadkey = 1; } @@ -212859,6 +230865,7 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ pConfig->nUsermerge = FTS5_DEFAULT_USERMERGE; pConfig->nCrisisMerge = FTS5_DEFAULT_CRISISMERGE; pConfig->nHashSize = FTS5_DEFAULT_HASHSIZE; + pConfig->nDeleteMerge = FTS5_DEFAULT_DELETE_AUTOMERGE; zSql = sqlite3Fts5Mprintf(&rc, zSelect, pConfig->zDb, pConfig->zName); if( zSql ){ @@ -212881,15 +230888,20 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ rc = sqlite3_finalize(p); } - if( rc==SQLITE_OK && iVersion!=FTS5_CURRENT_VERSION ){ + if( rc==SQLITE_OK + && iVersion!=FTS5_CURRENT_VERSION + && iVersion!=FTS5_CURRENT_VERSION_SECUREDELETE + ){ rc = SQLITE_ERROR; if( pConfig->pzErrmsg ){ assert( 0==*pConfig->pzErrmsg ); - *pConfig->pzErrmsg = sqlite3_mprintf( - "invalid fts5 file format (found %d, expected %d) - run 'rebuild'", - iVersion, FTS5_CURRENT_VERSION + *pConfig->pzErrmsg = sqlite3_mprintf("invalid fts5 file format " + "(found %d, expected %d or %d) - run 'rebuild'", + iVersion, FTS5_CURRENT_VERSION, FTS5_CURRENT_VERSION_SECUREDELETE ); } + }else{ + pConfig->iVersion = iVersion; } if( rc==SQLITE_OK ){ @@ -212917,6 +230929,10 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ /* #include "fts5Int.h" */ /* #include "fts5parse.h" */ +#ifndef SQLITE_FTS5_MAX_EXPR_DEPTH +# define SQLITE_FTS5_MAX_EXPR_DEPTH 256 +#endif + /* ** All token types in the generated fts5parse.h file are greater than 0. */ @@ -212957,11 +230973,17 @@ struct Fts5Expr { ** FTS5_NOT (nChild, apChild valid) ** FTS5_STRING (pNear valid) ** FTS5_TERM (pNear valid) +** +** iHeight: +** Distance from this node to furthest leaf. This is always 0 for nodes +** of type FTS5_STRING and FTS5_TERM. For all other nodes it is one +** greater than the largest child value. */ struct Fts5ExprNode { int eType; /* Node type */ int bEof; /* True at EOF */ int bNomatch; /* True if entry is not a match */ + int iHeight; /* Distance to tree leaf nodes */ /* Next method for this node. */ int (*xNext)(Fts5Expr*, Fts5ExprNode*, int, i64); @@ -213028,12 +231050,39 @@ struct Fts5Parse { int nPhrase; /* Size of apPhrase array */ Fts5ExprPhrase **apPhrase; /* Array of all phrases */ Fts5ExprNode *pExpr; /* Result of a successful parse */ + int bPhraseToAnd; /* Convert "a+b" to "a AND b" */ }; +/* +** Check that the Fts5ExprNode.iHeight variables are set correctly in +** the expression tree passed as the only argument. +*/ +#ifndef NDEBUG +static void assert_expr_depth_ok(int rc, Fts5ExprNode *p){ + if( rc==SQLITE_OK ){ + if( p->eType==FTS5_TERM || p->eType==FTS5_STRING || p->eType==0 ){ + assert( p->iHeight==0 ); + }else{ + int ii; + int iMaxChild = 0; + for(ii=0; iinChild; ii++){ + Fts5ExprNode *pChild = p->apChild[ii]; + iMaxChild = MAX(iMaxChild, pChild->iHeight); + assert_expr_depth_ok(SQLITE_OK, pChild); + } + assert( p->iHeight==iMaxChild+1 ); + } + } +} +#else +# define assert_expr_depth_ok(rc, p) +#endif + static void sqlite3Fts5ParseError(Fts5Parse *pParse, const char *zFmt, ...){ va_list ap; va_start(ap, zFmt); if( pParse->rc==SQLITE_OK ){ + assert( pParse->zErr==0 ); pParse->zErr = sqlite3_vmprintf(zFmt, ap); pParse->rc = SQLITE_ERROR; } @@ -213116,6 +231165,7 @@ static void fts5ParseFree(void *p){ sqlite3_free(p); } static int sqlite3Fts5ExprNew( Fts5Config *pConfig, /* FTS5 Configuration */ + int bPhraseToAnd, int iCol, const char *zExpr, /* Expression text */ Fts5Expr **ppNew, @@ -213131,6 +231181,7 @@ static int sqlite3Fts5ExprNew( *ppNew = 0; *pzErr = 0; memset(&sParse, 0, sizeof(sParse)); + sParse.bPhraseToAnd = bPhraseToAnd; pEngine = sqlite3Fts5ParserAlloc(fts5ParseAlloc); if( pEngine==0 ){ return SQLITE_NOMEM; } sParse.pConfig = pConfig; @@ -213141,6 +231192,8 @@ static int sqlite3Fts5ExprNew( }while( sParse.rc==SQLITE_OK && t!=FTS5_EOF ); sqlite3Fts5ParserFree(pEngine, fts5ParseFree); + assert_expr_depth_ok(sParse.rc, sParse.pExpr); + /* If the LHS of the MATCH expression was a user column, apply the ** implicit column-filter. */ if( iColnCol && sParse.pExpr && sParse.rc==SQLITE_OK ){ @@ -213173,6 +231226,7 @@ static int sqlite3Fts5ExprNew( pNew->pConfig = pConfig; pNew->apExprPhrase = sParse.apPhrase; pNew->nPhrase = sParse.nPhrase; + pNew->bDesc = 0; sParse.apPhrase = 0; } }else{ @@ -213184,6 +231238,95 @@ static int sqlite3Fts5ExprNew( return sParse.rc; } +/* +** Assuming that buffer z is at least nByte bytes in size and contains a +** valid utf-8 string, return the number of characters in the string. +*/ +static int fts5ExprCountChar(const char *z, int nByte){ + int nRet = 0; + int ii; + for(ii=0; ii=3 ){ + int jj; + zExpr[iOut++] = '"'; + for(jj=iFirst; jj0 ){ + int bAnd = 0; + if( pConfig->eDetail!=FTS5_DETAIL_FULL ){ + bAnd = 1; + if( pConfig->eDetail==FTS5_DETAIL_NONE ){ + iCol = pConfig->nCol; + } + } + zExpr[iOut] = '\0'; + rc = sqlite3Fts5ExprNew(pConfig, bAnd, iCol, zExpr, pp,pConfig->pzErrmsg); + }else{ + *pp = 0; + } + sqlite3_free(zExpr); + } + + return rc; +} + /* ** Free the expression node object passed as the only argument. */ @@ -213213,7 +231356,7 @@ static int sqlite3Fts5ExprAnd(Fts5Expr **pp1, Fts5Expr *p2){ Fts5Parse sParse; memset(&sParse, 0, sizeof(sParse)); - if( *pp1 ){ + if( *pp1 && p2 ){ Fts5Expr *p1 = *pp1; int nPhrase = p1->nPhrase + p2->nPhrase; @@ -213238,7 +231381,7 @@ static int sqlite3Fts5ExprAnd(Fts5Expr **pp1, Fts5Expr *p2){ } sqlite3_free(p2->apExprPhrase); sqlite3_free(p2); - }else{ + }else if( p2 ){ *pp1 = p2; } @@ -213254,6 +231397,7 @@ static i64 fts5ExprSynonymRowid(Fts5ExprTerm *pTerm, int bDesc, int *pbEof){ int bRetValid = 0; Fts5ExprTerm *p; + assert( pTerm ); assert( pTerm->pSynonym ); assert( bDesc==0 || bDesc==1 ); for(p=pTerm; p; p=p->pSynonym){ @@ -214321,8 +232465,8 @@ static int sqlite3Fts5ExprFirst(Fts5Expr *p, Fts5Index *pIdx, i64 iFirst, int bD } /* If the iterator is not at a real match, skip forward until it is. */ - while( pRoot->bNomatch ){ - assert( pRoot->bEof==0 && rc==SQLITE_OK ); + while( pRoot->bNomatch && rc==SQLITE_OK ){ + assert( pRoot->bEof==0 ); rc = fts5ExprNodeNext(p, pRoot, 0, 0); } return rc; @@ -214446,6 +232590,9 @@ static Fts5ExprNearset *sqlite3Fts5ParseNearset( }else{ if( pRet->nPhrase>0 ){ Fts5ExprPhrase *pLast = pRet->apPhrase[pRet->nPhrase-1]; + assert( pParse!=0 ); + assert( pParse->apPhrase!=0 ); + assert( pParse->nPhrase>=2 ); assert( pLast==pParse->apPhrase[pParse->nPhrase-2] ); if( pPhrase->nTerm==0 ){ fts5ExprPhraseFree(pPhrase); @@ -214561,6 +232708,20 @@ static void sqlite3Fts5ParseFinished(Fts5Parse *pParse, Fts5ExprNode *p){ pParse->pExpr = p; } +static int parseGrowPhraseArray(Fts5Parse *pParse){ + if( (pParse->nPhrase % 8)==0 ){ + sqlite3_int64 nByte = sizeof(Fts5ExprPhrase*) * (pParse->nPhrase + 8); + Fts5ExprPhrase **apNew; + apNew = (Fts5ExprPhrase**)sqlite3_realloc64(pParse->apPhrase, nByte); + if( apNew==0 ){ + pParse->rc = SQLITE_NOMEM; + return SQLITE_NOMEM; + } + pParse->apPhrase = apNew; + } + return SQLITE_OK; +} + /* ** This function is called by the parser to process a string token. The ** string may or may not be quoted. In any case it is tokenized and a @@ -214596,16 +232757,9 @@ static Fts5ExprPhrase *sqlite3Fts5ParseTerm( }else{ if( pAppend==0 ){ - if( (pParse->nPhrase % 8)==0 ){ - sqlite3_int64 nByte = sizeof(Fts5ExprPhrase*) * (pParse->nPhrase + 8); - Fts5ExprPhrase **apNew; - apNew = (Fts5ExprPhrase**)sqlite3_realloc64(pParse->apPhrase, nByte); - if( apNew==0 ){ - pParse->rc = SQLITE_NOMEM; - fts5ExprPhraseFree(sCtx.pPhrase); - return 0; - } - pParse->apPhrase = apNew; + if( parseGrowPhraseArray(pParse) ){ + fts5ExprPhraseFree(sCtx.pPhrase); + return 0; } pParse->nPhrase++; } @@ -214687,7 +232841,7 @@ static int sqlite3Fts5ExprClonePhrase( sCtx.pPhrase = sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprPhrase)); } - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK && ALWAYS(sCtx.pPhrase) ){ /* All the allocations succeeded. Put the expression object together. */ pNew->pIndex = pExpr->pIndex; pNew->pConfig = pExpr->pConfig; @@ -214958,9 +233112,8 @@ static void sqlite3Fts5ParseSetColset( ){ Fts5Colset *pFree = pColset; if( pParse->pConfig->eDetail==FTS5_DETAIL_NONE ){ - pParse->rc = SQLITE_ERROR; - pParse->zErr = sqlite3_mprintf( - "fts5: column queries are not supported (detail=none)" + sqlite3Fts5ParseError(pParse, + "fts5: column queries are not supported (detail=none)" ); }else{ fts5ParseSetColset(pParse, pExpr, pColset, &pFree); @@ -215002,6 +233155,7 @@ static void fts5ExprAssignXNext(Fts5ExprNode *pNode){ } static void fts5ExprAddChildren(Fts5ExprNode *p, Fts5ExprNode *pSub){ + int ii = p->nChild; if( p->eType!=FTS5_NOT && pSub->eType==p->eType ){ int nByte = sizeof(Fts5ExprNode*) * pSub->nChild; memcpy(&p->apChild[p->nChild], pSub->apChild, nByte); @@ -215010,6 +233164,71 @@ static void fts5ExprAddChildren(Fts5ExprNode *p, Fts5ExprNode *pSub){ }else{ p->apChild[p->nChild++] = pSub; } + for( ; iinChild; ii++){ + p->iHeight = MAX(p->iHeight, p->apChild[ii]->iHeight + 1); + } +} + +/* +** This function is used when parsing LIKE or GLOB patterns against +** trigram indexes that specify either detail=column or detail=none. +** It converts a phrase: +** +** abc + def + ghi +** +** into an AND tree: +** +** abc AND def AND ghi +*/ +static Fts5ExprNode *fts5ParsePhraseToAnd( + Fts5Parse *pParse, + Fts5ExprNearset *pNear +){ + int nTerm = pNear->apPhrase[0]->nTerm; + int ii; + int nByte; + Fts5ExprNode *pRet; + + assert( pNear->nPhrase==1 ); + assert( pParse->bPhraseToAnd ); + + nByte = sizeof(Fts5ExprNode) + nTerm*sizeof(Fts5ExprNode*); + pRet = (Fts5ExprNode*)sqlite3Fts5MallocZero(&pParse->rc, nByte); + if( pRet ){ + pRet->eType = FTS5_AND; + pRet->nChild = nTerm; + pRet->iHeight = 1; + fts5ExprAssignXNext(pRet); + pParse->nPhrase--; + for(ii=0; iirc, sizeof(Fts5ExprPhrase) + ); + if( pPhrase ){ + if( parseGrowPhraseArray(pParse) ){ + fts5ExprPhraseFree(pPhrase); + }else{ + pParse->apPhrase[pParse->nPhrase++] = pPhrase; + pPhrase->nTerm = 1; + pPhrase->aTerm[0].zTerm = sqlite3Fts5Strndup( + &pParse->rc, pNear->apPhrase[0]->aTerm[ii].zTerm, -1 + ); + pRet->apChild[ii] = sqlite3Fts5ParseNode(pParse, FTS5_STRING, + 0, 0, sqlite3Fts5ParseNearset(pParse, 0, pPhrase) + ); + } + } + } + + if( pParse->rc ){ + sqlite3Fts5ParseNodeFree(pRet); + pRet = 0; + }else{ + sqlite3Fts5ParseNearsetFree(pNear); + } + } + + return pRet; } /* @@ -215036,51 +233255,63 @@ static Fts5ExprNode *sqlite3Fts5ParseNode( if( eType!=FTS5_STRING && pLeft==0 ) return pRight; if( eType!=FTS5_STRING && pRight==0 ) return pLeft; - if( eType==FTS5_NOT ){ - nChild = 2; - }else if( eType==FTS5_AND || eType==FTS5_OR ){ - nChild = 2; - if( pLeft->eType==eType ) nChild += pLeft->nChild-1; - if( pRight->eType==eType ) nChild += pRight->nChild-1; - } + if( eType==FTS5_STRING + && pParse->bPhraseToAnd + && pNear->apPhrase[0]->nTerm>1 + ){ + pRet = fts5ParsePhraseToAnd(pParse, pNear); + }else{ + if( eType==FTS5_NOT ){ + nChild = 2; + }else if( eType==FTS5_AND || eType==FTS5_OR ){ + nChild = 2; + if( pLeft->eType==eType ) nChild += pLeft->nChild-1; + if( pRight->eType==eType ) nChild += pRight->nChild-1; + } - nByte = sizeof(Fts5ExprNode) + sizeof(Fts5ExprNode*)*(nChild-1); - pRet = (Fts5ExprNode*)sqlite3Fts5MallocZero(&pParse->rc, nByte); + nByte = sizeof(Fts5ExprNode) + sizeof(Fts5ExprNode*)*(nChild-1); + pRet = (Fts5ExprNode*)sqlite3Fts5MallocZero(&pParse->rc, nByte); - if( pRet ){ - pRet->eType = eType; - pRet->pNear = pNear; - fts5ExprAssignXNext(pRet); - if( eType==FTS5_STRING ){ - int iPhrase; - for(iPhrase=0; iPhrasenPhrase; iPhrase++){ - pNear->apPhrase[iPhrase]->pNode = pRet; - if( pNear->apPhrase[iPhrase]->nTerm==0 ){ - pRet->xNext = 0; - pRet->eType = FTS5_EOF; + if( pRet ){ + pRet->eType = eType; + pRet->pNear = pNear; + fts5ExprAssignXNext(pRet); + if( eType==FTS5_STRING ){ + int iPhrase; + for(iPhrase=0; iPhrasenPhrase; iPhrase++){ + pNear->apPhrase[iPhrase]->pNode = pRet; + if( pNear->apPhrase[iPhrase]->nTerm==0 ){ + pRet->xNext = 0; + pRet->eType = FTS5_EOF; + } } - } - if( pParse->pConfig->eDetail!=FTS5_DETAIL_FULL ){ - Fts5ExprPhrase *pPhrase = pNear->apPhrase[0]; - if( pNear->nPhrase!=1 - || pPhrase->nTerm>1 - || (pPhrase->nTerm>0 && pPhrase->aTerm[0].bFirst) - ){ - assert( pParse->rc==SQLITE_OK ); - pParse->rc = SQLITE_ERROR; - assert( pParse->zErr==0 ); - pParse->zErr = sqlite3_mprintf( - "fts5: %s queries are not supported (detail!=full)", - pNear->nPhrase==1 ? "phrase": "NEAR" - ); + if( pParse->pConfig->eDetail!=FTS5_DETAIL_FULL ){ + Fts5ExprPhrase *pPhrase = pNear->apPhrase[0]; + if( pNear->nPhrase!=1 + || pPhrase->nTerm>1 + || (pPhrase->nTerm>0 && pPhrase->aTerm[0].bFirst) + ){ + sqlite3Fts5ParseError(pParse, + "fts5: %s queries are not supported (detail!=full)", + pNear->nPhrase==1 ? "phrase": "NEAR" + ); + sqlite3_free(pRet); + pRet = 0; + } + } + }else{ + fts5ExprAddChildren(pRet, pLeft); + fts5ExprAddChildren(pRet, pRight); + if( pRet->iHeight>SQLITE_FTS5_MAX_EXPR_DEPTH ){ + sqlite3Fts5ParseError(pParse, + "fts5 expression tree is too large (maximum depth %d)", + SQLITE_FTS5_MAX_EXPR_DEPTH + ); sqlite3_free(pRet); pRet = 0; } } - }else{ - fts5ExprAddChildren(pRet, pLeft); - fts5ExprAddChildren(pRet, pRight); } } } @@ -215158,6 +233389,7 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( return pRet; } +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){ sqlite3_int64 nByte = 0; Fts5ExprTerm *p; @@ -215263,6 +233495,8 @@ static char *fts5ExprPrintTcl( if( zRet==0 ) return 0; } + }else if( pExpr->eType==0 ){ + zRet = sqlite3_mprintf("{}"); }else{ char const *zOp = 0; int i; @@ -215301,8 +233535,17 @@ static char *fts5ExprPrint(Fts5Config *pConfig, Fts5ExprNode *pExpr){ int iTerm; if( pNear->pColset ){ - int iCol = pNear->pColset->aiCol[0]; - zRet = fts5PrintfAppend(zRet, "%s : ", pConfig->azCol[iCol]); + int ii; + Fts5Colset *pColset = pNear->pColset; + if( pColset->nCol>1 ) zRet = fts5PrintfAppend(zRet, "{"); + for(ii=0; iinCol; ii++){ + zRet = fts5PrintfAppend(zRet, "%s%s", + pConfig->azCol[pColset->aiCol[ii]], ii==pColset->nCol-1 ? "" : " " + ); + } + if( zRet ){ + zRet = fts5PrintfAppend(zRet, "%s : ", pColset->nCol>1 ? "}" : ""); + } if( zRet==0 ) return 0; } @@ -215425,7 +233668,7 @@ static void fts5ExprFunction( rc = sqlite3Fts5ConfigParse(pGlobal, db, nConfig, azConfig, &pConfig, &zErr); if( rc==SQLITE_OK ){ - rc = sqlite3Fts5ExprNew(pConfig, pConfig->nCol, zExpr, &pExpr, &zErr); + rc = sqlite3Fts5ExprNew(pConfig, 0, pConfig->nCol, zExpr, &pExpr, &zErr); } if( rc==SQLITE_OK ){ char *zText; @@ -215515,12 +233758,14 @@ static void fts5ExprFold( sqlite3_result_int(pCtx, sqlite3Fts5UnicodeFold(iCode, bRemoveDiacritics)); } } +#endif /* if SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called during initialization to register the fts5_expr() scalar ** UDF with the SQLite handle passed as the only argument. */ static int sqlite3Fts5ExprInit(Fts5Global *pGlobal, sqlite3 *db){ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) struct Fts5ExprFunc { const char *z; void (*x)(sqlite3_context*,int,sqlite3_value**); @@ -215538,6 +233783,10 @@ static int sqlite3Fts5ExprInit(Fts5Global *pGlobal, sqlite3 *db){ struct Fts5ExprFunc *p = &aFunc[i]; rc = sqlite3_create_function(db, p->z, -1, SQLITE_UTF8, pCtx, p->x, 0, 0); } +#else + int rc = SQLITE_OK; + UNUSED_PARAM2(pGlobal,db); +#endif /* Avoid warnings indicating that sqlite3Fts5ParserTrace() and ** sqlite3Fts5ParserFallback() are unused */ @@ -215588,6 +233837,15 @@ struct Fts5PoslistPopulator { int bMiss; }; +/* +** Clear the position lists associated with all phrases in the expression +** passed as the first argument. Argument bLive is true if the expression +** might be pointing to a real entry, otherwise it has just been reset. +** +** At present this function is only used for detail=col and detail=none +** fts5 tables. This implies that all phrases must be at most 1 token +** in size, as phrase matches are not supported without detail=full. +*/ static Fts5PoslistPopulator *sqlite3Fts5ExprClearPoslists(Fts5Expr *pExpr, int bLive){ Fts5PoslistPopulator *pRet; pRet = sqlite3_malloc64(sizeof(Fts5PoslistPopulator)*pExpr->nPhrase); @@ -215597,7 +233855,7 @@ static Fts5PoslistPopulator *sqlite3Fts5ExprClearPoslists(Fts5Expr *pExpr, int b for(i=0; inPhrase; i++){ Fts5Buffer *pBuf = &pExpr->apExprPhrase[i]->poslist; Fts5ExprNode *pNode = pExpr->apExprPhrase[i]->pNode; - assert( pExpr->apExprPhrase[i]->nTerm==1 ); + assert( pExpr->apExprPhrase[i]->nTerm<=1 ); if( bLive && (pBuf->n==0 || pNode->iRowid!=pExpr->pRoot->iRowid || pNode->bEof) ){ @@ -216098,7 +234356,6 @@ static int sqlite3Fts5HashWrite( p->iCol = (pHash->eDetail==FTS5_DETAIL_FULL ? 0 : -1); } - nIncr += p->nData; }else{ /* Appending to an existing hash-entry. Check that there is enough @@ -216131,8 +234388,9 @@ static int sqlite3Fts5HashWrite( /* If this is a new rowid, append the 4-byte size field for the previous ** entry, and the new rowid for this entry. */ if( iRowid!=p->iRowid ){ + u64 iDiff = (u64)iRowid - (u64)p->iRowid; fts5HashAddPoslistSize(pHash, p, 0); - p->nData += sqlite3Fts5PutVarint(&pPtr[p->nData], iRowid - p->iRowid); + p->nData += sqlite3Fts5PutVarint(&pPtr[p->nData], iDiff); p->iRowid = iRowid; bNew = 1; p->iSzPoslist = p->nData; @@ -216148,7 +234406,7 @@ static int sqlite3Fts5HashWrite( p->bContent = 1; }else{ /* Append a new column value, if necessary */ - assert( iCol>=p->iCol ); + assert_nc( iCol>=p->iCol ); if( iCol!=p->iCol ){ if( pHash->eDetail==FTS5_DETAIL_FULL ){ pPtr[p->nData++] = 0x01; @@ -216267,7 +234525,6 @@ static int fts5HashEntrySort( pList = fts5HashEntryMerge(pList, ap[i]); } - pHash->nEntry = 0; sqlite3_free(ap); *ppSorted = pList; return SQLITE_OK; @@ -216321,6 +234578,28 @@ static int sqlite3Fts5HashScanInit( return fts5HashEntrySort(p, pTerm, nTerm, &p->pScan); } +#ifdef SQLITE_DEBUG +static int fts5HashCount(Fts5Hash *pHash){ + int nEntry = 0; + int ii; + for(ii=0; iinSlot; ii++){ + Fts5HashEntry *p = 0; + for(p=pHash->aSlot[ii]; p; p=p->pHashNext){ + nEntry++; + } + } + return nEntry; +} +#endif + +/* +** Return true if the hash table is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash *pHash){ + assert( pHash->nEntry==fts5HashCount(pHash) ); + return pHash->nEntry==0; +} + static void sqlite3Fts5HashScanNext(Fts5Hash *p){ assert( !sqlite3Fts5HashScanEof(p) ); p->pScan = p->pScan->pScanNext; @@ -216407,6 +234686,26 @@ static void sqlite3Fts5HashScanEntry( # error "FTS5_MAX_PREFIX_INDEXES is too large" #endif +#define FTS5_MAX_LEVEL 64 + +/* +** There are two versions of the format used for the structure record: +** +** 1. the legacy format, that may be read by all fts5 versions, and +** +** 2. the V2 format, which is used by contentless_delete=1 databases. +** +** Both begin with a 4-byte "configuration cookie" value. Then, a legacy +** format structure record contains a varint - the number of levels in +** the structure. Whereas a V2 structure record contains the constant +** 4 bytes [0xff 0x00 0x00 0x01]. This is unambiguous as the value of a +** varint has to be at least 16256 to begin with "0xFF". And the default +** maximum number of levels is 64. +** +** See below for more on structure record formats. +*/ +#define FTS5_STRUCTURE_V2 "\xFF\x00\x00\x01" + /* ** Details: ** @@ -216414,7 +234713,7 @@ static void sqlite3Fts5HashScanEntry( ** ** CREATE TABLE %_data(id INTEGER PRIMARY KEY, block BLOB); ** -** , contains the following 5 types of records. See the comments surrounding +** , contains the following 6 types of records. See the comments surrounding ** the FTS5_*_ROWID macros below for a description of how %_data rowids are ** assigned to each fo them. ** @@ -216423,12 +234722,12 @@ static void sqlite3Fts5HashScanEntry( ** The set of segments that make up an index - the index structure - are ** recorded in a single record within the %_data table. The record consists ** of a single 32-bit configuration cookie value followed by a list of -** SQLite varints. If the FTS table features more than one index (because -** there are one or more prefix indexes), it is guaranteed that all share -** the same cookie value. +** SQLite varints. ** -** Immediately following the configuration cookie, the record begins with -** three varints: +** If the structure record is a V2 record, the configuration cookie is +** followed by the following 4 bytes: [0xFF 0x00 0x00 0x01]. +** +** Next, the record continues with three varints: ** ** + number of levels, ** + total number of segments on all levels, @@ -216443,6 +234742,12 @@ static void sqlite3Fts5HashScanEntry( ** + first leaf page number (often 1, always greater than 0) ** + final leaf page number ** +** Then, for V2 structures only: +** +** + lower origin counter value, +** + upper origin counter value, +** + the number of tombstone hash pages. +** ** 2. The Averages Record: ** ** A single record within the %_data table. The data is a list of varints. @@ -216558,6 +234863,38 @@ static void sqlite3Fts5HashScanEntry( ** * A list of delta-encoded varints - the first rowid on each subsequent ** child page. ** +** 6. Tombstone Hash Page +** +** These records are only ever present in contentless_delete=1 tables. +** There are zero or more of these associated with each segment. They +** are used to store the tombstone rowids for rows contained in the +** associated segments. +** +** The set of nHashPg tombstone hash pages associated with a single +** segment together form a single hash table containing tombstone rowids. +** To find the page of the hash on which a key might be stored: +** +** iPg = (rowid % nHashPg) +** +** Then, within page iPg, which has nSlot slots: +** +** iSlot = (rowid / nHashPg) % nSlot +** +** Each tombstone hash page begins with an 8 byte header: +** +** 1-byte: Key-size (the size in bytes of each slot). Either 4 or 8. +** 1-byte: rowid-0-tombstone flag. This flag is only valid on the +** first tombstone hash page for each segment (iPg=0). If set, +** the hash table contains rowid 0. If clear, it does not. +** Rowid 0 is handled specially. +** 2-bytes: unused. +** 4-bytes: Big-endian integer containing number of entries on page. +** +** Following this are nSlot 4 or 8 byte slots (depending on the key-size +** in the first byte of the page header). The number of slots may be +** determined based on the size of the page record and the key-size: +** +** nSlot = (nByte - 8) / key-size */ /* @@ -216591,6 +234928,7 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_SEGMENT_ROWID(segid, pgno) fts5_dri(segid, 0, 0, pgno) #define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno) +#define FTS5_TOMBSTONE_ROWID(segid,ipg) fts5_dri(segid+(1<<16), 0, 0, ipg) #ifdef SQLITE_DEBUG static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; } @@ -216626,6 +234964,12 @@ struct Fts5Data { /* ** One object per %_data table. +** +** nContentlessDelete: +** The number of contentless delete operations since the most recent +** call to fts5IndexFlush() or fts5IndexDiscardData(). This is tracked +** so that extra auto-merge work can be done by fts5IndexFlush() to +** account for the delete operations. */ struct Fts5Index { Fts5Config *pConfig; /* Virtual table configuration */ @@ -216640,6 +234984,8 @@ struct Fts5Index { int nPendingData; /* Current bytes of pending data */ i64 iWriteRowid; /* Rowid for current doc being written */ int bDelete; /* Current write is a delete */ + int nContentlessDelete; /* Number of contentless delete ops */ + int nPendingRow; /* Number of INSERT in hash table */ /* Error state. */ int rc; /* Current error code */ @@ -216649,10 +234995,12 @@ struct Fts5Index { sqlite3_stmt *pWriter; /* "INSERT ... %_data VALUES(?,?)" */ sqlite3_stmt *pDeleter; /* "DELETE FROM %_data ... id>=? AND id<=?" */ sqlite3_stmt *pIdxWriter; /* "INSERT ... %_idx VALUES(?,?,?,?)" */ - sqlite3_stmt *pIdxDeleter; /* "DELETE FROM %_idx WHERE segid=? */ + sqlite3_stmt *pIdxDeleter; /* "DELETE FROM %_idx WHERE segid=?" */ sqlite3_stmt *pIdxSelect; int nRead; /* Total number of blocks read */ + sqlite3_stmt *pDeleteFromIdx; + sqlite3_stmt *pDataVersion; i64 iStructVersion; /* data_version when pStruct read */ Fts5Structure *pStruct; /* Current db structure (or NULL) */ @@ -216672,11 +235020,23 @@ struct Fts5DoclistIter { ** The contents of the "structure" record for each index are represented ** using an Fts5Structure record in memory. Which uses instances of the ** other Fts5StructureXXX types as components. +** +** nOriginCntr: +** This value is set to non-zero for structure records created for +** contentlessdelete=1 tables only. In that case it represents the +** origin value to apply to the next top-level segment created. */ struct Fts5StructureSegment { int iSegid; /* Segment id */ int pgnoFirst; /* First leaf page number in segment */ int pgnoLast; /* Last leaf page number in segment */ + + /* contentlessdelete=1 tables only: */ + u64 iOrigin1; + u64 iOrigin2; + int nPgTombstone; /* Number of tombstone hash table pages */ + u64 nEntryTombstone; /* Number of tombstone entries that "count" */ + u64 nEntry; /* Number of rows in this segment */ }; struct Fts5StructureLevel { int nMerge; /* Number of segments in incr-merge */ @@ -216686,6 +235046,7 @@ struct Fts5StructureLevel { struct Fts5Structure { int nRef; /* Object reference count */ u64 nWriteCounter; /* Total leaves written to level 0 */ + u64 nOriginCntr; /* Origin value for next top-level segment */ int nSegment; /* Total segments in this structure */ int nLevel; /* Number of levels in this index */ Fts5StructureLevel aLevel[1]; /* Array of nLevel level objects */ @@ -216745,9 +235106,6 @@ struct Fts5CResult { ** iLeafOffset: ** Byte offset within the current leaf that is the first byte of the ** position list data (one byte passed the position-list size field). -** rowid field of the current entry. Usually this is the size field of the -** position list data. The exception is if the rowid for the current entry -** is the last thing on the leaf page. ** ** pLeaf: ** Buffer containing current leaf page data. Set to NULL at EOF. @@ -216777,6 +235135,13 @@ struct Fts5CResult { ** ** iTermIdx: ** Index of current term on iTermLeafPgno. +** +** apTombstone/nTombstone: +** These are used for contentless_delete=1 tables only. When the cursor +** is first allocated, the apTombstone[] array is allocated so that it +** is large enough for all tombstones hash pages associated with the +** segment. The pages themselves are loaded lazily from the database as +** they are required. */ struct Fts5SegIter { Fts5StructureSegment *pSeg; /* Segment to iterate through */ @@ -216784,7 +235149,9 @@ struct Fts5SegIter { int iLeafPgno; /* Current leaf page number */ Fts5Data *pLeaf; /* Current leaf data */ Fts5Data *pNextLeaf; /* Leaf page (iLeafPgno+1) */ - int iLeafOffset; /* Byte offset within current leaf */ + i64 iLeafOffset; /* Byte offset within current leaf */ + Fts5Data **apTombstone; /* Array of tombstone pages */ + int nTombstone; /* Next method */ void (*xNext)(Fts5Index*, Fts5SegIter*, int*); @@ -216914,6 +235281,60 @@ static u16 fts5GetU16(const u8 *aIn){ return ((u16)aIn[0] << 8) + aIn[1]; } +/* +** The only argument points to a buffer at least 8 bytes in size. This +** function interprets the first 8 bytes of the buffer as a 64-bit big-endian +** unsigned integer and returns the result. +*/ +static u64 fts5GetU64(u8 *a){ + return ((u64)a[0] << 56) + + ((u64)a[1] << 48) + + ((u64)a[2] << 40) + + ((u64)a[3] << 32) + + ((u64)a[4] << 24) + + ((u64)a[5] << 16) + + ((u64)a[6] << 8) + + ((u64)a[7] << 0); +} + +/* +** The only argument points to a buffer at least 4 bytes in size. This +** function interprets the first 4 bytes of the buffer as a 32-bit big-endian +** unsigned integer and returns the result. +*/ +static u32 fts5GetU32(const u8 *a){ + return ((u32)a[0] << 24) + + ((u32)a[1] << 16) + + ((u32)a[2] << 8) + + ((u32)a[3] << 0); +} + +/* +** Write iVal, formated as a 64-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU64(u8 *a, u64 iVal){ + a[0] = ((iVal >> 56) & 0xFF); + a[1] = ((iVal >> 48) & 0xFF); + a[2] = ((iVal >> 40) & 0xFF); + a[3] = ((iVal >> 32) & 0xFF); + a[4] = ((iVal >> 24) & 0xFF); + a[5] = ((iVal >> 16) & 0xFF); + a[6] = ((iVal >> 8) & 0xFF); + a[7] = ((iVal >> 0) & 0xFF); +} + +/* +** Write iVal, formated as a 32-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU32(u8 *a, u32 iVal){ + a[0] = ((iVal >> 24) & 0xFF); + a[1] = ((iVal >> 16) & 0xFF); + a[2] = ((iVal >> 8) & 0xFF); + a[3] = ((iVal >> 0) & 0xFF); +} + /* ** Allocate and return a buffer at least nByte bytes in size. ** @@ -216953,8 +235374,11 @@ static int fts5BufferCompareBlob( ** res = *pLeft - *pRight */ static int fts5BufferCompare(Fts5Buffer *pLeft, Fts5Buffer *pRight){ - int nCmp = MIN(pLeft->n, pRight->n); - int res = fts5Memcmp(pLeft->p, pRight->p, nCmp); + int nCmp, res; + nCmp = MIN(pLeft->n, pRight->n); + assert( nCmp<=0 || pLeft->p!=0 ); + assert( nCmp<=0 || pRight->p!=0 ); + res = fts5Memcmp(pLeft->p, pRight->p, nCmp); return (res==0 ? (pLeft->n - pRight->n) : res); } @@ -217050,6 +235474,7 @@ static Fts5Data *fts5DataRead(Fts5Index *p, i64 iRowid){ return pRet; } + /* ** Release a reference to data record returned by an earlier call to ** fts5DataRead(). @@ -217137,10 +235562,17 @@ static void fts5DataDelete(Fts5Index *p, i64 iFirst, i64 iLast){ /* ** Remove all records associated with segment iSegid. */ -static void fts5DataRemoveSegment(Fts5Index *p, int iSegid){ +static void fts5DataRemoveSegment(Fts5Index *p, Fts5StructureSegment *pSeg){ + int iSegid = pSeg->iSegid; i64 iFirst = FTS5_SEGMENT_ROWID(iSegid, 0); i64 iLast = FTS5_SEGMENT_ROWID(iSegid+1, 0)-1; fts5DataDelete(p, iFirst, iLast); + + if( pSeg->nPgTombstone ){ + i64 iTomb1 = FTS5_TOMBSTONE_ROWID(iSegid, 0); + i64 iTomb2 = FTS5_TOMBSTONE_ROWID(iSegid, pSeg->nPgTombstone-1); + fts5DataDelete(p, iTomb1, iTomb2); + } if( p->pIdxDeleter==0 ){ Fts5Config *pConfig = p->pConfig; fts5IndexPrepareStmt(p, &p->pIdxDeleter, sqlite3_mprintf( @@ -217174,6 +235606,58 @@ static void fts5StructureRef(Fts5Structure *pStruct){ pStruct->nRef++; } +static void *sqlite3Fts5StructureRef(Fts5Index *p){ + fts5StructureRef(p->pStruct); + return (void*)p->pStruct; +} +static void sqlite3Fts5StructureRelease(void *p){ + if( p ){ + fts5StructureRelease((Fts5Structure*)p); + } +} +static int sqlite3Fts5StructureTest(Fts5Index *p, void *pStruct){ + if( p->pStruct!=(Fts5Structure*)pStruct ){ + return SQLITE_ABORT; + } + return SQLITE_OK; +} + +/* +** Ensure that structure object (*pp) is writable. +** +** This function is a no-op if (*pRc) is not SQLITE_OK when it is called. If +** an error occurs, (*pRc) is set to an SQLite error code before returning. +*/ +static void fts5StructureMakeWritable(int *pRc, Fts5Structure **pp){ + Fts5Structure *p = *pp; + if( *pRc==SQLITE_OK && p->nRef>1 ){ + i64 nByte = sizeof(Fts5Structure)+(p->nLevel-1)*sizeof(Fts5StructureLevel); + Fts5Structure *pNew; + pNew = (Fts5Structure*)sqlite3Fts5MallocZero(pRc, nByte); + if( pNew ){ + int i; + memcpy(pNew, p, nByte); + for(i=0; inLevel; i++) pNew->aLevel[i].aSeg = 0; + for(i=0; inLevel; i++){ + Fts5StructureLevel *pLvl = &pNew->aLevel[i]; + nByte = sizeof(Fts5StructureSegment) * pNew->aLevel[i].nSeg; + pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(pRc, nByte); + if( pLvl->aSeg==0 ){ + for(i=0; inLevel; i++){ + sqlite3_free(pNew->aLevel[i].aSeg); + } + sqlite3_free(pNew); + return; + } + memcpy(pLvl->aSeg, p->aLevel[i].aSeg, nByte); + } + p->nRef--; + pNew->nRef = 1; + } + *pp = pNew; + } +} + /* ** Deserialize and return the structure record currently stored in serialized ** form within buffer pData/nData. @@ -217199,11 +235683,19 @@ static int fts5StructureDecode( int nSegment = 0; sqlite3_int64 nByte; /* Bytes of space to allocate at pRet */ Fts5Structure *pRet = 0; /* Structure object to return */ + int bStructureV2 = 0; /* True for FTS5_STRUCTURE_V2 */ + u64 nOriginCntr = 0; /* Largest origin value seen so far */ /* Grab the cookie value */ if( piCookie ) *piCookie = sqlite3Fts5Get32(pData); i = 4; + /* Check if this is a V2 structure record. Set bStructureV2 if it is. */ + if( 0==memcmp(&pData[i], FTS5_STRUCTURE_V2, 4) ){ + i += 4; + bStructureV2 = 1; + } + /* Read the total number of levels and segments from the start of the ** structure record. */ i += fts5GetVarint32(&pData[i], nLevel); @@ -217250,9 +235742,18 @@ static int fts5StructureDecode( rc = FTS5_CORRUPT; break; } + assert( pSeg!=0 ); i += fts5GetVarint32(&pData[i], pSeg->iSegid); i += fts5GetVarint32(&pData[i], pSeg->pgnoFirst); i += fts5GetVarint32(&pData[i], pSeg->pgnoLast); + if( bStructureV2 ){ + i += fts5GetVarint(&pData[i], &pSeg->iOrigin1); + i += fts5GetVarint(&pData[i], &pSeg->iOrigin2); + i += fts5GetVarint32(&pData[i], pSeg->nPgTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntryTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntry); + nOriginCntr = MAX(nOriginCntr, pSeg->iOrigin2); + } if( pSeg->pgnoLastpgnoFirst ){ rc = FTS5_CORRUPT; break; @@ -217263,6 +235764,9 @@ static int fts5StructureDecode( } } if( nSegment!=0 && rc==SQLITE_OK ) rc = FTS5_CORRUPT; + if( bStructureV2 ){ + pRet->nOriginCntr = nOriginCntr+1; + } if( rc!=SQLITE_OK ){ fts5StructureRelease(pRet); @@ -217275,9 +235779,12 @@ static int fts5StructureDecode( } /* -** +** Add a level to the Fts5Structure.aLevel[] array of structure object +** (*ppStruct). */ static void fts5StructureAddLevel(int *pRc, Fts5Structure **ppStruct){ + fts5StructureMakeWritable(pRc, ppStruct); + assert( (ppStruct!=0 && (*ppStruct)!=0) || (*pRc)!=SQLITE_OK ); if( *pRc==SQLITE_OK ){ Fts5Structure *pStruct = *ppStruct; int nLevel = pStruct->nLevel; @@ -217472,6 +235979,7 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ Fts5Buffer buf; /* Buffer to serialize record into */ int iLvl; /* Used to iterate through levels */ int iCookie; /* Cookie value to store */ + int nHdr = (pStruct->nOriginCntr>0 ? (4+4+9+9+9) : (4+9+9)); assert( pStruct->nSegment==fts5StructureCountSegments(pStruct) ); memset(&buf, 0, sizeof(Fts5Buffer)); @@ -217480,9 +235988,12 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ iCookie = p->pConfig->iCookie; if( iCookie<0 ) iCookie = 0; - if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, 4+9+9+9) ){ + if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, nHdr) ){ sqlite3Fts5Put32(buf.p, iCookie); buf.n = 4; + if( pStruct->nOriginCntr>0 ){ + fts5BufferSafeAppendBlob(&buf, FTS5_STRUCTURE_V2, 4); + } fts5BufferSafeAppendVarint(&buf, pStruct->nLevel); fts5BufferSafeAppendVarint(&buf, pStruct->nSegment); fts5BufferSafeAppendVarint(&buf, (i64)pStruct->nWriteCounter); @@ -217496,9 +236007,17 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ assert( pLvl->nMerge<=pLvl->nSeg ); for(iSeg=0; iSegnSeg; iSeg++){ - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].iSegid); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoFirst); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoLast); + Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iSegid); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoFirst); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoLast); + if( pStruct->nOriginCntr>0 ){ + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin1); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin2); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nPgTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntryTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntry); + } } } @@ -217736,42 +236255,25 @@ static int fts5DlidxLvlPrev(Fts5DlidxLvl *pLvl){ pLvl->bEof = 1; }else{ u8 *a = pLvl->pData->p; - i64 iVal; - int iLimit; - int ii; - int nZero = 0; - - /* Currently iOff points to the first byte of a varint. This block - ** decrements iOff until it points to the first byte of the previous - ** varint. Taking care not to read any memory locations that occur - ** before the buffer in memory. */ - iLimit = (iOff>9 ? iOff-9 : 0); - for(iOff--; iOff>iLimit; iOff--){ - if( (a[iOff-1] & 0x80)==0 ) break; - } - - fts5GetVarint(&a[iOff], (u64*)&iVal); - pLvl->iRowid -= iVal; - pLvl->iLeafPgno--; - - /* Skip backwards past any 0x00 varints. */ - for(ii=iOff-1; ii>=pLvl->iFirstOff && a[ii]==0x00; ii--){ - nZero++; - } - if( ii>=pLvl->iFirstOff && (a[ii] & 0x80) ){ - /* The byte immediately before the last 0x00 byte has the 0x80 bit - ** set. So the last 0x00 is only a varint 0 if there are 8 more 0x80 - ** bytes before a[ii]. */ - int bZero = 0; /* True if last 0x00 counts */ - if( (ii-8)>=pLvl->iFirstOff ){ - int j; - for(j=1; j<=8 && (a[ii-j] & 0x80); j++); - bZero = (j>8); + + pLvl->iOff = 0; + fts5DlidxLvlNext(pLvl); + while( 1 ){ + int nZero = 0; + int ii = pLvl->iOff; + u64 delta = 0; + + while( a[ii]==0 ){ + nZero++; + ii++; } - if( bZero==0 ) nZero--; + ii += sqlite3Fts5GetVarint(&a[ii], &delta); + + if( ii>=iOff ) break; + pLvl->iLeafPgno += nZero+1; + pLvl->iRowid += delta; + pLvl->iOff = ii; } - pLvl->iLeafPgno -= nZero; - pLvl->iOff = iOff - nZero; } return pLvl->bEof; @@ -217964,10 +236466,10 @@ static void fts5SegIterLoadNPos(Fts5Index *p, Fts5SegIter *pIter){ static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){ u8 *a = pIter->pLeaf->p; /* Buffer to read data from */ - int iOff = pIter->iLeafOffset; + i64 iOff = pIter->iLeafOffset; ASSERT_SZLEAF_OK(pIter->pLeaf); - if( iOff>=pIter->pLeaf->szLeaf ){ + while( iOff>=pIter->pLeaf->szLeaf ){ fts5SegIterNextPage(p, pIter); if( pIter->pLeaf==0 ){ if( p->rc==SQLITE_OK ) p->rc = FTS5_CORRUPT; @@ -217997,7 +236499,7 @@ static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){ */ static void fts5SegIterLoadTerm(Fts5Index *p, Fts5SegIter *pIter, int nKeep){ u8 *a = pIter->pLeaf->p; /* Buffer to read data from */ - int iOff = pIter->iLeafOffset; /* Offset to read at */ + i64 iOff = pIter->iLeafOffset; /* Offset to read at */ int nNew; /* Bytes of new data */ iOff += fts5GetVarint32(&a[iOff], nNew); @@ -218038,6 +236540,23 @@ static void fts5SegIterSetNext(Fts5Index *p, Fts5SegIter *pIter){ } } +/* +** Allocate a tombstone hash page array (pIter->apTombstone) for the +** iterator passed as the second argument. If an OOM error occurs, leave +** an error in the Fts5Index object. +*/ +static void fts5SegIterAllocTombstone(Fts5Index *p, Fts5SegIter *pIter){ + const int nTomb = pIter->pSeg->nPgTombstone; + if( nTomb>0 ){ + Fts5Data **apTomb = 0; + apTomb = (Fts5Data**)sqlite3Fts5MallocZero(&p->rc, sizeof(Fts5Data)*nTomb); + if( apTomb ){ + pIter->apTombstone = apTomb; + pIter->nTombstone = nTomb; + } + } +} + /* ** Initialize the iterator object pIter to iterate through the entries in ** segment pSeg. The iterator is left pointing to the first entry when @@ -218066,16 +236585,20 @@ static void fts5SegIterInit( fts5SegIterSetNext(p, pIter); pIter->pSeg = pSeg; pIter->iLeafPgno = pSeg->pgnoFirst-1; - fts5SegIterNextPage(p, pIter); + do { + fts5SegIterNextPage(p, pIter); + }while( p->rc==SQLITE_OK && pIter->pLeaf && pIter->pLeaf->nn==4 ); } - if( p->rc==SQLITE_OK ){ + if( p->rc==SQLITE_OK && pIter->pLeaf ){ pIter->iLeafOffset = 4; + assert( pIter->pLeaf!=0 ); assert_nc( pIter->pLeaf->nn>4 ); assert_nc( fts5LeafFirstTermOff(pIter->pLeaf)==4 ); pIter->iPgidxOff = pIter->pLeaf->szLeaf+1; fts5SegIterLoadTerm(p, pIter, 0); fts5SegIterLoadNPos(p, pIter); + fts5SegIterAllocTombstone(p, pIter); } } @@ -218107,7 +236630,7 @@ static void fts5SegIterReverseInitPage(Fts5Index *p, Fts5SegIter *pIter){ ASSERT_SZLEAF_OK(pIter->pLeaf); while( 1 ){ - i64 iDelta = 0; + u64 iDelta = 0; if( eDetail==FTS5_DETAIL_NONE ){ /* todo */ @@ -218122,7 +236645,7 @@ static void fts5SegIterReverseInitPage(Fts5Index *p, Fts5SegIter *pIter){ i += nPos; } if( i>=n ) break; - i += fts5GetVarint(&a[i], (u64*)&iDelta); + i += fts5GetVarint(&a[i], &iDelta); pIter->iRowid += iDelta; /* If necessary, grow the pIter->aRowidOffset[] array. */ @@ -218173,8 +236696,12 @@ static void fts5SegIterReverseNewPage(Fts5Index *p, Fts5SegIter *pIter){ int iRowidOff; iRowidOff = fts5LeafFirstRowidOff(pNew); if( iRowidOff ){ - pIter->pLeaf = pNew; - pIter->iLeafOffset = iRowidOff; + if( iRowidOff>=pNew->szLeaf ){ + p->rc = FTS5_CORRUPT; + }else{ + pIter->pLeaf = pNew; + pIter->iLeafOffset = iRowidOff; + } } } @@ -218221,7 +236748,7 @@ static void fts5SegIterNext_Reverse( if( pIter->iRowidOffset>0 ){ u8 *a = pIter->pLeaf->p; int iOff; - i64 iDelta; + u64 iDelta; pIter->iRowidOffset--; pIter->iLeafOffset = pIter->aRowidOffset[pIter->iRowidOffset]; @@ -218230,7 +236757,7 @@ static void fts5SegIterNext_Reverse( if( p->pConfig->eDetail!=FTS5_DETAIL_NONE ){ iOff += pIter->nPos; } - fts5GetVarint(&a[iOff], (u64*)&iDelta); + fts5GetVarint(&a[iOff], &iDelta); pIter->iRowid -= iDelta; }else{ fts5SegIterReverseNewPage(p, pIter); @@ -218258,7 +236785,7 @@ static void fts5SegIterNext_None( iOff = pIter->iLeafOffset; /* Next entry is on the next page */ - if( pIter->pSeg && iOff>=pIter->pLeaf->szLeaf ){ + while( pIter->pSeg && iOff>=pIter->pLeaf->szLeaf ){ fts5SegIterNextPage(p, pIter); if( p->rc || pIter->pLeaf==0 ) return; pIter->iRowid = 0; @@ -218423,14 +236950,9 @@ static void fts5SegIterNext( }else{ /* The following could be done by calling fts5SegIterLoadNPos(). But ** this block is particularly performance critical, so equivalent - ** code is inlined. - ** - ** Later: Switched back to fts5SegIterLoadNPos() because it supports - ** detail=none mode. Not ideal. - */ + ** code is inlined. */ int nSz; - assert( p->rc==SQLITE_OK ); - assert( pIter->iLeafOffset<=pIter->pLeaf->nn ); + assert_nc( pIter->iLeafOffset<=pIter->pLeaf->nn ); fts5FastGetVarint32(pIter->pLeaf->p, pIter->iLeafOffset, nSz); pIter->bDel = (nSz & 0x0001); pIter->nPos = nSz>>1; @@ -218456,10 +236978,10 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ Fts5Data *pLast = 0; int pgnoLast = 0; - if( pDlidx ){ + if( pDlidx && p->pConfig->iVersion==FTS5_CURRENT_VERSION ){ int iSegid = pIter->pSeg->iSegid; pgnoLast = fts5DlidxIterPgno(pDlidx); - pLast = fts5DataRead(p, FTS5_SEGMENT_ROWID(iSegid, pgnoLast)); + pLast = fts5LeafRead(p, FTS5_SEGMENT_ROWID(iSegid, pgnoLast)); }else{ Fts5Data *pLeaf = pIter->pLeaf; /* Current leaf data */ @@ -218486,7 +237008,7 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ ** forward to find the page containing the last rowid. */ for(pgno=pIter->iLeafPgno+1; !p->rc && pgno<=pSeg->pgnoLast; pgno++){ i64 iAbs = FTS5_SEGMENT_ROWID(pSeg->iSegid, pgno); - Fts5Data *pNew = fts5DataRead(p, iAbs); + Fts5Data *pNew = fts5LeafRead(p, iAbs); if( pNew ){ int iRowid, bTermless; iRowid = fts5LeafFirstRowidOff(pNew); @@ -218517,6 +237039,10 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ pIter->pLeaf = pLast; pIter->iLeafPgno = pgnoLast; iOff = fts5LeafFirstRowidOff(pLast); + if( iOff>pLast->szLeaf ){ + p->rc = FTS5_CORRUPT; + return; + } iOff += fts5GetVarint(&pLast->p[iOff], (u64*)&pIter->iRowid); pIter->iLeafOffset = iOff; @@ -218525,7 +237051,6 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ }else{ pIter->iEndofDoclist = fts5LeafFirstTermOff(pLast); } - } fts5SegIterReverseInitPage(p, pIter); @@ -218577,21 +237102,20 @@ static void fts5LeafSeek( Fts5SegIter *pIter, /* Iterator to seek */ const u8 *pTerm, int nTerm /* Term to search for */ ){ - int iOff; + u32 iOff; const u8 *a = pIter->pLeaf->p; - int szLeaf = pIter->pLeaf->szLeaf; - int n = pIter->pLeaf->nn; + u32 n = (u32)pIter->pLeaf->nn; u32 nMatch = 0; u32 nKeep = 0; u32 nNew = 0; u32 iTermOff; - int iPgidx; /* Current offset in pgidx */ + u32 iPgidx; /* Current offset in pgidx */ int bEndOfPage = 0; assert( p->rc==SQLITE_OK ); - iPgidx = szLeaf; + iPgidx = (u32)pIter->pLeaf->szLeaf; iPgidx += fts5GetVarint32(&a[iPgidx], iTermOff); iOff = iTermOff; if( iOff>n ){ @@ -218657,15 +237181,15 @@ static void fts5LeafSeek( if( pIter->pLeaf==0 ) return; a = pIter->pLeaf->p; if( fts5LeafIsTermless(pIter->pLeaf)==0 ){ - iPgidx = pIter->pLeaf->szLeaf; + iPgidx = (u32)pIter->pLeaf->szLeaf; iPgidx += fts5GetVarint32(&pIter->pLeaf->p[iPgidx], iOff); - if( iOff<4 || iOff>=pIter->pLeaf->szLeaf ){ + if( iOff<4 || (i64)iOff>=pIter->pLeaf->szLeaf ){ p->rc = FTS5_CORRUPT; return; }else{ nKeep = 0; iTermOff = iOff; - n = pIter->pLeaf->nn; + n = (u32)pIter->pLeaf->nn; iOff += fts5GetVarint32(&a[iOff], nNew); break; } @@ -218776,6 +237300,7 @@ static void fts5SegIterSeekInit( } fts5SegIterSetNext(p, pIter); + fts5SegIterAllocTombstone(p, pIter); /* Either: ** @@ -218856,6 +237381,20 @@ static void fts5SegIterHashInit( fts5SegIterSetNext(p, pIter); } +/* +** Array ap[] contains n elements. Release each of these elements using +** fts5DataRelease(). Then free the array itself using sqlite3_free(). +*/ +static void fts5IndexFreeArray(Fts5Data **ap, int n){ + if( ap ){ + int ii; + for(ii=0; iiterm); fts5DataRelease(pIter->pLeaf); fts5DataRelease(pIter->pNextLeaf); + fts5IndexFreeArray(pIter->apTombstone, pIter->nTombstone); fts5DlidxIterFree(pIter->pDlidx); sqlite3_free(pIter->aRowidOffset); memset(pIter, 0, sizeof(Fts5SegIter)); @@ -219015,7 +237555,8 @@ static int fts5MultiIterDoCompare(Fts5Iter *pIter, int iOut){ /* ** Move the seg-iter so that it points to the first rowid on page iLeafPgno. -** It is an error if leaf iLeafPgno does not exist or contains no rowids. +** It is an error if leaf iLeafPgno does not exist. Unless the db is +** a 'secure-delete' db, if it contains no rowids then this is also an error. */ static void fts5SegIterGotoPage( Fts5Index *p, /* FTS5 backend object */ @@ -219030,21 +237571,23 @@ static void fts5SegIterGotoPage( fts5DataRelease(pIter->pNextLeaf); pIter->pNextLeaf = 0; pIter->iLeafPgno = iLeafPgno-1; - fts5SegIterNextPage(p, pIter); - assert( p->rc!=SQLITE_OK || pIter->iLeafPgno==iLeafPgno ); - if( p->rc==SQLITE_OK ){ + while( p->rc==SQLITE_OK ){ int iOff; - u8 *a = pIter->pLeaf->p; - int n = pIter->pLeaf->szLeaf; - + fts5SegIterNextPage(p, pIter); + if( pIter->pLeaf==0 ) break; iOff = fts5LeafFirstRowidOff(pIter->pLeaf); - if( iOff<4 || iOff>=n ){ - p->rc = FTS5_CORRUPT; - }else{ - iOff += fts5GetVarint(&a[iOff], (u64*)&pIter->iRowid); - pIter->iLeafOffset = iOff; - fts5SegIterLoadNPos(p, pIter); + if( iOff>0 ){ + u8 *a = pIter->pLeaf->p; + int n = pIter->pLeaf->szLeaf; + if( iOff<4 || iOff>=n ){ + p->rc = FTS5_CORRUPT; + }else{ + iOff += fts5GetVarint(&a[iOff], (u64*)&pIter->iRowid); + pIter->iLeafOffset = iOff; + fts5SegIterLoadNPos(p, pIter); + } + break; } } } @@ -219197,6 +237740,84 @@ static void fts5MultiIterSetEof(Fts5Iter *pIter){ pIter->iSwitchRowid = pSeg->iRowid; } +/* +** The argument to this macro must be an Fts5Data structure containing a +** tombstone hash page. This macro returns the key-size of the hash-page. +*/ +#define TOMBSTONE_KEYSIZE(pPg) (pPg->p[0]==4 ? 4 : 8) + +#define TOMBSTONE_NSLOT(pPg) \ + ((pPg->nn > 16) ? ((pPg->nn-8) / TOMBSTONE_KEYSIZE(pPg)) : 1) + +/* +** Query a single tombstone hash table for rowid iRowid. Return true if +** it is found or false otherwise. The tombstone hash table is one of +** nHashTable tables. +*/ +static int fts5IndexTombstoneQuery( + Fts5Data *pHash, /* Hash table page to query */ + int nHashTable, /* Number of pages attached to segment */ + u64 iRowid /* Rowid to query hash for */ +){ + const int szKey = TOMBSTONE_KEYSIZE(pHash); + const int nSlot = TOMBSTONE_NSLOT(pHash); + int iSlot = (iRowid / nHashTable) % nSlot; + int nCollide = nSlot; + + if( iRowid==0 ){ + return pHash->p[1]; + }else if( szKey==4 ){ + u32 *aSlot = (u32*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU32((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + }else{ + u64 *aSlot = (u64*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU64((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + } + + return 0; +} + +/* +** Return true if the iterator passed as the only argument points +** to an segment entry for which there is a tombstone. Return false +** if there is no tombstone or if the iterator is already at EOF. +*/ +static int fts5MultiIterIsDeleted(Fts5Iter *pIter){ + int iFirst = pIter->aFirst[1].iFirst; + Fts5SegIter *pSeg = &pIter->aSeg[iFirst]; + + if( pSeg->pLeaf && pSeg->nTombstone ){ + /* Figure out which page the rowid might be present on. */ + int iPg = ((u64)pSeg->iRowid) % pSeg->nTombstone; + assert( iPg>=0 ); + + /* If tombstone hash page iPg has not yet been loaded from the + ** database, load it now. */ + if( pSeg->apTombstone[iPg]==0 ){ + pSeg->apTombstone[iPg] = fts5DataRead(pIter->pIndex, + FTS5_TOMBSTONE_ROWID(pSeg->pSeg->iSegid, iPg) + ); + if( pSeg->apTombstone[iPg]==0 ) return 0; + } + + return fts5IndexTombstoneQuery( + pSeg->apTombstone[iPg], + pSeg->nTombstone, + pSeg->iRowid + ); + } + + return 0; +} + /* ** Move the iterator to the next entry. ** @@ -219234,7 +237855,9 @@ static void fts5MultiIterNext( fts5AssertMultiIterSetup(p, pIter); assert( pSeg==&pIter->aSeg[pIter->aFirst[1].iFirst] && pSeg->pLeaf ); - if( pIter->bSkipEmpty==0 || pSeg->nPos ){ + if( (pIter->bSkipEmpty==0 || pSeg->nPos) + && 0==fts5MultiIterIsDeleted(pIter) + ){ pIter->xSetOutputs(pIter, pSeg); return; } @@ -219266,7 +237889,9 @@ static void fts5MultiIterNext2( } fts5AssertMultiIterSetup(p, pIter); - }while( fts5MultiIterIsEmpty(p, pIter) ); + }while( (fts5MultiIterIsEmpty(p, pIter) || fts5MultiIterIsDeleted(pIter)) + && (p->rc==SQLITE_OK) + ); } } @@ -219422,7 +238047,7 @@ static void fts5ChunkIterate( int pgno = pSeg->iLeafPgno; int pgnoSave = 0; - /* This function does notmwork with detail=none databases. */ + /* This function does not work with detail=none databases. */ assert( p->pConfig->eDetail!=FTS5_DETAIL_NONE ); if( (pSeg->flags & FTS5_SEGITER_REVERSE)==0 ){ @@ -219435,6 +238060,9 @@ static void fts5ChunkIterate( fts5DataRelease(pData); if( nRem<=0 ){ break; + }else if( pSeg->pSeg==0 ){ + p->rc = FTS5_CORRUPT; + return; }else{ pgno++; pData = fts5LeafRead(p, FTS5_SEGMENT_ROWID(pSeg->pSeg->iSegid, pgno)); @@ -219462,7 +238090,11 @@ static void fts5SegiterPoslist( Fts5Colset *pColset, Fts5Buffer *pBuf ){ + assert( pBuf!=0 ); + assert( pSeg!=0 ); if( 0==fts5BufferGrow(&p->rc, pBuf, pSeg->nPos+FTS5_DATA_ZERO_PADDING) ){ + assert( pBuf->p!=0 ); + assert( pBuf->nSpace >= pBuf->n+pSeg->nPos+FTS5_DATA_ZERO_PADDING ); memset(&pBuf->p[pBuf->n+pSeg->nPos], 0, FTS5_DATA_ZERO_PADDING); if( pColset==0 ){ fts5ChunkIterate(p, pSeg, (void*)pBuf, fts5PoslistCallback); @@ -219486,66 +238118,72 @@ static void fts5SegiterPoslist( } /* -** IN/OUT parameter (*pa) points to a position list n bytes in size. If -** the position list contains entries for column iCol, then (*pa) is set -** to point to the sub-position-list for that column and the number of -** bytes in it returned. Or, if the argument position list does not -** contain any entries for column iCol, return 0. +** Parameter pPos points to a buffer containing a position list, size nPos. +** This function filters it according to pColset (which must be non-NULL) +** and sets pIter->base.pData/nData to point to the new position list. +** If memory is required for the new position list, use buffer pIter->poslist. +** Or, if the new position list is a contiguous subset of the input, set +** pIter->base.pData/nData to point directly to it. +** +** This function is a no-op if *pRc is other than SQLITE_OK when it is +** called. If an OOM error is encountered, *pRc is set to SQLITE_NOMEM +** before returning. */ -static int fts5IndexExtractCol( - const u8 **pa, /* IN/OUT: Pointer to poslist */ - int n, /* IN: Size of poslist in bytes */ - int iCol /* Column to extract from poslist */ -){ - int iCurrent = 0; /* Anything before the first 0x01 is col 0 */ - const u8 *p = *pa; - const u8 *pEnd = &p[n]; /* One byte past end of position list */ - - while( iCol>iCurrent ){ - /* Advance pointer p until it points to pEnd or an 0x01 byte that is - ** not part of a varint. Note that it is not possible for a negative - ** or extremely large varint to occur within an uncorrupted position - ** list. So the last byte of each varint may be assumed to have a clear - ** 0x80 bit. */ - while( *p!=0x01 ){ - while( *p++ & 0x80 ); - if( p>=pEnd ) return 0; - } - *pa = p++; - iCurrent = *p++; - if( iCurrent & 0x80 ){ - p--; - p += fts5GetVarint32(p, iCurrent); - } - } - if( iCol!=iCurrent ) return 0; - - /* Advance pointer p until it points to pEnd or an 0x01 byte that is - ** not part of a varint */ - while( pnCol; i++){ - const u8 *pSub = pPos; - int nSub = fts5IndexExtractCol(&pSub, nPos, pColset->aiCol[i]); - if( nSub ){ - fts5BufferAppendBlob(pRc, pBuf, nSub, pSub); + const u8 *p = pPos; + const u8 *aCopy = p; + const u8 *pEnd = &p[nPos]; /* One byte past end of position list */ + int i = 0; + int iCurrent = 0; + + if( pColset->nCol>1 && sqlite3Fts5BufferSize(pRc, &pIter->poslist, nPos) ){ + return; + } + + while( 1 ){ + while( pColset->aiCol[i]nCol ){ + pIter->base.pData = pIter->poslist.p; + pIter->base.nData = pIter->poslist.n; + return; + } + } + + /* Advance pointer p until it points to pEnd or an 0x01 byte that is + ** not part of a varint */ + while( paiCol[i]==iCurrent ){ + if( pColset->nCol==1 ){ + pIter->base.pData = aCopy; + pIter->base.nData = p-aCopy; + return; + } + fts5BufferSafeAppendBlob(&pIter->poslist, aCopy, p-aCopy); + } + if( p>=pEnd ){ + pIter->base.pData = pIter->poslist.p; + pIter->base.nData = pIter->poslist.n; + return; + } + aCopy = p++; + iCurrent = *p++; + if( iCurrent & 0x80 ){ + p--; + p += fts5GetVarint32(p, iCurrent); } } } + } /* @@ -219665,16 +238303,9 @@ static void fts5IterSetOutputs_Full(Fts5Iter *pIter, Fts5SegIter *pSeg){ /* All data is stored on the current page. Populate the output ** variables to point into the body of the page object. */ const u8 *a = &pSeg->pLeaf->p[pSeg->iLeafOffset]; - if( pColset->nCol==1 ){ - pIter->base.nData = fts5IndexExtractCol(&a, pSeg->nPos,pColset->aiCol[0]); - pIter->base.pData = a; - }else{ - int *pRc = &pIter->pIndex->rc; - fts5BufferZero(&pIter->poslist); - fts5IndexExtractColset(pRc, pColset, a, pSeg->nPos, &pIter->poslist); - pIter->base.pData = pIter->poslist.p; - pIter->base.nData = pIter->poslist.n; - } + int *pRc = &pIter->pIndex->rc; + fts5BufferZero(&pIter->poslist); + fts5IndexExtractColset(pRc, pColset, a, pSeg->nPos, pIter); }else{ /* The data is distributed over two or more pages. Copy it into the ** Fts5Iter.poslist buffer and then set the output pointer to point @@ -219687,6 +238318,7 @@ static void fts5IterSetOutputs_Full(Fts5Iter *pIter, Fts5SegIter *pSeg){ } static void fts5IterSetOutputCb(int *pRc, Fts5Iter *pIter){ + assert( pIter!=0 || (*pRc)!=SQLITE_OK ); if( *pRc==SQLITE_OK ){ Fts5Config *pConfig = pIter->pIndex->pConfig; if( pConfig->eDetail==FTS5_DETAIL_NONE ){ @@ -219752,13 +238384,16 @@ static void fts5MultiIterNew( if( iLevel<0 ){ assert( pStruct->nSegment==fts5StructureCountSegments(pStruct) ); nSeg = pStruct->nSegment; - nSeg += (p->pHash ? 1 : 0); + nSeg += (p->pHash && 0==(flags & FTS5INDEX_QUERY_SKIPHASH)); }else{ nSeg = MIN(pStruct->aLevel[iLevel].nSeg, nSegment); } } *ppOut = pNew = fts5MultiIterAlloc(p, nSeg); - if( pNew==0 ) return; + if( pNew==0 ){ + assert( p->rc!=SQLITE_OK ); + goto fts5MultiIterNew_post_check; + } pNew->bRev = (0!=(flags & FTS5INDEX_QUERY_DESC)); pNew->bSkipEmpty = (0!=(flags & FTS5INDEX_QUERY_SKIPEMPTY)); pNew->pColset = pColset; @@ -219770,7 +238405,7 @@ static void fts5MultiIterNew( if( p->rc==SQLITE_OK ){ if( iLevel<0 ){ Fts5StructureLevel *pEnd = &pStruct->aLevel[pStruct->nLevel]; - if( p->pHash ){ + if( p->pHash && 0==(flags & FTS5INDEX_QUERY_SKIPHASH) ){ /* Add a segment iterator for the current contents of the hash table. */ Fts5SegIter *pIter = &pNew->aSeg[iIter++]; fts5SegIterHashInit(p, pTerm, nTerm, flags, pIter); @@ -219811,7 +238446,9 @@ static void fts5MultiIterNew( fts5MultiIterSetEof(pNew); fts5AssertMultiIterSetup(p, pNew); - if( pNew->bSkipEmpty && fts5MultiIterIsEmpty(p, pNew) ){ + if( (pNew->bSkipEmpty && fts5MultiIterIsEmpty(p, pNew)) + || fts5MultiIterIsDeleted(pNew) + ){ fts5MultiIterNext(p, pNew, 0, 0); }else if( pNew->base.bEof==0 ){ Fts5SegIter *pSeg = &pNew->aSeg[pNew->aFirst[1].iFirst]; @@ -219822,6 +238459,10 @@ static void fts5MultiIterNew( fts5MultiIterFree(pNew); *ppOut = 0; } + +fts5MultiIterNew_post_check: + assert( (*ppOut)!=0 || p->rc!=SQLITE_OK ); + return; } /* @@ -219869,7 +238510,8 @@ static void fts5MultiIterNew2( ** False otherwise. */ static int fts5MultiIterEof(Fts5Index *p, Fts5Iter *pIter){ - assert( p->rc + assert( pIter!=0 || p->rc!=SQLITE_OK ); + assert( p->rc!=SQLITE_OK || (pIter->aSeg[ pIter->aFirst[1].iFirst ].pLeaf==0)==pIter->base.bEof ); return (p->rc || pIter->base.bEof); @@ -219984,7 +238626,9 @@ static void fts5IndexDiscardData(Fts5Index *p){ if( p->pHash ){ sqlite3Fts5HashClear(p->pHash); p->nPendingData = 0; + p->nPendingRow = 0; } + p->nContentlessDelete = 0; } /* @@ -220365,7 +239009,9 @@ static void fts5WriteAppendRowid( fts5BufferAppendVarint(&p->rc, &pPage->buf, iRowid); }else{ assert_nc( p->rc || iRowid>pWriter->iPrevRowid ); - fts5BufferAppendVarint(&p->rc, &pPage->buf, iRowid - pWriter->iPrevRowid); + fts5BufferAppendVarint(&p->rc, &pPage->buf, + (u64)iRowid - (u64)pWriter->iPrevRowid + ); } pWriter->iPrevRowid = iRowid; pWriter->bFirstRowidInDoclist = 0; @@ -220518,7 +239164,7 @@ static void fts5TrimSegments(Fts5Index *p, Fts5Iter *pIter){ fts5BufferAppendBlob(&p->rc, &buf, sizeof(aHdr), aHdr); fts5BufferAppendVarint(&p->rc, &buf, pSeg->term.n); fts5BufferAppendBlob(&p->rc, &buf, pSeg->term.n, pSeg->term.p); - fts5BufferAppendBlob(&p->rc, &buf, pData->szLeaf-iOff,&pData->p[iOff]); + fts5BufferAppendBlob(&p->rc, &buf,pData->szLeaf-iOff,&pData->p[iOff]); if( p->rc==SQLITE_OK ){ /* Set the szLeaf field */ fts5PutU16(&buf.p[2], (u16)buf.n); @@ -220619,6 +239265,12 @@ static void fts5IndexMergeLevel( /* Read input from all segments in the input level */ nInput = pLvl->nSeg; + + /* Set the range of origins that will go into the output segment. */ + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pLvl->aSeg[0].iOrigin1; + pSeg->iOrigin2 = pLvl->aSeg[pLvl->nSeg-1].iOrigin2; + } } bOldest = (pLvlOut->nSeg==1 && pStruct->nLevel==iLvl+2); @@ -220673,12 +239325,16 @@ static void fts5IndexMergeLevel( ** and last leaf page number at the same time. */ fts5WriteFinish(p, &writer, &pSeg->pgnoLast); + assert( pIter!=0 || p->rc!=SQLITE_OK ); if( fts5MultiIterEof(p, pIter) ){ int i; /* Remove the redundant segments from the %_data table */ + assert( pSeg->nEntry==0 ); for(i=0; iaSeg[i].iSegid); + Fts5StructureSegment *pOld = &pLvl->aSeg[i]; + pSeg->nEntry += (pOld->nEntry - pOld->nEntryTombstone); + fts5DataRemoveSegment(p, pOld); } /* Remove the redundant segments from the input level */ @@ -220704,6 +239360,43 @@ static void fts5IndexMergeLevel( if( pnRem ) *pnRem -= writer.nLeafWritten; } +/* +** If this is not a contentless_delete=1 table, or if the 'deletemerge' +** configuration option is set to 0, then this function always returns -1. +** Otherwise, it searches the structure object passed as the second argument +** for a level suitable for merging due to having a large number of +** tombstones in the tombstone hash. If one is found, its index is returned. +** Otherwise, if there is no suitable level, -1. +*/ +static int fts5IndexFindDeleteMerge(Fts5Index *p, Fts5Structure *pStruct){ + Fts5Config *pConfig = p->pConfig; + int iRet = -1; + if( pConfig->bContentlessDelete && pConfig->nDeleteMerge>0 ){ + int ii; + int nBest = 0; + + for(ii=0; iinLevel; ii++){ + Fts5StructureLevel *pLvl = &pStruct->aLevel[ii]; + i64 nEntry = 0; + i64 nTomb = 0; + int iSeg; + for(iSeg=0; iSegnSeg; iSeg++){ + nEntry += pLvl->aSeg[iSeg].nEntry; + nTomb += pLvl->aSeg[iSeg].nEntryTombstone; + } + assert_nc( nEntry>0 || pLvl->nSeg==0 ); + if( nEntry>0 ){ + int nPercent = (nTomb * 100) / nEntry; + if( nPercent>=pConfig->nDeleteMerge && nPercent>nBest ){ + iRet = ii; + nBest = nPercent; + } + } + } + } + return iRet; +} + /* ** Do up to nPg pages of automerge work on the index. ** @@ -220723,14 +239416,15 @@ static int fts5IndexMerge( int iBestLvl = 0; /* Level offering the most input segments */ int nBest = 0; /* Number of input segments on best level */ - /* Set iBestLvl to the level to read input segments from. */ + /* Set iBestLvl to the level to read input segments from. Or to -1 if + ** there is no level suitable to merge segments from. */ assert( pStruct->nLevel>0 ); for(iLvl=0; iLvlnLevel; iLvl++){ Fts5StructureLevel *pLvl = &pStruct->aLevel[iLvl]; if( pLvl->nMerge ){ if( pLvl->nMerge>nBest ){ iBestLvl = iLvl; - nBest = pLvl->nMerge; + nBest = nMin; } break; } @@ -220739,22 +239433,18 @@ static int fts5IndexMerge( iBestLvl = iLvl; } } - - /* If nBest is still 0, then the index must be empty. */ -#ifdef SQLITE_DEBUG - for(iLvl=0; nBest==0 && iLvlnLevel; iLvl++){ - assert( pStruct->aLevel[iLvl].nSeg==0 ); + if( nBestaLevel[iBestLvl].nMerge==0 ){ - break; - } + if( iBestLvl<0 ) break; bRet = 1; fts5IndexMergeLevel(p, &pStruct, iBestLvl, &nRem); if( p->rc==SQLITE_OK && pStruct->aLevel[iBestLvl].nMerge==0 ){ fts5StructurePromote(p, iBestLvl+1, pStruct); } + + if( nMin==1 ) nMin = 2; } *ppStruct = pStruct; return bRet; @@ -220773,7 +239463,7 @@ static void fts5IndexAutomerge( Fts5Structure **ppStruct, /* IN/OUT: Current structure of index */ int nLeaf /* Number of output leaves just written */ ){ - if( p->rc==SQLITE_OK && p->pConfig->nAutomerge>0 ){ + if( p->rc==SQLITE_OK && p->pConfig->nAutomerge>0 && ALWAYS((*ppStruct)!=0) ){ Fts5Structure *pStruct = *ppStruct; u64 nWrite; /* Initial value of write-counter */ int nWork; /* Number of work-quanta to perform */ @@ -220795,16 +239485,16 @@ static void fts5IndexCrisismerge( ){ const int nCrisis = p->pConfig->nCrisisMerge; Fts5Structure *pStruct = *ppStruct; - int iLvl = 0; - - assert( p->rc!=SQLITE_OK || pStruct->nLevel>0 ); - while( p->rc==SQLITE_OK && pStruct->aLevel[iLvl].nSeg>=nCrisis ){ - fts5IndexMergeLevel(p, &pStruct, iLvl, 0); - assert( p->rc!=SQLITE_OK || pStruct->nLevel>(iLvl+1) ); - fts5StructurePromote(p, iLvl+1, pStruct); - iLvl++; + if( pStruct && pStruct->nLevel>0 ){ + int iLvl = 0; + while( p->rc==SQLITE_OK && pStruct->aLevel[iLvl].nSeg>=nCrisis ){ + fts5IndexMergeLevel(p, &pStruct, iLvl, 0); + assert( p->rc!=SQLITE_OK || pStruct->nLevel>(iLvl+1) ); + fts5StructurePromote(p, iLvl+1, pStruct); + iLvl++; + } + *ppStruct = pStruct; } - *ppStruct = pStruct; } static int fts5IndexReturn(Fts5Index *p){ @@ -220838,6 +239528,418 @@ static int fts5PoslistPrefix(const u8 *aBuf, int nMax){ return ret; } +/* +** Execute the SQL statement: +** +** DELETE FROM %_idx WHERE (segid, (pgno/2)) = ($iSegid, $iPgno); +** +** This is used when a secure-delete operation removes the last term +** from a segment leaf page. In that case the %_idx entry is removed +** too. This is done to ensure that if all instances of a token are +** removed from an fts5 database in secure-delete mode, no trace of +** the token itself remains in the database. +*/ +static void fts5SecureDeleteIdxEntry( + Fts5Index *p, /* FTS5 backend object */ + int iSegid, /* Id of segment to delete entry for */ + int iPgno /* Page number within segment */ +){ + if( iPgno!=1 ){ + assert( p->pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE ); + if( p->pDeleteFromIdx==0 ){ + fts5IndexPrepareStmt(p, &p->pDeleteFromIdx, sqlite3_mprintf( + "DELETE FROM '%q'.'%q_idx' WHERE (segid, (pgno/2)) = (?1, ?2)", + p->pConfig->zDb, p->pConfig->zName + )); + } + if( p->rc==SQLITE_OK ){ + sqlite3_bind_int(p->pDeleteFromIdx, 1, iSegid); + sqlite3_bind_int(p->pDeleteFromIdx, 2, iPgno); + sqlite3_step(p->pDeleteFromIdx); + p->rc = sqlite3_reset(p->pDeleteFromIdx); + } + } +} + +/* +** This is called when a secure-delete operation removes a position-list +** that overflows onto segment page iPgno of segment pSeg. This function +** rewrites node iPgno, and possibly one or more of its right-hand peers, +** to remove this portion of the position list. +** +** Output variable (*pbLastInDoclist) is set to true if the position-list +** removed is followed by a new term or the end-of-segment, or false if +** it is followed by another rowid/position list. +*/ +static void fts5SecureDeleteOverflow( + Fts5Index *p, + Fts5StructureSegment *pSeg, + int iPgno, + int *pbLastInDoclist +){ + const int bDetailNone = (p->pConfig->eDetail==FTS5_DETAIL_NONE); + int pgno; + Fts5Data *pLeaf = 0; + assert( iPgno!=1 ); + + *pbLastInDoclist = 1; + for(pgno=iPgno; p->rc==SQLITE_OK && pgno<=pSeg->pgnoLast; pgno++){ + i64 iRowid = FTS5_SEGMENT_ROWID(pSeg->iSegid, pgno); + int iNext = 0; + u8 *aPg = 0; + + pLeaf = fts5DataRead(p, iRowid); + if( pLeaf==0 ) break; + aPg = pLeaf->p; + + iNext = fts5GetU16(&aPg[0]); + if( iNext!=0 ){ + *pbLastInDoclist = 0; + } + if( iNext==0 && pLeaf->szLeaf!=pLeaf->nn ){ + fts5GetVarint32(&aPg[pLeaf->szLeaf], iNext); + } + + if( iNext==0 ){ + /* The page contains no terms or rowids. Replace it with an empty + ** page and move on to the right-hand peer. */ + const u8 aEmpty[] = {0x00, 0x00, 0x00, 0x04}; + assert_nc( bDetailNone==0 || pLeaf->nn==4 ); + if( bDetailNone==0 ) fts5DataWrite(p, iRowid, aEmpty, sizeof(aEmpty)); + fts5DataRelease(pLeaf); + pLeaf = 0; + }else if( bDetailNone ){ + break; + }else if( iNext>=pLeaf->szLeaf || pLeaf->nnszLeaf || iNext<4 ){ + p->rc = FTS5_CORRUPT; + break; + }else{ + int nShift = iNext - 4; + int nPg; + + int nIdx = 0; + u8 *aIdx = 0; + + /* Unless the current page footer is 0 bytes in size (in which case + ** the new page footer will be as well), allocate and populate a + ** buffer containing the new page footer. Set stack variables aIdx + ** and nIdx accordingly. */ + if( pLeaf->nn>pLeaf->szLeaf ){ + int iFirst = 0; + int i1 = pLeaf->szLeaf; + int i2 = 0; + + i1 += fts5GetVarint32(&aPg[i1], iFirst); + if( iFirstrc = FTS5_CORRUPT; + break; + } + aIdx = sqlite3Fts5MallocZero(&p->rc, (pLeaf->nn-pLeaf->szLeaf)+2); + if( aIdx==0 ) break; + i2 = sqlite3Fts5PutVarint(aIdx, iFirst-nShift); + if( i1nn ){ + memcpy(&aIdx[i2], &aPg[i1], pLeaf->nn-i1); + i2 += (pLeaf->nn-i1); + } + nIdx = i2; + } + + /* Modify the contents of buffer aPg[]. Set nPg to the new size + ** in bytes. The new page is always smaller than the old. */ + nPg = pLeaf->szLeaf - nShift; + memmove(&aPg[4], &aPg[4+nShift], nPg-4); + fts5PutU16(&aPg[2], nPg); + if( fts5GetU16(&aPg[0]) ) fts5PutU16(&aPg[0], 4); + if( nIdx>0 ){ + memcpy(&aPg[nPg], aIdx, nIdx); + nPg += nIdx; + } + sqlite3_free(aIdx); + + /* Write the new page to disk and exit the loop */ + assert( nPg>4 || fts5GetU16(aPg)==0 ); + fts5DataWrite(p, iRowid, aPg, nPg); + break; + } + } + fts5DataRelease(pLeaf); +} + +/* +** Completely remove the entry that pSeg currently points to from +** the database. +*/ +static void fts5DoSecureDelete( + Fts5Index *p, + Fts5SegIter *pSeg +){ + const int bDetailNone = (p->pConfig->eDetail==FTS5_DETAIL_NONE); + int iSegid = pSeg->pSeg->iSegid; + u8 *aPg = pSeg->pLeaf->p; + int nPg = pSeg->pLeaf->nn; + int iPgIdx = pSeg->pLeaf->szLeaf; + + u64 iDelta = 0; + u64 iNextDelta = 0; + int iNextOff = 0; + int iOff = 0; + int nIdx = 0; + u8 *aIdx = 0; + int bLastInDoclist = 0; + int iIdx = 0; + int iStart = 0; + int iKeyOff = 0; + int iPrevKeyOff = 0; + int iDelKeyOff = 0; /* Offset of deleted key, if any */ + + nIdx = nPg-iPgIdx; + aIdx = sqlite3Fts5MallocZero(&p->rc, nIdx+16); + if( p->rc ) return; + memcpy(aIdx, &aPg[iPgIdx], nIdx); + + /* At this point segment iterator pSeg points to the entry + ** this function should remove from the b-tree segment. + ** + ** In detail=full or detail=column mode, pSeg->iLeafOffset is the + ** offset of the first byte in the position-list for the entry to + ** remove. Immediately before this comes two varints that will also + ** need to be removed: + ** + ** + the rowid or delta rowid value for the entry, and + ** + the size of the position list in bytes. + ** + ** Or, in detail=none mode, there is a single varint prior to + ** pSeg->iLeafOffset - the rowid or delta rowid value. + ** + ** This block sets the following variables: + ** + ** iStart: + ** iDelta: + */ + { + int iSOP; + if( pSeg->iLeafPgno==pSeg->iTermLeafPgno ){ + iStart = pSeg->iTermLeafOffset; + }else{ + iStart = fts5GetU16(&aPg[0]); + } + + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + assert_nc( iSOP<=pSeg->iLeafOffset ); + + if( bDetailNone ){ + while( iSOPiLeafOffset ){ + if( aPg[iSOP]==0x00 ) iSOP++; + if( aPg[iSOP]==0x00 ) iSOP++; + iStart = iSOP; + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + } + + iNextOff = iSOP; + if( iNextOffiEndofDoclist && aPg[iNextOff]==0x00 ) iNextOff++; + if( iNextOffiEndofDoclist && aPg[iNextOff]==0x00 ) iNextOff++; + + }else{ + int nPos = 0; + iSOP += fts5GetVarint32(&aPg[iSOP], nPos); + while( iSOPiLeafOffset ){ + iStart = iSOP + (nPos/2); + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + iSOP += fts5GetVarint32(&aPg[iSOP], nPos); + } + assert_nc( iSOP==pSeg->iLeafOffset ); + iNextOff = pSeg->iLeafOffset + pSeg->nPos; + } + } + + iOff = iStart; + if( iNextOff>=iPgIdx ){ + int pgno = pSeg->iLeafPgno+1; + fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist); + iNextOff = iPgIdx; + }else{ + /* Set bLastInDoclist to true if the entry being removed is the last + ** in its doclist. */ + for(iIdx=0, iKeyOff=0; iIdxiTermLeafOffset && pSeg->iLeafPgno==pSeg->iTermLeafPgno + ){ + /* The entry being removed was the only position list in its + ** doclist. Therefore the term needs to be removed as well. */ + int iKey = 0; + for(iIdx=0, iKeyOff=0; iIdx(u32)iStart ) break; + iKeyOff += iVal; + } + + iDelKeyOff = iOff = iKeyOff; + if( iNextOff!=iPgIdx ){ + int nPrefix = 0; + int nSuffix = 0; + int nPrefix2 = 0; + int nSuffix2 = 0; + + iDelKeyOff = iNextOff; + iNextOff += fts5GetVarint32(&aPg[iNextOff], nPrefix2); + iNextOff += fts5GetVarint32(&aPg[iNextOff], nSuffix2); + + if( iKey!=1 ){ + iKeyOff += fts5GetVarint32(&aPg[iKeyOff], nPrefix); + } + iKeyOff += fts5GetVarint32(&aPg[iKeyOff], nSuffix); + + nPrefix = MIN(nPrefix, nPrefix2); + nSuffix = (nPrefix2 + nSuffix2) - nPrefix; + + if( (iKeyOff+nSuffix)>iPgIdx || (iNextOff+nSuffix2)>iPgIdx ){ + p->rc = FTS5_CORRUPT; + }else{ + if( iKey!=1 ){ + iOff += sqlite3Fts5PutVarint(&aPg[iOff], nPrefix); + } + iOff += sqlite3Fts5PutVarint(&aPg[iOff], nSuffix); + if( nPrefix2>pSeg->term.n ){ + p->rc = FTS5_CORRUPT; + }else if( nPrefix2>nPrefix ){ + memcpy(&aPg[iOff], &pSeg->term.p[nPrefix], nPrefix2-nPrefix); + iOff += (nPrefix2-nPrefix); + } + memmove(&aPg[iOff], &aPg[iNextOff], nSuffix2); + iOff += nSuffix2; + iNextOff += nSuffix2; + } + } + }else if( iStart==4 ){ + int iPgno; + + assert_nc( pSeg->iLeafPgno>pSeg->iTermLeafPgno ); + /* The entry being removed may be the only position list in + ** its doclist. */ + for(iPgno=pSeg->iLeafPgno-1; iPgno>pSeg->iTermLeafPgno; iPgno-- ){ + Fts5Data *pPg = fts5DataRead(p, FTS5_SEGMENT_ROWID(iSegid, iPgno)); + int bEmpty = (pPg && pPg->nn==4); + fts5DataRelease(pPg); + if( bEmpty==0 ) break; + } + + if( iPgno==pSeg->iTermLeafPgno ){ + i64 iId = FTS5_SEGMENT_ROWID(iSegid, pSeg->iTermLeafPgno); + Fts5Data *pTerm = fts5DataRead(p, iId); + if( pTerm && pTerm->szLeaf==pSeg->iTermLeafOffset ){ + u8 *aTermIdx = &pTerm->p[pTerm->szLeaf]; + int nTermIdx = pTerm->nn - pTerm->szLeaf; + int iTermIdx = 0; + int iTermOff = 0; + + while( 1 ){ + u32 iVal = 0; + int nByte = fts5GetVarint32(&aTermIdx[iTermIdx], iVal); + iTermOff += iVal; + if( (iTermIdx+nByte)>=nTermIdx ) break; + iTermIdx += nByte; + } + nTermIdx = iTermIdx; + + memmove(&pTerm->p[iTermOff], &pTerm->p[pTerm->szLeaf], nTermIdx); + fts5PutU16(&pTerm->p[2], iTermOff); + + fts5DataWrite(p, iId, pTerm->p, iTermOff+nTermIdx); + if( nTermIdx==0 ){ + fts5SecureDeleteIdxEntry(p, iSegid, pSeg->iTermLeafPgno); + } + } + fts5DataRelease(pTerm); + } + } + + if( p->rc==SQLITE_OK ){ + const int nMove = nPg - iNextOff; /* Number of bytes to move */ + int nShift = iNextOff - iOff; /* Distance to move them */ + + int iPrevKeyOut = 0; + int iKeyIn = 0; + + memmove(&aPg[iOff], &aPg[iNextOff], nMove); + iPgIdx -= nShift; + nPg = iPgIdx; + fts5PutU16(&aPg[2], iPgIdx); + + for(iIdx=0; iIdxiOff ? nShift : 0)); + nPg += sqlite3Fts5PutVarint(&aPg[nPg], iKeyOut - iPrevKeyOut); + iPrevKeyOut = iKeyOut; + } + } + + if( iPgIdx==nPg && nIdx>0 && pSeg->iLeafPgno!=1 ){ + fts5SecureDeleteIdxEntry(p, iSegid, pSeg->iLeafPgno); + } + + assert_nc( nPg>4 || fts5GetU16(aPg)==0 ); + fts5DataWrite(p, FTS5_SEGMENT_ROWID(iSegid,pSeg->iLeafPgno), aPg, nPg); + } + sqlite3_free(aIdx); +} + +/* +** This is called as part of flushing a delete to disk in 'secure-delete' +** mode. It edits the segments within the database described by argument +** pStruct to remove the entries for term zTerm, rowid iRowid. +*/ +static void fts5FlushSecureDelete( + Fts5Index *p, + Fts5Structure *pStruct, + const char *zTerm, + i64 iRowid +){ + const int f = FTS5INDEX_QUERY_SKIPHASH; + int nTerm = (int)strlen(zTerm); + Fts5Iter *pIter = 0; /* Used to find term instance */ + + fts5MultiIterNew(p, pStruct, f, 0, (const u8*)zTerm, nTerm, -1, 0, &pIter); + if( fts5MultiIterEof(p, pIter)==0 ){ + i64 iThis = fts5MultiIterRowid(pIter); + if( iThisrc==SQLITE_OK + && fts5MultiIterEof(p, pIter)==0 + && iRowid==fts5MultiIterRowid(pIter) + ){ + Fts5SegIter *pSeg = &pIter->aSeg[pIter->aFirst[1].iFirst]; + fts5DoSecureDelete(p, pSeg); + } + } + + fts5MultiIterFree(pIter); +} + + /* ** Flush the contents of in-memory hash table iHash to a new level-0 ** segment on disk. Also update the corresponding structure record. @@ -220854,146 +239956,197 @@ static void fts5FlushOneHash(Fts5Index *p){ /* Obtain a reference to the index structure and allocate a new segment-id ** for the new level-0 segment. */ pStruct = fts5StructureRead(p); - iSegid = fts5AllocateSegid(p, pStruct); fts5StructureInvalidate(p); - if( iSegid ){ - const int pgsz = p->pConfig->pgsz; - int eDetail = p->pConfig->eDetail; - Fts5StructureSegment *pSeg; /* New segment within pStruct */ - Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ - Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ - - Fts5SegWriter writer; - fts5WriteInit(p, &writer, iSegid); - - pBuf = &writer.writer.buf; - pPgidx = &writer.writer.pgidx; + if( sqlite3Fts5HashIsEmpty(pHash)==0 ){ + iSegid = fts5AllocateSegid(p, pStruct); + if( iSegid ){ + const int pgsz = p->pConfig->pgsz; + int eDetail = p->pConfig->eDetail; + int bSecureDelete = p->pConfig->bSecureDelete; + Fts5StructureSegment *pSeg; /* New segment within pStruct */ + Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ + Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ + + Fts5SegWriter writer; + fts5WriteInit(p, &writer, iSegid); + + pBuf = &writer.writer.buf; + pPgidx = &writer.writer.pgidx; + + /* fts5WriteInit() should have initialized the buffers to (most likely) + ** the maximum space required. */ + assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + + /* Begin scanning through hash table entries. This loop runs once for each + ** term/doclist currently stored within the hash table. */ + if( p->rc==SQLITE_OK ){ + p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); + } + while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ + const char *zTerm; /* Buffer containing term */ + int nTerm; /* Size of zTerm in bytes */ + const u8 *pDoclist; /* Pointer to doclist for this term */ + int nDoclist; /* Size of doclist in bytes */ + + /* Get the term and doclist for this entry. */ + sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist); + nTerm = (int)strlen(zTerm); + if( bSecureDelete==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + if( p->rc!=SQLITE_OK ) break; + assert( writer.bFirstRowidInPage==0 ); + } + + if( !bSecureDelete && pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){ + /* The entire doclist will fit on the current leaf. */ + fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); + }else{ + int bTermWritten = !bSecureDelete; + i64 iRowid = 0; + i64 iPrev = 0; + int iOff = 0; + + /* The entire doclist will not fit on this leaf. The following + ** loop iterates through the poslists that make up the current + ** doclist. */ + while( p->rc==SQLITE_OK && iOffrc!=SQLITE_OK || pDoclist[iOff]==0x01 ){ + iOff++; + continue; + } + } + } - /* fts5WriteInit() should have initialized the buffers to (most likely) - ** the maximum space required. */ - assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); - assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + if( p->rc==SQLITE_OK && bTermWritten==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + bTermWritten = 1; + assert( p->rc!=SQLITE_OK || writer.bFirstRowidInPage==0 ); + } - /* Begin scanning through hash table entries. This loop runs once for each - ** term/doclist currently stored within the hash table. */ - if( p->rc==SQLITE_OK ){ - p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); - } - while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ - const char *zTerm; /* Buffer containing term */ - const u8 *pDoclist; /* Pointer to doclist for this term */ - int nDoclist; /* Size of doclist in bytes */ - - /* Write the term for this entry to disk. */ - sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist); - fts5WriteAppendTerm(p, &writer, (int)strlen(zTerm), (const u8*)zTerm); - if( p->rc!=SQLITE_OK ) break; - - assert( writer.bFirstRowidInPage==0 ); - if( pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){ - /* The entire doclist will fit on the current leaf. */ - fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); - }else{ - i64 iRowid = 0; - i64 iDelta = 0; - int iOff = 0; - - /* The entire doclist will not fit on this leaf. The following - ** loop iterates through the poslists that make up the current - ** doclist. */ - while( p->rc==SQLITE_OK && iOffp[0], (u16)pBuf->n); /* first rowid on page */ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); - writer.bFirstRowidInPage = 0; - fts5WriteDlidxAppend(p, &writer, iRowid); + if( writer.bFirstRowidInPage ){ + fts5PutU16(&pBuf->p[0], (u16)pBuf->n); /* first rowid on page */ + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); + writer.bFirstRowidInPage = 0; + fts5WriteDlidxAppend(p, &writer, iRowid); + }else{ + u64 iRowidDelta = (u64)iRowid - (u64)iPrev; + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowidDelta); + } if( p->rc!=SQLITE_OK ) break; - }else{ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iDelta); - } - assert( pBuf->n<=pBuf->nSpace ); + assert( pBuf->n<=pBuf->nSpace ); + iPrev = iRowid; - if( eDetail==FTS5_DETAIL_NONE ){ - if( iOffp[pBuf->n++] = 0; - iOff++; + if( eDetail==FTS5_DETAIL_NONE ){ if( iOffp[pBuf->n++] = 0; iOff++; + if( iOffp[pBuf->n++] = 0; + iOff++; + } + } + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); } - } - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); - } - }else{ - int bDummy; - int nPos; - int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDummy); - nCopy += nPos; - if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ - /* The entire poslist will fit on the current leaf. So copy - ** it in one go. */ - fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); }else{ - /* The entire poslist will not fit on this leaf. So it needs - ** to be broken into sections. The only qualification being - ** that each varint must be stored contiguously. */ - const u8 *pPoslist = &pDoclist[iOff]; - int iPos = 0; - while( p->rc==SQLITE_OK ){ - int nSpace = pgsz - pBuf->n - pPgidx->n; - int n = 0; - if( (nCopy - iPos)<=nSpace ){ - n = nCopy - iPos; - }else{ - n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); - } - assert( n>0 ); - fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); - iPos += n; - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); + int bDummy; + int nPos; + int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDummy); + nCopy += nPos; + if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ + /* The entire poslist will fit on the current leaf. So copy + ** it in one go. */ + fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); + }else{ + /* The entire poslist will not fit on this leaf. So it needs + ** to be broken into sections. The only qualification being + ** that each varint must be stored contiguously. */ + const u8 *pPoslist = &pDoclist[iOff]; + int iPos = 0; + while( p->rc==SQLITE_OK ){ + int nSpace = pgsz - pBuf->n - pPgidx->n; + int n = 0; + if( (nCopy - iPos)<=nSpace ){ + n = nCopy - iPos; + }else{ + n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); + } + assert( n>0 ); + fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); + iPos += n; + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); + } + if( iPos>=nCopy ) break; } - if( iPos>=nCopy ) break; } + iOff += nCopy; } - iOff += nCopy; } } - } - /* TODO2: Doclist terminator written here. */ - /* pBuf->p[pBuf->n++] = '\0'; */ - assert( pBuf->n<=pBuf->nSpace ); - if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); - } - sqlite3Fts5HashClear(pHash); - fts5WriteFinish(p, &writer, &pgnoLast); + /* TODO2: Doclist terminator written here. */ + /* pBuf->p[pBuf->n++] = '\0'; */ + assert( pBuf->n<=pBuf->nSpace ); + if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); + } + sqlite3Fts5HashClear(pHash); + fts5WriteFinish(p, &writer, &pgnoLast); - /* Update the Fts5Structure. It is written back to the database by the - ** fts5StructureRelease() call below. */ - if( pStruct->nLevel==0 ){ - fts5StructureAddLevel(&p->rc, &pStruct); - } - fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); - if( p->rc==SQLITE_OK ){ - pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; - pSeg->iSegid = iSegid; - pSeg->pgnoFirst = 1; - pSeg->pgnoLast = pgnoLast; - pStruct->nSegment++; + assert( p->rc!=SQLITE_OK || bSecureDelete || pgnoLast>0 ); + if( pgnoLast>0 ){ + /* Update the Fts5Structure. It is written back to the database by the + ** fts5StructureRelease() call below. */ + if( pStruct->nLevel==0 ){ + fts5StructureAddLevel(&p->rc, &pStruct); + } + fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); + if( p->rc==SQLITE_OK ){ + pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; + pSeg->iSegid = iSegid; + pSeg->pgnoFirst = 1; + pSeg->pgnoLast = pgnoLast; + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pStruct->nOriginCntr; + pSeg->iOrigin2 = pStruct->nOriginCntr; + pSeg->nEntry = p->nPendingRow; + pStruct->nOriginCntr++; + } + pStruct->nSegment++; + } + fts5StructurePromote(p, 0, pStruct); + } } - fts5StructurePromote(p, 0, pStruct); } - fts5IndexAutomerge(p, &pStruct, pgnoLast); + fts5IndexAutomerge(p, &pStruct, pgnoLast + p->nContentlessDelete); fts5IndexCrisismerge(p, &pStruct); fts5StructureWrite(p, pStruct); fts5StructureRelease(pStruct); + p->nContentlessDelete = 0; } /* @@ -221001,10 +240154,11 @@ static void fts5FlushOneHash(Fts5Index *p){ */ static void fts5IndexFlush(Fts5Index *p){ /* Unless it is empty, flush the hash table to disk */ - if( p->nPendingData ){ + if( p->nPendingData || p->nContentlessDelete ){ assert( p->pHash ); - p->nPendingData = 0; fts5FlushOneHash(p); + p->nPendingData = 0; + p->nPendingRow = 0; } } @@ -221020,17 +240174,22 @@ static Fts5Structure *fts5IndexOptimizeStruct( /* Figure out if this structure requires optimization. A structure does ** not require optimization if either: ** - ** + it consists of fewer than two segments, or - ** + all segments are on the same level, or - ** + all segments except one are currently inputs to a merge operation. + ** 1. it consists of fewer than two segments, or + ** 2. all segments are on the same level, or + ** 3. all segments except one are currently inputs to a merge operation. ** - ** In the first case, return NULL. In the second, increment the ref-count - ** on *pStruct and return a copy of the pointer to it. + ** In the first case, if there are no tombstone hash pages, return NULL. In + ** the second, increment the ref-count on *pStruct and return a copy of the + ** pointer to it. */ - if( nSeg<2 ) return 0; + if( nSeg==0 ) return 0; for(i=0; inLevel; i++){ int nThis = pStruct->aLevel[i].nSeg; - if( nThis==nSeg || (nThis==nSeg-1 && pStruct->aLevel[i].nMerge==nThis) ){ + int nMerge = pStruct->aLevel[i].nMerge; + if( nThis>0 && (nThis==nSeg || (nThis==nSeg-1 && nMerge==nThis)) ){ + if( nSeg==1 && nThis==1 && pStruct->aLevel[i].aSeg[0].nPgTombstone==0 ){ + return 0; + } fts5StructureRef(pStruct); return pStruct; } @@ -221043,10 +240202,11 @@ static Fts5Structure *fts5IndexOptimizeStruct( if( pNew ){ Fts5StructureLevel *pLvl; nByte = nSeg * sizeof(Fts5StructureSegment); - pNew->nLevel = pStruct->nLevel+1; + pNew->nLevel = MIN(pStruct->nLevel+1, FTS5_MAX_LEVEL); pNew->nRef = 1; pNew->nWriteCounter = pStruct->nWriteCounter; - pLvl = &pNew->aLevel[pStruct->nLevel]; + pNew->nOriginCntr = pStruct->nOriginCntr; + pLvl = &pNew->aLevel[pNew->nLevel-1]; pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&p->rc, nByte); if( pLvl->aSeg ){ int iLvl, iSeg; @@ -221076,6 +240236,7 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ assert( p->rc==SQLITE_OK ); fts5IndexFlush(p); + assert( p->nContentlessDelete==0 ); pStruct = fts5StructureRead(p); fts5StructureInvalidate(p); @@ -221105,7 +240266,10 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ ** INSERT command. */ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ - Fts5Structure *pStruct = fts5StructureRead(p); + Fts5Structure *pStruct = 0; + + fts5IndexFlush(p); + pStruct = fts5StructureRead(p); if( pStruct ){ int nMin = p->pConfig->nUsermerge; fts5StructureInvalidate(p); @@ -221113,7 +240277,7 @@ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ Fts5Structure *pNew = fts5IndexOptimizeStruct(p, pStruct); fts5StructureRelease(pStruct); pStruct = pNew; - nMin = 2; + nMin = 1; nMerge = nMerge*-1; } if( pStruct && pStruct->nLevel ){ @@ -221128,7 +240292,7 @@ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ static void fts5AppendRowid( Fts5Index *p, - i64 iDelta, + u64 iDelta, Fts5Iter *pUnused, Fts5Buffer *pBuf ){ @@ -221138,7 +240302,7 @@ static void fts5AppendRowid( static void fts5AppendPoslist( Fts5Index *p, - i64 iDelta, + u64 iDelta, Fts5Iter *pMulti, Fts5Buffer *pBuf ){ @@ -221157,7 +240321,7 @@ static void fts5AppendPoslist( static void fts5DoclistIterNext(Fts5DoclistIter *pIter){ u8 *p = pIter->aPoslist + pIter->nSize + pIter->nPoslist; - assert( pIter->aPoslist ); + assert( pIter->aPoslist || (p==0 && pIter->aPoslist==0) ); if( p>=pIter->aEof ){ pIter->aPoslist = 0; }else{ @@ -221177,6 +240341,9 @@ static void fts5DoclistIterNext(Fts5DoclistIter *pIter){ } pIter->aPoslist = p; + if( &pIter->aPoslist[pIter->nPoslist]>pIter->aEof ){ + pIter->aPoslist = 0; + } } } @@ -221185,9 +240352,11 @@ static void fts5DoclistIterInit( Fts5DoclistIter *pIter ){ memset(pIter, 0, sizeof(*pIter)); - pIter->aPoslist = pBuf->p; - pIter->aEof = &pBuf->p[pBuf->n]; - fts5DoclistIterNext(pIter); + if( pBuf->n>0 ){ + pIter->aPoslist = pBuf->p; + pIter->aEof = &pBuf->p[pBuf->n]; + fts5DoclistIterNext(pIter); + } } #if 0 @@ -221208,10 +240377,10 @@ static void fts5MergeAppendDocid( } #endif -#define fts5MergeAppendDocid(pBuf, iLastRowid, iRowid) { \ - assert( (pBuf)->n!=0 || (iLastRowid)==0 ); \ - fts5BufferSafeAppendVarint((pBuf), (iRowid) - (iLastRowid)); \ - (iLastRowid) = (iRowid); \ +#define fts5MergeAppendDocid(pBuf, iLastRowid, iRowid) { \ + assert( (pBuf)->n!=0 || (iLastRowid)==0 ); \ + fts5BufferSafeAppendVarint((pBuf), (u64)(iRowid) - (u64)(iLastRowid)); \ + (iLastRowid) = (iRowid); \ } /* @@ -221241,16 +240410,20 @@ static void fts5NextRowid(Fts5Buffer *pBuf, int *piOff, i64 *piRowid){ static void fts5MergeRowidLists( Fts5Index *p, /* FTS5 backend object */ Fts5Buffer *p1, /* First list to merge */ - Fts5Buffer *p2 /* Second list to merge */ + int nBuf, /* Number of entries in apBuf[] */ + Fts5Buffer *aBuf /* Array of other lists to merge into p1 */ ){ int i1 = 0; int i2 = 0; i64 iRowid1 = 0; i64 iRowid2 = 0; i64 iOut = 0; - + Fts5Buffer *p2 = &aBuf[0]; Fts5Buffer out; + + (void)nBuf; memset(&out, 0, sizeof(out)); + assert( nBuf==1 ); sqlite3Fts5BufferSize(&p->rc, &out, p1->n + p2->n); if( p->rc ) return; @@ -221277,177 +240450,214 @@ static void fts5MergeRowidLists( fts5BufferFree(&out); } +typedef struct PrefixMerger PrefixMerger; +struct PrefixMerger { + Fts5DoclistIter iter; /* Doclist iterator */ + i64 iPos; /* For iterating through a position list */ + int iOff; + u8 *aPos; + PrefixMerger *pNext; /* Next in docid/poslist order */ +}; + +static void fts5PrefixMergerInsertByRowid( + PrefixMerger **ppHead, + PrefixMerger *p +){ + if( p->iter.aPoslist ){ + PrefixMerger **pp = ppHead; + while( *pp && p->iter.iRowid>(*pp)->iter.iRowid ){ + pp = &(*pp)->pNext; + } + p->pNext = *pp; + *pp = p; + } +} + +static void fts5PrefixMergerInsertByPosition( + PrefixMerger **ppHead, + PrefixMerger *p +){ + if( p->iPos>=0 ){ + PrefixMerger **pp = ppHead; + while( *pp && p->iPos>(*pp)->iPos ){ + pp = &(*pp)->pNext; + } + p->pNext = *pp; + *pp = p; + } +} + + /* -** Buffers p1 and p2 contain doclists. This function merges the content -** of the two doclists together and sets buffer p1 to the result before -** returning. -** -** If an error occurs, an error code is left in p->rc. If an error has -** already occurred, this function is a no-op. +** Array aBuf[] contains nBuf doclists. These are all merged in with the +** doclist in buffer p1. */ static void fts5MergePrefixLists( Fts5Index *p, /* FTS5 backend object */ Fts5Buffer *p1, /* First list to merge */ - Fts5Buffer *p2 /* Second list to merge */ -){ - if( p2->n ){ - i64 iLastRowid = 0; - Fts5DoclistIter i1; - Fts5DoclistIter i2; - Fts5Buffer out = {0, 0, 0}; - Fts5Buffer tmp = {0, 0, 0}; - - /* The maximum size of the output is equal to the sum of the two - ** input sizes + 1 varint (9 bytes). The extra varint is because if the - ** first rowid in one input is a large negative number, and the first in - ** the other a non-negative number, the delta for the non-negative - ** number will be larger on disk than the literal integer value - ** was. - ** - ** Or, if the input position-lists are corrupt, then the output might - ** include up to 2 extra 10-byte positions created by interpreting -1 - ** (the value PoslistNext64() uses for EOF) as a position and appending - ** it to the output. This can happen at most once for each input - ** position-list, hence two 10 byte paddings. */ - if( sqlite3Fts5BufferSize(&p->rc, &out, p1->n + p2->n + 9+10+10) ) return; - fts5DoclistIterInit(p1, &i1); - fts5DoclistIterInit(p2, &i2); + int nBuf, /* Number of buffers in array aBuf[] */ + Fts5Buffer *aBuf /* Other lists to merge in */ +){ +#define fts5PrefixMergerNextPosition(p) \ + sqlite3Fts5PoslistNext64((p)->aPos,(p)->iter.nPoslist,&(p)->iOff,&(p)->iPos) +#define FTS5_MERGE_NLIST 16 + PrefixMerger aMerger[FTS5_MERGE_NLIST]; + PrefixMerger *pHead = 0; + int i; + int nOut = 0; + Fts5Buffer out = {0, 0, 0}; + Fts5Buffer tmp = {0, 0, 0}; + i64 iLastRowid = 0; + + /* Initialize a doclist-iterator for each input buffer. Arrange them in + ** a linked-list starting at pHead in ascending order of rowid. Avoid + ** linking any iterators already at EOF into the linked list at all. */ + assert( nBuf+1<=(int)(sizeof(aMerger)/sizeof(aMerger[0])) ); + memset(aMerger, 0, sizeof(PrefixMerger)*(nBuf+1)); + pHead = &aMerger[nBuf]; + fts5DoclistIterInit(p1, &pHead->iter); + for(i=0; in + 9 + 10*nBuf; + + /* The maximum size of the output is equal to the sum of the + ** input sizes + 1 varint (9 bytes). The extra varint is because if the + ** first rowid in one input is a large negative number, and the first in + ** the other a non-negative number, the delta for the non-negative + ** number will be larger on disk than the literal integer value + ** was. + ** + ** Or, if the input position-lists are corrupt, then the output might + ** include up to (nBuf+1) extra 10-byte positions created by interpreting -1 + ** (the value PoslistNext64() uses for EOF) as a position and appending + ** it to the output. This can happen at most once for each input + ** position-list, hence (nBuf+1) 10 byte paddings. */ + if( sqlite3Fts5BufferSize(&p->rc, &out, nOut) ) return; + + while( pHead ){ + fts5MergeAppendDocid(&out, iLastRowid, pHead->iter.iRowid); + + if( pHead->pNext && iLastRowid==pHead->pNext->iter.iRowid ){ + /* Merge data from two or more poslists */ + i64 iPrev = 0; + int nTmp = FTS5_DATA_ZERO_PADDING; + int nMerge = 0; + PrefixMerger *pSave = pHead; + PrefixMerger *pThis = 0; + int nTail = 0; + + pHead = 0; + while( pSave && pSave->iter.iRowid==iLastRowid ){ + PrefixMerger *pNext = pSave->pNext; + pSave->iOff = 0; + pSave->iPos = 0; + pSave->aPos = &pSave->iter.aPoslist[pSave->iter.nSize]; + fts5PrefixMergerNextPosition(pSave); + nTmp += pSave->iter.nPoslist + 10; + nMerge++; + fts5PrefixMergerInsertByPosition(&pHead, pSave); + pSave = pNext; + } + + if( pHead==0 || pHead->pNext==0 ){ + p->rc = FTS5_CORRUPT; + break; + } - while( 1 ){ - if( i1.iRowidp) + (i2.aPoslist-p2->p)+9+10+10) ); - } - else if( i2.iRowid!=i1.iRowid ){ - /* Copy entry from i2 */ - fts5MergeAppendDocid(&out, iLastRowid, i2.iRowid); - fts5BufferSafeAppendBlob(&out, i2.aPoslist, i2.nPoslist+i2.nSize); - fts5DoclistIterNext(&i2); - if( i2.aPoslist==0 ) break; - assert( out.n<=((i1.aPoslist-p1->p) + (i2.aPoslist-p2->p)+9+10+10) ); + /* See the earlier comment in this function for an explanation of why + ** corrupt input position lists might cause the output to consume + ** at most nMerge*10 bytes of unexpected space. */ + if( sqlite3Fts5BufferSize(&p->rc, &tmp, nTmp+nMerge*10) ){ + break; } - else{ - /* Merge the two position lists. */ - i64 iPos1 = 0; - i64 iPos2 = 0; - int iOff1 = 0; - int iOff2 = 0; - u8 *a1 = &i1.aPoslist[i1.nSize]; - u8 *a2 = &i2.aPoslist[i2.nSize]; - int nCopy; - u8 *aCopy; - - i64 iPrev = 0; - Fts5PoslistWriter writer; - memset(&writer, 0, sizeof(writer)); - - /* See the earlier comment in this function for an explanation of why - ** corrupt input position lists might cause the output to consume - ** at most 20 bytes of unexpected space. */ - fts5MergeAppendDocid(&out, iLastRowid, i2.iRowid); - fts5BufferZero(&tmp); - sqlite3Fts5BufferSize(&p->rc, &tmp, i1.nPoslist + i2.nPoslist + 10 + 10); - if( p->rc ) break; - - sqlite3Fts5PoslistNext64(a1, i1.nPoslist, &iOff1, &iPos1); - sqlite3Fts5PoslistNext64(a2, i2.nPoslist, &iOff2, &iPos2); - assert_nc( iPos1>=0 && iPos2>=0 ); - - if( iPos1=0 && iPos2>=0 ){ - while( 1 ){ - if( iPos1=0 ){ - if( iPos1!=iPrev ){ - sqlite3Fts5PoslistSafeAppend(&tmp, &iPrev, iPos1); - } - aCopy = &a1[iOff1]; - nCopy = i1.nPoslist - iOff1; - }else{ - assert_nc( iPos2>=0 && iPos2!=iPrev ); - sqlite3Fts5PoslistSafeAppend(&tmp, &iPrev, iPos2); - aCopy = &a2[iOff2]; - nCopy = i2.nPoslist - iOff2; - } - if( nCopy>0 ){ - fts5BufferSafeAppendBlob(&tmp, aCopy, nCopy); + pThis = pHead; + pHead = pThis->pNext; + sqlite3Fts5PoslistSafeAppend(&tmp, &iPrev, pThis->iPos); + fts5PrefixMergerNextPosition(pThis); + fts5PrefixMergerInsertByPosition(&pHead, pThis); + + while( pHead->pNext ){ + pThis = pHead; + if( pThis->iPos!=iPrev ){ + sqlite3Fts5PoslistSafeAppend(&tmp, &iPrev, pThis->iPos); } + fts5PrefixMergerNextPosition(pThis); + pHead = pThis->pNext; + fts5PrefixMergerInsertByPosition(&pHead, pThis); + } - /* WRITEPOSLISTSIZE */ - assert_nc( tmp.n<=i1.nPoslist+i2.nPoslist ); - assert( tmp.n<=i1.nPoslist+i2.nPoslist+10+10 ); - if( tmp.n>i1.nPoslist+i2.nPoslist ){ - if( p->rc==SQLITE_OK ) p->rc = FTS5_CORRUPT; - break; + if( pHead->iPos!=iPrev ){ + sqlite3Fts5PoslistSafeAppend(&tmp, &iPrev, pHead->iPos); + } + nTail = pHead->iter.nPoslist - pHead->iOff; + + /* WRITEPOSLISTSIZE */ + assert_nc( tmp.n+nTail<=nTmp ); + assert( tmp.n+nTail<=nTmp+nMerge*10 ); + if( tmp.n+nTail>nTmp-FTS5_DATA_ZERO_PADDING ){ + if( p->rc==SQLITE_OK ) p->rc = FTS5_CORRUPT; + break; + } + fts5BufferSafeAppendVarint(&out, (tmp.n+nTail) * 2); + fts5BufferSafeAppendBlob(&out, tmp.p, tmp.n); + if( nTail>0 ){ + fts5BufferSafeAppendBlob(&out, &pHead->aPos[pHead->iOff], nTail); + } + + pHead = pSave; + for(i=0; iiter.aPoslist && pX->iter.iRowid==iLastRowid ){ + fts5DoclistIterNext(&pX->iter); + fts5PrefixMergerInsertByRowid(&pHead, pX); } - fts5BufferSafeAppendVarint(&out, tmp.n * 2); - fts5BufferSafeAppendBlob(&out, tmp.p, tmp.n); - fts5DoclistIterNext(&i1); - fts5DoclistIterNext(&i2); - assert_nc( out.n<=(p1->n+p2->n+9) ); - if( i1.aPoslist==0 || i2.aPoslist==0 ) break; - assert( out.n<=((i1.aPoslist-p1->p) + (i2.aPoslist-p2->p)+9+10+10) ); } - } - if( i1.aPoslist ){ - fts5MergeAppendDocid(&out, iLastRowid, i1.iRowid); - fts5BufferSafeAppendBlob(&out, i1.aPoslist, i1.aEof - i1.aPoslist); - } - else if( i2.aPoslist ){ - fts5MergeAppendDocid(&out, iLastRowid, i2.iRowid); - fts5BufferSafeAppendBlob(&out, i2.aPoslist, i2.aEof - i2.aPoslist); + }else{ + /* Copy poslist from pHead to output */ + PrefixMerger *pThis = pHead; + Fts5DoclistIter *pI = &pThis->iter; + fts5BufferSafeAppendBlob(&out, pI->aPoslist, pI->nPoslist+pI->nSize); + fts5DoclistIterNext(pI); + pHead = pThis->pNext; + fts5PrefixMergerInsertByRowid(&pHead, pThis); } - assert_nc( out.n<=(p1->n+p2->n+9) ); - - fts5BufferSet(&p->rc, p1, out.n, out.p); - fts5BufferFree(&tmp); - fts5BufferFree(&out); } + + fts5BufferFree(p1); + fts5BufferFree(&tmp); + memset(&out.p[out.n], 0, FTS5_DATA_ZERO_PADDING); + *p1 = out; } static void fts5SetupPrefixIter( Fts5Index *p, /* Index to read from */ int bDesc, /* True for "ORDER BY rowid DESC" */ - const u8 *pToken, /* Buffer containing prefix to match */ + int iIdx, /* Index to scan for data */ + u8 *pToken, /* Buffer containing prefix to match */ int nToken, /* Size of buffer pToken in bytes */ Fts5Colset *pColset, /* Restrict matches to these columns */ Fts5Iter **ppIter /* OUT: New iterator */ ){ Fts5Structure *pStruct; Fts5Buffer *aBuf; - const int nBuf = 32; + int nBuf = 32; + int nMerge = 1; - void (*xMerge)(Fts5Index*, Fts5Buffer*, Fts5Buffer*); - void (*xAppend)(Fts5Index*, i64, Fts5Iter*, Fts5Buffer*); + void (*xMerge)(Fts5Index*, Fts5Buffer*, int, Fts5Buffer*); + void (*xAppend)(Fts5Index*, u64, Fts5Iter*, Fts5Buffer*); if( p->pConfig->eDetail==FTS5_DETAIL_NONE ){ xMerge = fts5MergeRowidLists; xAppend = fts5AppendRowid; }else{ + nMerge = FTS5_MERGE_NLIST-1; + nBuf = nMerge*8; /* Sufficient to merge (16^8)==(2^32) lists */ xMerge = fts5MergePrefixLists; xAppend = fts5AppendPoslist; } @@ -221467,6 +240677,27 @@ static void fts5SetupPrefixIter( int bNewTerm = 1; memset(&doclist, 0, sizeof(doclist)); + if( iIdx!=0 ){ + int dummy = 0; + const int f2 = FTS5INDEX_QUERY_SKIPEMPTY|FTS5INDEX_QUERY_NOOUTPUT; + pToken[0] = FTS5_MAIN_PREFIX; + fts5MultiIterNew(p, pStruct, f2, pColset, pToken, nToken, -1, 0, &p1); + fts5IterSetOutputCb(&p->rc, p1); + for(; + fts5MultiIterEof(p, p1)==0; + fts5MultiIterNext2(p, p1, &dummy) + ){ + Fts5SegIter *pSeg = &p1->aSeg[ p1->aFirst[1].iFirst ]; + p1->xSetOutputs(p1, pSeg); + if( p1->base.nData ){ + xAppend(p, (u64)p1->base.iRowid-(u64)iLastRowid, p1, &doclist); + iLastRowid = p1->base.iRowid; + } + } + fts5MultiIterFree(p1); + } + + pToken[0] = FTS5_MAIN_PREFIX + iIdx; fts5MultiIterNew(p, pStruct, flags, pColset, pToken, nToken, -1, 0, &p1); fts5IterSetOutputCb(&p->rc, p1); for( /* no-op */ ; @@ -221487,27 +240718,39 @@ static void fts5SetupPrefixIter( if( p1->base.iRowid<=iLastRowid && doclist.n>0 ){ for(i=0; p->rc==SQLITE_OK && doclist.n; i++){ - assert( ibase.iRowid-iLastRowid, p1, &doclist); + xAppend(p, (u64)p1->base.iRowid-(u64)iLastRowid, p1, &doclist); iLastRowid = p1->base.iRowid; } - for(i=0; irc==SQLITE_OK ){ - xMerge(p, &doclist, &aBuf[i]); + xMerge(p, &doclist, nMerge, &aBuf[i]); + } + for(iFree=i; iFreeiWriteRowid = iRowid; p->bDelete = bDelete; + if( bDelete==0 ){ + p->nPendingRow++; + } return fts5IndexReturn(p); } @@ -221585,6 +240831,9 @@ static int sqlite3Fts5IndexReinit(Fts5Index *p){ fts5StructureInvalidate(p); fts5IndexDiscardData(p); memset(&s, 0, sizeof(Fts5Structure)); + if( p->pConfig->bContentlessDelete ){ + s.nOriginCntr = 1; + } fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0); fts5StructureWrite(p, &s); return fts5IndexReturn(p); @@ -221649,6 +240898,7 @@ static int sqlite3Fts5IndexClose(Fts5Index *p){ sqlite3_finalize(p->pIdxDeleter); sqlite3_finalize(p->pIdxSelect); sqlite3_finalize(p->pDataVersion); + sqlite3_finalize(p->pDeleteFromIdx); sqlite3Fts5HashFree(p->pHash); sqlite3_free(p->zDataTbl); sqlite3_free(p); @@ -221762,7 +241012,8 @@ static int sqlite3Fts5IndexQuery( if( sqlite3Fts5BufferSize(&p->rc, &buf, nToken+1)==0 ){ int iIdx = 0; /* Index to search */ - if( nToken ) memcpy(&buf.p[1], pToken, nToken); + int iPrefixIdx = 0; /* +1 prefix index */ + if( nToken>0 ) memcpy(&buf.p[1], pToken, nToken); /* Figure out which index to search and set iIdx accordingly. If this ** is a prefix query for which there is no prefix index, set iIdx to @@ -221783,7 +241034,9 @@ static int sqlite3Fts5IndexQuery( if( flags & FTS5INDEX_QUERY_PREFIX ){ int nChar = fts5IndexCharlen(pToken, nToken); for(iIdx=1; iIdx<=pConfig->nPrefix; iIdx++){ - if( pConfig->aPrefix[iIdx-1]==nChar ) break; + int nIdxChar = pConfig->aPrefix[iIdx-1]; + if( nIdxChar==nChar ) break; + if( nIdxChar==nChar+1 ) iPrefixIdx = iIdx; } } @@ -221800,13 +241053,16 @@ static int sqlite3Fts5IndexQuery( }else{ /* Scan multiple terms in the main index */ int bDesc = (flags & FTS5INDEX_QUERY_DESC)!=0; - buf.p[0] = FTS5_MAIN_PREFIX; - fts5SetupPrefixIter(p, bDesc, buf.p, nToken+1, pColset, &pRet); - assert( p->rc!=SQLITE_OK || pRet->pColset==0 ); - fts5IterSetOutputCb(&p->rc, pRet); - if( p->rc==SQLITE_OK ){ - Fts5SegIter *pSeg = &pRet->aSeg[pRet->aFirst[1].iFirst]; - if( pSeg->pLeaf ) pRet->xSetOutputs(pRet, pSeg); + fts5SetupPrefixIter(p, bDesc, iPrefixIdx, buf.p, nToken+1, pColset,&pRet); + if( pRet==0 ){ + assert( p->rc!=SQLITE_OK ); + }else{ + assert( pRet->pColset==0 ); + fts5IterSetOutputCb(&p->rc, pRet); + if( p->rc==SQLITE_OK ){ + Fts5SegIter *pSeg = &pRet->aSeg[pRet->aFirst[1].iFirst]; + if( pSeg->pLeaf ) pRet->xSetOutputs(pRet, pSeg); + } } } @@ -221874,8 +241130,9 @@ static int sqlite3Fts5IterNextFrom(Fts5IndexIter *pIndexIter, i64 iMatch){ static const char *sqlite3Fts5IterTerm(Fts5IndexIter *pIndexIter, int *pn){ int n; const char *z = (const char*)fts5MultiIterTerm((Fts5Iter*)pIndexIter, &n); + assert_nc( z || n<=1 ); *pn = n-1; - return &z[1]; + return (z ? &z[1] : 0); } /* @@ -221968,6 +241225,347 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p){ return fts5IndexReturn(p); } +/* +** Retrieve the origin value that will be used for the segment currently +** being accumulated in the in-memory hash table when it is flushed to +** disk. If successful, SQLITE_OK is returned and (*piOrigin) set to +** the queried value. Or, if an error occurs, an error code is returned +** and the final value of (*piOrigin) is undefined. +*/ +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + *piOrigin = pStruct->nOriginCntr; + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} + +/* +** Buffer pPg contains a page of a tombstone hash table - one of nPg pages +** associated with the same segment. This function adds rowid iRowid to +** the hash table. The caller is required to guarantee that there is at +** least one free slot on the page. +** +** If parameter bForce is false and the hash table is deemed to be full +** (more than half of the slots are occupied), then non-zero is returned +** and iRowid not inserted. Or, if bForce is true or if the hash table page +** is not full, iRowid is inserted and zero returned. +*/ +static int fts5IndexTombstoneAddToPage( + Fts5Data *pPg, + int bForce, + int nPg, + u64 iRowid +){ + const int szKey = TOMBSTONE_KEYSIZE(pPg); + const int nSlot = TOMBSTONE_NSLOT(pPg); + const int nElem = fts5GetU32(&pPg->p[4]); + int iSlot = (iRowid / nPg) % nSlot; + int nCollide = nSlot; + + if( szKey==4 && iRowid>0xFFFFFFFF ) return 2; + if( iRowid==0 ){ + pPg->p[1] = 0x01; + return 0; + } + + if( bForce==0 && nElem>=(nSlot/2) ){ + return 1; + } + + fts5PutU32(&pPg->p[4], nElem+1); + if( szKey==4 ){ + u32 *aSlot = (u32*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU32((u8*)&aSlot[iSlot], (u32)iRowid); + }else{ + u64 *aSlot = (u64*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU64((u8*)&aSlot[iSlot], iRowid); + } + + return 0; +} + +/* +** This function attempts to build a new hash containing all the keys +** currently in the tombstone hash table for segment pSeg. The new +** hash will be stored in the nOut buffers passed in array apOut[]. +** All pages of the new hash use key-size szKey (4 or 8). +** +** Return 0 if the hash is successfully rebuilt into the nOut pages. +** Or non-zero if it is not (because one page became overfull). In this +** case the caller should retry with a larger nOut parameter. +** +** Parameter pData1 is page iPg1 of the hash table being rebuilt. +*/ +static int fts5IndexTombstoneRehash( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int nOut, /* Number of output pages */ + Fts5Data **apOut /* Array of output hash pages */ +){ + int ii; + int res = 0; + + /* Initialize the headers of all the output pages */ + for(ii=0; iip[0] = szKey; + fts5PutU32(&apOut[ii]->p[4], 0); + } + + /* Loop through the current pages of the hash table. */ + for(ii=0; res==0 && iinPgTombstone; ii++){ + Fts5Data *pData = 0; /* Page ii of the current hash table */ + Fts5Data *pFree = 0; /* Free this at the end of the loop */ + + if( iPg1==ii ){ + pData = pData1; + }else{ + pFree = pData = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid, ii)); + } + + if( pData ){ + int szKeyIn = TOMBSTONE_KEYSIZE(pData); + int nSlotIn = (pData->nn - 8) / szKeyIn; + int iIn; + for(iIn=0; iInp[8]; + if( aSlot[iIn] ) iVal = fts5GetU32((u8*)&aSlot[iIn]); + }else{ + u64 *aSlot = (u64*)&pData->p[8]; + if( aSlot[iIn] ) iVal = fts5GetU64((u8*)&aSlot[iIn]); + } + + /* If iVal is not 0 at this point, insert it into the new hash table */ + if( iVal ){ + Fts5Data *pPg = apOut[(iVal % nOut)]; + res = fts5IndexTombstoneAddToPage(pPg, 0, nOut, iVal); + if( res ) break; + } + } + + /* If this is page 0 of the old hash, copy the rowid-0-flag from the + ** old hash to the new. */ + if( ii==0 ){ + apOut[0]->p[1] = pData->p[1]; + } + } + fts5DataRelease(pFree); + } + + return res; +} + +/* +** This is called to rebuild the hash table belonging to segment pSeg. +** If parameter pData1 is not NULL, then one page of the existing hash table +** has already been loaded - pData1, which is page iPg1. The key-size for +** the new hash table is szKey (4 or 8). +** +** If successful, the new hash table is not written to disk. Instead, +** output parameter (*pnOut) is set to the number of pages in the new +** hash table, and (*papOut) to point to an array of buffers containing +** the new page data. +** +** If an error occurs, an error code is left in the Fts5Index object and +** both output parameters set to 0 before returning. +*/ +static void fts5IndexTombstoneRebuild( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int *pnOut, /* OUT: Number of output pages */ + Fts5Data ***papOut /* OUT: Output hash pages */ +){ + const int MINSLOT = 32; + int nSlotPerPage = MAX(MINSLOT, (p->pConfig->pgsz - 8) / szKey); + int nSlot = 0; /* Number of slots in each output page */ + int nOut = 0; + + /* Figure out how many output pages (nOut) and how many slots per + ** page (nSlot). There are three possibilities: + ** + ** 1. The hash table does not yet exist. In this case the new hash + ** table will consist of a single page with MINSLOT slots. + ** + ** 2. The hash table exists but is currently a single page. In this + ** case an attempt is made to grow the page to accommodate the new + ** entry. The page is allowed to grow up to nSlotPerPage (see above) + ** slots. + ** + ** 3. The hash table already consists of more than one page, or of + ** a single page already so large that it cannot be grown. In this + ** case the new hash consists of (nPg*2+1) pages of nSlotPerPage + ** slots each, where nPg is the current number of pages in the + ** hash table. + */ + if( pSeg->nPgTombstone==0 ){ + /* Case 1. */ + nOut = 1; + nSlot = MINSLOT; + }else if( pSeg->nPgTombstone==1 ){ + /* Case 2. */ + int nElem = (int)fts5GetU32(&pData1->p[4]); + assert( pData1 && iPg1==0 ); + nOut = 1; + nSlot = MAX(nElem*4, MINSLOT); + if( nSlot>nSlotPerPage ) nOut = 0; + } + if( nOut==0 ){ + /* Case 3. */ + nOut = (pSeg->nPgTombstone * 2 + 1); + nSlot = nSlotPerPage; + } + + /* Allocate the required array and output pages */ + while( 1 ){ + int res = 0; + int ii = 0; + int szPage = 0; + Fts5Data **apOut = 0; + + /* Allocate space for the new hash table */ + assert( nSlot>=MINSLOT ); + apOut = (Fts5Data**)sqlite3Fts5MallocZero(&p->rc, sizeof(Fts5Data*) * nOut); + szPage = 8 + nSlot*szKey; + for(ii=0; iirc, + sizeof(Fts5Data)+szPage + ); + if( pNew ){ + pNew->nn = szPage; + pNew->p = (u8*)&pNew[1]; + apOut[ii] = pNew; + } + } + + /* Rebuild the hash table. */ + if( p->rc==SQLITE_OK ){ + res = fts5IndexTombstoneRehash(p, pSeg, pData1, iPg1, szKey, nOut, apOut); + } + if( res==0 ){ + if( p->rc ){ + fts5IndexFreeArray(apOut, nOut); + apOut = 0; + nOut = 0; + } + *pnOut = nOut; + *papOut = apOut; + break; + } + + /* If control flows to here, it was not possible to rebuild the hash + ** table. Free all buffers and then try again with more pages. */ + assert( p->rc==SQLITE_OK ); + fts5IndexFreeArray(apOut, nOut); + nSlot = nSlotPerPage; + nOut = nOut*2 + 1; + } +} + + +/* +** Add a tombstone for rowid iRowid to segment pSeg. +*/ +static void fts5IndexTombstoneAdd( + Fts5Index *p, + Fts5StructureSegment *pSeg, + u64 iRowid +){ + Fts5Data *pPg = 0; + int iPg = -1; + int szKey = 0; + int nHash = 0; + Fts5Data **apHash = 0; + + p->nContentlessDelete++; + + if( pSeg->nPgTombstone>0 ){ + iPg = iRowid % pSeg->nPgTombstone; + pPg = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg)); + if( pPg==0 ){ + assert( p->rc!=SQLITE_OK ); + return; + } + + if( 0==fts5IndexTombstoneAddToPage(pPg, 0, pSeg->nPgTombstone, iRowid) ){ + fts5DataWrite(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg), pPg->p, pPg->nn); + fts5DataRelease(pPg); + return; + } + } + + /* Have to rebuild the hash table. First figure out the key-size (4 or 8). */ + szKey = pPg ? TOMBSTONE_KEYSIZE(pPg) : 4; + if( iRowid>0xFFFFFFFF ) szKey = 8; + + /* Rebuild the hash table */ + fts5IndexTombstoneRebuild(p, pSeg, pPg, iPg, szKey, &nHash, &apHash); + assert( p->rc==SQLITE_OK || (nHash==0 && apHash==0) ); + + /* If all has succeeded, write the new rowid into one of the new hash + ** table pages, then write them all out to disk. */ + if( nHash ){ + int ii = 0; + fts5IndexTombstoneAddToPage(apHash[iRowid % nHash], 1, nHash, iRowid); + for(ii=0; iiiSegid, ii); + fts5DataWrite(p, iTombstoneRowid, apHash[ii]->p, apHash[ii]->nn); + } + pSeg->nPgTombstone = nHash; + fts5StructureWrite(p, p->pStruct); + } + + fts5DataRelease(pPg); + fts5IndexFreeArray(apHash, nHash); +} + +/* +** Add iRowid to the tombstone list of the segment or segments that contain +** rows from origin iOrigin. Return SQLITE_OK if successful, or an SQLite +** error code otherwise. +*/ +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + int bFound = 0; /* True after pSeg->nEntryTombstone incr. */ + int iLvl; + for(iLvl=pStruct->nLevel-1; iLvl>=0; iLvl--){ + int iSeg; + for(iSeg=pStruct->aLevel[iLvl].nSeg-1; iSeg>=0; iSeg--){ + Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; + if( pSeg->iOrigin1<=(u64)iOrigin && pSeg->iOrigin2>=(u64)iOrigin ){ + if( bFound==0 ){ + pSeg->nEntryTombstone++; + bFound = 1; + } + fts5IndexTombstoneAdd(p, pSeg, iRowid); + } + } + } + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} /************************************************************************* ************************************************************************** @@ -222053,7 +241651,7 @@ static int fts5QueryCksum( Fts5IndexIter *pIter = 0; int rc = sqlite3Fts5IndexQuery(p, z, n, flags, 0, &pIter); - while( rc==SQLITE_OK && 0==sqlite3Fts5IterEof(pIter) ){ + while( rc==SQLITE_OK && ALWAYS(pIter!=0) && 0==sqlite3Fts5IterEof(pIter) ){ i64 rowid = pIter->iRowid; if( eDetail==FTS5_DETAIL_NONE ){ @@ -222272,6 +241870,7 @@ static void fts5IndexIntegrityCheckSegment( Fts5StructureSegment *pSeg /* Segment to check internal consistency */ ){ Fts5Config *pConfig = p->pConfig; + int bSecureDelete = (pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE); sqlite3_stmt *pStmt = 0; int rc2; int iIdxPrevLeaf = pSeg->pgnoFirst-1; @@ -222307,7 +241906,19 @@ static void fts5IndexIntegrityCheckSegment( ** is also a rowid pointer within the leaf page header, it points to a ** location before the term. */ if( pLeaf->nn<=pLeaf->szLeaf ){ - p->rc = FTS5_CORRUPT; + + if( nIdxTerm==0 + && pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE + && pLeaf->nn==pLeaf->szLeaf + && pLeaf->nn==4 + ){ + /* special case - the very first page in a segment keeps its %_idx + ** entry even if all the terms are removed from it by secure-delete + ** operations. */ + }else{ + p->rc = FTS5_CORRUPT; + } + }else{ int iOff; /* Offset of first term on leaf */ int iRowidOff; /* Offset of first rowid on leaf */ @@ -222371,9 +241982,12 @@ static void fts5IndexIntegrityCheckSegment( ASSERT_SZLEAF_OK(pLeaf); if( iRowidOff>=pLeaf->szLeaf ){ p->rc = FTS5_CORRUPT; - }else{ + }else if( bSecureDelete==0 || iRowidOff>0 ){ + i64 iDlRowid = fts5DlidxIterRowid(pDlidx); fts5GetVarint(&pLeaf->p[iRowidOff], (u64*)&iRowid); - if( iRowid!=fts5DlidxIterRowid(pDlidx) ) p->rc = FTS5_CORRUPT; + if( iRowidrc = FTS5_CORRUPT; + } } fts5DataRelease(pLeaf); } @@ -222412,12 +242026,13 @@ static void fts5IndexIntegrityCheckSegment( ** error, or some other SQLite error code if another error (e.g. OOM) ** occurs. */ -static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ +static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum, int bUseCksum){ int eDetail = p->pConfig->eDetail; u64 cksum2 = 0; /* Checksum based on contents of indexes */ Fts5Buffer poslist = {0,0,0}; /* Buffer used to hold a poslist */ Fts5Iter *pIter; /* Used to iterate through entire index */ Fts5Structure *pStruct; /* Index structure */ + int iLvl, iSeg; #ifdef SQLITE_DEBUG /* Used by extra internal tests only run if NDEBUG is not defined */ @@ -222428,15 +242043,16 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ /* Load the FTS index structure */ pStruct = fts5StructureRead(p); + if( pStruct==0 ){ + assert( p->rc!=SQLITE_OK ); + return fts5IndexReturn(p); + } /* Check that the internal nodes of each segment match the leaves */ - if( pStruct ){ - int iLvl, iSeg; - for(iLvl=0; iLvlnLevel; iLvl++){ - for(iSeg=0; iSegaLevel[iLvl].nSeg; iSeg++){ - Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; - fts5IndexIntegrityCheckSegment(p, pSeg); - } + for(iLvl=0; iLvlnLevel; iLvl++){ + for(iSeg=0; iSegaLevel[iLvl].nSeg; iSeg++){ + Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; + fts5IndexIntegrityCheckSegment(p, pSeg); } } @@ -222465,6 +242081,7 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ /* If this is a new term, query for it. Update cksum3 with the results. */ fts5TestTerm(p, &term, z, n, cksum2, &cksum3); + if( p->rc ) break; if( eDetail==FTS5_DETAIL_NONE ){ if( 0==fts5MultiIterIsEmpty(p, pIter) ){ @@ -222473,6 +242090,7 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ }else{ poslist.n = 0; fts5SegiterPoslist(p, &pIter->aSeg[pIter->aFirst[1].iFirst], 0, &poslist); + fts5BufferAppendBlob(&p->rc, &poslist, 4, (const u8*)"\0\0\0\0"); while( 0==sqlite3Fts5PoslistNext64(poslist.p, poslist.n, &iOff, &iPos) ){ int iCol = FTS5_POS2COLUMN(iPos); int iTokOff = FTS5_POS2OFFSET(iPos); @@ -222483,7 +242101,7 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ fts5TestTerm(p, &term, 0, 0, cksum2, &cksum3); fts5MultiIterFree(pIter); - if( p->rc==SQLITE_OK && cksum!=cksum2 ) p->rc = FTS5_CORRUPT; + if( p->rc==SQLITE_OK && bUseCksum && cksum!=cksum2 ) p->rc = FTS5_CORRUPT; fts5StructureRelease(pStruct); #ifdef SQLITE_DEBUG @@ -222499,12 +242117,14 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ ** function only. */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Decode a segment-data rowid from the %_data table. This function is ** the opposite of macro FTS5_SEGMENT_ROWID(). */ static void fts5DecodeRowid( i64 iRowid, /* Rowid from %_data table */ + int *pbTombstone, /* OUT: Tombstone hash flag */ int *piSegid, /* OUT: Segment id */ int *pbDlidx, /* OUT: Dlidx flag */ int *piHeight, /* OUT: Height */ @@ -222520,11 +242140,16 @@ static void fts5DecodeRowid( iRowid >>= FTS5_DATA_DLI_B; *piSegid = (int)(iRowid & (((i64)1 << FTS5_DATA_ID_B) - 1)); + iRowid >>= FTS5_DATA_ID_B; + + *pbTombstone = (int)(iRowid & 0x0001); } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ - int iSegid, iHeight, iPgno, bDlidx; /* Rowid compenents */ - fts5DecodeRowid(iKey, &iSegid, &bDlidx, &iHeight, &iPgno); + int iSegid, iHeight, iPgno, bDlidx, bTomb; /* Rowid compenents */ + fts5DecodeRowid(iKey, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); if( iSegid==0 ){ if( iKey==FTS5_AVERAGES_ROWID ){ @@ -222534,12 +242159,16 @@ static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ } } else{ - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%ssegid=%d h=%d pgno=%d}", - bDlidx ? "dlidx " : "", iSegid, iHeight, iPgno + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%s%ssegid=%d h=%d pgno=%d}", + bDlidx ? "dlidx " : "", + bTomb ? "tombstone " : "", + iSegid, iHeight, iPgno ); } } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugStructure( int *pRc, /* IN/OUT: error code */ Fts5Buffer *pBuf, @@ -222554,14 +242183,22 @@ static void fts5DebugStructure( ); for(iSeg=0; iSegnSeg; iSeg++){ Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d}", + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d", pSeg->iSegid, pSeg->pgnoFirst, pSeg->pgnoLast ); + if( pSeg->iOrigin1>0 ){ + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " origin=%lld..%lld", + pSeg->iOrigin1, pSeg->iOrigin2 + ); + } + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -222586,7 +242223,9 @@ static void fts5DecodeStructure( fts5DebugStructure(pRc, pBuf, p); fts5StructureRelease(p); } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -222609,7 +242248,9 @@ static void fts5DecodeAverages( zSpace = " "; } } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Buffer (a/n) is assumed to contain a list of serialized varints. Read ** each varint and append its string representation to buffer pBuf. Return @@ -222626,7 +242267,9 @@ static int fts5DecodePoslist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ } return iOff; } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The start of buffer (a/n) contains the start of a doclist. The doclist ** may or may not finish within the buffer. This function appends a text @@ -222659,7 +242302,9 @@ static int fts5DecodeDoclist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ return iOff; } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This function is part of the fts5_decode() debugging function. It is ** only ever used with detail=none tables. @@ -222700,7 +242345,9 @@ static void fts5DecodeRowidList( sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " %lld%s", iRowid, zApp); } } +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The implementation of user-defined scalar function fts5_decode(). */ @@ -222711,6 +242358,7 @@ static void fts5DecodeFunction( ){ i64 iRowid; /* Rowid for record being decoded */ int iSegid,iHeight,iPgno,bDlidx;/* Rowid components */ + int bTomb; const u8 *aBlob; int n; /* Record to decode */ u8 *a = 0; Fts5Buffer s; /* Build up text to return here */ @@ -222733,7 +242381,7 @@ static void fts5DecodeFunction( if( a==0 ) goto decode_out; if( n>0 ) memcpy(a, aBlob, n); - fts5DecodeRowid(iRowid, &iSegid, &bDlidx, &iHeight, &iPgno); + fts5DecodeRowid(iRowid, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); fts5DebugRowid(&rc, &s, iRowid); if( bDlidx ){ @@ -222752,6 +242400,28 @@ static void fts5DecodeFunction( " %d(%lld)", lvl.iLeafPgno, lvl.iRowid ); } + }else if( bTomb ){ + u32 nElem = fts5GetU32(&a[4]); + int szKey = (aBlob[0]==4 || aBlob[0]==8) ? aBlob[0] : 8; + int nSlot = (n - 8) / szKey; + int ii; + sqlite3Fts5BufferAppendPrintf(&rc, &s, " nElem=%d", (int)nElem); + if( aBlob[1] ){ + sqlite3Fts5BufferAppendPrintf(&rc, &s, " 0"); + } + for(ii=0; iiszLeaf ){ + rc = FTS5_CORRUPT; + }else{ + fts5DecodeRowidList(&rc, &s, &a[iOff], iTermOff-iOff); + } iOff = iTermOff; if( iOffestimatedCost = (double)100; + pIdxInfo->estimatedRows = 100; + pIdxInfo->idxNum = 0; + for(i=0, p=pIdxInfo->aConstraint; inConstraint; i++, p++){ + if( p->usable==0 ) continue; + if( p->op==SQLITE_INDEX_CONSTRAINT_EQ && p->iColumn==11 ){ + rc = SQLITE_OK; + pIdxInfo->aConstraintUsage[i].omit = 1; + pIdxInfo->aConstraintUsage[i].argvIndex = 1; + break; + } + } + return rc; +} + +/* +** This method is the destructor for bytecodevtab objects. +*/ +static int fts5structDisconnectMethod(sqlite3_vtab *pVtab){ + Fts5StructVtab *p = (Fts5StructVtab*)pVtab; + sqlite3_free(p); + return SQLITE_OK; +} + +/* +** Constructor for a new bytecodevtab_cursor object. +*/ +static int fts5structOpenMethod(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCsr){ + int rc = SQLITE_OK; + Fts5StructVcsr *pNew = 0; + + pNew = sqlite3Fts5MallocZero(&rc, sizeof(*pNew)); + *ppCsr = (sqlite3_vtab_cursor*)pNew; + + return SQLITE_OK; +} + +/* +** Destructor for a bytecodevtab_cursor. +*/ +static int fts5structCloseMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + fts5StructureRelease(pCsr->pStruct); + sqlite3_free(pCsr); + return SQLITE_OK; +} + + +/* +** Advance a bytecodevtab_cursor to its next row of output. +*/ +static int fts5structNextMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + + assert( pCsr->pStruct ); + pCsr->iSeg++; + pCsr->iRowid++; + while( pCsr->iLevelnLevel && pCsr->iSeg>=p->aLevel[pCsr->iLevel].nSeg ){ + pCsr->iLevel++; + pCsr->iSeg = 0; + } + if( pCsr->iLevel>=p->nLevel ){ + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + } + return SQLITE_OK; +} + +/* +** Return TRUE if the cursor has been moved off of the last +** row of output. +*/ +static int fts5structEofMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + return pCsr->pStruct==0; +} + +static int fts5structRowidMethod( + sqlite3_vtab_cursor *cur, + sqlite_int64 *piRowid +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + *piRowid = pCsr->iRowid; + return SQLITE_OK; +} + +/* +** Return values of columns for the row at which the bytecodevtab_cursor +** is currently pointing. +*/ +static int fts5structColumnMethod( + sqlite3_vtab_cursor *cur, /* The cursor */ + sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ + int i /* Which column to return */ +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + Fts5StructureSegment *pSeg = &p->aLevel[pCsr->iLevel].aSeg[pCsr->iSeg]; + + switch( i ){ + case 0: /* level */ + sqlite3_result_int(ctx, pCsr->iLevel); + break; + case 1: /* segment */ + sqlite3_result_int(ctx, pCsr->iSeg); + break; + case 2: /* merge */ + sqlite3_result_int(ctx, pCsr->iSeg < p->aLevel[pCsr->iLevel].nMerge); + break; + case 3: /* segid */ + sqlite3_result_int(ctx, pSeg->iSegid); + break; + case 4: /* leaf1 */ + sqlite3_result_int(ctx, pSeg->pgnoFirst); + break; + case 5: /* leaf2 */ + sqlite3_result_int(ctx, pSeg->pgnoLast); + break; + case 6: /* origin1 */ + sqlite3_result_int64(ctx, pSeg->iOrigin1); + break; + case 7: /* origin2 */ + sqlite3_result_int64(ctx, pSeg->iOrigin2); + break; + case 8: /* npgtombstone */ + sqlite3_result_int(ctx, pSeg->nPgTombstone); + break; + case 9: /* nentrytombstone */ + sqlite3_result_int64(ctx, pSeg->nEntryTombstone); + break; + case 10: /* nentry */ + sqlite3_result_int64(ctx, pSeg->nEntry); + break; + } + return SQLITE_OK; +} + +/* +** Initialize a cursor. +** +** idxNum==0 means show all subprograms +** idxNum==1 means show only the main bytecode and omit subprograms. +*/ +static int fts5structFilterMethod( + sqlite3_vtab_cursor *pVtabCursor, + int idxNum, const char *idxStr, + int argc, sqlite3_value **argv +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr *)pVtabCursor; + int rc = SQLITE_OK; + + const u8 *aBlob = 0; + int nBlob = 0; + + assert( argc==1 ); + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + + nBlob = sqlite3_value_bytes(argv[0]); + aBlob = (const u8*)sqlite3_value_blob(argv[0]); + rc = fts5StructureDecode(aBlob, nBlob, 0, &pCsr->pStruct); + if( rc==SQLITE_OK ){ + pCsr->iLevel = 0; + pCsr->iRowid = 0; + pCsr->iSeg = -1; + rc = fts5structNextMethod(pVtabCursor); + } + + return rc; +} + +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called as part of registering the FTS5 module with database @@ -222953,6 +242857,7 @@ static void fts5RowidFunction( ** SQLite error code is returned instead. */ static int sqlite3Fts5IndexInit(sqlite3 *db){ +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) int rc = sqlite3_create_function( db, "fts5_decode", 2, SQLITE_UTF8, 0, fts5DecodeFunction, 0, 0 ); @@ -222969,7 +242874,41 @@ static int sqlite3Fts5IndexInit(sqlite3 *db){ db, "fts5_rowid", -1, SQLITE_UTF8, 0, fts5RowidFunction, 0, 0 ); } + + if( rc==SQLITE_OK ){ + static const sqlite3_module fts5structure_module = { + 0, /* iVersion */ + 0, /* xCreate */ + fts5structConnectMethod, /* xConnect */ + fts5structBestIndexMethod, /* xBestIndex */ + fts5structDisconnectMethod, /* xDisconnect */ + 0, /* xDestroy */ + fts5structOpenMethod, /* xOpen */ + fts5structCloseMethod, /* xClose */ + fts5structFilterMethod, /* xFilter */ + fts5structNextMethod, /* xNext */ + fts5structEofMethod, /* xEof */ + fts5structColumnMethod, /* xColumn */ + fts5structRowidMethod, /* xRowid */ + 0, /* xUpdate */ + 0, /* xBegin */ + 0, /* xSync */ + 0, /* xCommit */ + 0, /* xRollback */ + 0, /* xFindFunction */ + 0, /* xRename */ + 0, /* xSavepoint */ + 0, /* xRelease */ + 0, /* xRollbackTo */ + 0 /* xShadowName */ + }; + rc = sqlite3_create_module(db, "fts5_structure", &fts5structure_module, 0); + } return rc; +#else + return SQLITE_OK; + UNUSED_PARAM(db); +#endif } @@ -223005,7 +242944,9 @@ static int sqlite3Fts5IndexReset(Fts5Index *p){ ** assert() conditions in the fts5 code are activated - conditions that are ** only true if it is guaranteed that the fts5 database is not corrupt. */ +#ifdef SQLITE_DEBUG SQLITE_API int sqlite3_fts5_may_be_corrupt = 1; +#endif typedef struct Fts5Auxdata Fts5Auxdata; @@ -223241,7 +243182,7 @@ static void fts5CheckTransactionState(Fts5FullTable *p, int op, int iSavepoint){ break; case FTS5_SYNC: - assert( p->ts.eState==1 ); + assert( p->ts.eState==1 || p->ts.eState==2 ); p->ts.eState = 2; break; @@ -223256,21 +243197,21 @@ static void fts5CheckTransactionState(Fts5FullTable *p, int op, int iSavepoint){ break; case FTS5_SAVEPOINT: - assert( p->ts.eState==1 ); + assert( p->ts.eState>=1 ); assert( iSavepoint>=0 ); assert( iSavepoint>=p->ts.iSavepoint ); p->ts.iSavepoint = iSavepoint; break; case FTS5_RELEASE: - assert( p->ts.eState==1 ); + assert( p->ts.eState>=1 ); assert( iSavepoint>=0 ); assert( iSavepoint<=p->ts.iSavepoint ); p->ts.iSavepoint = iSavepoint-1; break; case FTS5_ROLLBACKTO: - assert( p->ts.eState==1 ); + assert( p->ts.eState>=1 ); assert( iSavepoint>=-1 ); /* The following assert() can fail if another vtab strikes an error ** within an xSavepoint() call then SQLite calls xRollbackTo() - without @@ -223447,6 +243388,23 @@ static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){ #endif } +static int fts5UsePatternMatch( + Fts5Config *pConfig, + struct sqlite3_index_constraint *p +){ + assert( FTS5_PATTERN_GLOB==SQLITE_INDEX_CONSTRAINT_GLOB ); + assert( FTS5_PATTERN_LIKE==SQLITE_INDEX_CONSTRAINT_LIKE ); + if( pConfig->ePattern==FTS5_PATTERN_GLOB && p->op==FTS5_PATTERN_GLOB ){ + return 1; + } + if( pConfig->ePattern==FTS5_PATTERN_LIKE + && (p->op==FTS5_PATTERN_LIKE || p->op==FTS5_PATTERN_GLOB) + ){ + return 1; + } + return 0; +} + /* ** Implementation of the xBestIndex method for FTS5 tables. Within the ** WHERE constraint, it searches for the following: @@ -223476,7 +243434,9 @@ static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){ ** ** Match against table column: "m" ** Match against rank column: "r" -** Match against other column: "" +** Match against other column: "M" +** LIKE against other column: "L" +** GLOB against other column: "G" ** Equality constraint against the rowid: "=" ** A < or <= against the rowid: "<" ** A > or >= against the rowid: ">" @@ -223537,7 +243497,7 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ return SQLITE_ERROR; } - idxStr = (char*)sqlite3_malloc(pInfo->nConstraint * 6 + 1); + idxStr = (char*)sqlite3_malloc(pInfo->nConstraint * 8 + 1); if( idxStr==0 ) return SQLITE_NOMEM; pInfo->idxStr = idxStr; pInfo->needToFreeIdxStr = 1; @@ -223561,25 +243521,29 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ if( bSeenRank ) continue; idxStr[iIdxStr++] = 'r'; bSeenRank = 1; - }else{ + }else if( iCol>=0 ){ bSeenMatch = 1; - idxStr[iIdxStr++] = 'm'; - if( iColaConstraintUsage[i].argvIndex = ++iCons; pInfo->aConstraintUsage[i].omit = 1; } - } - else if( p->usable && bSeenEq==0 - && p->op==SQLITE_INDEX_CONSTRAINT_EQ && iCol<0 - ){ - idxStr[iIdxStr++] = '='; - bSeenEq = 1; - pInfo->aConstraintUsage[i].argvIndex = ++iCons; + }else if( p->usable ){ + if( iCol>=0 && iColop==FTS5_PATTERN_LIKE || p->op==FTS5_PATTERN_GLOB ); + idxStr[iIdxStr++] = p->op==FTS5_PATTERN_LIKE ? 'L' : 'G'; + sqlite3_snprintf(6, &idxStr[iIdxStr], "%d", iCol); + idxStr += strlen(&idxStr[iIdxStr]); + pInfo->aConstraintUsage[i].argvIndex = ++iCons; + assert( idxStr[iIdxStr]=='\0' ); + }else if( bSeenEq==0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ && iCol<0 ){ + idxStr[iIdxStr++] = '='; + bSeenEq = 1; + pInfo->aConstraintUsage[i].argvIndex = ++iCons; + } } } @@ -223762,7 +243726,7 @@ static int fts5SorterNext(Fts5Cursor *pCsr){ rc = sqlite3_step(pSorter->pStmt); if( rc==SQLITE_DONE ){ rc = SQLITE_OK; - CsrFlagSet(pCsr, FTS5CSR_EOF); + CsrFlagSet(pCsr, FTS5CSR_EOF|FTS5CSR_REQUIRE_CONTENT); }else if( rc==SQLITE_ROW ){ const u8 *a; const u8 *aBlob; @@ -224212,19 +244176,14 @@ static int fts5FilterMethod( case 'r': pRank = apVal[i]; break; - case 'm': { + case 'M': { const char *zText = (const char*)sqlite3_value_text(apVal[i]); if( zText==0 ) zText = ""; - - if( idxStr[iIdxStr]>='0' && idxStr[iIdxStr]<='9' ){ - iCol = 0; - do{ - iCol = iCol*10 + (idxStr[iIdxStr]-'0'); - iIdxStr++; - }while( idxStr[iIdxStr]>='0' && idxStr[iIdxStr]<='9' ); - }else{ - iCol = pConfig->nCol; - } + iCol = 0; + do{ + iCol = iCol*10 + (idxStr[iIdxStr]-'0'); + iIdxStr++; + }while( idxStr[iIdxStr]>='0' && idxStr[iIdxStr]<='9' ); if( zText[0]=='*' ){ /* The user has issued a query of the form "MATCH '*...'". This @@ -224234,7 +244193,7 @@ static int fts5FilterMethod( goto filter_out; }else{ char **pzErr = &pTab->p.base.zErrMsg; - rc = sqlite3Fts5ExprNew(pConfig, iCol, zText, &pExpr, pzErr); + rc = sqlite3Fts5ExprNew(pConfig, 0, iCol, zText, &pExpr, pzErr); if( rc==SQLITE_OK ){ rc = sqlite3Fts5ExprAnd(&pCsr->pExpr, pExpr); pExpr = 0; @@ -224244,6 +244203,25 @@ static int fts5FilterMethod( break; } + case 'L': + case 'G': { + int bGlob = (idxStr[iIdxStr-1]=='G'); + const char *zText = (const char*)sqlite3_value_text(apVal[i]); + iCol = 0; + do{ + iCol = iCol*10 + (idxStr[iIdxStr]-'0'); + iIdxStr++; + }while( idxStr[iIdxStr]>='0' && idxStr[iIdxStr]<='9' ); + if( zText ){ + rc = sqlite3Fts5ExprPattern(pConfig, bGlob, iCol, zText, &pExpr); + } + if( rc==SQLITE_OK ){ + rc = sqlite3Fts5ExprAnd(&pCsr->pExpr, pExpr); + pExpr = 0; + } + if( rc!=SQLITE_OK ) goto filter_out; + break; + } case '=': pRowidEq = apVal[i]; break; @@ -224318,7 +244296,8 @@ static int fts5FilterMethod( pTab->pStorage, fts5StmtType(pCsr), &pCsr->pStmt, &pTab->p.base.zErrMsg ); if( rc==SQLITE_OK ){ - if( pCsr->ePlan==FTS5_PLAN_ROWID ){ + if( pRowidEq!=0 ){ + assert( pCsr->ePlan==FTS5_PLAN_ROWID ); sqlite3_bind_value(pCsr->pStmt, 1, pRowidEq); }else{ sqlite3_bind_int64(pCsr->pStmt, 1, pCsr->iFirstRowid); @@ -224491,7 +244470,8 @@ static int fts5SpecialInsert( int nMerge = sqlite3_value_int(pVal); rc = sqlite3Fts5StorageMerge(pTab->pStorage, nMerge); }else if( 0==sqlite3_stricmp("integrity-check", zCmd) ){ - rc = sqlite3Fts5StorageIntegrity(pTab->pStorage); + int iArg = sqlite3_value_int(pVal); + rc = sqlite3Fts5StorageIntegrity(pTab->pStorage, iArg); #ifdef SQLITE_DEBUG }else if( 0==sqlite3_stricmp("prefix-index", zCmd) ){ pConfig->bPrefixIndex = sqlite3_value_int(pVal); @@ -224565,9 +244545,10 @@ static int fts5UpdateMethod( Fts5Config *pConfig = pTab->p.pConfig; int eType0; /* value_type() of apVal[0] */ int rc = SQLITE_OK; /* Return code */ + int bUpdateOrDelete = 0; /* A transaction must be open when this is called. */ - assert( pTab->ts.eState==1 ); + assert( pTab->ts.eState==1 || pTab->ts.eState==2 ); assert( pVtab->zErrMsg==0 ); assert( nArg==1 || nArg==(2+pConfig->nCol+2) ); @@ -224575,6 +244556,11 @@ static int fts5UpdateMethod( || sqlite3_value_type(apVal[0])==SQLITE_NULL ); assert( pTab->p.pConfig->pzErrmsg==0 ); + if( pConfig->pgsz==0 ){ + rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + if( rc!=SQLITE_OK ) return rc; + } + pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; /* Put any active cursors into REQUIRE_SEEK state. */ @@ -224589,7 +244575,14 @@ static int fts5UpdateMethod( if( pConfig->eContent!=FTS5_CONTENT_NORMAL && 0==sqlite3_stricmp("delete", z) ){ - rc = fts5SpecialDelete(pTab, apVal); + if( pConfig->bContentlessDelete ){ + fts5SetVtabError(pTab, + "'delete' may not be used with a contentless_delete=1 table" + ); + rc = SQLITE_ERROR; + }else{ + rc = fts5SpecialDelete(pTab, apVal); + } }else{ rc = fts5SpecialInsert(pTab, z, apVal[2 + pConfig->nCol + 1]); } @@ -224606,7 +244599,7 @@ static int fts5UpdateMethod( ** Cases 3 and 4 may violate the rowid constraint. */ int eConflict = SQLITE_ABORT; - if( pConfig->eContent==FTS5_CONTENT_NORMAL ){ + if( pConfig->eContent==FTS5_CONTENT_NORMAL || pConfig->bContentlessDelete ){ eConflict = sqlite3_vtab_on_conflict(pConfig->db); } @@ -224614,8 +244607,12 @@ static int fts5UpdateMethod( assert( nArg!=1 || eType0==SQLITE_INTEGER ); /* Filter out attempts to run UPDATE or DELETE on contentless tables. - ** This is not suported. */ - if( eType0==SQLITE_INTEGER && fts5IsContentless(pTab) ){ + ** This is not suported. Except - DELETE is supported if the CREATE + ** VIRTUAL TABLE statement contained "contentless_delete=1". */ + if( eType0==SQLITE_INTEGER + && pConfig->eContent==FTS5_CONTENT_NONE + && pConfig->bContentlessDelete==0 + ){ pTab->p.base.zErrMsg = sqlite3_mprintf( "cannot %s contentless fts5 table: %s", (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName @@ -224627,6 +244624,7 @@ static int fts5UpdateMethod( else if( nArg==1 ){ i64 iDel = sqlite3_value_int64(apVal[0]); /* Rowid to delete */ rc = sqlite3Fts5StorageDelete(pTab->pStorage, iDel, 0); + bUpdateOrDelete = 1; } /* INSERT or UPDATE */ @@ -224642,6 +244640,7 @@ static int fts5UpdateMethod( if( eConflict==SQLITE_REPLACE && eType1==SQLITE_INTEGER ){ i64 iNew = sqlite3_value_int64(apVal[1]); /* Rowid to delete */ rc = sqlite3Fts5StorageDelete(pTab->pStorage, iNew, 0); + bUpdateOrDelete = 1; } fts5StorageInsert(&rc, pTab, apVal, pRowid); } @@ -224670,10 +244669,24 @@ static int fts5UpdateMethod( rc = sqlite3Fts5StorageDelete(pTab->pStorage, iOld, 0); fts5StorageInsert(&rc, pTab, apVal, pRowid); } + bUpdateOrDelete = 1; } } } + if( rc==SQLITE_OK + && bUpdateOrDelete + && pConfig->bSecureDelete + && pConfig->iVersion==FTS5_CURRENT_VERSION + ){ + rc = sqlite3Fts5StorageConfigValue( + pTab->pStorage, "version", 0, FTS5_CURRENT_VERSION_SECUREDELETE + ); + if( rc==SQLITE_OK ){ + pConfig->iVersion = FTS5_CURRENT_VERSION_SECUREDELETE; + } + } + pTab->p.pConfig->pzErrmsg = 0; return rc; } @@ -224686,8 +244699,7 @@ static int fts5SyncMethod(sqlite3_vtab *pVtab){ Fts5FullTable *pTab = (Fts5FullTable*)pVtab; fts5CheckTransactionState(pTab, FTS5_SYNC, 0); pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; - fts5TripCursors(pTab); - rc = sqlite3Fts5StorageSync(pTab->pStorage); + rc = sqlite3Fts5FlushToDisk(&pTab->p); pTab->p.pConfig->pzErrmsg = 0; return rc; } @@ -224892,13 +244904,15 @@ static int fts5CacheInstArray(Fts5Cursor *pCsr){ nInst++; if( nInst>=pCsr->nInstAlloc ){ - pCsr->nInstAlloc = pCsr->nInstAlloc ? pCsr->nInstAlloc*2 : 32; + int nNewSize = pCsr->nInstAlloc ? pCsr->nInstAlloc*2 : 32; aInst = (int*)sqlite3_realloc64( - pCsr->aInst, pCsr->nInstAlloc*sizeof(int)*3 + pCsr->aInst, nNewSize*sizeof(int)*3 ); if( aInst ){ pCsr->aInst = aInst; + pCsr->nInstAlloc = nNewSize; }else{ + nInst--; rc = SQLITE_NOMEM; break; } @@ -225122,7 +245136,8 @@ static int fts5ApiPhraseFirst( int n; int rc = fts5CsrPoslist(pCsr, iPhrase, &pIter->a, &n); if( rc==SQLITE_OK ){ - pIter->b = &pIter->a[n]; + assert( pIter->a || n==0 ); + pIter->b = (pIter->a ? &pIter->a[n] : 0); *piCol = 0; *piOff = 0; fts5ApiPhraseNext(pCtx, pIter, piCol, piOff); @@ -225181,7 +245196,8 @@ static int fts5ApiPhraseFirstColumn( rc = sqlite3Fts5ExprPhraseCollist(pCsr->pExpr, iPhrase, &pIter->a, &n); } if( rc==SQLITE_OK ){ - pIter->b = &pIter->a[n]; + assert( pIter->a || n==0 ); + pIter->b = (pIter->a ? &pIter->a[n] : 0); *piCol = 0; fts5ApiPhraseNextColumn(pCtx, pIter, piCol); } @@ -225189,7 +245205,8 @@ static int fts5ApiPhraseFirstColumn( int n; rc = fts5CsrPoslist(pCsr, iPhrase, &pIter->a, &n); if( rc==SQLITE_OK ){ - pIter->b = &pIter->a[n]; + assert( pIter->a || n==0 ); + pIter->b = (pIter->a ? &pIter->a[n] : 0); if( n<=0 ){ *piCol = -1; }else if( pIter->a[0]==0x01 ){ @@ -225449,6 +245466,12 @@ static int fts5ColumnMethod( sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1)); } pConfig->pzErrmsg = 0; + }else if( pConfig->bContentlessDelete && sqlite3_vtab_nochange(pCtx) ){ + char *zErr = sqlite3_mprintf("cannot UPDATE a subset of " + "columns on fts5 contentless-delete table: %s", pConfig->zName + ); + sqlite3_result_error(pCtx, zErr, -1); + sqlite3_free(zErr); } return rc; } @@ -225528,6 +245551,7 @@ static int fts5RollbackToMethod(sqlite3_vtab *pVtab, int iSavepoint){ UNUSED_PARAM(iSavepoint); /* Call below is a no-op for NDEBUG builds */ fts5CheckTransactionState(pTab, FTS5_ROLLBACKTO, iSavepoint); fts5TripCursors(pTab); + pTab->p.pConfig->pgsz = 0; return sqlite3Fts5StorageRollback(pTab->pStorage); } @@ -225654,8 +245678,7 @@ static int sqlite3Fts5GetTokenizer( Fts5Global *pGlobal, const char **azArg, int nArg, - Fts5Tokenizer **ppTok, - fts5_tokenizer **ppTokApi, + Fts5Config *pConfig, char **pzErr ){ Fts5TokenizerModule *pMod; @@ -225667,16 +245690,22 @@ static int sqlite3Fts5GetTokenizer( rc = SQLITE_ERROR; *pzErr = sqlite3_mprintf("no such tokenizer: %s", azArg[0]); }else{ - rc = pMod->x.xCreate(pMod->pUserData, &azArg[1], (nArg?nArg-1:0), ppTok); - *ppTokApi = &pMod->x; - if( rc!=SQLITE_OK && pzErr ){ - *pzErr = sqlite3_mprintf("error in tokenizer constructor"); + rc = pMod->x.xCreate( + pMod->pUserData, (azArg?&azArg[1]:0), (nArg?nArg-1:0), &pConfig->pTok + ); + pConfig->pTokApi = &pMod->x; + if( rc!=SQLITE_OK ){ + if( pzErr ) *pzErr = sqlite3_mprintf("error in tokenizer constructor"); + }else{ + pConfig->ePattern = sqlite3Fts5TokenizerPattern( + pMod->x.xCreate, pConfig->pTok + ); } } if( rc!=SQLITE_OK ){ - *ppTokApi = 0; - *ppTok = 0; + pConfig->pTokApi = 0; + pConfig->pTok = 0; } return rc; @@ -225725,7 +245754,7 @@ static void fts5SourceIdFunc( ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2023-09-11 12:01:27 2d3a40c05c49e1a49264912b1a05bc2143ac0e7c3df588276ce80a4cbc9bd1b0", -1, SQLITE_TRANSIENT); } /* @@ -225798,7 +245827,9 @@ static int fts5Init(sqlite3 *db){ } if( rc==SQLITE_OK ){ rc = sqlite3_create_function( - db, "fts5_source_id", 0, SQLITE_UTF8, p, fts5SourceIdFunc, 0, 0 + db, "fts5_source_id", 0, + SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS, + p, fts5SourceIdFunc, 0, 0 ); } } @@ -225936,10 +245967,10 @@ static int fts5StorageGetStmt( "INSERT INTO %Q.'%q_content' VALUES(%s)", /* INSERT_CONTENT */ "REPLACE INTO %Q.'%q_content' VALUES(%s)", /* REPLACE_CONTENT */ "DELETE FROM %Q.'%q_content' WHERE id=?", /* DELETE_CONTENT */ - "REPLACE INTO %Q.'%q_docsize' VALUES(?,?)", /* REPLACE_DOCSIZE */ + "REPLACE INTO %Q.'%q_docsize' VALUES(?,?%s)", /* REPLACE_DOCSIZE */ "DELETE FROM %Q.'%q_docsize' WHERE id=?", /* DELETE_DOCSIZE */ - "SELECT sz FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ + "SELECT sz%s FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ "REPLACE INTO %Q.'%q_config' VALUES(?,?)", /* REPLACE_CONFIG */ "SELECT %s FROM %s AS T", /* SCAN */ @@ -225987,6 +246018,19 @@ static int fts5StorageGetStmt( break; } + case FTS5_STMT_REPLACE_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName, + (pC->bContentlessDelete ? ",?" : "") + ); + break; + + case FTS5_STMT_LOOKUP_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], + (pC->bContentlessDelete ? ",origin" : ""), + pC->zDb, pC->zName + ); + break; + default: zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName); break; @@ -226176,9 +246220,11 @@ static int sqlite3Fts5StorageOpen( } if( rc==SQLITE_OK && pConfig->bColumnsize ){ - rc = sqlite3Fts5CreateTable( - pConfig, "docsize", "id INTEGER PRIMARY KEY, sz BLOB", 0, pzErr - ); + const char *zCols = "id INTEGER PRIMARY KEY, sz BLOB"; + if( pConfig->bContentlessDelete ){ + zCols = "id INTEGER PRIMARY KEY, sz BLOB, origin INTEGER"; + } + rc = sqlite3Fts5CreateTable(pConfig, "docsize", zCols, 0, pzErr); } if( rc==SQLITE_OK ){ rc = sqlite3Fts5CreateTable( @@ -226255,7 +246301,7 @@ static int fts5StorageDeleteFromIndex( ){ Fts5Config *pConfig = p->pConfig; sqlite3_stmt *pSeek = 0; /* SELECT to read row iDel from %_data */ - int rc; /* Return code */ + int rc = SQLITE_OK; /* Return code */ int rc2; /* sqlite3_reset() return code */ int iCol; Fts5InsertCtx ctx; @@ -226271,32 +246317,73 @@ static int fts5StorageDeleteFromIndex( ctx.pStorage = p; ctx.iCol = -1; - rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); for(iCol=1; rc==SQLITE_OK && iCol<=pConfig->nCol; iCol++){ if( pConfig->abUnindexed[iCol-1]==0 ){ const char *zText; int nText; + assert( pSeek==0 || apVal==0 ); + assert( pSeek!=0 || apVal!=0 ); if( pSeek ){ zText = (const char*)sqlite3_column_text(pSeek, iCol); nText = sqlite3_column_bytes(pSeek, iCol); - }else{ + }else if( ALWAYS(apVal) ){ zText = (const char*)sqlite3_value_text(apVal[iCol-1]); nText = sqlite3_value_bytes(apVal[iCol-1]); + }else{ + continue; } ctx.szCol = 0; rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, zText, nText, (void*)&ctx, fts5StorageInsertCallback ); p->aTotalSize[iCol-1] -= (i64)ctx.szCol; + if( p->aTotalSize[iCol-1]<0 ){ + rc = FTS5_CORRUPT; + } } } - p->nTotalRow--; + if( rc==SQLITE_OK && p->nTotalRow<1 ){ + rc = FTS5_CORRUPT; + }else{ + p->nTotalRow--; + } rc2 = sqlite3_reset(pSeek); if( rc==SQLITE_OK ) rc = rc2; return rc; } +/* +** This function is called to process a DELETE on a contentless_delete=1 +** table. It adds the tombstone required to delete the entry with rowid +** iDel. If successful, SQLITE_OK is returned. Or, if an error occurs, +** an SQLite error code. +*/ +static int fts5StorageContentlessDelete(Fts5Storage *p, i64 iDel){ + i64 iOrigin = 0; + sqlite3_stmt *pLookup = 0; + int rc = SQLITE_OK; + + assert( p->pConfig->bContentlessDelete ); + assert( p->pConfig->eContent==FTS5_CONTENT_NONE ); + + /* Look up the origin of the document in the %_docsize table. Store + ** this in stack variable iOrigin. */ + rc = fts5StorageGetStmt(p, FTS5_STMT_LOOKUP_DOCSIZE, &pLookup, 0); + if( rc==SQLITE_OK ){ + sqlite3_bind_int64(pLookup, 1, iDel); + if( SQLITE_ROW==sqlite3_step(pLookup) ){ + iOrigin = sqlite3_column_int64(pLookup, 1); + } + rc = sqlite3_reset(pLookup); + } + + if( rc==SQLITE_OK && iOrigin!=0 ){ + rc = sqlite3Fts5IndexContentlessDelete(p->pIndex, iOrigin, iDel); + } + + return rc; +} /* ** Insert a record into the %_docsize table. Specifically, do: @@ -226317,10 +246404,17 @@ static int fts5StorageInsertDocsize( rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0); if( rc==SQLITE_OK ){ sqlite3_bind_int64(pReplace, 1, iRowid); - sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); - sqlite3_step(pReplace); - rc = sqlite3_reset(pReplace); - sqlite3_bind_null(pReplace, 2); + if( p->pConfig->bContentlessDelete ){ + i64 iOrigin = 0; + rc = sqlite3Fts5IndexGetOrigin(p->pIndex, &iOrigin); + sqlite3_bind_int64(pReplace, 3, iOrigin); + } + if( rc==SQLITE_OK ){ + sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); + sqlite3_step(pReplace); + rc = sqlite3_reset(pReplace); + sqlite3_bind_null(pReplace, 2); + } } } return rc; @@ -226384,7 +246478,15 @@ static int sqlite3Fts5StorageDelete(Fts5Storage *p, i64 iDel, sqlite3_value **ap /* Delete the index records */ if( rc==SQLITE_OK ){ - rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); + } + + if( rc==SQLITE_OK ){ + if( p->pConfig->bContentlessDelete ){ + rc = fts5StorageContentlessDelete(p, iDel); + }else{ + rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + } } /* Delete the %_docsize record */ @@ -226733,13 +246835,14 @@ static int fts5StorageIntegrityCallback( ** some other SQLite error code if an error occurs while attempting to ** determine this. */ -static int sqlite3Fts5StorageIntegrity(Fts5Storage *p){ +static int sqlite3Fts5StorageIntegrity(Fts5Storage *p, int iArg){ Fts5Config *pConfig = p->pConfig; - int rc; /* Return code */ + int rc = SQLITE_OK; /* Return code */ int *aColSize; /* Array of size pConfig->nCol */ i64 *aTotalSize; /* Array of size pConfig->nCol */ Fts5IntegrityCtx ctx; sqlite3_stmt *pScan; + int bUseCksum; memset(&ctx, 0, sizeof(Fts5IntegrityCtx)); ctx.pConfig = p->pConfig; @@ -226748,83 +246851,88 @@ static int sqlite3Fts5StorageIntegrity(Fts5Storage *p){ aColSize = (int*)&aTotalSize[pConfig->nCol]; memset(aTotalSize, 0, sizeof(i64) * pConfig->nCol); - /* Generate the expected index checksum based on the contents of the - ** %_content table. This block stores the checksum in ctx.cksum. */ - rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0); - if( rc==SQLITE_OK ){ - int rc2; - while( SQLITE_ROW==sqlite3_step(pScan) ){ - int i; - ctx.iRowid = sqlite3_column_int64(pScan, 0); - ctx.szCol = 0; - if( pConfig->bColumnsize ){ - rc = sqlite3Fts5StorageDocsize(p, ctx.iRowid, aColSize); - } - if( rc==SQLITE_OK && pConfig->eDetail==FTS5_DETAIL_NONE ){ - rc = sqlite3Fts5TermsetNew(&ctx.pTermset); - } - for(i=0; rc==SQLITE_OK && inCol; i++){ - if( pConfig->abUnindexed[i] ) continue; - ctx.iCol = i; + bUseCksum = (pConfig->eContent==FTS5_CONTENT_NORMAL + || (pConfig->eContent==FTS5_CONTENT_EXTERNAL && iArg) + ); + if( bUseCksum ){ + /* Generate the expected index checksum based on the contents of the + ** %_content table. This block stores the checksum in ctx.cksum. */ + rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0); + if( rc==SQLITE_OK ){ + int rc2; + while( SQLITE_ROW==sqlite3_step(pScan) ){ + int i; + ctx.iRowid = sqlite3_column_int64(pScan, 0); ctx.szCol = 0; - if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){ - rc = sqlite3Fts5TermsetNew(&ctx.pTermset); - } - if( rc==SQLITE_OK ){ - const char *zText = (const char*)sqlite3_column_text(pScan, i+1); - int nText = sqlite3_column_bytes(pScan, i+1); - rc = sqlite3Fts5Tokenize(pConfig, - FTS5_TOKENIZE_DOCUMENT, - zText, nText, - (void*)&ctx, - fts5StorageIntegrityCallback - ); + if( pConfig->bColumnsize ){ + rc = sqlite3Fts5StorageDocsize(p, ctx.iRowid, aColSize); } - if( rc==SQLITE_OK && pConfig->bColumnsize && ctx.szCol!=aColSize[i] ){ - rc = FTS5_CORRUPT; + if( rc==SQLITE_OK && pConfig->eDetail==FTS5_DETAIL_NONE ){ + rc = sqlite3Fts5TermsetNew(&ctx.pTermset); } - aTotalSize[i] += ctx.szCol; - if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){ - sqlite3Fts5TermsetFree(ctx.pTermset); - ctx.pTermset = 0; + for(i=0; rc==SQLITE_OK && inCol; i++){ + if( pConfig->abUnindexed[i] ) continue; + ctx.iCol = i; + ctx.szCol = 0; + if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){ + rc = sqlite3Fts5TermsetNew(&ctx.pTermset); + } + if( rc==SQLITE_OK ){ + const char *zText = (const char*)sqlite3_column_text(pScan, i+1); + int nText = sqlite3_column_bytes(pScan, i+1); + rc = sqlite3Fts5Tokenize(pConfig, + FTS5_TOKENIZE_DOCUMENT, + zText, nText, + (void*)&ctx, + fts5StorageIntegrityCallback + ); + } + if( rc==SQLITE_OK && pConfig->bColumnsize && ctx.szCol!=aColSize[i] ){ + rc = FTS5_CORRUPT; + } + aTotalSize[i] += ctx.szCol; + if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){ + sqlite3Fts5TermsetFree(ctx.pTermset); + ctx.pTermset = 0; + } } - } - sqlite3Fts5TermsetFree(ctx.pTermset); - ctx.pTermset = 0; + sqlite3Fts5TermsetFree(ctx.pTermset); + ctx.pTermset = 0; - if( rc!=SQLITE_OK ) break; + if( rc!=SQLITE_OK ) break; + } + rc2 = sqlite3_reset(pScan); + if( rc==SQLITE_OK ) rc = rc2; } - rc2 = sqlite3_reset(pScan); - if( rc==SQLITE_OK ) rc = rc2; - } - /* Test that the "totals" (sometimes called "averages") record looks Ok */ - if( rc==SQLITE_OK ){ - int i; - rc = fts5StorageLoadTotals(p, 0); - for(i=0; rc==SQLITE_OK && inCol; i++){ - if( p->aTotalSize[i]!=aTotalSize[i] ) rc = FTS5_CORRUPT; + /* Test that the "totals" (sometimes called "averages") record looks Ok */ + if( rc==SQLITE_OK ){ + int i; + rc = fts5StorageLoadTotals(p, 0); + for(i=0; rc==SQLITE_OK && inCol; i++){ + if( p->aTotalSize[i]!=aTotalSize[i] ) rc = FTS5_CORRUPT; + } } - } - /* Check that the %_docsize and %_content tables contain the expected - ** number of rows. */ - if( rc==SQLITE_OK && pConfig->eContent==FTS5_CONTENT_NORMAL ){ - i64 nRow = 0; - rc = fts5StorageCount(p, "content", &nRow); - if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT; - } - if( rc==SQLITE_OK && pConfig->bColumnsize ){ - i64 nRow = 0; - rc = fts5StorageCount(p, "docsize", &nRow); - if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT; + /* Check that the %_docsize and %_content tables contain the expected + ** number of rows. */ + if( rc==SQLITE_OK && pConfig->eContent==FTS5_CONTENT_NORMAL ){ + i64 nRow = 0; + rc = fts5StorageCount(p, "content", &nRow); + if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT; + } + if( rc==SQLITE_OK && pConfig->bColumnsize ){ + i64 nRow = 0; + rc = fts5StorageCount(p, "docsize", &nRow); + if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT; + } } /* Pass the expected checksum down to the FTS index module. It will ** verify, amongst other things, that it matches the checksum generated by ** inspecting the index itself. */ if( rc==SQLITE_OK ){ - rc = sqlite3Fts5IndexIntegrityCheck(p->pIndex, ctx.cksum); + rc = sqlite3Fts5IndexIntegrityCheck(p->pIndex, ctx.cksum, bUseCksum); } sqlite3_free(aTotalSize); @@ -226904,8 +247012,9 @@ static int sqlite3Fts5StorageDocsize(Fts5Storage *p, i64 iRowid, int *aCol){ assert( p->pConfig->bColumnsize ); rc = fts5StorageGetStmt(p, FTS5_STMT_LOOKUP_DOCSIZE, &pLookup, 0); - if( rc==SQLITE_OK ){ + if( pLookup ){ int bCorrupt = 1; + assert( rc==SQLITE_OK ); sqlite3_bind_int64(pLookup, 1, iRowid); if( SQLITE_ROW==sqlite3_step(pLookup) ){ const u8 *aBlob = sqlite3_column_blob(pLookup, 0); @@ -226918,6 +247027,8 @@ static int sqlite3Fts5StorageDocsize(Fts5Storage *p, i64 iRowid, int *aCol){ if( bCorrupt && rc==SQLITE_OK ){ rc = FTS5_CORRUPT; } + }else{ + assert( rc!=SQLITE_OK ); } return rc; @@ -228266,6 +248377,133 @@ static int fts5PorterTokenize( ); } +/************************************************************************** +** Start of trigram implementation. +*/ +typedef struct TrigramTokenizer TrigramTokenizer; +struct TrigramTokenizer { + int bFold; /* True to fold to lower-case */ +}; + +/* +** Free a trigram tokenizer. +*/ +static void fts5TriDelete(Fts5Tokenizer *p){ + sqlite3_free(p); +} + +/* +** Allocate a trigram tokenizer. +*/ +static int fts5TriCreate( + void *pUnused, + const char **azArg, + int nArg, + Fts5Tokenizer **ppOut +){ + int rc = SQLITE_OK; + TrigramTokenizer *pNew = (TrigramTokenizer*)sqlite3_malloc(sizeof(*pNew)); + UNUSED_PARAM(pUnused); + if( pNew==0 ){ + rc = SQLITE_NOMEM; + }else{ + int i; + pNew->bFold = 1; + for(i=0; rc==SQLITE_OK && ibFold = (zArg[0]=='0'); + } + }else{ + rc = SQLITE_ERROR; + } + } + if( rc!=SQLITE_OK ){ + fts5TriDelete((Fts5Tokenizer*)pNew); + pNew = 0; + } + } + *ppOut = (Fts5Tokenizer*)pNew; + return rc; +} + +/* +** Trigram tokenizer tokenize routine. +*/ +static int fts5TriTokenize( + Fts5Tokenizer *pTok, + void *pCtx, + int unusedFlags, + const char *pText, int nText, + int (*xToken)(void*, int, const char*, int, int, int) +){ + TrigramTokenizer *p = (TrigramTokenizer*)pTok; + int rc = SQLITE_OK; + char aBuf[32]; + const unsigned char *zIn = (const unsigned char*)pText; + const unsigned char *zEof = &zIn[nText]; + u32 iCode; + + UNUSED_PARAM(unusedFlags); + while( 1 ){ + char *zOut = aBuf; + int iStart = zIn - (const unsigned char*)pText; + const unsigned char *zNext; + + READ_UTF8(zIn, zEof, iCode); + if( iCode==0 ) break; + zNext = zIn; + if( zInbFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); + WRITE_UTF8(zOut, iCode); + READ_UTF8(zIn, zEof, iCode); + if( iCode==0 ) break; + }else{ + break; + } + if( zInbFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); + WRITE_UTF8(zOut, iCode); + READ_UTF8(zIn, zEof, iCode); + if( iCode==0 ) break; + if( p->bFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); + WRITE_UTF8(zOut, iCode); + }else{ + break; + } + rc = xToken(pCtx, 0, aBuf, zOut-aBuf, iStart, iStart + zOut-aBuf); + if( rc!=SQLITE_OK ) break; + zIn = zNext; + } + + return rc; +} + +/* +** Argument xCreate is a pointer to a constructor function for a tokenizer. +** pTok is a tokenizer previously created using the same method. This function +** returns one of FTS5_PATTERN_NONE, FTS5_PATTERN_LIKE or FTS5_PATTERN_GLOB +** indicating the style of pattern matching that the tokenizer can support. +** In practice, this is: +** +** "trigram" tokenizer, case_sensitive=1 - FTS5_PATTERN_GLOB +** "trigram" tokenizer, case_sensitive=0 (the default) - FTS5_PATTERN_LIKE +** all other tokenizers - FTS5_PATTERN_NONE +*/ +static int sqlite3Fts5TokenizerPattern( + int (*xCreate)(void*, const char**, int, Fts5Tokenizer**), + Fts5Tokenizer *pTok +){ + if( xCreate==fts5TriCreate ){ + TrigramTokenizer *p = (TrigramTokenizer*)pTok; + return p->bFold ? FTS5_PATTERN_LIKE : FTS5_PATTERN_GLOB; + } + return FTS5_PATTERN_NONE; +} + /* ** Register all built-in tokenizers with FTS5. */ @@ -228277,6 +248515,7 @@ static int sqlite3Fts5TokenizerInit(fts5_api *pApi){ { "unicode61", {fts5UnicodeCreate, fts5UnicodeDelete, fts5UnicodeTokenize}}, { "ascii", {fts5AsciiCreate, fts5AsciiDelete, fts5AsciiTokenize }}, { "porter", {fts5PorterCreate, fts5PorterDelete, fts5PorterTokenize }}, + { "trigram", {fts5TriCreate, fts5TriDelete, fts5TriTokenize}}, }; int rc = SQLITE_OK; /* Return code */ @@ -229069,8 +249308,10 @@ static void sqlite3Fts5UnicodeAscii(u8 *aArray, u8 *aAscii){ } iTbl++; } + aAscii[0] = 0; /* 0x00 is never a token character */ } + /* ** 2015 May 30 ** @@ -229478,6 +249719,7 @@ struct Fts5VocabCursor { int bEof; /* True if this cursor is at EOF */ Fts5IndexIter *pIter; /* Term/rowid iterator object */ + void *pStruct; /* From sqlite3Fts5StructureRef() */ int nLeTerm; /* Size of zLeTerm in bytes */ char *zLeTerm; /* (term <= $zLeTerm) paramater, or NULL */ @@ -229791,7 +250033,7 @@ static int fts5VocabOpenMethod( } if( rc==SQLITE_OK ){ - int nByte = pFts5->pConfig->nCol * sizeof(i64)*2 + sizeof(Fts5VocabCursor); + i64 nByte = pFts5->pConfig->nCol * sizeof(i64)*2 + sizeof(Fts5VocabCursor); pCsr = (Fts5VocabCursor*)sqlite3Fts5MallocZero(&rc, nByte); } @@ -229811,6 +250053,8 @@ static int fts5VocabOpenMethod( static void fts5VocabResetCursor(Fts5VocabCursor *pCsr){ pCsr->rowid = 0; sqlite3Fts5IterClose(pCsr->pIter); + sqlite3Fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; pCsr->pIter = 0; sqlite3_free(pCsr->zLeTerm); pCsr->nLeTerm = -1; @@ -229888,9 +250132,11 @@ static int fts5VocabInstanceNext(Fts5VocabCursor *pCsr){ static int fts5VocabNextMethod(sqlite3_vtab_cursor *pCursor){ Fts5VocabCursor *pCsr = (Fts5VocabCursor*)pCursor; Fts5VocabTable *pTab = (Fts5VocabTable*)pCursor->pVtab; - int rc = SQLITE_OK; int nCol = pCsr->pFts5->pConfig->nCol; + int rc; + rc = sqlite3Fts5StructureTest(pCsr->pFts5->pIndex, pCsr->pStruct); + if( rc!=SQLITE_OK ) return rc; pCsr->rowid++; if( pTab->eType==FTS5_VOCAB_INSTANCE ){ @@ -230064,6 +250310,9 @@ static int fts5VocabFilterMethod( if( rc==SQLITE_OK ){ Fts5Index *pIndex = pCsr->pFts5->pIndex; rc = sqlite3Fts5IndexQuery(pIndex, zTerm, nTerm, f, 0, &pCsr->pIter); + if( rc==SQLITE_OK ){ + pCsr->pStruct = sqlite3Fts5StructureRef(pIndex); + } } if( rc==SQLITE_OK && eType==FTS5_VOCAB_INSTANCE ){ rc = fts5VocabInstanceNewTerm(pCsr); @@ -230238,6 +250487,16 @@ SQLITE_EXTENSION_INIT1 #ifndef SQLITE_OMIT_VIRTUALTABLE + +#define STMT_NUM_INTEGER_COLUMN 10 +typedef struct StmtRow StmtRow; +struct StmtRow { + sqlite3_int64 iRowid; /* Rowid value */ + char *zSql; /* column "sql" */ + int aCol[STMT_NUM_INTEGER_COLUMN+1]; /* all other column values */ + StmtRow *pNext; /* Next row to return */ +}; + /* stmt_vtab is a subclass of sqlite3_vtab which will ** serve as the underlying representation of a stmt virtual table */ @@ -230255,8 +250514,7 @@ typedef struct stmt_cursor stmt_cursor; struct stmt_cursor { sqlite3_vtab_cursor base; /* Base class - must be first */ sqlite3 *db; /* Database connection for this cursor */ - sqlite3_stmt *pStmt; /* Statement cursor is currently pointing at */ - sqlite3_int64 iRowid; /* The rowid */ + StmtRow *pRow; /* Current row */ }; /* @@ -230296,11 +250554,15 @@ static int stmtConnect( #define STMT_COLUMN_MEM 10 /* SQLITE_STMTSTATUS_MEMUSED */ + (void)pAux; + (void)argc; + (void)argv; + (void)pzErr; rc = sqlite3_declare_vtab(db, "CREATE TABLE x(sql,ncol,ro,busy,nscan,nsort,naidx,nstep," "reprep,run,mem)"); if( rc==SQLITE_OK ){ - pNew = sqlite3_malloc( sizeof(*pNew) ); + pNew = sqlite3_malloc64( sizeof(*pNew) ); *ppVtab = (sqlite3_vtab*)pNew; if( pNew==0 ) return SQLITE_NOMEM; memset(pNew, 0, sizeof(*pNew)); @@ -230322,7 +250584,7 @@ static int stmtDisconnect(sqlite3_vtab *pVtab){ */ static int stmtOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ stmt_cursor *pCur; - pCur = sqlite3_malloc( sizeof(*pCur) ); + pCur = sqlite3_malloc64( sizeof(*pCur) ); if( pCur==0 ) return SQLITE_NOMEM; memset(pCur, 0, sizeof(*pCur)); pCur->db = ((stmt_vtab*)p)->db; @@ -230330,10 +250592,21 @@ static int stmtOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ return SQLITE_OK; } +static void stmtCsrReset(stmt_cursor *pCur){ + StmtRow *pRow = 0; + StmtRow *pNext = 0; + for(pRow=pCur->pRow; pRow; pRow=pNext){ + pNext = pRow->pNext; + sqlite3_free(pRow); + } + pCur->pRow = 0; +} + /* ** Destructor for a stmt_cursor. */ static int stmtClose(sqlite3_vtab_cursor *cur){ + stmtCsrReset((stmt_cursor*)cur); sqlite3_free(cur); return SQLITE_OK; } @@ -230344,8 +250617,9 @@ static int stmtClose(sqlite3_vtab_cursor *cur){ */ static int stmtNext(sqlite3_vtab_cursor *cur){ stmt_cursor *pCur = (stmt_cursor*)cur; - pCur->iRowid++; - pCur->pStmt = sqlite3_next_stmt(pCur->db, pCur->pStmt); + StmtRow *pNext = pCur->pRow->pNext; + sqlite3_free(pCur->pRow); + pCur->pRow = pNext; return SQLITE_OK; } @@ -230359,39 +250633,11 @@ static int stmtColumn( int i /* Which column to return */ ){ stmt_cursor *pCur = (stmt_cursor*)cur; - switch( i ){ - case STMT_COLUMN_SQL: { - sqlite3_result_text(ctx, sqlite3_sql(pCur->pStmt), -1, SQLITE_TRANSIENT); - break; - } - case STMT_COLUMN_NCOL: { - sqlite3_result_int(ctx, sqlite3_column_count(pCur->pStmt)); - break; - } - case STMT_COLUMN_RO: { - sqlite3_result_int(ctx, sqlite3_stmt_readonly(pCur->pStmt)); - break; - } - case STMT_COLUMN_BUSY: { - sqlite3_result_int(ctx, sqlite3_stmt_busy(pCur->pStmt)); - break; - } - default: { - assert( i==STMT_COLUMN_MEM ); - i = SQLITE_STMTSTATUS_MEMUSED + - STMT_COLUMN_NSCAN - SQLITE_STMTSTATUS_FULLSCAN_STEP; - /* Fall thru */ - } - case STMT_COLUMN_NSCAN: - case STMT_COLUMN_NSORT: - case STMT_COLUMN_NAIDX: - case STMT_COLUMN_NSTEP: - case STMT_COLUMN_REPREP: - case STMT_COLUMN_RUN: { - sqlite3_result_int(ctx, sqlite3_stmt_status(pCur->pStmt, - i-STMT_COLUMN_NSCAN+SQLITE_STMTSTATUS_FULLSCAN_STEP, 0)); - break; - } + StmtRow *pRow = pCur->pRow; + if( i==STMT_COLUMN_SQL ){ + sqlite3_result_text(ctx, pRow->zSql, -1, SQLITE_TRANSIENT); + }else{ + sqlite3_result_int(ctx, pRow->aCol[i]); } return SQLITE_OK; } @@ -230402,7 +250648,7 @@ static int stmtColumn( */ static int stmtRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){ stmt_cursor *pCur = (stmt_cursor*)cur; - *pRowid = pCur->iRowid; + *pRowid = pCur->pRow->iRowid; return SQLITE_OK; } @@ -230412,7 +250658,7 @@ static int stmtRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){ */ static int stmtEof(sqlite3_vtab_cursor *cur){ stmt_cursor *pCur = (stmt_cursor*)cur; - return pCur->pStmt==0; + return pCur->pRow==0; } /* @@ -230427,9 +250673,57 @@ static int stmtFilter( int argc, sqlite3_value **argv ){ stmt_cursor *pCur = (stmt_cursor *)pVtabCursor; - pCur->pStmt = 0; - pCur->iRowid = 0; - return stmtNext(pVtabCursor); + sqlite3_stmt *p = 0; + sqlite3_int64 iRowid = 1; + StmtRow **ppRow = 0; + + (void)idxNum; + (void)idxStr; + (void)argc; + (void)argv; + stmtCsrReset(pCur); + ppRow = &pCur->pRow; + for(p=sqlite3_next_stmt(pCur->db, 0); p; p=sqlite3_next_stmt(pCur->db, p)){ + const char *zSql = sqlite3_sql(p); + sqlite3_int64 nSql = zSql ? strlen(zSql)+1 : 0; + StmtRow *pNew = (StmtRow*)sqlite3_malloc64(sizeof(StmtRow) + nSql); + + if( pNew==0 ) return SQLITE_NOMEM; + memset(pNew, 0, sizeof(StmtRow)); + if( zSql ){ + pNew->zSql = (char*)&pNew[1]; + memcpy(pNew->zSql, zSql, nSql); + } + pNew->aCol[STMT_COLUMN_NCOL] = sqlite3_column_count(p); + pNew->aCol[STMT_COLUMN_RO] = sqlite3_stmt_readonly(p); + pNew->aCol[STMT_COLUMN_BUSY] = sqlite3_stmt_busy(p); + pNew->aCol[STMT_COLUMN_NSCAN] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_FULLSCAN_STEP, 0 + ); + pNew->aCol[STMT_COLUMN_NSORT] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_SORT, 0 + ); + pNew->aCol[STMT_COLUMN_NAIDX] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_AUTOINDEX, 0 + ); + pNew->aCol[STMT_COLUMN_NSTEP] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_VM_STEP, 0 + ); + pNew->aCol[STMT_COLUMN_REPREP] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_REPREPARE, 0 + ); + pNew->aCol[STMT_COLUMN_RUN] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_RUN, 0 + ); + pNew->aCol[STMT_COLUMN_MEM] = sqlite3_stmt_status( + p, SQLITE_STMTSTATUS_MEMUSED, 0 + ); + pNew->iRowid = iRowid++; + *ppRow = pNew; + ppRow = &pNew->pNext; + } + + return SQLITE_OK; } /* @@ -230442,6 +250736,7 @@ static int stmtBestIndex( sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo ){ + (void)tab; pIdxInfo->estimatedCost = (double)500; pIdxInfo->estimatedRows = 500; return SQLITE_OK; @@ -230508,10 +250803,6 @@ SQLITE_API int sqlite3_stmt_init( #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */ /************** End of stmt.c ************************************************/ -#if __LINE__!=230511 -#undef SQLITE_SOURCE_ID -#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0alt2" -#endif /* Return the source-id for this library */ SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; } /************************** End of sqlite3.c ******************************/ diff --git a/persistent-sqlite/cbits/sqlite3.h b/persistent-sqlite/cbits/sqlite3.h index 910b687aa..b9d069298 100644 --- a/persistent-sqlite/cbits/sqlite3.h +++ b/persistent-sqlite/cbits/sqlite3.h @@ -43,7 +43,30 @@ extern "C" { /* -** Provide the ability to override linkage features of the interface. +** Facilitate override of interface linkage and calling conventions. +** Be aware that these macros may not be used within this particular +** translation of the amalgamation and its associated header file. +** +** The SQLITE_EXTERN and SQLITE_API macros are used to instruct the +** compiler that the target identifier should have external linkage. +** +** The SQLITE_CDECL macro is used to set the calling convention for +** public functions that accept a variable number of arguments. +** +** The SQLITE_APICALL macro is used to set the calling convention for +** public functions that accept a fixed number of arguments. +** +** The SQLITE_STDCALL macro is no longer used and is now deprecated. +** +** The SQLITE_CALLBACK macro is used to set the calling convention for +** function pointers. +** +** The SQLITE_SYSAPI macro is used to set the calling convention for +** functions provided by the operating system. +** +** Currently, the SQLITE_CDECL, SQLITE_APICALL, SQLITE_CALLBACK, and +** SQLITE_SYSAPI macros are used only when building for environments +** that require non-default calling conventions. */ #ifndef SQLITE_EXTERN # define SQLITE_EXTERN extern @@ -123,9 +146,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.33.0" -#define SQLITE_VERSION_NUMBER 3033000 -#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f" +#define SQLITE_VERSION "3.43.1" +#define SQLITE_VERSION_NUMBER 3043001 +#define SQLITE_SOURCE_ID "2023-09-11 12:01:27 2d3a40c05c49e1a49264912b1a05bc2143ac0e7c3df588276ce80a4cbc9bd1b0" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -504,6 +527,8 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_COMMIT_ATOMIC (SQLITE_IOERR | (30<<8)) #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) +#define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -536,12 +561,14 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_VTAB (SQLITE_CONSTRAINT | (9<<8)) #define SQLITE_CONSTRAINT_ROWID (SQLITE_CONSTRAINT |(10<<8)) #define SQLITE_CONSTRAINT_PINNED (SQLITE_CONSTRAINT |(11<<8)) +#define SQLITE_CONSTRAINT_DATATYPE (SQLITE_CONSTRAINT |(12<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) +#define SQLITE_NOTICE_RBU (SQLITE_NOTICE | (3<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) -#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) +#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) /* internal use only */ /* ** CAPI3REF: Flags For File Open Operations @@ -549,6 +576,19 @@ SQLITE_API int sqlite3_exec( ** These bit values are intended for use in the ** 3rd parameter to the [sqlite3_open_v2()] interface and ** in the 4th parameter to the [sqlite3_vfs.xOpen] method. +** +** Only those flags marked as "Ok for sqlite3_open_v2()" may be +** used as the third argument to the [sqlite3_open_v2()] interface. +** The other flags have historically been ignored by sqlite3_open_v2(), +** though future versions of SQLite might change so that an error is +** raised if any of the disallowed bits are passed into sqlite3_open_v2(). +** Applications should not depend on the historical behavior. +** +** Note in particular that passing the SQLITE_OPEN_EXCLUSIVE flag into +** [sqlite3_open_v2()] does *not* cause the underlying database file +** to be opened using O_EXCL. Passing SQLITE_OPEN_EXCLUSIVE into +** [sqlite3_open_v2()] has historically be a no-op and might become an +** error in future versions of SQLite. */ #define SQLITE_OPEN_READONLY 0x00000001 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_READWRITE 0x00000002 /* Ok for sqlite3_open_v2() */ @@ -571,6 +611,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_OPEN_PRIVATECACHE 0x00040000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_WAL 0x00080000 /* VFS only */ #define SQLITE_OPEN_NOFOLLOW 0x01000000 /* Ok for sqlite3_open_v2() */ +#define SQLITE_OPEN_EXRESCODE 0x02000000 /* Extended result codes */ /* Reserved: 0x00F00000 */ /* Legacy compatibility: */ @@ -631,13 +672,17 @@ SQLITE_API int sqlite3_exec( ** ** SQLite uses one of these integer values as the second ** argument to calls it makes to the xLock() and xUnlock() methods -** of an [sqlite3_io_methods] object. +** of an [sqlite3_io_methods] object. These values are ordered from +** lest restrictive to most restrictive. +** +** The argument to xLock() is always SHARED or higher. The argument to +** xUnlock is either SHARED or NONE. */ -#define SQLITE_LOCK_NONE 0 -#define SQLITE_LOCK_SHARED 1 -#define SQLITE_LOCK_RESERVED 2 -#define SQLITE_LOCK_PENDING 3 -#define SQLITE_LOCK_EXCLUSIVE 4 +#define SQLITE_LOCK_NONE 0 /* xUnlock() only */ +#define SQLITE_LOCK_SHARED 1 /* xLock() or xUnlock() */ +#define SQLITE_LOCK_RESERVED 2 /* xLock() only */ +#define SQLITE_LOCK_PENDING 3 /* xLock() only */ +#define SQLITE_LOCK_EXCLUSIVE 4 /* xLock() only */ /* ** CAPI3REF: Synchronization Type Flags @@ -715,7 +760,14 @@ struct sqlite3_file { **
  • [SQLITE_LOCK_PENDING], or **
  • [SQLITE_LOCK_EXCLUSIVE]. ** -** xLock() increases the lock. xUnlock() decreases the lock. +** xLock() upgrades the database file lock. In other words, xLock() moves the +** database file lock in the direction NONE toward EXCLUSIVE. The argument to +** xLock() is always on of SHARED, RESERVED, PENDING, or EXCLUSIVE, never +** SQLITE_LOCK_NONE. If the database file lock is already at or above the +** requested lock, then the call to xLock() is a no-op. +** xUnlock() downgrades the database file lock to either SHARED or NONE. +* If the lock is already at or below the requested lock state, then the call +** to xUnlock() is a no-op. ** The xCheckReservedLock() method checks whether any database connection, ** either in this process or in some other process, is holding a RESERVED, ** PENDING, or EXCLUSIVE lock on the file. It returns true @@ -820,9 +872,8 @@ struct sqlite3_io_methods { ** opcode causes the xFileControl method to write the current state of ** the lock (one of [SQLITE_LOCK_NONE], [SQLITE_LOCK_SHARED], ** [SQLITE_LOCK_RESERVED], [SQLITE_LOCK_PENDING], or [SQLITE_LOCK_EXCLUSIVE]) -** into an integer that the pArg argument points to. This capability -** is used during testing and is only available when the SQLITE_TEST -** compile-time option is used. +** into an integer that the pArg argument points to. +** This capability is only available if SQLite is compiled with [SQLITE_DEBUG]. ** **
  • [[SQLITE_FCNTL_SIZE_HINT]] ** The [SQLITE_FCNTL_SIZE_HINT] opcode is used by SQLite to give the VFS @@ -1126,6 +1177,28 @@ struct sqlite3_io_methods { ** in wal mode after the client has finished copying pages from the wal ** file to the database file, but before the *-shm file is updated to ** record the fact that the pages have been checkpointed. +** +**
  • [[SQLITE_FCNTL_EXTERNAL_READER]] +** The EXPERIMENTAL [SQLITE_FCNTL_EXTERNAL_READER] opcode is used to detect +** whether or not there is a database client in another process with a wal-mode +** transaction open on the database or not. It is only available on unix.The +** (void*) argument passed with this file-control should be a pointer to a +** value of type (int). The integer value is set to 1 if the database is a wal +** mode database and there exists at least one client in another process that +** currently has an SQL transaction open on the database. It is set to 0 if +** the database is not a wal-mode db, or if there is no such connection in any +** other process. This opcode cannot be used to detect transactions opened +** by clients within the current process, only within other processes. +** +**
  • [[SQLITE_FCNTL_CKSM_FILE]] +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the +** [checksum VFS shim] only. +** +**
  • [[SQLITE_FCNTL_RESET_CACHE]] +** If there is currently no transaction open on the database, and the +** database is not a temp db, then the [SQLITE_FCNTL_RESET_CACHE] file-control +** purges the contents of the in-memory page cache. If there is an open +** transaction, or if the db is a temp-db, this opcode is a no-op, not an error. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -1166,6 +1239,9 @@ struct sqlite3_io_methods { #define SQLITE_FCNTL_CKPT_DONE 37 #define SQLITE_FCNTL_RESERVE_BYTES 38 #define SQLITE_FCNTL_CKPT_START 39 +#define SQLITE_FCNTL_EXTERNAL_READER 40 +#define SQLITE_FCNTL_CKSM_FILE 41 +#define SQLITE_FCNTL_RESET_CACHE 42 /* deprecated names */ #define SQLITE_GET_LOCKPROXYFILE SQLITE_FCNTL_GET_LOCKPROXYFILE @@ -1195,6 +1271,26 @@ typedef struct sqlite3_mutex sqlite3_mutex; */ typedef struct sqlite3_api_routines sqlite3_api_routines; +/* +** CAPI3REF: File Name +** +** Type [sqlite3_filename] is used by SQLite to pass filenames to the +** xOpen method of a [VFS]. It may be cast to (const char*) and treated +** as a normal, nul-terminated, UTF-8 buffer containing the filename, but +** may also be passed to special APIs such as: +** +**
      +**
    • sqlite3_filename_database() +**
    • sqlite3_filename_journal() +**
    • sqlite3_filename_wal() +**
    • sqlite3_uri_parameter() +**
    • sqlite3_uri_boolean() +**
    • sqlite3_uri_int64() +**
    • sqlite3_uri_key() +**
    +*/ +typedef const char *sqlite3_filename; + /* ** CAPI3REF: OS Interface Object ** @@ -1373,7 +1469,7 @@ struct sqlite3_vfs { sqlite3_vfs *pNext; /* Next registered VFS */ const char *zName; /* Name of this virtual file system */ void *pAppData; /* Pointer to application-specific data */ - int (*xOpen)(sqlite3_vfs*, const char *zName, sqlite3_file*, + int (*xOpen)(sqlite3_vfs*, sqlite3_filename zName, sqlite3_file*, int flags, int *pOutFlags); int (*xDelete)(sqlite3_vfs*, const char *zName, int syncDir); int (*xAccess)(sqlite3_vfs*, const char *zName, int flags, int *pResOut); @@ -1560,20 +1656,23 @@ SQLITE_API int sqlite3_os_end(void); ** must ensure that no other SQLite interfaces are invoked by other ** threads while sqlite3_config() is running. ** -** The sqlite3_config() interface -** may only be invoked prior to library initialization using -** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. -** ^If sqlite3_config() is called after [sqlite3_initialize()] and before -** [sqlite3_shutdown()] then it will return SQLITE_MISUSE. -** Note, however, that ^sqlite3_config() can be called as part of the -** implementation of an application-defined [sqlite3_os_init()]. -** ** The first argument to sqlite3_config() is an integer ** [configuration option] that determines ** what property of SQLite is to be configured. Subsequent arguments ** vary depending on the [configuration option] ** in the first argument. ** +** For most configuration options, the sqlite3_config() interface +** may only be invoked prior to library initialization using +** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. +** The exceptional configuration options that may be invoked at any time +** are called "anytime configuration options". +** ^If sqlite3_config() is called after [sqlite3_initialize()] and before +** [sqlite3_shutdown()] with a first argument that is not an anytime +** configuration option, then the sqlite3_config() call will return SQLITE_MISUSE. +** Note, however, that ^sqlite3_config() can be called as part of the +** implementation of an application-defined [sqlite3_os_init()]. +** ** ^When a configuration option is set, sqlite3_config() returns [SQLITE_OK]. ** ^If the option is unknown or SQLite is unable to set the option ** then this routine returns a non-zero [error code]. @@ -1681,6 +1780,23 @@ struct sqlite3_mem_methods { ** These constants are the available integer configuration options that ** can be passed as the first argument to the [sqlite3_config()] interface. ** +** Most of the configuration options for sqlite3_config() +** will only work if invoked prior to [sqlite3_initialize()] or after +** [sqlite3_shutdown()]. The few exceptions to this rule are called +** "anytime configuration options". +** ^Calling [sqlite3_config()] with a first argument that is not an +** anytime configuration option in between calls to [sqlite3_initialize()] and +** [sqlite3_shutdown()] is a no-op that returns SQLITE_MISUSE. +** +** The set of anytime configuration options can change (by insertions +** and/or deletions) from one release of SQLite to the next. +** As of SQLite version 3.42.0, the complete set of anytime configuration +** options is: +**
      +**
    • SQLITE_CONFIG_LOG +**
    • SQLITE_CONFIG_PCACHE_HDRSZ +**
    +** ** New configuration options may be added in future releases of SQLite. ** Existing configuration options might be discontinued. Applications ** should check the return code from [sqlite3_config()] to make sure that @@ -2027,28 +2143,28 @@ struct sqlite3_mem_methods { ** compile-time option is not set, then the default maximum is 1073741824. ** */ -#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ -#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ -#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ -#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ -#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ -#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ -#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ -#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ -#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ -#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ -#define SQLITE_CONFIG_PCACHE 14 /* no-op */ -#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ -#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ -#define SQLITE_CONFIG_URI 17 /* int */ -#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ -#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ +#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ +#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ +#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ +#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ +#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ +#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ +#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ +#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ +#define SQLITE_CONFIG_PCACHE 14 /* no-op */ +#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ +#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ +#define SQLITE_CONFIG_URI 17 /* int */ +#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ -#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ -#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ +#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ +#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ #define SQLITE_CONFIG_PCACHE_HDRSZ 24 /* int *psz */ #define SQLITE_CONFIG_PMASZ 25 /* unsigned int szPma */ @@ -2089,7 +2205,7 @@ struct sqlite3_mem_methods { ** configuration for a database connection can only be changed when that ** connection is not currently using lookaside memory, or in other words ** when the "current value" returned by -** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. +** [sqlite3_db_status](D,[SQLITE_DBSTATUS_LOOKASIDE_USED],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside ** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^ @@ -2114,7 +2230,13 @@ struct sqlite3_mem_methods { ** The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether triggers are disabled or enabled ** following this call. The second parameter may be a NULL pointer, in -** which case the trigger setting is not reported back. +** which case the trigger setting is not reported back. +** +**

    Originally this option disabled all triggers. ^(However, since +** SQLite version 3.35.0, TEMP triggers are still allowed even if +** this option is off. So, in other words, this option now only disables +** triggers in the main database schema or in the schemas of ATTACH-ed +** databases.)^ ** ** [[SQLITE_DBCONFIG_ENABLE_VIEW]] **

    SQLITE_DBCONFIG_ENABLE_VIEW
    @@ -2125,7 +2247,13 @@ struct sqlite3_mem_methods { ** The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether views are disabled or enabled ** following this call. The second parameter may be a NULL pointer, in -** which case the view setting is not reported back. +** which case the view setting is not reported back. +** +**

    Originally this option disabled all views. ^(However, since +** SQLite version 3.35.0, TEMP views are still allowed even if +** this option is off. So, in other words, this option now only disables +** views in the main database schema or in the schemas of ATTACH-ed +** databases.)^ ** ** [[SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER]] **

    SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER
    @@ -2227,8 +2355,12 @@ struct sqlite3_mem_methods { **
  • sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); ** ** Because resetting a database is destructive and irreversible, the -** process requires the use of this obscure API and multiple steps to help -** ensure that it does not happen by accident. +** process requires the use of this obscure API and multiple steps to +** help ensure that it does not happen by accident. Because this +** feature must be capable of resetting corrupt databases, and +** shutting down virtual tables may require access to that corrupt +** storage, the library must abandon any installed virtual tables +** without calling their xDestroy() methods. ** ** [[SQLITE_DBCONFIG_DEFENSIVE]]
    SQLITE_DBCONFIG_DEFENSIVE
    **
    The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the @@ -2239,6 +2371,7 @@ struct sqlite3_mem_methods { **
      **
    • The [PRAGMA writable_schema=ON] statement. **
    • The [PRAGMA journal_mode=OFF] statement. +**
    • The [PRAGMA schema_version=N] statement. **
    • Writes to the [sqlite_dbpage] virtual table. **
    • Direct writes to [shadow tables]. **
    @@ -2266,7 +2399,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DML]] -**
    SQLITE_DBCONFIG_DQS_DML +**
    SQLITE_DBCONFIG_DQS_DML
    **
    The SQLITE_DBCONFIG_DQS_DML option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The @@ -2275,7 +2408,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DDL]] -**
    SQLITE_DBCONFIG_DQS_DDL +**
    SQLITE_DBCONFIG_DQS_DDL
    **
    The SQLITE_DBCONFIG_DQS option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DDL statements, ** such as CREATE TABLE and CREATE INDEX. The @@ -2284,7 +2417,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] -**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA +**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA
    **
    The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to ** assume that database schemas are untainted by malicious content. ** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite @@ -2304,7 +2437,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] -**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT +**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT
    **
    The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates ** the legacy file format flag. When activated, this flag causes all newly ** created database file to have a schema format version number (the 4-byte @@ -2313,7 +2446,7 @@ struct sqlite3_mem_methods { ** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, ** newly created databases are generally not understandable by SQLite versions ** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there -** is now scarcely any need to generated database files that are compatible +** is now scarcely any need to generate database files that are compatible ** all the way back to version 3.0.0, and so this setting is of little ** practical use, but is provided so that SQLite can continue to claim the ** ability to generate new database files that are compatible with version @@ -2322,8 +2455,40 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. +**
    +** +** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] +**
    SQLITE_DBCONFIG_STMT_SCANSTATUS
    +**
    The SQLITE_DBCONFIG_STMT_SCANSTATUS option is only useful in +** SQLITE_ENABLE_STMT_SCANSTATUS builds. In this case, it sets or clears +** a flag that enables collection of the sqlite3_stmt_scanstatus_v2() +** statistics. For statistics to be collected, the flag must be set on +** the database handle both when the SQL statement is prepared and when it +** is stepped. The flag is set (collection of statistics is enabled) +** by default. This option takes two arguments: an integer and a pointer to +** an integer.. The first argument is 1, 0, or -1 to enable, disable, or +** leave unchanged the statement scanstatus option. If the second argument +** is not NULL, then the value of the statement scanstatus setting after +** processing the first argument is written into the integer that the second +** argument points to. **
    +** +** [[SQLITE_DBCONFIG_REVERSE_SCANORDER]] +**
    SQLITE_DBCONFIG_REVERSE_SCANORDER
    +**
    The SQLITE_DBCONFIG_REVERSE_SCANORDER option changes the default order +** in which tables and indexes are scanned so that the scans start at the end +** and work toward the beginning rather than starting at the beginning and +** working toward the end. Setting SQLITE_DBCONFIG_REVERSE_SCANORDER is the +** same as setting [PRAGMA reverse_unordered_selects]. This option takes +** two arguments which are an integer and a pointer to an integer. The first +** argument is 1, 0, or -1 to enable, disable, or leave unchanged the +** reverse scan order flag, respectively. If the second argument is not NULL, +** then 0 or 1 is written into the integer that the second argument points to +** depending on if the reverse scan order flag is set after processing the +** first argument. +**
    +** ** */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -2344,7 +2509,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ #define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ #define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_STMT_SCANSTATUS 1018 /* int int* */ +#define SQLITE_DBCONFIG_REVERSE_SCANORDER 1019 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1019 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -2432,11 +2599,14 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** CAPI3REF: Count The Number Of Rows Modified ** METHOD: sqlite3 ** -** ^This function returns the number of rows modified, inserted or +** ^These functions return the number of rows modified, inserted or ** deleted by the most recently completed INSERT, UPDATE or DELETE ** statement on the database connection specified by the only parameter. -** ^Executing any other type of SQL statement does not modify the value -** returned by this function. +** The two functions are identical except for the type of the return value +** and that if the number of rows modified by the most recent INSERT, UPDATE +** or DELETE is greater than the maximum value supported by type "int", then +** the return value of sqlite3_changes() is undefined. ^Executing any other +** type of SQL statement does not modify the value returned by these functions. ** ** ^Only changes made directly by the INSERT, UPDATE or DELETE statement are ** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], @@ -2485,16 +2655,21 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** */ SQLITE_API int sqlite3_changes(sqlite3*); +SQLITE_API sqlite3_int64 sqlite3_changes64(sqlite3*); /* ** CAPI3REF: Total Number Of Rows Modified ** METHOD: sqlite3 ** -** ^This function returns the total number of rows inserted, modified or +** ^These functions return the total number of rows inserted, modified or ** deleted by all [INSERT], [UPDATE] or [DELETE] statements completed ** since the database connection was opened, including those executed as -** part of trigger programs. ^Executing any other type of SQL statement -** does not affect the value returned by sqlite3_total_changes(). +** part of trigger programs. The two functions are identical except for the +** type of the return value and that if the number of rows modified by the +** connection exceeds the maximum value supported by type "int", then +** the return value of sqlite3_total_changes() is undefined. ^Executing +** any other type of SQL statement does not affect the value returned by +** sqlite3_total_changes(). ** ** ^Changes made as part of [foreign key actions] are included in the ** count, but those made as part of REPLACE constraint resolution are @@ -2522,6 +2697,7 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** */ SQLITE_API int sqlite3_total_changes(sqlite3*); +SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); /* ** CAPI3REF: Interrupt A Long-Running Query @@ -2557,8 +2733,13 @@ SQLITE_API int sqlite3_total_changes(sqlite3*); ** ^A call to sqlite3_interrupt(D) that occurs when there are no running ** SQL statements is a no-op and has no effect on SQL statements ** that are started after the sqlite3_interrupt() call returns. +** +** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether +** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); +SQLITE_API int sqlite3_is_interrupted(sqlite3*); /* ** CAPI3REF: Determine If An SQL Statement Is Complete @@ -3176,8 +3357,8 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, **
    ^An SQLITE_TRACE_PROFILE callback provides approximately the same ** information as is provided by the [sqlite3_profile()] callback. ** ^The P argument is a pointer to the [prepared statement] and the -** X argument points to a 64-bit integer which is the estimated of -** the number of nanosecond that the prepared statement took to run. +** X argument points to a 64-bit integer which is approximately +** the number of nanoseconds that the prepared statement took to run. ** ^The SQLITE_TRACE_PROFILE callback is invoked when the statement finishes. ** ** [[SQLITE_TRACE_ROW]]
    SQLITE_TRACE_ROW
    @@ -3209,8 +3390,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -3240,7 +3423,7 @@ SQLITE_API int sqlite3_trace_v2( ** ** ^The sqlite3_progress_handler(D,N,X,P) interface causes the callback ** function X to be invoked periodically during long running calls to -** [sqlite3_exec()], [sqlite3_step()] and [sqlite3_get_table()] for +** [sqlite3_step()] and [sqlite3_prepare()] and similar for ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** @@ -3265,6 +3448,13 @@ SQLITE_API int sqlite3_trace_v2( ** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their ** database connections for the meaning of "modify" in this paragraph. ** +** The progress handler callback would originally only be invoked from the +** bytecode engine. It still might be invoked during [sqlite3_prepare()] +** and similar because those routines might force a reparse of the schema +** which involves running the bytecode engine. However, beginning with +** SQLite version 3.41.0, the progress handler callback might also be +** invoked directly from [sqlite3_prepare()] while analyzing and generating +** code for complex queries. */ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); @@ -3301,13 +3491,18 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** **
    ** ^(
    [SQLITE_OPEN_READONLY]
    -**
    The database is opened in read-only mode. If the database does not -** already exist, an error is returned.
    )^ +**
    The database is opened in read-only mode. If the database does +** not already exist, an error is returned.
    )^ ** ** ^(
    [SQLITE_OPEN_READWRITE]
    -**
    The database is opened for reading and writing if possible, or reading -** only if the file is write protected by the operating system. In either -** case the database must already exist, otherwise an error is returned.
    )^ +**
    The database is opened for reading and writing if possible, or +** reading only if the file is write protected by the operating +** system. In either case the database must already exist, otherwise +** an error is returned. For historical reasons, if opening in +** read-write mode fails due to OS-level permissions, an attempt is +** made to open it in read-only mode. [sqlite3_db_readonly()] can be +** used to determine whether the database is actually +** read-write.
    )^ ** ** ^(
    [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]
    **
    The database is opened for reading and writing, and is created if @@ -3345,20 +3540,39 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); **
    The database is opened [shared cache] enabled, overriding ** the default shared cache setting provided by ** [sqlite3_enable_shared_cache()].)^ +** The [use of shared cache mode is discouraged] and hence shared cache +** capabilities may be omitted from many builds of SQLite. In such cases, +** this option is a no-op. ** ** ^(
    [SQLITE_OPEN_PRIVATECACHE]
    **
    The database is opened [shared cache] disabled, overriding ** the default shared cache setting provided by ** [sqlite3_enable_shared_cache()].)^ ** +** [[OPEN_EXRESCODE]] ^(
    [SQLITE_OPEN_EXRESCODE]
    +**
    The database connection comes up in "extended result code mode". +** In other words, the database behaves has if +** [sqlite3_extended_result_codes(db,1)] where called on the database +** connection as soon as the connection is created. In addition to setting +** the extended result code mode, this flag also causes [sqlite3_open_v2()] +** to return an extended result code.
    +** ** [[OPEN_NOFOLLOW]] ^(
    [SQLITE_OPEN_NOFOLLOW]
    -**
    The database filename is not allowed to be a symbolic link
    +**
    The database filename is not allowed to contain a symbolic link
    **
    )^ ** ** If the 3rd parameter to sqlite3_open_v2() is not one of the ** required combinations shown above optionally combined with other ** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits] -** then the behavior is undefined. +** then the behavior is undefined. Historic versions of SQLite +** have silently ignored surplus bits in the flags parameter to +** sqlite3_open_v2(), however that behavior might not be carried through +** into future versions of SQLite and so applications should not rely +** upon it. Note in particular that the SQLITE_OPEN_EXCLUSIVE flag is a no-op +** for sqlite3_open_v2(). The SQLITE_OPEN_EXCLUSIVE does *not* cause +** the open to fail if the database already exists. The SQLITE_OPEN_EXCLUSIVE +** flag is intended for use by the [sqlite3_vfs|VFS interface] only, and not +** by sqlite3_open_v2(). ** ** ^The fourth parameter to sqlite3_open_v2() is the name of the ** [sqlite3_vfs] object that defines the operating system interface that @@ -3498,6 +3712,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** that uses dot-files in place of posix advisory locking. **
    • file:data.db?mode=readonly ** An error. "readonly" is not a valid option for the "mode" parameter. +** Use "ro" instead: "file:data.db?mode=ro". **
    ** ** ^URI hexadecimal escape sequences (%HH) are supported within the path and @@ -3547,7 +3762,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: **
      **
    • A database filename pointer created by the SQLite core and -** passed into the xOpen() method of a VFS implemention, or +** passed into the xOpen() method of a VFS implementation, or **
    • A filename obtained from [sqlite3_db_filename()], or **
    • A new filename constructed using [sqlite3_create_filename()]. **
    @@ -3602,10 +3817,10 @@ SQLITE_API int sqlite3_open_v2( ** ** See the [URI filename] documentation for additional information. */ -SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam); -SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault); -SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64); -SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); +SQLITE_API const char *sqlite3_uri_parameter(sqlite3_filename z, const char *zParam); +SQLITE_API int sqlite3_uri_boolean(sqlite3_filename z, const char *zParam, int bDefault); +SQLITE_API sqlite3_int64 sqlite3_uri_int64(sqlite3_filename, const char*, sqlite3_int64); +SQLITE_API const char *sqlite3_uri_key(sqlite3_filename z, int N); /* ** CAPI3REF: Translate filenames @@ -3634,9 +3849,9 @@ SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); ** return value from [sqlite3_db_filename()], then the result is ** undefined and is likely a memory access violation. */ -SQLITE_API const char *sqlite3_filename_database(const char*); -SQLITE_API const char *sqlite3_filename_journal(const char*); -SQLITE_API const char *sqlite3_filename_wal(const char*); +SQLITE_API const char *sqlite3_filename_database(sqlite3_filename); +SQLITE_API const char *sqlite3_filename_journal(sqlite3_filename); +SQLITE_API const char *sqlite3_filename_wal(sqlite3_filename); /* ** CAPI3REF: Database File Corresponding To A Journal @@ -3660,7 +3875,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -3696,20 +3911,20 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); ** If the Y parameter to sqlite3_free_filename(Y) is anything other ** than a NULL pointer or a pointer previously acquired from ** sqlite3_create_filename(), then bad things such as heap -** corruption or segfaults may occur. The value Y should be +** corruption or segfaults may occur. The value Y should not be ** used again after sqlite3_free_filename(Y) has been called. This means ** that if the [sqlite3_vfs.xOpen()] method of a VFS has been called using Y, ** then the corresponding [sqlite3_module.xClose() method should also be ** invoked prior to calling sqlite3_free_filename(Y). */ -SQLITE_API char *sqlite3_create_filename( +SQLITE_API sqlite3_filename sqlite3_create_filename( const char *zDatabase, const char *zJournal, const char *zWal, int nParam, const char **azParam ); -SQLITE_API void sqlite3_free_filename(char*); +SQLITE_API void sqlite3_free_filename(sqlite3_filename); /* ** CAPI3REF: Error Codes And Messages @@ -3728,13 +3943,14 @@ SQLITE_API void sqlite3_free_filename(char*); ** sqlite3_extended_errcode() might change with each API call. ** Except, there are some interfaces that are guaranteed to never ** change the value of the error code. The error-code preserving -** interfaces are: +** interfaces include the following: ** **
      **
    • sqlite3_errcode() **
    • sqlite3_extended_errcode() **
    • sqlite3_errmsg() **
    • sqlite3_errmsg16() +**
    • sqlite3_error_offset() **
    ** ** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language @@ -3749,6 +3965,13 @@ SQLITE_API void sqlite3_free_filename(char*); ** ^(Memory to hold the error message string is managed internally ** and must not be freed by the application)^. ** +** ^If the most recent error references a specific token in the input +** SQL, the sqlite3_error_offset() interface returns the byte offset +** of the start of that token. ^The byte offset returned by +** sqlite3_error_offset() assumes that the input SQL is UTF8. +** ^If the most recent error does not reference a specific token in the input +** SQL, then the sqlite3_error_offset() function returns -1. +** ** When the serialized [threading mode] is in use, it might be the ** case that a second error occurs on a separate thread in between ** the time of the first error and the call to these interfaces. @@ -3768,6 +3991,7 @@ SQLITE_API int sqlite3_extended_errcode(sqlite3 *db); SQLITE_API const char *sqlite3_errmsg(sqlite3*); SQLITE_API const void *sqlite3_errmsg16(sqlite3*); SQLITE_API const char *sqlite3_errstr(int); +SQLITE_API int sqlite3_error_offset(sqlite3 *db); /* ** CAPI3REF: Prepared Statement Object @@ -4125,12 +4349,17 @@ SQLITE_API int sqlite3_prepare16_v3( ** are managed by SQLite and are automatically freed when the prepared ** statement is finalized. ** ^The string returned by sqlite3_expanded_sql(P), on the other hand, -** is obtained from [sqlite3_malloc()] and must be free by the application +** is obtained from [sqlite3_malloc()] and must be freed by the application ** by passing it to [sqlite3_free()]. +** +** ^The sqlite3_normalized_sql() interface is only available if +** the [SQLITE_ENABLE_NORMALIZE] compile-time option is defined. */ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt); SQLITE_API char *sqlite3_expanded_sql(sqlite3_stmt *pStmt); +#ifdef SQLITE_ENABLE_NORMALIZE SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); +#endif /* ** CAPI3REF: Determine If An SQL Statement Writes The Database @@ -4165,6 +4394,19 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and ** [BEGIN|BEGIN EXCLUSIVE] commands do touch the database and so ** sqlite3_stmt_readonly() returns false for those commands. +** +** ^This routine returns false if there is any possibility that the +** statement might change the database file. ^A false return does +** not guarantee that the statement will change the database file. +** ^For example, an UPDATE statement might have a WHERE clause that +** makes it a no-op, but the sqlite3_stmt_readonly() result would still +** be false. ^Similarly, a CREATE TABLE IF NOT EXISTS statement is a +** read-only no-op if the table already exists, but +** sqlite3_stmt_readonly() still returns false for such a statement. +** +** ^If prepared statement X is an [EXPLAIN] or [EXPLAIN QUERY PLAN] +** statement, then sqlite3_stmt_readonly(X) returns the same value as +** if the EXPLAIN or EXPLAIN QUERY PLAN prefix were omitted. */ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); @@ -4180,6 +4422,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -4233,6 +4510,8 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** ** ^The sqlite3_value objects that are passed as parameters into the ** implementation of [application-defined SQL functions] are protected. +** ^The sqlite3_value objects returned by [sqlite3_vtab_rhs_value()] +** are protected. ** ^The sqlite3_value object returned by ** [sqlite3_column_value()] is unprotected. ** Unprotected sqlite3_value objects may only be used as arguments @@ -4334,18 +4613,22 @@ typedef struct sqlite3_context sqlite3_context; ** contain embedded NULs. The result of expressions involving strings ** with embedded NULs is undefined. ** -** ^The fifth argument to the BLOB and string binding interfaces -** is a destructor used to dispose of the BLOB or -** string after SQLite has finished with it. ^The destructor is called -** to dispose of the BLOB or string even if the call to the bind API fails, -** except the destructor is not called if the third parameter is a NULL -** pointer or the fourth parameter is negative. -** ^If the fifth argument is -** the special value [SQLITE_STATIC], then SQLite assumes that the -** information is in static, unmanaged space and does not need to be freed. -** ^If the fifth argument has the value [SQLITE_TRANSIENT], then -** SQLite makes its own private copy of the data immediately, before -** the sqlite3_bind_*() routine returns. +** ^The fifth argument to the BLOB and string binding interfaces controls +** or indicates the lifetime of the object referenced by the third parameter. +** These three options exist: +** ^ (1) A destructor to dispose of the BLOB or string after SQLite has finished +** with it may be passed. ^It is called to dispose of the BLOB or string even +** if the call to the bind API fails, except the destructor is not called if +** the third parameter is a NULL pointer or the fourth parameter is negative. +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that +** the application remains responsible for disposing of the object. ^In this +** case, the object and the provided pointer to it must remain valid until +** either the prepared statement is finalized or the same SQL parameter is +** bound to something else, whichever occurs sooner. +** ^ (3) The constant, [SQLITE_TRANSIENT], may be passed to indicate that the +** object is to be copied prior to the return from sqlite3_bind_*(). ^The +** object and pointer to it must remain valid until then. ^SQLite will then +** manage the lifetime of its private copy. ** ** ^The sixth argument to sqlite3_bind_text64() must be one of ** [SQLITE_UTF8], [SQLITE_UTF16], [SQLITE_UTF16BE], or [SQLITE_UTF16LE] @@ -4850,6 +5133,10 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** even empty strings, are always zero-terminated. ^The return ** value from sqlite3_column_blob() for a zero-length BLOB is a NULL pointer. ** +** ^Strings returned by sqlite3_column_text16() always have the endianness +** which is native to the platform, regardless of the text encoding set +** for the database. +** ** Warning: ^The object returned by [sqlite3_column_value()] is an ** [unprotected sqlite3_value] object. In a multithreaded environment, ** an unprotected sqlite3_value object may only be used safely with @@ -4863,7 +5150,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** [application-defined SQL functions] or [virtual tables], not within ** top-level application code. ** -** The these routines may attempt to convert the datatype of the result. +** These routines may attempt to convert the datatype of the result. ** ^For example, if the internal representation is FLOAT and a text result ** is requested, [sqlite3_snprintf()] is used internally to perform the ** conversion automatically. ^(The following table details the conversions @@ -4888,7 +5175,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** TEXT BLOB No change ** BLOB INTEGER [CAST] to INTEGER ** BLOB FLOAT [CAST] to REAL -** BLOB TEXT Add a zero terminator if needed +** BLOB TEXT [CAST] to TEXT, ensure zero terminator ** ** )^ ** @@ -5012,14 +5299,26 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. @@ -5087,7 +5386,6 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** within VIEWs, TRIGGERs, CHECK constraints, generated column expressions, ** index expressions, or the WHERE clause of partial indexes. ** -** ** For best security, the [SQLITE_DIRECTONLY] flag is recommended for ** all application-defined SQL functions that do not need to be ** used inside of triggers, view, CHECK constraints, or other elements of @@ -5097,7 +5395,6 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** a database file to include invocations of the function with parameters ** chosen by the attacker, which the application will then execute when ** the database file is opened and read. -** ** ** ^(The fifth parameter is an arbitrary pointer. The implementation of the ** function can gain access to this pointer using [sqlite3_user_data()].)^ @@ -5233,10 +5530,21 @@ SQLITE_API int sqlite3_create_window_function( ** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in ** schema structures such as [CHECK constraints], [DEFAULT clauses], ** [expression indexes], [partial indexes], or [generated columns]. -** The SQLITE_DIRECTONLY flags is a security feature which is recommended -** for all [application-defined SQL functions], and especially for functions -** that have side-effects or that could potentially leak sensitive -** information. +**

    +** The SQLITE_DIRECTONLY flag is recommended for any +** [application-defined SQL function] +** that has side-effects or that could potentially leak sensitive information. +** This will prevent attacks in which an application is tricked +** into using a database file that has had its schema surreptitiously +** modified to invoke the application-defined function in ways that are +** harmful. +**

    +** Some people say it is good practice to set SQLITE_DIRECTONLY on all +** [application-defined SQL functions], regardless of whether or not they +** are security sensitive, as doing so prevents those functions from being used +** inside of the database schema, and thus ensures that the database +** can be inspected and modified using generic tools (such as the [CLI]) +** that do not have access to the application-defined functions. **

    ** ** [[SQLITE_INNOCUOUS]]
    SQLITE_INNOCUOUS
    @@ -5442,6 +5750,28 @@ SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); SQLITE_API int sqlite3_value_nochange(sqlite3_value*); SQLITE_API int sqlite3_value_frombind(sqlite3_value*); +/* +** CAPI3REF: Report the internal text encoding state of an sqlite3_value object +** METHOD: sqlite3_value +** +** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], +** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current text encoding +** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) +** returns something other than SQLITE_TEXT, then the return value from +** sqlite3_value_encoding(X) is meaningless. ^Calls to +** [sqlite3_value_text(X)], [sqlite3_value_text16(X)], [sqlite3_value_text16be(X)], +** [sqlite3_value_text16le(X)], [sqlite3_value_bytes(X)], or +** [sqlite3_value_bytes16(X)] might change the encoding of the value X and +** thus change the return from subsequent calls to sqlite3_value_encoding(X). +** +** This routine is intended for used by applications that test and validate +** the SQLite implementation. This routine is inquiring about the opaque +** internal state of an [sqlite3_value] object. Ordinary applications should +** not need to know what the internal state of an sqlite3_value object is and +** hence should not need to use this interface. +*/ +SQLITE_API int sqlite3_value_encoding(sqlite3_value*); + /* ** CAPI3REF: Finding The Subtype Of SQL Values ** METHOD: sqlite3_value @@ -5462,7 +5792,8 @@ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); ** object D and returns a pointer to that copy. ^The [sqlite3_value] returned ** is a [protected sqlite3_value] object even if the input is not. ** ^The sqlite3_value_dup(V) interface returns NULL if V is NULL or if a -** memory allocation fails. +** memory allocation fails. ^If V is a [pointer value], then the result +** of sqlite3_value_dup(V) is a NULL value. ** ** ^The sqlite3_value_free(V) interface frees an [sqlite3_value] object ** previously obtained from [sqlite3_value_dup()]. ^If V is a NULL pointer @@ -5493,7 +5824,7 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** ** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer ** when first called if N is less than or equal to zero or if a memory -** allocate error occurs. +** allocation error occurs. ** ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is ** determined by the N parameter on first successful call. Changing the @@ -5698,9 +6029,10 @@ typedef void (*sqlite3_destructor_type)(void*); ** of [SQLITE_UTF8], [SQLITE_UTF16], [SQLITE_UTF16BE], or [SQLITE_UTF16LE]. ** ^SQLite takes the text result from the application from ** the 2nd parameter of the sqlite3_result_text* interfaces. -** ^If the 3rd parameter to the sqlite3_result_text* interfaces -** is negative, then SQLite takes result text from the 2nd parameter -** through the first zero character. +** ^If the 3rd parameter to any of the sqlite3_result_text* interfaces +** other than sqlite3_result_text64() is negative, then SQLite computes +** the string length itself by searching the 2nd parameter for the first +** zero character. ** ^If the 3rd parameter to the sqlite3_result_text* interfaces ** is non-negative, then as many bytes (not characters) of the text ** pointed to by the 2nd parameter are taken as the application-defined @@ -5974,6 +6306,13 @@ SQLITE_API void sqlite3_activate_cerod( ** of the default VFS is not implemented correctly, or not implemented at ** all, then the behavior of sqlite3_sleep() may deviate from the description ** in the previous paragraphs. +** +** If a negative argument is passed to sqlite3_sleep() the results vary by +** VFS and operating system. Some system treat a negative argument as an +** instruction to sleep forever. Others understand it to mean do not sleep +** at all. ^In SQLite version 3.42.0 and later, a negative +** argument passed into sqlite3_sleep() is changed to zero before it is relayed +** down into the xSleep method of the VFS. */ SQLITE_API int sqlite3_sleep(int); @@ -6144,6 +6483,28 @@ SQLITE_API int sqlite3_get_autocommit(sqlite3*); */ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); +/* +** CAPI3REF: Return The Schema Name For A Database Connection +** METHOD: sqlite3 +** +** ^The sqlite3_db_name(D,N) interface returns a pointer to the schema name +** for the N-th database on database connection D, or a NULL pointer of N is +** out of range. An N value of 0 means the main database file. An N of 1 is +** the "temp" schema. Larger values of N correspond to various ATTACH-ed +** databases. +** +** Space to hold the string that is returned by sqlite3_db_name() is managed +** by SQLite itself. The string might be deallocated by any operation that +** changes the schema, including [ATTACH] or [DETACH] or calls to +** [sqlite3_serialize()] or [sqlite3_deserialize()], even operations that +** occur on a different thread. Applications that need to +** remember the string long-term should make their own copy. Applications that +** are accessing the same database connection simultaneously on multiple +** threads should mutex-protect calls to this API and should make their own +** private copy of the result prior to releasing the mutex. +*/ +SQLITE_API const char *sqlite3_db_name(sqlite3 *db, int N); + /* ** CAPI3REF: Return The Filename For A Database Connection ** METHOD: sqlite3 @@ -6174,7 +6535,7 @@ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); **
  • [sqlite3_filename_wal()] ** */ -SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); +SQLITE_API sqlite3_filename sqlite3_db_filename(sqlite3 *db, const char *zDbName); /* ** CAPI3REF: Determine if a database is read-only @@ -6186,6 +6547,57 @@ SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); */ SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName); +/* +** CAPI3REF: Determine the transaction state of a database +** METHOD: sqlite3 +** +** ^The sqlite3_txn_state(D,S) interface returns the current +** [transaction state] of schema S in database connection D. ^If S is NULL, +** then the highest transaction state of any schema on database connection D +** is returned. Transaction states are (in order of lowest to highest): +**
      +**
    1. SQLITE_TXN_NONE +**
    2. SQLITE_TXN_READ +**
    3. SQLITE_TXN_WRITE +**
    +** ^If the S argument to sqlite3_txn_state(D,S) is not the name of +** a valid schema, then -1 is returned. +*/ +SQLITE_API int sqlite3_txn_state(sqlite3*,const char *zSchema); + +/* +** CAPI3REF: Allowed return values from [sqlite3_txn_state()] +** KEYWORDS: {transaction state} +** +** These constants define the current transaction state of a database file. +** ^The [sqlite3_txn_state(D,S)] interface returns one of these +** constants in order to describe the transaction state of schema S +** in [database connection] D. +** +**
    +** [[SQLITE_TXN_NONE]]
    SQLITE_TXN_NONE
    +**
    The SQLITE_TXN_NONE state means that no transaction is currently +** pending.
    +** +** [[SQLITE_TXN_READ]]
    SQLITE_TXN_READ
    +**
    The SQLITE_TXN_READ state means that the database is currently +** in a read transaction. Content has been read from the database file +** but nothing in the database file has changed. The transaction state +** will advanced to SQLITE_TXN_WRITE if any changes occur and there are +** no other conflicting concurrent write transactions. The transaction +** state will revert to SQLITE_TXN_NONE following a [ROLLBACK] or +** [COMMIT].
    +** +** [[SQLITE_TXN_WRITE]]
    SQLITE_TXN_WRITE
    +**
    The SQLITE_TXN_WRITE state means that the database is currently +** in a write transaction. Content has been written to the database file +** but has not yet committed. The transaction state will change to +** to SQLITE_TXN_NONE at the next [ROLLBACK] or [COMMIT].
    +*/ +#define SQLITE_TXN_NONE 0 +#define SQLITE_TXN_READ 1 +#define SQLITE_TXN_WRITE 2 + /* ** CAPI3REF: Find the next prepared statement ** METHOD: sqlite3 @@ -6252,6 +6664,72 @@ SQLITE_API sqlite3_stmt *sqlite3_next_stmt(sqlite3 *pDb, sqlite3_stmt *pStmt); SQLITE_API void *sqlite3_commit_hook(sqlite3*, int(*)(void*), void*); SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); +/* +** CAPI3REF: Autovacuum Compaction Amount Callback +** METHOD: sqlite3 +** +** ^The sqlite3_autovacuum_pages(D,C,P,X) interface registers a callback +** function C that is invoked prior to each autovacuum of the database +** file. ^The callback is passed a copy of the generic data pointer (P), +** the schema-name of the attached database that is being autovacuumed, +** the size of the database file in pages, the number of free pages, +** and the number of bytes per page, respectively. The callback should +** return the number of free pages that should be removed by the +** autovacuum. ^If the callback returns zero, then no autovacuum happens. +** ^If the value returned is greater than or equal to the number of +** free pages, then a complete autovacuum happens. +** +**

    ^If there are multiple ATTACH-ed database files that are being +** modified as part of a transaction commit, then the autovacuum pages +** callback is invoked separately for each file. +** +**

    The callback is not reentrant. The callback function should +** not attempt to invoke any other SQLite interface. If it does, bad +** things may happen, including segmentation faults and corrupt database +** files. The callback function should be a simple function that +** does some arithmetic on its input parameters and returns a result. +** +** ^The X parameter to sqlite3_autovacuum_pages(D,C,P,X) is an optional +** destructor for the P parameter. ^If X is not NULL, then X(P) is +** invoked whenever the database connection closes or when the callback +** is overwritten by another invocation of sqlite3_autovacuum_pages(). +** +**

    ^There is only one autovacuum pages callback per database connection. +** ^Each call to the sqlite3_autovacuum_pages() interface overrides all +** previous invocations for that database connection. ^If the callback +** argument (C) to sqlite3_autovacuum_pages(D,C,P,X) is a NULL pointer, +** then the autovacuum steps callback is cancelled. The return value +** from sqlite3_autovacuum_pages() is normally SQLITE_OK, but might +** be some other error code if something goes wrong. The current +** implementation will only return SQLITE_OK or SQLITE_MISUSE, but other +** return codes might be added in future releases. +** +**

    If no autovacuum pages callback is specified (the usual case) or +** a NULL pointer is provided for the callback, +** then the default behavior is to vacuum all free pages. So, in other +** words, the default behavior is the same as if the callback function +** were something like this: +** +** 

    +**     unsigned int demonstration_autovac_pages_callback(
+**       void *pClientData,
+**       const char *zSchema,
+**       unsigned int nDbPage,
+**       unsigned int nFreePage,
+**       unsigned int nBytePerPage
+**     ){
+**       return nFreePage;
+**     }
+**
    +*/ +SQLITE_API int sqlite3_autovacuum_pages( + sqlite3 *db, + unsigned int(*)(void*,const char*,unsigned int,unsigned int,unsigned int), + void*, + void(*)(void*) +); + + /* ** CAPI3REF: Data Change Notification Callbacks ** METHOD: sqlite3 @@ -6315,6 +6793,11 @@ SQLITE_API void *sqlite3_update_hook( ** to the same database. Sharing is enabled if the argument is true ** and disabled if the argument is false.)^ ** +** This interface is omitted if SQLite is compiled with +** [-DSQLITE_OMIT_SHARED_CACHE]. The [-DSQLITE_OMIT_SHARED_CACHE] +** compile-time option is recommended because the +** [use of shared cache mode is discouraged]. +** ** ^Cache sharing is enabled and disabled for an entire process. ** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). ** In prior versions of SQLite, @@ -6413,7 +6896,7 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** ^The soft heap limit may not be greater than the hard heap limit. ** ^If the hard heap limit is enabled and if sqlite3_soft_heap_limit(N) ** is invoked with a value of N that is greater than the hard heap limit, -** the the soft heap limit is set to the value of the hard heap limit. +** the soft heap limit is set to the value of the hard heap limit. ** ^The soft heap limit is automatically enabled whenever the hard heap ** limit is enabled. ^When sqlite3_hard_heap_limit64(N) is invoked and ** the soft heap limit is outside the range of 1..N, then the soft heap @@ -6674,15 +7157,6 @@ SQLITE_API int sqlite3_cancel_auto_extension(void(*xEntryPoint)(void)); */ SQLITE_API void sqlite3_reset_auto_extension(void); -/* -** The interface to the virtual-table mechanism is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - /* ** Structures used by the virtual table interface */ @@ -6801,10 +7275,10 @@ struct sqlite3_module { ** when the omit flag is true there is no guarantee that the constraint will ** not be checked again using byte code.)^ ** -** ^The idxNum and idxPtr values are recorded and passed into the +** ^The idxNum and idxStr values are recorded and passed into the ** [xFilter] method. -** ^[sqlite3_free()] is used to free idxPtr if and only if -** needToFreeIdxPtr is true. +** ^[sqlite3_free()] is used to free idxStr if and only if +** needToFreeIdxStr is true. ** ** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in ** the correct order to satisfy the ORDER BY clause so that no separate @@ -6893,24 +7367,56 @@ struct sqlite3_index_info { ** ** These macros define the allowed values for the ** [sqlite3_index_info].aConstraint[].op field. Each value represents -** an operator that is part of a constraint term in the wHERE clause of +** an operator that is part of a constraint term in the WHERE clause of ** a query that uses a [virtual table]. -*/ -#define SQLITE_INDEX_CONSTRAINT_EQ 2 -#define SQLITE_INDEX_CONSTRAINT_GT 4 -#define SQLITE_INDEX_CONSTRAINT_LE 8 -#define SQLITE_INDEX_CONSTRAINT_LT 16 -#define SQLITE_INDEX_CONSTRAINT_GE 32 -#define SQLITE_INDEX_CONSTRAINT_MATCH 64 -#define SQLITE_INDEX_CONSTRAINT_LIKE 65 -#define SQLITE_INDEX_CONSTRAINT_GLOB 66 -#define SQLITE_INDEX_CONSTRAINT_REGEXP 67 -#define SQLITE_INDEX_CONSTRAINT_NE 68 -#define SQLITE_INDEX_CONSTRAINT_ISNOT 69 -#define SQLITE_INDEX_CONSTRAINT_ISNOTNULL 70 -#define SQLITE_INDEX_CONSTRAINT_ISNULL 71 -#define SQLITE_INDEX_CONSTRAINT_IS 72 -#define SQLITE_INDEX_CONSTRAINT_FUNCTION 150 +** +** ^The left-hand operand of the operator is given by the corresponding +** aConstraint[].iColumn field. ^An iColumn of -1 indicates the left-hand +** operand is the rowid. +** The SQLITE_INDEX_CONSTRAINT_LIMIT and SQLITE_INDEX_CONSTRAINT_OFFSET +** operators have no left-hand operand, and so for those operators the +** corresponding aConstraint[].iColumn is meaningless and should not be +** used. +** +** All operator values from SQLITE_INDEX_CONSTRAINT_FUNCTION through +** value 255 are reserved to represent functions that are overloaded +** by the [xFindFunction|xFindFunction method] of the virtual table +** implementation. +** +** The right-hand operands for each constraint might be accessible using +** the [sqlite3_vtab_rhs_value()] interface. Usually the right-hand +** operand is only available if it appears as a single constant literal +** in the input SQL. If the right-hand operand is another column or an +** expression (even a constant expression) or a parameter, then the +** sqlite3_vtab_rhs_value() probably will not be able to extract it. +** ^The SQLITE_INDEX_CONSTRAINT_ISNULL and +** SQLITE_INDEX_CONSTRAINT_ISNOTNULL operators have no right-hand operand +** and hence calls to sqlite3_vtab_rhs_value() for those operators will +** always return SQLITE_NOTFOUND. +** +** The collating sequence to be used for comparison can be found using +** the [sqlite3_vtab_collation()] interface. For most real-world virtual +** tables, the collating sequence of constraints does not matter (for example +** because the constraints are numeric) and so the sqlite3_vtab_collation() +** interface is not commonly needed. +*/ +#define SQLITE_INDEX_CONSTRAINT_EQ 2 +#define SQLITE_INDEX_CONSTRAINT_GT 4 +#define SQLITE_INDEX_CONSTRAINT_LE 8 +#define SQLITE_INDEX_CONSTRAINT_LT 16 +#define SQLITE_INDEX_CONSTRAINT_GE 32 +#define SQLITE_INDEX_CONSTRAINT_MATCH 64 +#define SQLITE_INDEX_CONSTRAINT_LIKE 65 +#define SQLITE_INDEX_CONSTRAINT_GLOB 66 +#define SQLITE_INDEX_CONSTRAINT_REGEXP 67 +#define SQLITE_INDEX_CONSTRAINT_NE 68 +#define SQLITE_INDEX_CONSTRAINT_ISNOT 69 +#define SQLITE_INDEX_CONSTRAINT_ISNOTNULL 70 +#define SQLITE_INDEX_CONSTRAINT_ISNULL 71 +#define SQLITE_INDEX_CONSTRAINT_IS 72 +#define SQLITE_INDEX_CONSTRAINT_LIMIT 73 +#define SQLITE_INDEX_CONSTRAINT_OFFSET 74 +#define SQLITE_INDEX_CONSTRAINT_FUNCTION 150 /* ** CAPI3REF: Register A Virtual Table Implementation @@ -6939,7 +7445,7 @@ struct sqlite3_index_info { ** destructor. ** ** ^If the third parameter (the pointer to the sqlite3_module object) is -** NULL then no new module is create and any existing modules with the +** NULL then no new module is created and any existing modules with the ** same name are dropped. ** ** See also: [sqlite3_drop_modules()] @@ -7051,16 +7557,6 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); */ SQLITE_API int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg); -/* -** The interface to the virtual-table mechanism defined above (back up -** to a comment remarkably similar to this one) is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - /* ** CAPI3REF: A Handle To An Open BLOB ** KEYWORDS: {BLOB handle} {BLOB handles} @@ -7444,9 +7940,9 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** is undefined if the mutex is not currently entered by the ** calling thread or is not currently allocated. ** -** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), or -** sqlite3_mutex_leave() is a NULL pointer, then all three routines -** behave as no-ops. +** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), +** sqlite3_mutex_leave(), or sqlite3_mutex_free() is a NULL pointer, +** then any of the four routines behaves as a no-op. ** ** See also: [sqlite3_mutex_held()] and [sqlite3_mutex_notheld()]. */ @@ -7712,7 +8208,12 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_RESULT_INTREAL 27 #define SQLITE_TESTCTRL_PRNG_SEED 28 #define SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS 29 -#define SQLITE_TESTCTRL_LAST 29 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_SEEK_COUNT 30 +#define SQLITE_TESTCTRL_TRACEFLAGS 31 +#define SQLITE_TESTCTRL_TUNE 32 +#define SQLITE_TESTCTRL_LOGEST 33 +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -8235,6 +8736,16 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** The counter is incremented on the first [sqlite3_step()] call of each ** cycle. ** +** [[SQLITE_STMTSTATUS_FILTER_MISS]] +** [[SQLITE_STMTSTATUS_FILTER HIT]] +**
    SQLITE_STMTSTATUS_FILTER_HIT
    +** SQLITE_STMTSTATUS_FILTER_MISS
    +**
    ^SQLITE_STMTSTATUS_FILTER_HIT is the number of times that a join +** step was bypassed because a Bloom filter returned not-found. The +** corresponding SQLITE_STMTSTATUS_FILTER_MISS value is the number of +** times that the Bloom filter returned a find, and thus the join step +** had to be processed as normal. +** ** [[SQLITE_STMTSTATUS_MEMUSED]]
    SQLITE_STMTSTATUS_MEMUSED
    **
    ^This is the approximate number of bytes of heap memory ** used to store the prepared statement. ^This value is not actually @@ -8249,6 +8760,8 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); #define SQLITE_STMTSTATUS_VM_STEP 4 #define SQLITE_STMTSTATUS_REPREPARE 5 #define SQLITE_STMTSTATUS_RUN 6 +#define SQLITE_STMTSTATUS_FILTER_MISS 7 +#define SQLITE_STMTSTATUS_FILTER_HIT 8 #define SQLITE_STMTSTATUS_MEMUSED 99 /* @@ -8660,7 +9173,7 @@ typedef struct sqlite3_backup sqlite3_backup; ** if the application incorrectly accesses the destination [database connection] ** and so no error code is reported, but the operations may malfunction ** nevertheless. Use of the destination database connection while a -** backup is in progress might also also cause a mutex deadlock. +** backup is in progress might also cause a mutex deadlock. ** ** If running in [shared cache mode], the application must ** guarantee that the shared cache used by the destination database @@ -8732,8 +9245,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections -** unlock-notify callback may also be canceled by closing the blocked +** unlock-notify callback is cancelled. ^The blocked connections +** unlock-notify callback may also be cancelled by closing the blocked ** connection using [sqlite3_close()]. ** ** The unlock-notify callback is not reentrant. If an application invokes @@ -8912,8 +9425,9 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** ** A single database handle may have at most a single write-ahead log callback ** registered at one time. ^Calling [sqlite3_wal_hook()] replaces any -** previously registered write-ahead log callback. ^Note that the -** [sqlite3_wal_autocheckpoint()] interface and the +** previously registered write-ahead log callback. ^The return value is +** a copy of the third parameter from the previous call, if any, or 0. +** ^Note that the [sqlite3_wal_autocheckpoint()] interface and the ** [wal_autocheckpoint pragma] both invoke [sqlite3_wal_hook()] and will ** overwrite any prior [sqlite3_wal_hook()] settings. */ @@ -9087,7 +9601,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( */ #define SQLITE_CHECKPOINT_PASSIVE 0 /* Do as much as possible w/o blocking */ #define SQLITE_CHECKPOINT_FULL 1 /* Wait for writers, then checkpoint */ -#define SQLITE_CHECKPOINT_RESTART 2 /* Like FULL but wait for for readers */ +#define SQLITE_CHECKPOINT_RESTART 2 /* Like FULL but wait for readers */ #define SQLITE_CHECKPOINT_TRUNCATE 3 /* Like RESTART but also truncate WAL */ /* @@ -9155,7 +9669,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]
    SQLITE_VTAB_DIRECTONLY
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
    @@ -9163,18 +9677,28 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_INNOCUOUS]]
    SQLITE_VTAB_INNOCUOUS
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** identify that virtual table as being safe to use from within triggers ** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the ** virtual table can do no serious harm even if it is controlled by a ** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS ** flag unless absolutely necessary. **
    +** +** [[SQLITE_VTAB_USES_ALL_SCHEMAS]]
    SQLITE_VTAB_USES_ALL_SCHEMAS
    +**
    Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_USES_ALL_SCHEMA) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implementation +** instruct the query planner to begin at least a read transaction on +** all schemas ("main", "temp", and any ATTACH-ed databases) whenever the +** virtual table is used. +**
    **
    */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 #define SQLITE_VTAB_INNOCUOUS 2 #define SQLITE_VTAB_DIRECTONLY 3 +#define SQLITE_VTAB_USES_ALL_SCHEMAS 4 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -9192,10 +9716,11 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *); ** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE ** ** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn] -** method of a [virtual table], then it returns true if and only if the +** method of a [virtual table], then it might return true if the ** column is being fetched as part of an UPDATE operation during which the -** column value will not change. Applications might use this to substitute -** a return value that is less expensive to compute and that the corresponding +** column value will not change. The virtual table implementation can use +** this hint as permission to substitute a return value that is less +** expensive to compute and that the corresponding ** [xUpdate] method understands as a "no-change" value. ** ** If the [xColumn] method calls sqlite3_vtab_nochange() and finds that @@ -9204,23 +9729,285 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *); ** any of the [sqlite3_result_int|sqlite3_result_xxxxx() interfaces]. ** In that case, [sqlite3_value_nochange(X)] will return true for the ** same column in the [xUpdate] method. +** +** The sqlite3_vtab_nochange() routine is an optimization. Virtual table +** implementations should continue to give a correct answer even if the +** sqlite3_vtab_nochange() interface were to always return false. In the +** current implementation, the sqlite3_vtab_nochange() interface does always +** returns false for the enhanced [UPDATE FROM] statement. */ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); /* ** CAPI3REF: Determine The Collation For a Virtual Table Constraint +** METHOD: sqlite3_index_info ** ** This function may only be called from within a call to the [xBestIndex] -** method of a [virtual table]. +** method of a [virtual table]. This function returns a pointer to a string +** that is the name of the appropriate collation sequence to use for text +** comparisons on the constraint identified by its arguments. +** +** The first argument must be the pointer to the [sqlite3_index_info] object +** that is the first parameter to the xBestIndex() method. The second argument +** must be an index into the aConstraint[] array belonging to the +** sqlite3_index_info structure passed to xBestIndex. +** +** Important: +** The first parameter must be the same pointer that is passed into the +** xBestMethod() method. The first parameter may not be a pointer to a +** different [sqlite3_index_info] object, even an exact copy. ** -** The first argument must be the sqlite3_index_info object that is the -** first parameter to the xBestIndex() method. The second argument must be -** an index into the aConstraint[] array belonging to the sqlite3_index_info -** structure passed to xBestIndex. This function returns a pointer to a buffer -** containing the name of the collation sequence for the corresponding -** constraint. +** The return value is computed as follows: +** +**
      +**

    1. If the constraint comes from a WHERE clause expression that contains +** a [COLLATE operator], then the name of the collation specified by +** that COLLATE operator is returned. +**

    2. If there is no COLLATE operator, but the column that is the subject +** of the constraint specifies an alternative collating sequence via +** a [COLLATE clause] on the column definition within the CREATE TABLE +** statement that was passed into [sqlite3_declare_vtab()], then the +** name of that alternative collating sequence is returned. +**

    3. Otherwise, "BINARY" is returned. +**

    */ -SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_info*,int); +SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info*,int); + +/* +** CAPI3REF: Determine if a virtual table query is DISTINCT +** METHOD: sqlite3_index_info +** +** This API may only be used from within an [xBestIndex|xBestIndex method] +** of a [virtual table] implementation. The result of calling this +** interface from outside of xBestIndex() is undefined and probably harmful. +** +** ^The sqlite3_vtab_distinct() interface returns an integer between 0 and +** 3. The integer returned by sqlite3_vtab_distinct() +** gives the virtual table additional information about how the query +** planner wants the output to be ordered. As long as the virtual table +** can meet the ordering requirements of the query planner, it may set +** the "orderByConsumed" flag. +** +**

    1. +** ^If the sqlite3_vtab_distinct() interface returns 0, that means +** that the query planner needs the virtual table to return all rows in the +** sort order defined by the "nOrderBy" and "aOrderBy" fields of the +** [sqlite3_index_info] object. This is the default expectation. If the +** virtual table outputs all rows in sorted order, then it is always safe for +** the xBestIndex method to set the "orderByConsumed" flag, regardless of +** the return value from sqlite3_vtab_distinct(). +**

    2. +** ^(If the sqlite3_vtab_distinct() interface returns 1, that means +** that the query planner does not need the rows to be returned in sorted order +** as long as all rows with the same values in all columns identified by the +** "aOrderBy" field are adjacent.)^ This mode is used when the query planner +** is doing a GROUP BY. +**

    3. +** ^(If the sqlite3_vtab_distinct() interface returns 2, that means +** that the query planner does not need the rows returned in any particular +** order, as long as rows with the same values in all "aOrderBy" columns +** are adjacent.)^ ^(Furthermore, only a single row for each particular +** combination of values in the columns identified by the "aOrderBy" field +** needs to be returned.)^ ^It is always ok for two or more rows with the same +** values in all "aOrderBy" columns to be returned, as long as all such rows +** are adjacent. ^The virtual table may, if it chooses, omit extra rows +** that have the same value for all columns identified by "aOrderBy". +** ^However omitting the extra rows is optional. +** This mode is used for a DISTINCT query. +**

    4. +** ^(If the sqlite3_vtab_distinct() interface returns 3, that means +** that the query planner needs only distinct rows but it does need the +** rows to be sorted.)^ ^The virtual table implementation is free to omit +** rows that are identical in all aOrderBy columns, if it wants to, but +** it is not required to omit any rows. This mode is used for queries +** that have both DISTINCT and ORDER BY clauses. +**

    +** +** ^For the purposes of comparing virtual table output values to see if the +** values are same value for sorting purposes, two NULL values are considered +** to be the same. In other words, the comparison operator is "IS" +** (or "IS NOT DISTINCT FROM") and not "==". +** +** If a virtual table implementation is unable to meet the requirements +** specified above, then it must not set the "orderByConsumed" flag in the +** [sqlite3_index_info] object or an incorrect answer may result. +** +** ^A virtual table implementation is always free to return rows in any order +** it wants, as long as the "orderByConsumed" flag is not set. ^When the +** the "orderByConsumed" flag is unset, the query planner will add extra +** [bytecode] to ensure that the final results returned by the SQL query are +** ordered correctly. The use of the "orderByConsumed" flag and the +** sqlite3_vtab_distinct() interface is merely an optimization. ^Careful +** use of the sqlite3_vtab_distinct() interface and the "orderByConsumed" +** flag might help queries against a virtual table to run faster. Being +** overly aggressive and setting the "orderByConsumed" flag when it is not +** valid to do so, on the other hand, might cause SQLite to return incorrect +** results. +*/ +SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); + +/* +** CAPI3REF: Identify and handle IN constraints in xBestIndex +** +** This interface may only be used from within an +** [xBestIndex|xBestIndex() method] of a [virtual table] implementation. +** The result of invoking this interface from any other context is +** undefined and probably harmful. +** +** ^(A constraint on a virtual table of the form +** "[IN operator|column IN (...)]" is +** communicated to the xBestIndex method as a +** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use +** this constraint, it must set the corresponding +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under +** the usual mode of handling IN operators, SQLite generates [bytecode] +** that invokes the [xFilter|xFilter() method] once for each value +** on the right-hand side of the IN operator.)^ Thus the virtual table +** only sees a single value from the right-hand side of the IN operator +** at a time. +** +** In some cases, however, it would be advantageous for the virtual +** table to see all values on the right-hand of the IN operator all at +** once. The sqlite3_vtab_in() interfaces facilitates this in two ways: +** +**
      +**

    1. +** ^A call to sqlite3_vtab_in(P,N,-1) will return true (non-zero) +** if and only if the [sqlite3_index_info|P->aConstraint][N] constraint +** is an [IN operator] that can be processed all at once. ^In other words, +** sqlite3_vtab_in() with -1 in the third argument is a mechanism +** by which the virtual table can ask SQLite if all-at-once processing +** of the IN operator is even possible. +** +**

    2. +** ^A call to sqlite3_vtab_in(P,N,F) with F==1 or F==0 indicates +** to SQLite that the virtual table does or does not want to process +** the IN operator all-at-once, respectively. ^Thus when the third +** parameter (F) is non-negative, this interface is the mechanism by +** which the virtual table tells SQLite how it wants to process the +** IN operator. +**

    +** +** ^The sqlite3_vtab_in(P,N,F) interface can be invoked multiple times +** within the same xBestIndex method call. ^For any given P,N pair, +** the return value from sqlite3_vtab_in(P,N,F) will always be the same +** within the same xBestIndex call. ^If the interface returns true +** (non-zero), that means that the constraint is an IN operator +** that can be processed all-at-once. ^If the constraint is not an IN +** operator or cannot be processed all-at-once, then the interface returns +** false. +** +** ^(All-at-once processing of the IN operator is selected if both of the +** following conditions are met: +** +**
      +**

    1. The P->aConstraintUsage[N].argvIndex value is set to a positive +** integer. This is how the virtual table tells SQLite that it wants to +** use the N-th constraint. +** +**

    2. The last call to sqlite3_vtab_in(P,N,F) for which F was +** non-negative had F>=1. +**

    )^ +** +** ^If either or both of the conditions above are false, then SQLite uses +** the traditional one-at-a-time processing strategy for the IN constraint. +** ^If both conditions are true, then the argvIndex-th parameter to the +** xFilter method will be an [sqlite3_value] that appears to be NULL, +** but which can be passed to [sqlite3_vtab_in_first()] and +** [sqlite3_vtab_in_next()] to find all values on the right-hand side +** of the IN constraint. +*/ +SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle); + +/* +** CAPI3REF: Find all elements on the right-hand side of an IN constraint. +** +** These interfaces are only useful from within the +** [xFilter|xFilter() method] of a [virtual table] implementation. +** The result of invoking these interfaces from any other context +** is undefined and probably harmful. +** +** The X parameter in a call to sqlite3_vtab_in_first(X,P) or +** sqlite3_vtab_in_next(X,P) should be one of the parameters to the +** xFilter method which invokes these routines, and specifically +** a parameter that was previously selected for all-at-once IN constraint +** processing use the [sqlite3_vtab_in()] interface in the +** [xBestIndex|xBestIndex method]. ^(If the X parameter is not +** an xFilter argument that was selected for all-at-once IN constraint +** processing, then these routines return [SQLITE_ERROR].)^ +** +** ^(Use these routines to access all values on the right-hand side +** of the IN constraint using code like the following: +** +** 
    +**    for(rc=sqlite3_vtab_in_first(pList, &pVal);
+**        rc==SQLITE_OK && pVal;
+**        rc=sqlite3_vtab_in_next(pList, &pVal)
+**    ){
+**      // do something with pVal
+**    }
+**    if( rc!=SQLITE_OK ){
+**      // an error has occurred
+**    }
+**
    )^ +** +** ^On success, the sqlite3_vtab_in_first(X,P) and sqlite3_vtab_in_next(X,P) +** routines return SQLITE_OK and set *P to point to the first or next value +** on the RHS of the IN constraint. ^If there are no more values on the +** right hand side of the IN constraint, then *P is set to NULL and these +** routines return [SQLITE_DONE]. ^The return value might be +** some other value, such as SQLITE_NOMEM, in the event of a malfunction. +** +** The *ppOut values returned by these routines are only valid until the +** next call to either of these routines or until the end of the xFilter +** method from which these routines were called. If the virtual table +** implementation needs to retain the *ppOut values for longer, it must make +** copies. The *ppOut values are [protected sqlite3_value|protected]. +*/ +SQLITE_API int sqlite3_vtab_in_first(sqlite3_value *pVal, sqlite3_value **ppOut); +SQLITE_API int sqlite3_vtab_in_next(sqlite3_value *pVal, sqlite3_value **ppOut); + +/* +** CAPI3REF: Constraint values in xBestIndex() +** METHOD: sqlite3_index_info +** +** This API may only be used from within the [xBestIndex|xBestIndex method] +** of a [virtual table] implementation. The result of calling this interface +** from outside of an xBestIndex method are undefined and probably harmful. +** +** ^When the sqlite3_vtab_rhs_value(P,J,V) interface is invoked from within +** the [xBestIndex] method of a [virtual table] implementation, with P being +** a copy of the [sqlite3_index_info] object pointer passed into xBestIndex and +** J being a 0-based index into P->aConstraint[], then this routine +** attempts to set *V to the value of the right-hand operand of +** that constraint if the right-hand operand is known. ^If the +** right-hand operand is not known, then *V is set to a NULL pointer. +** ^The sqlite3_vtab_rhs_value(P,J,V) interface returns SQLITE_OK if +** and only if *V is set to a value. ^The sqlite3_vtab_rhs_value(P,J,V) +** inteface returns SQLITE_NOTFOUND if the right-hand side of the J-th +** constraint is not available. ^The sqlite3_vtab_rhs_value() interface +** can return an result code other than SQLITE_OK or SQLITE_NOTFOUND if +** something goes wrong. +** +** The sqlite3_vtab_rhs_value() interface is usually only successful if +** the right-hand operand of a constraint is a literal value in the original +** SQL statement. If the right-hand operand is an expression or a reference +** to some other column or a [host parameter], then sqlite3_vtab_rhs_value() +** will probably return [SQLITE_NOTFOUND]. +** +** ^(Some constraints, such as [SQLITE_INDEX_CONSTRAINT_ISNULL] and +** [SQLITE_INDEX_CONSTRAINT_ISNOTNULL], have no right-hand operand. For such +** constraints, sqlite3_vtab_rhs_value() always returns SQLITE_NOTFOUND.)^ +** +** ^The [sqlite3_value] object returned in *V is a protected sqlite3_value +** and remains valid for the duration of the xBestIndex method call. +** ^When xBestIndex returns, the sqlite3_value object returned by +** sqlite3_vtab_rhs_value() is automatically deallocated. +** +** The "_rhs_" in the name of this routine is an abbreviation for +** "Right-Hand Side". +*/ +SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value **ppVal); /* ** CAPI3REF: Conflict resolution modes @@ -9252,6 +10039,10 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** managed by the prepared statement S and will be automatically freed when ** S is finalized. ** +** Not all values are available for all query elements. When a value is +** not available, the output variable is set to -1 if the value is numeric, +** or to NULL if it is a string (SQLITE_SCANSTAT_NAME). +** **
    ** [[SQLITE_SCANSTAT_NLOOP]]
    SQLITE_SCANSTAT_NLOOP
    **
    ^The [sqlite3_int64] variable pointed to by the V parameter will be @@ -9279,12 +10070,24 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** -** [[SQLITE_SCANSTAT_SELECTID]]
    SQLITE_SCANSTAT_SELECT
    +** [[SQLITE_SCANSTAT_SELECTID]]
    SQLITE_SCANSTAT_SELECTID
    **
    ^The "int" variable pointed to by the V parameter will be set to the -** "select-id" for the X-th loop. The select-id identifies which query or -** subquery the loop is part of. The main query has a select-id of zero. -** The select-id is the same value as is output in the first column -** of an [EXPLAIN QUERY PLAN] query. +** id for the X-th query plan element. The id value is unique within the +** statement. The select-id is the same value as is output in the first +** column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_PARENTID]]
    SQLITE_SCANSTAT_PARENTID
    +**
    The "int" variable pointed to by the V parameter will be set to the +** the id of the parent of the current query element, if applicable, or +** to zero if the query element has no parent. This is the same value as +** returned in the second column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_NCYCLE]]
    SQLITE_SCANSTAT_NCYCLE
    +**
    The sqlite3_int64 output value is set to the number of cycles, +** according to the processor time-stamp counter, that elapsed while the +** query element was being processed. This value is not available for +** all query elements - if it is unavailable the output variable is +** set to -1. **
    */ #define SQLITE_SCANSTAT_NLOOP 0 @@ -9293,12 +10096,14 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ #define SQLITE_SCANSTAT_NAME 3 #define SQLITE_SCANSTAT_EXPLAIN 4 #define SQLITE_SCANSTAT_SELECTID 5 +#define SQLITE_SCANSTAT_PARENTID 6 +#define SQLITE_SCANSTAT_NCYCLE 7 /* ** CAPI3REF: Prepared Statement Scan Status ** METHOD: sqlite3_stmt ** -** This interface returns information about the predicted and measured +** These interfaces return information about the predicted and measured ** performance for pStmt. Advanced applications can use this ** interface to compare the predicted and the measured performance and ** issue warnings and/or rerun [ANALYZE] if discrepancies are found. @@ -9309,19 +10114,25 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** ** The "iScanStatusOp" parameter determines which status information to return. ** The "iScanStatusOp" must be one of the [scanstatus options] or the behavior -** of this interface is undefined. -** ^The requested measurement is written into a variable pointed to by -** the "pOut" parameter. -** Parameter "idx" identifies the specific loop to retrieve statistics for. -** Loops are numbered starting from zero. ^If idx is out of range - less than -** zero or greater than or equal to the total number of loops used to implement -** the statement - a non-zero value is returned and the variable that pOut -** points to is unchanged. -** -** ^Statistics might not be available for all loops in all statements. ^In cases -** where there exist loops with no available statistics, this function behaves -** as if the loop did not exist - it returns non-zero and leave the variable -** that pOut points to unchanged. +** of this interface is undefined. ^The requested measurement is written into +** a variable pointed to by the "pOut" parameter. +** +** The "flags" parameter must be passed a mask of flags. At present only +** one flag is defined - SQLITE_SCANSTAT_COMPLEX. If SQLITE_SCANSTAT_COMPLEX +** is specified, then status information is available for all elements +** of a query plan that are reported by "EXPLAIN QUERY PLAN" output. If +** SQLITE_SCANSTAT_COMPLEX is not specified, then only query plan elements +** that correspond to query loops (the "SCAN..." and "SEARCH..." elements of +** the EXPLAIN QUERY PLAN output) are available. Invoking API +** sqlite3_stmt_scanstatus() is equivalent to calling +** sqlite3_stmt_scanstatus_v2() with a zeroed flags parameter. +** +** Parameter "idx" identifies the specific query element to retrieve statistics +** for. Query elements are numbered starting from zero. A value of -1 may be +** to query for statistics regarding the entire query. ^If idx is out of range +** - less than -1 or greater than or equal to the total number of query +** elements used to implement the statement - a non-zero value is returned and +** the variable that pOut points to is unchanged. ** ** See also: [sqlite3_stmt_scanstatus_reset()] */ @@ -9331,6 +10142,19 @@ SQLITE_API int sqlite3_stmt_scanstatus( int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ ); +SQLITE_API int sqlite3_stmt_scanstatus_v2( + sqlite3_stmt *pStmt, /* Prepared statement for which info desired */ + int idx, /* Index of loop to report on */ + int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ + int flags, /* Mask of flags defined below */ + void *pOut /* Result written here */ +); + +/* +** CAPI3REF: Prepared Statement Scan Status +** KEYWORDS: {scan status flags} +*/ +#define SQLITE_SCANSTAT_COMPLEX 0x0001 /* ** CAPI3REF: Zero Scan-Status Counters @@ -9345,6 +10169,7 @@ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt*); /* ** CAPI3REF: Flush caches to disk mid-transaction +** METHOD: sqlite3 ** ** ^If a write-transaction is open on [database connection] D when the ** [sqlite3_db_cacheflush(D)] interface invoked, any dirty @@ -9377,6 +10202,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); /* ** CAPI3REF: The pre-update hook. +** METHOD: sqlite3 ** ** ^These interfaces are only available if SQLite is compiled using the ** [SQLITE_ENABLE_PREUPDATE_HOOK] compile-time option. @@ -9417,7 +10243,11 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** seventh parameter is the final rowid value of the row being inserted ** or updated. The value of the seventh parameter passed to the callback ** function is not defined for operations on WITHOUT ROWID tables, or for -** INSERT operations on rowid tables. +** DELETE operations on rowid tables. +** +** ^The sqlite3_preupdate_hook(D,C,P) function returns the P argument from +** the previous call on the same [database connection] D, or NULL for +** the first call on D. ** ** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()], ** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces @@ -9455,6 +10285,15 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** triggers; or 2 for changes resulting from triggers called by top-level ** triggers; and so forth. ** +** When the [sqlite3_blob_write()] API is used to update a blob column, +** the pre-update hook is invoked with SQLITE_DELETE. This is because the +** in this case the new values are not available. In this case, when a +** callback made with op==SQLITE_DELETE is actually a write using the +** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns +** the index of the column being written. In other cases, where the +** pre-update hook is being invoked for some other reason, including a +** regular DELETE, sqlite3_preupdate_blobwrite() returns -1. +** ** See also: [sqlite3_update_hook()] */ #if defined(SQLITE_ENABLE_PREUPDATE_HOOK) @@ -9475,10 +10314,12 @@ SQLITE_API int sqlite3_preupdate_old(sqlite3 *, int, sqlite3_value **); SQLITE_API int sqlite3_preupdate_count(sqlite3 *); SQLITE_API int sqlite3_preupdate_depth(sqlite3 *); SQLITE_API int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **); +SQLITE_API int sqlite3_preupdate_blobwrite(sqlite3 *); #endif /* ** CAPI3REF: Low-level system error code +** METHOD: sqlite3 ** ** ^Attempt to return the underlying operating system error code or error ** number that caused the most recent I/O error or failure to open a file. @@ -9712,8 +10553,8 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** SQLITE_SERIALIZE_NOCOPY bit is omitted from argument F if a memory ** allocation error occurs. ** -** This interface is only available if SQLite is compiled with the -** [SQLITE_ENABLE_DESERIALIZE] option. +** This interface is omitted if SQLite is compiled with the +** [SQLITE_OMIT_DESERIALIZE] option. */ SQLITE_API unsigned char *sqlite3_serialize( sqlite3 *db, /* The database connection */ @@ -9760,12 +10601,16 @@ SQLITE_API unsigned char *sqlite3_serialize( ** database is currently in a read transaction or is involved in a backup ** operation. ** +** It is not possible to deserialized into the TEMP database. If the +** S argument to sqlite3_deserialize(D,S,P,N,M,F) is "temp" then the +** function returns SQLITE_ERROR. +** ** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. ** -** This interface is only available if SQLite is compiled with the -** [SQLITE_ENABLE_DESERIALIZE] option. +** This interface is omitted if SQLite is compiled with the +** [SQLITE_OMIT_DESERIALIZE] option. */ SQLITE_API int sqlite3_deserialize( sqlite3 *db, /* The database connection */ @@ -9809,6 +10654,19 @@ SQLITE_API int sqlite3_deserialize( # undef double #endif +#if defined(__wasi__) +# undef SQLITE_WASI +# define SQLITE_WASI 1 +# undef SQLITE_OMIT_WAL +# define SQLITE_OMIT_WAL 1/* because it requires shared memory APIs */ +# ifndef SQLITE_OMIT_LOAD_EXTENSION +# define SQLITE_OMIT_LOAD_EXTENSION +# endif +# ifndef SQLITE_THREADSAFE +# define SQLITE_THREADSAFE 0 +# endif +#endif + #ifdef __cplusplus } /* End of the 'extern "C"' block */ #endif @@ -10014,6 +10872,51 @@ SQLITE_API int sqlite3session_create( */ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); +/* +** CAPI3REF: Configure a Session Object +** METHOD: sqlite3_session +** +** This method is used to configure a session object after it has been +** created. At present the only valid values for the second parameter are +** [SQLITE_SESSION_OBJCONFIG_SIZE] and [SQLITE_SESSION_OBJCONFIG_ROWID]. +** +*/ +SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); + +/* +** CAPI3REF: Options for sqlite3session_object_config +** +** The following values may passed as the the 2nd parameter to +** sqlite3session_object_config(). +** +**
    SQLITE_SESSION_OBJCONFIG_SIZE
    +** This option is used to set, clear or query the flag that enables +** the [sqlite3session_changeset_size()] API. Because it imposes some +** computational overhead, this API is disabled by default. Argument +** pArg must point to a value of type (int). If the value is initially +** 0, then the sqlite3session_changeset_size() API is disabled. If it +** is greater than 0, then the same API is enabled. Or, if the initial +** value is less than zero, no change is made. In all cases the (int) +** variable is set to 1 if the sqlite3session_changeset_size() API is +** enabled following the current call, or 0 otherwise. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. +** +**
    SQLITE_SESSION_OBJCONFIG_ROWID
    +** This option is used to set, clear or query the flag that enables +** collection of data for tables with no explicit PRIMARY KEY. +** +** Normally, tables with no explicit PRIMARY KEY are simply ignored +** by the sessions module. However, if this flag is set, it behaves +** as if such tables have a column "_rowid_ INTEGER PRIMARY KEY" inserted +** as their leftmost columns. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. +*/ +#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_ROWID 2 /* ** CAPI3REF: Enable Or Disable A Session Object @@ -10258,6 +11161,22 @@ SQLITE_API int sqlite3session_changeset( void **ppChangeset /* OUT: Buffer containing changeset */ ); +/* +** CAPI3REF: Return An Upper-limit For The Size Of The Changeset +** METHOD: sqlite3_session +** +** By default, this function always returns 0. For it to return +** a useful result, the sqlite3_session object must have been configured +** to enable this API using sqlite3session_object_config() with the +** SQLITE_SESSION_OBJCONFIG_SIZE verb. +** +** When enabled, this function returns an upper limit, in bytes, for the size +** of the changeset that might be produced if sqlite3session_changeset() were +** called. The final changeset size might be equal to or smaller than the +** size in bytes returned by this function. +*/ +SQLITE_API sqlite3_int64 sqlite3session_changeset_size(sqlite3_session *pSession); + /* ** CAPI3REF: Load The Difference Between Tables Into A Session ** METHOD: sqlite3_session @@ -10375,6 +11294,14 @@ SQLITE_API int sqlite3session_patchset( */ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); +/* +** CAPI3REF: Query for the amount of heap memory used by a session object. +** +** This API returns the total amount of heap memory in bytes currently +** used by the session object passed as the only argument. +*/ +SQLITE_API sqlite3_int64 sqlite3session_memory_used(sqlite3_session *pSession); + /* ** CAPI3REF: Create An Iterator To Traverse A Changeset ** CONSTRUCTOR: sqlite3_changeset_iter @@ -10477,18 +11404,23 @@ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); ** call to [sqlite3changeset_next()] must have returned [SQLITE_ROW]. If this ** is not the case, this function returns [SQLITE_MISUSE]. ** -** If argument pzTab is not NULL, then *pzTab is set to point to a -** nul-terminated utf-8 encoded string containing the name of the table -** affected by the current change. The buffer remains valid until either -** sqlite3changeset_next() is called on the iterator or until the -** conflict-handler function returns. If pnCol is not NULL, then *pnCol is -** set to the number of columns in the table affected by the change. If -** pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change +** Arguments pOp, pnCol and pzTab may not be NULL. Upon return, three +** outputs are set through these pointers: +** +** *pOp is set to one of [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], +** depending on the type of change that the iterator currently points to; +** +** *pnCol is set to the number of columns in the table affected by the change; and +** +** *pzTab is set to point to a nul-terminated utf-8 encoded string containing +** the name of the table affected by the current change. The buffer remains +** valid until either sqlite3changeset_next() is called on the iterator +** or until the conflict-handler function returns. +** +** If pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change ** is an indirect change, or false (0) otherwise. See the documentation for ** [sqlite3session_indirect()] for a description of direct and indirect -** changes. Finally, if pOp is not NULL, then *pOp is set to one of -** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the -** type of change that the iterator currently points to. +** changes. ** ** If no error occurs, SQLITE_OK is returned. If an error does occur, an ** SQLite error code is returned. The values of the output variables may not @@ -11117,9 +12049,23 @@ SQLITE_API int sqlite3changeset_apply_v2( ** Invert the changeset before applying it. This is equivalent to inverting ** a changeset using sqlite3changeset_invert() before applying it. It is ** an error to specify this flag with a patchset. +** +**
    SQLITE_CHANGESETAPPLY_IGNORENOOP
    +** Do not invoke the conflict handler callback for any changes that +** would not actually modify the database even if they were applied. +** Specifically, this means that the conflict handler is not invoked +** for: +**
      +**
    • a delete change if the row being deleted cannot be found, +**
    • an update change if the modified fields are already set to +** their new values in the conflicting row, or +**
    • an insert change if all fields of the conflicting row match +** the row being inserted. +**
    */ #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 +#define SQLITE_CHANGESETAPPLY_IGNORENOOP 0x0004 /* ** CAPI3REF: Constants Passed To The Conflict Handler @@ -11860,7 +12806,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -12089,8 +13035,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -12138,7 +13084,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -12147,7 +13093,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -12155,7 +13101,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); From 0a73404ae919b9e059bba28f99c9a43df6f4dd16 Mon Sep 17 00:00:00 2001 From: parsonsmatt Date: Tue, 3 Oct 2023 17:18:39 -0700 Subject: [PATCH 2/2] ok --- persistent-sqlite/ChangeLog.md | 2 ++ persistent-sqlite/Database/Sqlite.hs | 4 +++- persistent-sqlite/persistent-sqlite.cabal | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/persistent-sqlite/ChangeLog.md b/persistent-sqlite/ChangeLog.md index 6eaf254b4..f24aeeeb1 100644 --- a/persistent-sqlite/ChangeLog.md +++ b/persistent-sqlite/ChangeLog.md @@ -4,6 +4,8 @@ * [#1486](https://github.com/yesodweb/persistent/pull/1486) * Add Database.Sqlite.open' which takes a ByteString +* [#1522](https://github.com/yesodweb/persistent/pull/1522) + * Update the sqlite amalgamation to 3.43.1 ## 2.13.2.0 diff --git a/persistent-sqlite/Database/Sqlite.hs b/persistent-sqlite/Database/Sqlite.hs index a6a978284..6a9e2024c 100644 --- a/persistent-sqlite/Database/Sqlite.hs +++ b/persistent-sqlite/Database/Sqlite.hs @@ -241,7 +241,9 @@ openError path' = do open :: Text -> IO Connection open path = open' (encodeUtf8 path) --- @since 2.13.2.0 +-- | Like 'open', but accepts a 'ByteString' instead of a 'Text'. +-- +-- @since 2.13.3.0 open' :: BS.ByteString -> IO Connection open' path = do databaseOrError <- openError path diff --git a/persistent-sqlite/persistent-sqlite.cabal b/persistent-sqlite/persistent-sqlite.cabal index 4ec7f20b5..77d35d6c1 100644 --- a/persistent-sqlite/persistent-sqlite.cabal +++ b/persistent-sqlite/persistent-sqlite.cabal @@ -1,5 +1,5 @@ name: persistent-sqlite -version: 2.13.2.0 +version: 2.13.3.0 license: MIT license-file: LICENSE author: Michael Snoyman