Type-safe filter predicates (#15)

* Initial work on type-safe filter predicates

* Save filter progress #1

* Support overriding typeTag derivers

* Fix compilation errors for scala 2.13 and 3

* Filter.not, trying to fix codec tests for offset date times

* Add in/notIn Filter operators

* Fix logical predicate types

* Fix ExprSpec cross-compilation

* Add test case for Expr path & optional TypeTag

* Add "compile summoned" TypeTag test case

* Support for all primitive types

* Add simple test for all primitive types

* Deduplicate scala 2.13 and 3 test Fixtures

* Implement TypeTag enum deriver

* Support option fields (WIP)

* Support option fields - nullable column syntax

* Add compileImpl (scala 2) to emit compile time error when an optional column is being used in a filter predicate

* WIP - working on macro to validate path construction

* WIP - make concat macro work in scala 2

* Finish polishing concatImpl for scala 2.13

* Refactor test case for primitive types

* Disable concat macro for scala 2.12

* Add compileImpl macro for Scala 3

* Fix compileImpl macro for Scala 3

* Add fmtAll command alias

* Fix compileImpl macro for Scala 2

* Fix compileImpl macro for Scala 3 again

* Get rid of Java 8

* Add concatImpl macro for Scala 3

* Regenerate ci workflow

* Reworking compileImpl macro (WIP)

* Give up on idea to compile predicate at compile time, sanitizing optionals is enough

* fmtAll

* regenerate ci.yaml

* Improve testing of predicate in IO spec

* Improve Filter.not syntax

* Refactor .predicate macro methods

* Update docs

* clean up some commented code

---------

Co-authored-by: Michael Nedokushev <[email protected]>

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.19, 2.13.14, 3.5.0]
+        scala: [2.13.14, 3.5.0]
         java: [temurin@11, temurin@17]
     runs-on: ${{ matrix.os }}
     steps:

.gitignore

@@ -10,3 +10,4 @@ private/
 .metals/
 .vscode/
 metals.sbt
+.scala-build

.scalafmt.conf

@@ -11,5 +11,5 @@ spaces {
   inImportCurlyBraces = true
 }
 optIn.annotationNewlines = true
-runner.dialect = scala213
+runner.dialect = scala3
 rewrite.rules = [SortImports, RedundantBraces]