diff --git a/incubator/binding-pgsql-kafka.spec/src/main/scripts/io/aklivity/zilla/specs/binding/pgsql/kafka/config/proxy.yaml b/incubator/binding-pgsql-kafka.spec/src/main/scripts/io/aklivity/zilla/specs/binding/pgsql/kafka/config/proxy.yaml
index d4584a4b94..ed7e7b8a13 100644
--- a/incubator/binding-pgsql-kafka.spec/src/main/scripts/io/aklivity/zilla/specs/binding/pgsql/kafka/config/proxy.yaml
+++ b/incubator/binding-pgsql-kafka.spec/src/main/scripts/io/aklivity/zilla/specs/binding/pgsql/kafka/config/proxy.yaml
@@ -24,7 +24,7 @@ catalogs:
       schema: |-
         {
         "schemaType": "AVRO",
-        "schema": "{\"type\": \"record\", \"name\": \"cities\", \"namespace\": \"dev\", \"fields\": [ {\"name\": \"city\", \"type\": \"string\"}, {\"name\": \"id\", \"type\": \"string\"}]}"
+        "schema": "{\"type\": \"record\", \"name\": \"cities\", \"namespace\": \"dev\", \"fields\": [ {\"name\": \"id\", \"type\": \"string\"}, {\"name\": \"city\", \"type\": \"string\"}]}"
         }
 bindings:
   app0:
diff --git a/incubator/binding-pgsql-kafka/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/kafka/internal/stream/PgsqlKafkaProxyFactory.java b/incubator/binding-pgsql-kafka/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/kafka/internal/stream/PgsqlKafkaProxyFactory.java
index f01fdf3530..afd2658690 100644
--- a/incubator/binding-pgsql-kafka/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/kafka/internal/stream/PgsqlKafkaProxyFactory.java
+++ b/incubator/binding-pgsql-kafka/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/kafka/internal/stream/PgsqlKafkaProxyFactory.java
@@ -1364,7 +1364,7 @@ private void decodeDropTopicCommand(
         }
         else if (server.commandsProcessed == 0)
         {
-            Set<String> drops = parser.parseDrop(statement);
+            List<String> drops = parser.parseDrop(statement);
             drops.stream().findFirst().ifPresent(d ->
             {
                 final PgsqlKafkaBindingConfig binding = server.binding;
diff --git a/incubator/binding-pgsql/src/main/antlr4/io/aklivity/zilla/runtime/binding/pgsql/parser/PostgreSqlParser.g4 b/incubator/binding-pgsql/src/main/antlr4/io/aklivity/zilla/runtime/binding/pgsql/parser/PostgreSqlParser.g4
index 99534e2007..267617c5ff 100644
--- a/incubator/binding-pgsql/src/main/antlr4/io/aklivity/zilla/runtime/binding/pgsql/parser/PostgreSqlParser.g4
+++ b/incubator/binding-pgsql/src/main/antlr4/io/aklivity/zilla/runtime/binding/pgsql/parser/PostgreSqlParser.g4
@@ -656,7 +656,7 @@ copy_generic_opt_arg_list_item
     ;
 
 createstreamstmt
-    : CREATE STREAM stream_name OPEN_PAREN stream_columns CLOSE_PAREN opt_with_stream
+    : CREATE STREAM (IF_P NOT EXISTS)? stream_name OPEN_PAREN stream_columns CLOSE_PAREN opt_with_stream
     ;
 
 stream_name
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParser.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParser.java
index 1c7b703090..8a6a60ca29 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParser.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParser.java
@@ -14,7 +14,7 @@
  */
 package io.aklivity.zilla.runtime.binding.pgsql.parser;
 
-import java.util.Set;
+import java.util.List;
 
 import org.antlr.v4.runtime.BailErrorStrategy;
 import org.antlr.v4.runtime.CharStream;
@@ -98,7 +98,7 @@ public ViewInfo parseCreateMaterializedView(
         return createMaterializedViewListener.viewInfo();
     }
 
-    public Set<String> parseDrop(
+    public List<String> parseDrop(
         String sql)
     {
         parser(sql, dropListener);
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateFunctionListener.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateFunctionListener.java
index 56f5e5dd7f..878a77f9fb 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateFunctionListener.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateFunctionListener.java
@@ -24,8 +24,9 @@
 
 public class SqlCreateFunctionListener extends PostgreSqlParserBaseListener
 {
-    private String name;
     private final List<FunctionArgument> arguments = new ArrayList<>();
+
+    private String name;
     private String returnType;
     private String asFunction;
     private String language;
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateStreamListener.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateStreamListener.java
index cb922d14f7..f0dd2306a3 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateStreamListener.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateStreamListener.java
@@ -14,10 +14,9 @@
  */
 package io.aklivity.zilla.runtime.binding.pgsql.parser.listener;
 
+import java.util.LinkedHashMap;
 import java.util.Map;
 
-import org.agrona.collections.Object2ObjectHashMap;
-
 import io.aklivity.zilla.runtime.binding.pgsql.parser.PostgreSqlParser;
 import io.aklivity.zilla.runtime.binding.pgsql.parser.PostgreSqlParserBaseListener;
 import io.aklivity.zilla.runtime.binding.pgsql.parser.module.StreamInfo;
@@ -25,7 +24,7 @@
 public class SqlCreateStreamListener extends PostgreSqlParserBaseListener
 {
     private String name;
-    private final Map<String, String> columns = new Object2ObjectHashMap<>();
+    private final Map<String, String> columns = new LinkedHashMap<>();
 
     public StreamInfo streamInfo()
     {
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateTableTopicListener.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateTableTopicListener.java
index 56a2cf597f..7fbc3cd6b7 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateTableTopicListener.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlCreateTableTopicListener.java
@@ -14,10 +14,10 @@
  */
 package io.aklivity.zilla.runtime.binding.pgsql.parser.listener;
 
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 
-import org.agrona.collections.Object2ObjectHashMap;
 import org.agrona.collections.ObjectHashSet;
 
 import io.aklivity.zilla.runtime.binding.pgsql.parser.PostgreSqlParser;
@@ -27,7 +27,7 @@
 public class SqlCreateTableTopicListener extends PostgreSqlParserBaseListener
 {
     private String name;
-    private final Map<String, String> columns = new Object2ObjectHashMap<>();
+    private final Map<String, String> columns = new LinkedHashMap<>();
     private final Set<String> primaryKeys = new ObjectHashSet<>();
 
     public TableInfo tableInfo()
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlDropListener.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlDropListener.java
index ca079d0323..d4fc4b31b1 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlDropListener.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/listener/SqlDropListener.java
@@ -14,18 +14,17 @@
  */
 package io.aklivity.zilla.runtime.binding.pgsql.parser.listener;
 
-import java.util.Set;
-
-import org.agrona.collections.ObjectHashSet;
+import java.util.ArrayList;
+import java.util.List;
 
 import io.aklivity.zilla.runtime.binding.pgsql.parser.PostgreSqlParser;
 import io.aklivity.zilla.runtime.binding.pgsql.parser.PostgreSqlParserBaseListener;
 
 public class SqlDropListener extends PostgreSqlParserBaseListener
 {
-    private final Set<String> drops = new ObjectHashSet<>();
+    private final List<String> drops = new ArrayList<>();
 
-    public Set<String> drops()
+    public List<String> drops()
     {
         return drops;
     }
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/FunctionArgument.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/FunctionArgument.java
index d9e140e804..7196c49f5a 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/FunctionArgument.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/FunctionArgument.java
@@ -1,3 +1,17 @@
+/*
+ * Copyright 2021-2023 Aklivity Inc
+ *
+ * Licensed under the Aklivity Community License (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ *   https://www.aklivity.io/aklivity-community-license/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package io.aklivity.zilla.runtime.binding.pgsql.parser.module;
 
 public record FunctionArgument(
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/StreamInfo.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/StreamInfo.java
index 5c8db5dc69..5a2880ea68 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/StreamInfo.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/StreamInfo.java
@@ -17,7 +17,7 @@
 import java.util.Map;
 
 public record StreamInfo(
-        String name,
-        Map<String, String> columns)
+    String name,
+    Map<String, String> columns)
 {
 }
diff --git a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/TableInfo.java b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/TableInfo.java
index 6244ae7534..8b0067d5b1 100644
--- a/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/TableInfo.java
+++ b/incubator/binding-pgsql/src/main/java/io/aklivity/zilla/runtime/binding/pgsql/parser/module/TableInfo.java
@@ -18,8 +18,8 @@
 import java.util.Set;
 
 public record TableInfo(
-        String name,
-        Map<String, String> columns,
-        Set<String> primaryKeys)
+    String name,
+    Map<String, String> columns,
+    Set<String> primaryKeys)
 {
 }
diff --git a/incubator/binding-pgsql/src/test/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParserTest.java b/incubator/binding-pgsql/src/test/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParserTest.java
index d25bea9fb2..f069fc8d9b 100644
--- a/incubator/binding-pgsql/src/test/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParserTest.java
+++ b/incubator/binding-pgsql/src/test/java/io/aklivity/zilla/runtime/binding/pgsql/parser/PgsqlParserTest.java
@@ -18,12 +18,14 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
-import java.util.Set;
+import java.util.List;
 
 import org.antlr.v4.runtime.misc.ParseCancellationException;
 import org.junit.Before;
 import org.junit.Test;
 
+import io.aklivity.zilla.runtime.binding.pgsql.parser.module.FunctionInfo;
+import io.aklivity.zilla.runtime.binding.pgsql.parser.module.StreamInfo;
 import io.aklivity.zilla.runtime.binding.pgsql.parser.module.TableInfo;
 import io.aklivity.zilla.runtime.binding.pgsql.parser.module.ViewInfo;
 
@@ -154,7 +156,7 @@ public void shouldHandleInvalidCreateTable()
     public void shouldParseDropSingleTable()
     {
         String sql = "DROP TABLE test_table;";
-        Set<String> drops = parser.parseDrop(sql);
+        List<String> drops = parser.parseDrop(sql);
         assertEquals(1, drops.size());
         assertTrue(drops.contains("test_table"));
     }
@@ -163,7 +165,7 @@ public void shouldParseDropSingleTable()
     public void shouldParseDropMultipleTables()
     {
         String sql = "DROP TABLE table1, table2;";
-        Set<String> drops = parser.parseDrop(sql);
+        List<String> drops = parser.parseDrop(sql);
         assertEquals(2, drops.size());
         assertTrue(drops.contains("table1"));
         assertTrue(drops.contains("table2"));
@@ -173,7 +175,7 @@ public void shouldParseDropMultipleTables()
     public void shouldHandleEmptyDropStatement()
     {
         String sql = "DROP TABLE;";
-        Set<String> drops = parser.parseDrop(sql);
+        List<String> drops = parser.parseDrop(sql);
         assertEquals(0, drops.size());
     }
 
@@ -181,7 +183,7 @@ public void shouldHandleEmptyDropStatement()
     public void shouldParseDropView()
     {
         String sql = "DROP VIEW test_view;";
-        Set<String> drops = parser.parseDrop(sql);
+        List<String> drops = parser.parseDrop(sql);
         assertEquals(1, drops.size());
         assertTrue(drops.contains("test_view"));
     }
@@ -190,9 +192,57 @@ public void shouldParseDropView()
     public void shouldParseDropMaterializedView()
     {
         String sql = "DROP MATERIALIZED VIEW test_materialized_view;";
-        Set<String> drops = parser.parseDrop(sql);
+        List<String> drops = parser.parseDrop(sql);
         assertEquals(1, drops.size());
         assertTrue(drops.contains("test_materialized_view"));
     }
 
+    @Test
+    public void shouldParseCreateStream()
+    {
+        String sql = "CREATE STREAM test_stream (id INT, name VARCHAR(100));";
+        StreamInfo streamInfo = parser.parseCreateStream(sql);
+        assertNotNull(streamInfo);
+        assertEquals("test_stream", streamInfo.name());
+        assertEquals(2, streamInfo.columns().size());
+        assertEquals("INT", streamInfo.columns().get("id"));
+        assertEquals("VARCHAR(100)", streamInfo.columns().get("name"));
+    }
+
+    @Test
+    public void shouldParseCreateStreamIfNotExists()
+    {
+        String sql = "CREATE STREAM IF NOT EXISTS test_stream (id INT, name VARCHAR(100));";
+        StreamInfo streamInfo = parser.parseCreateStream(sql);
+        assertNotNull(streamInfo);
+        assertEquals("test_stream", streamInfo.name());
+        assertEquals(2, streamInfo.columns().size());
+        assertEquals("INT", streamInfo.columns().get("id"));
+        assertEquals("VARCHAR(100)", streamInfo.columns().get("name"));
+    }
+
+    @Test(expected = ParseCancellationException.class)
+    public void shouldHandleInvalidCreateStream()
+    {
+        String sql = "CREATE STREAM test_stream";
+        parser.parseCreateStream(sql);
+    }
+
+    @Test
+    public void shouldParseCreateFunction()
+    {
+        String sql = "CREATE FUNCTION test_function() RETURNS INT AS $$ BEGIN RETURN 1; END $$ LANGUAGE plpgsql;";
+        FunctionInfo functionInfo = parser.parseCreateFunction(sql);
+        assertNotNull(functionInfo);
+        assertEquals("test_function", functionInfo.name());
+        assertEquals("INT", functionInfo.returnType());
+    }
+
+    @Test(expected = ParseCancellationException.class)
+    public void shouldHandleInvalidCreateFunction()
+    {
+        String sql = "CREATE FUNCTION test_function()";
+        parser.parseCreateFunction(sql);
+    }
+
 }
diff --git a/incubator/binding-risingwave/NOTICE b/incubator/binding-risingwave/NOTICE
index c6b7d9c015..9024d8926d 100644
--- a/incubator/binding-risingwave/NOTICE
+++ b/incubator/binding-risingwave/NOTICE
@@ -10,5 +10,4 @@ WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations under the License.
 
 This project includes:
-  JSQLParser library under GNU Library or Lesser General Public License (LGPL) V2.1 or The Apache Software License, Version 2.0