Merge branch 'main' into feature/pagination/integ

Signed-off-by: MaxKsyunz <[email protected]>

# Conflicts:
#	opensearch/src/main/java/org/opensearch/sql/opensearch/request/OpenSearchRequestBuilder.java
#	opensearch/src/test/java/org/opensearch/sql/opensearch/request/OpenSearchRequestBuilderTest.java

Author: MaxKsyunz

core/src/main/java/org/opensearch/sql/analysis/Analyzer.java

@@ -225,7 +225,6 @@ public LogicalPlan visitLimit(Limit node, AnalysisContext context) {
   public LogicalPlan visitFilter(Filter node, AnalysisContext context) {
     LogicalPlan child = node.getChild().get(0).accept(this, context);
     Expression condition = expressionAnalyzer.analyze(node.getCondition(), context);
-    verifySupportsCondition(condition);
 
     ExpressionReferenceOptimizer optimizer =
         new ExpressionReferenceOptimizer(expressionAnalyzer.getRepository(), child);
@@ -234,7 +233,7 @@ public LogicalPlan visitFilter(Filter node, AnalysisContext context) {
   }
 
   /**
-   * Ensure NESTED function is not used in WHERE, GROUP BY, and HAVING clauses.
+   * Ensure NESTED function is not used in GROUP BY, and HAVING clauses.
    * Fallback to legacy engine. Can remove when support is added for NESTED function in WHERE,
    * GROUP BY, ORDER BY, and HAVING clauses.
    * @param condition : Filter condition

core/src/test/java/org/opensearch/sql/analysis/AnalyzerTest.java

@@ -1048,29 +1048,6 @@ public void nested_group_by_clause_throws_syntax_exception() {
         exception.getMessage());
   }
 
-  /**
-   * Ensure Nested function falls back to legacy engine when used in WHERE clause.
-   * TODO Remove this test when support is added.
-   */
-  @Test
-  public void nested_where_clause_throws_syntax_exception() {
-    SyntaxCheckException exception = assertThrows(SyntaxCheckException.class,
-        () -> analyze(
-            AstDSL.filter(
-                AstDSL.relation("schema"),
-                AstDSL.equalTo(
-                    AstDSL.function("nested", qualifiedName("message", "info")),
-                    AstDSL.stringLiteral("str")
-                )
-            )
-        )
-    );
-    assertEquals("Falling back to legacy engine. Nested function is not supported in WHERE,"
-            + " GROUP BY, and HAVING clauses.",
-        exception.getMessage());
-  }
-
-
   /**
    * SELECT name, AVG(age) FROM test GROUP BY name.
    */

docs/dev/index.md

@@ -36,6 +36,7 @@
 + **SQL**
   + [Aggregate Window Function](sql-aggregate-window-function.md): aggregate window function support
   + [Nested Function In Select Clause](sql-nested-function-select-clause.md): Nested function support in sql select clause
+  + [Nested Function In Where Clause](sql-nested-function-where-clause.md): Nested function support in sql where clause
 + **Piped Processing Language**
 
 ### Query Processing