v14_comments.no-cfbot

diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c
index 6b4b00eb..fb199230 100644
--- a/src/backend/parser/parse_expr.c
+++ b/src/backend/parser/parse_expr.c
@@ -202,6 +202,7 @@ transformBoolExprOr(ParseState *pstate, BoolExpr *expr)
 		OrClauseGroupKey		hashkey;
 		bool					found;
 		Oid						opno;
+		TYPCATEGORY 			category;
 		Node				   *leftop, *rightop;
 
 		/* At first, transform the arg and evaluate constant expressions. */
@@ -243,7 +244,7 @@ transformBoolExprOr(ParseState *pstate, BoolExpr *expr)
 
 			if (!OidIsValid(opno))
 			{
-				/* Commuter doesn't exist, we can't reverse the order */
+				/* commutator doesn't exist, we can't reverse the order */
 				or_list = lappend(or_list, orqual);
 				continue;
 			}
@@ -262,6 +263,33 @@ transformBoolExprOr(ParseState *pstate, BoolExpr *expr)
 			continue;
 		}
 
+		/* transformation only works with both side type is not { array | compoiste | domain } */
+		category = TypeCategory(exprType(const_expr));
+		if (category == TYPCATEGORY_ARRAY || category == TYPTYPE_DOMAIN
+			|| category == TYPTYPE_COMPOSITE)
+		{
+			or_list = lappend(or_list, orqual);
+			continue;
+		}
+
+		category = TypeCategory(exprType(nconst_expr));
+		if (category == TYPCATEGORY_ARRAY || category == TYPTYPE_DOMAIN
+			|| category == TYPTYPE_COMPOSITE)
+		{
+			or_list = lappend(or_list, orqual);
+			continue;
+		}
+
+		/*
+		 * if the non-const (left side of operator expression) contain voltain functions
+		 * then we cannot do the transformation
+		*/
+		if (contain_volatile_functions((Node *) nconst_expr))
+		{
+			or_list = lappend(or_list, orqual);
+			continue;
+		}
+
 		/*
 		* At this point we definitely have a transformable clause.
 		* Classify it and add into specific group of clauses, or create new
@@ -333,7 +361,7 @@ transformBoolExprOr(ParseState *pstate, BoolExpr *expr)
 		else
 			array_type = InvalidOid;
 
-		if (array_type != InvalidOid)
+		if (OidIsValid(array_type))
 		{
 			/*
 			 * OK: coerce all the right-hand non-Var inputs to the common
@@ -392,8 +420,10 @@ transformBoolExprOr(ParseState *pstate, BoolExpr *expr)
 		else
 		{
 			/*
-			 * This part works on intarray test (OR there is made on
-			 * elements of a custom type)
+			 * If the const node (right side of operator expression) 's type
+			 *  don't have “true” array type, then we cannnot do the transformation.
+			 * We simply concatenate the expression node.
+			 *
 			 */
 			list_free(entry->consts);
 			or_list = list_concat(or_list, entry->exprs);