diff --git a/src/sql/engine/expr/ob_expr_locate.cpp b/src/sql/engine/expr/ob_expr_locate.cpp
index 9f80c6486f..26c576029f 100644
--- a/src/sql/engine/expr/ob_expr_locate.cpp
+++ b/src/sql/engine/expr/ob_expr_locate.cpp
@@ -26,7 +26,7 @@ namespace sql
 {
 
 ObExprLocate::ObExprLocate(ObIAllocator &alloc)
-    : ObLocationExprOperator(alloc, T_FUN_SYS_LOCATE, N_LOCATE, TWO_OR_THREE, NOT_VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION) {}
+    : ObLocationExprOperator(alloc, T_FUN_SYS_LOCATE, N_LOCATE, TWO_OR_THREE, NOT_ROW_DIMENSION) {}
 
 ObExprLocate::~ObExprLocate()
 {
diff --git a/src/sql/engine/expr/ob_expr_operator.h b/src/sql/engine/expr/ob_expr_operator.h
index 444aa02b6f..43da50983b 100644
--- a/src/sql/engine/expr/ob_expr_operator.h
+++ b/src/sql/engine/expr/ob_expr_operator.h
@@ -981,7 +981,7 @@ class ObFuncExprOperator : public ObExprOperator
 public:
     ObFuncExprOperator(common::ObIAllocator &alloc, ObExprOperatorType type, const char *name, int32_t param_num, ObValidForGeneratedColFlag valid_for_generated_col, int32_t dimension,
                        bool is_internal_for_mysql = false, bool is_internal_for_oracle = false)
-      : ObExprOperator(alloc, type, name, param_num, valid_for_generated_col, dimension, is_internal_for_oracle)
+      : ObExprOperator(alloc, type, name, param_num, valid_for_generated_col, dimension, is_internal_for_mysql, is_internal_for_oracle)
   {};
 
   virtual ~ObFuncExprOperator() {};
diff --git a/src/sql/engine/expr/ob_expr_st_geomfromwkb.cpp b/src/sql/engine/expr/ob_expr_st_geomfromwkb.cpp
index 8ae93ca05b..5201914579 100644
--- a/src/sql/engine/expr/ob_expr_st_geomfromwkb.cpp
+++ b/src/sql/engine/expr/ob_expr_st_geomfromwkb.cpp
@@ -31,7 +31,7 @@ namespace sql
 
 ObIExprSTGeomFromWKB::ObIExprSTGeomFromWKB(common::ObIAllocator &alloc, ObExprOperatorType type,
                                            const char *name, int32_t param_num, ObValidForGeneratedColFlag valid_for_generated_col, int32_t dimension)
-  : ObFuncExprOperator(alloc, type, name, param_num, valid_for_generated_col, NOT_VALID_FOR_GENERATED_COL, dimension)
+  : ObFuncExprOperator(alloc, type, name, param_num, valid_for_generated_col, dimension)
 {
 }
 
diff --git a/src/sql/rewrite/ob_transform_predicate_move_around.cpp b/src/sql/rewrite/ob_transform_predicate_move_around.cpp
index 7deb57295f..fb581b98cd 100644
--- a/src/sql/rewrite/ob_transform_predicate_move_around.cpp
+++ b/src/sql/rewrite/ob_transform_predicate_move_around.cpp
@@ -2029,7 +2029,7 @@ int ObTransformPredicateMoveAround::pushdown_through_groupby(
                  generalized_columns, stmt.get_group_exprs())) {
       // do nothing
       OPT_TRACE(pred, "has none group by expr, can not pushdown");
-    } else if (is_mysql_mode() && ObOptimizerUtil::overlap_exprs(
+    } else if (ObOptimizerUtil::overlap_exprs(
                  generalized_columns, stmt.get_rollup_exprs())) {
       //do nothing
       OPT_TRACE(pred, "has rollup expr in mysql mode, can not pushdown");
diff --git a/src/sql/rewrite/ob_transform_simplify_orderby.cpp b/src/sql/rewrite/ob_transform_simplify_orderby.cpp
index 78526d0e2a..9ad47f6ea4 100644
--- a/src/sql/rewrite/ob_transform_simplify_orderby.cpp
+++ b/src/sql/rewrite/ob_transform_simplify_orderby.cpp
@@ -130,7 +130,8 @@ int ObTransformSimplifyOrderby::remove_order_by_for_view_stmt(ObDMLStmt *stmt, b
       if (OB_ISNULL(aggr_items.at(i))) {
         ret = OB_ERR_UNEXPECTED;
         LOG_WARN("unexpected null", K(ret), K(aggr_items));
-      } else if (T_FUN_WM_CONCAT == aggr_items.at(i)->get_expr_type()) {
+      } else if (T_FUN_WM_CONCAT == aggr_items.at(i)->get_expr_type()
+                || T_FUN_GROUP_CONCAT == aggr_items.at(i)->get_expr_type()) {
         can_remove = false;
       }
     }