diff --git a/src/sql/optimizer/ob_optimizer_util.cpp b/src/sql/optimizer/ob_optimizer_util.cpp
index 46060f19ac..b7144c791c 100644
--- a/src/sql/optimizer/ob_optimizer_util.cpp
+++ b/src/sql/optimizer/ob_optimizer_util.cpp
@@ -5995,7 +5995,7 @@ int ObOptimizerUtil::gen_set_target_list(ObIAllocator *allocator,
       SelectItem &select_item = child_stmt->get_select_item(i);
       new_select_item.alias_name_ = select_item.alias_name_;
       new_select_item.expr_name_ = select_item.expr_name_;
-      new_select_item.is_real_alias_ = true;
+      new_select_item.is_real_alias_ = select_item.is_real_alias_ || select_item.expr_->is_column_ref_expr();
       new_select_item.questions_pos_ = select_item.questions_pos_;
       new_select_item.params_idx_ = select_item.params_idx_;
       new_select_item.neg_param_idx_ = select_item.neg_param_idx_;
@@ -6052,7 +6052,7 @@ int ObOptimizerUtil::gen_set_target_list(ObIAllocator *allocator,
         SelectItem &select_item = child_stmt->get_select_item(i);
         new_select_item.alias_name_ = select_item.alias_name_;
         new_select_item.expr_name_ = select_item.expr_name_;
-        new_select_item.is_real_alias_ = true;
+        new_select_item.is_real_alias_ = select_item.is_real_alias_ || select_item.expr_->is_column_ref_expr();
         new_select_item.questions_pos_ = select_item.questions_pos_;
         new_select_item.params_idx_ = select_item.params_idx_;
         new_select_item.neg_param_idx_ = select_item.neg_param_idx_;
diff --git a/src/sql/resolver/dml/ob_del_upd_resolver.cpp b/src/sql/resolver/dml/ob_del_upd_resolver.cpp
index a66d747982..b1e4f4d74f 100644
--- a/src/sql/resolver/dml/ob_del_upd_resolver.cpp
+++ b/src/sql/resolver/dml/ob_del_upd_resolver.cpp
@@ -3979,7 +3979,7 @@ int ObDelUpdResolver::add_select_list_for_set_stmt(ObSelectStmt &select_stmt)
       res_type.reset();
       new_select_item.alias_name_ = select_item.alias_name_;
       new_select_item.expr_name_ = select_item.expr_name_;
-      new_select_item.is_real_alias_ = true;
+      new_select_item.is_real_alias_ = select_item.is_real_alias_ || select_item.expr_->is_column_ref_expr();
       res_type = select_item.expr_->get_result_type();
       if (OB_FAIL(ObRawExprUtils::make_set_op_expr(*params_.expr_factory_, i, set_op_type, res_type,
                                                    session_info_, new_select_item.expr_))) {
diff --git a/src/sql/resolver/dml/ob_dml_resolver.cpp b/src/sql/resolver/dml/ob_dml_resolver.cpp
index 64a45986f1..c57062fca7 100755
--- a/src/sql/resolver/dml/ob_dml_resolver.cpp
+++ b/src/sql/resolver/dml/ob_dml_resolver.cpp
@@ -14380,14 +14380,17 @@ int ObDMLResolver::resolve_cte_table(
   const ParseNode *table_node = &parse_tree;
   const ParseNode *alias_node = nullptr;
   const ParseNode *transpose_node = nullptr;
+  const ParseNode *part_node = nullptr;
   ObString alias_name;
   ObString old_cte_table_name;
   //TODO 存在同一张表有两个hint的情况，目前实现先忽略后面的hint
   if (T_ORG == parse_tree.type_) {
     table_node = parse_tree.children_[0];
+    part_node = parse_tree.children_[2];
   } else if (T_ALIAS == parse_tree.type_) {
     table_node = parse_tree.children_[0];
     alias_node = parse_tree.children_[1];
+    part_node = parse_tree.children_[3];
     if (parse_tree.num_child_ >= 7) {
       transpose_node = parse_tree.children_[6];
     }
@@ -14405,6 +14408,9 @@ int ObDMLResolver::resolve_cte_table(
         LOG_WARN("param is null");
       } else if (OB_ISNULL(node = CTE_table_item->node_)) {
         LOG_WARN("CTE table's parser node can not be NULL");
+      } else if (is_oracle_mode() && OB_NOT_NULL(part_node)) {
+        ret = OB_ERR_PARTITION_EXTENDED_ON_VIEW;
+        LOG_WARN("partition extended only be used with tables and editioning views", K(ret));
       } else if (OB_ISNULL(table_item = dml_stmt->create_table_item(*allocator_))) {
         ret = OB_ALLOCATE_MEMORY_FAILED;
         LOG_ERROR("create table item failed", K(ret));
diff --git a/src/sql/resolver/dml/ob_select_stmt.cpp b/src/sql/resolver/dml/ob_select_stmt.cpp
index 283e22bc25..e999578597 100644
--- a/src/sql/resolver/dml/ob_select_stmt.cpp
+++ b/src/sql/resolver/dml/ob_select_stmt.cpp
@@ -344,7 +344,7 @@ int ObSelectStmt::create_select_list_for_set_stmt(ObRawExprFactory &expr_factory
       res_type.reset();
       new_select_item.alias_name_ = child_select_item.alias_name_;
       new_select_item.expr_name_ = child_select_item.expr_name_;
-      new_select_item.is_real_alias_ = true;
+      new_select_item.is_real_alias_ = child_select_item.is_real_alias_ || child_select_item.expr_->is_column_ref_expr();
       res_type = child_select_item.expr_->get_result_type();
       if (OB_FAIL(ObRawExprUtils::make_set_op_expr(expr_factory, i, set_op_type, res_type,
                                                    NULL, new_select_item.expr_))) {