diff --git a/.gitignore b/.gitignore
index 40124258da024beadfffd6e0fb8517c2d31804c9..478347bc48f8b113751bf1600677c4bc8e7893f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,3 +84,4 @@ deps/3rd
 compile_commands.json
 test/tmp
 test/var
+*.ccls-cache/
diff --git a/src/sql/privilege_check/ob_privilege_check.cpp b/src/sql/privilege_check/ob_privilege_check.cpp
index 827a91032770e763a154f56518c31b3ddafaff66..94190e62f819d87bafbd79f9ec210868dbcc3d39 100644
--- a/src/sql/privilege_check/ob_privilege_check.cpp
+++ b/src/sql/privilege_check/ob_privilege_check.cpp
@@ -425,14 +425,14 @@ int get_merge_stmt_ora_need_privs(uint64_t user_id, const ObSqlCtx& ctx, const O
   OX(source_table = merge_stmt->get_table_item_by_id(merge_stmt->get_source_table_id()));
   CK(target_table != NULL && source_table != NULL);
   /* first add target table */
-  if (TableItem::BASE_TABLE == target_table->type_ || TableItem::ALIAS_TABLE == target_table->type_ ||
-      target_table->is_view_table_) {
+  if (OB_SUCC(ret) && (TableItem::BASE_TABLE == target_table->type_ || TableItem::ALIAS_TABLE == target_table->type_ ||
+      target_table->is_view_table_)) {
     OZ(set_privs_by_table_item_recursively(user_id, ctx, target_table, packed_privs, need_privs, check_flag));
   }
   /* then add source table */
   OZ(ObPrivPacker::pack_raw_obj_priv(NO_OPTION, OBJ_PRIV_ID_SELECT, packed_privs));
-  if (TableItem::BASE_TABLE == source_table->type_ || TableItem::ALIAS_TABLE == source_table->type_ ||
-      source_table->is_view_table_) {
+  if (OB_SUCC(ret) && (TableItem::BASE_TABLE == source_table->type_ || TableItem::ALIAS_TABLE == source_table->type_ ||
+      source_table->is_view_table_)) {
     OZ(set_privs_by_table_item_recursively(user_id, ctx, source_table, packed_privs, need_privs, check_flag));
   }
   return ret;
diff --git a/src/sql/resolver/dcl/ob_grant_stmt.h b/src/sql/resolver/dcl/ob_grant_stmt.h
index 1f821b4857d494de8427fdf87ce7702755ad9537..a47ce4cd6d40369b7ee30f714ae67b28df0d4f31 100644
--- a/src/sql/resolver/dcl/ob_grant_stmt.h
+++ b/src/sql/resolver/dcl/ob_grant_stmt.h
@@ -114,15 +114,15 @@ public:
   {
     object_id_ = object_id;
   }
-  int set_ins_col_ids(ObSEArray<uint64_t, 4> col_ids)
+  int set_ins_col_ids(ObSEArray<uint64_t, 4> &col_ids)
   {
     return ins_col_ids_.assign(col_ids);
   }
-  int set_upd_col_ids(ObSEArray<uint64_t, 4> col_ids)
+  int set_upd_col_ids(ObSEArray<uint64_t, 4> &col_ids)
   {
     return upd_col_ids_.assign(col_ids);
   }
-  int set_ref_col_ids(ObSEArray<uint64_t, 4> col_ids)
+  int set_ref_col_ids(ObSEArray<uint64_t, 4> &col_ids)
   {
     return ref_col_ids_.assign(col_ids);
   }