diff --git a/src/sql/resolver/dml/ob_del_upd_resolver.cpp b/src/sql/resolver/dml/ob_del_upd_resolver.cpp
index 7e8bcfb00c..228fe29222 100644
--- a/src/sql/resolver/dml/ob_del_upd_resolver.cpp
+++ b/src/sql/resolver/dml/ob_del_upd_resolver.cpp
@@ -85,7 +85,8 @@ ObDelUpdResolver::ObDelUpdResolver(ObResolverParams &params)
   : ObDMLResolver(params),
     insert_column_ids_(),
     is_column_specify_(false),
-    is_oracle_tmp_table_(false)
+    is_oracle_tmp_table_(false),
+    oracle_tmp_table_type_(0)
 {
   // TODO Auto-generated constructor stub
 }
diff --git a/src/sql/session/ob_sql_session_info.cpp b/src/sql/session/ob_sql_session_info.cpp
index 3747351ff8..ae6d9f1733 100644
--- a/src/sql/session/ob_sql_session_info.cpp
+++ b/src/sql/session/ob_sql_session_info.cpp
@@ -181,6 +181,7 @@ ObSQLSessionInfo::ObSQLSessionInfo(const uint64_t tenant_id) :
       dblink_context_(this),
       sql_req_level_(0),
       expect_group_id_(OB_INVALID_ID),
+      group_id_not_expected_(false),
       gtt_session_scope_unique_id_(0),
       gtt_trans_scope_unique_id_(0)
 {