diff --git a/src/sql/engine/sequence/ob_sequence_op.cpp b/src/sql/engine/sequence/ob_sequence_op.cpp
index dc4139702..78f21baa6 100644
--- a/src/sql/engine/sequence/ob_sequence_op.cpp
+++ b/src/sql/engine/sequence/ob_sequence_op.cpp
@@ -113,12 +113,13 @@ int ObLocalSequenceExecutor::init(ObExecContext &ctx)
 
 void ObLocalSequenceExecutor::reset()
 {
-
+  ObSequenceExecutor::reset();
 }
 
 void ObLocalSequenceExecutor::destroy()
 {
   sequence_cache_ = NULL;
+  ObSequenceExecutor::destroy();
 }
 
 int ObLocalSequenceExecutor::get_nextval(ObExecContext &ctx)
@@ -296,7 +297,7 @@ int ObRemoteSequenceExecutor::init_sequence_sql(ObExecContext &ctx)
 
 void ObRemoteSequenceExecutor::reset()
 {
-
+  ObSequenceExecutor::reset();
 }
 
 void ObRemoteSequenceExecutor::destroy()
@@ -316,6 +317,7 @@ void ObRemoteSequenceExecutor::destroy()
   }
   sessid_ = 0;
   dblink_conn_ = NULL;
+  ObSequenceExecutor::destroy();
 }
 
 int ObRemoteSequenceExecutor::rescan()