diff --git a/src/client/inc/tscSubquery.h b/src/client/inc/tscSubquery.h
index 9e16f3f900..99215551c3 100644
--- a/src/client/inc/tscSubquery.h
+++ b/src/client/inc/tscSubquery.h
@@ -54,6 +54,9 @@ void doCleanupSubqueries(SSqlObj *pSql, int32_t numOfSubs);
 
 void tscFreeRetrieveSupporters(SSqlObj *pSql);
 
+void tscFreeRetrieveSup(SSqlObj *pSql);
+
+
 
 #ifdef __cplusplus
 }
diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index 9ee735de45..56cee02f4d 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -2562,7 +2562,7 @@ int32_t tscHandleMasterSTableQuery(SSqlObj *pSql) {
   return TSDB_CODE_SUCCESS;
 }
 
-static void tscFreeRetrieveSup(SSqlObj *pSql) {
+void tscFreeRetrieveSup(SSqlObj *pSql) {
   SRetrieveSupport *trsupport = pSql->param;
 
   void* p = atomic_val_compare_exchange_ptr(&pSql->param, trsupport, 0);