diff --git a/src/client/inc/tscSubquery.h b/src/client/inc/tscSubquery.h
index 9e16f3f900b5b7a233dfb906fd7e67fb25792def..99215551c30d5083d3d74eb28d6015f5799987ad 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 9ee735de45936818be455163c3fd6255f100ff4d..56cee02f4dece7cc1006b2b7735d2c744c0e47cb 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);