diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index ad8d4d72d0..2cd37013c5 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -198,6 +198,7 @@ void tscCreateLocalReducer(tExtMemBuffer **pMemBuffer, int32_t numOfBuffer, tOrd
 
   if (numOfFlush == 0 || numOfBuffer == 0) {
     tscLocalReducerEnvDestroy(pMemBuffer, pDesc, finalmodel, pFFModel, numOfBuffer);
+    pCmd->command = TSDB_SQL_RETRIEVE_EMPTY_RESULT; // no result, set the result empty
     tscDebug("%p retrieved no data", pSql);
     return;
   }