add debug assert

src/client/inc/tsclient.h

@@ -391,6 +391,7 @@ typedef struct SSqlObj {
   int32_t          retryReason;  // previous error code
   struct SSqlObj  *prev, *next;
   int64_t          self;
+  int32_t          rspReceived;
 } SSqlObj;
 
 typedef struct SSqlStream {

src/client/src/tscServer.c

@@ -2772,6 +2772,7 @@ int tscProcessQueryRsp(SSqlObj *pSql) {
   pRes->data = NULL;
 
   tscResetForNextRetrieve(pRes);
+  pSql->rspReceived = 1;
   tscDebug("0x%"PRIx64" query rsp received, qId:0x%"PRIx64, pSql->self, pRes->qId);
   return 0;
 }

src/client/src/tscSubquery.c

@@ -1716,7 +1716,7 @@ void tscFetchDatablockForSubquery(SSqlObj* pSql) {
     STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
     
     if (pRes1->row >= pRes1->numOfRows) {
-      assert(pSql1->cmd.msgType == TSDB_MSG_TYPE_FETCH);
+      assert(pSql1->rspReceived == 1);
       tscDebug("0x%"PRIx64" subquery:0x%"PRIx64" retrieve data from vnode, subquery:%d, vgroupIndex:%d", pSql->self, pSql1->self,
                pSupporter->subqueryIndex, pTableMetaInfo->vgroupIndex);