[td-225] fix bugs in non-blocking processing.

src/dnode/src/dnodeVRead.c

@@ -210,7 +210,7 @@ static void *dnodeProcessReadQueue(void *param) {
       dnodeSendRpcReadRsp(pVnode, pReadMsg, code);
     } else {
       if (code == TSDB_CODE_QRY_HAS_RSP) {
-        dnodeSendRpcReadRsp(pVnode, pReadMsg, code);
+        dnodeSendRpcReadRsp(pVnode, pReadMsg, TSDB_CODE_SUCCESS);
       } else {
         dnodeDispatchNonRspMsg(pVnode, pReadMsg, code);
       }

src/query/src/qExecutor.c

@@ -6352,8 +6352,6 @@ bool qTableQuery(qinfo_t qinfo) {
            pQInfo, pQuery->rec.rows, pQuery->rec.total + pQuery->rec.rows);
   }
 
-  taosMsleep(1000);
-
 //  pQInfo->dataReady = QUERY_RESULT_READY;
   bool buildRes = false;
   pthread_mutex_lock(&pQInfo->lock);