[td-98] fix empty rsp cause submit failure

[td-98] fix empty rsp cause submit failure

src/client/src/tscAsync.c

@@ -45,9 +45,10 @@ void doAsyncQuery(STscObj* pObj, SSqlObj* pSql, void (*fp)(), void* param, const
   SSqlRes *pRes = &pSql->res;
   
   pSql->signature = pSql;
+  pSql->param = param;
   pSql->pTscObj = pObj;
+  pSql->maxRetry = TSDB_VNODES_SUPPORT;
   pSql->fp = fp;
-  pSql->param = param;
   
   if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, TSDB_DEFAULT_PAYLOAD_SIZE)) {
     tscError("failed to malloc payload");

src/client/src/tscServer.c

@@ -269,8 +269,7 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg) {
         return;
       } else {
         tscWarn("%p it shall renew table meta, code:%s, retry:%d", pSql, tstrerror(rpcMsg->code), ++pSql->retry);
-
-        pSql->maxRetry = TSDB_VNODES_SUPPORT * 2;  // todo move away
+        
         pSql->res.code = rpcMsg->code;  // keep the previous error code
         if (pSql->retry > pSql->maxRetry) {
           tscError("%p max retry %d reached, give up", pSql, pSql->maxRetry);
@@ -327,7 +326,7 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg) {
      * There is not response callback function for submit response.
      * The actual inserted number of points is the first number.
      */
-    if (rpcMsg->msgType == TSDB_MSG_TYPE_SUBMIT_RSP) {
+    if (rpcMsg->msgType == TSDB_MSG_TYPE_SUBMIT_RSP && pRes->pRsp != NULL) {
       SShellSubmitRspMsg *pMsg = (SShellSubmitRspMsg*)pRes->pRsp;
       pMsg->code = htonl(pMsg->code);
       pMsg->numOfRows = htonl(pMsg->numOfRows);

src/client/src/tscSql.c

@@ -129,6 +129,8 @@ STscObj *taosConnectImpl(const char *ip, const char *user, const char *pass, con
 
   pSql->pTscObj = pObj;
   pSql->signature = pSql;
+  pSql->maxRetry = TSDB_VNODES_SUPPORT;
+  
   tsem_init(&pSql->rspSem, 0, 0);
   
   pObj->pSql = pSql;