TD-12506 merge 3.0

3813df6c · Xiaoyu Wang · b98c6f7e · 3813df6c
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source/client/src/clientImpl.c source/client/src/clientImpl.c +1 -1

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--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -240,7 +240,7 @@ TAOS_RES *taos_query_l(TAOS *taos, const char *sql, int sqlLen) {
 _return:
  qDestoryQuery(pQuery);
  qDestroyQueryDag(pDag);
-  if (NULL != pRequest) {
+  if (NULL != pRequest && TSDB_CODE_SUCCESS != terrno) {
    pRequest->code = terrno;
  }
  return pRequest;