fix(query): remove assert check if return error

src/client/src/tscSubquery.c

@@ -3298,7 +3298,8 @@ void tscRetrieveDataRes(void *param, TAOS_RES *tres, int code) {
   // the param may be null, since it may be done by other query threads. and the asyncOnError may enter in this
   // function while kill query by a user.
   if (param == NULL) {
-    assert(code != TSDB_CODE_SUCCESS);
+    if(code != TSDB_CODE_SUCCESS)
+      tscError("tscRetrieveDataRes param is NULL, error code=%d", code);
     return;
   }