From 678cc06fbb968494d7e7c09cb21a422f1ad90759 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 6 Jun 2021 16:09:58 +0800
Subject: [PATCH] [td-4546]<fix>: fix bug in taos_fetch_block while nest query
 existed.

---
 src/client/src/tscUtil.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 46d49bf68d..280d2aa630 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -3463,13 +3463,12 @@ static void tscSubqueryRetrieveCallback(void* param, TAOS_RES* tres, int code) {
   }
 
   pParentSql->cmd.active = pParentSql->cmd.pQueryInfo;
-
-  SSchedMsg schedMsg = {0};
-  schedMsg.fp = doRetrieveSubqueryData;
-  schedMsg.ahandle = (void *)pParentSql;
-  schedMsg.thandle = (void *)1;
-  schedMsg.msg = 0;
-  taosScheduleTask(tscQhandle, &schedMsg);
+  pParentSql->res.qId = -1;
+  if (pSql->res.code == TSDB_CODE_SUCCESS) {
+    (*pSql->fp)(pParentSql->param, pParentSql, pParentSql->res.numOfRows);
+  } else {
+    tscAsyncResultOnError(pParentSql);
+  }
 }
 
 // todo handle the failure