From a9583d82cd1ede00b01476b2b45a5738d1ed50a4 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 16 Dec 2020 15:10:01 +0800
Subject: [PATCH] [TD-2460]<fix>: join query failed through REST API.

---
 src/client/src/tscSubquery.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index ab9af69577..50d9a3a562 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -2505,8 +2505,11 @@ void tscBuildResFromSubqueries(SSqlObj *pSql) {
     assert (pRes->row >= pRes->numOfRows);
 
     doBuildResFromSubqueries(pSql);
-    tsem_post(&pSql->rspSem);
-    return;
+    if (pRes->code == TSDB_CODE_SUCCESS) {
+      (*pSql->fp)(pSql->param, pSql, pRes->numOfRows);
+    } else {
+      tscQueueAsyncRes(pSql);
+    }
   }
 }