From 29a8c27dcb8f88674618befaf6aa9fece5348ba1 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 3 Sep 2020 18:37:47 +0800
Subject: [PATCH] [td-1308]

---
 src/query/src/qExecutor.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 9e71a7421a..d48d7d5ea1 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -2920,11 +2920,11 @@ int32_t mergeIntoGroupResultImpl(SQInfo *pQInfo, SArray *pGroup) {
     STableQueryInfo *item = taosArrayGetP(pGroup, i);
 
     SIDList list = getDataBufPagesIdList(pRuntimeEnv->pResultBuf, TSDB_TABLEID(item->pTable)->tid);
-    pageList = list;
-    tid = TSDB_TABLEID(item->pTable)->tid;
 
     if (taosArrayGetSize(list) > 0 && item->windowResInfo.size > 0) {
       pTableList[numOfTables++] = item;
+      tid = TSDB_TABLEID(item->pTable)->tid;
+      pageList = list;
     }
   }
 
-- 
GitLab