From 079cd0e010fa8ed0410ddb63b3b9246fdd7e2760 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 17 Sep 2020 21:46:28 +0800
Subject: [PATCH] [td-225] fix a memory leak in query.

---
 src/tsdb/src/tsdbRead.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index b18f45fca6..a3bc0de272 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2085,6 +2085,8 @@ STimeWindow changeTableGroupByLastrow(STableGroupInfo *groupList) {
       totalNumOfTable++;
       taosArrayPush(pGroup, &keyInfo);
     } else {
+      taosArrayDestroy(pGroup);
+
       taosArrayRemove(groupList->pGroupList, j);
       numOfGroups -= 1;
       j -= 1;
-- 
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