From b16fa964d795051816337cbef8b69a3bfc407687 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sat, 22 Aug 2020 11:59:48 +0800
Subject: [PATCH] [td-225] refactor shell code.

---
 src/client/src/tscSql.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index cfcc9f0fa6..4c9439f0a7 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -665,6 +665,8 @@ void taos_stop_query(TAOS_RES *res) {
   tscDebug("%p start to cancel query", res);
   SSqlCmd *pCmd = &pSql->cmd;
 
+  // TODO there are multi-thread problem.
+  // It may have been released by the other thread already.
   SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
   if (tscIsTwoStageSTableQuery(pQueryInfo, 0)) {
     tscKillSTableQuery(pSql);
-- 
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