From e0854a5b8b09010abcccf6427f926d48e70a2c4d Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Fri, 19 Feb 2021 13:56:06 +0800
Subject: [PATCH] fix bug

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

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 95cf28ec49..727ca9ad7f 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -2057,6 +2057,8 @@ SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, __async_cb_func_t
   pnCmd->parseFinished = 1;
   pnCmd->pTableNameList = NULL;
   pnCmd->pTableBlockHashList = NULL;
+  pnCmd->tagData.data = NULL;
+  pnCmd->tagData.dataLen = 0;
 
   if (tscAddSubqueryInfo(pnCmd) != TSDB_CODE_SUCCESS) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
-- 
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