From e384c42a9d2907f7f0ed94bc0ac9e394d1704991 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Wed, 31 Mar 2021 09:55:19 +0800
Subject: [PATCH] fix bug

---
 src/client/src/tscUtil.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 858be75911..76835552b1 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -1945,7 +1945,9 @@ void tscVgroupTableCopy(SVgroupTableInfo* info, SVgroupTableInfo* pInfo) {
     info->vgInfo.epAddr[j].fqdn = strdup(pInfo->vgInfo.epAddr[j].fqdn);
   }
 
-  info->itemList = taosArrayDup(pInfo->itemList);
+  if (pInfo->itemList) {
+    info->itemList = taosArrayDup(pInfo->itemList);
+  }
 }
 
 SArray* tscVgroupTableInfoDup(SArray* pVgroupTables) {
@@ -2187,8 +2189,10 @@ SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, __async_cb_func_t
   pnCmd->tagData.data = NULL;
   pnCmd->tagData.dataLen = 0;
 
-  pnCmd->pUdfInfo = taosArrayDup(pCmd->pUdfInfo);
-
+  if (pCmd->pUdfInfo) {
+    pnCmd->pUdfInfo = taosArrayDup(pCmd->pUdfInfo);
+  }
+  
   if (tscAddSubqueryInfo(pnCmd) != TSDB_CODE_SUCCESS) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
     goto _error;
-- 
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