From 020b71515a171cf190cda419062ddc2839afe7d6 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Mon, 24 Oct 2022 09:09:45 +0800
Subject: [PATCH] fix: coverity scan

---
 source/dnode/vnode/src/meta/metaTable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index b6c4b35d9b..dfa23602e8 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -731,7 +731,7 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
   SSchemaWrapper *pSchema;
   int             c;
 
-  if (pAlterTbReq->colName == NULL) {
+  if (pAlterTbReq->colName == NULL || pAlterTbReq->colNewName == NULL) {
     terrno = TSDB_CODE_INVALID_MSG;
     return -1;
   }