From b8671afff81d2054f13f87f89d989103a79c2560 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Tue, 16 Nov 2021 23:26:56 +0800
Subject: [PATCH] fix windows compilation error

---
 src/client/src/tscSQLParser.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index af4cd08edb..cf2e216fef 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -6071,13 +6071,13 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   bool dbIncluded = false;
 
   SStrToken tmpToken = pAlterSQL->name;
-  const int32_t bufLen = pAlterSQL->name.n;
-  char tmpTokenBuf[bufLen];
+  char *tmpTokenBuf = strndup(pAlterSQL->name.z, pAlterSQL->name.n);
   tmpToken.z = tmpTokenBuf;
-  memcpy(tmpTokenBuf, pAlterSQL->name.z, pAlterSQL->name.n);
   if (tscValidateName(&tmpToken, true, &dbIncluded) != TSDB_CODE_SUCCESS) {
+    free(tmpTokenBuf);
     return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg1);
   }
+  free(tmpTokenBuf);
 
   code = tscSetTableFullName(&pTableMetaInfo->name, &tmpToken, pSql, dbIncluded);
   if (code != TSDB_CODE_SUCCESS) {
-- 
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