From 1b0e7c70fc635bc358bd36923654a4367b167fc0 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Tue, 27 Apr 2021 20:06:33 +0800
Subject: [PATCH] [td-225] refactor.

---
 src/client/src/tscServer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 021aba171b..680a39c7cf 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2533,7 +2533,8 @@ int32_t tscGetTableMeta(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
   if (pTableMetaInfo->pTableMeta == NULL) {
     pTableMetaInfo->pTableMeta = calloc(1, size);
   } else {
-    memset(pTableMetaInfo->pTableMeta, 0, size);
+    uint32_t s = tscGetTableMetaSize(pTableMetaInfo->pTableMeta);
+    memset(pTableMetaInfo->pTableMeta, 0, s);
   }
 
   pTableMetaInfo->pTableMeta->tableType = -1;