From 261adee98a8ffe376aeafb4998e990a04afd6652 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 13 Dec 2020 22:19:01 +0800
Subject: [PATCH] [TD-2433]<fix>: fix the bug that server_status() not working.

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

diff --git a/src/client/src/tscLocal.c b/src/client/src/tscLocal.c
index ab52ef396b..dfc0e3af4e 100644
--- a/src/client/src/tscLocal.c
+++ b/src/client/src/tscLocal.c
@@ -823,6 +823,9 @@ static int32_t tscProcessClientVer(SSqlObj *pSql) {
 // TODO add test cases.
 static int32_t checkForOnlineNode(SSqlObj* pSql) {
   int32_t* data = pSql->res.length;
+  if (data == NULL) {
+    return TSDB_CODE_SUCCESS;
+  }
 
   int32_t total  = data[0];
   int32_t online = data[1];
-- 
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