From 1fed1db16a9dcce63f62139c8b9cf636cfaae710 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Fri, 6 Nov 2020 11:02:33 +0800
Subject: [PATCH] [TD-225]

---
 src/client/src/tscSubquery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index 4b6dde902c..b3d151ba27 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -565,7 +565,7 @@ int32_t tagValCompar(const void* p1, const void* p2) {
     return (tag1->len > tag2->len)? 1: -1;
   }
 
-  return strncmp(tag1->data, tag2->data, tag1->len);
+  return memcmp(tag1->data, tag2->data, tag1->len);
 }
 
 void tscBuildVgroupTableInfo(SSqlObj* pSql, STableMetaInfo* pTableMetaInfo, SArray* tables) {
-- 
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