From 88b4f9d9a81d90fb4b6352ac5aaa0b166a780e47 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Thu, 22 Sep 2022 13:23:16 +0800
Subject: [PATCH] fix: fix nchar compare issue

---
 source/libs/executor/src/timewindowoperator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 971f3618a0..660420aebb 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -1115,7 +1115,7 @@ static bool compareVal(const char* v, const SStateKeys* pKey) {
     if (varDataLen(v) != varDataLen(pKey->pData)) {
       return false;
     } else {
-      return strncmp(varDataVal(v), varDataVal(pKey->pData), varDataLen(v)) == 0;
+      return memcmp(varDataVal(v), varDataVal(pKey->pData), varDataLen(v)) == 0;
     }
   } else {
     return memcmp(pKey->pData, v, pKey->bytes) == 0;