From 7186767fe253888609b502444daf38423db0707b Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Tue, 9 Nov 2021 19:46:03 +0800
Subject: [PATCH] add json compare function support

---
 src/client/src/tscUtil.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 5c95bd94b8..588853d999 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -5387,21 +5387,21 @@ void* getJsonTagValueElment(STable* data, char* key, int32_t keyLen, char* dst,
   char* realData = POINTER_SHIFT(result, CHAR_BYTES);
   if(*(char*)result == TSDB_DATA_TYPE_NCHAR || *(char*)result == TSDB_DATA_TYPE_BINARY) {
     assert(varDataTLen(realData) < bytes);
-    if(!dst) return realData;
+    if(!dst) return result;
     memcpy(dst, result, CHAR_BYTES + varDataTLen(realData));
     return dst;
   }else if (*(char*)result == TSDB_DATA_TYPE_DOUBLE || *(char*)result == TSDB_DATA_TYPE_BIGINT) {
-    if(!dst) return realData;
+    if(!dst) return result;
     memcpy(dst, result, CHAR_BYTES + LONG_BYTES);
     return dst;
   }else if (*(char*)result == TSDB_DATA_TYPE_BOOL) {
-    if(!dst) return realData;
+    if(!dst) return result;
     memcpy(dst, result, CHAR_BYTES + CHAR_BYTES);
     return dst;
   }else {
     assert(0);
   }
-  return realData;
+  return result;
 }
 
 void getJsonTagValueAll(void* data, void* dst, int16_t bytes) {
-- 
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