From 6d267810a2471a9edb22d3d51b3cba720353d5d0 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 10 Aug 2022 15:22:40 +0800
Subject: [PATCH] fix(query): fix the invalid length for json data.

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

diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 5c37e6dc15..acdb3b68b0 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -1747,7 +1747,7 @@ static int32_t doConvertJson(SReqResultInfo* pResultInfo, int32_t numOfCols, int
     pStart1 += colLen1;
   }
 
-  *(int32_t*)(pResultInfo->convertJson) = totalLen;
+  *(int32_t*)(pResultInfo->convertJson + 4) = totalLen;
   pResultInfo->pData = pResultInfo->convertJson;
   return TSDB_CODE_SUCCESS;
 }