From c93306a875e413df02e2e45c5ddc46d327ac4dcc Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Sat, 18 Sep 2021 10:48:58 +0800
Subject: [PATCH] TD-6129<feature> fix json encode error

---
 src/common/inc/tdataformat.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common/inc/tdataformat.h b/src/common/inc/tdataformat.h
index ba9196c52a..f8cc374eb0 100644
--- a/src/common/inc/tdataformat.h
+++ b/src/common/inc/tdataformat.h
@@ -560,6 +560,8 @@ static FORCE_INLINE int tdAddColToKVRow(SKVRowBuilder *pBuilder, int16_t colId,
   char* jumpType = (char*)value;
   if(isJumpJsonVType) jumpType += CHAR_BYTES;
   int tlen = IS_VAR_DATA_TYPE(type) ? varDataTLen(jumpType) : TYPE_BYTES[type];
+  if(isJumpJsonVType) tlen += CHAR_BYTES;   // add type size
+
   if (tlen > pBuilder->alloc - pBuilder->size) {
     while (tlen > pBuilder->alloc - pBuilder->size) {
       pBuilder->alloc *= 2;
-- 
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