From 7a2a998569e03c2134ad6764a1a656b0ed215577 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Mon, 15 Jun 2020 14:44:15 +0000
Subject: [PATCH] fix TD-647

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

diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index 77e91acc14..40cdac9833 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -588,7 +588,7 @@ int tdSetKVRowDataOfCol(SKVRow *orow, int16_t colId, int8_t type, void *value) {
         if (kvRowNCols(nrow) - colIdx - 1 > 0) {
           for (int i = colIdx + 1; i < kvRowNCols(nrow); i++) {
             kvRowColIdxAt(nrow, i)->colId = kvRowColIdxAt(row, i)->colId;
-            kvRowColIdxAt(nrow, i)->offset += diff;
+            kvRowColIdxAt(nrow, i)->offset = kvRowColIdxAt(row, i)->offset + diff;
           }
           memcpy(kvRowColVal(nrow, kvRowColIdxAt(nrow, colIdx + 1)), kvRowColVal(row, kvRowColIdxAt(row, colIdx + 1)),
                  POINTER_DISTANCE(kvRowEnd(row), kvRowColVal(row, kvRowColIdxAt(row, colIdx + 1))));