From 7fafd24ef66a177d32b5c110249ce41c8490918d Mon Sep 17 00:00:00 2001
From: hzcheng <hzcheng@taosdata.com>
Date: Sun, 26 Apr 2020 17:32:32 +0800
Subject: [PATCH] TD-166

---
 src/common/src/tdataformat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index ce781b2eec..8f4b23ec16 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -50,7 +50,8 @@ int tdSchemaAddCol(STSchema *pSchema, int8_t type, int16_t colId, int32_t bytes)
   if (pSchema->numOfCols == 0) {
     colSetOffset(pCol, 0);
   } else {
-    colSetOffset(pCol, pSchema->columns[pSchema->numOfCols - 1].offset + TYPE_BYTES[type]);
+    STColumn *pTCol = pSchema->columns + pSchema->numOfCols - 1;
+    colSetOffset(pCol, pTCol->offset + TYPE_BYTES[pTCol->type]);
   }
   switch (type) {
     case TSDB_DATA_TYPE_BINARY:
-- 
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