From 4630ba5d037c50b35a658457538a359bc26f2de2 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Tue, 7 Jul 2020 14:16:30 +0800
Subject: [PATCH] TD-541

---
 src/tsdb/inc/tsdbMain.h     | 3 +--
 src/tsdb/src/tsdbRWHelper.c | 1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tsdb/inc/tsdbMain.h b/src/tsdb/inc/tsdbMain.h
index d856650b0e..4cd2f45917 100644
--- a/src/tsdb/inc/tsdbMain.h
+++ b/src/tsdb/inc/tsdbMain.h
@@ -195,7 +195,6 @@ typedef struct {
 typedef struct {
   uint32_t len;
   uint32_t offset;
-  // uint32_t padding;
   uint32_t hasLast : 2;
   uint32_t numOfBlocks : 30;
   uint64_t uid;
@@ -224,7 +223,7 @@ typedef struct {
 
 typedef struct {
   int16_t colId;
-  int16_t len;
+  int32_t len;
   int32_t type : 8;
   int32_t offset : 24;
   int64_t sum;
diff --git a/src/tsdb/src/tsdbRWHelper.c b/src/tsdb/src/tsdbRWHelper.c
index 9e87a1f587..0fc94c07a8 100644
--- a/src/tsdb/src/tsdbRWHelper.c
+++ b/src/tsdb/src/tsdbRWHelper.c
@@ -703,6 +703,7 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
     }
 
     // Add checksum
+    ASSERT(pCompCol->len > 0);
     pCompCol->len += sizeof(TSCKSUM);
     taosCalcChecksumAppend(0, (uint8_t *)tptr, pCompCol->len);
 
-- 
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