From 98cd494f23d89389542838426d4b016b07e6406c Mon Sep 17 00:00:00 2001
From: root <314218900@qq.com>
Date: Sat, 11 Jun 2022 16:28:11 +0800
Subject: [PATCH] fix:Failed to start TDengine server service.(vnode tsdb data
 file has wrong size , report to upper layer to fix it) #13529

---
 src/tsdb/inc/tsdbFile.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/tsdb/inc/tsdbFile.h b/src/tsdb/inc/tsdbFile.h
index 75e9563151..4ad1e5b317 100644
--- a/src/tsdb/inc/tsdbFile.h
+++ b/src/tsdb/inc/tsdbFile.h
@@ -257,7 +257,13 @@ static FORCE_INLINE int tsdbAppendDFile(SDFile* pDFile, void* buf, int64_t nbyte
     return -1;
   }
 
-  ASSERT(pDFile->info.size == toffset);
+  //bug fix. To avoid data corruption, close the data file in advance.
+  //ASSERT(pDFile->info.size == toffset);
+  if (pDFile->info.size != toffset) {
+    tsdbCloseDFile(pDFile);
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
 
   if (offset) {
     *offset = toffset;
-- 
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