From b63241867c677f30948416a790d8d8063682452c Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Fri, 20 Dec 2019 10:09:56 +0800
Subject: [PATCH] add a simple assert

---
 src/system/detail/src/vnodeFile.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/system/detail/src/vnodeFile.c b/src/system/detail/src/vnodeFile.c
index 1cb28e8399..677a8d8a1e 100644
--- a/src/system/detail/src/vnodeFile.c
+++ b/src/system/detail/src/vnodeFile.c
@@ -1311,6 +1311,7 @@ int vnodeWriteBlockToFile(SMeterObj *pObj, SCompBlock *pCompBlock, SData *data[]
   pCompBlock->keyFirst = *((TSKEY *)(data[0]->data));  // hack way to get the key
   pCompBlock->keyLast = *((TSKEY *)(data[0]->data + (points - 1) * pObj->schema[0].bytes));
   pCompBlock->sversion = pObj->sversion;
+  assert(pCompBlock->keyFirst <= pCompBlock->keyLast);
 
   return 0;
 }
-- 
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