From 938b3a41d5a0252040e340ffc6ef5076637d64bc Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Sat, 26 Mar 2022 11:25:18 +0000
Subject: [PATCH] fix defragment bug

---
 source/libs/tdb/src/page/tdbPage.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/tdb/src/page/tdbPage.c b/source/libs/tdb/src/page/tdbPage.c
index 516330e4e6..f1eee48b0e 100644
--- a/source/libs/tdb/src/page/tdbPage.c
+++ b/source/libs/tdb/src/page/tdbPage.c
@@ -372,11 +372,11 @@ static int tdbPageDefragment(SPage *pPage) {
   int    idx;
   int    iCell;
 
-  ASSERT(pPage->pFreeEnd - pPage->pFreeStart < nFree);
-
   nFree = TDB_PAGE_NFREE(pPage);
   nCells = TDB_PAGE_NCELLS(pPage);
 
+  ASSERT(pPage->pFreeEnd - pPage->pFreeStart < nFree);
+
   // Loop to compact the page content
   // Here we use an O(n^2) algorithm to do the job since
   // this is a low frequency job.