From 0bb9cb4819b458b49799227f00441e3e74e98488 Mon Sep 17 00:00:00 2001
From: hongyunyan <649330952@qq.com>
Date: Wed, 8 Feb 2023 12:41:58 +0800
Subject: [PATCH] Fix new segment check in
 gcTrySegmentMergeDelta/gcTrySegmentMerge (#6774)

close pingcap/tiflash#6775
---
 dbms/src/Storages/DeltaMerge/DeltaMergeStore_InternalBg.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dbms/src/Storages/DeltaMerge/DeltaMergeStore_InternalBg.cpp b/dbms/src/Storages/DeltaMerge/DeltaMergeStore_InternalBg.cpp
index 4f3f3503a63..94fcbdffa0c 100644
--- a/dbms/src/Storages/DeltaMerge/DeltaMergeStore_InternalBg.cpp
+++ b/dbms/src/Storages/DeltaMerge/DeltaMergeStore_InternalBg.cpp
@@ -595,7 +595,7 @@ SegmentPtr DeltaMergeStore::gcTrySegmentMerge(const DMContextPtr & dm_context, c
     auto new_segment = segmentMerge(*dm_context, segments_to_merge, SegmentMergeReason::BackgroundGCThread);
     if (new_segment)
     {
-        checkSegmentUpdate(dm_context, segment, ThreadType::BG_GC);
+        checkSegmentUpdate(dm_context, new_segment, ThreadType::BG_GC);
     }
 
     return new_segment;
@@ -718,7 +718,7 @@ SegmentPtr DeltaMergeStore::gcTrySegmentMergeDelta(const DMContextPtr & dm_conte
     }
 
     segment_snap = {};
-    checkSegmentUpdate(dm_context, segment, ThreadType::BG_GC);
+    checkSegmentUpdate(dm_context, new_segment, ThreadType::BG_GC);
 
     return new_segment;
 }