From 425762105c4da5170314cda8aa86fc51471bb6c1 Mon Sep 17 00:00:00 2001
From: lidezhu <47731263+lidezhu@users.noreply.github.com>
Date: Mon, 31 Oct 2022 13:41:58 +0800
Subject: [PATCH] Fix minor compaction after restart (#6199)

close pingcap/tiflash#6159
---
 dbms/src/Storages/DeltaMerge/Delta/DeltaPack_V3.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dbms/src/Storages/DeltaMerge/Delta/DeltaPack_V3.cpp b/dbms/src/Storages/DeltaMerge/Delta/DeltaPack_V3.cpp
index 51bf0d4dfef..5834db49960 100644
--- a/dbms/src/Storages/DeltaMerge/Delta/DeltaPack_V3.cpp
+++ b/dbms/src/Storages/DeltaMerge/Delta/DeltaPack_V3.cpp
@@ -42,6 +42,7 @@ void serializeSavedPacks_V3(WriteBuffer & buf, const DeltaPacks & packs)
                 throw Exception("A data pack without schema: " + pack->toString(), ErrorCodes::LOGICAL_ERROR);
 
             bool save_schema = cur_schema != last_schema;
+            last_schema = cur_schema;
             pack->serializeMetadata(buf, save_schema);
             break;
         }