From f88714d1af06f3adf80a593f314eb80cb8025a31 Mon Sep 17 00:00:00 2001
From: Zak Zhao <57036248+joccau@users.noreply.github.com>
Date: Wed, 11 Jan 2023 21:00:33 +0800
Subject: [PATCH] br: need init MDL variable when GetDomain (#40512)

Signed-off-by: joccau <zak.zhao@pingcap.com>

Signed-off-by: joccau <zak.zhao@pingcap.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
---
 br/pkg/gluetidb/glue.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/br/pkg/gluetidb/glue.go b/br/pkg/gluetidb/glue.go
index c9756fe07ea89..45c8d84862351 100644
--- a/br/pkg/gluetidb/glue.go
+++ b/br/pkg/gluetidb/glue.go
@@ -136,6 +136,10 @@ func (g Glue) UseOneShotSession(store kv.Storage, closeDomain bool, fn func(glue
 	if err != nil {
 		return errors.Trace(err)
 	}
+	if err = session.InitMDLVariable(store); err != nil {
+		return errors.Trace(err)
+	}
+
 	// because domain was created during the whole program exists.
 	// and it will register br info to info syncer.
 	// we'd better close it as soon as possible.