From d5daab519a7331417035abac51fd1065ff2f97d2 Mon Sep 17 00:00:00 2001
From: songlinlife <kalicener@gmail.com>
Date: Thu, 26 Sep 2024 17:42:31 +0800
Subject: [PATCH] br: fix region split failure due to empty split key

ref: https://github.com/pingcap/tidb/issues/56228
---
 br/pkg/task/restore_raw.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/br/pkg/task/restore_raw.go b/br/pkg/task/restore_raw.go
index ea87cc7345b8a..13a7382d6092c 100644
--- a/br/pkg/task/restore_raw.go
+++ b/br/pkg/task/restore_raw.go
@@ -174,6 +174,9 @@ func RunRestoreRaw(c context.Context, g glue.Glue, cmdName string, cfg *RestoreR
 func getEndKeys(ranges []rtree.RangeStats) [][]byte {
 	endKeys := make([][]byte, 0, len(ranges))
 	for _, rg := range ranges {
+		if len(rg.EndKey) == 0 {
+			continue
+		}
 		endKeys = append(endKeys, rg.EndKey)
 	}
 	return endKeys