From 789ea00e7f779e981718c8ef723d38941a0c340b Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Sun, 4 Aug 2019 15:37:53 +0800
Subject: [PATCH] add migration

---
 models/migrations/migrations.go |  2 ++
 models/migrations/v91.go        | 26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 models/migrations/v91.go

diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 5326022b41613..6459036e4a61a 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -236,6 +236,8 @@ var migrations = []Migration{
 	NewMigration("add original author/url migration info to issues, comments, and repo ", addOriginalMigrationInfo),
 	// v90 -> v91
 	NewMigration("change length of some repository columns", changeSomeColumnsLengthOfRepo),
+	// v91 -> v92
+	NewMigration("add index on owner_id of repository and type, review_id of comment", addIndexOnRepositoryAndComment),
 }
 
 // Migrate database to current version
diff --git a/models/migrations/v91.go b/models/migrations/v91.go
new file mode 100644
index 0000000000000..fea71b5d3b1d9
--- /dev/null
+++ b/models/migrations/v91.go
@@ -0,0 +1,26 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import "github.com/go-xorm/xorm"
+
+func addIndexOnRepositoryAndComment(x *xorm.Engine) error {
+	type Repository struct {
+		ID      int64 `xorm:"pk autoincr"`
+		OwnerID int64 `xorm:"index"`
+	}
+
+	if err := x.Sync2(new(Repository)); err != nil {
+		return err
+	}
+
+	type Comment struct {
+		ID       int64 `xorm:"pk autoincr"`
+		Type     int   `xorm:"index"`
+		ReviewID int64 `xorm:"index"`
+	}
+
+	return x.Sync2(new(Comment))
+}