forgejo/models/migrations/v182.go
Lunny Xiao 0393a57511
Add a new table issue_index to store the max issue index so that issue could be deleted with no duplicated index (#15599)
* Add a new table issue_index to store the max issue index so that issue could be deleted with no duplicated index

* Fix pull index

* Add tests for concurrent creating issues

* Fix lint

* Fix tests

* Fix postgres test

* Add test for migration v180

* Rename wrong test file name

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-06-14 10:22:55 +08:00

42 lines
1.1 KiB
Go

// Copyright 2021 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 (
"xorm.io/xorm"
)
func addIssueResourceIndexTable(x *xorm.Engine) error {
type ResourceIndex struct {
GroupID int64 `xorm:"index unique(s)"`
MaxIndex int64 `xorm:"index unique(s)"`
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := sess.Table("issue_index").Sync2(new(ResourceIndex)); err != nil {
return err
}
// Remove data we're goint to rebuild
if _, err := sess.Table("issue_index").Where("1=1").Delete(&ResourceIndex{}); err != nil {
return err
}
// Create current data for all repositories with issues and PRs
if _, err := sess.Exec("INSERT INTO issue_index (group_id, max_index) " +
"SELECT max_data.repo_id, max_data.max_index " +
"FROM ( SELECT issue.repo_id AS repo_id, max(issue.`index`) AS max_index " +
"FROM issue GROUP BY issue.repo_id) AS max_data"); err != nil {
return err
}
return sess.Commit()
}