forgejo/models/migrations/v177.go
delvh 0ebb45cfe7
Replace all instances of fmt.Errorf(%v) with fmt.Errorf(%w) (#21551)
Found using
`find . -type f -name '*.go' -print -exec vim {} -c
':%s/fmt\.Errorf(\(.*\)%v\(.*\)err/fmt.Errorf(\1%w\2err/g' -c ':wq' \;`

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2022-10-24 20:29:17 +01:00

44 lines
1,014 B
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 (
"fmt"
"xorm.io/xorm"
)
// deleteOrphanedIssueLabels looks through the database for issue_labels where the label no longer exists and deletes them.
func deleteOrphanedIssueLabels(x *xorm.Engine) error {
type IssueLabel struct {
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"UNIQUE(s)"`
LabelID int64 `xorm:"UNIQUE(s)"`
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := sess.Sync2(new(IssueLabel)); err != nil {
return fmt.Errorf("Sync2: %w", err)
}
if _, err := sess.Exec(`DELETE FROM issue_label WHERE issue_label.id IN (
SELECT ill.id FROM (
SELECT il.id
FROM issue_label AS il
LEFT JOIN label ON il.label_id = label.id
WHERE
label.id IS NULL
) AS ill)`); err != nil {
return err
}
return sess.Commit()
}