mirror of https://github.com/go-gitea/gitea
43 lines
944 B
Go
43 lines
944 B
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package v1_14 //nolint
|
|
|
|
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.Sync(new(IssueLabel)); err != nil {
|
|
return fmt.Errorf("Sync: %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()
|
|
}
|