forgejo/models/migrations/v182.go
zeripath 697213bdb3
Add primary_key to issue_index (#16813)
Make the group_id a primary key in issue_index. This already has an unique index
and therefore is a good candidate for becoming a primary key.

This PR also changes all other uses of this table to add the group_id as the
primary key.

Fix #16802

Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-08-25 09:42:51 +01:00

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:"pk"`
MaxIndex int64 `xorm:"index"`
}
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()
}