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forgejo/models/migrations/v1_22/v294.go
wxiaoguang 2d2c18f0bd
Rename migration package name for 1.22-rc1 (#30730)
Ref: Propose to restart 1.22 release #30501
(cherry picked from commit 6d2a307ad8af7d686f1c3a3706ff0f2df895658a)

Conflicts:
	models/migrations/migrations.go
	models/migrations/v1_22/v297.go
	trivial conflict because a migration does not exist in Forgejo
2024-04-28 15:39:01 +02:00

44 lines
1.2 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_22 //nolint
import (
"xorm.io/xorm"
)
// AddUniqueIndexForProjectIssue adds unique indexes for project issue table
func AddUniqueIndexForProjectIssue(x *xorm.Engine) error {
// remove possible duplicated records in table project_issue
type result struct {
IssueID int64
ProjectID int64
Cnt int
}
var results []result
if err := x.Select("issue_id, project_id, count(*) as cnt").
Table("project_issue").
GroupBy("issue_id, project_id").
Having("count(*) > 1").
Find(&results); err != nil {
return err
}
for _, r := range results {
var ids []int64
if err := x.SQL("SELECT id FROM project_issue WHERE issue_id = ? and project_id = ? limit ?", r.IssueID, r.ProjectID, r.Cnt-1).Find(&ids); err != nil {
return err
}
if _, err := x.Table("project_issue").In("id", ids).Delete(); err != nil {
return err
}
}
// add unique index for project_issue table
type ProjectIssue struct { //revive:disable-line:exported
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"INDEX unique(s)"`
ProjectID int64 `xorm:"INDEX unique(s)"`
}
return x.Sync(new(ProjectIssue))
}