mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-11 20:54:05 +08:00
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package v1_22 //nolint
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"xorm.io/xorm"
|
|
"xorm.io/xorm/schemas"
|
|
)
|
|
|
|
// 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 {
|
|
if x.Dialect().URI().DBType == schemas.MSSQL {
|
|
if _, err := x.Exec(fmt.Sprintf("delete from project_issue where id in (SELECT top %d id FROM project_issue WHERE issue_id = ? and project_id = ?)", r.Cnt-1), r.IssueID, r.ProjectID); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
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))
|
|
}
|