38 lines
1 KiB
Go
38 lines
1 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_22 //nolint
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import (
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"xorm.io/xorm"
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)
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func AddCombinedIndexToIssueUser(x *xorm.Engine) error {
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type OldIssueUser struct {
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IssueID int64
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UID int64
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Cnt int64
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}
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var duplicatedIssueUsers []OldIssueUser
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if err := x.SQL("select * from (select issue_id, uid, count(1) as cnt from issue_user group by issue_id, uid) a where a.cnt > 1").
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Find(&duplicatedIssueUsers); err != nil {
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return err
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}
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for _, issueUser := range duplicatedIssueUsers {
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var ids []int64
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if err := x.SQL("SELECT id FROM issue_user WHERE issue_id = ? and uid = ? limit ?", issueUser.IssueID, issueUser.UID, issueUser.Cnt-1).Find(&ids); err != nil {
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return err
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}
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if _, err := x.Table("issue_user").In("id", ids).Delete(); err != nil {
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return err
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}
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}
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type IssueUser struct {
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UID int64 `xorm:"INDEX unique(uid_to_issue)"` // User ID.
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IssueID int64 `xorm:"INDEX unique(uid_to_issue)"`
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}
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return x.Sync(&IssueUser{})
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}
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