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e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
42 lines
946 B
Go
42 lines
946 B
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_14 //nolint
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import (
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"fmt"
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"xorm.io/xorm"
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)
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// DeleteOrphanedIssueLabels looks through the database for issue_labels where the label no longer exists and deletes them.
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func DeleteOrphanedIssueLabels(x *xorm.Engine) error {
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type IssueLabel struct {
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ID int64 `xorm:"pk autoincr"`
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IssueID int64 `xorm:"UNIQUE(s)"`
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LabelID int64 `xorm:"UNIQUE(s)"`
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}
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return err
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}
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if err := sess.Sync2(new(IssueLabel)); err != nil {
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return fmt.Errorf("Sync2: %w", err)
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}
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if _, err := sess.Exec(`DELETE FROM issue_label WHERE issue_label.id IN (
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SELECT ill.id FROM (
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SELECT il.id
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FROM issue_label AS il
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LEFT JOIN label ON il.label_id = label.id
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WHERE
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label.id IS NULL
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) AS ill)`); err != nil {
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return err
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}
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return sess.Commit()
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}
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