mirror of https://github.com/go-gitea/gitea.git
* Fix orphaned objects deletion bug * extend test Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
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@ -297,11 +297,15 @@ func CountOrphanedObjects(subject, refobject, joinCond string) (int64, error) {
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// DeleteOrphanedObjects delete subjects with have no existing refobject anymore
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func DeleteOrphanedObjects(subject, refobject, joinCond string) error {
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_, err := x.In("id", builder.Select("`"+subject+"`.id").
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subQuery := builder.Select("`"+subject+"`.id").
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From("`"+subject+"`").
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Join("LEFT", "`"+refobject+"`", joinCond).
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Where(builder.IsNull{"`" + refobject + "`.id"})).
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Delete("`" + subject + "`")
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Where(builder.IsNull{"`" + refobject + "`.id"})
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sql, args, err := builder.Delete(builder.In("id", subQuery)).From("`" + subject + "`").ToSQL()
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if err != nil {
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return err
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}
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_, err = x.Exec(append([]interface{}{sql}, args...)...)
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return err
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}
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@ -0,0 +1,32 @@
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// Copyright 2021 Gitea. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestDeleteOrphanedObjects(t *testing.T) {
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assert.NoError(t, PrepareTestDatabase())
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countBefore, err := x.Count(&PullRequest{})
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assert.NoError(t, err)
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_, err = x.Insert(&PullRequest{IssueID: 1000}, &PullRequest{IssueID: 1001}, &PullRequest{IssueID: 1003})
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assert.NoError(t, err)
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orphaned, err := CountOrphanedObjects("pull_request", "issue", "pull_request.issue_id=issue.id")
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assert.NoError(t, err)
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assert.EqualValues(t, 3, orphaned)
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err = DeleteOrphanedObjects("pull_request", "issue", "pull_request.issue_id=issue.id")
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assert.NoError(t, err)
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countAfter, err := x.Count(&PullRequest{})
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assert.NoError(t, err)
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assert.EqualValues(t, countBefore, countAfter)
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}
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