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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>
31 lines
994 B
Go
31 lines
994 B
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package db
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import (
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"context"
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"xorm.io/builder"
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)
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// CountOrphanedObjects count subjects with have no existing refobject anymore
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func CountOrphanedObjects(ctx context.Context, subject, refobject, joinCond string) (int64, error) {
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return GetEngine(ctx).
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Table("`"+subject+"`").
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Join("LEFT", "`"+refobject+"`", joinCond).
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Where(builder.IsNull{"`" + refobject + "`.id"}).
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Select("COUNT(`" + subject + "`.`id`)").
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Count()
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}
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// DeleteOrphanedObjects delete subjects with have no existing refobject anymore
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func DeleteOrphanedObjects(ctx context.Context, subject, refobject, joinCond string) error {
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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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b := builder.Delete(builder.In("id", subQuery)).From("`" + subject + "`")
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_, err := GetEngine(ctx).Exec(b)
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return err
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}
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