From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 18 Oct 2024 20:33:49 +0200 Subject: Adding upstream version 9.0.0. Signed-off-by: Daniel Baumann --- models/db/consistency.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 models/db/consistency.go (limited to 'models/db/consistency.go') diff --git a/models/db/consistency.go b/models/db/consistency.go new file mode 100644 index 0000000..d19732c --- /dev/null +++ b/models/db/consistency.go @@ -0,0 +1,31 @@ +// Copyright 2022 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package db + +import ( + "context" + + "xorm.io/builder" +) + +// CountOrphanedObjects count subjects with have no existing refobject anymore +func CountOrphanedObjects(ctx context.Context, subject, refobject, joinCond string) (int64, error) { + return GetEngine(ctx). + Table("`"+subject+"`"). + Join("LEFT", "`"+refobject+"`", joinCond). + Where(builder.IsNull{"`" + refobject + "`.id"}). + Select("COUNT(`" + subject + "`.`id`)"). + Count() +} + +// DeleteOrphanedObjects delete subjects with have no existing refobject anymore +func DeleteOrphanedObjects(ctx context.Context, subject, refobject, joinCond string) error { + subQuery := builder.Select("`"+subject+"`.id"). + From("`"+subject+"`"). + Join("LEFT", "`"+refobject+"`", joinCond). + Where(builder.IsNull{"`" + refobject + "`.id"}) + b := builder.Delete(builder.In("id", subQuery)).From("`" + subject + "`") + _, err := GetEngine(ctx).Exec(b) + return err +} -- cgit v1.2.3