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https://github.com/go-gitea/gitea.git
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3fd060eb37
When migrating repositories with reactions with deleted users, the original author id may be -1. This means that it is possible to end up attempting to create multiple reactions with the same [ Type, IssueID, CommentID, UserID, OriginalAuthorID ] thus breaking the constraints. On SQLite this appears to cause a deadlock but on other dbs this will cause the migration to fail. This PR extends the constraint to include the original author username in the constraint. Fix #13271 Signed-off-by: Andrew Thornton <art27@cantab.net>
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright 2020 The Gitea Authors. 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 migrations
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import (
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"code.gitea.io/gitea/modules/timeutil"
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"xorm.io/xorm"
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)
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func updateReactionConstraint(x *xorm.Engine) error {
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// Reaction represents a reactions on issues and comments.
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type Reaction struct {
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ID int64 `xorm:"pk autoincr"`
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Type string `xorm:"INDEX UNIQUE(s) NOT NULL"`
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IssueID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
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CommentID int64 `xorm:"INDEX UNIQUE(s)"`
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UserID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
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OriginalAuthorID int64 `xorm:"INDEX UNIQUE(s) NOT NULL DEFAULT(0)"`
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OriginalAuthor string `xorm:"INDEX UNIQUE(s)"`
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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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 := recreateTable(sess, &Reaction{}); 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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