// Copyright 2020 The Gitea Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package migrations import ( "xorm.io/xorm" ) func fixRepoTopics(x *xorm.Engine) error { type Topic struct { ID int64 `xorm:"pk autoincr"` Name string `xorm:"UNIQUE VARCHAR(25)"` RepoCount int } type RepoTopic struct { RepoID int64 `xorm:"pk"` TopicID int64 `xorm:"pk"` } type Repository struct { ID int64 `xorm:"pk autoincr"` Topics []string `xorm:"TEXT JSON"` } const batchSize = 100 sess := x.NewSession() defer sess.Close() repos := make([]*Repository, 0, batchSize) topics := make([]string, 0, batchSize) for start := 0; ; start += batchSize { repos = repos[:0] if err := sess.Begin(); err != nil { return err } if err := sess.Limit(batchSize, start).Find(&repos); err != nil { return err } if len(repos) == 0 { break } for _, repo := range repos { topics = topics[:0] if err := sess.Select("name").Table("topic"). Join("INNER", "repo_topic", "repo_topic.topic_id = topic.id"). Where("repo_topic.repo_id = ?", repo.ID).Desc("topic.repo_count").Find(&topics); err != nil { return err } repo.Topics = topics if _, err := sess.ID(repo.ID).Cols("topics").Update(repo); err != nil { return err } } if err := sess.Commit(); err != nil { return err } } return nil } 19-fix-fed-share-user-avatars Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data

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