mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-01 05:36:19 +01:00
Fixed violation of the unique constraint for v68 migration (#4297)
This commit is contained in:
Alexey Terentyev
techknowlogick
parent
a9ffbeb679
commit
91ff87c0e5
2 changed files with 106 additions and 53 deletions
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@ -5,19 +5,47 @@
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package migrations
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import (
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"fmt"
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"regexp"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/log"
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"github.com/go-xorm/xorm"
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)
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var topicPattern = regexp.MustCompile(`^[a-z0-9][a-z0-9-]*$`)
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func validateTopic(topic string) bool {
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return len(topic) <= 35 && topicPattern.MatchString(topic)
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}
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func reformatAndRemoveIncorrectTopics(x *xorm.Engine) (err error) {
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log.Info("This migration could take up to minutes, please be patient.")
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type Topic struct {
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ID int64
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Name string `xorm:"unique"`
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ID int64
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Name string `xorm:"UNIQUE"`
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RepoCount int
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CreatedUnix int64 `xorm:"INDEX created"`
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UpdatedUnix int64 `xorm:"INDEX updated"`
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}
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type RepoTopic struct {
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RepoID int64 `xorm:"UNIQUE(s)"`
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TopicID int64 `xorm:"UNIQUE(s)"`
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}
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type Repository struct {
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ID int64 `xorm:"pk autoincr"`
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Topics []string `xorm:"TEXT JSON"`
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}
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if err := x.Sync2(new(Topic)); err != nil {
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return fmt.Errorf("Sync2: %v", err)
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}
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if err := x.Sync2(new(RepoTopic)); err != nil {
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return fmt.Errorf("Sync2: %v", err)
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}
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sess := x.NewSession()
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@ -25,79 +53,99 @@ func reformatAndRemoveIncorrectTopics(x *xorm.Engine) (err error) {
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const batchSize = 100
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touchedRepo := make(map[int64]struct{})
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topics := make([]*Topic, 0, batchSize)
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delTopicIDs := make([]int64, 0, batchSize)
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ids := make([]int64, 0, 30)
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log.Info("Validating existed topics...")
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if err := sess.Begin(); err != nil {
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return err
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}
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log.Info("Validating existed topics...")
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for start := 0; ; start += batchSize {
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topics = topics[:0]
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if err := sess.Asc("id").Limit(batchSize, start).Find(&topics); err != nil {
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topics := make([]*Topic, 0, batchSize)
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if err := x.Cols("id", "name").Asc("id").Limit(batchSize, start).Find(&topics); err != nil {
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return err
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}
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if len(topics) == 0 {
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break
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}
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for _, topic := range topics {
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if models.ValidateTopic(topic.Name) {
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if validateTopic(topic.Name) {
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continue
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}
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log.Info("Incorrect topic: id = %v, name = %q", topic.ID, topic.Name)
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topic.Name = strings.Replace(strings.TrimSpace(strings.ToLower(topic.Name)), " ", "-", -1)
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ids := make([]int64, 0, 30)
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if err := sess.Table("repo_topic").Cols("repo_id").
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Where("topic_id = ?", topic.ID).Find(&ids); err != nil {
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return err
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}
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log.Info("Touched repo ids: %v", ids)
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for _, id := range ids {
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touchedRepo[id] = struct{}{}
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}
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if models.ValidateTopic(topic.Name) {
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log.Info("Updating topic: id = %v, name = %v", topic.ID, topic.Name)
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if _, err := sess.Table("topic").ID(topic.ID).
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Update(&Topic{Name: topic.Name}); err != nil {
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if validateTopic(topic.Name) {
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unifiedTopic := Topic{Name: topic.Name}
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exists, err := sess.Cols("id", "name").Get(&unifiedTopic)
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log.Info("Exists topic with the name %q? %v, id = %v", topic.Name, exists, unifiedTopic.ID)
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if err != nil {
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return err
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}
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} else {
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delTopicIDs = append(delTopicIDs, topic.ID)
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if exists {
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log.Info("Updating repo_topic rows with topic_id = %v to topic_id = %v", topic.ID, unifiedTopic.ID)
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if _, err := sess.Where("topic_id = ? AND repo_id NOT IN "+
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"(SELECT rt1.repo_id FROM repo_topic rt1 INNER JOIN repo_topic rt2 "+
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"ON rt1.repo_id = rt2.repo_id WHERE rt1.topic_id = ? AND rt2.topic_id = ?)",
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topic.ID, topic.ID, unifiedTopic.ID).Update(&RepoTopic{TopicID: unifiedTopic.ID}); err != nil {
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return err
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}
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log.Info("Updating topic `repo_count` field")
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if _, err := sess.Exec(
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"UPDATE topic SET repo_count = (SELECT COUNT(*) FROM repo_topic WHERE topic_id = ? GROUP BY topic_id) WHERE id = ?",
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unifiedTopic.ID, unifiedTopic.ID); err != nil {
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return err
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}
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} else {
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log.Info("Updating topic: id = %v, name = %q", topic.ID, topic.Name)
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if _, err := sess.Table("topic").ID(topic.ID).
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Update(&Topic{Name: topic.Name}); err != nil {
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return err
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}
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continue
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}
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}
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delTopicIDs = append(delTopicIDs, topic.ID)
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}
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}
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if err := sess.Commit(); err != nil {
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return err
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}
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sess.Init()
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log.Info("Deleting incorrect topics...")
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for start := 0; ; start += batchSize {
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if (start + batchSize) < len(delTopicIDs) {
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ids = delTopicIDs[start:(start + batchSize)]
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} else {
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ids = delTopicIDs[start:]
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}
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log.Info("Deleting 'repo_topic' rows for topics with ids = %v", ids)
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if _, err := sess.In("topic_id", ids).Delete(&models.RepoTopic{}); err != nil {
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return err
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}
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log.Info("Deleting topics with id = %v", ids)
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if _, err := sess.In("id", ids).Delete(&Topic{}); err != nil {
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return err
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}
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if len(ids) < batchSize {
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break
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}
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if err := sess.Begin(); err != nil {
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return err
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}
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log.Info("Deleting 'repo_topic' rows for topics with ids = %v", delTopicIDs)
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if _, err := sess.In("topic_id", delTopicIDs).Delete(&RepoTopic{}); err != nil {
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return err
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}
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log.Info("Deleting topics with id = %v", delTopicIDs)
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if _, err := sess.In("id", delTopicIDs).Delete(&Topic{}); err != nil {
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return err
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}
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if err := sess.Commit(); err != nil {
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return err
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}
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repoTopics := make([]*models.RepoTopic, 0, batchSize)
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delRepoTopics := make([]*models.RepoTopic, 0, batchSize)
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tmpRepoTopics := make([]*models.RepoTopic, 0, 30)
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delRepoTopics := make([]*RepoTopic, 0, batchSize)
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log.Info("Checking the number of topics in the repositories...")
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for start := 0; ; start += batchSize {
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repoTopics = repoTopics[:0]
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if err := sess.Cols("repo_id").Asc("repo_id").Limit(batchSize, start).
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repoTopics := make([]*RepoTopic, 0, batchSize)
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if err := x.Cols("repo_id").Asc("repo_id").Limit(batchSize, start).
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GroupBy("repo_id").Having("COUNT(*) > 25").Find(&repoTopics); err != nil {
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return err
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}
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@ -109,8 +157,8 @@ func reformatAndRemoveIncorrectTopics(x *xorm.Engine) (err error) {
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for _, repoTopic := range repoTopics {
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touchedRepo[repoTopic.RepoID] = struct{}{}
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tmpRepoTopics = tmpRepoTopics[:0]
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if err := sess.Where("repo_id = ?", repoTopic.RepoID).Find(&tmpRepoTopics); err != nil {
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tmpRepoTopics := make([]*RepoTopic, 0, 30)
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if err := x.Where("repo_id = ?", repoTopic.RepoID).Find(&tmpRepoTopics); err != nil {
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return err
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}
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@ -122,13 +170,18 @@ func reformatAndRemoveIncorrectTopics(x *xorm.Engine) (err error) {
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}
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}
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sess.Init()
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log.Info("Deleting superfluous topics for repositories (more than 25 topics)...")
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if err := sess.Begin(); err != nil {
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return err
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}
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for _, repoTopic := range delRepoTopics {
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log.Info("Deleting 'repo_topic' rows for 'repository' with id = %v. Topic id = %v",
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repoTopic.RepoID, repoTopic.TopicID)
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if _, err := sess.Where("repo_id = ? AND topic_id = ?", repoTopic.RepoID,
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repoTopic.TopicID).Delete(&models.RepoTopic{}); err != nil {
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repoTopic.TopicID).Delete(&RepoTopic{}); err != nil {
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return err
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}
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if _, err := sess.Exec(
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@ -138,17 +191,17 @@ func reformatAndRemoveIncorrectTopics(x *xorm.Engine) (err error) {
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}
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}
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topicNames := make([]string, 0, 30)
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log.Info("Updating repositories 'topics' fields...")
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for repoID := range touchedRepo {
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topicNames := make([]string, 0, 30)
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if err := sess.Table("topic").Cols("name").
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Join("INNER", "repo_topic", "topic.id = repo_topic.topic_id").
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Where("repo_topic.repo_id = ?", repoID).Find(&topicNames); err != nil {
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Join("INNER", "repo_topic", "repo_topic.topic_id = topic.id").
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Where("repo_topic.repo_id = ?", repoID).Desc("topic.repo_count").Find(&topicNames); err != nil {
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return err
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}
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log.Info("Updating 'topics' field for repository with id = %v", repoID)
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if _, err := sess.ID(repoID).Cols("topics").
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Update(&models.Repository{Topics: topicNames}); err != nil {
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Update(&Repository{Topics: topicNames}); err != nil {
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return err
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}
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}
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@ -26,7 +26,7 @@ var topicPattern = regexp.MustCompile(`^[a-z0-9][a-z0-9-]*$`)
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// Topic represents a topic of repositories
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type Topic struct {
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ID int64
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Name string `xorm:"unique"`
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Name string `xorm:"UNIQUE"`
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RepoCount int
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CreatedUnix util.TimeStamp `xorm:"INDEX created"`
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UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
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@ -34,8 +34,8 @@ type Topic struct {
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// RepoTopic represents associated repositories and topics
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type RepoTopic struct {
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RepoID int64 `xorm:"unique(s)"`
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TopicID int64 `xorm:"unique(s)"`
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RepoID int64 `xorm:"UNIQUE(s)"`
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TopicID int64 `xorm:"UNIQUE(s)"`
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}
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// ErrTopicNotExist represents an error that a topic is not exist
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@ -190,10 +190,10 @@ func SaveTopics(repoID int64, topicNames ...string) error {
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}
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}
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topicNames = topicNames[:0]
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topicNames = make([]string, 0, 25)
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if err := sess.Table("topic").Cols("name").
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Join("INNER", "repo_topic", "topic.id = repo_topic.topic_id").
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Where("repo_topic.repo_id = ?", repoID).Find(&topicNames); err != nil {
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Join("INNER", "repo_topic", "repo_topic.topic_id = topic.id").
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Where("repo_topic.repo_id = ?", repoID).Desc("topic.repo_count").Find(&topicNames); err != nil {
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return err
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}
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