forgejo/models/migrations/v143.go

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// 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 (
"code.gitea.io/gitea/modules/log"
"xorm.io/xorm"
)
func recalculateStars(x *xorm.Engine) (err error) {
// because of issue https://github.com/go-gitea/gitea/issues/11949,
// recalculate Stars number for all users to fully fix it.
type User struct {
ID int64 `xorm:"pk autoincr"`
}
const batchSize = 100
sess := x.NewSession()
defer sess.Close()
for start := 0; ; start += batchSize {
users := make([]User, 0, batchSize)
if err = sess.Limit(batchSize, start).Where("type = ?", 0).Cols("id").Find(&users); err != nil {
return
}
if len(users) == 0 {
break
}
if err = sess.Begin(); err != nil {
return
}
for _, user := range users {
if _, err = sess.Exec("UPDATE `user` SET num_stars=(SELECT COUNT(*) FROM `star` WHERE uid=?) WHERE id=?", user.ID, user.ID); err != nil {
return
}
}
if err = sess.Commit(); err != nil {
return
}
}
log.Debug("recalculate Stars number for all user finished")
return
}