Decrease the num_stars when deleting a repo (#11954)
* Decrease the num_stars when deleting a repo fix #11949 Signed-off-by: a1012112796 <1012112796@qq.com> * Add migration * use batch * Apply suggestions from code review Co-authored-by: Lauris BH <lauris@nix.lv> * fix lint * fix lint * fix ci * fix ci2 * add doctor * duplicate code * fix migration * fix some nits * add start Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>tokarchuk/v1.17
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// 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/log" |
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"xorm.io/xorm" |
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) |
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func recalculateStars(x *xorm.Engine) (err error) { |
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// because of issue https://github.com/go-gitea/gitea/issues/11949,
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// recalculate Stars number for all users to fully fix it.
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type User struct { |
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ID int64 `xorm:"pk autoincr"` |
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} |
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const batchSize = 100 |
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sess := x.NewSession() |
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defer sess.Close() |
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for start := 0; ; start += batchSize { |
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users := make([]User, 0, batchSize) |
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if err = sess.Limit(batchSize, start).Where("type = ?", 0).Cols("id").Find(&users); err != nil { |
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return |
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} |
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if len(users) == 0 { |
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break |
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} |
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if err = sess.Begin(); err != nil { |
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return |
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} |
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for _, user := range users { |
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if _, err = sess.Exec("UPDATE `user` SET num_stars=(SELECT COUNT(*) FROM `star` WHERE uid=?) WHERE id=?", user.ID, user.ID); err != nil { |
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return |
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} |
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} |
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if err = sess.Commit(); err != nil { |
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return |
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} |
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} |
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log.Debug("recalculate Stars number for all user finished") |
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return |
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} |
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