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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package db
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import (
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"context"
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"fmt"
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"regexp"
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"github.com/hanzoai/git/modules/setting"
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)
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// CountBadSequences looks for broken sequences from recreate-table mistakes
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func CountBadSequences(_ context.Context) (int64, error) {
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if !setting.Database.Type.IsPostgreSQL() {
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return 0, nil
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}
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sess := xormEngine.NewSession()
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defer sess.Close()
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var sequences []string
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schema := xormEngine.Dialect().URI().Schema
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sess.Engine().SetSchema("")
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if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE 'tmp_recreate__%_id_seq%' AND sequence_catalog = ?", setting.Database.Name).Find(&sequences); err != nil {
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return 0, err
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}
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sess.Engine().SetSchema(schema)
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return int64(len(sequences)), nil
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}
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// FixBadSequences fixes for broken sequences from recreate-table mistakes
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func FixBadSequences(_ context.Context) error {
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if !setting.Database.Type.IsPostgreSQL() {
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return nil
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}
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sess := xormEngine.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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var sequences []string
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schema := sess.Engine().Dialect().URI().Schema
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sess.Engine().SetSchema("")
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if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE 'tmp_recreate__%_id_seq%' AND sequence_catalog = ?", setting.Database.Name).Find(&sequences); err != nil {
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return err
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}
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sess.Engine().SetSchema(schema)
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sequenceRegexp := regexp.MustCompile(`tmp_recreate__(\w+)_id_seq.*`)
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for _, sequence := range sequences {
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tableName := sequenceRegexp.FindStringSubmatch(sequence)[1]
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newSequenceName := tableName + "_id_seq"
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if _, err := sess.Exec(fmt.Sprintf("ALTER SEQUENCE `%s` RENAME TO `%s`", sequence, newSequenceName)); err != nil {
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return err
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}
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if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', COALESCE((SELECT MAX(id)+1 FROM `%s`), 1), false)", newSequenceName, tableName)); err != nil {
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return err
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}
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}
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return sess.Commit()
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}
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