1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253 |
- // Copyright 2021 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package v1_14 //nolint
-
- import (
- "fmt"
- "regexp"
-
- "code.gitea.io/gitea/modules/log"
- "code.gitea.io/gitea/modules/setting"
-
- "xorm.io/xorm"
- )
-
- func FixPostgresIDSequences(x *xorm.Engine) error {
- if !setting.Database.Type.IsPostgreSQL() {
- return nil
- }
-
- sess := x.NewSession()
- defer sess.Close()
- if err := sess.Begin(); err != nil {
- return err
- }
-
- var sequences []string
- schema := sess.Engine().Dialect().URI().Schema
-
- sess.Engine().SetSchema("")
- 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 {
- log.Error("Unable to find sequences: %v", err)
- return err
- }
- sess.Engine().SetSchema(schema)
-
- sequenceRegexp := regexp.MustCompile(`tmp_recreate__(\w+)_id_seq.*`)
-
- for _, sequence := range sequences {
- tableName := sequenceRegexp.FindStringSubmatch(sequence)[1]
- newSequenceName := tableName + "_id_seq"
- if _, err := sess.Exec(fmt.Sprintf("ALTER SEQUENCE `%s` RENAME TO `%s`", sequence, newSequenceName)); err != nil {
- log.Error("Unable to rename %s to %s. Error: %v", sequence, newSequenceName, err)
- return err
- }
- if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', COALESCE((SELECT MAX(id)+1 FROM `%s`), 1), false)", newSequenceName, tableName)); err != nil {
- log.Error("Unable to reset sequence %s for %s. Error: %v", newSequenceName, tableName, err)
- return err
- }
- }
-
- return sess.Commit()
- }
|