mirror of
https://github.com/go-gitea/gitea
synced 2024-12-18 14:34:07 +01:00
d87dbd7519
* Handle MSSQL constraints Signed-off-by: Andrew Thornton <art27@cantab.net> * Update models/migrations/v145.go * Prevent hang with Sync2 * Agh it's uniques not indexes * Let us try a different way of finding constraints on the language column Signed-off-by: Andrew Thornton <art27@cantab.net> * minor simplification Signed-off-by: Andrew Thornton <art27@cantab.net> * Try drop index instead? Signed-off-by: Andrew Thornton <art27@cantab.net>
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
// 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 (
|
|
"fmt"
|
|
|
|
"code.gitea.io/gitea/modules/setting"
|
|
|
|
"xorm.io/xorm"
|
|
)
|
|
|
|
func increaseLanguageField(x *xorm.Engine) error {
|
|
type LanguageStat struct {
|
|
RepoID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
|
|
Language string `xorm:"VARCHAR(50) UNIQUE(s) INDEX NOT NULL"`
|
|
}
|
|
|
|
if err := x.Sync2(new(LanguageStat)); err != nil {
|
|
return err
|
|
}
|
|
|
|
if setting.Database.UseSQLite3 {
|
|
// SQLite maps VARCHAR to TEXT without size so we're done
|
|
return nil
|
|
}
|
|
|
|
// need to get the correct type for the new column
|
|
inferredTable, err := x.TableInfo(new(LanguageStat))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
column := inferredTable.GetColumn("language")
|
|
sqlType := x.Dialect().SQLType(column)
|
|
|
|
sess := x.NewSession()
|
|
defer sess.Close()
|
|
if err := sess.Begin(); err != nil {
|
|
return err
|
|
}
|
|
|
|
switch {
|
|
case setting.Database.UseMySQL:
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat MODIFY COLUMN language %s", sqlType)); err != nil {
|
|
return err
|
|
}
|
|
case setting.Database.UseMSSQL:
|
|
// Yet again MSSQL just has to be awkward.
|
|
// Here we have to drop the constraints first and then rebuild them
|
|
constraints := make([]string, 0)
|
|
if err := sess.SQL(`SELECT i.name AS Name
|
|
FROM sys.indexes i INNER JOIN sys.index_columns ic
|
|
ON i.index_id = ic.index_id AND i.object_id = ic.object_id
|
|
INNER JOIN sys.tables AS t
|
|
ON t.object_id = i.object_id
|
|
INNER JOIN sys.columns c
|
|
ON t.object_id = c.object_id AND ic.column_id = c.column_id
|
|
WHERE t.name = 'language_stat' AND c.name = 'language'`).Find(&constraints); err != nil {
|
|
return fmt.Errorf("Find constraints: %v", err)
|
|
}
|
|
for _, constraint := range constraints {
|
|
if _, err := sess.Exec(fmt.Sprintf("DROP INDEX [%s] ON `language_stat`", constraint)); err != nil {
|
|
return fmt.Errorf("Drop table `language_stat` constraint `%s`: %v", constraint, err)
|
|
}
|
|
}
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat ALTER COLUMN language %s", sqlType)); err != nil {
|
|
return err
|
|
}
|
|
// Finally restore the constraint
|
|
if err := sess.CreateUniques(new(LanguageStat)); err != nil {
|
|
return err
|
|
}
|
|
case setting.Database.UsePostgreSQL:
|
|
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat ALTER COLUMN language TYPE %s", sqlType)); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return sess.Commit()
|
|
}
|