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gitea/models/migrations/v184.go
Lunny Xiao 4f98e82427
Check if column exist before rename if exist, just return with no error (#17870)
* Check if column exist before rename if exist, just return with no error

* Also check if errors column exist

* Add comment for migration

* Fix sqlite test
2021-12-02 21:17:24 +08:00

71 lines
1.6 KiB
Go

// Copyright 2021 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 (
"context"
"fmt"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func renameTaskErrorsToMessage(x *xorm.Engine) error {
type Task struct {
Errors string `xorm:"TEXT"` // if task failed, saved the error reason
Type int
Status int `xorm:"index"`
}
// This migration maybe rerun so that we should check if it has been run
messageExist, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "task", "message")
if err != nil {
return err
}
if messageExist {
errorsExist, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "task", "errors")
if err != nil {
return err
}
if !errorsExist {
return nil
}
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := sess.Sync2(new(Task)); err != nil {
return fmt.Errorf("error on Sync2: %v", err)
}
if messageExist {
// if both errors and message exist, drop message at first
if err := dropTableColumns(sess, "task", "message"); err != nil {
return err
}
}
switch {
case setting.Database.UseMySQL:
if _, err := sess.Exec("ALTER TABLE `task` CHANGE errors message text"); err != nil {
return err
}
case setting.Database.UseMSSQL:
if _, err := sess.Exec("sp_rename 'task.errors', 'message', 'COLUMN'"); err != nil {
return err
}
default:
if _, err := sess.Exec("ALTER TABLE `task` RENAME COLUMN errors TO message"); err != nil {
return err
}
}
return sess.Commit()
}