vikunja-api/pkg/migration/20200515172220.go

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// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package migration
import (
"code.vikunja.io/api/pkg/config"
"src.techknowlogick.com/xormigrate"
"xorm.io/xorm"
)
type task20200515172220 struct {
ID int64 `xorm:"int(11) autoincr not null unique pk"`
Title string `xorm:"varchar(250) null"`
Text string `xorm:"varchar(250) not null"`
}
func (t *task20200515172220) TableName() string {
return "tasks"
}
// We can't do the migration if the title column is not null but has a default value of null,
// so we initialize it as null and change it after migrating.
type task20200515172221 struct {
Title string `xorm:"varchar(250) not null"`
}
func (t *task20200515172221) TableName() string {
return "tasks"
}
func init() {
migrations = append(migrations, &xormigrate.Migration{
ID: "20200515172220",
Description: "Change task text to title",
Migrate: func(tx *xorm.Engine) error {
err := tx.Sync2(task20200515172220{})
if err != nil {
return err
}
tasks := []*task20200515172220{}
err = tx.Find(&tasks)
if err != nil {
return err
}
for _, task := range tasks {
task.Title = task.Text
_, err = tx.Where("id = ?", task.ID).Update(task)
if err != nil {
return err
}
}
err = tx.Sync2(task20200515172221{})
if err != nil {
return err
}
// sqlite is not able to drop columns. To have inserting new tasks still work, we drop the column manually.
if config.DatabaseType.GetString() == "sqlite" {
_, err = tx.Exec(`
create table tasks_dg_tmp
(
id INTEGER not null
primary key autoincrement,
description TEXT,
done INTEGER,
done_at_unix INTEGER,
due_date_unix INTEGER,
created_by_id INTEGER not null,
list_id INTEGER not null,
repeat_after INTEGER,
priority INTEGER,
start_date_unix INTEGER,
end_date_unix INTEGER,
hex_color TEXT,
percent_done REAL,
"index" INTEGER default 0 not null,
uid TEXT,
created INTEGER not null,
updated INTEGER not null,
bucket_id INTEGER,
position REAL,
title TEXT
);
insert into tasks_dg_tmp(id, description, done, done_at_unix, due_date_unix, created_by_id, list_id, repeat_after, priority, start_date_unix, end_date_unix, hex_color, percent_done, "index", uid, created, updated, bucket_id, position, title) select id, description, done, done_at_unix, due_date_unix, created_by_id, list_id, repeat_after, priority, start_date_unix, end_date_unix, hex_color, percent_done, "index", uid, created, updated, bucket_id, position, title from tasks;
drop table tasks;
alter table tasks_dg_tmp rename to tasks;
create unique index tasks_id_uindex
on tasks (id);
`)
return err
}
return dropTableColum(tx, "tasks", "text")
},
Rollback: func(tx *xorm.Engine) error {
return nil
},
})
}