36 lines
1011 B
PHP
36 lines
1011 B
PHP
<?php
|
|
declare(strict_types=1);
|
|
|
|
use Migrations\AbstractMigration;
|
|
|
|
final class UniqueUserNames extends AbstractMigration
|
|
{
|
|
/**
|
|
* Change Method.
|
|
*
|
|
* Write your reversible migrations using this method.
|
|
*
|
|
* More information on writing migrations is available here:
|
|
* https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
|
|
*
|
|
* Remember to call "create()" or "update()" and NOT "save()" when working
|
|
* with the Table class.
|
|
*/
|
|
public function change(): void
|
|
{
|
|
$table = $this->table('users');
|
|
$exists = $table->hasIndexByName('users', 'username');
|
|
$this->execute('DELETE FROM users WHERE id NOT IN (SELECT MIN(id) FROM (select * from users) AS u2 GROUP BY LOWER(u2.username));');
|
|
if (!$exists) {
|
|
$table->addIndex(
|
|
[
|
|
'username'
|
|
],
|
|
[
|
|
'unique' => true
|
|
]
|
|
)->save();
|
|
}
|
|
}
|
|
}
|