<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\migration\data\v32x;
class user_notifications_table_unique_index extends \phpbb\db\migration\migration
{
static public function depends_on()
{
return array(
'\phpbb\db\migration\data\v32x\user_notifications_table_remove_duplicates',
);
}
public function update_schema()
{
return array(
'drop_keys' => array(
$this->table_prefix . 'user_notifications' => array(
'itm_usr_mthd',
),
),
'add_unique_index' => array(
$this->table_prefix . 'user_notifications' => array(
'itm_usr_mthd' => array('item_type', 'item_id', 'user_id', 'method'),
),
),
);
}
public function revert_schema()
{
return array(
'drop_keys' => array(
$this->table_prefix . 'user_notifications' => array(
'itm_usr_mthd',
),
),
);
}
}