78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\db\migration\data\v31x;
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class remove_duplicate_migrations extends \phpbb\db\migration\migration
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{
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static public function depends_on()
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{
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return array('\phpbb\db\migration\data\v31x\v3110');
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}
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public function update_data()
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{
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return array(
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array('custom', array(array($this, 'deduplicate_entries'))),
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);
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}
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public function deduplicate_entries()
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{
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$migration_state = array();
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$duplicate_migrations = array();
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$sql = "SELECT *
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FROM " . $this->table_prefix . 'migrations';
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$result = $this->db->sql_query($sql);
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if (!$this->db->get_sql_error_triggered())
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{
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while ($migration = $this->db->sql_fetchrow($result))
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{
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$migration_state[$migration['migration_name']] = $migration;
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$migration_state[$migration['migration_name']]['migration_depends_on'] = unserialize($migration['migration_depends_on']);
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}
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}
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$this->db->sql_freeresult($result);
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foreach ($migration_state as $name => $migration)
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{
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$prepended_name = ($name[0] == '\\' ? '' : '\\') . $name;
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$prefixless_name = $name[0] == '\\' ? substr($name, 1) : $name;
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if ($prepended_name != $name && isset($migration_state[$prepended_name]) && $migration_state[$prepended_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
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{
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$duplicate_migrations[] = $name;
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unset($migration_state[$prepended_name]);
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}
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else if ($prefixless_name != $name && isset($migration_state[$prefixless_name]) && $migration_state[$prefixless_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
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{
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$duplicate_migrations[] = $prefixless_name;
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unset($migration_state[$prefixless_name]);
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}
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}
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if (count($duplicate_migrations))
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{
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$sql = 'DELETE
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FROM ' . $this->table_prefix . 'migrations
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WHERE ' . $this->db->sql_in_set('migration_name', $duplicate_migrations);
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$this->db->sql_query($sql);
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}
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}
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}
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