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| <?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\v31x; | |
| class remove_duplicate_migrations extends \phpbb\db\migration\migration | |
| { | |
| static public function depends_on() | |
| { | |
| return array('\phpbb\db\migration\data\v31x\v3110'); | |
| } | |
| public function update_data() | |
| { | |
| return array( | |
| array('custom', array(array($this, 'deduplicate_entries'))), | |
| ); | |
| } | |
| public function deduplicate_entries() | |
| { | |
| $migration_state = array(); | |
| $duplicate_migrations = array(); | |
| $sql = "SELECT * | |
| FROM " . $this->table_prefix . 'migrations'; | |
| $result = $this->db->sql_query($sql); | |
| if (!$this->db->get_sql_error_triggered()) | |
| { | |
| while ($migration = $this->db->sql_fetchrow($result)) | |
| { | |
| $migration_state[$migration['migration_name']] = $migration; | |
| $migration_state[$migration['migration_name']]['migration_depends_on'] = unserialize($migration['migration_depends_on']); | |
| } | |
| } | |
| $this->db->sql_freeresult($result); | |
| foreach ($migration_state as $name => $migration) | |
| { | |
| $prepended_name = ($name[0] == '\\' ? '' : '\\') . $name; | |
| $prefixless_name = $name[0] == '\\' ? substr($name, 1) : $name; | |
| if ($prepended_name != $name && isset($migration_state[$prepended_name]) && $migration_state[$prepended_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on']) | |
| { | |
| $duplicate_migrations[] = $name; | |
| unset($migration_state[$prepended_name]); | |
| } | |
| else if ($prefixless_name != $name && isset($migration_state[$prefixless_name]) && $migration_state[$prefixless_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on']) | |
| { | |
| $duplicate_migrations[] = $prefixless_name; | |
| unset($migration_state[$prefixless_name]); | |
| } | |
| } | |
| if (count($duplicate_migrations)) | |
| { | |
| $sql = 'DELETE | |
| FROM ' . $this->table_prefix . 'migrations | |
| WHERE ' . $this->db->sql_in_set('migration_name', $duplicate_migrations); | |
| $this->db->sql_query($sql); | |
| } | |
| } | |
| } |