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- Veröffentlicht
- 28.08.2024
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remove_duplicate_migrations.php
01 <?php
02
03 /**
04 *
05 * This file is part of the phpBB Forum Software package.
06 *
07 * @copyright (c) phpBB Limited <https://www.phpbb.com>
08 * @license GNU General Public License, version 2 (GPL-2.0)
09 *
10 * For full copyright and license information, please see
11 * the docs/CREDITS.txt file.
12 *
13 */
14
15 namespace phpbb\db\migration\data\v31x;
16
17 class remove_duplicate_migrations extends \phpbb\db\migration\migration
18 {
19 static public function depends_on()
20 {
21 return array('\phpbb\db\migration\data\v31x\v3110');
22 }
23
24 public function update_data()
25 {
26 return array(
27 array('custom', array(array($this, 'deduplicate_entries'))),
28 );
29 }
30
31 public function deduplicate_entries()
32 {
33 $migration_state = array();
34 $duplicate_migrations = array();
35
36 $sql = "SELECT *
37 FROM " . $this->table_prefix . 'migrations';
38 $result = $this->db->sql_query($sql);
39
40 if (!$this->db->get_sql_error_triggered())
41 {
42 while ($migration = $this->db->sql_fetchrow($result))
43 {
44 $migration_state[$migration['migration_name']] = $migration;
45
46 $migration_state[$migration['migration_name']]['migration_depends_on'] = unserialize($migration['migration_depends_on']);
47 }
48 }
49
50 $this->db->sql_freeresult($result);
51
52 foreach ($migration_state as $name => $migration)
53 {
54 $prepended_name = ($name[0] == '\\' ? '' : '\\') . $name;
55 $prefixless_name = $name[0] == '\\' ? substr($name, 1) : $name;
56
57 if ($prepended_name != $name && isset($migration_state[$prepended_name]) && $migration_state[$prepended_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
58 {
59 $duplicate_migrations[] = $name;
60 unset($migration_state[$prepended_name]);
61 }
62 else if ($prefixless_name != $name && isset($migration_state[$prefixless_name]) && $migration_state[$prefixless_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
63 {
64 $duplicate_migrations[] = $prefixless_name;
65 unset($migration_state[$prefixless_name]);
66 }
67 }
68
69 if (count($duplicate_migrations))
70 {
71 $sql = 'DELETE
72 FROM ' . $this->table_prefix . 'migrations
73 WHERE ' . $this->db->sql_in_set('migration_name', $duplicate_migrations);
74 $this->db->sql_query($sql);
75 }
76 }
77 }
78