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1 | <?php |
2 | /** |
3 | * Remove cache entries for removed ResourceLoader modules from the database. |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License along |
16 | * with this program; if not, write to the Free Software Foundation, Inc., |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
18 | * http://www.gnu.org/copyleft/gpl.html |
19 | * |
20 | * @file |
21 | * @ingroup Maintenance |
22 | * @author Roan Kattouw |
23 | */ |
24 | |
25 | use Wikimedia\Rdbms\IDatabase; |
26 | |
27 | require_once __DIR__ . '/Maintenance.php'; |
28 | |
29 | /** |
30 | * Maintenance script to remove cache entries for removed ResourceLoader modules |
31 | * from the database. |
32 | * |
33 | * @ingroup Maintenance |
34 | */ |
35 | class CleanupRemovedModules extends Maintenance { |
36 | |
37 | public function __construct() { |
38 | parent::__construct(); |
39 | $this->addDescription( |
40 | 'Remove cache entries for removed ResourceLoader modules from the database' ); |
41 | $this->setBatchSize( 500 ); |
42 | } |
43 | |
44 | public function execute() { |
45 | $this->output( "Cleaning up module_deps table...\n" ); |
46 | |
47 | $dbw = $this->getPrimaryDB(); |
48 | $rl = $this->getServiceContainer()->getResourceLoader(); |
49 | $moduleNames = $rl->getModuleNames(); |
50 | $res = $dbw->newSelectQueryBuilder() |
51 | ->select( [ 'md_module', 'md_skin' ] ) |
52 | ->from( 'module_deps' ) |
53 | ->where( $moduleNames ? 'md_module NOT IN (' . $dbw->makeList( $moduleNames ) . ')' : '1=1' ) |
54 | ->caller( __METHOD__ ) |
55 | ->fetchResultSet(); |
56 | $rows = iterator_to_array( $res, false ); |
57 | |
58 | $modDeps = $dbw->tableName( 'module_deps' ); |
59 | $i = 1; |
60 | foreach ( array_chunk( $rows, $this->getBatchSize() ) as $chunk ) { |
61 | // WHERE ( mod=A AND skin=A ) OR ( mod=A AND skin=B) .. |
62 | $conds = array_map( static function ( stdClass $row ) use ( $dbw ) { |
63 | return $dbw->makeList( (array)$row, IDatabase::LIST_AND ); |
64 | }, $chunk ); |
65 | $conds = $dbw->makeList( $conds, IDatabase::LIST_OR ); |
66 | |
67 | $this->beginTransaction( $dbw, __METHOD__ ); |
68 | $dbw->query( "DELETE FROM $modDeps WHERE $conds", __METHOD__ ); |
69 | $numRows = $dbw->affectedRows(); |
70 | $this->output( "Batch $i: $numRows rows\n" ); |
71 | $this->commitTransaction( $dbw, __METHOD__ ); |
72 | |
73 | $i++; |
74 | } |
75 | |
76 | $this->output( "Done\n" ); |
77 | } |
78 | } |
79 | |
80 | $maintClass = CleanupRemovedModules::class; |
81 | require_once RUN_MAINTENANCE_IF_MAIN; |