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[mediawiki.git] / maintenance / cleanupRemovedModules.php
blob189c69002a6e65ba2d30e2147f91fa9a442d6df5
1 <?php
2 /**
3 * Remove cache entries for removed ResourceLoader modules from the database.
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.
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.
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
20 * @file
21 * @ingroup Maintenance
22 * @author Roan Kattouw
25 use MediaWiki\Maintenance\Maintenance;
26 use Wikimedia\Rdbms\IDatabase;
28 // @codeCoverageIgnoreStart
29 require_once __DIR__ . '/Maintenance.php';
30 // @codeCoverageIgnoreEnd
32 /**
33 * Maintenance script to remove cache entries for removed ResourceLoader modules
34 * from the database.
36 * @ingroup Maintenance
38 class CleanupRemovedModules extends Maintenance {
40 public function __construct() {
41 parent::__construct();
42 $this->addDescription(
43 'Remove cache entries for removed ResourceLoader modules from the database' );
44 $this->setBatchSize( 500 );
47 public function execute() {
48 $this->output( "Cleaning up module_deps table...\n" );
50 $dbw = $this->getPrimaryDB();
51 $rl = $this->getServiceContainer()->getResourceLoader();
52 $moduleNames = $rl->getModuleNames();
53 $res = $dbw->newSelectQueryBuilder()
54 ->select( [ 'md_module', 'md_skin' ] )
55 ->from( 'module_deps' )
56 ->where( $moduleNames ? $dbw->expr( 'md_module', '!=', $moduleNames ) : [] )
57 ->caller( __METHOD__ )
58 ->fetchResultSet();
59 $rows = iterator_to_array( $res, false );
61 $modDeps = $dbw->tableName( 'module_deps' );
62 $i = 1;
63 foreach ( array_chunk( $rows, $this->getBatchSize() ) as $chunk ) {
64 // WHERE ( mod=A AND skin=A ) OR ( mod=A AND skin=B) ..
65 $conds = array_map( static function ( stdClass $row ) use ( $dbw ) {
66 return $dbw->makeList( (array)$row, IDatabase::LIST_AND );
67 }, $chunk );
68 $conds = $dbw->makeList( $conds, IDatabase::LIST_OR );
70 $this->beginTransaction( $dbw, __METHOD__ );
71 $dbw->query( "DELETE FROM $modDeps WHERE $conds", __METHOD__ );
72 $numRows = $dbw->affectedRows();
73 $this->output( "Batch $i: $numRows rows\n" );
74 $this->commitTransaction( $dbw, __METHOD__ );
76 $i++;
79 $this->output( "Done\n" );
83 // @codeCoverageIgnoreStart
84 $maintClass = CleanupRemovedModules::class;
85 require_once RUN_MAINTENANCE_IF_MAIN;
86 // @codeCoverageIgnoreEnd