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<?php
/**
* Remove all cache entries for ResourceLoader modules from the database.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
* @author Timo Tijhof
*/
use Wikimedia\Rdbms\IDatabase;
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script to purge the module_deps database cache table.
*
* @ingroup Maintenance
*/
class PurgeModuleDeps extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription(
'Remove all cache entries for ResourceLoader modules from the database' );
$this->setBatchSize( 500 );
}
public function execute() {
$this->output( "Cleaning up module_deps table...\n" );
$dbw = $this->getDB( DB_MASTER );
$res = $dbw->select( 'module_deps', [ 'md_module', 'md_skin' ], [], __METHOD__ );
$rows = iterator_to_array( $res, false );
$modDeps = $dbw->tableName( 'module_deps' );
$i = 1;
foreach ( array_chunk( $rows, $this->getBatchSize() ) as $chunk ) {
// WHERE ( mod=A AND skin=A ) OR ( mod=A AND skin=B) ..
$conds = array_map( function ( stdClass $row ) use ( $dbw ) {
return $dbw->makeList( (array)$row, IDatabase::LIST_AND );
}, $chunk );
$conds = $dbw->makeList( $conds, IDatabase::LIST_OR );
$this->beginTransaction( $dbw, __METHOD__ );
$dbw->query( "DELETE FROM $modDeps WHERE $conds", __METHOD__ );
$numRows = $dbw->affectedRows();
$this->output( "Batch $i: $numRows rows\n" );
$this->commitTransaction( $dbw, __METHOD__ );
$i++;
}
$this->output( "Done\n" );
}
}
$maintClass = PurgeModuleDeps::class;
require_once RUN_MAINTENANCE_IF_MAIN;
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