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