* @author Roan Kattouw
*/
+use MediaWiki\MediaWikiServices;
+use Wikimedia\Rdbms\IDatabase;
+
require_once __DIR__ . '/Maintenance.php';
/**
parent::__construct();
$this->addDescription(
'Remove cache entries for removed ResourceLoader modules from the database' );
- $this->addOption( 'batchsize', 'Delete rows in batches of this size. Default: 500', false, true );
+ $this->setBatchSize( 500 );
}
public function execute() {
+ $this->output( "Cleaning up module_deps table...\n" );
+
$dbw = $this->getDB( DB_MASTER );
- $rl = new ResourceLoader( ConfigFactory::getDefaultInstance()->makeConfig( 'main' ) );
+ $rl = new ResourceLoader( MediaWikiServices::getInstance()->getMainConfig() );
$moduleNames = $rl->getModuleNames();
- $moduleList = implode( ', ', array_map( [ $dbw, 'addQuotes' ], $moduleNames ) );
- $limit = max( 1, intval( $this->getOption( 'batchsize', 500 ) ) );
+ $res = $dbw->select( 'module_deps',
+ [ 'md_module', 'md_skin' ],
+ $moduleNames ? 'md_module NOT IN (' . $dbw->makeList( $moduleNames ) . ')' : '1=1',
+ __METHOD__
+ );
+ $rows = iterator_to_array( $res, false );
- $this->output( "Cleaning up module_deps table...\n" );
- $i = 1;
$modDeps = $dbw->tableName( 'module_deps' );
- do {
- // $dbw->delete() doesn't support LIMIT :(
- $where = $moduleList ? "md_module NOT IN ($moduleList)" : '1=1';
- $dbw->query( "DELETE FROM $modDeps WHERE $where LIMIT $limit", __METHOD__ );
+ $i = 1;
+ foreach ( array_chunk( $rows, $this->mBatchSize ) 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++;
- wfWaitForSlaves();
- } while ( $numRows > 0 );
- $this->output( "done\n" );
+ }
+
+ $this->output( "Done\n" );
}
}
-$maintClass = "CleanupRemovedModules";
+$maintClass = 'CleanupRemovedModules';
require_once RUN_MAINTENANCE_IF_MAIN;