if ( !wfMkdirParents( $dir, null, __METHOD__ ) ) {
$this->output( "RENAME FAILED, COULD NOT CREATE $dir" );
$db->rollback( __METHOD__ );
if ( !wfMkdirParents( $dir, null, __METHOD__ ) ) {
$this->output( "RENAME FAILED, COULD NOT CREATE $dir" );
$db->rollback( __METHOD__ );