$this->doRefreshLinks( $start, $new, $end, $redir, $oldRedir );
$this->deleteLinksFromNonexistent( null, null, $this->mBatchSize, $dfnChunkSize );
} else {
$this->doRefreshLinks( $start, $new, $end, $redir, $oldRedir );
$this->deleteLinksFromNonexistent( null, null, $this->mBatchSize, $dfnChunkSize );
} else {