/**
* Counts rows on the table with the given clauses.
*
* @param Array $clauses
* @return void
* @author Dan Cox
*/
public function countRows(array $clauses = array())
{
$qb = $this->database->setEntity($this->entity)->queryBuilder();
$qb->select('count(u)');
$this->total = $qb->getQuery()->getSingleScalarResult();
}
