class Far_Access_Users extends Zend_Db_Table_Abstract {

	protected $_name = 'users';
	protected $_primary = 'iduser';
	protected $_sequence = true;


public function getById($id)
	{
		$select  = $this->select()->where('iduser = ?', $id);
		$row = $this->fetchRow($select);
		var_dump($row); exit;


	}

}

print $select->__toString();

SELECT `users`.* FROM `users` WHERE (iduser = '1');
| iduser | login  | senha | nome  | email                   | estado |
+----------+--------+-------+-------+-------------------------+--------+
|        1 | me | dude  | Andre | mymail@xxxop.pt | activo |
+----------+--------+-------+-------+-------------------------+--------+