如何设置此查询的限制
$this->User->findByFirstName('Nadim',array('User.id','User.first_name','User.last_name'));
它是sql
SELECT `User`.`id`, `User`.`first_name`, `User`.`last_name` FROM `users` AS `User` WHERE `User`.`first_name` = 'Nadim' limit 1
我想删除限制1