具有嵌套“SELECT WHERE”的Codeigniter活动记录

Question

我想知道Active Record中是否有任何方法可以创建一个嵌套WHERE案例的查询，如：

SELECT * FROM Users WHERE FirstName = 'John' AND (LastName = 'Smith' OR LastName = 'Jones');

Answer 1

是的，您可以使用where()功能

$this->db->select('*');
$this->db->from('Users ');
$this->db->where("FirstName = 'John'");
$this->db->where(" (LastName = 'Smith' OR LastName = 'Jones') ");
$result=$this->db->get();

Active Record

Answer 2

您需要传递WHERE子句才能执行此操作。

$this->db->where("FirstName = 'John' AND (LastName = 'Smith' OR LastName = 'Jones')");