codeigneter select code example
Example 1: codeigniter where order by
$this->db->select('ae_users.employee_id, ae_users.emp_name, ae_users.emp_name2, ae_users.emp_name3');
$this->db->from('ae_users');
$this->db->where_in('ae_users.employee_id',$employee_ids);
$this->db->_protect_identifiers = FALSE;
$order = sprintf('FIELD(ae_users.employee_id, %s)', implode(', ', $employee_ids));
$this->db->order_by($order);
$this->db->_protect_identifiers = TRUE;
$query =$this->db->get();
if ($query->num_rows()) {
return $query->result_array();
} else {
return 0;
}
Example 2: where group codeigniter
$this->db->select('*')->from('my_table')
->group_start()
->where('a', 'a')
->or_group_start()
->where('b', 'b')
->where('c', 'c')
->group_end()
->group_end()
->where('d', 'd')
->get();