// Produces: LIMIT 20, 10 (in MySQL. Other databases have slightly different syntax)
$this->db->limit(10, 20);
$this->db->limit(10); // Produces: LIMIT 10

$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);	$query =$this->db->get();	if ($query->num_rows()) {	return $query->result_array();	} else {	return 0;	}