max id

public function tampil_sementara(){
	$max = $this->db->query("SELECT MAX(id_detil)FROM detil_km");
	$this->db->join('tb_type_kendaraan t','t.id_type=d.id_type','left');
	$this->db->join('tb_kendaraan k','k.id_kendaraan=d.id_kendaraan','left');
	$this->db->where('d.status_km',0);
	$this->db->where('d.id_detil',$max);
	$query=$this->db->get('detil_km d');
	return $query;
}