<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Migration_Add_po_budget_account extends CI_Migration
{
 public function up(){if(!$this->db->field_exists('budget_account_id','purchase_order_lines'))$this->db->query('ALTER TABLE purchase_order_lines ADD budget_account_id INT NULL');}
 public function down(){throw new RuntimeException('Gunakan backup untuk rollback budget PO.');}
}