<?php
defined('BASEPATH') or exit('No direct script access allowed');
class Migration_add_userid_to_api extends CI_Migration
{
public function up()
$fields = array(
'user_id BIGINT(20) DEFAULT NULL',
);
if (!$this->db->field_exists('user_id', 'api')) {
$this->dbforge->add_column('api', $fields);
}
public function down()
$this->dbforge->drop_column('api', 'user_id');