cloudlog/application/migrations/002_add_config_table.php

<?php defined('BASEPATH') or exit('No direct script access allowed');

class Migration_add_config_table extends CI_Migration
{

        public function up()
        {
                $this->dbforge->add_field('id');

                $this->dbforge->add_field(array(
                        'lotw_download_url' => array(
                                'type' => 'VARCHAR',
                                'constraint' => 255,
                        ),
                        'lotw_upload_url' => array(
                                'type' => 'VARCHAR',
                                'constraint' => 255,
                        ),
                        'lotw_rcvd_mark' => array(
                                'type' => 'VARCHAR',
                                'constraint' => 1,
                        ),
                ));


                $this->dbforge->create_table('config');

                $data = array(
                        'lotw_download_url' => 'https://p1k.arrl.org/lotwuser/lotwreport.adi',
                        'lotw_upload_url' => 'https://p1k.arrl.org/lotwuser/upload',
                        'lotw_rcvd_mark' => 'Y'
                );

                $this->db->insert('config', $data);
        }

        public function down()
        {
                $this->dbforge->drop_table('config');
        }
}