View file app/database/migrations/20161216120637_create_lotinfo_table.php

<?php

use Phinx\Migration\AbstractMigration;
use Phinx\Db\Adapter\MysqlAdapter;

class CreateLotinfoTable extends AbstractMigration
{
    /**
     * Change Method.
     */
    public function change()
    {
        $table = $this->table('lotinfo', ['collation' => 'utf8mb4_unicode_ci']);
        $table->addColumn('date', 'integer', ['limit' => MysqlAdapter::INT_SMALL, 'signed' => false])
            ->addColumn('sum', 'integer', ['signed' => false, 'default' => 0])
            ->addColumn('newnum', 'integer', ['limit' => MysqlAdapter::INT_SMALL, 'signed' => false, 'default' => 0])
            ->addColumn('oldnum', 'integer', ['limit' => MysqlAdapter::INT_SMALL, 'signed' => false, 'default' => 0])
            ->addColumn('winners', 'string', ['null' => true])
            ->create();
    }
}