public function down()
{
if (config('database.default') === 'mysql') {
DB::statement("ALTER TABLE deployments CHANGE status status ENUM('" . Deployment::PENDING . "', '" . Deployment::DEPLOYING . "', '" . Deployment::COMPLETED . "', '" . Deployment::FAILED . "', '" . Deployment::COMPLETED_WITH_ERRORS . "') DEFAULT '" . Deployment::PENDING . "'");
}
}