public function up(Schema $schema)
{
// this up() migration is auto-generated, please modify it to your needs
$calendarobjects = $schema->getTable('calendarobjects');
$calendarobjects->addColumn('uid', 'string', array('notnull' => false));
$schedulingobjects = $schema->createTable('schedulingobjects');
$schedulingobjects->addColumn('id', 'integer')->setAutoincrement(true);
$schedulingobjects->addColumn('principaluri', 'string', array('length' => 255, 'notnull' => false));
$schedulingobjects->addColumn('calendardata', 'text', array('notnull' => false));
$schedulingobjects->addColumn('uri', 'string', array('length' => 200, 'notnull' => false));
$schedulingobjects->addColumn('lastmodified', 'integer', array('notnull' => false));
$schedulingobjects->addColumn('etag', 'string', array('length' => 255, 'notnull' => false));
$schedulingobjects->addColumn('size', 'integer', array('notnull' => false));
$schedulingobjects->setPrimaryKey(array('id'));
}