id => { data_type => 'integer', is_auto_increment => 1 },
starts_at => { data_type => 'datetime', timezone => "America/Chicago", locale => 'de_DE' },
created_on => { data_type => 'timestamp with time zone', timezone => "America/Chicago" },
+ ts_without_tz => { data_type => 'timestamp without time zone' },
);
__PACKAGE__->set_primary_key('id');