__PACKAGE__->load_components( 'PK::Auto', 'Core' );
__PACKAGE__->table('t');
__PACKAGE__->add_columns(
    'i',
    {
        data_type     => 'integer',
        default_value => 3,
        is_nullable   => 0,
        size          => 4,
    },
    'x',
    {
        data_type     => 'character varying',
        default_value => undef,
        is_nullable   => 1,
        size          => 255,
    },
);