package Doc::NodeVersion;
use base 'Doc::DBI';

__PACKAGE__->table('nodeversions');
__PACKAGE__->columns(Primary => qw/vid/);
__PACKAGE__->columns(Essential => qw/nid date author source mimetype extension/);
__PACKAGE__->columns(Others => qw/content/); ### Make sure the content is not retrieved unneccessary
__PACKAGE__->has_a(author => 'Doc::User');
__PACKAGE__->has_a(nid => 'Doc::Node');
__PACKAGE__->autoupdate(1);

...

1;