Hi Roman,
Il giorno mer, 14/07/2010 alle 10.54 +0200, Roman Chyla ha scritto:
> Correct me someone if I am wrong, but not using foreign keys is not
> that uncommon in many CMSs (though special indices are often created,
> not only those for PRIMARY and UNIQUE keys as in Invenio). I don't
> believe constraints are maintained by Python (how could they be,
> unless one uses some object relational mapper like sqlalchemy?) and
in my answer I have understood that "constrained maintained by Python"
means enforced by the Invenio Python code. That's actually what we do
most of the time.
Cheers,
Sam
--
Samuele Kaplun
Invenio Developer ** <http://invenio-software.org/>
