[Zope-dev] Patching object class
Florent Guillaume
fg@nuxeo.com
Fri, 20 Jun 2003 18:55:05 +0200
Paul Winkler wrote:
>>To do that, I envisionned finding all thoses objects and doing
>>
>> ob.__class__ = OrderedFolder
>> ob._p_changed = 1
>>
>>Would this work ?
>
> See the thread "Renaming a product" just a few days ago.
> The conclusion was that this would not work.
Ok, but I'm curious about the deeper reason. Why is the class given a
special treatment in the ZODB ? If an object has changed, it has to be
re-dumped to storage, and I guess this includes its class. Or is the
class used as metadata somewhere along the oid ?
Florent
--
Florent Guillaume, Nuxeo (Paris, France)
+33 1 40 33 79 87 http://nuxeo.com mailto:fg@nuxeo.com