On 09/24/2010 07:03 AM, Jim Fulton wrote: > On Fri, Sep 24, 2010 at 4:17 AM, César Muñoz<xcum...@gmail.com> wrote: >> Hello Marius, >> >> thank you so much for your quick answer! I'll give it a try implementing >> these methods and will get back to you with the result. >> But anyway, the Chatroom class is inheriting from Persistent, I thought this >> base class provided some basic comparison methods... > > It does. That's the problem. It would be better if it didn't and > insertion failed. The methods it provides are inherited from object > and compare based on object address, which completely inappropriate > for persistent objects.
+1, FWIW. Shane _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev