Great, but that wasn't exactly what I was looking for. What I need is a way to get the right instances from a *single* query.
This means that I should do LEFT JOINS on direct subclasses of the base class. What I need to know is if this is somehow possible without editing the Django core, but using some signals ore something else. Or if this is planned for some future release. I need to do something like this: http://groups.google.com/group/django-users/browse_thread/thread/2d1c286b37a153d3 Thanks in advance ;) Andrea On Aug 23, 3:06 pm, Marc Fargas <teleni...@telenieko.com> wrote: > On Sun, Aug 23, 2009 at 1:54 PM, Andrea Zilio <m.ep...@gmail.com> wrote: > > > So seems that this idea was in fact rejected because of the O(# of > > nodes in the inheritance tree) joins > > needed to get all the fields from subclass tables. > > You may want to loook at Alex's post on the > subject:http://lazypython.blogspot.com/2009/02/second-look-at-inheritance-and... > a solution to apply on your own projects. > > Note that his code was written before Malcolm wrote proxy classes, Alex's > code could now be improved to not query the subclasses but return proxy > classes to them effectively avoiding the O(#..) queries untill you try to > access subclass data ;) > > Regards, > Marc --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django developers" group. To post to this group, send email to django-developers@googlegroups.com To unsubscribe from this group, send email to django-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-developers?hl=en -~----------~----~----~----~------~----~------~--~---
