Thanks a lot. I'll RTFDoc next time.
At least i've learnt something and found not so clean solution using models._default_manager. :) Ales On Thu, Feb 5, 2009 at 5:01 PM, Alex Gaynor <alex.gay...@gmail.com> wrote: > > > On Thu, Feb 5, 2009 at 10:25 AM, Ales Zoulek <ales.zou...@gmail.com> wrote: >> >> Hi. >> >> Is there any way, how to easily redefine RelatedManager.get_query_set() >> method? >> >> Here is an example situation: >> >> class Table(models.Model): >> number = models.IntegerField() >> >> class Guest(models.Model): >> confirmed = models.BooleanField() >> table = models.ForeignKey(Table) >> >> objects = ConfirmedManager() >> possible = models.Manager() >> >> >> class ConfirmedManager(models.Manager): >> def get_query_set(self): >> super(ConfirmedManager, self).get_query_set().filter(confirmed=True) >> >> >> >> In that way, all queries on Guest.objects.all() will automaticly >> filter only confirmed guests (unless specified by >> Guest.possible.all()). >> That's fine. >> >> But there is the trick: >> >> table_one = Table.objects.get(number=1) >> table_one.guest_set.all() >> >> does not use the ConfirmedManager (and thus filter confirmed only >> guests), but RelatedManager, whitch I'm not able to overwrite. >> >> Is there any way to do that? Or any other kind of implicit filtering? >> >> Thanks, >> >> Ales >> >> >> >> >> PS: This is just a small examle, where the workaround to just apply >> filter on every queryset is extremely simple. But my real-world case >> is a lot bigger and more complicated, where explicit filtering on >> every RelatedManager is far from nice and easy. >> >> >> >> >> >> -- >> ------------------------------------------------------ >> Ales Zoulek >> +420 604 332 515 >> Jabber: a...@jabber.cz >> ICQ: 82647256 >> ------------------------------------------------------ >> >> > > Yes, see how it's done here: > http://docs.djangoproject.com/en/dev/topics/db/managers/#using-managers-for-related-object-access > > Alex > > -- > "I disapprove of what you say, but I will defend to the death your right to > say it." --Voltaire > "The people's good is the highest law."--Cicero > > > > -- ------------------------------------------------------ Ales Zoulek +420 604 332 515 Jabber: a...@jabber.cz ICQ: 82647256 ------------------------------------------------------ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
