Have a look at unique_together: Django | Model Meta options | Django documentation http://docs.djangoproject.com/en/dev/ref/models/options/
Jump to unique_together‎: Options.unique_together¶. Sets of field names that, ... For convenience, unique_together can be a single list when dealing ... docs.djangoproject.com/en/dev/ref/models/options/ Labeled Latest docs 1.0 docs All docs -----Original Message----- From: django-users@googlegroups.com [mailto:django-users@googlegroups.com] On Behalf Of Jaroslav Dobrek Sent: 26 January 2011 14:26 To: Django users Subject: Re: forbid clones > > http://docs.djangoproject.com/en/1.2/ref/models/fields/#unique Although this does help, it leaves one question open: How can we forbid only such pairs of objects that have the same value in all of their attributes. Example: This should be allowed: car1: manufacturer = "foo", name = "bar" car2: manufacturer = "foo", name = "baz" This should not be allowed: car1: manufacturer = "foo", name = "bar" car2: manufacturer = "foo", name = "bar" -- 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. -- 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.