On Mar 30, 2011, at 9:47 AM, Calvin Spealman wrote: > I think your best bet is > > MyModel.objects.filter(some_field__in=ok_values).count() == len(ok_values) > > On Wed, Mar 30, 2011 at 12:44 PM, dmitry b <dmitry.ma...@gmail.com> wrote: >> Hi, >> >> is there a way to check in bulk for record existence and get back a >> map of results similar to what's returned by in_bulk(). In my case, I >> need to look up records by a unique field which is not the primary key >> and I don't want object instances back, just true or false.
You could use values_list and flat as in: User.objects.filter(username__in =['jason', 'was', 'here']).values_list('username', flat=True) returns a list: [u'jason', u'was'] After that you can figure out the best way to perform the lookup. Jason >> >> >> Thanks >> Dmitry -- 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.