On 2 Gru, 16:45, Thomas Guettler <[EMAIL PROTECTED]> wrote: > Hi, > > I want to get all objects where the corresponding many-to-many field is > empty. > > Example: get all users without a group [...]
The preferred solution is using the `isnull` filter: User.objects.filter(groups__isnull=True) It evaluates to a left join of the `auth_user` table with `auth_user_groups` and a simple `where` statement. fw --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
