diff options
Diffstat (limited to 'models.py')
| -rw-r--r-- | models.py | 11 | 
1 files changed, 6 insertions, 5 deletions
| @@ -31,7 +31,6 @@ class SlugModel(models.Model):          super(SlugModel, self).save(*args, **kwargs) -      class Meta:          abstract = True @@ -106,11 +105,13 @@ class GroupManager(Manager):                                            source=group.source)      def get_relevant_groups(self, start, **criteria): -        courses = Course.objects.filter(groups=OuterRef("pk"), begin__gte=start) \ +        courses = Course.objects.filter(groups=OuterRef("pk"), +                                        begin__gte=start) \                                  .only("pk")[:1] -        return self.get_queryset().annotate(c=Subquery(courses, -                                                       output_field=models.IntegerField())) \ -                                  .filter(c__isnull=False, **criteria).order_by("name") +        return self.get_queryset() \ +                   .annotate(c=Subquery(courses, +                                        output_field=models.IntegerField())) \ +                   .filter(c__isnull=False, **criteria).order_by("name")  class Group(SlugModel): | 
