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class ProjectComment(RewardBase):
user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, related_name="projects")
class User (AbstractBaseUser):
email = models.EmailField()
class Profile(models.Model):
bio = models.CharField(max_length=80)
user = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True, unique=True, related_name="profile")
Then you can fetch the users and the profiles:
projects = ProjectComment.select_related('user', 'user__profile').exclude(user__isnull=True).all()
for project in projects:
users = [user for user in project.user.all()]
And then:
for user in users:
profiles = [profile for profile in user.profile.all()]
Why do you have a unique constrain in your ForeignKey? if you need Uniquness create a OneToOneField
Source:stackexchange.com