Django: reference model fields from another model

Question

I have two models. What i need is to reference the name and the email field from the Users model to the Customer model fields. Is the following way correct?

class Users(AbstractBaseUser):
    name = models.CharField(max_length=200)
    email =  models.CharField(max_length=200)

from users.models import Users

class Customer(models.Model):
    user = models.OneToOneField(
        Users, on_delete=models.CASCADE, null=True, blank=True)

    name = models.OneToOneField(
        Users.name, on_delete=models.CASCADE, null=True, blank=True)

    email = models.OneToOneField(
        Users.email, on_delete=models.CASCADE, null=True, blank=True)

C14L · Accepted Answer · 2020-12-16 16:36:28Z

1

class Users(AbstractBaseUser):
    name = models.CharField(max_length=200)
    email =  models.CharField(max_length=200)
    
class Customer(models.Model):
    user = models.OneToOneField(
        Users, on_delete=models.CASCADE, null=True, blank=True)

That's all. Then you can do for example

Customer.objects.get(pk=1).user.name

answered Dec 16, 2020 at 16:36

C14L

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