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django/tests/serializers/models/multi_table.py
2022-02-07 20:37:05 +01:00

21 lines
484 B
Python

from django.db import models
class ParentManager(models.Manager):
def get_by_natural_key(self, parent_data):
return self.get(parent_data=parent_data)
class Parent(models.Model):
parent_data = models.CharField(max_length=30, unique=True)
parent_m2m = models.ManyToManyField("self")
objects = ParentManager()
def natural_key(self):
return (self.parent_data,)
class Child(Parent):
child_data = models.CharField(max_length=30, unique=True)