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i/car.py

Created July 19, 2018 15:21
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car.py
class Car(models.Model):
# CASCADE is the default behavior. When this car's manufacturer is deleted,
# this car will also be deleted
manufacturer = models.ForeignKey(Manufacturer, on_delete=models.CASCADE)
# SET_NULL makes it so when this car's owner gets deleted, it will continue
# to exist without an owner.
owner = models.ForeignKey(User, on_delete=models.SET_NULL)
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