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54 lines
887 B
Python
54 lines
887 B
Python
from django.db import models
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class Country(models.Model):
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name = models.CharField(max_length=255)
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iso_two_letter = models.CharField(max_length=2)
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class ProxyCountry(Country):
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class Meta:
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proxy = True
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class ProxyProxyCountry(ProxyCountry):
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class Meta:
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proxy = True
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class ProxyMultiCountry(ProxyCountry):
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pass
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class ProxyMultiProxyCountry(ProxyMultiCountry):
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class Meta:
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proxy = True
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class Place(models.Model):
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name = models.CharField(max_length=100)
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class Meta:
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abstract = True
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class Restaurant(Place):
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pass
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class Pizzeria(Restaurant):
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pass
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class State(models.Model):
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two_letter_code = models.CharField(max_length=2, primary_key=True)
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class TwoFields(models.Model):
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f1 = models.IntegerField(unique=True)
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f2 = models.IntegerField(unique=True)
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class NoFields(models.Model):
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pass
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