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62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
"""
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Bare-bones model
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This is a basic model with only two non-primary-key fields.
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"""
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import uuid
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from django.db import models
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class Article(models.Model):
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headline = models.CharField(max_length=100, default="Default headline")
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pub_date = models.DateTimeField()
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class Meta:
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ordering = ("pub_date", "headline")
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def __str__(self):
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return self.headline
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class FeaturedArticle(models.Model):
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article = models.OneToOneField(Article, models.CASCADE, related_name="featured")
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class ArticleSelectOnSave(Article):
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class Meta:
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proxy = True
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select_on_save = True
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class SelfRef(models.Model):
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selfref = models.ForeignKey(
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"self",
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models.SET_NULL,
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null=True,
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blank=True,
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related_name="+",
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)
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article = models.ForeignKey(Article, models.SET_NULL, null=True, blank=True)
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article_cited = models.ForeignKey(
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Article, models.SET_NULL, null=True, blank=True, related_name="cited"
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)
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def __str__(self):
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# This method intentionally doesn't work for all cases - part
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# of the test for ticket #20278
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return SelfRef.objects.get(selfref=self).pk
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class PrimaryKeyWithDefault(models.Model):
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uuid = models.UUIDField(primary_key=True, default=uuid.uuid4)
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class PrimaryKeyWithDbDefault(models.Model):
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uuid = models.IntegerField(primary_key=True, db_default=1)
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class ChildPrimaryKeyWithDefault(PrimaryKeyWithDefault):
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pass
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