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from django.db import models
class Article(models.Model):
headline = models.CharField(max_length=100)
pub_date = models.DateField()
expire_date = models.DateField()
class Meta:
get_latest_by = "pub_date"
class Person(models.Model):
name = models.CharField(max_length=30)
birthday = models.DateField()
# Note that this model doesn't have "get_latest_by" set.
class Comment(models.Model):
article = models.ForeignKey(Article, on_delete=models.CASCADE)
likes_count = models.PositiveIntegerField()
# Ticket #23555 - model with an intentionally broken QuerySet.__iter__ method.
class IndexErrorQuerySet(models.QuerySet):
"""
Emulates the case when some internal code raises an unexpected
IndexError.
"""
def __iter__(self):
raise IndexError
class IndexErrorArticle(Article):
objects = IndexErrorQuerySet.as_manager()
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