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056ace0f39
When &'ing or |'ing querysets, wrong values could be cached, and crashes
could happen.
Thanks Marc Tamlyn for figuring out the problem and writing the patch.
Backport of 07fbc6a.
24 lines
582 B
Python
24 lines
582 B
Python
"""
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Existing related object instance caching.
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Test that queries are not redone when going back through known relations.
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"""
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from django.db import models
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class Tournament(models.Model):
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name = models.CharField(max_length=30)
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class Organiser(models.Model):
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name = models.CharField(max_length=30)
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class Pool(models.Model):
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name = models.CharField(max_length=30)
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tournament = models.ForeignKey(Tournament)
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organiser = models.ForeignKey(Organiser)
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class PoolStyle(models.Model):
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name = models.CharField(max_length=30)
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pool = models.OneToOneField(Pool)
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