2012-05-24 19:25:01 +08:00
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"""
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Existing related object instance caching.
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2016-10-27 15:53:39 +08:00
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Queries are not redone when going back through known relations.
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2012-05-24 19:25:01 +08:00
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"""
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from django.db import models
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2013-11-03 12:36:09 +08:00
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2012-05-24 19:25:01 +08:00
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class Tournament(models.Model):
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name = models.CharField(max_length=30)
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2013-11-03 12:36:09 +08:00
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2013-01-03 04:42:52 +08:00
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class Organiser(models.Model):
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name = models.CharField(max_length=30)
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2013-11-03 12:36:09 +08:00
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2012-05-24 19:25:01 +08:00
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class Pool(models.Model):
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name = models.CharField(max_length=30)
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2015-07-22 22:43:21 +08:00
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tournament = models.ForeignKey(Tournament, models.CASCADE)
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organiser = models.ForeignKey(Organiser, models.CASCADE)
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2012-05-24 19:25:01 +08:00
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2013-11-03 12:36:09 +08:00
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2012-05-24 19:25:01 +08:00
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class PoolStyle(models.Model):
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name = models.CharField(max_length=30)
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2015-07-22 22:43:21 +08:00
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pool = models.OneToOneField(Pool, models.CASCADE)
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2022-12-26 14:13:44 +08:00
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another_pool = models.OneToOneField(
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Pool, models.CASCADE, null=True, related_name="another_style"
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)
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