31 lines
842 B
Python
31 lines
842 B
Python
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"""
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29. Many-to-many and many-to-one relationships to the same table
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Make sure to set ``related_name`` if you use relationships to the same table.
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"""
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from __future__ import unicode_literals
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from django.db import models
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from django.utils import six
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from django.utils.encoding import python_2_unicode_compatible
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class User(models.Model):
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username = models.CharField(max_length=20)
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@python_2_unicode_compatible
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class Issue(models.Model):
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num = models.IntegerField()
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cc = models.ManyToManyField(User, blank=True, related_name='test_issue_cc')
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client = models.ForeignKey(User, related_name='test_issue_client')
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def __str__(self):
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return six.text_type(self.num)
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class Meta:
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ordering = ('num',)
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class UnicodeReferenceModel(models.Model):
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others = models.ManyToManyField("UnicodeReferenceModel")
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