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Fixed #15932 - Documented how to supress multiple reverse relations to the same model.

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Thanks Claude Paroz for the patch.
This commit is contained in:
Tim Graham 2012-08-03 16:06:41 -04:00
parent d01eaf7104
commit b496be331c
1 changed files with 11 additions and 3 deletions
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14
docs/ref/models/fields.txt
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@ -1002,9 +1002,10 @@ define the details of how the relation works.
<abstract-base-classes>`; and when you do so
:ref:`some special syntax <abstract-related-name>` is available.
If you'd prefer Django didn't create a backwards relation, set ``related_name``
to ``'+'``. For example, this will ensure that the ``User`` model won't get a
backwards relation to this model::
If you'd prefer Django not to create a backwards relation, set
``related_name`` to ``'+'`` or end it with ``'+'``. For example, this will
ensure that the ``User`` model won't have a backwards relation to this
model::
user = models.ForeignKey(User, related_name='+')
@ -1095,6 +1096,13 @@ that control how the relationship functions.
Same as :attr:`ForeignKey.related_name`.
If you have more than one ``ManyToManyField`` pointing to the same model
and want to suppress the backwards relations, set each ``related_name``
to a unique value ending with ``'+'``::
users = models.ManyToManyField(User, related_name='u+')
referents = models.ManyToManyField(User, related_name='ref+')
.. attribute:: ManyToManyField.limit_choices_to
Same as :attr:`ForeignKey.limit_choices_to`.