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Code Issues 24 Releases Wiki Activity

Fixed #10913 -- Documented how related_name affects QuerySet filtering 

Thanks neithere for the suggestion.
This commit is contained in:
Tim Graham 2013-10-02 12:12:53 -04:00
parent e1b7723817
commit 75bb6ba966
2 changed files with 13 additions and 10 deletions
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9
docs/ref/models/fields.txt
View File

@ -1078,10 +1078,11 @@ define the details of how the relation works.
.. attribute:: ForeignKey.related_name
The name to use for the relation from the related object back to this one.
See the :ref:`related objects documentation <backwards-related-objects>` for
a full explanation and example. Note that you must set this value
when defining relations on :ref:`abstract models
<abstract-base-classes>`; and when you do so
It's also the default value for :attr:`related_query_name` (the name to use
for the reverse filter name from the target model). See the :ref:`related
objects documentation <backwards-related-objects>` for a full explanation
and example. Note that you must set this value when defining relations on
:ref:`abstract models <abstract-base-classes>`; and when you do so
:ref:`some special syntax <abstract-related-name>` is available.
If you'd prefer Django not to create a backwards relation, set

14
docs/topics/db/queries.txt
View File

@ -1124,8 +1124,9 @@ Example::
>>> b.entry_set.filter(headline__contains='Lennon')
>>> b.entry_set.count()
You can override the ``FOO_set`` name by setting the ``related_name``
parameter in the ``ForeignKey()`` definition. For example, if the ``Entry``
You can override the ``FOO_set`` name by setting the
:attr:`~django.db.models.ForeignKey.related_name` parameter in the
:class:`~django.db.models.ForeignKey` definition. For example, if the ``Entry``
model was altered to ``blog = ForeignKey(Blog, related_name='entries')``, the
above example code would look like this::
@ -1224,10 +1225,11 @@ An example makes this easier to understand::
a.entry_set.all() # Returns all Entry objects for this Author.
Like :class:`~django.db.models.ForeignKey`,
:class:`~django.db.models.ManyToManyField` can specify ``related_name``. In the
above example, if the :class:`~django.db.models.ManyToManyField` in ``Entry``
had specified ``related_name='entries'``, then each ``Author`` instance would
have an ``entries`` attribute instead of ``entry_set``.
:class:`~django.db.models.ManyToManyField` can specify
:attr:`~django.db.models.ManyToManyField.related_name`. In the above example,
if the :class:`~django.db.models.ManyToManyField` in ``Entry`` had specified
``related_name='entries'``, then each ``Author`` instance would have an
``entries`` attribute instead of ``entry_set``.
One-to-one relationships
------------------------