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Fixed #11278 -- Clarified query documentation regarding bulk assignment of m2m values. Thanks to zgoda for the patch. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11045 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee 2009-06-18 13:32:48 +00:00
parent 457a1f9a03
commit 3db96017ba
1 changed files with 8 additions and 2 deletions
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8
docs/topics/db/queries.txt
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@ -945,11 +945,17 @@ in the :ref:`related objects reference <ref-models-relations>`.
Removes all objects from the related object set.
To assign the members of a related set in one fell swoop, just assign to it
from any iterable object. Example::
from any iterable object. The iterable can contain object instances, or just
a list of primary key values. For Example::
Example::
b = Blog.objects.get(id=1)
b.entry_set = [e1, e2]
In this example, ``e1`` and ``e2`` can be full Entry instances, or integer
values representing primary keys.
If the ``clear()`` method is available, any pre-existing objects will be
removed from the ``entry_set`` before all objects in the iterable (in this
case, a list) are added to the set. If the ``clear()`` method is *not*