Fixed #2465 -- Documented the fact that select_related doesn't follow null=True

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3511 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Adrian Holovaty 2006-08-01 21:45:57 +00:00
parent d03bc77716
commit a7f8984e6e
1 changed files with 3 additions and 0 deletions

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@ -578,6 +578,9 @@ related ``Person`` *and* the related ``City``::
p = b.author # Hits the database.
c = p.hometown # Hits the database.
Note that ``select_related()`` does not follow foreign keys that have
``null=True``.
``extra(select=None, where=None, params=None, tables=None)``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~