mirror of https://github.com/django/django.git
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
This commit is contained in:
parent
d03bc77716
commit
a7f8984e6e
|
@ -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)``
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
|
|
Loading…
Reference in New Issue