From a7f8984e6e6be2ded5a03f758f28a85ce43187ac Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Tue, 1 Aug 2006 21:45:57 +0000
Subject: [PATCH] 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
---
 docs/db-api.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/db-api.txt b/docs/db-api.txt
index ce6bb0ab3b..a7cf30813d 100644
--- a/docs/db-api.txt
+++ b/docs/db-api.txt
@@ -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)``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~