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| -rw-r--r-- | docs/db-api.txt | 3 |
1 files changed, 3 insertions, 0 deletions
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)`` ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |