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authorRussell Keith-Magee <russell@keith-magee.com>2010-05-14 01:51:14 +0000
committerRussell Keith-Magee <russell@keith-magee.com>2010-05-14 01:51:14 +0000
commita193f355a882f2266da2a152901cdda2a83b4076 (patch)
tree5d9a248fff5822c958806c14fc010dce2051f4ca /docs
parent670baf2e48d3da2d9cc41e2e801891e5ff0467fd (diff)
Fixed #13532 -- Corrected and clarified examples in F() docs. Thanks to erw for the report and patch.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@13254 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'docs')
-rw-r--r--docs/topics/db/queries.txt13
1 files changed, 7 insertions, 6 deletions
diff --git a/docs/topics/db/queries.txt b/docs/topics/db/queries.txt
index 22354e4c8c..981d727f4f 100644
--- a/docs/topics/db/queries.txt
+++ b/docs/topics/db/queries.txt
@@ -512,17 +512,18 @@ than pingbacks, we construct an ``F()`` object to reference the comment count,
and use that ``F()`` object in the query::
>>> from django.db.models import F
- >>> Entry.objects.filter(n_pingbacks__lt=F('n_comments'))
+ >>> Entry.objects.filter(n_comments__gt=F('n_pingbacks'))
Django supports the use of addition, subtraction, multiplication,
division and modulo arithmetic with ``F()`` objects, both with constants
-and with other ``F()`` objects. To find all the blog entries with *twice* as
-many comments as pingbacks, we modify the query::
+and with other ``F()`` objects. To find all the blog entries with more than
+*twice* as many comments as pingbacks, we modify the query::
- >>> Entry.objects.filter(n_pingbacks__lt=F('n_comments') * 2)
+ >>> Entry.objects.filter(n_comments__gt=F('n_pingbacks') * 2)
-To find all the entries where the sum of the pingback count and comment count
-is greater than the rating of the entry, we would issue the query::
+To find all the entries where the rating of the entry is less than the
+sum of the pingback count and comment count, we would issue the
+query::
>>> Entry.objects.filter(rating__lt=F('n_comments') + F('n_pingbacks'))