From a193f355a882f2266da2a152901cdda2a83b4076 Mon Sep 17 00:00:00 2001 From: Russell Keith-Magee Date: Fri, 14 May 2010 01:51:14 +0000 Subject: [PATCH] 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 --- docs/topics/db/queries.txt | 13 +++++++------ 1 file 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'))