From 862328a98f63febb501a6ebb5d09c2db0574b53d Mon Sep 17 00:00:00 2001 From: Adrian Holovaty Date: Sat, 6 May 2006 03:44:14 +0000 Subject: [PATCH] Simplified example in 'Limiting QuerySets' section of docs/db-api.txt. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2855 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- docs/db-api.txt | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/docs/db-api.txt b/docs/db-api.txt index a25a374bbc..c207812081 100644 --- a/docs/db-api.txt +++ b/docs/db-api.txt @@ -335,11 +335,18 @@ return a list of every *second* object of the first 10:: Entry.objects.all()[:10:2] To retrieve a *single* object rather than a list -(e.g. ``SELECT foo FROM bar LIMIT 1``), slice the ``QuerySet`` to ``[:1]`` and -call ``get()`` on that. For example, this returns the first ``Entry`` in the -database, after ordering entries alphabetically by headline:: +(e.g. ``SELECT foo FROM bar LIMIT 1``), using a simple index instead of a +slice. For example, this returns the first ``Entry`` in the database, after +ordering entries alphabetically by headline:: - Entry.objects.order_by('headline')[:1].get() + Entry.objects.order_by('headline')[0] + +This is equivalent to:: + + Entry.objects.order_by('headline')[0:1].get() + +Note that either of these two examples will raise ``DoesNotExist`` if no +objects match the given criteria. QuerySet methods that return new QuerySets ------------------------------------------