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authorMatthias Erll <matthias@precisdigital.com>2014-05-17 14:59:57 +0200
committerTim Graham <timograham@gmail.com>2017-05-31 19:34:56 -0400
commiteee34ef64c026e3274c6d1b4fa2baffbc956b954 (patch)
tree1ed5087f7396fafc49560e8106cf23c6d1afd99c /docs/topics
parent84fb50df670c8126983c9f0fd4a5c30dbe57b684 (diff)
Fixed #22550 -- Prohibited QuerySet.last()/reverse() after slicing.
Diffstat (limited to 'docs/topics')
-rw-r--r--docs/topics/db/queries.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/topics/db/queries.txt b/docs/topics/db/queries.txt
index b95173773b..b6263a9f42 100644
--- a/docs/topics/db/queries.txt
+++ b/docs/topics/db/queries.txt
@@ -361,6 +361,9 @@ every *second* object of the first 10::
>>> Entry.objects.all()[:10:2]
+Further filtering or ordering of a sliced queryset is prohibited due to the
+ambiguous nature of how that might work.
+
To retrieve a *single* object rather than a list
(e.g. ``SELECT foo FROM bar LIMIT 1``), use a simple index instead of a
slice. For example, this returns the first ``Entry`` in the database, after