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Code Issues 32 Releases Wiki Activity

Made negative indexing on QuerySet instances raise an assertion error (previously

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it just returned incorrect results).


git-svn-id: http://code.djangoproject.com/svn/django/trunk@2992 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Luke Plant
2006-05-26 18:41:03 +00:00
parent b63157c616
commit 0c8ac0972c
2 changed files with 13 additions and 0 deletions
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10
tests/modeltests/basic/models.py
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@@ -283,6 +283,16 @@ Traceback (most recent call last):
...
AssertionError: Cannot combine queries once a slice has been taken.
# Negative slices are not supported, due to database constraints.
# (hint: inverting your ordering might do what you need).
>>> Article.objects.all()[-1]
Traceback (most recent call last):
...
AssertionError: Negative indexing is not supported.
>>> Article.objects.all()[0:-5]
Traceback (most recent call last):
...
AssertionError: Negative indexing is not supported.
# An Article instance doesn't have access to the "objects" attribute.
# That's only available on the class.