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Added a test from Jamie Gennis to ensure #9848 doesn't reappear. 

The bug itself was fixed at some point in the past months (there have
been a few improvements to update() recently). Fixed #9848.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10528 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2009-04-12 00:13:03 +00:00
parent d7870d3444
commit 50dbda9a3e
1 changed files with 17 additions and 0 deletions
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17
tests/regressiontests/queries/models.py
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@ -1126,6 +1126,23 @@ Bug #10432 (see also the Python 2.4+ tests for this, below). Testing an empty
>>> list(Note.objects.filter(pk__in=g())) == [n_obj] >>> list(Note.objects.filter(pk__in=g())) == [n_obj]
True True
Make sure that updates which only filter on sub-tables don't inadvertently
update the wrong records (bug #9848).
# Make sure that the IDs from different tables don't happen to match.
>>> Ranking.objects.filter(author__name='a1')
[<Ranking: 3: a1>]
>>> Ranking.objects.filter(author__name='a1').update(rank='4')
1
>>> r = Ranking.objects.filter(author__name='a1')[0]
>>> r.id != r.author.id
True
>>> r.rank
4
>>> r.rank = 3
>>> r.save()
>>> Ranking.objects.all()
[<Ranking: 3: a1>, <Ranking: 2: a2>, <Ranking: 1: a3>]
"""} """}
# In Python 2.3 and the Python 2.6 beta releases, exceptions raised in __len__ # In Python 2.3 and the Python 2.6 beta releases, exceptions raised in __len__