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Fixed #11283 -- Made sure that latest() clears previously specified ordering in a QuerySet. Thanks to benmoran, punteney, mk and and Julien Phalip.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@16067 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -403,6 +403,7 @@ class QuerySet(object):
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"Cannot change a query once a slice has been taken."
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obj = self._clone()
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obj.query.set_limits(high=1)
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obj.query.clear_ordering()
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obj.query.add_ordering('-%s' % latest_by)
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return obj.get()
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@ -43,6 +43,9 @@ class LatestTests(TestCase):
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a3,
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)
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# Ensure that latest() overrides any other ordering specified on the query. Refs #11283.
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self.assertEqual(Article.objects.order_by('id').latest(), a4)
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def test_latest_manual(self):
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# You can still use latest() with a model that doesn't have
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# "get_latest_by" set -- just pass in the field name manually.
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