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Code Issues 25 Releases Wiki Activity

A queryset that has had ordering removed (order_by()) can have ordering added

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again later (order_by('foo')). Or, at least, it can now. Thanks to Ilya
Novoselov for diagnosing the problem here.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@9206 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2008-10-08 09:45:27 +00:00
parent 44f228fd61
commit 559aca7d78
2 changed files with 7 additions and 1 deletions
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2
django/db/models/sql/query.py
View File

@ -608,7 +608,7 @@ class Query(object):
if self.extra_order_by: if self.extra_order_by:
ordering = self.extra_order_by ordering = self.extra_order_by
elif not self.default_ordering: elif not self.default_ordering:
ordering = [] ordering = self.order_by
else: else:
ordering = self.order_by or self.model._meta.ordering ordering = self.order_by or self.model._meta.ordering
qn = self.quote_name_unless_alias qn = self.quote_name_unless_alias

6
tests/regressiontests/queries/models.py
View File

@ -973,6 +973,12 @@ Make sure bump_prefix() (an internal Query method) doesn't (re-)break.
>>> query.bump_prefix() >>> query.bump_prefix()
>>> print query.as_sql()[0] >>> print query.as_sql()[0]
SELECT U0."id" FROM "queries_tag" U0 SELECT U0."id" FROM "queries_tag" U0
Calling order_by() with no parameters removes any existing ordering on the
model. But it should still be possible to add new ordering after that.
>>> qs = Author.objects.order_by().order_by('name')
>>> 'ORDER BY' in qs.query.as_sql()[0]
True
"""} """}
# 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__