#17876: get_klass_info should handle proxy models and with select_related
----------------------------------------------+------------------------
Reporter: milosu | Owner: nobody
Type: Bug | Status: new
Component: Database layer (models, ORM) | Version: 1.4-beta-1
Severity: Release blocker | Keywords:
Triage Stage: Unreviewed | Has patch: 1
Easy pickings: 0 | UI/UX: 0
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If I do not apply attached patch to django/db/models/query.py, the
following test case fails:
{{{
======================================================================
ERROR: test_defer (modeltests.defer.tests.DeferTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "C:\Python26\lib\site-
packages\django_versions\Django-1.4c1\tests\modeltests\defer\tests.py",
line 149, in test_defer
for obj in ChildProxy.objects.all().select_related().only('id'):
File "C:\Python26\lib\site-
packages\django_versions\Django-1.4c1\django\db\models\query.py", line
118, in _result_iter
self._fill_cache()
File "C:\Python26\lib\site-
packages\django_versions\Django-1.4c1\django\db\models\query.py", line
875, in _fill_cache
self._result_cache.append(self._iter.next())
File "C:\Python26\lib\site-
packages\django_versions\Django-1.4c1\django\db\models\query.py", line
290, in iterator
requested=requested, only_load=only_load)
File "C:\Python26\lib\site-
packages\django_versions\Django-1.4c1\django\db\models\query.py", line
1276, in get_klass_info
load_fields.update(fields)
AttributeError: 'NoneType' object has no attribute 'update'
----------------------------------------------------------------------
Ran 170 tests in 0.700s
FAILED (errors=1)
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/17876>
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