#34227: multi level FilteredRelation with select_related may set wrong related
object
-----------------------------------------+------------------------
Reporter: zhu | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 4.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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test case:
{{{
#!python
# add to known_related_objects.tests.ExistingRelatedInstancesTests
def test_wrong_select_related(self):
with self.assertNumQueries(3):
p = list(PoolStyle.objects.annotate(
tournament_pool=FilteredRelation('pool__tournament__pool'),
).select_related('tournament_pool'))
self.assertEqual(p[0].pool.tournament,
p[0].tournament_pool.tournament)
}}}
result:
{{{
======================================================================
FAIL: test_wrong_select_related
(known_related_objects.tests.ExistingRelatedInstancesTests.test_wrong_select_related)
----------------------------------------------------------------------
Traceback (most recent call last):
File "D:\Work\django\tests\known_related_objects\tests.py", line 171, in
test_wrong_select_related
self.assertEqual(p[0].pool.tournament,
p[0].tournament_pool.tournament)
AssertionError: <Tournament: Tournament object (1)> != <PoolStyle:
PoolStyle object (1)>
----------------------------------------------------------------------
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/34227>
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