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Code Issues 32 Releases Wiki Activity

Fixed #32717 -- Fixed filtering of querysets combined with the | operator.

Browse Source 
Address a long standing bug in a Where.add optimization to discard
equal nodes that was surfaced by implementing equality for Lookup
instances in bbf141bcdc.

Thanks Shaheed Haque for the report.
This commit is contained in:
Simon Charette
2021-05-11 01:19:44 -04:00
committed by Mariusz Felisiak
parent 3733ae8957
commit b81c7562fc
4 changed files with 13 additions and 1 deletions
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4
tests/queries/tests.py
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@@ -1322,6 +1322,10 @@ class Queries4Tests(TestCase):
self.assertEqual(len(combined), 1)
self.assertEqual(combined[0].name, 'a1')
def test_combine_or_filter_reuse(self):
combined = Author.objects.filter(name='a1') | Author.objects.filter(name='a3')
self.assertEqual(combined.get(name='a1'), self.a1)
def test_join_reuse_order(self):
# Join aliases are reused in order. This shouldn't raise AssertionError
# because change_map contains a circular reference (#26522).