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Code Issues 32 Releases Wiki Activity

Refactored negated IS NULL handling

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This one cleaned up add_filter() negated filter generation. As a side
effect split_exclude() was cleaned up, too.

Refs #19849
This commit is contained in:
Anssi Kääriäinen
2013-02-19 04:21:29 +02:00
parent b55cde054e
commit 3fef304ff2
3 changed files with 37 additions and 55 deletions
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6
tests/regressiontests/nested_foreign_keys/tests.py
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@@ -71,6 +71,12 @@ class NestedForeignKeysTests(TestCase):
self.assertEqual(Event.objects.filter(screeningnullfk__movie=self.movie).count(), 1)
self.assertEqual(Event.objects.exclude(screeningnullfk__movie=self.movie).count(), 2)
def test_null_exclude(self):
screening = ScreeningNullFK.objects.create(movie=None)
ScreeningNullFK.objects.create(movie=self.movie)
self.assertEqual(
list(ScreeningNullFK.objects.exclude(movie__id=self.movie.pk)),
[screening])
# This test failed in #16715 because in some cases INNER JOIN was selected
# for the second foreign key relation instead of LEFT OUTER JOIN.