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Fixed #33374 -- Fixed ExpressionWrapper annotations with full queryset.

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David Wobrock 2021-12-19 11:22:30 +01:00 • committed by Mariusz Felisiak
parent 03cadb912c
commit 72b23c04d8
2 changed files with 29 additions and 0 deletions
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20
tests/annotations/tests.py
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@ -210,6 +210,26 @@ class NonAggregateAnnotationTestCase(TestCase):
self.assertEqual(len(books), Book.objects.count())
self.assertTrue(all(not book.selected for book in books))
def test_full_expression_annotation(self):
books = Book.objects.annotate(
selected=ExpressionWrapper(~Q(pk__in=[]), output_field=BooleanField()),
)
self.assertEqual(len(books), Book.objects.count())
self.assertTrue(all(book.selected for book in books))
def test_full_expression_annotation_with_aggregation(self):
qs = Book.objects.filter(isbn='159059725').annotate(
selected=ExpressionWrapper(~Q(pk__in=[]), output_field=BooleanField()),
rating_count=Count('rating'),
)
self.assertEqual([book.rating_count for book in qs], [1])
def test_aggregate_over_full_expression_annotation(self):
qs = Book.objects.annotate(
selected=ExpressionWrapper(~Q(pk__in=[]), output_field=BooleanField()),
).aggregate(Sum('selected'))
self.assertEqual(qs['selected__sum'], Book.objects.count())
def test_empty_queryset_annotation(self):
qs = Author.objects.annotate(
empty=Subquery(Author.objects.values('id').none())