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[5.2.x] Fixed #36109 -- Fixed RecursionError when stacking FilteredRelation joins.
Backport of 8eca4077f6 from main.
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committed by
Sarah Boyce
parent
b285cc787e
commit
720ef7a867
@@ -582,6 +582,28 @@ class FilteredRelationTests(TestCase):
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lambda x: (x.author, x.book_title, x.preferred_by_author_pk),
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)
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def test_three_level_nested_chained_relations(self):
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borrower = Borrower.objects.create(name="Jenny")
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Reservation.objects.create(
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borrower=borrower,
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book=self.book1,
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state=Reservation.STOPPED,
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)
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qs = Author.objects.annotate(
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my_books=FilteredRelation("book"),
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my_reserved_books=FilteredRelation(
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"my_books__reservation",
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condition=Q(my_books__reservation__state=Reservation.STOPPED),
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),
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my_readers=FilteredRelation(
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"my_reserved_books__borrower",
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condition=Q(my_reserved_books__borrower=borrower),
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),
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)
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self.assertSequenceEqual(
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qs.filter(my_readers=borrower).values_list("name", flat=True), ["Alice"]
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)
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def test_deep_nested_foreign_key(self):
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qs = (
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Book.objects.annotate(
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