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Fixed #34443 -- Fixed filtering by transforms on reverse relations.
Regression in ce6230aa97
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3afdc9e9b4
commit
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@ -114,6 +114,12 @@ class ForeignObjectRel(FieldCacheMixin):
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def get_lookup(self, lookup_name):
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def get_lookup(self, lookup_name):
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return self.field.get_lookup(lookup_name)
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return self.field.get_lookup(lookup_name)
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def get_lookups(self):
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return self.field.get_lookups()
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def get_transform(self, name):
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return self.field.get_transform(name)
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def get_internal_type(self):
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def get_internal_type(self):
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return self.field.get_internal_type()
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return self.field.get_internal_type()
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@ -19,7 +19,7 @@ from django.db.models import (
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Value,
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Value,
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When,
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When,
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)
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)
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from django.db.models.functions import Cast, Length, Substr
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from django.db.models.functions import Abs, Cast, Length, Substr
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from django.db.models.lookups import (
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from django.db.models.lookups import (
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Exact,
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Exact,
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GreaterThan,
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GreaterThan,
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@ -838,6 +838,31 @@ class LookupTests(TestCase):
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with self.assertRaisesMessage(FieldError, msg):
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with self.assertRaisesMessage(FieldError, msg):
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Tag.objects.filter(articles__foo="bar")
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Tag.objects.filter(articles__foo="bar")
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def test_unsupported_lookup_reverse_foreign_key(self):
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msg = (
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"Unsupported lookup 'title' for ManyToOneRel or join on the field not "
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"permitted."
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)
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with self.assertRaisesMessage(FieldError, msg):
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Author.objects.filter(article__title="Article 1")
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def test_unsupported_lookup_reverse_foreign_key_custom_lookups(self):
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msg = (
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"Unsupported lookup 'abspl' for ManyToOneRel or join on the field not "
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"permitted, perhaps you meant abspk?"
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)
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fk_field = Article._meta.get_field("author")
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with self.assertRaisesMessage(FieldError, msg):
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with register_lookup(fk_field, Abs, lookup_name="abspk"):
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Author.objects.filter(article__abspl=2)
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def test_filter_by_reverse_related_field_transform(self):
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fk_field = Article._meta.get_field("author")
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with register_lookup(fk_field, Abs):
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self.assertSequenceEqual(
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Author.objects.filter(article__abs=self.a1.pk), [self.au1]
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)
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def test_regex(self):
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def test_regex(self):
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# Create some articles with a bit more interesting headlines for
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# Create some articles with a bit more interesting headlines for
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# testing field lookups.
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# testing field lookups.
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