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Fixed #34701 -- Added support for NULLS [NOT] DISTINCT on PostgreSQL 15+.

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This commit is contained in:
Simon Charette
2023-07-07 19:43:51 -04:00
committed by Mariusz Felisiak
parent 98cfb90182
commit 595a2abb58
13 changed files with 295 additions and 9 deletions
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23
tests/validation/test_constraints.py
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@@ -6,6 +6,7 @@ from .models import (
ChildUniqueConstraintProduct,
Product,
UniqueConstraintConditionProduct,
UniqueConstraintNullsDistinctProduct,
UniqueConstraintProduct,
)
@@ -93,3 +94,25 @@ class PerformConstraintChecksTest(TestCase):
UniqueConstraintConditionProduct.objects.create(name="product")
product = UniqueConstraintConditionProduct(name="product")
product.full_clean(validate_constraints=False)
@skipUnlessDBFeature("supports_nulls_distinct_unique_constraints")
def test_full_clean_with_nulls_distinct_unique_constraints(self):
UniqueConstraintNullsDistinctProduct.objects.create(name=None)
product = UniqueConstraintNullsDistinctProduct(name=None)
with self.assertRaises(ValidationError) as cm:
product.full_clean()
self.assertEqual(
cm.exception.message_dict,
{
"name": [
"Unique constraint nulls distinct product with this Name "
"already exists."
]
},
)
@skipUnlessDBFeature("supports_nulls_distinct_unique_constraints")
def test_full_clean_with_nulls_distinct_unique_constraints_disabled(self):
UniqueConstraintNullsDistinctProduct.objects.create(name=None)
product = UniqueConstraintNullsDistinctProduct(name=None)
product.full_clean(validate_constraints=False)