Fixed #34743 -- Fixed Meta.constraints validation crash when using pk.

Thanks Nwawel A Iroume for the report.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/constraints/tests.py b/tests/constraints/tests.py
index f6571084b0..55397449d9 100644
--- a/tests/constraints/tests.py
+++ b/tests/constraints/tests.py
@@ -352,6 +352,19 @@ class CheckConstraintTests(TestCase):
             is_not_null_constraint.validate(JSONFieldModel, JSONFieldModel(data=None))
         is_not_null_constraint.validate(JSONFieldModel, JSONFieldModel(data={}))
 
+    def test_validate_pk_field(self):
+        constraint_with_pk = models.CheckConstraint(
+            check=~models.Q(pk=models.F("age")),
+            name="pk_not_age_check",
+        )
+        constraint_with_pk.validate(ChildModel, ChildModel(pk=1, age=2))
+        msg = f"Constraint “{constraint_with_pk.name}” is violated."
+        with self.assertRaisesMessage(ValidationError, msg):
+            constraint_with_pk.validate(ChildModel, ChildModel(pk=1, age=1))
+        with self.assertRaisesMessage(ValidationError, msg):
+            constraint_with_pk.validate(ChildModel, ChildModel(id=1, age=1))
+        constraint_with_pk.validate(ChildModel, ChildModel(pk=1, age=1), exclude={"pk"})
+
 
 class UniqueConstraintTests(TestCase):
     @classmethod