diff options
| -rw-r--r-- | django/contrib/postgres/fields/jsonb.py | 2 | ||||
| -rw-r--r-- | tests/postgres_tests/test_json.py | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/django/contrib/postgres/fields/jsonb.py b/django/contrib/postgres/fields/jsonb.py index e333f30619..1a6ad0831b 100644 --- a/django/contrib/postgres/fields/jsonb.py +++ b/django/contrib/postgres/fields/jsonb.py @@ -106,7 +106,7 @@ class KeyTransform(Transform): lookup = "'%s'" % self.key_name else: lookup = "%s" % self.key_name - return "%s -> %s" % (lhs, lookup), params + return "(%s -> %s)" % (lhs, lookup), params class KeyTransformFactory(object): diff --git a/tests/postgres_tests/test_json.py b/tests/postgres_tests/test_json.py index fd4db7fae4..aeaae0de34 100644 --- a/tests/postgres_tests/test_json.py +++ b/tests/postgres_tests/test_json.py @@ -156,6 +156,17 @@ class TestQuerying(TestCase): [self.objs[0]] ) + def test_isnull_key(self): + # key__isnull works the same as has_key='key'. + self.assertSequenceEqual( + JSONModel.objects.filter(field__a__isnull=True), + self.objs[:7] + self.objs[9:] + ) + self.assertSequenceEqual( + JSONModel.objects.filter(field__a__isnull=False), + [self.objs[7], self.objs[8]] + ) + def test_contains(self): self.assertSequenceEqual( JSONModel.objects.filter(field__contains={'a': 'b'}), |