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Code Issues 32 Releases Wiki Activity

Fixed #29126 -- Doc'd the behavior of QuerySet.update_or_create() with manually specified pks.

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This commit is contained in:
Tim Graham
2018-02-14 09:57:31 -05:00
parent 7ec0fdf62a
commit e917ea6bec
2 changed files with 17 additions and 0 deletions
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13
tests/get_or_create/tests.py
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@@ -444,6 +444,19 @@ class UpdateOrCreateTests(TestCase):
self.assertEqual(obj.last_name, 'NotHarrison')
class UpdateOrCreateTestsWithManualPKs(TestCase):
def test_create_with_duplicate_primary_key(self):
"""
If an existing primary key is specified with different values for other
fields, then IntegrityError is raised and data isn't updated.
"""
ManualPrimaryKeyTest.objects.create(id=1, data='Original')
with self.assertRaises(IntegrityError):
ManualPrimaryKeyTest.objects.update_or_create(id=1, data='Different')
self.assertEqual(ManualPrimaryKeyTest.objects.get(id=1).data, 'Original')
class UpdateOrCreateTransactionTests(TransactionTestCase):
available_apps = ['get_or_create']