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Code Issues 32 Releases Wiki Activity

Fixed #34946 -- Preserved db_default on combined default field addition.

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Regression in 7414704e88.
This commit is contained in:
Simon Charette
2023-11-07 05:32:34 -05:00
committed by GitHub
parent 656192c2c9
commit 8a28e983df
3 changed files with 29 additions and 5 deletions
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13
tests/migrations/test_operations.py
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@@ -1692,15 +1692,22 @@ class OperationTests(OperationTestBase):
field = new_state.models[app_label, "pony"].fields["height"]
self.assertEqual(field.default, 3)
self.assertEqual(field.db_default, Value(4))
project_state.apps.get_model(app_label, "pony").objects.create(weight=4)
pre_pony_pk = (
project_state.apps.get_model(app_label, "pony").objects.create(weight=4).pk
)
self.assertColumnNotExists(table_name, "height")
# Add field.
with connection.schema_editor() as editor:
operation.database_forwards(app_label, editor, project_state, new_state)
self.assertColumnExists(table_name, "height")
post_pony_pk = (
project_state.apps.get_model(app_label, "pony").objects.create(weight=10).pk
)
new_model = new_state.apps.get_model(app_label, "pony")
old_pony = new_model.objects.get()
self.assertEqual(old_pony.height, 4)
pre_pony = new_model.objects.get(pk=pre_pony_pk)
self.assertEqual(pre_pony.height, 4)
post_pony = new_model.objects.get(pk=post_pony_pk)
self.assertEqual(post_pony.height, 4)
new_pony = new_model.objects.create(weight=5)
if not connection.features.can_return_columns_from_insert:
new_pony.refresh_from_db()