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Fixed #34820 -- Fixed migrations crash when changing a ForeignObject field.

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This commit is contained in:
donghao
2023-09-09 22:49:47 +08:00
committed by Mariusz Felisiak
parent e41f9f9450
commit 71820c9f91
3 changed files with 49 additions and 0 deletions
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46
tests/migrations/test_operations.py
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@@ -2306,6 +2306,52 @@ class OperationTests(OperationTestBase):
operation.database_forwards(app_label, editor, new_state, project_state)
self.assertColumnExists(rider_table, "pony_id")
def test_alter_field_foreignobject_noop(self):
app_label = "test_alflfo_noop"
project_state = self.set_up_test_model(app_label)
project_state = self.apply_operations(
app_label,
project_state,
[
migrations.CreateModel(
"Rider",
fields=[
("pony_id", models.IntegerField()),
(
"pony",
models.ForeignObject(
f"{app_label}.Pony",
models.CASCADE,
from_fields=("pony_id",),
to_fields=("id",),
),
),
],
),
],
)
operation = migrations.AlterField(
"Rider",
"pony",
models.ForeignObject(
f"{app_label}.Pony",
models.CASCADE,
from_fields=("pony_id",),
to_fields=("id",),
null=True,
),
)
new_state = project_state.clone()
operation.state_forwards(app_label, new_state)
with (
CaptureQueriesContext(connection) as ctx,
connection.schema_editor() as editor,
):
operation.database_forwards(app_label, editor, project_state, new_state)
self.assertIs(
any("ALTER" in query["sql"] for query in ctx.captured_queries), False
)
@skipUnlessDBFeature("supports_comments")
def test_alter_model_table_comment(self):
app_label = "test_almotaco"