Fixed #33932 -- Fixed altering AutoFields to OneToOneField on PostgreSQL.

Regression in 2eea361eff.
This commit is contained in:
Benoît Vinot 2022-08-17 13:19:16 +02:00 committed by Mariusz Felisiak
parent e1056ed5a2
commit e3cb8bcb7d
3 changed files with 31 additions and 1 deletions

View File

@ -175,7 +175,7 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
self.sql_drop_indentity self.sql_drop_indentity
% { % {
"table": self.quote_name(table), "table": self.quote_name(table),
"column": self.quote_name(strip_quotes(old_field.column)), "column": self.quote_name(strip_quotes(new_field.column)),
} }
) )
column = strip_quotes(new_field.column) column = strip_quotes(new_field.column)

View File

@ -39,3 +39,7 @@ Bugfixes
* Fixed a regression in Django 4.1 that caused an incorrect migration when * Fixed a regression in Django 4.1 that caused an incorrect migration when
adding ``AutoField``, ``BigAutoField``, or ``SmallAutoField`` on PostgreSQL adding ``AutoField``, ``BigAutoField``, or ``SmallAutoField`` on PostgreSQL
(:ticket:`33919`). (:ticket:`33919`).
* Fixed a regression in Django 4.1 that caused a migration crash on PostgreSQL
when altering ``AutoField``, ``BigAutoField``, or ``SmallAutoField`` to
``OneToOneField`` (:ticket:`33932`).

View File

@ -1588,6 +1588,32 @@ class SchemaTests(TransactionTestCase):
# OneToOneField. # OneToOneField.
self.assertEqual(counts, {"fks": expected_fks, "uniques": 1, "indexes": 0}) self.assertEqual(counts, {"fks": expected_fks, "uniques": 1, "indexes": 0})
def test_autofield_to_o2o(self):
with connection.schema_editor() as editor:
editor.create_model(Author)
editor.create_model(Note)
# Rename the field.
old_field = Author._meta.get_field("id")
new_field = AutoField(primary_key=True)
new_field.set_attributes_from_name("note_ptr")
new_field.model = Author
with connection.schema_editor() as editor:
editor.alter_field(Author, old_field, new_field, strict=True)
# Alter AutoField to OneToOneField.
new_field_o2o = OneToOneField(Note, CASCADE)
new_field_o2o.set_attributes_from_name("note_ptr")
new_field_o2o.model = Author
with connection.schema_editor() as editor:
editor.alter_field(Author, new_field, new_field_o2o, strict=True)
columns = self.column_classes(Author)
field_type, _ = columns["note_ptr_id"]
self.assertEqual(
field_type, connection.features.introspected_field_types["IntegerField"]
)
def test_alter_field_fk_keeps_index(self): def test_alter_field_fk_keeps_index(self):
with connection.schema_editor() as editor: with connection.schema_editor() as editor:
editor.create_model(Author) editor.create_model(Author)