diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/schema/tests.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/schema/tests.py b/tests/schema/tests.py index 33a4bc527b..935267c2d6 100644 --- a/tests/schema/tests.py +++ b/tests/schema/tests.py @@ -5223,6 +5223,51 @@ class SchemaTests(TransactionTestCase): ["schema_tag_slug_2c418ba3_like", "schema_tag_slug_key"], ) + @isolate_apps("schema") + @unittest.skipUnless(connection.vendor == "postgresql", "PostgreSQL specific") + def test_indexed_charfield_to_textfield(self): + class SimpleModel(Model): + field1 = CharField(max_length=10, db_index=True) + + class Meta: + app_label = "schema" + + with connection.schema_editor() as editor: + editor.create_model(SimpleModel) + self.assertEqual( + self.get_constraints_for_column(SimpleModel, "field1"), + [ + "schema_simplemodel_field1_f07a3d6a", + "schema_simplemodel_field1_f07a3d6a_like", + ], + ) + # Change to TextField. + old_field1 = SimpleModel._meta.get_field("field1") + new_field1 = TextField(db_index=True) + new_field1.set_attributes_from_name("field1") + with connection.schema_editor() as editor: + editor.alter_field(SimpleModel, old_field1, new_field1, strict=True) + self.assertEqual( + self.get_constraints_for_column(SimpleModel, "field1"), + [ + "schema_simplemodel_field1_f07a3d6a", + "schema_simplemodel_field1_f07a3d6a_like", + ], + ) + # Change back to CharField. + old_field1 = SimpleModel._meta.get_field("field1") + new_field1 = CharField(max_length=10, db_index=True) + new_field1.set_attributes_from_name("field1") + with connection.schema_editor() as editor: + editor.alter_field(SimpleModel, old_field1, new_field1, strict=True) + self.assertEqual( + self.get_constraints_for_column(SimpleModel, "field1"), + [ + "schema_simplemodel_field1_f07a3d6a", + "schema_simplemodel_field1_f07a3d6a_like", + ], + ) + def test_alter_field_add_index_to_integerfield(self): # Create the table and verify no initial indexes. with connection.schema_editor() as editor: |