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Refs #27338 -- Added tests for altering CharField with primary_key=True to AutoField on PostgreSQL.
Fixed in 91b2bc3e70
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@ -304,6 +304,24 @@ class SchemaTests(TransactionTestCase):
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editor.alter_field(AuthorTextFieldWithIndex, old_field, new_field, strict=True)
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self.assertForeignKeyExists(AuthorTextFieldWithIndex, 'text_field_id', 'schema_author')
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@isolate_apps('schema')
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def test_char_field_pk_to_auto_field(self):
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class Foo(Model):
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id = CharField(max_length=255, primary_key=True)
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class Meta:
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app_label = 'schema'
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with connection.schema_editor() as editor:
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editor.create_model(Foo)
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self.isolated_local_models = [Foo]
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old_field = Foo._meta.get_field('id')
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new_field = AutoField(primary_key=True)
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new_field.set_attributes_from_name('id')
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new_field.model = Foo
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with connection.schema_editor() as editor:
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editor.alter_field(Foo, old_field, new_field, strict=True)
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@skipUnlessDBFeature('supports_foreign_keys')
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def test_fk_to_proxy(self):
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"Creating a FK to a proxy model creates database constraints."
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