pool = Pool()
        PackageType = pool.get('stock.package.type')
        cursor = Transaction().connection.cursor()
        sql_table = cls.__table__()
        package_type = PackageType.__table__()
        table = cls.__table_handler__(module_name)
        dimension_columns = ['length', 'length_uom', 'height', 'height_uom',
                    'width', 'width_uom']
        dimension_exists = any(
            table.column_exist('length') for c in dimension_columns)

        super().__register__(module_name)

        # Migration from 5.8: Update dimensions on package from package_type
        if not dimension_exists:
            cursor.execute(*sql_table.update(
                columns=[Column(sql_table, c) for c in dimension_columns],
                values=package_type.select(
                    *[Column(package_type, c) for c in dimension_columns],
                    where=package_type.id == sql_table.type)))