def value_to_db_decimal(self, value, max_digits, decimal_places):
        if value is None:
            return None
        return util.format_number(value, max_digits, decimal_places)
Return the last time a given model's items were updated. Returns the
dataset/ETHPy150Open dcramer/django-compositepks/django/db/backends/__init__.py/BaseDatabaseOperations.value_to_db_decimal--crossover with--dataset/ETHPy150Open jacobian-archive/jellyroll/src/jellyroll/managers.py/ItemManager.get_last_update_of_model