@staticmethod
def set_update_full(set_update):
    """
        Creates an update statement that can be evaluated by MongoDB, including all keys of a dictionary passed in.
        :param set_update: a dictionary of all attributes/keys to be updated.
        :return: a dictionary containing a proper/valid update statement for MongoDB.
        """
    if '_id' in set_update:
        del set_update['_id']
    return {'$set': set_update}
