@property
    def db_index_name(self):
        return 'index_{0}'.format(self.db_field_name)
Multi termvectors API allows to get multiple termvectors based on an
dataset/ETHPy150Open datastax/python-driver/cassandra/cqlengine/columns.py/Column.db_index_name--crossover with--dataset/ETHPy150Open elastic/elasticsearch-py/elasticsearch/client/__init__.py/Elasticsearch.mtermvectors