presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraRecordSet.java/CassandraRecordSet/CassandraRecordSet
class CassandraRecordSet:    public CassandraRecordSet(CassandraSession cassandraSession, String cql, List<CassandraColumnHandle> cassandraColumns)
    {
        this.cassandraSession = requireNonNull(cassandraSession, "cassandraSession is null");
        this.cql = requireNonNull(cql, "cql is null");

        requireNonNull(cassandraColumns, "cassandraColumns is null");
        this.cassandraTypes = transformList(cassandraColumns, CassandraColumnHandle::getCassandraType);
        this.columnTypes = transformList(cassandraColumns, CassandraColumnHandle::getType);
    }