presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraPartition.java/CassandraPartition/CassandraPartition
class CassandraPartition:    public CassandraPartition(byte[] key, String partitionId, TupleDomain<ColumnHandle> tupleDomain, boolean indexedColumnPredicatePushdown)
    {
        this.key = key;
        this.partitionId = partitionId;
        this.tupleDomain = tupleDomain;
        this.indexedColumnPredicatePushdown = indexedColumnPredicatePushdown;
    }