presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraColumnHandle.java/CassandraColumnHandle/hashCode
class CassandraColumnHandle:    @Override
    public int hashCode()
    {
        return Objects.hash(
                name,
                ordinalPosition,
                cassandraType,
                partitionKey,
                clusteringKey,
                indexed,
                hidden);
    }