presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraType.java/CassandraType/isFullySupported
class CassandraType:    public static boolean isFullySupported(DataType dataType)
    {
        if (!toCassandraType(dataType.getName()).isPresent()) {
            return false;
        }

        return dataType.getTypeArguments().stream()
                       .allMatch(CassandraType::isFullySupported);
    }