presto-redis/src/main/java/io/prestosql/plugin/redis/RedisRecordCursor.java/RedisRecordCursor/getObject
class RedisRecordCursor:    @Override
    public Object getObject(int field)
    {
        checkArgument(field < columnHandles.size(), "Invalid field index");
        throw new IllegalArgumentException(format("Type %s is not supported", getType(field)));
    }