presto-redis/src/main/java/io/prestosql/plugin/redis/RedisTableFieldDescription.java/RedisTableFieldDescription/getColumnMetadata
class RedisTableFieldDescription:    ColumnMetadata getColumnMetadata()
    {
        return ColumnMetadata.builder()
                .setName(getName())
                .setType(getType())
                .setComment(Optional.ofNullable(getComment()))
                .setHidden(isHidden())
                .build();
    }