$input = (SELECT 1 AS key, '1' AS value);

$x = (select * from $input order by value);
select * from $x;

select * from (select * from $input order by value);

select * from (select 1 from $input as a join $input as b using(key) order by a.value);

select * from (
select * from $input
union all
select * from $input order by key
);

select * from (
SELECT
    key, prefix,
    COUNT(*) AS cnt,
    grouping(key, prefix) as agrouping
FROM $input
GROUP BY ROLLUP (key as key, Substring(value, 1, 1) as prefix)
ORDER BY key);