ClickHouse/tests/performance/order_by_tuple.xml

<test>
    <query>select * from numbers(300000000) order by (1 - number , number + 1 , number) limit 10;</query>
</test>
Make ORDER BY tuple almost as fast as ORDER BY columns We have special optimizations for multiple column ORDER BY: https://github.com/ClickHouse/ClickHouse/pull/10831 . It's beneficial to also apply to tuple columns. Before: select * from numbers(300000000) order by (1 - number , number + 1 , number) limit 10; 2.613 sec. After: select * from numbers(300000000) order by (1 - number , number + 1 , number) limit 10; 0.755 sec No tuple: select * from numbers(300000000) order by 1 - number , number + 1 , number limit 10; 0.755 sec 2022-01-27 13:42:08 +00:00			`<test>`
			`<query>select * from numbers(300000000) order by (1 - number , number + 1 , number) limit 10;</query>`
			`</test>`