ClickHouse/dbms/tests/queries/0_stateless/00963_achimbab.sql
2019-09-03 15:42:24 +03:00

20 lines
507 B
SQL

SET output_format_write_statistics = 0;
SET experimental_use_processors = 0;
select
sum(cnt) > 0 as total,
k[1], k[2]
from
(
select
arrayMap( x -> x % 3 ? toNullable(number%5 + x) : null, range(3)) as k,
number % 4 ? toNullable( rand() ) : Null as cnt
from system.numbers_mt
where number < 1000000
limit 1000000
)
group by k with totals
order by total desc
SETTINGS max_threads = 100, max_execution_time = 120
format JSON;