ClickHouse/dbms/tests/queries/0_stateless/00963_achimbab.sql

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2019-07-07 00:39:45 +00:00
SET output_format_write_statistics = 0;
SET experimental_use_processors = 0;
2019-07-07 00:39:45 +00:00
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;