mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 13:42:02 +00:00
27 lines
818 B
SQL
27 lines
818 B
SQL
DROP TABLE IF EXISTS t;
|
|
create table t( s String ) Engine=Memory as select arrayJoin (['a','b','c']);
|
|
|
|
SELECT round((sum(multiIf(s IN ('a', 'b'), 1, 0)) / count()) * 100) AS r
|
|
FROM cluster('test_cluster_two_shards', currentDatabase(), t);
|
|
|
|
DROP TABLE t;
|
|
|
|
|
|
DROP TABLE IF EXISTS test_alias;
|
|
|
|
CREATE TABLE test_alias(`a` Int64, `b` Int64, `c` Int64, `day` Date, `rtime` DateTime) ENGINE = Memory
|
|
as select 0, 0, 0, '2022-01-01', 0 from zeros(10);
|
|
|
|
WITH
|
|
sum(if((a >= 0) AND (b != 100) AND (c = 0), 1, 0)) AS r1,
|
|
sum(if((a >= 0) AND (b != 100) AND (c > 220), 1, 0)) AS r2
|
|
SELECT
|
|
(intDiv(toUInt32(rtime), 20) * 20) * 1000 AS t,
|
|
(r1 * 100) / (r1 + r2) AS m
|
|
FROM cluster('test_cluster_two_shards', currentDatabase(), test_alias)
|
|
WHERE day = '2022-01-01'
|
|
GROUP BY t
|
|
ORDER BY t ASC;
|
|
|
|
DROP TABLE test_alias;
|