mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 01:51:59 +00:00
26 lines
1.5 KiB
SQL
26 lines
1.5 KiB
SQL
CREATE TABLE IF NOT EXISTS data (sketch Array(Int8)) ENGINE=Memory;
|
|
|
|
INSERT INTO data VALUES ([-1,-1,-1]), ([4,-1,2]), ([0,25,-1]), ([-1,-1,7]), ([-1,-1,-1]);
|
|
|
|
SELECT max(sketch) FROM data;
|
|
|
|
SELECT maxArray(sketch) FROM data;
|
|
|
|
SELECT maxForEach(sketch) FROM data;
|
|
|
|
DROP TABLE data;
|
|
|
|
|
|
SELECT k, sumForEach(arr) FROM (SELECT number % 3 AS k, range(number) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
SELECT k, sumForEach(arr) FROM (SELECT intDiv(number, 3) AS k, range(number) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
|
|
SELECT k, groupArrayForEach(arr) FROM (SELECT number % 3 AS k, range(number) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
SELECT k, groupArrayForEach(arr) FROM (SELECT intDiv(number, 3) AS k, range(number) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
|
|
SELECT k, groupArrayForEach(arr) FROM (SELECT number % 3 AS k, arrayMap(x -> toString(x), range(number)) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
SELECT k, groupArrayForEach(arr) FROM (SELECT intDiv(number, 3) AS k, arrayMap(x -> toString(x), range(number)) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
|
|
SELECT k, groupArrayForEach(arr), quantilesExactForEach(0.5, 0.9)(arr) FROM (SELECT intDiv(number, 3) AS k, arrayMap(x -> number + x, range(number)) AS arr FROM system.numbers LIMIT 10) GROUP BY k ORDER BY k;
|
|
|
|
SELECT uniqForEach(x) FROM (SELECT emptyArrayUInt8() AS x UNION ALL SELECT [1, 2, 3] UNION ALL SELECT emptyArrayUInt8() UNION ALL SELECT [2, 2]);
|