mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-06 07:32:27 +00:00
38 lines
1.9 KiB
SQL
38 lines
1.9 KiB
SQL
SELECT
|
|
uniq(x), uniq((x)), uniq(x, y), uniq((x, y)), uniq(x, y, z), uniq((x, y, z)),
|
|
uniqCombined(x), uniqCombined((x)), uniqCombined(x, y), uniqCombined((x, y)), uniqCombined(x, y, z), uniqCombined((x, y, z)),
|
|
uniqCombined(17)(x), uniqCombined(17)((x)), uniqCombined(17)(x, y), uniqCombined(17)((x, y)), uniqCombined(17)(x, y, z), uniqCombined(17)((x, y, z)),
|
|
uniqHLL12(x), uniqHLL12((x)), uniqHLL12(x, y), uniqHLL12((x, y)), uniqHLL12(x, y, z), uniqHLL12((x, y, z)),
|
|
uniqExact(x), uniqExact((x)), uniqExact(x, y), uniqExact((x, y)), uniqExact(x, y, z), uniqExact((x, y, z)),
|
|
uniqUpTo(5)(x), uniqUpTo(5)((x)), uniqUpTo(5)(x, y), uniqUpTo(5)((x, y)), uniqUpTo(5)(x, y, z), uniqUpTo(5)((x, y, z))
|
|
FROM
|
|
(
|
|
SELECT
|
|
number % 10 AS x,
|
|
intDiv(number, 10) % 10 AS y,
|
|
toString(intDiv(number, 100) % 10) AS z
|
|
FROM system.numbers LIMIT 1000
|
|
);
|
|
|
|
|
|
SELECT k,
|
|
uniq(x), uniq((x)), uniq(x, y), uniq((x, y)), uniq(x, y, z), uniq((x, y, z)),
|
|
uniqCombined(x), uniqCombined((x)), uniqCombined(x, y), uniqCombined((x, y)), uniqCombined(x, y, z), uniqCombined((x, y, z)),
|
|
uniqCombined(17)(x), uniqCombined(17)((x)), uniqCombined(17)(x, y), uniqCombined(17)((x, y)), uniqCombined(17)(x, y, z), uniqCombined(17)((x, y, z)),
|
|
uniqHLL12(x), uniqHLL12((x)), uniqHLL12(x, y), uniqHLL12((x, y)), uniqHLL12(x, y, z), uniqHLL12((x, y, z)),
|
|
uniqExact(x), uniqExact((x)), uniqExact(x, y), uniqExact((x, y)), uniqExact(x, y, z), uniqExact((x, y, z)),
|
|
uniqUpTo(5)(x), uniqUpTo(5)((x)), uniqUpTo(5)(x, y), uniqUpTo(5)((x, y)), uniqUpTo(5)(x, y, z), uniqUpTo(5)((x, y, z)),
|
|
count() AS c
|
|
FROM
|
|
(
|
|
SELECT
|
|
(number + 0x8ffcbd8257219a26) * 0x66bb3430c06d2353 % 131 AS k,
|
|
number % 10 AS x,
|
|
intDiv(number, 10) % 10 AS y,
|
|
toString(intDiv(number, 100) % 10) AS z
|
|
FROM system.numbers LIMIT 100000
|
|
)
|
|
GROUP BY k
|
|
ORDER BY c DESC, k ASC
|
|
LIMIT 10;
|