mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
8 lines
373 B
SQL
8 lines
373 B
SQL
SELECT
|
|
arrayReduce('uniq', [1, 2, 1]) AS a,
|
|
arrayReduce('uniq', [1, 2, 2, 1], ['hello', 'world', '', '']) AS b,
|
|
arrayReduce('uniqUpTo(5)', [1, 2, 2, 1], materialize(['hello', 'world', '', ''])) AS c,
|
|
arrayReduce('uniqExactIf', [1, 2, 3, 4], [1, 0, 1, 1]) AS d;
|
|
|
|
SELECT arrayReduce('quantiles(0.5, 0.9)', range(number) AS r), r FROM system.numbers LIMIT 12;
|