mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 23:52:03 +00:00
23 lines
884 B
SQL
23 lines
884 B
SQL
USE test;
|
|
|
|
SELECT arrayDistinct([1, 2, 3]);
|
|
SELECT arrayDistinct([1, 2, 3, 2, 2]);
|
|
SELECT arrayDistinct([1, 2, NULL, 5, 2, NULL]);
|
|
|
|
SELECT arrayDistinct(['1212', 'sef', '343r4']);
|
|
SELECT arrayDistinct(['1212', 'sef', '343r4', '1212']);
|
|
SELECT arrayDistinct(['1212', 'sef', '343r4', NULL, NULL, '232']);
|
|
|
|
DROP TABLE IF EXISTS arrayDistinct_test;
|
|
CREATE TABLE arrayDistinct_test(arr_int Array(UInt8), arr_string Array(String)) ENGINE=Memory;
|
|
INSERT INTO arrayDistinct_test values ([1, 2, 3], ['a', 'b', 'c']), ([21, 21, 21, 21], ['123', '123', '123']);
|
|
|
|
SELECT arrayDistinct(arr_int) FROM arrayDistinct_test;
|
|
SELECT arrayDistinct(arr_string) FROM arrayDistinct_test;
|
|
|
|
DROP TABLE arrayDistinct_test;
|
|
|
|
SELECT arrayDistinct([['1212'], ['sef'], ['343r4'], ['1212']]);
|
|
SELECT arrayDistinct([(1, 2), (1, 3), (1, 2), (1, 2), (1, 2), (1, 5)]);
|
|
SELECT length(arrayDistinct([NULL, NULL, NULL]));
|