mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-19 06:50:50 +00:00
13 lines
487 B
MySQL
13 lines
487 B
MySQL
|
SET max_threads = 1;
|
||
|
|
|
||
|
|
SELECT 1 UNION ALL SELECT -1;
|
||
|
|
SELECT x, toTypeName(x) FROM (SELECT 1 AS x UNION ALL SELECT -1);
|
||
|
|
|
||
|
|
SELECT 1 UNION ALL SELECT NULL;
|
||
|
|
SELECT x, toTypeName(x) FROM (SELECT 1 AS x UNION ALL SELECT NULL);
|
||
|
|
|
||
|
|
SELECT 1 AS x UNION ALL SELECT NULL UNION ALL SELECT 1.0;
|
||
|
|
SELECT x, toTypeName(x), count() FROM (SELECT 1 AS x UNION ALL SELECT NULL UNION ALL SELECT 1.0) GROUP BY x;
|
||
|
|
|
||
|
|
SELECT arrayJoin(x) AS res FROM (SELECT [1, 2, 3] AS x UNION ALL SELECT [nan, NULL]) ORDER BY res;
|