mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-11 18:14:03 +00:00
17 lines
1.1 KiB
SQL
17 lines
1.1 KiB
SQL
SELECT count() FROM (SELECT number AS x FROM system.numbers LIMIT 10);
|
|
|
|
SELECT count(x) FROM (SELECT number AS x FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT number AS x, number AS y FROM system.numbers LIMIT 10);
|
|
|
|
SELECT count(x) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x, number AS y FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT number AS x, CAST(number AS Nullable(UInt64)) AS y FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x, CAST(number AS Nullable(UInt64)) AS y FROM system.numbers LIMIT 10);
|
|
|
|
SELECT count(x) FROM (SELECT nullIf(number, 5) AS x FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT nullIf(number, 5) AS x, number AS y FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT number AS x, nullIf(number, 3) AS y FROM system.numbers LIMIT 10);
|
|
SELECT count(x, y) FROM (SELECT nullIf(number, 5) AS x, nullIf(number, 3) AS y FROM system.numbers LIMIT 10);
|
|
|
|
SELECT count(NULL);
|