mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 07:31:57 +00:00
14 lines
346 B
SQL
14 lines
346 B
SQL
SELECT
|
|
toNullable(NULL) AS a,
|
|
toNullable('Hello') AS b,
|
|
toNullable(toNullable(1)) AS c,
|
|
toNullable(materialize(NULL)) AS d,
|
|
toNullable(materialize('Hello')) AS e,
|
|
toNullable(toNullable(materialize(1))) AS f,
|
|
toTypeName(a),
|
|
toTypeName(b),
|
|
toTypeName(c),
|
|
toTypeName(d),
|
|
toTypeName(e),
|
|
toTypeName(f);
|