ClickHouse/tests/queries/0_stateless/00433_ifnull.sql
Ivan 97f2a2213e
Move all folders inside /dbms one level up ()
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

22 lines
1.2 KiB
SQL

SELECT ifNull('x', 'y') AS res, toTypeName(res);
SELECT ifNull(materialize('x'), materialize('y')) AS res, toTypeName(res);
SELECT ifNull(toNullable('x'), 'y') AS res, toTypeName(res);
SELECT ifNull(toNullable('x'), materialize('y')) AS res, toTypeName(res);
SELECT ifNull('x', toNullable('y')) AS res, toTypeName(res);
SELECT ifNull(materialize('x'), toNullable('y')) AS res, toTypeName(res);
SELECT ifNull(toNullable('x'), toNullable('y')) AS res, toTypeName(res);
SELECT ifNull(toString(number), toString(-number)) AS res, toTypeName(res) FROM system.numbers LIMIT 5;
SELECT ifNull(nullIf(toString(number), '1'), toString(-number)) AS res, toTypeName(res) FROM system.numbers LIMIT 5;
SELECT ifNull(toString(number), nullIf(toString(-number), '-3')) AS res, toTypeName(res) FROM system.numbers LIMIT 5;
SELECT ifNull(nullIf(toString(number), '1'), nullIf(toString(-number), '-3')) AS res, toTypeName(res) FROM system.numbers LIMIT 5;
SELECT ifNull(NULL, 1) AS res, toTypeName(res);
SELECT ifNull(1, NULL) AS res, toTypeName(res);
SELECT ifNull(NULL, NULL) AS res, toTypeName(res);
SELECT IFNULL(NULLIF(toString(number), '1'), NULLIF(toString(-number), '-3')) AS res, toTypeName(res) FROM system.numbers LIMIT 5;