mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-29 02:52:13 +00:00
18 lines
415 B
MySQL
18 lines
415 B
MySQL
|
DROP TABLE IF EXISTS v;
|
||
|
|
CREATE VIEW v (`date` UInt32,`value` UInt8) AS
|
||
|
|
WITH
|
||
|
|
data AS (SELECT '' id LIMIT 0),
|
||
|
|
r AS (SELECT'' as id, 1::UInt8 as value)
|
||
|
|
SELECT
|
||
|
|
now() as date,
|
||
|
|
value AND (data.id IN (SELECT '' as d from system.one)) AS value
|
||
|
|
FROM data
|
||
|
|
LEFT JOIN r ON data.id = r.id;
|
||
|
|
|
||
|
|
SELECT 1;
|
||
|
|
SELECT date, value FROM v;
|
||
|
|
SELECT 2;
|
||
|
|
SELECT date, value FROM v ORDER BY date;
|
||
|
|
SELECT 3;
|
||
|
|
DROP TABLE v;
|