mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 17:12:03 +00:00
24 lines
1.1 KiB
MySQL
24 lines
1.1 KiB
MySQL
|
SET allow_experimental_window_view = 1;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS data_02342;
|
||
|
|
DROP TABLE IF EXISTS window_view_02342;
|
||
|
|
|
||
|
|
-- ALTER
|
||
|
|
CREATE TABLE data_02342 (a UInt8) ENGINE=MergeTree ORDER BY a;
|
||
|
|
CREATE WINDOW VIEW window_view_02342 ENGINE=Memory AS SELECT count(a), tumbleStart(wid) AS w_start, tumbleEnd(tumble(now(), INTERVAL '3' SECOND)) AS w_end FROM data_02342 GROUP BY tumble(now(), INTERVAL '3' SECOND) AS wid;
|
||
|
|
INSERT INTO data_02342 VALUES (42);
|
||
|
|
ALTER TABLE data_02342 ADD COLUMN s String;
|
||
|
|
INSERT INTO data_02342 VALUES (42, 'data_02342');
|
||
|
|
DROP TABLE data_02342;
|
||
|
|
DROP TABLE window_view_02342;
|
||
|
|
|
||
|
|
-- DROP/CREATE
|
||
|
|
CREATE TABLE data_02342 (a UInt8) ENGINE=MergeTree ORDER BY a;
|
||
|
|
CREATE WINDOW VIEW window_view_02342 ENGINE=Memory AS SELECT count(a), tumbleStart(wid) AS w_start, tumbleEnd(tumble(now(), INTERVAL '3' SECOND)) AS w_end FROM data_02342 GROUP BY tumble(now(), INTERVAL '3' SECOND) AS wid;
|
||
|
|
INSERT INTO data_02342 VALUES (42);
|
||
|
|
DROP TABLE data_02342;
|
||
|
|
CREATE TABLE data_02342 (a UInt8, s String) ENGINE=MergeTree ORDER BY a;
|
||
|
|
INSERT INTO data_02342 VALUES (42, 'data_02342');
|
||
|
|
DROP TABLE data_02342;
|
||
|
|
DROP TABLE window_view_02342;
|