mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 13:13:36 +00:00
18 lines
630 B
MySQL
18 lines
630 B
MySQL
|
DROP TABLE IF EXISTS visits;
|
||
|
|
DROP TABLE IF EXISTS visits_dist;
|
||
|
|
|
||
|
|
CREATE TABLE visits(StartDate Date, Name String) ENGINE MergeTree ORDER BY(StartDate);
|
||
|
|
CREATE TABLE visits_dist AS visits ENGINE Distributed(test_cluster_two_shards_localhost, currentDatabase(), 'visits', rand());
|
||
|
|
|
||
|
|
INSERT INTO visits_dist (StartDate, Name) VALUES ('2020-01-01', 'hello');
|
||
|
|
INSERT INTO visits_dist (StartDate, Name) VALUES ('2020-01-02', 'hello2');
|
||
|
|
|
||
|
|
ALTER TABLE visits RENAME COLUMN Name TO Name2;
|
||
|
|
ALTER TABLE visits_dist RENAME COLUMN Name TO Name2;
|
||
|
|
|
||
|
|
SELECT * FROM visits_dist ORDER BY StartDate, Name2;
|
||
|
|
|
||
|
|
DROP TABLE visits;
|
||
|
|
DROP TABLE visits_dist;
|
||
|
|
|