2021-09-12 12:35:27 +00:00
|
|
|
-- Tags: distributed
|
|
|
|
|
2021-02-10 18:09:13 +00:00
|
|
|
set insert_distributed_sync = 1;
|
|
|
|
|
2020-05-07 17:39:33 +00:00
|
|
|
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;
|
|
|
|
|