mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 21:42:39 +00:00
21 lines
748 B
SQL
21 lines
748 B
SQL
DROP TABLE IF EXISTS test.alter_attach;
|
|
CREATE TABLE test.alter_attach (x UInt64, p UInt8) ENGINE = MergeTree ORDER BY tuple() PARTITION BY p;
|
|
INSERT INTO test.alter_attach VALUES (1, 1), (2, 1), (3, 1);
|
|
|
|
ALTER TABLE test.alter_attach DETACH PARTITION 1;
|
|
|
|
ALTER TABLE test.alter_attach ADD COLUMN s String;
|
|
INSERT INTO test.alter_attach VALUES (4, 2, 'Hello'), (5, 2, 'World');
|
|
|
|
ALTER TABLE test.alter_attach ATTACH PARTITION 1;
|
|
SELECT * FROM test.alter_attach ORDER BY x;
|
|
|
|
ALTER TABLE test.alter_attach DETACH PARTITION 2;
|
|
ALTER TABLE test.alter_attach DROP COLUMN s;
|
|
INSERT INTO test.alter_attach VALUES (6, 3), (7, 3);
|
|
|
|
ALTER TABLE test.alter_attach ATTACH PARTITION 2;
|
|
SELECT * FROM test.alter_attach ORDER BY x;
|
|
|
|
DROP TABLE test.alter_attach;
|