mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-01 20:12:02 +00:00
17 lines
483 B
SQL
17 lines
483 B
SQL
DROP TABLE IF EXISTS t1 SYNC;
|
|
CREATE TABLE t1 (v UInt64) ENGINE=ReplicatedMergeTree('/test/tables/{database}/test/t1', 'r1') ORDER BY v PARTITION BY v;
|
|
INSERT INTO t1 values(1);
|
|
ALTER TABLE t1 ADD COLUMN s String;
|
|
INSERT INTO t1 values(1, '1');
|
|
ALTER TABLE t1 MODIFY COLUMN s Nullable(String);
|
|
-- SELECT _part, * FROM t1;
|
|
|
|
alter table t1 detach partition 1;
|
|
|
|
SELECT _part, * FROM t1;
|
|
--0 rows in set. Elapsed: 0.001 sec.
|
|
|
|
alter table t1 attach partition 1;
|
|
select count() from t1;
|
|
|