mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-21 09:10:48 +00:00
42 lines
1.4 KiB
SQL
42 lines
1.4 KiB
SQL
DROP TABLE IF EXISTS tmp;
|
|
|
|
SET mutations_sync = 2;
|
|
|
|
CREATE TABLE tmp (x Int64) ENGINE = MergeTree() ORDER BY tuple() PARTITION BY tuple();
|
|
INSERT INTO tmp SELECT * FROM system.numbers LIMIT 20;
|
|
|
|
ALTER TABLE tmp MATERIALIZE COLUMN x; -- { serverError 36 }
|
|
|
|
ALTER TABLE tmp ADD COLUMN s String DEFAULT toString(x);
|
|
SELECT arraySort(arraySort(groupArray(x))), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MODIFY COLUMN s String DEFAULT toString(x+1);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MATERIALIZE COLUMN s;
|
|
ALTER TABLE tmp MODIFY COLUMN s String DEFAULT toString(x+2);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MATERIALIZE COLUMN s;
|
|
ALTER TABLE tmp MODIFY COLUMN s String DEFAULT toString(x+3);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
ALTER TABLE tmp DROP COLUMN s;
|
|
|
|
ALTER TABLE tmp ADD COLUMN s String MATERIALIZED toString(x);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MODIFY COLUMN s String MATERIALIZED toString(x+1);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MATERIALIZE COLUMN s;
|
|
ALTER TABLE tmp MODIFY COLUMN s String MATERIALIZED toString(x+2);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
|
|
ALTER TABLE tmp MATERIALIZE COLUMN s;
|
|
ALTER TABLE tmp MODIFY COLUMN s String MATERIALIZED toString(x+3);
|
|
SELECT arraySort(groupArray(x)), groupArray(s) FROM tmp;
|
|
ALTER TABLE tmp DROP COLUMN s;
|
|
|
|
DROP TABLE tmp;
|
|
|