mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 10:02:01 +00:00
15 lines
520 B
SQL
15 lines
520 B
SQL
DROP TABLE IF EXISTS mergetree_00712;
|
|
CREATE TABLE mergetree_00712 (x UInt8, s String) ENGINE = MergeTree ORDER BY tuple();
|
|
|
|
INSERT INTO mergetree_00712 VALUES (1, 'Hello, world!');
|
|
SELECT * FROM mergetree_00712;
|
|
|
|
ALTER TABLE mergetree_00712 ADD COLUMN y UInt8 DEFAULT 0;
|
|
INSERT INTO mergetree_00712 VALUES (2, 'Goodbye.', 3);
|
|
SELECT * FROM mergetree_00712 ORDER BY x;
|
|
|
|
SELECT s FROM mergetree_00712 PREWHERE x AND y ORDER BY s;
|
|
SELECT s, y FROM mergetree_00712 PREWHERE x AND y ORDER BY s;
|
|
|
|
DROP TABLE mergetree_00712;
|