mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-19 15:01:03 +00:00
18 lines
637 B
MySQL
18 lines
637 B
MySQL
|
DROP TABLE IF EXISTS test.alter;
|
||
|
|
CREATE TABLE test.alter (d Date, k UInt64, i32 Int32, n Nested(ui8 UInt8, s String)) ENGINE=MergeTree(d, k, 8192);
|
||
|
|
|
||
|
|
INSERT INTO test.alter VALUES ('2015-01-01', 3, 30, [1,2,3], ['1','12','123']);
|
||
|
|
INSERT INTO test.alter VALUES ('2015-01-01', 2, 20, [1,2], ['1','12']);
|
||
|
|
INSERT INTO test.alter VALUES ('2015-01-01', 1, 10, [1], ['1']);
|
||
|
|
|
||
|
|
ALTER TABLE test.alter ADD COLUMN `n.i8` Array(Int8) AFTER i32;
|
||
|
|
|
||
|
|
SELECT `n.i8`, `n.ui8`, `n.s` FROM test.alter ORDER BY k;
|
||
|
|
SELECT `n.i8` FROM test.alter ORDER BY k;
|
||
|
|
|
||
|
|
OPTIMIZE TABLE test.alter;
|
||
|
|
|
||
|
|
SELECT `n.i8` FROM test.alter ORDER BY k;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS test.alter;
|