mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
74 lines
2.1 KiB
SQL
74 lines
2.1 KiB
SQL
|
|
DROP TABLE IF EXISTS alter_00061;
|
|
set allow_deprecated_syntax_for_merge_tree=1;
|
|
CREATE TABLE alter_00061 (d Date, k UInt64, i32 Int32) ENGINE=MergeTree(d, k, 8192);
|
|
|
|
INSERT INTO alter_00061 VALUES ('2015-01-01', 10, 42);
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 ADD COLUMN n Nested(ui8 UInt8, s String);
|
|
INSERT INTO alter_00061 VALUES ('2015-01-01', 8, 40, [1,2,3], ['12','13','14']);
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 ADD COLUMN `n.d` Array(Date);
|
|
INSERT INTO alter_00061 VALUES ('2015-01-01', 7, 39, [10,20,30], ['120','130','140'],['2000-01-01','2000-01-01','2000-01-03']);
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 ADD COLUMN s String DEFAULT '0';
|
|
INSERT INTO alter_00061 VALUES ('2015-01-01', 6,38,[10,20,30],['asd','qwe','qwe'],['2000-01-01','2000-01-01','2000-01-03'],'100500');
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 DROP COLUMN `n.d`, MODIFY COLUMN s Int64;
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 ADD COLUMN `n.d` Array(Date), MODIFY COLUMN s UInt32;
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
OPTIMIZE TABLE alter_00061;
|
|
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 DROP COLUMN n.ui8, DROP COLUMN n.d;
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 DROP COLUMN n.s;
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 ADD COLUMN n.s Array(String), ADD COLUMN n.d Array(Date);
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
ALTER TABLE alter_00061 DROP COLUMN n;
|
|
|
|
DESC TABLE alter_00061;
|
|
SHOW CREATE TABLE alter_00061;
|
|
SELECT * FROM alter_00061 ORDER BY k;
|
|
|
|
DROP TABLE alter_00061;
|