DROP TABLE IF EXISTS replicated_alter1; DROP TABLE IF EXISTS replicated_alter2; CREATE TABLE replicated_alter1 (d Date, k UInt64, i32 Int32) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test/alter', 'r1', d, k, 8192); CREATE TABLE replicated_alter2 (d Date, k UInt64, i32 Int32) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test/alter', 'r2', d, k, 8192); INSERT INTO replicated_alter1 VALUES ('2015-01-01', 10, 42); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN dt DateTime; INSERT INTO replicated_alter1 VALUES ('2015-01-01', 9, 41, '1992-01-01 08:00:00'); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN n Nested(ui8 UInt8, s String); INSERT INTO replicated_alter1 VALUES ('2015-01-01', 8, 40, '2012-12-12 12:12:12', [1,2,3], ['12','13','14']); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN `n.d` Array(Date); INSERT INTO replicated_alter1 VALUES ('2015-01-01', 7, 39, '2014-07-14 13:26:50', [10,20,30], ['120','130','140'],['2000-01-01','2000-01-01','2000-01-03']); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN s String DEFAULT '0'; INSERT INTO replicated_alter1 VALUES ('2015-01-01', 6,38,'2014-07-15 13:26:50',[10,20,30],['asd','qwe','qwe'],['2000-01-01','2000-01-01','2000-01-03'],'100500'); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 DROP COLUMN `n.d`, MODIFY COLUMN s Int64; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN `n.d` Array(Date), MODIFY COLUMN s UInt32; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 DROP COLUMN n.ui8, DROP COLUMN n.d; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 DROP COLUMN n.s; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 ADD COLUMN n.s Array(String), ADD COLUMN n.d Array(Date); DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 DROP COLUMN n; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; ALTER TABLE replicated_alter1 MODIFY COLUMN dt Date, MODIFY COLUMN s DateTime; DESC TABLE replicated_alter1; SHOW CREATE TABLE replicated_alter1; DESC TABLE replicated_alter2; SHOW CREATE TABLE replicated_alter2; SELECT * FROM replicated_alter1 ORDER BY k; DROP TABLE replicated_alter1; DROP TABLE replicated_alter2;