DROP TABLE IF EXISTS log_for_alter; CREATE TABLE log_for_alter ( id UInt64, Data String ) ENGINE = Log(); ALTER TABLE log_for_alter MODIFY SETTING aaa=123; -- { serverError 468 } DROP TABLE IF EXISTS log_for_alter; DROP TABLE IF EXISTS table_for_alter; CREATE TABLE table_for_alter ( id UInt64, Data String ) ENGINE = MergeTree() ORDER BY id SETTINGS index_granularity=4096; ALTER TABLE table_for_alter MODIFY SETTING index_granularity=555; -- { serverError 469 } SHOW CREATE TABLE table_for_alter; ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 1, parts_to_delay_insert = 1; SHOW CREATE TABLE table_for_alter; INSERT INTO table_for_alter VALUES (1, '1'); INSERT INTO table_for_alter VALUES (2, '2'); -- { serverError 252 } DETACH TABLE table_for_alter; ATTACH TABLE table_for_alter; INSERT INTO table_for_alter VALUES (2, '2'); -- { serverError 252 } ALTER TABLE table_for_alter MODIFY SETTING xxx_yyy=124; -- { serverError 115 } ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 100, parts_to_delay_insert = 100; INSERT INTO table_for_alter VALUES (2, '2'); SHOW CREATE TABLE table_for_alter; SELECT COUNT() FROM table_for_alter; ALTER TABLE table_for_alter MODIFY SETTING check_delay_period=10, check_delay_period=20, check_delay_period=30; SHOW CREATE TABLE table_for_alter; DROP TABLE IF EXISTS table_for_alter;