DROP TABLE IF EXISTS default_table; CREATE TABLE default_table ( key UInt64 DEFAULT 42, value1 UInt64 MATERIALIZED key * key, value2 ALIAS value1 * key ) ENGINE = MergeTree() ORDER BY tuple(); ALTER TABLE default_table MODIFY COLUMN key REMOVE MATERIALIZED; --{serverError 36} ALTER TABLE default_table MODIFY COLUMN key REMOVE ALIAS; --{serverError 36} ALTER TABLE default_table MODIFY COLUMN value1 REMOVE DEFAULT; --{serverError 36} ALTER TABLE default_table MODIFY COLUMN value1 REMOVE ALIAS; --{serverError 36} ALTER TABLE default_table MODIFY COLUMN value2 REMOVE DEFAULT; --{serverError 36} ALTER TABLE default_table MODIFY COLUMN value2 REMOVE MATERIALIZED; --{serverError 36} SHOW CREATE TABLE default_table; DROP TABLE IF EXISTS default_table;