CREATE TABLE system_metrics ( id INT UNSIGNED NULL, host STRING NULL, cpu DOUBLE NULL COMMENT 'cpu', disk FLOAT NULL, ts TIMESTAMP NOT NULL DEFAULT current_timestamp(), TIME INDEX (ts), PRIMARY KEY (id, host) ) ENGINE=mito WITH( ttl = '7d', write_buffer_size = 1024 ); SHOW CREATE TABLE system_metrics; DROP TABLE system_metrics; CREATE TABLE not_supported_table_options_keys ( id INT UNSIGNED, host STRING, cpu DOUBLE, disk FLOAT, n INT COMMENT 'range key', ts TIMESTAMP NOT NULL DEFAULT current_timestamp(), TIME INDEX (ts), PRIMARY KEY (id, host) ) ENGINE=mito WITH( foo = 123, ttl = '7d', write_buffer_size = 1024 );