Clickhouse: Allow to undo ALTER TABLE ... MODIFY SETTING

[simPod]

I run

ALTER TABLE target_table on CLUSTER '{cluster}' MODIFY SETTING merge_with_ttl_timeout = 3600

But there's no way to undo it. I want the default TTL value to be mirrored for the table so I need to reset this settings.

I can run

ALTER TABLE target_table on CLUSTER '{cluster}' MODIFY SETTING merge_with_ttl_timeout = 86400

but that still would be only static setting and default would not be mirrored.

[den-crane]

maybe implement something like
ALTER TABLE ... REMOVE SETTINGS
ALTER TABLE ... RESET SETTINGS

[amosbird]

Or ALTER TABLE ... MODIFY SETTINGS xxx = DEFAULT