Thanks Randal! I hope to be able to complete a follow-up post on how to automate most of the schema changes by utilizing a form of data contract with the data owner of each metric table. It is very easy to roll out incorrect changes when working with the materialized views in a sharded ClickHouse table due to the need to having to toggle the materialized view and distributed tables when changing the underlying long-term storage tables.
AntonFriberg|2 years ago