Please consider comparing pg_clickhouse to pgrust.
https://malisper.me/how-we-made-postgres-hundreds-of-times-f...
They're not really compatable. Your link already compares pgrust & clickhouse. A comparison would not be by using postgres_fdw from postgres to pgrust
alt Hacker News
They're not really compatable. Your link already compares pgrust & clickhouse. A comparison would not be by using postgres_fdw from postgres to pgrust