OrioleDB seems interesting, not sure it's what you're after but worth a look.
It is, but it's not usable right now without some patches to postgres. At least that was the case as of PG17, and very likely 18 too.
Context: https://www.orioledb.com/docs#:~:text=OrioleDB%20currently%2...
It is, but it's not usable right now without some patches to postgres. At least that was the case as of PG17, and very likely 18 too.
Context: https://www.orioledb.com/docs#:~:text=OrioleDB%20currently%2...