Hannu Krosing <hannu@tm.ee> writes:
> The initial Postgres design had a notion of StorageManager's, which
> should make this very easy indeed, if it had been kept working .
But the storage manager interface was never built to hide issues like
tuple representation --- storage managers just deal in raw pages.
I doubt it would have helped in the least for anything we've been
concerned about.
regards, tom lane