Re: replacements for vacuum?

Lonni J Friedman <netllama@gmail.com> writes:
> I'd like to be able to run vacuum in a 'test' or read-only mode where
> i'd see what it would do before actually running it.

Er ... what possible value would that have?  ISTM it would expend 80% of
the effort to achieve 0% of the result.

            regards, tom lane