"D'Arcy" "J.M." Cain <darcy@druid.net> writes:
> [Note to pgsql-hackers: I can't figure out why I have this and Kenneth
> doesn't. Can someone else figure out why?]
vacuumdb was added post-6.4, so it won't appear in 6.4.* tarfiles.
It wouldn't appear in your CVS pull either, if you pulled the REL6_4 tag
rather than the main branch.
There's no reason the script wouldn't work with 6.4, as far as I can
see.
regards, tom lane