Josh Berkus <josh(at)agliodbs(dot)com> writes:
> I've been looking at pg_stat_user_tables (in 8.3, because of a project I
> have), and it appears that autovacuum, and only autovaccum, updates the
> data for this view.
Um ... it updates the last_autovacuum and last_autoanalyze columns,
but the others are not its responsibility.
regards, tom lane