On Thu, Mar 18, 2010 at 15:07, Jeff Davis <pg...@j-davis.com> wrote: > On Thu, 2010-03-18 at 16:50 -0400, Tom Lane wrote: >> The VM is (a) not compressed and (b) not correctness-critical. >> Wrong bit values don't do any serious damage. > > The VM cause wrong results if a bit is set that's not supposed to be -- > right? Am I missing something? How does a seq scan skip visibility > checks and still produce right results, if it doesn't rely on the bit?
Isn't it only really used for VACUUM at this point? -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers