Pierre, > I added a field in PageHeader which contains : > - 0 to indicate a non-compressed page > - length of compressed data if compressed > > If compression gains nothing (ie gains less than 4K), the page is > stored raw. > > It seems that only pages having a PageHeader are handled by md.c, so > it should work (am I mistaken ?)
Well, there's the issue of upgradability; this would require us to have an incompatible upgrade of on-disk formats. So we don't want to go further down this route unless we're sure it's worthwhile. -- Josh Berkus PostgreSQL Experts Inc. www.pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers