Gregory Stark wrote:
"Robert Haas" <[EMAIL PROTECTED]> writes:
An old page which never goes away. New page formats are introduced for a reason -- to support new features. An old page lying around indefinitely means some pages can't support those new features. Just as an example, DBAs may be surprised to find out that large swathes of their database are still not protected by CRC checksums months or years after having upgraded to 8.4 (or even 8.5 or 8.6 or ...). They would certainly want a way to ensure all their data is upgraded.
Then provide a manual mechanism to convert all pages? Joshua D. Drake -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers