Andrew Dunstan wrote: > > > Tom Lane wrote: > > Robert Haas <robertmh...@gmail.com> writes: > > > >> OK, fair enough. My implication that only page formats were at issue > >> was off-base. My underlying point was that I think we have to be > >> prepared to write code that can understand old binary formats (on the > >> tuple, page, or relation level) if we want this to work and work > >> reliably. I believe that there has been much resistance to that idea. > >> > > > > We keep looking for cheaper alternatives. There may not be any... > > > > > > > > Yeah. I think we might need to bite the bullet on that and start > thinking more about different strategies for handling page versioning to > satisfy various needs. I've been convinced for a while that some sort of > versioning scheme is inevitable, but I do understand the reluctance.
I always felt our final solution would be a combination of pg_migrator for system catalog changes and page format conversion for page changes. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
