On Tue, Apr 30, 2013 at 12:02:59PM -0400, Robert Haas wrote: > On Tue, Apr 30, 2013 at 10:40 AM, Kevin Grittner <kgri...@ymail.com> wrote: > >>> What is a real problem or risk with using this mechanism until we > >>> engineer something better? What problems with converting to a > >>> later major release does anyone see? > >> > >> Well, it's a pg_upgrade hazard, if nothing else, isn't it? > > > > I don't think so. What do you see as a problem? > > pg_upgrade only handles changes in catalog state, not on-disk > representation. If the on-disk representation of an non-scannable > view might change in a future release, it's a pg_upgrade hazard.
Yes, pg_upgrade is never going to write to data pages as that would be slow and prevent the ability to roll back to the previous cluster on error. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers