Bruce Momjian wrote: > On Fri, Jun 17, 2016 at 06:01:59PM -0400, Bruce Momjian wrote: > > On Fri, Jun 17, 2016 at 05:51:54PM -0400, Alvaro Herrera wrote: > > > Bruce Momjian wrote: > > > > The attached patch documents that pg_upgrade requires old/new servers to > > > > use compatibile collation library versions as well. > > > > > > I think this is way too thin to be helpful: > > > > Well, this is a much larger issue than pg_upgrade, e.g. moving a data > > directory from one cluster to another with a different collation library > > version could also cause problems, and I don't know that is documented > > at all. > > > > If we want to go larger, we have to do this in a more central location. > > Frankly, pg_upgrade is, by definition, upgrading on the same server, so > I don't even see how they could have mismatched collation library > versions, but it seemed good to document it.
By this argument, the proposed patch seems pointless to me. > The larger issue of moving clusters is a separate issue that needs > documentation somewhere else. Sure. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs