On 2 November 2015 at 14:19, Michael Paquier <michael.paqu...@gmail.com> wrote:
> pg_upgradecluster has some logic to switch a parameter value (see > strrepl) That's part of pg_wrapper, not core, though. I'd quite like to see pg_wrapper become part of the PGDG RPMs, but right now AFAIK it's a Debian-derived-only thing. > and pg_upgrade does not handle parameter name switches by > itself Exactly. > so the price to pay would be more maintenance annoyance for > existing upgrade scripts, which happens at more or less each major > release (checkpoint_segments removed in 9.5, unix_socket_directory > renamed in 9.3, etc.). Fair point. I'm not a great fan of how those changes affect users, but I've also seen what too much backward compatibility can do to a project. (Ref: Java, the Win32 APIs). If users miss it then it won't explode anything in a way that's dangerous or harmful, so I won't complain overly. I just wanted to raise it as a possible concern. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers