On Fri, Apr 29, 2016 at 08:37:57AM -0700, Joshua Drake wrote:
> >Technically, this is exactly what pg_upgrade does.  I think what you
> >really mean is for the backend binary to be able to read the system
> >tables and WAL files of the old clusters --- something I can't see us
> >implementing anytime soon.
> >
> For the most part, pg_upgrade is good enough. There are exceptions and it
> does need a more thorough test suite but as a whole, it works. As nice as
> being able to install 9.6 right on top of 9.5 and have 9.6 magically work,
> it is certainly not a *requirement* anymore.

Yes, the trick would be making the new 9.6 features work with the
existing 9.5 system tables that don't know about the 9.6 features.

  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I. As I am, so you will be. +
+                     Ancient Roman grave inscription +

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