On Wed, Jul 27, 2016 at 12:51:40PM -0400, Rakesh Kumar wrote:
> On Wed, Jul 27, 2016 at 12:47 PM, Bruce Momjian <br...@momjian.us> wrote:
> 
> > Yes.  I was saying I don't know how to improve pg_upgrade to address it.
> 
> This problem is there even in oracle/db2/sqlserver. None of them allow
> rollback to the lower version
> unless it is a minor version upgrade. Major version upgrade almost
> definitely involves change in transaction log
> (WAL) structure and hence no rollback.

Oh, good to know.

-- 
  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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