Re: [GENERAL] pg_upgrade problem

Bruce Momjian wrote:
> hubert depesz lubaczewski wrote:
> > On Wed, Aug 31, 2011 at 01:23:05PM -0400, Bruce Momjian wrote:
> > > Can you get me the 9.0.X pg_class.relfrozenxid for the toast and heap
> > > tables involved?
> > 
> > Sure:
> > 
> > =# select oid::regclass, relfrozenxid from pg_class  where relname in ('transactions', 'pg_toast_106668498');
> >              oid             | relfrozenxid 
> > -----------------------------+--------------
> >  pg_toast.pg_toast_106668498 |   3673553926
> >  transactions                |   3623560321
> > (2 rows)
> 
> Working with depesz, I have found the cause.  The code I added to fix
> pg_upgrade in 9.0.4 and earlier releases didn't handle old 8.3 servers
> properly.  I mistakenly processed toast table with the same pg_dump
> query as used for pre-8.4 toast tables, not realizing those were not
> functional because there were no reloptions for toast tables in pre-8.4.
> 
> The attached applied patches fix all releases.  This will have to be
> mentioned in the 9.0.5 release notes, and we should probably do the same
> kind of announcement we did when I fixed this for 9.0.4.  :-(
> 
> Yeah, I should not have caused this bug.  It did not show up in any of
> my testing.

I have posted the bug and fix announcement to the announce email list.

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

  + It's impossible for everything to be true. +