Re: pg_upgrade from 9.1.3 to 9.2 failed

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On Fri, Sep 14, 2012 at 01:43:30PM +0800, Rural Hunter wrote:
> I am trying to test the upgrade from my 9.1.3 db to 9.2 on ubuntu
> 10.10 server. I got error below when run the pg_upgrade command.
> What can I do for this?
> 
> $ /opt/PostgreSQL/9.2/bin/pg_upgrade -b /opt/PostgreSQL/9.1/bin -B
> /opt/PostgreSQL/9.2/bin -d /raid/pgsql -D /raid/pg92data
> Performing Consistency Checks
> -----------------------------
> Checking current, bin, and data directories                 ok
> Checking cluster versions                                   ok
> Checking database user is a superuser                       ok
> Checking for prepared transactions                          ok
> Checking for reg* system OID user data types                ok
> Checking for contrib/isn with bigint-passing mismatch       ok
> Creating catalog dump                                       ok
> Checking for presence of required libraries                 ok
> Checking database user is a superuser                       ok
> Checking for prepared transactions                          ok
> 
> If pg_upgrade fails after this point, you must re-initdb the
> new cluster before continuing.
> 
> Performing Upgrade
> ------------------
> Analyzing all rows in the new cluster                       ok
> Freezing all rows on the new cluster                        ok
> Deleting files from new pg_clog                             ok
> Copying old pg_clog to new server                           ok
> Setting next transaction ID for new cluster                 ok
> Resetting WAL archives                                      ok
> Setting frozenxid counters in new cluster                   ok
> Creating databases in the new cluster                       ok
> Adding support functions to new cluster                     ok
> Restoring database schema to new cluster                    ok
> Removing support functions from new cluster                 ok
> Copying user relation files
>   /raid/pgsql/base/6087920/6088238
> old and new databases "testdb" have a different number of relations
> Failure, exiting

That is an odd failure.  That check was added in PG 9.1 and this is the
first time I am seeing this failure.

The check is to make sure that once we have created all the user schema
details in the new cluster, that there are the same number of objects in
the new and old databases. 

Obviously there are a different number in your case here, but I don't
know why those would be different, and in fact, because we have never
hit this, there isn't even any debug output that shows the source of the
difference.

If I send you a patch can you compile it and send back the debug output
it produces?

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

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


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