On 1/20/2015 1:55 PM, Glyn Astill wrote:
>
>
>
> ----- Original Message -----
>> From: Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk>
>> To: John Scalia <jayknowsunix(at)gmail(dot)com>; "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
>> Cc:
>> Sent: Tuesday, 20 January 2015, 18:42
>> Subject: Re: [ADMIN] cannot drop an extension
>>
>>
>>
>>
>>
>> ----- Original Message -----
>>> From: John Scalia <jayknowsunix(at)gmail(dot)com>
>>> To: "pgsql-admin(at)postgresql(dot)org"
>> <pgsql-admin(at)postgresql(dot)org>
>>> Cc:
>>> Sent: Tuesday, 20 January 2015, 18:12
>>> Subject: [ADMIN] cannot drop an extension
>>>
>>> Hi all,
>>>
>>> My pg_upgrade woes continue... The primary server, V9.3.3, was originally
>> used
>>> as a testbed for pgpool-II, although we ended up chosing pacemaker and
>> corosync
>>> instead. When pgpool
>>> was installed, the instructions have you add a pgpool-regclass extension.
>>> Naturally, trying to upgrade to V9.4.0 fails and pg_upgrade writes a
>>> loadable_libraries.txt saying that
>>> $libdir/pgpool-regclass cannot be found. So, I restarted the original
>> database,
>>> and connected to both my csg_db instance and to the template1 instance,
>> then
>>> tried issuing a "drop
>>> extension pgpool-reglass", but the both the db's say it does not
>> exist.
>>> I also tried dropping it by enclosing the extension name in quotes, both
>> single
>>> and double with no joy.
>>> Then, I tried looking in pg_extensions, but I didn't see any similar
>> entry
>>> there either. How can I get rid of this extension so that pg_upgrade will
>>> complete successfully? I've
>>> asked on the pgpool admin list, but as it's the middle of the night in
>>> Japan, I'm not expecting an immediate answer, if any.
>>
>> Sounds like you need to remove the pgpool-regclass entry from the
>> shared_preload_libraries entry in your postgresql.conf
>>
>
> Actually after looking at the pgpool website, it looks like this isn't a shared preload library, but just a function.
>
> Is it possible you installed the extension via the sql script rather than using create extension? IF so you just need to drop the relevent objects; take a look in the contrib directory.
>
Will try that, as soon my daily standup (agile) call is done today.