Re: pg_dump problems: [archiver (db)] query failed: ERROR: relation"pg_opfamily" does not exist

Op 8/20/2019 om 3:32 PM schreef Adrian Klaver:
> On 8/20/19 6:18 AM, Erwin Moller wrote:
>>
>>
>> Op 8/20/2019 om 2:07 PM schreef Ian Barwick:
>>> On 8/20/19 7:12 PM, Erwin Moller wrote:
>>>> Hi,
>>>>
>>>> While trying to move an old 8.1 Postgres install to a new server 
>>>> with postgres 10.10, I get an error, listed hereunder:
>>>> I am trying to get a mydump_x_x_x.sql file to use to reinstall on 
>>>> the target machine.
>>>>
>>>>  From my new machine I connect to my old machine like this:
>>>> erwin@ubuntu:~$  pg_dump -f "/home/erwin/mydump_$(date 
>>>> +%d_%m_%Y).sql" -C -h somehost.com -p 5433 -U myvalidusername -d 
>>>> myremotedb
>>>> Password:
>>>> pg_dump: [archiver (db)] query failed: ERROR:  relation 
>>>> "pg_opfamily" does not exist
>>>> pg_dump: [archiver (db)] query was: SELECT classid, objid, 
>>>> refclassid, refobjid, deptype FROM pg_depend WHERE deptype != 'p' 
>>>> AND deptype != 'e'
>>>> UNION ALL
>>>> SELECT 'pg_opfamily'::regclass AS classid, amopfamily AS objid, 
>>>> refclassid, refobjid, deptype FROM pg_depend d, pg_amop o WHERE 
>>>> deptype NOT IN ('p', 'e', 'i') AND classid = 'pg_amop'::regclass 
>>>> AND objid = o.oid AND NOT (refclassid = 'pg_opfamily'::regclass AND 
>>>> amopfamily = refobjid)
>>>> UNION ALL
>>>> SELECT 'pg_opfamily'::regclass AS classid, amprocfamily AS objid, 
>>>> refclassid, refobjid, deptype FROM pg_depend d, pg_amproc p WHERE 
>>>> deptype NOT IN ('p', 'e', 'i') AND classid = 'pg_amproc'::regclass 
>>>> AND objid = p.oid AND NOT (refclassid = 'pg_opfamily'::regclass AND 
>>>> amprocfamily = refobjid)
>>>> ORDER BY 1,2
>>>>
>>>> And no archive is created.
>>>>
>>>> Does any of you kind people have advice? I am sure this worked on 
>>>> postgres9.
>>>
>>> It looks like this was broken just before 10.10 was released, and 
>>> has since been fixed;
>>> see:
>>>
>>> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6844adba54f7d96f30f834efc6d9aa1e52e5672d 
>>>
>>>
>>> Your options are:
>>>  - find a 10.9 or earlier package and use the pg_dump from that
>>>  - build pg_dump yourself
>>>  - wait for 10.11 to come out (though I imagine that won't be for a 
>>> month or two)
>>>
>>>
>>> Regards
>>>
>>> Ian Barwick
>>>
>>
>> Thanks a lot, Ian!
>>
>> That saved me an upcoming headache. I searched a lot on Google but 
>> couldn't find any relevant information.
>>
>> Will installing Postgres 11 also work? (Not the Ubuntu18.04 default 
>> for Postgres, but doable).
>> Or does those pg_dump versions also expect pg_opfamily to exist?
>
>
> From the bug that introduced the issue:
>
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=07b39083c
>
> "Per bug #15934 from Tom Gottfried.  Back-patch to all supported 
> branches."
>
> So I'm guessing it is in the most recent release of all current versions.

Thank you, Adrian.

That is a bummer.
Since I have no idea how to safely install an older version of pg_dump 
alongside my current 10.10 install, I will wait for the patch.

Thank you for your responses!

Regards,
Erwin Moller