Re: AW: pg_dump / pg_restore version confusion

On 7/29/20 6:38 AM, Zwettler Markus (OIZ) wrote:
> I cannot use pg_restore v9.6 on a pg_dump v12 because otherwise: pg_restore: [archiver] unsupported version (1.14) in
fileheader
 
> 
> The external supplier did PG v9.5 database + pg_dump v12.
> I would have to do pg_restore v12 (as of pg_dump v12) into my PG v9.6.
> The version chain would be PG v9.5 => pg_dump v12 => pg_restore v12 => PG v9.6.
> 
> That's why my question has been: would the whole chain work and is it supported?

That is one way of attempting it, though it is not supported. You could 
also try pg_restore v12 on pg_dump file v9.6 to Postgres v9.6 database 
as well. With the caveats that I quoted in my previous post. Ideally you 
would have the supplier redo the dump of the database with a 9.6 version 
of pg_dump.

> 
> 
> 
>> -----Ursprüngliche Nachricht-----
>> Von: Bruce Momjian <bruce@momjian.us>
>> Gesendet: Mittwoch, 29. Juli 2020 14:55
>> An: Zwettler Markus (OIZ) <Markus.Zwettler@zuerich.ch>
>> Cc: pgsql-general <pgsql-general@lists.postgresql.org>
>> Betreff: Re: pg_dump / pg_restore version confusion
>>
>> On Wed, Jul 29, 2020 at 12:33:56PM +0000, Zwettler Markus (OIZ) wrote:
>>> And I can also do this restore:
>>>
>>> <quote>
>>> Would a pg_restore with a v12 client into a postgres v9.6 database work and be
>> officially supported?
>>> </quote>
>>
>> Uh, good question.  You should still use the version of pg_restore that you are
>> loading _into_, not what you dumped from.
>>
>> --
>>    Bruce Momjian  <bruce@momjian.us>        https://momjian.us
>>    EnterpriseDB                             https://enterprisedb.com
>>
>>    The usefulness of a cup is in its emptiness, Bruce Lee
> 
> 
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com