Re: pg_dump/restore problem

Jim C. Nasby wrote:
> On Mon, Jun 12, 2006 at 04:51:18PM -0400, renneyt(at)yahoo(dot)com wrote:
>
>> I am trying to move some data from an 8.0.7 instance to a 7.4.8
>> instance. I did a pg_dump and then did a pg_restore.
>> For the most part the data transferred through to the older instance but
>> I had problems with the sequence updates.
>>
>> SELECT pg_catalog.setval(pg_catalog.pg_get_serial_sequence('nw_foo',
>> 'foo_id'), 678, true);
>> ERROR: function pg_catalog.pg_get_serial_sequence("unknown", "unknown")
>> does not exist
>> HINT: No function matches the given name and argument types. You may
>> need to add explicit type casts.
>>
>> I am looking for a an alternative to manually issuing alter sequence
>> commands.
>>
>
> >From http://www.postgresql.org/docs/8.1/interactive/release-8-0.html:
>
> # Add pg_get_serial_sequence() to return a SERIAL column's sequence name
> (Christopher)
>
>

Does pg_get_serial_sequence() exist as plpgsql code? Where may I find
it? I would like to retrofit it into a 7.4.8 PG database.

Thanks

> This allows automated scripts to reliably find the SERIAL sequence name.
>
> If you use a 7.x copy of pg_dump it might work, though there could be
> catalog changes that make that a problem.
>