Re: [RFC] Removing "magic" oids

Hi,

On 2018-11-21 23:32:07 -0500, Andrew Dunstan wrote:
> On 11/21/18 7:14 PM, Andres Freund wrote:
> >   Could you check whether you
> > still encounter the issue after applying the attached fix?
> > 
> 
> 
> This has largely fixed the problem, so I think this should be applied.

Cool, will do so tomorrow or such. Thanks for testing.


> With some adjustments to the tests to remove problematic cases (e.g.
> postgres_fdw's ft_pg_type) the tests pass. The exception is
> HEAD->HEAD. The change is that the LOs are not dumped in the same
> order pre and post upgrade. I can change the tests to allow for a
> greater fuzz factor - generally when the source and target are the
> same we don't allow any fuzz.  Or if we care we could do a better job
> of dumping LOs in a consistent order.

So you'd want to dump large objects in oid order or such? Probably
comparatively not a huge overhead, but also not nothing? We don't really
force ordering in other places in pg_dump afaik.

Greetings,

Andres Freund