> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > We have to get some oid filename mapping into pg_upgrade too for it to
> > work.
> Good point. In theory you could hack the pg_class.relfilenode column
> to match the older database, but we have no code to do it.
> BTW, I'm also suspicious about whether pg_class.oid !=
> pg_class.relfilenode actually works. I think there may be some places
> where we are using one but should be using the other. I have a TODO
> item to grovel through the code and make sure this is all okay, but it's
> not going to get to the top of the queue until there's a pressing reason
> to do it.
> Oh well, another cycle with no pg_upgrade :-(
I tried to talk a company that is new to PostgreSQL support into doing
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