Re: heap_create with OID?

> Philip Warner <pjw(at)rhyme(dot)com(dot)au> writes:
> > The way pg_dump sets the max oid is:
>
> > CREATE TABLE pgdump_oid (dummy int4);
> > COPY pgdump_oid WITH OIDS FROM stdin;
> > 1282249 0
> > \.
>
> > where 1282249 is the max oid you want to set.
>
> > It's pretty crude, but I assume effective.
>
> Ah, right. IIRC there is a check in COPY to set the OID counter to
> max(current OID counter, user-supplied OID). So you could use this
> technique to install all the BLOBs with the right OIDs, as long as
> you were careful to load them in OID order: just load another row
> into the temp table each time you need to advance the OID counter.
> Kinda klugy, but no backend changes needed.
>
> BTW I'd recommend making pgdump_oid a TEMP table, so that it'll go away
> by itself.

Done. Renamed pgdump_oid to pg_dump_oid too. We didn't have TEMPORARY
tables at the time I did this. The temporary allows multiple concurrent
loads because there is no table name conflict.

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