> 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.

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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• Re: heap_create with OID? at 2000-07-04 16:48:22 from Tom Lane

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