Re: ALTER TABLE .. < ADD | DROP > OIDS

Bruce Momjian wrote:
>
> OK, patch applied and tested.

Sorry, wrong email.  I meant to say that his previous ALTER DOMAIN patch
had been applied with the new file now supplied.


>
> ---------------------------------------------------------------------------
>
> Rod Taylor wrote:
> -- Start of PGP signed section.
> > I wish to create an alter command which will allow a table to have OIDs
> > added or removed.
> >
> >
> > The tricky part appears to be changing the tuples themselves.  I believe
> > if I pull the same trick that cluster does (create new file, copy
> > tuples, etc) it can be done fairly easily.
> >
> > First, set up pg_class appropriately (oid flag).
> >
> > Second, copy out tuples from oldfile to newfile, running a
> > heap_deformtuple() -> heap_formtuple() process on each.  Since
> > heap_deformtuple only deals with positive numbered attributes
> > (non-system attributes) this should be safe to do on a mis-configured
> > relation.  heap_formtuple completes the dirty work of setting up the OID
> > column appropriately.
> >
> > --
> > Rod Taylor <rbt@rbt.ca>
> >
> > PGP Key: http://www.rbt.ca/rbtpub.asc
> -- End of PGP section, PGP failed!
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman@candle.pha.pa.us               |  (610) 359-1001
>   +  If your life is a hard drive,     |  13 Roberts Road
>   +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073