Re: Altering existing table to be WITHOUT OIDs - Mailing list pgsql-general

From Larry Rosenman
Subject Re: Altering existing table to be WITHOUT OIDs
Date
Msg-id 1022537728.1578.11.camel@lerlaptop
Whole thread Raw
In response to Re: Altering existing table to be WITHOUT OIDs  (Doug Fields <dfields@pexicom.com>)
List pgsql-general
On Sat, 2002-05-25 at 15:17, Doug Fields wrote:
> For the benefit for anyone who may search this list in the future for this
> information, I used the following queries to implement Tom's suggestion on
> the table "list_entries" in this example:
>
> UPDATE pg_class SET relhasoids=false WHERE relname='list_entries';
> DELETE FROM pg_attribute
>      WHERE attrelid = (SELECT oid FROM pg_class WHERE relname =
> 'list_entries')
>          AND attname='oid';
>
> You might want to also include the reltype in the sub-SELECT if you re-use
> names willy-nilly.
Thanks Doug.  Worked great for a table I forgot to include the WITHOUT
OIDS option on.  (gets 4-5000 rows every 5 minutes :-) ).


>
> Cheers,
>
> Doug
>
>
> At 04:06 PM 5/24/2002, Tom Lane wrote:
> >Doug Fields <dfields-pg-general@pexicom.com> writes:
> > > The documentation does not give any information about how I might do this
> > > in the ALTER TABLE, so it may not be possible, at least, not that way.
> >
> >ALTER TABLE doesn't support it, but you could reach in and tweak
> >pg_class.relhasoids for your tables.  I think you would also need to
> >delete the pg_attribute row for oid for each such table if you wanted
> >to have a perfectly clean result.
> >
> >                         regards, tom lane
>
>
>
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--
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
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