Re: Any reason why the default_with_oids GUC is still there?

Peter Eisentraut wrote:
> On tis, 2010-09-21 at 18:31 -0400, Bruce Momjian wrote:
> > Also, doesn't some SQL standard require oids, so we should have a way
> > to enable them by default for all tables?
> 
> >From some DB2 example:
> 
> CREATE TYPE BusinessUnit_t AS
>     (Name VARCHAR(20),
>      Headcount INT);
> 
> CREATE TABLE BusinessUnit OF BusinessUnit_t
>     (REF IS oid USER GENERATED);
> 
> The DB2 documentation consistently refers to this column as "oid", but
> there is no requirement to name it that way.
> 
> The SQL standard also contains this sentence:
> 
>     Let OID be the name of the self-referencing column of S.
> 
> which refers to the thing defined in the example above, but "OID" is
> just a placeholder here.
> 
> I think there was a mention of OIDs in the "SQL3" draft that eventually
> became SQL99, but that's long past now.  Current standards don't have
> it, except in the, perhaps more generalized, form above.

Thanks for those details.  I did remember it appearing at one point,
which I guess was SQL3.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
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