Re: INS/UPD/DEL RETURNING for 8.2

Jonah, where are we on this patch?  Do you have a version ready for
review?


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Jonah H. Harris wrote:
> On 3/2/06, Jonah H. Harris <jonah.harris@gmail.com> wrote:
> >
> > On 3/2/06, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> >
> > > "Jonah H. Harris" <jonah.harris@gmail.com> writes:
> > > > INSERT/UPDATE/DELETE seem to work fine in normal operation but there
> > > is an
> > > > error with DELETE RETURNING when used through PL/pgSQL.
> > >
> > > Probably other places too.  I don't see any provision here for ensuring
> > > that the variables used in the RETURNING list are actually computed by
> > > the plan.  This would be masked in the INSERT and non-join UPDATE cases
> > > by the fact that the plan has to compute all columns of the target table
> > > anyway ... but in a DELETE it'd be an issue.
> > >
> > > I think set-returning functions in the RETURNING list might give you
> > > some fits too ...
> >
> >
> > Yeah, I got to looking into the special tuple handling code in execUtils
> > for retrieving the old (deleted) tuple and there's something definitely
> > getting lost along the way in some cases.
> >
>
> I've been stewing on this and haven't yet come up with anything.  Have you
> any thoughts on how we can accomplish this better?
>
>
> --
> Jonah H. Harris, Database Internals Architect
> EnterpriseDB Corporation
> 732.331.1324

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