Tom Lane wrote:
> Jan Wieck <JanWieck@Yahoo.com> writes:
> > The detail I'm wondering about most is how you'd know in an
> > UPDATE case which two tuples (one deleted during this XACT
> > and one inserted) are the two for OLD and NEW in the call to
> > the trigger.
>
> Ugh ... good point. There's no back-link from the updated tuple to
> its original on disk, is there?
AFAIK nothing other than the Oid. And that's IMHO a weak one.
Jan
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