Tom Lane wrote:
> > I don't see any reason why not breaking the user visible behavior of
> > tuples CTID between any two major releases,
>
> > Am I completely wet here?
>
> Completely. This is a user-visible behavior that we have encouraged
> people to rely on, and for which there is no easy substitute.
I second that: it would hurt to lose this generic technique for
optimistic locking.
Yours,
Laurenz Albe
