On mån, 2009-12-28 at 11:08 -0500, Tom Lane wrote:
> Boszormenyi Zoltan <zb@cybertec.at> writes:
> > Hans-Juergen Schoenig írta:
> >> just as a background info: this will have some positive side effects
> >> on embedded C programs which should be portable.
>
> > Not just embedded C programs, every driver that's
> > based on libpq and used PQcmdTuples() will
> > automatically see the benefit.
>
> And, by the same token, the scope for possibly breaking clients is nearly
> unlimited ...
Why is that? Are there programs out there that expect PQcmdTuples() to
return something that is *not* the tuple count for these commands and
will violently misbehave otherwise?