On Thu, Apr 13, 2006 at 09:00:10PM -0400, Tom Lane wrote:
> Probably there would need to be at least three callbacks involved:
> one for setup, called just after the tuple descriptor info has been
> received; one for per-field data receipt, and one for per-tuple
> operations (called after all the fields of the current tuple have
> been passed to the per-field callback). Maybe you'd want a shutdown
> callback too, although that's probably not strictly necessary since
> whatever you might need it to do could be done equally well in the
> app after PQgetResult returns. (You still want to return a PGresult
> to carry command success/failure info, and probably the tuple descriptor
> info, even though use of the callbacks would leave it containing none of
> the data.)
Sounds really good. The only thing now is that the main author of the
wire-protocol code in psqlODBC has not yet made any comment on any of
this. So we dont want to set anything in stone until we know it would
solve their problem...
Have a nice day,
--
Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.