It's worth reading up on, if you care. The move to the new client/server 
protocol did add support for a number of things which were emulated in 
the past, like prepared statements. Not sure how much of this is 
reflected in JDBC code, but hopefully a good deal.

P

Andrea Aime wrote:
> Justin Deoliveira ha scritto:
>> Andrea Aime wrote:
>>> Justin Deoliveira ha scritto:
>>>> Hi Andrea,
>>> It really depends on the dbms. With Oracle the situation is as I
>>> explained, with old Postgres jdbc driver prepared statements were fake,
>>> in that the driver really built a full sql query and then sent it
>>> to the server, with no preparation at all (it was just a way to support
>>> ps API wise, while not really doing it on a practical level).
>> So does this mean that in postgres we are paying the same price with
>> prepared statements vs non-prepared statements?
> 
> It may be, it may be not. I don't really know how things have evolved
> since last time I did look into the postgres jdbc driver code, and that
> happened some 2-3 years ago.



-- 

   Paul Ramsey
   Refractions Research
   http://www.refractions.net
   [EMAIL PROTECTED]
   Phone: 250-383-3022
   Cell: 250-885-0632

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