Re: Prepared statement performance...

From: "Shridhar Daithankar" <shridhar_daithankar(at)persistent(dot)co(dot)in>
To: pgsql-general(at)postgresql(dot)org, pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Prepared statement performance...
Date: 2002-09-25 15:33:28
Message-ID: 3D9224A0.24866.F92EFA3@localhost
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On 25 Sep 2002 at 11:14, Dmitry Tkach wrote:

> Hi, everybody.
>
> I am running into huge performance problems, due to JDBC not being able to cache query plans :-(
> My java program runs the (set of about 5) identical statements with different parameters for about 30 million times...
> What I am talking about below has to do with JDBC, but is not really specific to it - it seems to me, that the backend itself
> could be improved to better handle this kind of scenario, when the same statement is executed many times in the same session.

> - a general solution, that would involve extending postgres SQL gramma to include a 'prepare' statement

Added in upcoming 7.3.. So youmight want to test the betas or CVS..

Just wondering.. Would you see any performance difference in case you put the
statements in pl/pgsql functions?

Just a thought..

Bye
Shridhar

--
The Sixth Commandment of Frisbee: The greatest single aid to distance is for
the disc to be going in a direction you did not want. (Goes the wrong way =
Goes a long way.) -- Dan Roddick

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