Re: Prepared statement performance...
Shridhar Daithankar <shridhar_daithankar@persistent.co.in>
From: "Shridhar Daithankar" <shridhar_daithankar@persistent.co.in>
To: pgsql-general@postgresql.org, pgsql-jdbc@postgresql.org
Date: 2002-09-25T15:33:28Z
Lists: pgsql-general
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