Re: Performance of Parser?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jignesh Shah <J(dot)K(dot)Shah(at)Sun(dot)COM>
Cc: pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Performance of Parser?
Date: 2007-01-14 00:24:28
Message-ID: 28391.1168734268@sss.pgh.pa.us
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Jignesh Shah <J(dot)K(dot)Shah(at)Sun(dot)COM> writes:
> The appserver is basically using bunch of prepared statements that the
> server should be executing directly without doing the parsing again.

Better have another look at that theory, because you're clearly spending
a lot of time in parsing (operator resolution to be specific). I think
your client code is failing to re-use prepared statements the way you
think it is.

regards, tom lane

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