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From: Tom Lane <tgl@sss.pgh.pa.us>
To: rakesh kumar <trakeshkumar@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: start up cost estimate
Date: Sat, 18 Nov 2006 13:11:08 -0500
Message-ID: <197.1163873468@sss.pgh.pa.us> (raw)
In-Reply-To: <9851130611180133y3ca36219td95b555ac8f2ee71@mail.gmail.com>
References: <9851130611180133y3ca36219td95b555ac8f2ee71@mail.gmail.com>

"rakesh kumar" <trakeshkumar@gmail.com> writes:
>          I wanted to know , how the start up cost is computed in postgresql

Look into
http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/costsize.c

			regards, tom lane

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