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To: Michael Glaesemann <grzm@seespotcode.net>
cc: pgsql-performance@postgresql.org
Subject: Re: EXPLAIN ANALYZE time calculations 
In-reply-to: <B7887A14-4EA8-4027-AAFB-FE44E35E4046@seespotcode.net> 
References: <8C0EE80A-42A3-4CC1-850B-2A6B9220B422@seespotcode.net>
	<239.1196643379@sss.pgh.pa.us>
	<B7887A14-4EA8-4027-AAFB-FE44E35E4046@seespotcode.net>
Comments: In-reply-to Michael Glaesemann <grzm@seespotcode.net>
	message dated "Sun, 02 Dec 2007 20:06:07 -0500"
Date: Sun, 02 Dec 2007 20:10:25 -0500
Message-ID: <549.1196644225@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Michael Glaesemann <grzm@seespotcode.net> writes:
> I took startup time to be the time to return the first row *of the  
> first loop*. But it's actually the average startup time to return the  
> first row *in each loop*, right?

Correct, just as the total time and tuples returned are averages over all
the loops.

			regards, tom lane