Re: about explain analyze

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Teodor Sigaev <teodor(at)sigaev(dot)ru>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: about explain analyze
Date: 2003-11-28 18:29:38
Message-ID: 29304.1070044178@sss.pgh.pa.us
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Teodor Sigaev <teodor(at)sigaev(dot)ru> writes:
> How many times is gettimeofday called?

Twice per plan node visit, if you are doing EXPLAIN ANALYZE. (The
number of "visits" is one more than the number of rows returned.)

regards, tom lane

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