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Re: gprof SELECT COUNT(*) results
- From: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
- To: pgsql-hackers(at)postgresql(dot)org
- Subject: Re: gprof SELECT COUNT(*) results
- Date: Sat, 26 Nov 2005 03:13:33 -0500
- Message-id: <dm95dp$2d4k$1(at)news(dot)hub(dot)org>
"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote > > I plan to take a look at it soon. > "Stand corrected"[Merlin]! In-memory "SELECT COUNT(*)" doubles the performance due to my test. - before - 1.56 s - now - 0.72 s Regards, Qingqing
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