Re: Cool hack with recursive queries

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От David Fetter
Тема Re: Cool hack with recursive queries
Дата
Msg-id 20081121212505.GC31533@fetter.org
обсуждение исходный текст
Ответ на Re: Cool hack with recursive queries  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Cool hack with recursive queries  (Alvaro Herrera <alvherre@commandprompt.com>)
Список pgsql-hackers
On Fri, Nov 21, 2008 at 04:11:11PM -0500, Tom Lane wrote:
> David Fetter <david@fetter.org> writes:
> > On Fri, Nov 21, 2008 at 09:06:13PM +0100, Zdenek Kotala wrote:
> >> I takes 2.6 second on my laptop. I think it is not so bad.
> 
> > About 2.0 on my OS/X laptop.  Could this be a problem on whatever
> > architecture/OS/compiler combo you have?
> 
> Not everyone is using fast new laptops.

Possibly not, but this could be a way to flush out inconsistencies
among floating point units or, more importantly, implementations of
NUMERIC.

> This is a cool hack, agreed, but that doesn't make it a useful
> regression test.  Whatever value it might have isn't going to repay
> the community-wide expenditure of cycles.

What's the slowest it runs?

Cheers,
David.
-- 
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david.fetter@gmail.com

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