experiments in query optimization

От: Faheem Mitha
Тема: experiments in query optimization
Дата: ,
Msg-id: alpine.DEB.2.00.1003251457350.13883@orwell.homelinux.org
(см: обсуждение, исходный текст)
Ответы: Re: experiments in query optimization  (Robert Haas)
Список: pgsql-performance

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experiments in query optimization  (Faheem Mitha, )
 Re: experiments in query optimization  (Robert Haas, )
  Re: experiments in query optimization  (Faheem Mitha, )
   Re: experiments in query optimization  (Robert Haas, )
    Re: experiments in query optimization  (Faheem Mitha, )
   Re: experiments in query optimization  ("Kevin Grittner", )
    Re: experiments in query optimization  (Faheem Mitha, )
     Re: experiments in query optimization  (Robert Haas, )
      Re: experiments in query optimization  (Faheem Mitha, )
       Re: experiments in query optimization  (Robert Haas, )
       Re: experiments in query optimization  (Faheem Mitha, )
        Re: experiments in query optimization  (Eliot Gable, )
         Re: experiments in query optimization  (Faheem Mitha, )
          Re: experiments in query optimization  (Robert Haas, )
           Re: experiments in query optimization  (Faheem Mitha, )
            Re: experiments in query optimization  (Eliot Gable, )
             Re: experiments in query optimization  (Faheem Mitha, )
     Re: experiments in query optimization  (Matthew Wakeling, )
      Re: experiments in query optimization  (Faheem Mitha, )
    Re: experiments in query optimization  (Faheem Mitha, )

Hi everyone,

I've been trying to reduce both memory usage and runtime for a query.
Comments/suggestions gratefully received. Details are at

http://bulldog.duhs.duke.edu/~faheem/snppy/opt.pdf

See particularly Section 1 - Background and Discussion.

If you want a text version, see

http://bulldog.duhs.duke.edu/~faheem/snppy/opt.tex

For background see

http://bulldog.duhs.duke.edu/~faheem/snppy/diag.pdf (text version
http://bulldog.duhs.duke.edu/~faheem/snppy/diag.tex) and
http://bulldog.duhs.duke.edu/~faheem/snppy/snppy.pdf

Please CC any replies to me at the above email address. Thanks.

                                                      Regards, Faheem.


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