От: Tom Lane
Тема: Re: plpgsql arrays
Дата: ,
Msg-id: 18511.1238780333@sss.pgh.pa.us
(см: обсуждение, исходный текст)
Ответ на: Re: plpgsql arrays  (Simon Riggs)
Ответы: Re: plpgsql arrays  (Matthew Wakeling)
Список: pgsql-performance

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plpgsql arrays  (Matthew Wakeling, )
 Re: plpgsql arrays  (Robert Haas, )
  Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (Tom Lane, )
    Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
       Re: plpgsql arrays  (Matthew Wakeling, )
       Re: plpgsql arrays  (Tom Lane, )
        Re: plpgsql arrays  (Matthew Wakeling, )
        Re: plpgsql arrays  (Nathan Boley, )
    Re: plpgsql arrays  (Simon Riggs, )
     Re: plpgsql arrays  (Alvaro Herrera, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (Matthew Wakeling, )
      Re: plpgsql arrays  (Robert Haas, )
 Re: plpgsql arrays  (Tom Lane, )
  Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (justin, )
    Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (justin, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (Merlin Moncure, )
    Re: plpgsql arrays  (Tom Lane, )
     Re: plpgsql arrays  (Matthew Wakeling, )
      Re: plpgsql arrays  (Tom Lane, )
 Re: plpgsql arrays  (Merlin Moncure, )
  Re: plpgsql arrays  (Merlin Moncure, )
   Re: plpgsql arrays  (Matthew Wakeling, )
    Re: plpgsql arrays  (Merlin Moncure, )

Simon Riggs <> writes:
> On Fri, 2009-04-03 at 10:04 -0400, Tom Lane wrote:
>> I don't actually believe that a standard merge join algorithm will work
>> with an intransitive join condition ...

> I think it's a common enough problem that having a non-standard join
> algorithm written for that case would be interesting indeed.

Sounds like a great PhD thesis topic.

            regards, tom lane


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