Re: Limit + group + join

От: Tom Lane
Тема: Re: Limit + group + join
Дата: ,
Msg-id: 26874.1125100085@sss.pgh.pa.us
(см: обсуждение, исходный текст)
Ответ на: Re: Limit + group + join  (Mark Kirkwood)
Список: pgsql-performance

Скрыть дерево обсуждения

Limit + group + join  (Tobias Brox, )
 Re: Limit + group + join  ("Jeffrey W. Baker", )
  Re: Limit + group + join  (Tobias Brox, )
  Re: Limit + group + join  ("Jeffrey W. Baker", )
 Re: Limit + group + join  (Mark Kirkwood, )
  Re: Limit + group + join  (Tobias Brox, )
  Re: Limit + group + join  (Stephan Szabo, )
  Re: Limit + group + join  (Tom Lane, )
   Re: Limit + group + join  (Mark Kirkwood, )
    Re: Limit + group + join  (Tom Lane, )
   Re: Limit + group + join  (Mark Kirkwood, )
    Re: Limit + group + join  (Tom Lane, )
     Re: Limit + group + join  (Mark Kirkwood, )
      Re: Limit + group + join  (Tobias Brox, )
   Re: Limit + group + join  (Greg Stark, )
 Re: Limit + group + join  ("Merlin Moncure", )
 Re: Limit + group + join  ("Merlin Moncure", )

Mark Kirkwood <> writes:
> That doesn't explain why the nested loop is being kicked tho',

No, but I think the fuzzy-cost bug does.  There are two different issues
here.

            regards, tom lane


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