Re: Need help with one query

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От Anne Rosset
Тема Re: Need help with one query
Дата
Msg-id 49C3FC8E.9070004@collab.net
обсуждение исходный текст
Ответ на Re: Need help with one query  (Alvaro Herrera)
Ответы Re: Need help with one query  (Robert Haas)
Список pgsql-performance
Дерево обсуждения
Need help with one query  (Anne Rosset, )
 Re: Need help with one query  (Richard Huxton, )
  Re: Need help with one query  (Tom Lane, )
  Re: Need help with one query  (Anne Rosset, )
   Re: Need help with one query  (Robert Haas, )
    Re: Need help with one query  (Alvaro Herrera, )
     Re: Need help with one query  (Anne Rosset, )
      Re: Need help with one query  (Robert Haas, )
    Re: Need help with one query  (Tom Lane, )
     Re: Need help with one query  (Anne Rosset, )
      Re: Need help with one query  (Robert Haas, )
       Re: Need help with one query  (Anne Rosset, )
Alvaro Herrera wrote:

>Robert Haas escribió:
>
>
>
>>Something is wrong here.  How can setting enable_seqscan to off result
>>in a plan with a far lower estimated cost than the original plan?  If
>>the planner thought the non-seq-scan plan is cheaper, it would have
>>picked that one to begin with.
>>
>>
>
>GEQO?  Anne, what's geqo_threshold set to?
>
>
>
Hi Alvaro:
It is turned off
geqo | off | Enables genetic query optimization.
Thanks,
Anne

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