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Re: Need help with one query

From: Anne Rosset <arosset(at)collab(dot)net>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Richard Huxton <dev(at)archonet(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Need help with one query
Date: 2009-03-20 20:29:02
Message-ID: (view raw or whole thread)
Lists: pgsql-performance
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.

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