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Re: Need help with one query

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Anne Rosset <arosset(at)collab(dot)net>, Richard Huxton <dev(at)archonet(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Need help with one query
Date: 2009-03-20 19:14:53
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
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?

Alvaro Herrera                      
The PostgreSQL Company - Command Prompt, Inc.

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