From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Selena Deckelmann <selena(at)endpoint(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: from_collapse_limit vs. geqo_threshold |
Date: | 2009-06-02 03:46:39 |
Message-ID: | 603c8f070906012046t5d741cflceda8b513f4a5d67@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, Jun 1, 2009 at 3:34 PM, Selena Deckelmann <selena(at)endpoint(dot)com> wrote:
> In the spirit of helping wrap-up 8.4 todo items...
> Robert Haas wrote:
>> For 8.4, I'd be happy to just improve the documentation. I think this
>> sentence could just be deleted from the section on
>> from_collapse_limit:
> My vote would be to provide some information.
>
> Suggested revision of Robert's prose:
>
> Because genetic query optimization may be triggered, increasing
> from_collapse_limit should be considered relative to <xref
> linkend="guc-geqo-threshold">.
Here's my attempt.
...Robert
Attachment | Content-Type | Size |
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from-collapse-limit-doc.patch | text/x-patch | 1.2 KB |
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