Re: from_collapse_limit vs. geqo_threshold

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От Josh Berkus
Тема Re: from_collapse_limit vs. geqo_threshold
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Msg-id 4A14D6D4.4090205@agliodbs.com
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Ответ на from_collapse_limit vs. geqo_threshold  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: from_collapse_limit vs. geqo_threshold  (Robert Haas <robertmhaas@gmail.com>)
Re: from_collapse_limit vs. geqo_threshold  (Tom Lane <tgl@sss.pgh.pa.us>)
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Robert,

> It appears that this statement has been in our documentation since Tom
> Lane added FROM_COLLAPSE_LIMIT (back then, it was capitalized) on
> January 25, 2003 (9bf97ff426de9), but I can't find any justification
> for it anywhere.  I think we either need to justify this advice, or
> remove it.

... trying to remember why I wrote that ... what would happen if 
FROM_COLLAPSE_LIMIT was *more* than GEQO_THRESHOLD?


-- 
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com


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