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Re: GIN improvements

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: GIN improvements
Date: 2008-06-10 11:38:21
Message-ID: 484E67AD.7020500@sigaev.ru (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
> Right now this is not a problem because there is no insert_cleanup
> function for btree, but I wonder if we should clean it up.
Look at gistbulkdelete and gistvacuumcleanup, first function wants to send a 
bool flag to second one and they use GiSTBulkDelete structure instead of usual 
IndexBulkDeleteResult. When it will be needed btree may use the same method.

> 
> FWIW there's a typo in catalogs.sgml (finction -> function)
Thank you, will fix.

> What's the use of the FASTUPDATE parameter?  Is there a case when a user
> is interested in turning it off?

Yeah - when time of search is much-much more important (or crucial)  than 
insertion time. Or table stores read-only values.

-- 
Teodor Sigaev                                   E-mail: teodor(at)sigaev(dot)ru
                                                    WWW: http://www.sigaev.ru/

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