From: Jim C. Nasby <jim@nasby.net>
To: jungmin shin <jungmin.shin@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: UDF and cache
Date: Wed, 18 Oct 2006 16:19:29 -0500
Message-ID: <20061018211928.GE85041@nasby.net> (raw)
In-Reply-To: <cd77360b0610181415j2600c09fv973107396491ca7f@mail.gmail.com>
References: <cd77360b0610181415j2600c09fv973107396491ca7f@mail.gmail.com>
And PLEASE do not post something to 3 lists; it's a lot of extra traffic
for no reason.
Moving to -hackers.
On Wed, Oct 18, 2006 at 05:15:13PM -0400, jungmin shin wrote:
> Hello all,
>
> I read a paper, which is Query optimization in the presence of Foreign
> Functions.
> And the paper , there is a paragraph like below.
>
> In order to reduce the number of invocations, caching the results of
> invocation was suggested in Postgres.
>
> I'd like to know in detail about how postgres is maintaing the cache of
> UDFs.
>
> Thanks,
> Jungmin
>
>
> --
> Jungmin Shin
--
Jim Nasby jim@nasby.net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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To: pgsql-performance@postgresql.org
Cc: jim@nasby.net, jungmin.shin@gmail.com, pgsql-hackers@postgresql.org
Subject: Re: UDF and cache
In-Reply-To: <20061018211928.GE85041@nasby.net>
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