From: | "Jim C(dot) Nasby" <jim(at)nasby(dot)net> |
---|---|
To: | jungmin shin <jungmin(dot)shin(at)gmail(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: UDF and cache |
Date: | 2006-10-18 21:19:29 |
Message-ID: | 20061018211928.GE85041@nasby.net |
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Thread: | |
Lists: | pgsql-general pgsql-hackers pgsql-performance |
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(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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