| From: | "jungmin shin" <jungmin(dot)shin(at)gmail(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org, pgsql-performance(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org |
| Subject: | UDF and cache |
| Date: | 2006-10-18 21:15:13 |
| Message-ID: | cd77360b0610181415j2600c09fv973107396491ca7f@mail.gmail.com |
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| Lists: | pgsql-general pgsql-hackers pgsql-performance |
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
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