Re: [HACKERS] UDF and cache

2006-10-18 Thread Jim C. Nasby
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 > invoca

[HACKERS] UDF and cache

2006-10-18 Thread jungmin shin
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 postg