| From: | "Gurjeet Singh" <singh(dot)gurjeet(at)gmail(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Joseph S" <jks(at)selectacast(dot)net>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Static functions |
| Date: | 2008-10-04 00:51:39 |
| Message-ID: | 65937bea0810031751o66704a35p5444e0322084539c@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-general |
On Sat, Oct 4, 2008 at 1:36 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Joseph S <jks(at)selectacast(dot)net> writes:
> > Aren't static functions supposed to executed only once per transaction?
>
> There's no promise of that.
>
Can this be changed? Or does it work only in simpler queries, based on some
result-caching criteria?
Shouldn't PG make all efforts to not execute something when the result is
already known?
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