| From: | Michael Fuhr <mike(at)fuhr(dot)org> |
|---|---|
| To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
| Cc: | Neil Conway <neilc(at)samurai(dot)com>, Bojidar Mihajlov <bmihajlov(at)yahoo(dot)com>, pgsql-hackers(at)postgresql(dot)org, pgsql-odbc(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] RQ: Prepared statements used by multiple connections |
| Date: | 2005-01-25 21:46:48 |
| Message-ID: | 20050125214648.GB95908@winnie.fuhr.org |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-odbc |
On Tue, Jan 25, 2005 at 10:36:34AM +0000, Christopher Kings-Lynne wrote:
> >
> >... a prepared version that is local to the backend that invokes the
> >function, yes (i.e. it will be planned once per backend). So ISTM this
> >is equivalent functionality to what you can get using PREPARE or the
> >extended query protocol.
>
> Are you sure it's only per-backend? I thought I tested it and it seemed
> to prepare it everywhere... oh well.
How did you test it? You can use settings like debug_print_plan
and client_min_messages to see what's happening in each backend.
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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