From: | Rod Taylor <pg(at)rbt(dot)ca> |
---|---|
To: | John DeSoi <desoi(at)pgedit(dot)com> |
Cc: | chester c young <chestercyoung(at)yahoo(dot)com>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: sessions and prepared statements |
Date: | 2006-06-16 12:55:16 |
Message-ID: | 1150462516.777.550.camel@home |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
On Fri, 2006-06-16 at 08:27 -0400, John DeSoi wrote:
> On Jun 15, 2006, at 11:49 AM, chester c young wrote:
>
> > in PHP for example, where there are multiple sessions and which you
> > get is random:
> >
> > how do you know if the session you're in has prepared a particular
> > statement?
> >
> > and/or how do you get a list of prepared statements?
> >
> > last, is there any after login trigger that one could use to
> > prepare statements the session would need? or is this a dumb idea?
>
> If you are using pooled connections, I don't think there is a
> reasonable way you could managed prepared statements across requests.
> You'll probably want to just prepare the ones you need for the
> current request and discard them when the request ends.
Temporary tables.
BEGIN;
SAVEPOINT;
SELECT * FROM temporary_prepared_statement;
ROLLBACK TO SAVEPOINT < on failure>;
CREATE TEMPORARY TABLE temporary_prepared_statement ...;
COMMIT;
Now you have a place to store and retrieve prepared connection state for
the lifetime of the database backend provided PHP doesn't remove
temporary tables on the connection.
> I have a short article where you might find some useful information
> for managing prepared statements:
>
> http://pgedit.com/resource/php/pgfuncall
>
> You might also post your question to PostgreSQL PHP list -- probably
> more PHP expertise there.
>
> Best,
>
> John
>
>
>
>
> John DeSoi, Ph.D.
> http://pgedit.com/
> Power Tools for PostgreSQL
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
>
--
From | Date | Subject | |
---|---|---|---|
Next Message | Michael Fuhr | 2006-06-16 13:09:21 | Re: sessions and prepared statements |
Previous Message | John DeSoi | 2006-06-16 12:27:37 | Re: sessions and prepared statements |