But views do take "parameters".
CREATE VIEW a_view AS
SELECT a, MAX(*) AS b_max
FROM a_table
GROUP BY b;
SELECT b_max
FROM a_view
WHERE a = 'hello'; /* parameter */
I don't know what problem you want to solve but if you give me an example I will try to show you what I mean.
/Roger
-----Original Message-----
From: Nelio Alves Pereira Filho [mailto:nelio@ifx.com.br]
Sent: Thursday, November 09, 2000 8:53 PM
To: Roger Wernersson
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] storage procedures
But 'views' don't receive parameters, they're just 'static' queries. I'd like to pass some parameters and then receive the result table. I'm developping a web base application, and if stored procedures increase performance, I 'd like to use them to retrieve some data.
Nelio
Roger Wernersson wrote:
"2" would be a view. A view can calculate almost any value for any column for any number of rows.
IMHO
/Roger
-----Original Message-----
From: Nelio Alves Pereira Filho [mailto:nelio@ifx.com.br]
Sent: Thursday, November 09, 2000 6:53 PM
To: pgsql-general@postgresql.org
Subject: [GENERAL] storage procedures
I have two questions:
1) How faster are storage procedures from normal queries?
2) Can I define a storage procedure that returns a table? Like,
"SELECT * FROM table"
Thanks
Nelio Pereira
IFX Networks
Brazil
--
Nelio Alves Pereira Filho
IFX Networks
Sao Paulo / Brazil
