Re: storED procedures
От | Nelio Alves Pereira Filho |
---|---|
Тема | Re: storED procedures |
Дата | |
Msg-id | 3A0B05C1.E3122E49@ifx.com.br обсуждение исходный текст |
Ответ на | RE: storage procedures (Roger Wernersson <roger.wernersson@mindark.com>) |
Ответы |
Re: storED procedures
|
Список | pgsql-general |
The only thing is that view don't implement views don't implement unions, but I can do union of views instead.
Thanks again!!
Roger Wernersson wrote:
But views do take "parameters".CREATE VIEW a_view ASSELECT a, MAX(*) AS b_maxFROM a_tableGROUP BY b;SELECT b_maxFROM a_viewWHERE 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 proceduresI 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
-- Nelio Alves Pereira Filho IFX Networks Sao Paulo / Brazil
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