Re: PostgreSQL, Triggers

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Thank you Martin!!!
you've just saved my life!

; )

Regards
    Ling.

"Martin Marques" <martin@bugs.unl.edu.ar> wrote in message
200310192000.56808.martin@bugs.unl.edu.ar">news:200310192000.56808.martin@bugs.unl.edu.ar...
El Dom 19 Oct 2003 13:54, Ling escribió:
> Hello there.
> Can anybody help me with Postgresql triggers?
> what I need is a trigger which inrements value in field "total_rows.rows"
> if I insert new row in table "zzz"...
>
> CAREATE TABLE zzz (
>     ...
>     ...
> );
> CREATE TABLE total_rows (
>     table_name VARCHAR(32),
>     total_rows BIGINT,
>     CONSTRAINT pk_total_rows PRIMARY KEY(table_name, total_rows)
> );

A rule would be much easier:

CREATE RULE rule_name AS ON INSERT TO zzz DO
<Write an update of total_rows query here>;


--
select 'mmarques' || '@' || 'unl.edu.ar' AS email;
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Martín Marqués                  |        mmarques@unl.edu.ar
Programador, Administrador, DBA |       Centro de Telemática
                       Universidad Nacional
                            del Litoral
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