From: | "Jaime Casanova" <jcasanov(at)systemguards(dot)com(dot)ec> |
---|---|
To: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: trigger functions broken? |
Date: | 2008-10-08 19:30:48 |
Message-ID: | 3073cc9b0810081230k36b58300scfbfe7aa64c43@mail.gmail.com |
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Lists: | pgsql-hackers |
On Wed, Oct 8, 2008 at 3:56 PM, A. Kretschmer
<andreas(dot)kretschmer(at)schollglas(dot)com> wrote:
> am Wed, dem 08.10.2008, um 14:29:23 -0400 mailte Alvaro Herrera folgendes:
>> Hi,
>>
>> Trigger functions are supposed to be able to be called only as triggers,
>> but apparently the check is not working in CVS HEAD:
>>
>> alvherre=# create or replace function foo () returns trigger as $$ begin perform 1; return new; end; $$ language plpgsql;
>> CREATE FUNCTION
>> alvherre=# select foo();
>> foo
>> -----
>>
>> (1 fila)
>
>
> And?
>
> The function returns a TRIGGER, not a value.
>
actually, that means that you can return undefined values for NEW and
OLD...and worse you can update other tables based on undefined NEW/OLD
values?
--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157
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