Re: how to get trigger start function not procedure
| От | chris Günther |
|---|---|
| Тема | Re: how to get trigger start function not procedure |
| Дата | |
| Msg-id | 20001230145405.0d5d082d.guenther@uscreen.de обсуждение исходный текст |
| Ответ на | Re: how to get trigger start function not procedure ("rob" <rob@cabrion.com>) |
| Ответы |
Re: Re: how to get trigger start function not procedure
Re: Re: how to get trigger start function not procedure |
| Список | pgsql-novice |
On Sat, 30 Dec 2000 08:28:52 -0500
"rob" <rob@cabrion.com> wrote:
> create function set_timestamp() returns opaque as
> 'begin
> new.timestamp := now();
> new.user := getpgusername()
> end if;
> return new;
> end;' language 'plpgsql';
>
> create trigger MyUpdateTrigger before insert or update on YourTable for each
> row execute procedure set_timestamp;
>
>
Hi and thanks a lot for your answer. Now it seems I have another problem:
When I try to follow your example - slightly changed to fit my needs -
I get the message:
ERROR: Unrecognized language specified in a
CREATE FUNCTION: 'plpgsql'.
Recognized languages are sql, C, internal and
the created procedural languages.
Does this meen my installation doen't support plpgsql? I have installed
pSQL on a RedHat 6.2 System and used moreless the defaults when compiling
it.
How can I find out what languages are available for my installation and
should plpgsql not be part of every installation
chris
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