Re: how to execute a C program via trigger ?

From: Clayton Cottingham <clayton(at)marketingchallenge(dot)com>
To: "S(dot)F(dot) Lee" <sflee_tw(at)yahoo(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: how to execute a C program via trigger ?
Date: 2000-12-05 09:58:41
Message-ID: 200012051757.eB5HvsU81547@mail.postgresql.org
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On Mon, 4 Dec 2000 18:20:29 -0800 (PST), S.F. Lee said:

> Thank for your hint, but I have some questions :
>
> 1. Do I have to compile the C program into a shared
> object (*.so)?

yes

> 2. Do I have to use SPI (SPI is too complicate to
> me)?
>
> My request is very simple. I have a program
> (my_c_program)
> that I can execute it under shell by typing
> (my_c_program).
> Basically my_c_program is not a function.
>

im not sure anyone?

> I want to fire a trigger after I update the field
> (x) in table foo, and the trigger can run the
> my_c_program. Is there an easy way to execute a
> PROCESS
> via trigger?
>
> regards, S.F. Lee
>

id say dont use C!! use pl/sql

but if your trying to learn the prog of c functions
youll have to get help elsewhere unfortunatley

im not even newbie status on c!

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