Re: how to execute a C program via trigger ?

take a look at the contrib sections fti or fulltext index example

it takes you through it all



"S.F. Lee" wrote:
> 
> Hi,
> 
>    I am using Red Hat 6.1 + PostgreSQL 7.0.3. All of
> my
> applications are developed by C and ECPG.  I would
> like to know how to execute a C program by Trigger,for
> example:
> 
>    1. I have a program my_c_program.c shuch as:
> 
> #include <stdio.h>
> main()
> {
>    printf("Hello World !\n");
> }
> 
>    2. I create a table foo by following command
> 
> CREATE TABLE foo
>         (
>         x      int4
>         );
> 
>    3. create a trigger  foo_trig :
> 
> create trigger foo_trig after update
>     on foo for each row execute procedure sql_c();
> 
>    4. I don't know how to design sql_c(), can anyone
>       give a small plpsql program that can execute
>       my_c_program?
> 
>    regards,    S.F. Lee
> 
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