> Why you should write a function first and then the trigger, which must
> call that function?
>
> What are the advantages/disadvantages of that? Where can I find more
> information?
The PG way seems very natural to me:
you can write functions that do something and then have many triggers
call that same function.
Also there's not just PL/PGSQL: you might want
to define a function in C or Perl and then have a trigger call it.
Bye, Chris.
--
Chris Mair
http://www.1006.org