Hannu Krosing wrote:
>
> And another thing:
>
> Does'nt the Oracle PL/SQL have both input and input/output parameters ?
>
> It's more than a year since i last used it but I think that this is the case.
Right, they have. But PostgreSQL doesn't and so PL/pgSQL
can't. PL/pgSQL cannot do any thing that a C function in
PostgreSQL cannot do. The PL handler is written in C and that
is what the executor calls instead of the compiled function.
From the backends point of view, a PL handler is just one C
function with a bunch of personalities.
Jan
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