> Thomas,
>
> > The correct syntax is either
> >
> > SELECT * FROM FOO(...)
> >
> > or
> >
> > EXECUTE PROCEDURE FOO (...) RETURNING_VALUES ....
>
>
> exactly what I did.

No.

You wrote:

execute procedure from foo('a' || 'b')


whereas mine looked looked like that:

EXECUTE PROCEDURE FOO (...) RETURNING_VALUES ....


Do you see the difference?


HTH,
Thomas Steinmaurer

The IB LogManager Product Family
Logging/Auditing Suite for InterBase/Firebird
http://www.iblogmanager.com