> > CREATE RULE PasTouche AS ON UPDATE TO foo
> > WHERE old.locked=TRUE
> > DO INSTEAD ERROR;
>
> This would be sensible if rules were actually reasonable substitutes for
> triggers, but they are not.
>
> If you check the archives you will find many many cases where people
> tried to do this sort of thing, and got burned by the fundamental
> semantic differences ...
Ok, I'll look into that. Thanks for the pointer.
--
Fabien Coelho - coelho(at)cri(dot)ensmp(dot)fr