On Tue, 21 Jun 2005, Tom Lane wrote:
> Pavel Stehule <stehule@kix.fsv.cvut.cz> writes:
> > I wont to prohibit synonyms in exception (every exception has unique
> > sqlstate).
>
> I don't think that's a particularly good idea --- maybe if SQL had been
> designed according to your worldview, it'd be like that, but it isn't
> and you can't retroactively force it to be. The SQLSTATEs are
> deliberately designed to be fairly coarse, not unique. I believe the
> design intention is to distinguish between two cases when it's likely
> that client application code would do something different in the two
> cases. Not to be "unique for uniqueness' sake".
>
it's can be source of bugs. For me, uniqueness sqlstates is 20 lines more.
Ok. I will send patch without unique states.
Pavel
