Re: SUPPORT FOR DECLARATIVE TRANSITION CONSTRAINTS

From: Cimode <cimode_at_hotmail.com>
Date: Tue, 28 Sep 2010 09:34:52 -0700 (PDT)
Message-ID: <57ec1f0f-d8ec-453d-8e75-fbc55928935e_at_e14g2000yqe.googlegroups.com>


On 28 sep, 17:20, Erwin <e.sm..._at_myonline.be> wrote:
> On 28 sep, 16:05, Brian <br..._at_selzer-software.com> wrote:
>
>
>
> > No.  It isn't.  Only transition constraints can prevent a user from
> > rewriting history.  All a user needs to do to subvert any state
> > constraint that involves temporal attributes is to replace the history
> > of the object under consideration.
> > - Tekst uit oorspronkelijk bericht weergeven -
>
> All a user needs to do to subvert your stupid UPDATE transition
> constraints is not issue an UPDATE, but a DELETE+INSERT multiple
> assignment instead.

Quite frankly I am surprised that Brian is still sensitive to the amount of unnecessary complexity his insight implies. Received on Tue Sep 28 2010 - 18:34:52 CEST

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