On Sat, Sep 19, 2009 at 04:40:19PM -0700, Jeff Davis wrote:
> On Sat, 2009-09-19 at 18:35 -0400, Tom Lane wrote:
> > I'm still acutely uncomfortable with using CONSTRAINT syntax for this.
> > It is not a constraint per standard, because it's not going to be
> > displayable in information_schema. Furthermore, by extending
> > standardized syntax you run the risk of being blindsided by future
> > additions to the standard.
>
> Ok.
It just occurred to me that SQL:2008 ASSERTION might already fit this
feature. :)
Cheers,
David.
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