Re: operator exclusion constraints [was: generalized index constraints]

David Fetter <david@fetter.org>

From: David Fetter <david@fetter.org>
To: Jeff Davis <pgsql@j-davis.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgresql.org
Date: 2009-09-20T02:23:13Z
Lists: pgsql-hackers
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.
-- 
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
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