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 Skype: davidfetter XMPP: david.fetter@gmail.com Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate