Re: operator exclusion constraints [was: generalized index constraints]
| От | David Fetter |
|---|---|
| Тема | Re: operator exclusion constraints [was: generalized index constraints] |
| Дата | |
| Msg-id | 20090920022313.GF31599@fetter.org обсуждение исходный текст |
| Ответ на | Re: operator exclusion constraints [was: generalized index constraints] (Jeff Davis <pgsql@j-davis.com>) |
| Ответы |
Re: operator exclusion constraints [was: generalized
index constraints]
|
| Список | 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
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