| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | "Jim C(dot) Nasby" <jim(at)nasby(dot)net> |
| Cc: | Josh Berkus <josh(at)agliodbs(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance <pgsql-performance(at)postgresql(dot)org>, <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PERFORM] Hypothetical suggestions for planner, indexing |
| Date: | 2003-05-06 14:04:39 |
| Message-ID: | 20030506220422.T16817-100000@houston.familyhealth.com.au |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-performance |
> On Mon, May 05, 2003 at 09:33:33PM -0700, Josh Berkus wrote:
> > EXISTS is more flexible than IN; how can you do a 3-column corellation on an
> > IN clause?
>
> It would be nice to add support for multi-column IN..
>
> WHERE (a, b, c) IN (SELECT a, b, c ...)
Umm....we DO have that...
Chris
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