Re: review: More frame options in window functions

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От Alvaro Herrera
Тема Re: review: More frame options in window functions
Дата
Msg-id 20100212154934.GE3737@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: review: More frame options in window functions  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: review: More frame options in window functions
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Tom Lane escribió:
> Dimitri Fontaine <dfontaine@hi-media.com> writes:
> > Searching the archives ain't helping me refresh those memories. So it
> > seems the case for an extended opclass infrastructure, or a new side
> > one, is between thin an non-existent yet?
> 
> Yeah, I don't immediately see anything that would justify going to
> that level of effort.  Adding +/- as support functions for btree
> seems like the thing to do.

Would it work to use a fake access method instead?  If we add it to
btree, will we be able to backtrack and move that to a separate catalog
if we ever determine that it would have been better?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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