From: | "Jim \"Decibel!\" Nasby" <decibel(at)decibel(dot)org> |
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To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <peter(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PG Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Progress on fast path sorting, btree index creation time |
Date: | 2012-02-06 21:53:29 |
Message-ID: | 4F304BD9.3040409@decibel.org |
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Lists: | pgsql-hackers |
On 2/6/12 3:19 PM, Bruce Momjian wrote:
>> > While we're waiting for anyone else to weigh in with an opinion on the
>> > right place to draw the line here, do you want to post an updated
>> > patch with the changes previously discussed?
> Well, I think we have to ask not only how many people are using
> float4/8, but how many people are sorting or creating indexes on them.
> I think it would be few and perhaps should be eliminated.
I agree that it's probably pretty unusual to index floats. My objection
was on the assumption that float8 is valid but float4 isn't. If we are
going to provide a fast-path for one then we should do it for both if
for no other reason than least surprise.
--
Jim C. Nasby, Database Architectjim(at)nasby(dot)net
512.569.9461 (cell)http://jim.nasby.net
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