Horton

Re: Progress on fast path sorting, btree index creation time

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Peter Geoghegan <peter@2ndquadrant.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, PG Hackers <pgsql-hackers@postgresql.org>
Date: 2012-02-06T23:43:04Z
Lists: pgsql-hackers

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  1. During btree index build, sort equal-keyed tuples according to their

On Mon, Feb 06, 2012 at 10:49:10PM +0000, Peter Geoghegan wrote:
> On 6 February 2012 21:19, Bruce Momjian <bruce@momjian.us> wrote:
> > Peter Geoghegan obviously has done some serious work in improving
> > sorting, and worked well with the community process.
> 
> Thank you for acknowledging that.
> 
> It's unfortunate that C does not support expressing these kinds of
> ideas in a more natural way.

Yes, it is a problem, and a benefit.  We have avoided C++ because these
types of trade-offs that we are discussing are often done invisibly, so
we can't make the decision ourselves.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +