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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Claudio Freire <klaussfreire@gmail.com>
Cc: Юрий Соколов <funny.falcon@gmail.com>
Cc: Sokolov Yura <funny.falcon@postgrespro.ru>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: PostgreSQL-Dev <pgsql-hackers@postgresql.org>
Subject: Re: Small improvement to compactify_tuples
Date: Wed, 08 Nov 2017 11:25:15 -0500
Message-ID: <21483.1510158315@sss.pgh.pa.us> (raw)
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Robert Haas <robertmhaas@gmail.com> writes:
> Just to throw a random idea out here, we currently have
> gen_qsort_tuple.pl producing qsort_tuple() and qsort_ssup().  Maybe it
> could be modified to also produce a specialized qsort_itemids().  That
> might be noticeably faster that our general-purpose qsort() for the
> reasons mentioned in the comments in gen_qsort_tuple.pl, viz:

+1 for somebody trying that (I'm not volunteering, though).

			regards, tom lane


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