| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Claudio Freire <klaussfreire(at)gmail(dot)com>, Юрий Соколов <funny(dot)falcon(at)gmail(dot)com>, Sokolov Yura <funny(dot)falcon(at)postgrespro(dot)ru>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Small improvement to compactify_tuples |
| Date: | 2017-11-08 16:25:15 |
| Message-ID: | 21483.1510158315@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)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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