Re: Using 128-bit integers for sum, avg and statistics aggregates

From:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To:	Andres Freund <andres(at)2ndquadrant(dot)com>
Cc:	Andreas Karlsson <andreas(at)proxel(dot)se>, Peter Geoghegan <pg(at)heroku(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: Using 128-bit integers for sum, avg and statistics aggregates
Date:	2015-03-21 15:32:58
Message-ID:	10971.1426951978@sss.pgh.pa.us
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Thread:	2014-10-25 14:38:41 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎  2014-10-28 13:05:11 from Arthur Silva <arthurprs(at)gmail(dot)com>   2014-10-28 13:24:57 from Andres Freund <andres(at)2ndquadrant(dot)com>    2014-10-28 13:54:30 from Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>     2014-10-28 13:56:05 from Andres Freund <andres(at)2ndquadrant(dot)com>     2014-10-28 14:06:07 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>      2014-10-28 14:40:06 from Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>       2014-10-28 14:47:35 from Andreas Karlsson <andreas(at)proxel(dot)se>        2014-10-28 15:01:13 from Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>         2014-10-28 15:04:34 from Andreas Karlsson <andreas(at)proxel(dot)se>   2014-10-28 13:31:14 from Andreas Karlsson <andreas(at)proxel(dot)se>  2014-10-28 13:21:38 from Merlin Moncure <mmoncure(at)gmail(dot)com>  2014-11-13 01:03:20 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎   2014-11-13 01:32:28 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎    2014-11-13 02:38:38 from Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>     2014-11-14 00:57:16 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎      2014-11-14 01:25:21 from Peter Eisentraut <peter_e(at)gmx(dot)net>       2014-11-14 01:41:44 from Andreas Karlsson <andreas(at)proxel(dot)se>      2014-12-16 10:04:13 from David Rowley <dgrowleyml(at)gmail(dot)com>       2014-12-22 01:20:03 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>       2014-12-24 03:04:23 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎        2014-12-26 12:57:33 from David Rowley <dgrowleyml(at)gmail(dot)com>         2014-12-31 05:20:24 from Robert Haas <robertmhaas(at)gmail(dot)com>          2014-12-31 14:00:50 from David Rowley <dgrowleyml(at)gmail(dot)com>           2014-12-31 14:13:45 from Andres Freund <andres(at)2ndquadrant(dot)com>            2015-01-02 21:22:08 from Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>             2015-01-02 21:41:26 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>              2015-01-02 21:58:25 from Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>               2015-01-02 22:18:53 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                2015-01-02 22:57:09 from Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>                 2015-01-02 23:07:41 from Claudio Freire <klaussfreire(at)gmail(dot)com>           2014-12-31 16:43:39 from Robert Haas <robertmhaas(at)gmail(dot)com>           2015-01-18 00:37:11 from Andreas Karlsson <andreas(at)proxel(dot)se>            2015-01-22 23:40:51 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎             2015-01-23 01:58:46 from Petr Jelinek <petr(at)2ndquadrant(dot)com>              2015-01-27 07:21:57 from Andreas Karlsson <andreas(at)proxel(dot)se>               2015-01-27 08:05:17 from Andres Freund <andres(at)2ndquadrant(dot)com>                2015-01-27 08:21:48 from Andreas Karlsson <andreas(at)proxel(dot)se>               2015-01-28 23:28:51 from Peter Geoghegan <pg(at)heroku(dot)com>                2015-02-13 13:07:41 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>                 2015-02-16 23:05:07 from Andreas Karlsson <andreas(at)proxel(dot)se>                2015-03-04 22:51:42 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎                 2015-03-07 18:18:45 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                  2015-03-09 12:39:04 from Andreas Karlsson <andreas(at)proxel(dot)se>                   2015-03-09 16:33:31 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                   2015-03-09 17:39:50 from David Fetter <david(at)fetter(dot)org>                    2015-03-09 17:57:28 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                  2015-03-10 00:37:02 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎                   2015-03-10 01:26:11 from Peter Geoghegan <pg(at)heroku(dot)com>                    2015-03-13 01:23:36 from Andreas Karlsson <andreas(at)proxel(dot)se>                     2015-03-13 21:22:18 from Peter Geoghegan <pg(at)heroku(dot)com>                      2015-03-14 03:17:29 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎                       2015-03-15 20:47:40 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                        2015-03-15 23:37:08 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎                         2015-03-16 13:22:57 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                          2015-03-18 03:50:48 from Peter Geoghegan <pg(at)heroku(dot)com>                           2015-03-18 08:05:54 from Andres Freund <andres(at)2ndquadrant(dot)com>                            2015-03-18 21:00:51 from Peter Geoghegan <pg(at)heroku(dot)com>                             2015-03-18 22:16:14 from Andres Freund <andres(at)2ndquadrant(dot)com>                              2015-03-18 22:59:52 from Peter Geoghegan <pg(at)heroku(dot)com> 📎                               2015-03-18 23:07:40 from Andres Freund <andres(at)2ndquadrant(dot)com>                                2015-03-18 23:10:28 from Peter Geoghegan <pg(at)heroku(dot)com>                               2015-03-18 23:14:46 from Andreas Karlsson <andreas(at)proxel(dot)se> 📎                                2015-03-19 18:08:26 from Andres Freund <andres(at)2ndquadrant(dot)com> 📎                                 2015-03-19 23:49:07 from Andreas Karlsson <andreas(at)proxel(dot)se>                                  2015-03-20 00:05:24 from Peter Geoghegan <pg(at)heroku(dot)com>                                  2015-03-20 09:32:06 from Andres Freund <andres(at)2ndquadrant(dot)com>                                   2015-03-20 09:39:46 from Andreas Karlsson <andreas(at)proxel(dot)se>                                    2015-03-20 09:43:30 from Peter Geoghegan <pg(at)heroku(dot)com>                                   2015-03-21 15:32:58 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                                    2015-03-22 05:17:28 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>                                     2015-03-22 05:22:25 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>                                     2015-03-22 05:27:10 from David Rowley <dgrowley(at)gmail(dot)com>                                     2015-03-22 09:22:30 from Andres Freund <andres(at)2ndquadrant(dot)com>                                      2015-03-22 09:34:04 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>                                       2015-03-22 09:35:34 from Andres Freund <andres(at)2ndquadrant(dot)com>                                        2015-03-22 10:47:59 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                                         2015-03-22 12:59:22 from Andreas Karlsson <andreas(at)proxel(dot)se>                                          2015-03-22 21:00:13 from Petr Jelinek <petr(at)2ndquadrant(dot)com>                                           2015-03-22 21:20:49 from Andres Freund <andres(at)2ndquadrant(dot)com>                                            2015-03-22 21:28:01 from Andreas Karlsson <andreas(at)proxel(dot)se>                                             2015-03-22 21:34:21 from Andres Freund <andres(at)2ndquadrant(dot)com>                                            2015-03-22 21:32:32 from Andres Freund <andres(at)2ndquadrant(dot)com>                                      2015-03-22 09:34:26 from David Rowley <dgrowleyml(at)gmail(dot)com>                                       2015-03-22 09:42:51 from Michael Paquier <michael(dot)paquier(at)gmail(dot)com>        2015-01-11 01:36:31 from Andres Freund <andres(at)anarazel(dot)de>         2015-01-11 04:07:13 from Andreas Karlsson <andreas(at)proxel(dot)se>          2015-01-11 16:14:24 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>          2015-01-11 19:08:21 from Petr Jelinek <petr(at)2ndquadrant(dot)com>          2015-01-12 00:37:28 from Andres Freund <andres(at)anarazel(dot)de>         2015-01-22 23:27:16 from Andreas Karlsson <andreas(at)proxel(dot)se>      2014-12-22 22:47:48 from Oskari Saarenmaa <os(at)ohmu(dot)fi>       2014-12-23 23:41:13 from Andreas Karlsson <andreas(at)proxel(dot)se>
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• Re: Using 128-bit integers for sum, avg and statistics aggregates at 2015-03-20 09:32:06 from Andres Freund

Responses

• Re: Using 128-bit integers for sum, avg and statistics aggregates at 2015-03-22 05:17:28 from Michael Paquier

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