From:
"Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To:
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc:
Andrew Dunstan <andrew(at)dunslane(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,simon(at)2ndquadrant(dot)com, kleptog(at)svana(dot)org, gsstark(at)mit(dot)edu,pg(at)rbt(dot)ca, zhouqq(at)cs(dot)toronto(dot)edu, pgsql-hackers(at)postgresql(dot)org
Subject:
Re: [Bizgres-general] WAL bypass for INSERT, UPDATE and
Date:
2006-01-03 15:58:34
Message-ID:
20060103155834.GD82560@pervasive.com (view raw or flat )
Thread:
2005-12-22 14:31:33 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-22 17:12:04 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-22 20:10:54 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-01-03 13:08:46 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-22 18:37:51 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2005-12-22 18:38:45 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2005-12-22 20:18:26 from Martijn van Oosterhout <kleptog(at)svana(dot)org>
2005-12-22 22:13:03 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-22 22:36:25 from Stephen Frost <sfrost(at)snowman(dot)net>
2005-12-23 10:18:43 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-22 23:52:38 from "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-23 00:05:10 from "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-23 00:29:29 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-23 00:53:04 from "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-23 04:31:07 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-24 02:37:42 from Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-24 03:00:39 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-24 03:29:50 from Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-24 03:41:42 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-24 03:50:57 from "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
2005-12-24 04:06:21 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-24 07:01:17 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-27 17:07:29 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2005-12-27 22:41:57 from Hannu Krosing <hannu(at)skype(dot)net>
2005-12-28 00:30:12 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-24 04:19:01 from Rod Taylor <pg(at)rbt(dot)ca>
2005-12-24 08:23:42 from Martijn van Oosterhout <kleptog(at)svana(dot)org>
2005-12-24 15:16:52 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-24 15:32:29 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-26 12:03:27 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-26 12:22:12 from Martijn van Oosterhout <kleptog(at)svana(dot)org>
2005-12-26 16:00:51 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-27 18:20:29 from Martijn van Oosterhout <kleptog(at)svana(dot)org>
2005-12-27 22:47:31 from Hannu Krosing <hannu(at)skype(dot)net>
2005-12-28 08:50:26 from Martijn van Oosterhout <kleptog(at)svana(dot)org>
2005-12-29 01:58:14 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-29 03:05:30 from "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
2005-12-29 04:09:21 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-29 13:19:45 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-29 14:35:27 from Rod Taylor <pg(at)rbt(dot)ca>
2005-12-29 15:10:40 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-29 16:12:11 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-29 16:37:39 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-30 13:09:12 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-30 14:53:33 from "Andrew Dunstan" <andrew(at)dunslane(dot)net>
2005-12-30 14:57:06 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2005-12-30 17:39:21 from Andrew Dunstan <andrew(at)dunslane(dot)net>
2005-12-30 17:58:15 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-03 15:58:34 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 16:26:51 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2006-01-03 16:43:25 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 16:48:01 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2006-01-03 17:08:05 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-03 21:16:55 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 21:20:47 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-03 21:27:50 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 22:38:25 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-03 23:23:54 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-01-04 01:16:19 from Josh Berkus <josh(at)agliodbs(dot)com>
2006-01-04 04:24:09 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-03 23:10:16 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-30 16:49:59 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-30 19:28:41 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-30 21:14:49 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-30 22:36:24 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-30 22:46:45 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-30 23:04:33 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-30 23:09:00 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-30 22:50:21 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2005-12-30 22:52:49 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-01 01:02:24 from August Zajonc <augustz(at)augustz(dot)com>
2005-12-31 11:59:44 from "Michael Paesold" <mpaesold(at)gmx(dot)at>
2006-01-03 23:58:09 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-01-03 22:53:53 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-01-05 17:22:28 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-04 00:11:55 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-01-05 17:27:05 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-01-05 21:56:21 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-02-04 03:29:48 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-02-07 00:07:57 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-02-07 02:08:08 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-02-07 02:24:31 from Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
2006-02-07 04:07:41 from Rick Gigger <rick(at)alpinenetworking(dot)com>
2006-02-07 04:13:59 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2006-02-07 06:51:13 from Rick Gigger <rick(at)alpinenetworking(dot)com>
2006-02-07 09:40:37 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2006-02-08 01:44:24 from Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
2006-02-08 02:00:51 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-02-07 02:27:45 from Doug McNaught <doug(at)mcnaught(dot)org>
2005-12-29 16:14:37 from "Andrew Dunstan" <andrew(at)dunslane(dot)net>
2005-12-29 16:05:42 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-29 16:24:28 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2006-01-03 15:45:21 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 16:21:37 from Stephen Frost <sfrost(at)snowman(dot)net>
2006-01-03 16:29:02 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2006-01-03 16:38:52 from "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
2006-01-03 16:55:15 from Stephen Frost <sfrost(at)snowman(dot)net>
2006-01-03 16:54:01 from Stephen Frost <sfrost(at)snowman(dot)net>
2006-01-03 17:37:32 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2006-01-03 18:30:56 from Stephen Frost <sfrost(at)snowman(dot)net>
2005-12-29 17:20:32 from Greg Stark <gsstark(at)mit(dot)edu>
2005-12-29 17:30:49 from Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
2005-12-24 14:18:17 from Simon Riggs <simon(at)2ndquadrant(dot)com>
Lists:
pgsql-hackers
On Fri, Dec 30, 2005 at 12:58:15PM -0500, Bruce Momjian wrote:
> Andrew Dunstan wrote:
> > >>My concern is more about making plain that this is for special operations,
> > >>not normal operations. Or maybe I have misunderstood the purpose.
> > >>
> > >>
> > >
> > >Rephrase that as "full ownership rights must be obtained to load data in
> > >a way that requires dropping any existing indexes and locking out other
> > >users of the table". I don't think the use-case for this will be very
> > >large for non-owners, or indeed even for owners except during initial
> > >table creation; and so I don't think the above argument is strong.
> > >
> >
> > Those restrictions aren't true of Bruce's proposed drop and
> > delete/truncate recovery modes, are they?
>
> Only the owner could do the ALTER, for sure, but once the owner sets it,
> any user with permission to write to the table would have those
> characteristics.
Dumb question: if the ALTER is done inside a transaction, and then
reverted at the end of the transaction, does that mean that no other
transactions would have those permissions? I think the general use-case
is that you only one the session doing the ALTER to be able to use these
special modes, not anyone else who happens to be hitting the table at
that time...
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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