Re: User-facing aspects of serializable transactions

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От
Robert Haas
Тема
Re: User-facing aspects of serializable transactions
Дата
в 14:07:51
Msg-id
603c8f070905281007g16a6a4cfub999f63eb441a7fd@mail.gmail.com
Ответ на
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Дерево обсуждения
User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions Tom Lane <tgl@sss.pgh.pa.us>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions Tom Lane <tgl@sss.pgh.pa.us>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Peter Eisentraut <peter_e@gmx.net>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions Greg Stark <greg.stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions Tom Lane <tgl@sss.pgh.pa.us>
Re: User-facing aspects of serializable transactions Peter Eisentraut <peter_e@gmx.net>
Re: User-facing aspects of serializable transactions Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: User-facing aspects of serializable transactions Peter Eisentraut <peter_e@gmx.net>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions Tom Lane <tgl@sss.pgh.pa.us>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions Greg Stark <greg.stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Markus Wanner <markus@bluegap.ch>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions Jeff Davis <pgsql@j-davis.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Markus Wanner" <markus@bluegap.ch>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Bruce Momjian <bruce@momjian.us>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Bruce Momjian <bruce@momjian.us>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Tom Lane <tgl@sss.pgh.pa.us>
Re: User-facing aspects of serializable transactions Josh Berkus <josh@agliodbs.com>
Re: User-facing aspects of serializable transactions Greg Stark <stark@enterprisedb.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions "Albe Laurenz" <laurenz.albe@wien.gv.at>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
Re: User-facing aspects of serializable transactions "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: User-facing aspects of serializable transactions Robert Haas <robertmhaas@gmail.com>
On Thu, May 28, 2009 at 12:21 PM, Tom Lane  wrote:
> Robert Haas  writes:
>> What's hard about that?  INSERTs are the hard case, because the rows
>> you care about don't exist yet.  SELECT, UPDATE, and DELETE are easy
>> by comparison; you can lock the actual rows at issue.  Unless I'm
>> confused?
>
> UPDATE isn't really any easier than INSERT: the update might cause
> the row to satisfy someone else's search condition that it didn't
> previously satisfy.

Good point.

...Robert

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