Re: out-of-order caution
От
Kevin Grittner
Тема
Re: out-of-order caution
Дата
Msg-id
4EAA796F020000250004280A@gw.wicourts.gov
Ответ на
Re: out-of-order caution (Simon Riggs)
Список
Дерево обсуждения
out-of-order caution "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: out-of-order caution Simon Riggs <simon@2ndQuadrant.com>
Re: out-of-order caution "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: out-of-order caution Tom Lane <tgl@sss.pgh.pa.us>
Re: out-of-order caution Robert Haas <robertmhaas@gmail.com>
Re: out-of-order caution "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: out-of-order caution Tom Lane <tgl@sss.pgh.pa.us>
Re: out-of-order caution "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: out-of-order caution Robert Haas <robertmhaas@gmail.com>
Simon Riggs wrote: > On Thu, Oct 27, 2011 at 4:41 PM, Kevin Grittner > wrote: >> On the docs page for the SELECT statement, there is a caution >> which starts with: >> >> | It is possible for a SELECT command using ORDER BY and FOR >> | UPDATE/SHARE to return rows out of order. This is because ORDER >> | BY is applied first. >> >> Is this risk limited to queries running in READ COMMITTED >> transactions? If so, I think that should be mentioned in the >> caution. > > I think it should say that if this occurs with SERIALIZED > transactions it will result in a serialisation error. > > Just to say there is no effect in serializable mode wouldn't be > helpful. OK, doc patch attached. -Kevin
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