Re: ALTER TABLE lock strength reduction patch is unsafe

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От Alvaro Herrera
Тема Re: ALTER TABLE lock strength reduction patch is unsafe
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Msg-id 1325533773-sup-6881@alvh.no-ip.org
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Ответ на Re: ALTER TABLE lock strength reduction patch is unsafe  (Noah Misch <noah@leadboat.com>)
Ответы Re: ALTER TABLE lock strength reduction patch is unsafe  (Simon Riggs <simon@2ndQuadrant.com>)
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Excerpts from Noah Misch's message of lun ene 02 16:39:09 -0300 2012:
>
> On Mon, Jan 02, 2012 at 04:33:28PM -0300, Alvaro Herrera wrote:

> > Uh, I thought detoasting had its own visibility test function .. I mean,
> > otherwise, what is HeapTupleSatisfiesToast for?
>
> The SnapshotNow scan was actually to build the relcache entry for the toast
> table before scanning the toast table itself.  Stack trace:

Oh, right, that makes sense.

--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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