Re: [RFC] Should smgrtruncate() avoid sending sinval message for temp relations

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От Robert Haas
Тема Re: [RFC] Should smgrtruncate() avoid sending sinval message for temp relations
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Msg-id CA+TgmoaD8y=ONGBy_f_7UhRb9NgKZcPNyi5B1RZe5-q+2uhEMw@mail.gmail.com
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Ответ на Re: [RFC] Should smgrtruncate() avoid sending sinval message for temp relations  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [RFC] Should smgrtruncate() avoid sending sinval message for temp relations  (Andres Freund <andres@2ndquadrant.com>)
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On Mon, Aug 11, 2014 at 7:40 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Fri, Aug 8, 2014 at 10:30 AM, MauMau <maumau307@gmail.com> wrote:
>>> I've tracked down the real root cause.  The fix is very simple.  Please
>>> check the attached one-liner patch.
>
>> I'd support back-porting that commit to 9.1 and 9.2 as a fix for this
>> problem.  As the commit message says, it's dead simple.
>
> While I have no great objection to back-porting Heikki's patch, it seems
> like a very large stretch to call this a root-cause fix.  At best it's
> band-aiding one symptom in a rather fragile way.

Yeah, that's true, but I'm not clear that we have another
back-patchable fix, so doing something almost-certainly-harmless to
alleviate the immediate pain seems worthwhile.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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