Re: Minimally avoiding Transaction Wraparound in VLDBs

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От Michael Glaesemann
Тема Re: Minimally avoiding Transaction Wraparound in VLDBs
Дата
Msg-id 1D4141D0-F12E-4234-AFBA-21635BE27017@myrealbox.com
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Ответ на Re: Minimally avoiding Transaction Wraparound in VLDBs  (David Fetter <david@fetter.org>)
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On Sep 22, 2005, at 3:55 PM, David Fetter wrote:

> On Thu, Sep 22, 2005 at 03:52:21PM +1000, Gavin Sherry wrote:
>
>> On Wed, 31 Aug 2005, Tom Lane wrote:
>>
>> Well, I was just poking around the executor and noticed this in
>> ExecDelete():
>>
>>     /*
>>      * Note: Normally one would think that we have to delete index  
>> tuples
>>      * associated with the heap tuple now..
>>      *
>>      * ... but in POSTGRES, we have no need to do this because the  
>> vacuum
>>      * daemon automatically opens an index scan and deletes index  
>> tuples
>>      * when it finds deleted heap tuples. -cim 9/27/89
>>      */
>>
>
> I have an idea who this might be :)

giof

http://www.taylors.org/cim/resume/cimarron.html


Michael Glaesemann
grzm myrealbox com




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