| From: | Michael Glaesemann <grzm(at)myrealbox(dot)com> |
|---|---|
| To: | David Fetter <david(at)fetter(dot)org> |
| Cc: | Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Cimarron Taylor <cimarron(at)christopherrobin(dot)kolo(dot)net> |
| Subject: | Re: Minimally avoiding Transaction Wraparound in VLDBs |
| Date: | 2005-09-22 07:15:26 |
| Message-ID: | 1D4141D0-F12E-4234-AFBA-21635BE27017@myrealbox.com |
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| Thread: | |
| Lists: | pgsql-hackers |
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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