Re: visibility maps

Is there anything to do with the below issue?

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Pavan Deolasee wrote:
> On Wed, Dec 17, 2008 at 7:11 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >
> >
> > I think what you are suggesting is that we should set the visibility map
> > bit while dead line pointers (tombstones) still remain. If that's what
> > you meant it's a bad idea.
>
> No, I'm not suggesting that. I understand the problem there. I was
> merely explaining how HOT-prune may some time (when there are no DEAD
> line pointers created) help us set the visibility bit early.
>
> OTOH I think we can still set PD_ALL_VISIBLE page header flag even
> when there are DEAD line pointers.
>
> Thanks,
> Pavan
>
> --
> Pavan Deolasee
> EnterpriseDB http://www.enterprisedb.com
>
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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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