| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: visibility maps |
| Date: | 2009-01-20 17:09:37 |
| Message-ID: | 49760551.5030103@enterprisedb.com |
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| Lists: | pgsql-hackers |
Bruce Momjian wrote:
> Tom Lane wrote:
>> "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com> writes:
>>> OTOH I think we can still set PD_ALL_VISIBLE page header flag even
>>> when there are DEAD line pointers.
>> That would mean the header flag means something different than the
>> map bit does, which would mean extra tests need to be made before
>> propagating the flag bit to the map. This is doable, no doubt,
>> but it seems pretty error-prone ...
>
> Are there any open items from this discussion?
No.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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