Re: Fwd: Clarification about HOT
| От | Gokulakannan Somasundaram |
|---|---|
| Тема | Re: Fwd: Clarification about HOT |
| Дата | |
| Msg-id | 9362e74e0711050720o54477842t75a2557cc2770f93@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Fwd: Clarification about HOT (Heikki Linnakangas <heikki@enterprisedb.com>) |
| Ответы |
Re: Fwd: Clarification about HOT
|
| Список | pgsql-hackers |
Thanks Heikki. To clarify, there won't be any redirect-line pointers in this implementation. That space is saved. We will have the index tuple point to the latest live tuple in the update chain. So no need for redirect-line pointers.
Thanks,
Gokul.
--
Thanks,
Gokul.
CertoSQL Project,
Allied Solution Group.
(www.alliedgroups.com)
Thanks,
Gokul.
On 11/5/07, Heikki Linnakangas <heikki@enterprisedb.com> wrote:
Gokulakannan Somasundaram wrote:
>> There's also the little problem that a redirect line pointer doesn't
>> have room for a cross-page link,
>
> i don't know, what is a re-direct line pointer.
Then you clearly don't understand at all how HOT works. Please go read
src/backend/access/heap/README.HOT.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
--
Thanks,
Gokul.
CertoSQL Project,
Allied Solution Group.
(www.alliedgroups.com)
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