| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: New FSM patch |
| Date: | 2008-09-11 11:57:51 |
| Message-ID: | 48C907BF.1090008@enterprisedb.com |
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| Lists: | pgsql-hackers |
Zdenek Kotala wrote:
> I have question about FSM structure on the page. If I look into the code
> it seems to me that tree structure is "degenerated" on the right side.
> It is probably space optimization because complete tree needs BLCKSZ/2
> space on the page and rest is empty.
>
> Is my assumption correct? If yes maybe extra note in fsm_internal.h
> about it could be helpful.
Yes, that's right. I'll add a note on that if it helps.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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