| From: | "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Representation of redirected line pointers in HOT |
| Date: | 2007-09-13 03:39:24 |
| Message-ID: | 2e78013d0709122039p30625abage94ce9d6fd3bbcd2@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 9/13/07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>
> What I'm thinking is that we should instead do this by extending the use
> of the lp_flags field. lp_flags is two bits, which we currently define
> as independent LP_USED and LP_DELETE bits, but in fact LP_DELETE is
> never used in heap pages. (It is used in indexes.) I propose that
> we redefine lp_flags as having four states, say
>
> LP_UNUSED 0
> LP_NORMAL 1
> LP_REDIRECT 2
> LP_DEAD 3
>
>
Sounds good to me. I saw you committed this change. Do you want me
to update HOT patch to use this or you are already doing that ?
Thanks,
Pavan
--
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2007-09-13 03:43:22 | Re: [HACKERS] New Zealand - TZ change |
| Previous Message | Tom Lane | 2007-09-12 22:46:53 | Re: Representation of redirected line pointers in HOT |