| From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, "Xiao Meng" <mx(dot)cogito(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Is there anyway to create a TupleDesc with uint32 attribute easily? |
| Date: | 2008-07-15 14:26:55 |
| Message-ID: | 36e682920807150726m427250c6y53aeb40997a4f180@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jul 15, 2008 at 10:22 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com> writes:
>> I would actually suggest ditching the normal page layout with line
>> pointers and IndexTuples altogether.
>
> It would be a bad idea to remove the page header. You need the LSN
> (someday hash indexes will obey WAL logging), and removing the page
> version number seems pretty imprudent also. I'd be inclined to
> stick with the regular header and the existing "special space"
> definition. But yeah, what's in between need not necessarily be
> regular tuples.
Agreed.
--
Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
499 Thornall Street, 2nd Floor | jonah(dot)harris(at)enterprisedb(dot)com
Edison, NJ 08837 | http://www.enterprisedb.com/
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