| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
| Cc: | "Thomas Kellerer" <spam_eater(at)gmx(dot)net>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: MVCC and index-only read |
| Date: | 2008-11-18 20:07:44 |
| Message-ID: | dcc563d10811181207r65d90361p1f00c5ce405aac5b@mail.gmail.com |
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| Lists: | pgsql-general |
On Tue, Nov 18, 2008 at 1:03 PM, Jonah H. Harris <jonah(dot)harris(at)gmail(dot)com> wrote:
> On Tue, Nov 18, 2008 at 2:57 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>> Sounds like they're borrowing the code from innodb that does much the
>> same thing. In Innodb, if a field is indexed, it lives only as an
>> index, not in the table and an index at the same time.
>
> They aren't borrowing anything, Oracle has had this functionality
> since at least Oracle 8i (1999).
Whoa, calm down Francis. I'm not suggesting they stole it or
something. Just that they're using the same basic concepts.
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