| From: | "Gokulakannan Somasundaram" <gokul007(at)gmail(dot)com> |
|---|---|
| To: | "Martijn van Oosterhout" <kleptog(at)svana(dot)org> |
| Cc: | "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Index Page Split logging |
| Date: | 2008-01-02 10:34:48 |
| Message-ID: | 9362e74e0801020234n119c14c8hdaf2c3af102a8abf@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Jan 2, 2008 3:35 PM, Martijn van Oosterhout <kleptog(at)svana(dot)org> wrote:
>
> If the goal is to only store the insert, then we need to determine
> during recovery which page the record needs to be added to. To do this
> you need to go through the index, which can only be done by calling
> user-defined functions.
Correct me if i am wrong.
User-defined functions act as comparison functions in GIST. But when do they
act as comparison functions in b-tree? I am not able to understand exactly
that part.
Thanks for the explanation.
--
Thanks,
Gokul.
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