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Re: Index Page Split logging

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 (view raw or flat)
Thread:
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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