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Re: Index Page Split logging

From: "Gokulakannan Somasundaram" <gokul007(at)gmail(dot)com>
To: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
Cc: "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 09:19:35
Message-ID: (view raw or whole thread)
Lists: pgsql-hackers
On Jan 2, 2008 2:25 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:

> On Tue, 2008-01-01 at 14:02 -0500, Tom Lane wrote:
> > Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> > > If we could log *only* the insert that caused the split, rather than
> the
> > > split itself, we would avoid that situation entirely.
> >
> > How are you going to avoid the need to run user-defined functions
> > (specifically, the btree comparison functions) during replay?
> Seems like a good objection. Just exercising my lateral thought muscles.

Can this be explained in more detail???


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