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Re: Re: Fixes to index pages

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Re: Fixes to index pages
Date: 2001-02-22 01:01:49
Message-ID: 3A9464FD.BCCEF035@tpf.co.jp (view raw or flat)
Thread:
Lists: pgsql-patches
Bruce Momjian wrote:
> 
> > Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > > Tom, here are the changes I was thinking about to clean up a few areas
> > > in index pages tables.  I will hold the patch until 7.2.
> >
> > What happened to our discussion about keeping t_info bit 13 unused??
> 
> I wasn't going to reserve it in the patch. I figured I would make all
> the items/flags match, and if someone wants to reserve it, it is easy to
> do in one place.  I imagine 7.2 is going to be dump/reload anyway so the
> decision can be made during development cycle.  I basically didn't want
> to leave a bit gap and leave it unnamed because it could cause
> confusion.
> 

You have added the following TODO recently.
 * Add deleted bit to index tuples to reduce heap access

Where would you have the deleted bit in IndexTupleData ?

Regards,
Hiroshi Inoue

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