Re: BETWEEN Node & DROP COLUMN

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: BETWEEN Node & DROP COLUMN
Date: 2002-07-04 05:53:55
Message-ID: 3D23E2F3.47AE0B3A@tpf.co.jp
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Tom Lane wrote:
>
> Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> writes:
> > I used the following macro in my trial implementation.
> > #define COLUMN_IS_DROPPED(attribute) ((attribute)->attnum <=
> > DROP_COLUMN_OFFSET)
> > The places where the macro was put are exactly the places
> > where attisdropped must be checked.
>
> Actually, your trial required column dropped-ness to be checked in
> many more places than the proposed approach does.

Have you ever really checked my trial implementation ?

regards,
Hiroshi Inoue
http://w2422.nsk.ne.jp/~inoue/

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