Re: RFC: Restructuring pg_aggregate

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: RFC: Restructuring pg_aggregate
Date: 2002-04-15 03:48:10
Message-ID: 3CBA4D7A.9E61DECA@tpf.co.jp
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Christopher Kings-Lynne wrote:
>
> Also, it seems to me that at some point we are forced to break client
> compatibility.

It's not a users' consensus at all. I'm suspicious if
DROP COLUMN is such a significant feature to break
client compatibility at our ease.

> Either we add attisdropped field to pg_attribute, or we use
> Hiroshi's (-1 * attnum - offset) idea. Both Tom and Hiroshi have good
> reasons for each of these - would it be possible for you guys to post with
> your reasons for and against both the techniques.

I don't object to adding attisdropped field. What
I meant to say is that the differene is very small.

regards,
Hiroshi Inoue

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