| From: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: RFC: Restructuring pg_aggregate |
| Date: | 2002-04-12 04:09:28 |
| Message-ID: | 3CB65DF7.8FCFC024@tpf.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Bruce Momjian wrote:
>
> Hiroshi Inoue wrote:
> > Christopher Kings-Lynne wrote:
> > >
> I think that is why Tom was suggesting making all the column values NULL
> and removing the pg_attribute row for the column. With a NULL value, it
> doesn't take up any room in the tuple, and with the pg_attribute column
> gone, no one will see that row. The only problem is the gap in attno
> numbering. How big a problem is that?
There's no problem with applications which don't inquire
of system catalogs(pg_attribute). Unfortunately we have
been very tolerant of users' access on system tables and
there would be pretty many applications which inquire of
pg_attribute.
regards,
Hiroshi Inoue
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Neil Conway | 2002-04-12 04:41:34 | Re: 7.3 schedule |
| Previous Message | Hiroshi Inoue | 2002-04-12 03:58:01 | Re: 7.3 schedule |