| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Rod Taylor <rbt(at)zort(dot)ca>, Thomas Lockhart <lockhart(at)fourpalms(dot)org>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: BETWEEN Node & DROP COLUMN |
| Date: | 2002-07-05 00:15:31 |
| Message-ID: | 6536.1025828131@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Even if we could do it, we would be feeding clients attno
> values that are inaccurate, causing problems when attno is joined to
> other tables.
Good point; we'd need similar views replacing pg_attrdef and probably
other places. Messy indeed :-(
But as Dave already pointed out, it's probably pointless to worry.
The schema support in 7.3 will already de-facto break nearly every
client that inspects the system catalogs, so adding some more work
for DROP COLUMN support isn't going to make much difference.
regards, tom lane
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