From: | Alvaro Herrera <alvherre(at)atentus(dot)com> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: DROP COLUMN misbehaviour with multiple inheritance |
Date: | 2002-09-22 17:08:00 |
Message-ID: | Pine.LNX.4.44.0209221301030.11862-100000@cm-lcon1-46-187.cm.vtr.net |
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Lists: | pgsql-hackers pgsql-patches |
Tom Lane dijo:
> It seems to me that DROP ONLY should set attislocal true on each child
> for which it decrements the inherit count, whether the count reaches
> zero or not. This would cause the behavior in the above case to be that
> c.f1 stays around after the second drop (but can be dropped with a third
> drop of c.f1 itself). I think this is correct, since the implication of
> DROP ONLY is that child columns are being cut loose from their parent's
> apron strings and now have independent existence.
Yes, I think it's more consistent the way you are proposing.
--
Alvaro Herrera (<alvherre[a]atentus.com>)
"Acepta los honores y aplausos y perderas tu libertad"
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