From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Merlin Moncure <merlin(dot)moncure(at)rcsonline(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: ALTER TABLE TODO items |
Date: | 2004-05-06 16:43:46 |
Message-ID: | 200405061643.i46Ghkh06972@candle.pha.pa.us |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> "Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com> writes:
> > 1. alter table alter type on a clustered index seems to drop the cluster
>
> I tweaked things so that the clustered flag is preserved for indexes
> that aren't directly affected by the ALTER TYPE. It would take more
> work to preserve the setting for an index that is rebuilt by ALTER TYPE,
> and I'm not even sure that it's sensible --- the new index could have
> a significantly different ordering from the old. What do you think?
At a minimum, we should indicate we dropped the cluster on the index.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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