Re: conditional dropping of columns/constraints

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Chris Browne <cbbrowne(at)acm(dot)org>
Subject: Re: conditional dropping of columns/constraints
Date: 2009-05-05 12:41:27
Message-ID: 200905051541.27889.peter_e@gmx.net
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On Monday 04 May 2009 22:21:10 Chris Browne wrote:
> For constraints, it's easy enough to treat that as idempotent; it's no
> big deal to drop and re-add a constraint.

Not if the constraint is a primary key, for example.

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