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Re: conditional dropping of columns/constraints - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: conditional dropping of columns/constraints
Date
Msg-id 200905051541.27889.peter_e@gmx.net
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In response to Re: conditional dropping of columns/constraints  (Chris Browne <cbbrowne@acm.org>)
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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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