On Fri, Aug 22, 2014 at 03:12:47PM -0400, Robert Haas wrote:
> On Fri, Aug 22, 2014 at 2:33 PM, Bruce Momjian <br...@momjian.us> wrote:
> >> Yes, you remember well.  I will have to find a different way for
> >> pg_upgrade to call a no-op ALTER TABLE, which is fine.
> >
> > Looking at the ALTER TABLE options, I am going to put this check in a
> > !IsBinaryUpgrade block so pg_upgrade can still use its trick.
> -1, that's really ugly.
> Maybe the right solution is to add a form of ALTER TABLE that is
> specifically defined to do only this check.  This is an ongoing need,
> so that might not be out of line.

Ah, seems ALTER TABLE ... DROP CONSTRAINT IF EXISTS also works --- I
will use that.

  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +

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