On Thu, Dec  6, 2012 at 07:53:57PM -0500, Tom Lane wrote:
> Bruce Momjian <br...@momjian.us> writes:
> > Yes, I thought of not dumping it.  The problem is that we don't delete
> > the index when it fails, so I assumed we didn't want to lose the index
> > creation information.  I need to understand why we did that.
> 
> Because CREATE INDEX CONCURRENTLY can't drop the index if it's already
> failed.  It's not because we want to do that, it's an implementation
> restriction of the horrid kluge that is CREATE/DROP INDEX CONCURRENTLY.

Well, what is the logic that pg_dump dumps it then, even in
non-binary-upgrade mode?

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

  + It's impossible for everything to be true. +


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