On Fri, Mar  6, 2015 at 06:10:15PM -0500, Stephen Frost wrote:
> Technically, there haven't been any complaints about either pg_dumpall's
> behavior in this regard, or pg_upgrade's, but pg_upgrade's post-upgrade
> scripts would happily remove any databases which were marked as
> 'datallowconn = false' and that scares the daylights out of me.  To that
> end, I'd suggest patching (and back-patching) pg_upgrade to check early
> on that:
> 
> template0 is set to 'datallowconn = false'
> 
> AND
> 
> all databases except template0 are set to 'datallowconn = true'
> 
> The first is required or anyone who has done that will get the funny
> error that started this thread and things won't work anyway, but I
> believe the latter is also necessary to patch and back-patch as it could
> lead to data loss.  It's not a high potential as, hopefully, people will
> check first, but I can imagine a hosting provider or environments where
> there are lots of independent clusters not catching this issue in their
> testing, only to discover someone set their database to 'datallowconn =
> false' for whatever reason and now that database is gone...

Agreed. I will work on a patch for this.

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

  + Everyone has their own god. +


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