Generally when this happens, it's because your database schema and your
database evolution history have gotten out of sync. Did you at any point
ever attempt any upgrade before?

Christian

-- 
Christian Hammond - chip...@chipx86.com
Review Board - http://www.reviewboard.org
VMware, Inc. - http://www.vmware.com


On Wed, Dec 21, 2011 at 4:43 PM, Yang Zhang <yanghates...@gmail.com> wrote:

> I stepped through the django_evolution code in Command.evolve() and
> found that it seems to be unconditionally trying to issue these ALTER
> statements.  I'm not sure why it's doing that - seems ridiculous.
>
> I tried manually dropping that basedir column to appease the program
> (all the values were ''), but then the next one just came up as an
> error:
>
> Error: Error applying evolution: column "status" of relation
> "diffviewer_filediff" already exists
>
> I'm now going to start learning Django evolution and refresh my memory
> on Django models.  Please feel free to intervene with any hints!  :)
>
> On Tue, Dec 20, 2011 at 9:02 PM, Yang Zhang <yaa...@gmail.com> wrote:
> > After some wrangling, I'm still stranded and not quite sure how to get
> past
> > this. Appreciate any help.
> >
> > On Friday, September 16, 2011 11:48:13 AM UTC-7, Christian Hammond wrote:
> >>
> >> Thanks for the info Joe. Glad 16.0 to 1.6.1 was more smooth. I'm not
> sure
> >> what caused the problems with the upgrade to 1.6.0 (those haven't been
> >> showing up in our regression tests), but we'll continue to look into it.
> >>
> >> Christian
> >>
> >> --
> >> Christian Hammond - chi...@chipx86.com
> >>
> >> Review Board - http://www.reviewboard.org
> >> VMware, Inc. - http://www.vmware.com
> >>
> >>
> >> On Fri, Sep 16, 2011 at 8:43 AM, Joe Campbell <joseph.r...@gmail.com>
> >> wrote:
> >>>
> >>> I did eventually make it past this issue by physically making the
> >>> modifications to the postgres database by hand.  The evolution then
> >>> completed and I was able to 'revert' any changes I had done and
> >>> everything worked.
> >>>
> >>> After this was all said and done - upgrading from 1.6.0 to 1.6.1,
> >>> 'Just worked' without needing any special intervention from me.
> >>>
> >>> Joe
> >>>
> >>> On Sep 11, 4:14 pm, Christian Hammond <chi...@chipx86.com> wrote:
> >>> > Which 1.5?
> >>> >
> >>> > Christian
> >>> >
> >>> > --
> >>> > Christian Hammond - chi...@chipx86.com
> >>>
> >>> > Review Board -http://www.reviewboard.org
> >>> > VMware, Inc. -http://www.vmware.com
> >>> >
> >>> > On Sun, Sep 11, 2011 at 1:02 PM, Joe Campbell
> >>> > <joseph.r...@gmail.com>wrote:
> >>>
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> > > Was upgrading from base 1.5 release to 1.6 with a postgres DB.  I
> did
> >>> > > eventually get the evolutions to work by renaming existing columns
> >>> > > and
> >>> > > dropping at least one empty table.  This allowed the evolutions to
> >>> > > complete
> >>> > > and I was able to get the site back up and running.
> >>> >
> >>> > > Joe
> >>> >
> >>> > > On Sat, Sep 10, 2011 at 3:43 AM, Christian Hammond
> >>> > > <chi...@chipx86.com>wrote:
> >>>
> >>> >
> >>> > >> Hi Joe,
> >>> >
> >>> > >> Sorry, this got lost in a flood of e-mails.
> >>> >
> >>> > >> What version were you upgrading from?
> >>> >
> >>> > >> What type of database?
> >>> >
> >>> > >> Christian
> >>> >
> >>> > >> --
> >>> > >> Christian Hammond - chi...@chipx86.com
> >>>
> >>> > >> Review Board -http://www.reviewboard.org
> >>> > >> VMware, Inc. -http://www.vmware.com
> >>> >
> >>> > >> On Thu, Sep 8, 2011 at 1:05 PM, Joe Campbell <
> joseph.r...@gmail.com
> >>>
> >>> > >> > wrote:
> >>> >
> >>> > >>> Running rb-site upgrade /var/www/cim-review after an easy_install
> >>> > >>> -U
> >>> > >>> ReviewBoard resulted in this:
> >>> >
> >>> > >>> Rebuilding directory structure
> >>> > >>> Updating database. This may take a while.
> >>> > >>> /usr/lib/python2.6/site-packages/Django-1.3-py2.6.egg/django/db/
> >>> > >>> __init__.py:60: DeprecationWarning: Short names for ENGINE in
> >>> > >>> database
> >>> > >>> configurations are deprecated. Prepend default.ENGINE with
> >>> > >>> 'django.db.backends.'
> >>> > >>>  DeprecationWarning
> >>> > >>> Creating tables ...
> >>> > >>> There are unapplied evolutions for sessions.
> >>> > >>> There are unapplied evolutions for accounts.
> >>> > >>> There are unapplied evolutions for diffviewer.
> >>> > >>> There are unapplied evolutions for reviews.
> >>> > >>> There are unapplied evolutions for scmtools.
> >>> > >>> Project signature has changed - an evolution is required
> >>> > >>> Installing custom SQL ...
> >>> > >>> Installing indexes ...
> >>> > >>> No fixtures found.
> >>> > >>>
> >>> > >>>
> /usr/lib/python2.6/site-packages/pycrypto-2.3-py2.6-linux-x86_64.egg/
> >>> > >>> Crypto/Util/randpool.py:40: RandomPool_DeprecationWarning: This
> >>> > >>> application uses RandomPool, which is BROKEN in older releases.
> >>> > >>>  See
> >>> > >>>http://www.pycrypto.org/randpool-broken
> >>> > >>>  RandomPool_DeprecationWarning)
> >>> > >>> Error: Error applying evolution: column "basedir" of relation
> >>> > >>> "diffviewer_diffset" already exists
> >>> >
> >>> > >>> And now my ReviewBoard Instance is complaining the DB is broken.
> >>> > >>> HELP?
> >>> >
> >>> > >>> --
> >>> > >>> Want to help the Review Board project? Donate today at
> >>> > >>>http://www.reviewboard.org/donate/
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>
> --
> Yang Zhang
> http://yz.mit.edu/
>
> --
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