Moving udd away from sqlite

[James Westby]

On Thu, 21 Jun 2012 18:22:22 +0200, Vincent Ladeuil <vila+udd at canonical.com> wrote:
>     > Rollback is to revert the storm code again 
> 
> Restore the dbs.

I don't think we should do that if we have no evidence of data
corruption. We'd be repeating work for no benefit.

>     > Rollback is to stop the importer, revert the config changes,
> 
> restore the dbs.

No need, as changes would be written to postgres, so just switching back
to sqlite is an effective restore.

Thanks,

James