paulodelgado

// Mass rename of an attribute in Mongo

var cursor = db.my_collection.find({old_attribute: {$exists: true}});
while(cursor.hasNext()) { 
  db.my_collection.update({_id:elem._id}, {$unset: {old_attribute:1}, $set: {new_attribute: elem.old_attribute}});
}

paulodelgado

server:coreclient paulo$ sudo rake routes --trace
(in /Applications/Server.app/Contents/ServerRoot/usr/share/collabd/coreclient)
rake aborted!
uninitialized constant Rake::DSL
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rake.rb:2503:in `const_missing'
/Applications/Server.app/Contents/ServerRoot/usr/share/collabd/gems/vendor/bundle/ruby/1.8/gems/rake-0.9.2/lib/rake/tasklib.rb:8
/Applications/Server.app/Contents/ServerRoot/usr/share/collabd/gems/vendor/bundle/ruby/1.8/gems/rdoc-3.10/lib/rdoc/task.rb:37:in `require'
/Applications/Server.app/Contents/ServerRoot/usr/share/collabd/gems/vendor/bundle/ruby/1.8/gems/rdoc-3.10/lib/rdoc/task.rb:37
/Applications/Server.app/Contents/ServerRoot/usr/share/collabd/gems/vendor/bundle/ruby/1.8/gems/railties-3.0.10/lib/rails/tasks/documentation.rake:2:in `require'
/Applications/Server.app/Contents/ServerRoot/usr/share/collabd/gems/vendor/bundle/ruby/1.8/gems/railties-3.0.10/lib/rails/tasks/documentation.rake:2

paulodelgado

### Keybase proof

I hereby claim:

  * I am paulodelgado on github.
  * I am paulodelgado (https://keybase.io/paulodelgado) on keybase.
  * I have a public key ASCKnO4jBMa5hKQrmyMhpCGPfTeWwk_xdkgJxUUFLD96zQo

To claim this, I am signing this object: