Contents

# encoding: utf-8
module Mongoid
  module Persistence
    module Atomic

      # Performs atomic $unset operations.
      class Unset
        include Operation

        # Sends the atomic $unset operation to the database.
        #
        # @example Persist the new values.
        #   unset.persist
        #
        # @return [ nil ] The new value.
        #
        # @since 2.1.0
        def persist
          prepare do
            document.attributes.delete(field)
            execute("$unset")
          end
        end
      end
    end
  end
end

Version data entries

24 entries across 24 versions & 2 rubygems

Version	Path
mongoid-3.0.2	lib/mongoid/persistence/atomic/unset.rb
mongoid-3.0.1	lib/mongoid/persistence/atomic/unset.rb
mongoid-3.0.0	lib/mongoid/persistence/atomic/unset.rb
mongoid-3.0.0.rc	lib/mongoid/persistence/atomic/unset.rb