Chris@0: class ChangeChangesFromRevisionToString < ActiveRecord::Migration
Chris@0:   def self.up
Chris@0:     change_column :changes, :from_revision, :string
Chris@0:   end
Chris@0: 
Chris@0:   def self.down
Chris@0:     change_column :changes, :from_revision, :integer
Chris@0:   end
Chris@0: end