Chris@909: class ChangeChangesFromRevisionToString < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     change_column :changes, :from_revision, :string
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     change_column :changes, :from_revision, :integer
Chris@909:   end
Chris@909: end