class AddConversionTimestampsToSwfAssets < ActiveRecord::Migration[4.2]
def self.up
add_column :swf_assets, :reported_broken_at, :timestamp
add_column :swf_assets, :converted_at, :timestamp
end
def self.down
remove_column :swf_assets, :converted_at
remove_column :swf_assets, :reported_broken_at