migration.rb

class AddAreasPortfolioEntries < ActiveRecord::Migration
  def self.up
    create_table "areas_portfolio_entries", :id => false do |t|
        t.references :portfolio_entry
        t.references :area
      end
      add_index :areas_portfolio_entries, :portfolio_entry_id
      add_index :areas_portfolio_entries, :area_id
  end

  def self.down
    drop_table "areas_portfolio_entries"
  end
end