class CreateContestMemberRoles < ActiveRecord::Migration
  def change
    create_table :contest_member_roles do |t|
      t.references :contest_member
      t.references :role
      t.boolean :is_current, :default => true

      t.timestamps
    end
    add_index :contest_member_roles, :contest_member_id
    add_index :contest_member_roles, :role_id
  end
end