Sequel.migration do
  change do
    create_table(:vevents) do
      String :orn , null: false
      String :calendar_orn , null: false
      String :summary, null: false
      String :description, null: true
      String :uid, null: false
      String :uri, null: true
      String :klass, null: false
      String :location, null: true
      DateTime :begin_date, null: false
      DateTime :end_date, null: true
      DateTime :created, null: false
      DateTime :updated, null: false
    end

    alter_table(:vevents) do
      add_index(:orn, unique: true)
    end
  end
end