class AddIndexOnCiRunnersRunnerType < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :ci_runners, :runner_type
  end

  def down
    # rubocop:disable Migration/RemoveIndex
    remove_index :ci_runners, :runner_type
  end
end