db/migrate/20180511090724_add_index_on_ci_runners_runner_type.rb


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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