db/migrate/20170121123724_add_index_to_ci_builds_for_status_runner_id_and_type.rb


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# rubocop:disable RemoveIndex
class AddIndexToCiBuildsForStatusRunnerIdAndType < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :ci_builds, [:status, :type, :runner_id]
  end

  def down
    if index_exists?(:ci_builds, [:status, :type, :runner_id])
      remove_index :ci_builds, column: [:status, :type, :runner_id]
    end
  end
end