db/migrate/20170816153940_add_index_on_ci_builds_protected.rb


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

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :ci_builds, :protected
  end

  def down
    remove_concurrent_index :ci_builds, :protected if index_exists?(:ci_builds, :protected)
  end
end