gitlab-org--gitlab-foss/db/migrate/20150730122406_add_updated_by_to_issuables_and_notes.rb

class AddUpdatedByToIssuablesAndNotes < ActiveRecord::Migration[4.2]
  def change
    add_column :notes, :updated_by_id, :integer
    add_column :issues, :updated_by_id, :integer
    add_column :merge_requests, :updated_by_id, :integer
  end
end