metamaps--metamaps/db/migrate/20161216174257_add_updated_by_to_mappings.rb

class AddUpdatedByToMappings < ActiveRecord::Migration[5.0]
  def change
      add_reference :mappings, :updated_by, foreign_key: {to_table: :users}
  end
end
Track everything we need to reconstruct maps (#984) * feature/more.events * keep mapping.user as the creator * cleanup cruft and include slack notifs * capture topic and synapse updates, store the old values * avoid the mapping gets deleted problem * include an indicator of which values changed * style cleanup * remove the hack in favor of a legit way * updated schema file 2016-12-16 21:51:52 +00:00			`class AddUpdatedByToMappings < ActiveRecord::Migration[5.0]`
			`def change`
			`add_reference :mappings, :updated_by, foreign_key: {to_table: :users}`
			`end`
			`end`