postgresql.rb Ruby on Rails 5.1.2 postgresql.rb actioncable/lib/action_cable/subscription_adapter/postgresql.rb on GitHub Last modified: 2017-07-12 08:38:52 -0700 Required Files pg thread Namespace MODULE ActionCable MODULE ActionCable::SubscriptionAdapter CLASS ActionCable::SubscriptionAdapter::PostgreSQL CLASS ActionCable::SubscriptionAdapter::PostgreSQL::Listener