Ruby on Rails 6.0.3.2
Module
ActiveRecord::Middleware
activerecord/lib/active_record/middleware/database_selector.rb
activerecord/lib/active_record/middleware/database_selector/resolver.rb
activerecord/lib/active_record/middleware/database_selector/resolver/session.rb
activerecord/lib/active_record/railtie.rb
Namespace
CLASS
ActiveRecord::Middleware::DatabaseSelector