Ruby on Rails 7.2.2
Module
ActiveRecord::Middleware
- activerecord/lib/active_record.rb
- 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/middleware/shard_selector.rb
- railties/lib/rails/application/default_middleware_stack.rb