ActiveRecord::ConnectionAdapters::Type Ruby on Rails 5.1.2 Module ActiveRecord::ConnectionAdapters::Type activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb activerecord/lib/active_record/connection_adapters/postgresql/oid/bytea.rb activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb