ActiveRecord::MTI ActiveRecord support for PostgreSQL’s native inherited tables (multi-table inheritance) Compatible with ActiveRecord 4.0, 4.1, 4.2, 5.0, 5.1 Confirmed production use in 4.2 1. Usage Add this line to your application’s Gemfile: gem ‘active_record-mti’ And then execute: $ bundle Or install it yourself as: $ gem install active_record-mti 2. Application… Continue Reading Ruby Gem – TwilightCoders/active_record-mti

原文:Active Record Transactions 作者:ioquatix 转自: Ruby on Rails 5.2.0 ModuleActiveRecord::Transactions::ClassMethods activerecord/lib/active_record/transactions.rb Active Record Transactions Transactions are protective blocks where SQL statements are only permanent if they can all succeed as one atomic action. The classic example is a transfer between two accounts where you can only have a deposit if the withdrawal… Continue Reading [Reproduce]Active Record Transactions