ActiveRecord の with_lock に先人の知恵を学ぶ - Qiita

# User モデルを作ります bin/rails g model user name email Running via Spring preloader process 756 invoke active_record create db/migrate/20190302083847_create_users.rb identical app/models/user.rb invoke test_unit create test/models/user_test.rb create test/fixtures/users.yml $ bin/rails db:migrate == 20190302083847 CreateUsers: migrating ====================================== -- create_table(:users) ->

[yysaki]

“FOR UPDATE”