RailsDoc(β)
v6.1
v8.0
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Ruby on Rails 6.1.7
Class
ActiveRecord::Migration::Compatibility::V6_0::ReferenceDefinition
< ActiveRecord::ConnectionAdapters::ReferenceDefinition
activerecord/lib/active_record/migration/compatibility.rb