RailsDoc(β)
v6.1
v8.0
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Required Files
Namespace
Module
Ruby on Rails 6.1.7
migration.rb
railties/lib/rails/generators/migration.rb
on GitHub
Required Files
active_support/concern
rails/generators/actions/create_migration
Namespace
Module
Rails
Rails::Generators
Rails::Generators::Actions
Rails::Generators::Migration
Rails::Rails