RailsDoc(β)
  • v5.2
    v7.2 v7.1 v7.0 v6.1 v6.0 v5.2
  • GitHub
  • Required Files
  • Namespace
    • Module
    • Class
Ruby on Rails 5.2.8

migration.rb

  • activerecord/lib/active_record/migration.rb on GitHub

Required Files

  • set
  • zlib
  • active_support/core_ext/module/attribute_accessors

Namespace

Module

  • ActiveRecord
  • ActiveRecord::ConnectionHandling
  • ActiveRecord::VERSION
  • ActiveSupport

Class

  • ActiveRecord::EnvironmentMismatchError
  • ActiveRecord::IrreversibleMigration
  • ActiveRecord::Migration
  • ActiveRecord::Migration::CheckPending