Namespace

Module

Class

Methods

Constants

MigrationProxy = Struct.new(:name, :version, :filename, :scope) do def initialize(name, version, filename, scope) super @migration = nil end def basename File.basename(filename) end def mtime File.mtime filename end delegate :migrate, :announce, :write, :disable_ddl_transaction, to: :migration private def migration @migration ||= load_migration end def load_migration require(File.expand_path(filename)) name.constantize.new(name, version) end end
 

MigrationProxy is used to defer loading of the actual migration classes until they are needed
Point = Struct.new(:x, :y)
UnknownAttributeError = ActiveModel::UnknownAttributeError
 

Raised when unknown attributes are supplied via mass assignment.

class Person
  include ActiveModel::AttributeAssignment
  include ActiveModel::Validations
end

person = Person.new
person.assign_attributes(name: 'Gorby')
# => ActiveModel::UnknownAttributeError: unknown attribute 'name' for Person.

Class Public methods

gem_version()

Returns the version of the currently loaded Active Record as a Gem::Version

📝 Source code 
# File activerecord/lib/active_record/gem_version.rb, line 5
  def self.gem_version
    Gem::Version.new VERSION::STRING
  end
🔎 See on GitHub

version()

Returns the version of the currently loaded ActiveRecord as a Gem::Version

📝 Source code 
# File activerecord/lib/active_record/version.rb, line 7
  def self.version
    gem_version
  end
🔎 See on GitHub