MigrationProxy is used to defer loading of the actual migration classes until they are needed
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.
# File activerecord/lib/active_record/gem_version.rb, line 5 def self.gem_version Gem::Version.new VERSION::STRING end
Returns the version of the currently loaded Active Record as a
© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.