class ActiveRecord::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.
Attributes
 attribute[R] 
   record[R] 
  Public Class Methods
# File activemodel/lib/active_model/errors.rb, line 703
def initialize(record, attribute)
  @record = record
  @attribute = attribute
  super("unknown attribute '#{attribute}' for #{@record.class}.")
end  Calls superclass method 
  
    © 2004–2020 David Heinemeier Hansson
Licensed under the MIT License.