Exception: ActiveModel::MissingAttributeError
Relationships & Source Files | |
Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
self,
NoMethodError
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Instance Chain:
self,
NoMethodError
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Inherits: |
NoMethodError
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Defined in: | activemodel/lib/active_model/attribute_methods.rb |
Overview
Raised when an attribute is not defined.
class User < ActiveRecord::Base
has_many :pets
end
user = User.first
user.pets.select(:id).first.user_id
# => ActiveModel::MissingAttributeError: missing attribute 'user_id' for Pet