attribute_method?

attribute_method?(attribute)

Instance Public methods

Returns true if attribute is an attribute method and table exists, false otherwise.

class Person < ActiveRecord::Base
end
 
Person.attribute_method?('name')   # => true
Person.attribute_method?(:age=)    # => true
Person.attribute_method?(:nothing) # => false

Links:

https://github.com/rails/rails/blob/1d6d72ac7be9512041bfd1dfb928f242ede5c061/activerecord/lib/active_record/attribute_methods.rb#L177

doc_ruby_on_rails

2025-01-10 15:47:30

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