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attribute_names

attribute_names()

Instance Public methods

Returns an array of column names as strings if it's not an abstract class and table exists. Otherwise it returns an empty array.

class Person < ActiveRecord::Base
end

Person.attribute_names
# => ["id", "created_at", "updated_at", "name", "age"]

Links:

https://github.com/rails/rails/blob/1d6d72ac7be9512041bfd1dfb928f242ede5c061/activerecord/lib/active_record/attribute_methods.rb#L189

doc_ruby_on_rails

2015-06-20 00:00:00

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