method

has_attribute?

v5.1.7 - Show latest stable - 0 notes - Class: ActiveRecord::AttributeMethods::ClassMethods

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What's this?

has_attribute?(attr_name) public

Returns true if the given attribute exists, otherwise false.

class Person < ActiveRecord::Base
end

Person.has_attribute?('name')   # => true
Person.has_attribute?(:age)     # => true
Person.has_attribute?(:nothing) # => false

Show source

# File activerecord/lib/active_record/attribute_methods.rb, line 178
      def has_attribute?(attr_name)
        attribute_types.key?(attr_name.to_s)
      end

has_attribute?

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