method

foreign_key

v2.2.1 - Show latest stable - 0 notes - Class: ActiveSupport::Inflector

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What's this?

foreign_key(class_name, separate_class_name_and_id_with_underscore = true) public

Creates a foreign key name from a class name. separate_class_name_and_id_with_underscore sets whether the method should put ‘_’ between the name and ‘id’.

Examples:

  "Message".foreign_key        # => "message_id"
  "Message".foreign_key(false) # => "messageid"
  "Admin::Post".foreign_key    # => "post_id"

Show source

# File activesupport/lib/active_support/inflector.rb, line 324
    def foreign_key(class_name, separate_class_name_and_id_with_underscore = true)
      underscore(demodulize(class_name)) + (separate_class_name_and_id_with_underscore ? "_id" : "id")
    end

foreign_key

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