instance method `references`

Ruby on Rails 4.1.16

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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references(*args)

No documentation comment.

Parameters

args rest

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 254
      def references(*args)
        options = args.extract_options!
        polymorphic = options.delete(:polymorphic)
        index_options = options.delete(:index)
        args.each do |col|
          column("#{col}_id", :integer, options)
          column("#{col}_type", :string, polymorphic.is_a?(Hash) ? polymorphic : options) if polymorphic
          index(polymorphic ? %w(id type).map { |t| "#{col}_#{t}" } : "#{col}_id", index_options.is_a?(Hash) ? index_options : {}) if index_options
        end
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb line 254 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::TableDefinition

Signature

Parameters