method

references

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What's this?

references(*args, **options) public

Adds a reference.

t.references(:user)
t.belongs_to(:supplier, foreign_key: true)
t.belongs_to(:supplier, foreign_key: true, type: :integer)

See {connection.add_reference}[rdoc-ref:SchemaStatements#add_reference] for details of the options you can use.

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 422
      def references(*args, **options)
        args.each do |ref_name|
          ReferenceDefinition.new(ref_name, options).add_to(self)
        end
      end

references

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