Module ActiveRecord::Delegation

# File activerecord/lib/active_record/relation/delegation.rb, line 10
    def self.delegate_to_scoped_klass(method)
      if method.to_s =~ %r\A[a-zA-Z_]\w*[!?]?\z/
        module_eval "          def #{method}(*args, &block)
            scoping { @klass.#{method}(*args, &block) }
          end
", __FILE__, __LINE__ + 1
      else
        module_eval "          def #{method}(*args, &block)
            scoping { @klass.send(#{method.inspect}, *args, &block) }
          end
", __FILE__, __LINE__ + 1
      end
    end

# File activerecord/lib/active_record/relation/delegation.rb, line 26
def respond_to?(method, include_private = false)
  super || Array.method_defined?(method) ||
    @klass.respond_to?(method, include_private) ||
    arel.respond_to?(method, include_private)
end

# File activerecord/lib/active_record/relation/delegation.rb, line 34
def method_missing(method, *args, &block)
  if Array.method_defined?(method)
    ::ActiveRecord::Delegation.delegate method, :to => :to_a
    to_a.send(method, *args, &block)
  elsif @klass.respond_to?(method)
    ::ActiveRecord::Delegation.delegate_to_scoped_klass(method)
    scoping { @klass.send(method, *args, &block) }
  elsif arel.respond_to?(method)
    ::ActiveRecord::Delegation.delegate method, :to => :arel
    arel.send(method, *args, &block)
  else
    super
  end
end