merge_options_from_reflection!

# File activerecord/lib/active_record/associations/association_proxy.rb, line 192
        def merge_options_from_reflection!(options)
          options.reverse_merge!(
            :group   => @reflection.options[:group],
            :having  => @reflection.options[:having],
            :limit   => @reflection.options[:limit],
            :offset  => @reflection.options[:offset],
            :joins   => @reflection.options[:joins],
            :include => @reflection.options[:include],
            :select  => @reflection.options[:select],
            :readonly  => @reflection.options[:readonly]
          )
        end