    # File lib/ramaze/cache/sequel.rb, line 158
          def cache_setup(hostname, username, appname, cachename)
            @namespace = [hostname, username, appname, cachename].compact.join(':')

            # Create the table if it's not there yet
            if !options[:connection].table_exists?(options[:table])
              options[:connection].create_table(
                options[:table]) do
                primary_key :id
                String :key  , :null => false, :unique => true
                String :value, :text => true
                Time :expires
              end
            end

            @dataset = options[:connection][options[:table].to_sym]
          end