require 'active_record' require 'sinatra' ActiveRecord::Base.establish_connection( {"adapter"=>"sqlite3", "database"=>"db.sqlite3"}) class Temperature < ActiveRecord::Base end get '/' do values = Temperature.all( r: "time desc" limit: 24) @data = value.map {|m| [m.time * 1000, m.t]}.inspect @start_time = value.first.time inherit :index end __END__ @@ index