MapReduceRatings

MapReduceRatings

MAP:

  function(doc) {
    emit(doc.itemID, doc);
  }


REDUCE:

  function(keys, values, rereduce){
      var i,
          accounts = []; 
          
      if (!rereduce){
          for (i = 0; i < values.length; i++) {
              accounts.push({ accountID: values[i].accountID, rating: values[i] });
          }
      }
      else {
          for (i = 0; i < values.length; i++) {
              accounts = accounts.concat(values[i]);
          }
      }
      
      return accounts;
  }