docs: function readPendingOperations(tableName, itemId) {
          return Platform.async(function(callback) {
              callback();
          })().then(function() {
              var query = new Query(operationTableName);
              return store.read(query.where(function (tableName, itemId) {
                  return this.tableName === tableName && this.itemId === itemId;
              }, tableName, itemId).orderBy('id'));
          });
      }