code: function columnParent(cf, column)
  {
      var args = { column_family: cf.name };
      if (cf.isSuper && column)
          args.super_column = cf.columnMarshaller.serialize(column);
      return new ttype.ColumnParent(args);
  }
docs: Returns a column parent
  When calculating the column parent of a standard column family,
  the parent is simply the column family name.  When dealing with
  super columns on the other hand, an optional name parameter may
  be provided.
  
  @param {Object} cf A reference to the ColumnFamily
  @param {Object} name The name of the column (optional)
  @private
  @memberOf ColumnFamily
  @returns {Object} a Thrift ColumnParent object