def perfom_query(iterator_with_mapping, &block)
      iterator = perform_mapping? ? iterator_with_mapping : iterator_without_mapping(&block)
      connection.execute(aql_string, options).each(&iterator)
    end
def perfom_query(iterator_with_mapping, &block)
      iterator = perform_mapping? ? iterator_with_mapping : iterator_without_mapping(&block)
      connection.execute(aql_string, options).each(&iterator)
    end
Executes an AQL query with bind parameters

 @see Query#perfom_query