docs: public long getLong(String name, FastpathArg[] args) throws SQLException {
      byte[] returnValue = fastpath(name, args);
      if (returnValue == null) {
        throw new PSQLException(
            GT.tr("Fastpath call {0} - No result was returned and we expected a long.", name),
            PSQLState.NO_DATA);
      }
      if (returnValue.length == 8) {
        return ByteConverter.int8(returnValue, 0);
  
      } else {
        throw new PSQLException(
            GT.tr("Fastpath call {0} - No result was returned or wrong size while expecting a long.",
                name),
            PSQLState.NO_DATA);
      }
    }