@Override
  public void setBytes(int parameterIndex, byte[] x) throws SQLException {
    Binary binary = new Binary(x);
    this.parameters.put(parameterIndex, binary.getStringValue(TSFileConfig.STRING_CHARSET));
  }
save the SQL parameters as (paramLoc,paramValue) pairs.
iotdb-client/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBPreparedStatement.java