org.eclipse.scout.rt.server.services.common.jdbc.style.AbstractSqlStyle.writeBind()

  @Override
	public void writeBind(PreparedStatement ps, int jdbcBindIndex, SqlBind bind)
			throws SQLException {
	  switch (bind.getSqlType()) {
	  case Types.DOUBLE:
		  // explicit handling for DOUBLE types. The default DOUBLE handling from AbstractSQLService
		  // does not explicitly specify a scale. 
		  if (bind.getValue() instanceof Double) {
			  Double value = ((Double)bind.getValue());
			  // figure out the scale by counting the number of digits after the decimal point
			  String strVal = value.toString();
			  int decimalIndex = strVal.indexOf('.');
			  int scale = (decimalIndex > 0)?(strVal.length() - decimalIndex - 1):0;
			  // I never need more than 3 decimal places.
			  if (scale > 3) {
				  scale = 3;
			  }
			  ps.setObject(jdbcBindIndex, value, bind.getSqlType(), scale);
		  }
		  break;
		  default:
			  super.writeBind(ps, jdbcBindIndex, bind);
	  }
	}

.\\plugins\\<packagename>_<version>.<timestamp>\\reports\\

@Override
  public byte[] createCompanyReport(Long companyID) throws ProcessingException {
    JasperPrint jasperPrint;
    // create a map to pass parameters to the report
    HashMap<String, Object> parameter = new HashMap<String, Object>();
    parameter.put("COMPANY_NR", companyID);
    try {
      // load the report from the reports plugin
      URL url = new URL("platform:/plugin/org.eclipse.scout.minicrm.reports/reports/company.jrxml");
      InputStream inputStream = url.openConnection().getInputStream();
      // compile the report
      JasperReport report = JasperCompileManager.compileReport(inputStream);

      // load the subreport from the reports plugin
      URL urlSubreport = new URL("platform:/plugin/org.eclipse.scout.minicrm.reports/reports/subreport.jrxml");
      InputStream inputStreamSubreport = urlSubreport.openConnection().getInputStream();
      // compile the subreport
      JasperReport subreport = JasperCompileManager.compileReport(inputStreamSubreport);
      parameter.put("mySubreport", subreport);

      // let Jasper Reports use our already defined SQL Connection
      jasperPrint = JasperFillManager.fillReport(report, parameter, SQL.getConnection());
      // don't create a file but let jasper put the contents in an byte array
      ByteArrayOutputStream ba = new ByteArrayOutputStream();
      JasperExportManager.exportReportToPdfStream(jasperPrint, ba);
      // return the contents to the caller
      return ba.toByteArray();
    }
    catch (JRException e) {
      throw new ProcessingException("An error occured during the creation of the report.", e);
    }
    catch (MalformedURLException e) {
      throw new ProcessingException("Can't load the report file.", e);
    }
    catch (IOException e) {
      throw new ProcessingException("An IO-error occured while reading the report file.", e);
    }
  }

<parameter name="mySubreport" class="net.sf.jasperreports.engine.JasperReport"/>

<subreportExpression class="net.sf.jasperreports.engine.JasperReport"><![CDATA[$P{mySubreport}]]></subreportExpression>