docs: @Override
    public final void convert(final Map<String, Object> pAddParam,
      final BigDecimal pFrom, final ColumnsValues pTo,
        final String pName) throws Exception {
      Double value;
      if (pFrom == null) {
        value = null;
      } else {
        value = pFrom.doubleValue();
      }
      pTo.put(pName, value);
    }