docs: public void getSQLFromField(PreparedStatement statement, int iType, int iParamColumn) throws SQLException
      {
          if (this.isNull())
          {
              if ((this.isNullable()) && (iType != DBConstants.SQL_SELECT_TYPE))
                  statement.setNull(iParamColumn, Types.INTEGER);
              else
                  statement.setInt(iParamColumn, NAN);
          }
          else
              statement.setInt(iParamColumn, (int)this.getValue());
      }