code: 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.DOUBLE);
              else
                  statement.setDouble(iParamColumn, Double.NaN);
          }
          else
              statement.setDouble(iParamColumn, this.getValue());
      }
docs: Move the physical binary data to this SQL parameter row.
  @param statement The SQL prepare statement.
  @param iType the type of SQL statement.
  @param iParamColumn The column in the prepared statement to set the data.
  @exception SQLException From SQL calls.