code: public void copyRecord(Record recAlt, Record recMain)
      {
          recAlt.moveFields(recMain, null, true, DBConstants.READ_MOVE, false, false, true, false);
      }
docs: Copy the fields from the (main) source to the (mirrored) destination record.
  This is done before any write or set.
  @param recAlt Destination record
  @param recMain Source record