private void mergeRequiredRow(Table destinationTable, Row requiredRow) {
   boolean thereIsAMerge = false;
   for (Row existingRow : destinationTable.getRows()) {
     if (checker.matchAllFields(requiredRow, existingRow)) {
       LocationUtil.mergeLocationPointers(
           existingRow.getLocationPointer(), requiredRow.getLocationPointer());
       thereIsAMerge = true;
     }
   }
   if (!thereIsAMerge) {
     if (requiredRow.getUniqueKey() == null) {
       destinationTable.addRow(requiredRow);
     } else {
       mergeRequiredRowWithUniqueKey(destinationTable, requiredRow);
     }
   }
 }