docs: public void cleanBuffer(BaseBuffer buffer, Record record)
      {
          Vector<Object> vector = (Vector)buffer.getPhysicalData();
          int iCurrentIndex = 0;
          buffer.resetPosition(); // Start at the first field
          int iFieldCount = record.getFieldCount();   // Number of fields to read in
          for (int iFieldSeq = Constants.MAIN_FIELD; iFieldSeq <= iFieldCount + Constants.MAIN_FIELD - 1; iFieldSeq++)
          {
              BaseField field = record.getField(iFieldSeq);
              if (!buffer.skipField(field))
              {
                  if (field.isModified())
                      vector.set(iCurrentIndex, BaseBuffer.DATA_SKIP);    // If target modified don't move data
          //?        else if (record.getEditMode() == DBConstants.EDIT_ADD)
          //            if (field.getDefault() == vector.get(iCurrentIndex))
          //                vector.set(iCurrentIndex, BaseBuffer.DATA_SKIP); // On Add if data is the default, don't set.
                  iCurrentIndex++;
              }
          }
      }