/** remove the transaction info */
  public void removeTransactionInfo(CachedObject object) {

    if (object.isMemory()) {
      return;
    }

    rowActionMap.remove(object.getPos());
  }
  /** add transaction info to a row just loaded from the cache. called only for CACHED tables */
  public void setTransactionInfo(CachedObject object) {

    if (object.isMemory()) {
      return;
    }

    Row row = (Row) object;
    RowAction rowact = (RowAction) rowActionMap.get(row.position);

    row.rowAction = rowact;
  }