case FIELD_ROWTYPE : rowType = IOUtil.readInt(in); break; case FIELD_ROW_GROUPLEVEL : groupLevel = IOUtil.readInt(in); break;
	protected void readField( int version, int filedId, DataInputStream in )			throws IOException	{		switch ( filedId )		{			case FIELD_ROWID :				rowID = IOUtil.readInt(in);				break;			default :				super.readField( version, filedId, in );		}	}