metaData = new RowMetaData(rset.getQr().getResultMetaData());
if ( rset != null && rset.getQr( ) != null ) { metaData = new RowMetaData( rset.getQr( ).getResultMetaData( ) ); }
	public RowSet(DteResultSet rset)	{		closed = false;		this.rset = rset;		try		{			metaData = new RowMetaData(rset.getQr().getResultMetaData());		}		catch(BirtException ex)		{					}			}