return;
	protected void executeQuery( )	{		rset = null;		IBaseQueryDefinition query = design.getQuery( );		if ( query != null )		{			IResultSet parentRset = getParentResultSet( );			try			{				rset = context.executeQuery( parentRset, query );				if ( rset != null )				{					rsetEmpty = !rset.next( );				}			}			catch ( BirtException ex )			{				context.addException( ex );			}		}	}