Bug 193296 Subquery does not return value for chart
I've tried 2.1.x and 2.2RC but I get always an error. org.eclipse.birt.report.engine.data.dte.DataGenerationEngine doExecuteQuery SEVERE: Data engine operation failed due to an unexpected exception. Error evaluating Javascript expression. Script engine error: TypeError: Cannot read property "ISO_LAND" from null Script source: source, line: 0, text: row._outer["ISO_LAND"] + Result iterator has no current row. It either has not started or has ended. I would like to build a report based on a query that returns a list of countries eg.: report_query=select country_id from ... where sales>100 for each country I'd like to have a line chart with sales vs. budget eg.: sub_query= select month,bud,sales from ... where country = ? If I drag the subquery into the "main" table, connect parameter to row[]. no problem. I get bud vs. sales values for each country. If I place a chart based on sub_query in the "main" table. I get the error shown above. In this case I have to connect the parameter to row._outer[] and for some reason I don't see any values in the chart preview?!?
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ReportDataServiceProvider.java
private StyleHandle[] getAllStyleHandles( )
	{
		List sLst = getReportDesignHandle( ).getAllStyles( );
		StyleHandle[] list = (StyleHandle[]) sLst.toArray( new StyleHandle[sLst.size( )] );
		Arrays.sort( list, new Comparator( ) {
			Collator collator = Collator.getInstance( ULocale.getDefault( ) );
			public int compare( Object o1, Object o2 )
			{
				StyleHandle s1 = (StyleHandle) o1;
				StyleHandle s2 = (StyleHandle) o2;
				return collator.compare( s1.getDisplayLabel( ),
						s2.getDisplayLabel( ) );
			}
		} );
		return list;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.interfaces.IDataServiceProvider#getAllStyles()
	 */
	public String[] getAllStyles( )
	{
		StyleHandle[] handles = getAllStyleHandles( );
		String[] names = new String[handles.length];
		for ( int i = 0; i < names.length; i++ )
		{
			names[i] = handles[i].getName( );
		}
		return names;