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
* (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.interfaces.IDataServiceProvider#setStyle(java.lang.String)
	 */
	public void setStyle( String styleName )
	{
		try
		{
			if ( styleName == null )
			{
				itemHandle.setStyle( null );
			}
			else
			{
				itemHandle.setStyle( getStyle( styleName ) );
			}
		}
		catch ( SemanticException e )
		{
			ChartWizard.showException( e.getLocalizedMessage( ) );
		}
	}
	private SharedStyleHandle getStyle( String styleName )
	{
		return getReportDesignHandle( ).findStyle( styleName );
	}
	public final Object[] getDataForColumns( String[] sExpressions,
			int iMaxRecords, boolean byRow ) throws ChartException
	{
		List rowData = getPreviewRowData( sExpressions, iMaxRecords, false );