Bug 122306 TOC on group won't be displayed
Description: TOC on group won't be displayed Steps to reproduce: 1.Add a sample datasource and a data with table "CUSTOMERS" 2.Add a table binding with data set 3.Add a group on the table and set the toc expression to "Group" 4.Preview in HTML Expected result: TOC "Group" will be displayed on the TOC pane Actual result: Nothing in the TOC pane
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
public void buildQuery( Report report, ExecutionContext context )
		{
			this.report = report;
			this.context = context;
			queries = report.getQueries( );
			
			
			queries.clear( );
			queryIDs = report.getQueryIDs( );
			queryIDs.clear( );
			
			for ( int i = 0; i < report.getContentCount( ); i++ )
				report.getContent( i ).accept( this, null );
		}
		/**
		 * Handles query creation and initialization with report-item related
		 * expressions
		 * 
		 * @param item
		 *            report item
		 */
		private BaseQueryDefinition prepareVisit( ReportItemDesign item )
		{
			BaseQueryDefinition tempQuery = null;
			if ( item instanceof ListingDesign )
				tempQuery = createQuery( (ListingDesign) item );
			else
				tempQuery = createQuery( item );
			if ( tempQuery != null )
			{