Bug 155007 Group Toc doesn't work well
Group Toc doesn't work well Steps to reproduce: run the attached file and preview it in html/web viewer/PDF Expected results: Group toc works well Actual results: Group toc doesn't work well
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
* 
		 * @param item
		 *            report item
		 */
		private BaseQueryDefinition prepareVisit( ReportItemDesign item )
		{
			BaseQueryDefinition tempQuery = createQuery( item );
			if ( tempQuery != null )
			{
				pushQuery( tempQuery );
			}
			transformExpressions( item );
			return tempQuery;
		}
		/**
		 * Clean up stack after visiting a report item
		 */
		private void finishVisit( BaseQueryDefinition query )
		{
			if ( query != null )
			{
				popQuery( );
			}
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.engine.ir.ReportItemVisitor#visitFreeFormItem(org.eclipse.birt.report.engine.ir.FreeFormItemDesign)
		 */
		public Object visitFreeFormItem( FreeFormItemDesign container,