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
protected void handleCell( CellDesign cell, Object value )
		{
			
			for ( int i = 0; i < cell.getContentCount( ); i++ )
				cell.getContent( i ).accept( this, value );
		}
		/**
		 * A helper function for adding expression collection to stack
		 */
		protected void pushExpressions( Collection newExpressions )
		{
			this.expressionStack.addLast( this.expressions );
			this.expressions = newExpressions;
		}
		/**
		 * A helper function for removing expression collection from stack
		 */
		protected void popExpressions( )
		{
			assert !expressionStack.isEmpty( );
			this.expressions = (Collection) expressionStack.removeLast( );
		}
		/**
		 * A helper function for adding a query to query stack
		 */
		protected void pushQuery( IBaseTransform query )
		{
			this.queryStack.addLast( query );
		}
		/**