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
{
		/**
		 * query and it's IDs
		 */
		protected HashMap queryIDs;
		/**
		 * a collection of all the queries
		 */
		protected Collection queries;
		/**
		 * the query stack. The top stores the query that is currently prepared.
		 * Needed because we could have nested queries
		 */