Bug 214065 [Regression]Group TOC are created automatically when preview in Web viewer and PDF
Description: [Regression]Group TOC are created automatically when preview in Web viewer and PDF Build number: 2.3.0.v200701012-1021 Steps to reproduce: 1, New a table binding with dataset 2, New a group on table and do not specify the group toc 3, Preview in Web viewer and PDF Expected result: No default TOC of group Actual result: Some empty group toc created automatically in preview Error log:
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ReportItemExecutor.java
{
					IQueryResultSet rset = (IQueryResultSet) rsets[0];
					DataSetID dataSetID = rset.getID( );
					long position = rset.getRowIndex( );
					return new DataID( dataSetID, position );
				}
				if ( rsets[0] instanceof ICubeResultSet )
				{
					ICubeResultSet rset = (ICubeResultSet) rsets[0];
					DataSetID dataSetID = rset.getID( );
					String cellId = rset.getCellIndex( );
					return new DataID( dataSetID, cellId );
				}
			}
		}
		return null;
	}
	
	protected long generateUniqueID( )
	{
		if ( parent != null )
		{
			return parent.uniqueId++;
		}
		return manager.generateUniqueID( );
	}
	
	
	protected long getElementId( )
	{