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
if ( rset != null )
		{
			return new IBaseResultSet[]{rset};
		}
		return null;
	}
	
	protected IBaseResultSet getParentResultSet( )
	{
		if ( parentRsets == null )
		{
			if ( parent != null )
			{
				if ( parent.rset == null )
				{
					IBaseResultSet[] pRsets = parent.getQueryResults( );
					if ( pRsets == null
							|| ( pRsets.length > 0 && pRsets[0] == null ) )
					{
						IBaseResultSet prset_ = parent.getParentResultSet( );
						if ( prset_ != null )
						{
							parentRsets = new IBaseResultSet[]{prset_};
						}
					}
					else
					{
						parentRsets = new IBaseResultSet[]{pRsets[0]};
					}
				}