this.cachedStartingGroupLevel = 0;
	ResultIterator2( IServiceForResultSet rService,			org.eclipse.birt.data.engine.odi.IResultIterator odiResult,			Scriptable scope ) throws DataException	{		super( rService, odiResult, scope );		this.lowestGroupLevel = rService.getQueryDefn( ).getGroups( ).size( );		this.currRowIndex = -1;	}