Bug 202038 errors occurred when preview the attached design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/pass/ResultSetProcessUtil.java
ComputedColumnHelper computedColumnHelper, FilterByRow filterByRow,
			PassStatusController psController, List sortList, DataEngineSession session )
			throws DataException
	{
		ResultSetProcessUtil instance = new ResultSetProcessUtil( populator,
				iccState,
				computedColumnHelper,
				filterByRow,
				psController, session );
		instance.cachedSort = sortList;
		instance.populateResultSet( );
	}
	/**
	 * 
	 * @throws DataException
	 */
	private void populateResultSet( ) throws DataException
	{
		
		List aggCCList = prepareComputedColumns( TransformationConstants.RESULT_SET_MODEL );
		
		
		
				
		doRowFiltering( );
		
		
		populateTempComputedColumns( this.getAggrComputedColumns( aggCCList, false ) );