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
return false;
		}
		return true;
	}
	/**
	 * 
	 * @throws DataException
	 */
	private void doGroupRowFilter( ) throws DataException
	{
		if ( !psController.needDoOperation( PassStatusController.GROUP_ROW_FILTERING ) )
			return;
		
		filterByRow.setWorkingFilterSet( FilterByRow.GROUP_FILTER );
		PassUtil.pass( this.populator,
				new OdiResultSetWrapper( populator.getResultIterator( ) ), true, session );
		filterByRow.setWorkingFilterSet( FilterByRow.NO_FILTER );
	}
	
	/**
	 * 
	 * @param iccState
	 * @throws DataException
	 */
	private void clearTemporaryComputedColumns( ComputedColumnsState iccState )
			throws DataException
	{
		if( !psController.needDoOperation( PassStatusController.RESULT_SET_TEMP_COMPUTED_COLUMN_POPULATING ) )
			return;
		iccState.setModel( TransformationConstants.ALL_MODEL );