Bug 200755 [smoke]Fail to preview Crosstab after deploy BIRT in application servers.[0601][1102]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/pass/DataSetProcessUtil.java
boolean changeMaxRows = filterByRow == null?false:filterByRow.getFilterList( FilterByRow.QUERY_FILTER )
			.size( )
			+ filterByRow.getFilterList( FilterByRow.GROUP_FILTER ).size( ) > 0;
		if ( changeMaxRows )
			this.populator.getQuery( ).setMaxRows( 0 );
			
		List aggCCList = prepareComputedColumns(TransformationConstants.DATA_SET_MODEL );
		populateAggrCCs( this.getAggrComputedColumns( aggCCList, true ));
		
		removeAvailableComputedColumns( );
		doDataSetFilter( changeMaxRows );
		
		
		
		populateComputedColumns( this.getAggrComputedColumns( aggCCList, false ));	
		
		this.populator.getQuery( ).setMaxRows( originalMaxRows );
	}
	
	/**
	 * 
	 * @param aggrComputedColumns
	 * @throws DataException
	 */
	private void populateAggrCCs( List aggrComputedColumns )
			throws DataException
	{
		if ( aggrComputedColumns.size( ) == 0 )
			return;