Bug 138828 Export data column are disordered
Steps to reproduce: 1.Add a sample data source and a data set with table "CUSTOMERS" 2.Preview in Web Viewer 3.Click "Export data", choose columns "CUSTOMERNAME","PHONE","CITY","STATE" to be exported, click "OK" Expected result: The exported columns is alphabetic order or the same order as selected columns Actual result: The exported columns is disordered. they are "STATE","CITY","CUSTOMERNAME","PHONE".
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtExtractDataActionHandler.java
try
		{
			ServletOutputStream out = context.getResponse( ).getOutputStream( );
			getReportService( ).extractResultSet( docName, resultSetName,
					colSet, filters, options, out );
		}
		catch ( ReportServiceException e )
		{
			throwAxisFault( e );
		}
		catch ( IOException e )
		{
			
			throwAxisFault( e );
		}
	}
	private void throwAxisFault( Exception e ) throws RemoteException
	{
		AxisFault fault = new AxisFault( );
		fault.setFaultCode( new QName(
				"BirtExtractDataActionHandler.execute( )" ) ); 
		fault.setFaultString( e.getLocalizedMessage( ) ); 
		throw fault;
	}
	protected IViewerReportService getReportService( )
	{
		return BirtReportServiceFactory.getReportService( );
	}
}