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/ReportEngineService.java
* @param report
	 * @return
	 */
	synchronized public IReportRunnable openReportDesign( String report )
			throws EngineException
	{
		return engine.openReportDesign( report );
	}
	/**
	 * Open report design by using the input stream
	 * 
	 * @param reportStream -
	 *            the input stream
	 * @return IReportRunnable
	 * @throws EngineException
	 */
	synchronized public IReportRunnable openReportDesign(
			InputStream reportStream ) throws EngineException
	{
		return engine.openReportDesign( reportStream );
	}
	/**
	 * createGetParameterDefinitionTask.
	 * 
	 * @param runnable
	 * @return
	 */
	public IGetParameterDefinitionTask createGetParameterDefinitionTask(
			IReportRunnable runnable )
	{