Bug 123576 Data can't be retrieved when exporting data
Description: Data can't be retrieved when exporting data Steps to reproduce: 1.Preview the attached file in Web Viewer 2.Exported the data in table Expected result: The data is exported as a CSV file Actual result: No data is retrieved
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/DataExtractionTask.java
/*
	 * map query to display name
	 */
	protected HashMap mapQueryToDispName;
	
	/*
	 * map query to value expressions
	 */
	protected HashMap mapQueryToValueExprs;
	
	/*
	 * map result set name to query
	 */
	protected HashMap mapResultSetNameToQuery;
	
	/**
	 * the logger
	 */
	protected static Logger logger = Logger.getLogger( DteDataEngine.class
			.getName( ) );
	
	public DataExtractionTask( ReportEngine engine, IReportRunnable runnable,
			ReportDocumentReader reader ) throws EngineException
	{
		super( engine, runnable );
		
		
		this.reportDocReader = reader;
		executionContext.setReportDocument( reportDocReader );
		executionContext.setFactoryMode( false );