Bug 123545 DateTimeSpan not working properly in Edit Data Set
i cannot use the following script in Edit Data Set, DateTimeSpan.addDate(row["SHIPPEDDATE"], 0, 0, 10) seps to reproduce: - open the attached report design - go to Data Explorer - open Edit Data Set - Preview Results expected behavior: - the above script is executed. actual behavior: - errors were thrown.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/DataEngineImpl.java
* on a data set that uses such data source connection.
	 * The data source identified by name, should be one referenced 
	 * in one or more of the previously prepared ReportQuery.  
	 * Otherwise, it would simply return with no-op.
	 * <br>
	 * In BIRT Release 1, this method will likely be called by FPE 
	 * at the end of a report generation.
	 * @param	dataSourceName	The name of a data source connection.
	 */
	public void closeDataSource( String dataSourceName ) throws DataException
	{
		logger.entering( "DataEngineImpl",
				"closeDataSource",
				dataSourceName );
		if ( dataSources == null )
		{
			IllegalStateException e = new IllegalStateException( "DataEngine has been shutdown" );
			logger.logp( Level.WARNING,
					DataEngineImpl.class.getName( ),
					"closeDataSource",
					"DataEngine has been shutdown",
					e );
			throw e;
		}
		logger.logp( Level.FINE,
				DataEngineImpl.class.getName( ),
				"closeDataSource",
				"Close DataSource :" + dataSourceName );
		DataSourceRuntime ds = getDataSourceRuntime( dataSourceName );
		if ( ds != null )