Bug 197261 [2.2.1]The report that contain library xtab and set filter cannot be run
Description: [2.2.1]The report that contain library xtab and set filter cannot be run Step: 1.New a library and add a xtab 2.New a report and use the library 3.Drop the xtab from library explorer into layout 4.Set the filter on the xtab that is in report 5.Preview Actual result: It pop up an error said that the report cannot be run
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
* @param obj
	 *            the ODA element to write
	 * @param provider
	 *            the extension provider
	 */
	private void writeOdaDummyProperties( DesignElement obj,
			ODAProvider provider )
	{
		assert provider instanceof OdaDummyProvider;
		OdaDummyProvider dummyProvider = (OdaDummyProvider) provider;
		
		ContentTree tree = dummyProvider.getContentTree( );
		writeContentTree( tree );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitScriptDataSet(org.eclipse.birt.report.model.elements.ScriptDataSet)
	 */
	public void visitScriptDataSet( ScriptDataSet obj )
	{
		writer.startElement( DesignSchemaConstants.SCRIPT_DATA_SET_TAG );
		super.visitScriptDataSet( obj );
		writeStructureList( obj, IDataSetModel.PARAMETERS_PROP );
		property( obj, IScriptDataSetModel.OPEN_METHOD );
		property( obj, IScriptDataSetModel.DESCRIBE_METHOD );
		property( obj, IScriptDataSetModel.FETCH_METHOD );
		property( obj, IScriptDataSetModel.CLOSE_METHOD );
		writer.endElement( );
	}