Bug 151535 Parameters are invisable in Joint Dataset
Trying to use "Joint Dataset" combined with parameters within underlaying Data-Sets (neccessary to achive a filtering where clause for a DateTime Field) Parameter editing ( e.g. in Chart designer) do not show the entire parameter. As specified it should show and let to edit a combination of both underlaying datasets' parameters.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
source, context );
		dteSource.setEventHandler( eventHandler );
		
		adaptBaseDataSource( source, dteSource );
		
		dteSource.setOpenScript( source.getOpen( ) );
		dteSource.setCloseScript( source.getClose( ) );
		return dteSource;
	}
	/**
	 * 
	 * @param source
	 * @param dest
	 */
	void adaptBaseDataSource( DataSourceHandle source, BaseDataSourceDesign dest )
	{
		dest.setBeforeOpenScript( source.getBeforeOpen( ) );
		dest.setAfterOpenScript( source.getAfterOpen( ) );
		dest.setBeforeCloseScript( source.getBeforeClose( ) );
		dest.setAfterCloseScript( source.getAfterClose( ) );
	}
	IOdaDataSetDesign newOdaDataSet( OdaDataSetHandle modelDataSet,
			ExecutionContext context ) throws BirtException
	{
		OdaDataSetDesign dteDataSet = new OdaDataSetDesign( modelDataSet
				.getQualifiedName( ) );
		IBaseDataSetEventHandler eventHandler = new DataSetScriptExecutor(
				modelDataSet, context );
		dteDataSet.setEventHandler( eventHandler );