Bug 209456 No null value in value list from Select value...[07]
Description: No null value in value list from Select value... Build number:2.3.0.v20071112 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. Insert dataset to Layout, add a filter on column STATE, click <Select value...>, check value list. 3. New a report parameter, dynamic, tick off isRequired,value column is STATE, want to set default value as Null Value through <Select value...> Expected result: The column contains null value so it should be able to be selected in value list. Actual result: No null value for selection. Error log:n/a
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/SelectValueFetcher.java
*/
	private static void defineChildDSetAndDSource( DataRequestSession session,
			JointDataSetDesign dataSetDesign, ModuleHandle modulehandle,
			boolean inclFilter, boolean isLeft ) throws BirtException
	{
		DataSetHandle dataSetHandle;
		if ( isLeft )
		{
			dataSetHandle = modulehandle.findDataSet( dataSetDesign.getLeftDataSetDesignName( ) );
		}
		else
		{
			dataSetHandle = modulehandle.findDataSet( dataSetDesign.getRightDataSetDesignName( ) );
		}
		defineSourceAndDataSets( session, dataSetHandle, session.getModelAdaptor( )
				.adaptDataSet( dataSetHandle ), inclFilter );
	}
	/**
	 * 
	 * @param selectValueExpression
	 * @param dataSetHandle
	 * @return
	 * @throws BirtException
	 */
	public static List getSelectValueList( String expression,
			DataSetHandle dataSetHandle ) throws BirtException
	{
		return getSelectValueList( expression, dataSetHandle, true );
	}
}