Bug 109350 output parameter should display in data set dialog.
details output parameter should display in edit data set dialog. steps to reproduce: when call the stored procedure from Oracle database, the query result has been stored in output parameter as an object. While in query result page, there is no data returned actual result: output parameter should display in edit data set dialog.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/CallStatement.java
{
	
	protected CallableStatement callStat;
	
	protected java.sql.Connection conn;
	
	protected int maxrows;
	
	protected boolean maxRowsUpToDate = false;
	
	private final static String ERRMSG_SET_PARAMETER = "Error setting value for SQL parameter #";
	private static Logger logger = Logger.getLogger( CallStatement.class.getName( ) );
	
	protected String procedureName;
	protected String[] resultSetNames;
	/**
	 * assertNull(Object o)
	 * 
	 * @param o
	 *            the object that need to be tested null or not. if null, throw
	 *            exception
	 */
	private void assertNotNull( Object o ) throws OdaException
	{
		if ( o == null )