Bug 177091 Can't access stored procedure defined in Oracle Package
1.setup an oracle connection 2.try to call a stored procedure defined in package
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/CallStatement.java
* @see org.eclipse.datatools.connectivity.oda.IQuery#getMaxRows()
	 */
	public int getMaxRows( )
	{
		logger.logp( java.util.logging.Level.FINE,
				CallStatement.class.getName( ),
				"getMaxRows",
				"CallStatement.getMaxRows( )" );
		return this.maxrows;
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IQuery#getMetaData()
	 */
	public IResultSetMetaData getMetaData( ) throws OdaException
	{
		logger.logp( java.util.logging.Level.FINE,
				CallStatement.class.getName( ),
				"getMetaData",
				"CallableStatement.getMetaData( )" );
		java.sql.ResultSetMetaData resultmd = null;
		try
		{
			assertNotNull( callStat );
			resultmd = callStat.getMetaData( );
		}
		catch ( NullPointerException e )
		{
			resultmd = null;
		}
		catch ( SQLException e )