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
UnsupportedOperationException e = new UnsupportedOperationException( "setSortSpec is not supported." );
		logger.logp( java.util.logging.Level.FINE,
				CallStatement.class.getName( ),
				"getSortSpec",
				"getSortSpec is not supported.",
				e );
		throw e;
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IQuery#clearInParameters()
	 */
	public void clearInParameters( ) throws OdaException
	{
		try
		{
			assertNotNull( callStat );
			callStat.clearParameters( );
		}
		catch ( SQLException ex )
		{
			throw new JDBCException( ResourceConstants.PREPARESTATEMENT_CLEAR_PARAMETER_ERROR,
					ex );
		}
	}
	/**
	 * get procedureName
	 * 
	 * @param text
	 * @return