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
*/
	public double getDouble( int parameterId ) throws OdaException
	{
		assertNotNull( callStat );
		try
		{
			return callStat.getDouble( parameterId );
		}
		catch ( SQLException e )
		{
			throw new JDBCException( ResourceConstants.RESULTSET_CANNOT_GET_DOUBLE_VALUE,
					e );
		}
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IAdvancedQuery#getBigDecimal(java.lang.String)
	 */
	public BigDecimal getBigDecimal( String parameterName ) throws OdaException
	{
		assertNotNull( callStat );
		try
		{
			return callStat.getBigDecimal( parameterName );
		}
		catch ( SQLException e )
		{
			throw new JDBCException( ResourceConstants.RESULTSET_CANNOT_GET_BIGDECIMAL_VALUE,
					e );
		}
	}