Bug 361443 Excel ODA
data/org.eclipse.birt.report.data.oda.excel/src/org/eclipse/birt/report/data/oda/excel/impl/ResultSet.java
* @see org.eclipse.datatools.connectivity.oda.IResultSet#getTimestamp(int)
	 */
	public Timestamp getTimestamp( int index ) throws OdaException
	{
		try{
			return new Timestamp(Long.parseLong( getString( index ) ));
		}catch (Exception e){
			return null;
		}
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#getTimestamp(java.lang.String)
	 */
	public Timestamp getTimestamp( String columnName ) throws OdaException
	{
		try{
			return new Timestamp(Long.parseLong( getString( columnName ) ));
		}catch (Exception e){
			return null;
		}
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#getBlob(int)
	 */
	public IBlob getBlob(int index) throws OdaException {
		throw new UnsupportedOperationException();
	}
	/*
	 * @see
	 * org.eclipse.datatools.connectivity.oda.IResultSet#getBlob(java.lang.String