[ZODB-Dev] Transactional Undo

Barry A. Warsaw barry@digicool.com
Wed, 6 Jun 2001 10:35:39 -0400


>>>>> "CW" == Chris Withers <chrisw@nipltd.com> writes:

    CW> Transactional undo is cool... If I've got it right, it means
    CW> you can undo 'undo's. Is that right?

Correct.

    CW> Is it only available in bsd storage? If so, how much effort
    CW> would it be to add it to filestorage?

Jim ported the interface to FileStorage, and it's available in the
trunk version 1.59 of FileStorage.py.

    CW> I'm asking 'cos the transaction log is exposed in the CMF's
    CW> Undo form and new users might find it surprising that there's
    CW> no 'redo' button as found in all their favourite desktop apps.

I don't know whether this functionality has been exposed to CMF, but I
agree it's a nifty new feature of the storages.

-Barry