[ZODB-Dev] Undo in run-time

[Magnus Lycka]

At 11:54 2002-10-28 +0100, Magnus Lycka wrote:
>We're planning to add an undo feature to our ZODB GUI
>app. It's going to be based on the ZODB versioning
>mechanism.

Oops! I meant to say the ZODB undo mechanism, as in
db.undo().

>Of course, shutting down the program, backing ZODB
>and starting up the program again would be no problem
>from a consistency point of view, but that's hardly
>how people expect Ctrl-Z to work...
>
>But what happens with persistent objects that are
>referenced by our program if they have changed or
>even become non-existent due to the rewinding of the
>database?




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Magnus Lyck=E5, Thinkware AB
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