[ZODB-Dev] revise transaction API
Edward Moy
emoy at apple.com
Mon Jun 14 12:09:29 EDT 2004
On Jun 14, 2004, at 4:58 AM, Jeremy Hylton wrote:
>> Having real, multiple savepoints would be a great feature and would
>> allow longer-running transactions a lot more flexibility in what sort
>> of
>> manipulation they can do on their objects. A wizard-style UI is a good
>> usecase for this feature: you'd like to be able to undo changes as the
>> user moved back, and you can't really commit()/abort() the entire
>> transaction without risking "logical corruption" in your application.
>
> I think it's useful for a lot of cases. Someone had volunteered to
> work
> on a patch that ported this feature from ZODB 4. Don't know if this
> ever happened (and probably don't have time to review it myself).
I had posted diffs for ZODB-4-like rollbacks to zodb-dev on April 26,
and then immediately got side-tracked doing other things. I wonder if
my email messages are getting through.
------------------------------------------------------------------------
--
Edward Moy
Apple Computer, Inc.
emoy at apple.com
(This message is from me as a reader of this list, and not a statement
from Apple.)
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