[ZODB-Dev] propose to change undo support in ZEO

[Jim Fulton]

Sorry, I retract this proposal.  :(

Jim

On Wed, Dec 23, 2009 at 11:25 AM, Jim Fulton <jim at zope.com> wrote:
> On Wed, Dec 23, 2009 at 10:24 AM, Jim Fulton <jim at zope.com> wrote:
>> I'm working on improving the zeo architecture to make it perform better.
>>
>> Undo is causing some problems.  For storages that support undo *and*
>> work with ZEO, I'd like to add a new method, transaction_oids, that returns the
>
> Actually, undo_transaction_oids.
>
>> oids modified by a transaction.  Currently AFAIK, there are only 2
>> storages that work
>> with ZEO and support undo, FileStorage and DirectoryStorage.  I'm not 100%
>> that DirectoryStorage still works with ZEO.
>>
>> I propose to add a new interface that includes this new method and require this
>> interface to support undo with ZEO.  This will break undo support for
>> DirectoryStorage
>> in ZEO, but I doubt that anyone will care.
>>
>> Jim
>>
>> --
>> Jim Fulton
>>
>
>
>
> --
> Jim Fulton
>



-- 
Jim Fulton