[ZODB-Dev] URGENT: ZODB down - Important Software Application at CERN

[Laurence Rowe]

2009/5/27 Chris Withers <chris at simplistix.co.uk>:
> Laurence Rowe wrote:
>>
>> Jim Fulton wrote:
>>>
>>> Well said. A feature I'd like to add is the ability to have persistent
>>>  objects that don't get their own database records, so that you can get  the
>>> benefit of having them track their changes without incuring the  expense of
>>> a separate database object.
>>
>> +lots
>>
>> Hanno Schlichting recently posted a nice graph showing the persistent
>> structure of a Plone Page object and it's 9 (!) sub-objects.
>> http://blog.hannosch.eu/2009/05/visualizing-persistent-structure-of.html
>
> That graph isn't quite correct ;-)
>
> workflow_history has DateTime objects in it, and I think they get their own
> pickle.
>
> I had a major win on one CMFWorkflow project by changing the workflow
> implementation to use a better data structure *and* store ints instead of
> DateTime object. CMF should change this...

Good point, though it is 'correct' for an object that has not
undergone any workflow transitions yet, as is the case here ;)

Laurence