On Mon, Mar 28, 2011 at 7:52 AM, Fabian Büchler
<fabian.buech...@gmail.com> wrote:
>
> Events have an EventOnlineManager with a "to_expire" method which should
> select all Events with status=online and EventDates associated which date <
> today.
>
>> class EventOnlineManager(models.Manager):
>>
>> def get_query_set(self):
>> return (super(EventOnlineManager, self).get_query_set()
>> .filter(status=Event.STATUS_ONLINE))
>>
>> @property
>> def to_expire(self):
>> today = datetime.date.today()
>> return (self.annotate(eventdate_max=models.Max('eventdate__date'))
>> .filter(eventdate_max__lt=today))
I guess you have reasons to allow several EventDates per Event (if
not, they should be a single table). my first attempt would be to
add an (event, date) index to EventDate. can you add an
ordering=('event','date') ?
--
Javier
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