#24485: Support for annotate(end=F('start') + F('duration'),
output_field=DateTimeField)
-------------------------------------+-------------------------------------
     Reporter:  yoyoma               |                    Owner:  jarshwah
         Type:  New feature          |                   Status:  assigned
    Component:  Database layer       |                  Version:  1.8beta2
  (models, ORM)                      |
     Severity:  Release blocker      |               Resolution:
     Keywords:  durationfield,       |             Triage Stage:  Ready for
  aggregation, annotation            |  checkin
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by yoyoma):

 @jarshwah @akaariai - excellent, thanks for explaining that and adding a
 documentation patch for it. I had a suspicion that a missing wrapper was
 the only problem, so I found myself trying to use {{{Aggregate}}}, etc. I
 agree that a documentation patch is perfectly sufficient, since it's is
 already possible to do. This documentation also helps the reader better
 comprehend the result of operating on two {{{F}}} instances.

--
Ticket URL: <https://code.djangoproject.com/ticket/24485#comment:11>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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