Google App Engine datastore 'distinct' not working in dev server or production

Question

Following code runs fine on production and dev server:

outstanding_qs = models.SitePerformanceTrackingAnswers.all().run(projection=('questionnaire',))

However, after adding the distinct parameter when calling run (as should be possible according to the documentation):

outstanding_qs = models.SitePerformanceTrackingAnswers.all().run(projection=('questionnaire',), distinct=True)

The following error is generated on both dev and production:

TypeError: Unknown configuration option ('distinct')

What am I doing wrong!?

Answer 1

Seems like it's a bug. You can pass the query options to .all() though, to do the same thing. (And checking, this seems not to be documented... I'm fairly sure it works though)