django-nonrel/djangoappengine — pull request #90 by jacobg (2014-07-17 02:44:40+00:00)
Title: Add query filter support for map-reduce

Example:

```python
from djangoappengine.mapreduce import pipeline

class PipelineBase(base_handler.PipelineBase):

def run(self):
yield pipeline.DjangoModelMapreduce(models.Comment, mapper, reducer,
extra_mapper_params = {
'filters': [
('user_id', '=', 123),
('some_value__isnull, '=', True),
]
}
)
```