TheNeuralBit commented on a change in pull request #14178:
URL: https://github.com/apache/beam/pull/14178#discussion_r592623422
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File path: sdks/python/apache_beam/dataframe/frames.py
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@@ -573,6 +573,7 @@ def axes(self):
all = frame_base._agg_method('all')
any = frame_base._agg_method('any')
+ count = frame_base._agg_method('count')
Review comment:
I think it's correct, just suboptimal, it's deferring to `aggregate`
which only lifts associative aggregations. It's using Singleton partitioning
here (and for others like `mean`). I should probably go ahead and update
`aggregate` to observe `LIFTABLE_WITH_SUM_AGGREGATIONS`.
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