GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/9564
[SPARK-11564][SQL][follow-up] improve java api for GroupedDataset
created `MapGroupFunction`, `FlatMapGroupFunction`, `CoGroupFunction`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark map
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9564.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9564
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commit 1e866fac414d012e3512536d98455fe138813c5f
Author: Wenchen Fan <[email protected]>
Date: 2015-11-09T09:43:43Z
improve java api for GroupedDataset
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