GitHub user zero323 opened a pull request:
https://github.com/apache/spark/pull/17807
[SPARK-20532][SPARKR] Implement grouping and grouping_id
## What changes were proposed in this pull request?
Adds R wrappers for:
- `o.a.s.sql.functions.grouping` as `o.a.s.sql.functions.is_grouping` (to
avoid shading `base::grouping`
- `o.a.s.sql.functions.grouping_id`
## How was this patch tested?
Existing unit tests, additional unit tests. `check-cran.sh`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zero323/spark SPARK-20532
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17807.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 #17807
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commit 4f13b614c3b1957bef396c0e43219384e0ca53eb
Author: zero323 <zero...@users.noreply.github.com>
Date: 2017-04-29T04:27:57Z
Implement grouping and grouping_id
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