GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/10522
[SPARK-12541] [SQL] support cube/rollup as function
This PR enable cube/rollup as function, so they can be used as this:
```
select a, b, sum(c) from t group by rollup(a, b)
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark rollup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10522.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 #10522
----
commit bf6603f19d4e926b9bdf962b08509b8e9785342d
Author: Davies Liu <[email protected]>
Date: 2015-12-30T07:07:33Z
support cube/rollup as function
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