GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/10677
[SPARK-12706] [SQL] grouping() and grouping_id()
Grouping() returns a column is aggregated or not, grouping_id() returns the
aggregation levels.
grouping()/grouping_id() could be used with window function, but does not
work in having/sort clause, will be fixed by another PR.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark grouping
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10677.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 #10677
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commit bcb8d9eecb1b83ae0d62fb88fc5a74c0e3fa9a88
Author: Davies Liu <dav...@databricks.com>
Date: 2016-01-09T07:55:30Z
add grouping() and grouping_id()
commit 0e8317db91e081a30beb22adfb8c3463adcc51ec
Author: Davies Liu <dav...@databricks.com>
Date: 2016-01-09T21:47:31Z
make GROUPING__ID compatible with Hive
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