GitHub user mgaido91 opened a pull request:
https://github.com/apache/spark/pull/19169
[SPARK-21957] Add current_user function
## What changes were proposed in this pull request?
Added the {{current_user}} function.
## How was this patch tested?
Added UTs.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mgaido91/spark SPARK-21957
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19169.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 #19169
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commit 6b0b6bd9299c637be30407570d410f2134d8a48f
Author: Marco Gaido <mga...@hortonworks.com>
Date: 2017-09-08T14:52:43Z
[SPARK-21957] Add current_user function
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