GitHub user wajda opened a pull request:
https://github.com/apache/spark/pull/21395
SPARK-24348 "element_at" error fix
## What changes were proposed in this pull request?
Fixes a ```scala.MatchError``` in the "element_at" operation
## How was this patch tested?
unit tests
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/AbsaOSS/spark SPARK-24348-element_at-error-fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21395.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 #21395
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commit ec2e4a6e60e93afbfdce918f63f43a1862f52f83
Author: Vayda, Oleksandr: IT (PRG) <oleksandr.vayda@...>
Date: 2018-05-22T14:23:10Z
SPARK-24348 "element_at" error fix
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