GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/1888
[SPARK-2968][SQL] Fix nullabilities of Explode.
Output nullabilities of `Explode` could be detemined by
`ArrayType.containsNull` or `MapType.valueContainsNull`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2968
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1888.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 #1888
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commit d128c95b6cbe9aade143df7a0c0af519f4f32428
Author: Takuya UESHIN <ues...@happy-camper.st>
Date: 2014-08-11T09:51:17Z
Fix nullability of Explode.
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