GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/10331
[SPARK-12323][SQL] Checks Dataset nullability during resolution
This PR ensures nullability of a Dataset conforms to its underlying logical
plan.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark dataset-nullability-check
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10331.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 #10331
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commit 77a064918b7544a5c20f5ab564d9213c0c0119d7
Author: Cheng Lian <[email protected]>
Date: 2015-12-16T16:46:50Z
Checks Dataset nullability during resolution
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