GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/1426
[SPARK-2504][SQL] Fix nullability of Substring expression.
This is a follow-up of #1359 with nullability narrowing.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2504
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1426.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 #1426
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commit 80958acf56d18ad1556282c6a1d06d12ffab02e4
Author: Takuya UESHIN <[email protected]>
Date: 2014-07-16T02:41:40Z
Fix nullability of Substring expression.
commit 515783268188110646a3fee5c0015260f46d54b9
Author: Takuya UESHIN <[email protected]>
Date: 2014-07-16T02:41:50Z
Remove unnecessary white spaces.
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