GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/1432
[SPARK-2518][SQL] Fix foldability of Substring expression.
This is a follow-up of #1428.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2518
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1432.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 #1432
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commit 37d1ace86d909bc4204bbb9f55c56a76aae8c106
Author: Takuya UESHIN <ues...@happy-camper.st>
Date: 2014-07-16T06:22:17Z
Fix foldability of Substring expression.
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