GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/990
[SPARK-2052] [SQL] Add optimization for CaseConversionExpression's.
Add optimization for `CaseConversionExpression`'s.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2052
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/990.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 #990
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commit 9e39abd79e3119a9721655a3652275b9b2a36b07
Author: Takuya UESHIN <ues...@happy-camper.st>
Date: 2014-06-06T04:46:05Z
Add optimization for CaseConversionExpression's.
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