Takuya Ueshin created SPARK-2052:
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Summary: Add optimization for CaseConversionExpression's.
Key: SPARK-2052
URL: https://issues.apache.org/jira/browse/SPARK-2052
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Takuya Ueshin
Add optimization for {{CaseConversionExpression}}'s.
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