Reynold Xin created SPARK-8301:
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Summary: Improve UTF8String substring/startsWith/endsWith/contains
performance
Key: SPARK-8301
URL: https://issues.apache.org/jira/browse/SPARK-8301
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Reynold Xin
Priority: Critical
Many functions in UTF8String are unnecessarily expensive.
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