Kazuaki Ishizaki created SPARK-22570:
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Summary: Cast may create a lot of UTF8String.IntWrapper or
UTF8String.longWrapper instances
Key: SPARK-22570
URL: https://issues.apache.org/jira/browse/SPARK-22570
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Kazuaki Ishizaki
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