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https://issues.apache.org/jira/browse/SPARK-22688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-22688.
-------------------------------
Resolution: Fixed
Assignee: Kazuaki Ishizaki
Fix Version/s: 2.3.0
2.2.2
Still going to back-port to 2.1.x
> Upgrade Janino version to 3.0.8
> -------------------------------
>
> Key: SPARK-22688
> URL: https://issues.apache.org/jira/browse/SPARK-22688
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Kazuaki Ishizaki
> Assignee: Kazuaki Ishizaki
> Fix For: 2.2.2, 2.3.0
>
>
> [Janino 3.0.8|https://janino-compiler.github.io/janino/changelog.html]
> includes an important fix to reduce the number of constant pool entries by
> using {{sipush}} java bytecode.
> * SIPUSH bytecode is not used for short integer constant
> [#33|https://github.com/janino-compiler/janino/issues/33]
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