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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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Kazuaki Ishizaki updated SPARK-22688:
-------------------------------------
    Summary: Upgrade Janino version to 3.0.8  (was: Upgrade Janino version 
3.0.8)

> 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
>
> [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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