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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-13242) Moderately complex `when` expression causes code generation failure
Date Thu, 10 Mar 2016 10:57:40 GMT

     [ https://issues.apache.org/jira/browse/SPARK-13242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen updated SPARK-13242:
------------------------------
    Assignee: Davies Liu

> Moderately complex `when` expression causes code generation failure
> -------------------------------------------------------------------
>
>                 Key: SPARK-13242
>                 URL: https://issues.apache.org/jira/browse/SPARK-13242
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.0
>            Reporter: Joe Halliwell
>            Assignee: Davies Liu
>             Fix For: 1.6.2, 2.0.0
>
>
> Moderately complex `when` expressions produce generated code that busts the 64KB method
limit. This causes code generation to fail.
> Here's a test case exhibiting the problem: https://github.com/joehalliwell/spark/commit/4dbdf6e15d1116b8e1eb44822fd29ead9b7d817d
> I'm interested in working on a fix. I'm thinking it may be possible to split the expressions
along the lines of SPARK-8443, but any pointers would be welcome!



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