[jira] [Resolved] (SPARK-13242) Moderately complex `when` expression causes code generation failure

["Davies Liu (JIRA)" <ji...@apache.org>]

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

Davies Liu resolved SPARK-13242.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.2
                   2.0.0

Issue resolved by pull request 11606
[https://github.com/apache/spark/pull/11606]

> 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
>             Fix For: 2.0.0, 1.6.2
>
>
> 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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