[jira] [Updated] (SPARK-21337) SQL which has large ‘case when’ expressions may cause code generation beyond 64KB

["Kazuaki Ishizaki (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-21337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kazuaki Ishizaki updated SPARK-21337:
-------------------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: SPARK-22510

> SQL which has large ‘case when’ expressions may cause code generation beyond 64KB
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-21337
>                 URL: https://issues.apache.org/jira/browse/SPARK-21337
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.1.1
>         Environment: spark-2.1.1-hadoop-2.6.0-cdh-5.4.2
>            Reporter: fengchaoge
>             Fix For: 2.1.1
>
>         Attachments: test.JPG, test1.JPG, test2.JPG
>
>
> when there are large 'case when ' expressions in spark sql,the CodeGenerator failed to compile it. 
> Error message is followed by a huge dump of generated source code,at last failed.
> java.util.concurrent.ExecutionException: java.lang.Exception: failed to compile: org.codehaus.janino.JaninoRuntimeException: Code of method "apply_9$(Lorg/apache/spark/sql/catalyst/expressions/GeneratedClass$SpecificUnsafeProjection;Lorg/apache/spark/sql/catalyst/InternalRow;)V" of class "org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificUnsafeProjection" grows beyond 64 KB.
> It seems that SPARK-13242 has solved this problem in spark-1.6.2,however it  apparence in spark-2.1.1 again. https://issues.apache.org/jira/browse/SPARK-13242.
> is there something wrong ? 



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