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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-9020) Support mutable state in code gen expressions
Date Tue, 14 Jul 2015 06:48:04 GMT

    [ https://issues.apache.org/jira/browse/SPARK-9020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14625929#comment-14625929
] 

Apache Spark commented on SPARK-9020:
-------------------------------------

User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/7392

> Support mutable state in code gen expressions
> ---------------------------------------------
>
>                 Key: SPARK-9020
>                 URL: https://issues.apache.org/jira/browse/SPARK-9020
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Wenchen Fan
>
> Some expressions have state in them (e.g. Rand, MonotonicallyIncreasingID). We currently
don't support code-gen any expressions that have mutable states.



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