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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/11/28 20:29:58 UTC

[jira] [Commented] (SPARK-18601) Simplify Create/Get complex expression pairs in optimizer

    [ https://issues.apache.org/jira/browse/SPARK-18601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15703036#comment-15703036 ] 

Apache Spark commented on SPARK-18601:
--------------------------------------

User 'eyalfa' has created a pull request for this issue:
https://github.com/apache/spark/pull/16043

> Simplify Create/Get complex expression pairs in optimizer
> ---------------------------------------------------------
>
>                 Key: SPARK-18601
>                 URL: https://issues.apache.org/jira/browse/SPARK-18601
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Herman van Hovell
>            Assignee: Eyal Farago
>
> It often happens that a complex object (struct/map/array) is created only to get elements from it in an subsequent expression. We can add an optimizer rule for this.



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