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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/03/03 05:35:18 UTC

[jira] [Commented] (SPARK-13636) Direct consume UnsafeRow in wholestage codegen plans

    [ https://issues.apache.org/jira/browse/SPARK-13636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15177146#comment-15177146 ] 

Apache Spark commented on SPARK-13636:
--------------------------------------

User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/11484

> Direct consume UnsafeRow in wholestage codegen plans
> ----------------------------------------------------
>
>                 Key: SPARK-13636
>                 URL: https://issues.apache.org/jira/browse/SPARK-13636
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>
> As shown in the wholestage codegen verion of Sort operator, when Sort is top of Exchange (or other operator that produce UnsafeRow), we will create variables from UnsafeRow, than create another UnsafeRow using these variables. We should avoid the unnecessary unpack and pack variables from UnsafeRows.



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