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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2016/03/03 05:32:18 UTC

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

Liang-Chi Hsieh created SPARK-13636:
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             Summary: 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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