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Posted to issues@spark.apache.org by "Li Jin (JIRA)" <ji...@apache.org> on 2018/12/10 18:34:00 UTC

[jira] [Created] (SPARK-26328) Use GenerateOrdering for group key comparison in WindowExec

Li Jin created SPARK-26328:
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             Summary: Use GenerateOrdering for group key comparison in WindowExec
                 Key: SPARK-26328
                 URL: https://issues.apache.org/jira/browse/SPARK-26328
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Li Jin


Per discussion here:

[https://github.com/apache/spark/pull/22305/commits/850541873df1101485a85632b85ba474dac67d56#r239312302]

It seems better to use GenerateOrdering for group key comparison in WindowExec.



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