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Posted to issues@spark.apache.org by "caoxuewen (JIRA)" <ji...@apache.org> on 2018/01/24 03:17:00 UTC

[jira] [Created] (SPARK-23199) improved Removes repetition from group expressions in Aggregate

caoxuewen created SPARK-23199:
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             Summary: improved Removes repetition from group expressions in Aggregate
                 Key: SPARK-23199
                 URL: https://issues.apache.org/jira/browse/SPARK-23199
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: caoxuewen


Currently, all Aggregate operations will go into RemoveRepetitionFromGroupExpressions, but there is no group expression or there is no duplicate group expression in group expression, we not need copy for logic plan.



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