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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2016/07/06 22:46:11 UTC

[jira] [Created] (HIVE-14176) CBO nesting windowing function within each other when merging Project operators

Jesus Camacho Rodriguez created HIVE-14176:
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             Summary: CBO nesting windowing function within each other when merging Project operators
                 Key: HIVE-14176
                 URL: https://issues.apache.org/jira/browse/HIVE-14176
             Project: Hive
          Issue Type: Bug
    Affects Versions: 2.1.0, 2.2.0
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


The translation into a physical plan does not support this way of expressing windowing functions. Instead, we will not merge the Project operators when we find this pattern.



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