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Posted to issues@spark.apache.org by "Zhenhua Wang (JIRA)" <ji...@apache.org> on 2016/09/16 17:02:22 UTC

[jira] [Updated] (SPARK-17077) Cardinality estimation of group-by, project, union, etc.

     [ https://issues.apache.org/jira/browse/SPARK-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhenhua Wang updated SPARK-17077:
---------------------------------
    Summary: Cardinality estimation of group-by, project, union, etc.  (was: cardinality estimates of group-by, project, union, etc.)

> Cardinality estimation of group-by, project, union, etc.
> --------------------------------------------------------
>
>                 Key: SPARK-17077
>                 URL: https://issues.apache.org/jira/browse/SPARK-17077
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ron Hu
>




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