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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2017/02/15 16:23:41 UTC

[jira] [Assigned] (SPARK-17076) Cardinality estimation of join operator

     [ https://issues.apache.org/jira/browse/SPARK-17076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-17076:
-----------------------------------

    Assignee: Zhenhua Wang

> Cardinality estimation of join operator
> ---------------------------------------
>
>                 Key: SPARK-17076
>                 URL: https://issues.apache.org/jira/browse/SPARK-17076
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ron Hu
>            Assignee: Zhenhua Wang
>
> support cardinality estimates for equi-join, Cartesian product join, and outer join, etc. 



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