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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2016/10/03 17:15:20 UTC

[jira] [Resolved] (SPARK-17073) generate basic stats for column

     [ https://issues.apache.org/jira/browse/SPARK-17073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin resolved SPARK-17073.
---------------------------------
       Resolution: Fixed
         Assignee: Zhenhua Wang
    Fix Version/s: 2.1.0

> generate basic stats for column
> -------------------------------
>
>                 Key: SPARK-17073
>                 URL: https://issues.apache.org/jira/browse/SPARK-17073
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ron Hu
>            Assignee: Zhenhua Wang
>             Fix For: 2.1.0
>
>
> For a specified column, we need to generate basic stats including max, min, number of nulls, number of distinct values, max column length, average column length.



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