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Posted to issues@spark.apache.org by "Maria (JIRA)" <ji...@apache.org> on 2017/06/09 18:19:18 UTC
[jira] [Commented] (SPARK-17642) support DESC FORMATTED TABLE
COLUMN command to show column-level statistics
[ https://issues.apache.org/jira/browse/SPARK-17642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044798#comment-16044798 ]
Maria commented on SPARK-17642:
-------------------------------
@gatorsmile,
I'm evaluating CBO in Spark and I'm missing this feature. I'm querying Hive Metastore directly to fetch statistics, but this is cumbersome. Do you have an idea of how to improve the attached PR to integrate it with column-level access functionality? Is there an example somewhere for how to check column-level permissions?
> support DESC FORMATTED TABLE COLUMN command to show column-level statistics
> ---------------------------------------------------------------------------
>
> Key: SPARK-17642
> URL: https://issues.apache.org/jira/browse/SPARK-17642
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Zhenhua Wang
>
> Support DESC (EXTENDED | FORMATTED) ? TABLE COLUMN command.
> Support DESC FORMATTED TABLE COLUMN command to show column-level statistics.
> We should resolve this jira after column-level statistics are supported.
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