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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/06/30 23:08:00 UTC

[jira] [Commented] (SPARK-21273) Decouple stats propagation from logical plan

    [ https://issues.apache.org/jira/browse/SPARK-21273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16070837#comment-16070837 ] 

Apache Spark commented on SPARK-21273:
--------------------------------------

User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/18479

> Decouple stats propagation from logical plan
> --------------------------------------------
>
>                 Key: SPARK-21273
>                 URL: https://issues.apache.org/jira/browse/SPARK-21273
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>
> We currently implement statistics propagation directly in logical plan. Given we already have two different implementations, it'd make sense to actually decouple the two and add stats propagation using mixin.
> This can also be a powerful pattern in the future to add additional properties (e.g. constraints).



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