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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/06/05 15:12:04 UTC

[jira] [Commented] (SPARK-20986) Reset table's statistics after PruneFileSourcePartitions rule.

    [ https://issues.apache.org/jira/browse/SPARK-20986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16037079#comment-16037079 ] 

Apache Spark commented on SPARK-20986:
--------------------------------------

User 'lianhuiwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/18205

> Reset table's statistics after PruneFileSourcePartitions rule.
> --------------------------------------------------------------
>
>                 Key: SPARK-20986
>                 URL: https://issues.apache.org/jira/browse/SPARK-20986
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Lianhui Wang
>
> After PruneFileSourcePartitions rule, It needs reset table's statistics because PruneFileSourcePartitions can filter some unnecessary partitions. So the statistics need to be changed.



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