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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/11/15 14:46:00 UTC

[jira] [Commented] (SPARK-22529) Only sizeInBytes in catalog stats needs to be propagated when cbo is disabled

    [ https://issues.apache.org/jira/browse/SPARK-22529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253545#comment-16253545 ] 

Apache Spark commented on SPARK-22529:
--------------------------------------

User 'wzhfy' has created a pull request for this issue:
https://github.com/apache/spark/pull/19757

> Only sizeInBytes in catalog stats needs to be propagated when cbo is disabled
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-22529
>                 URL: https://issues.apache.org/jira/browse/SPARK-22529
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Zhenhua Wang
>
> When CBO is disabled, we apply the size-only estimation strategy, so there's no need to propagate other statistics from catalog to the plan.



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