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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] [Assigned] (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:all-tabpanel ]
Apache Spark reassigned SPARK-22529:
------------------------------------
Assignee: (was: Apache Spark)
> 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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