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https://issues.apache.org/jira/browse/SPARK-24690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16527263#comment-16527263
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Apache Spark commented on SPARK-24690:
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User 'maropu' has created a pull request for this issue:
https://github.com/apache/spark/pull/21668
> Add a new config to control plan stats computation in LogicalRelation
> ---------------------------------------------------------------------
>
> Key: SPARK-24690
> URL: https://issues.apache.org/jira/browse/SPARK-24690
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Takeshi Yamamuro
> Priority: Major
>
> We cannot currently enable StarSchemaDetection.reorderStarJoins because we
> need to turn off CBO to enable it but StarSchemaDetection internally
> references LogicalPlan.stats.rowCount.
> This rowCount is used in LogicalRelation if CBO disabled.
> This ticket is to propose a new separate config so that LogicalRelation can
> use rowCount to compute data statistics.
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