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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/09/08 11:27:00 UTC
[jira] [Commented] (SPARK-32822) Change the number of partitions to
zero when a range is empty with WholeStageCodegen disabled or falled back
[ https://issues.apache.org/jira/browse/SPARK-32822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192150#comment-17192150 ]
Apache Spark commented on SPARK-32822:
--------------------------------------
User 'sarutak' has created a pull request for this issue:
https://github.com/apache/spark/pull/29681
> Change the number of partitions to zero when a range is empty with WholeStageCodegen disabled or falled back
> ------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-32822
> URL: https://issues.apache.org/jira/browse/SPARK-32822
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Minor
>
> If WholeStageCodegen effects, the number of partitions of an empty range will be changed to zero. But it doesn't changed when WholeStageCodegen is disabled or falled back.
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