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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/05/14 13:05:00 UTC

[jira] [Commented] (SPARK-38506) Push partial aggregation through join

    [ https://issues.apache.org/jira/browse/SPARK-38506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17537037#comment-17537037 ] 

Apache Spark commented on SPARK-38506:
--------------------------------------

User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/36552

> Push partial aggregation through join
> -------------------------------------
>
>                 Key: SPARK-38506
>                 URL: https://issues.apache.org/jira/browse/SPARK-38506
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> Please see https://docs.teradata.com/r/Teradata-VantageTM-SQL-Request-and-Transaction-Processing/March-2019/Join-Planning-and-Optimization/Partial-GROUP-BY-Block-Optimization for more details.



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