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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2026/07/15 17:15:00 UTC

[jira] [Assigned] (SPARK-58138) Preserve child output partitioning through BIN BY

     [ https://issues.apache.org/jira/browse/SPARK-58138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-58138:
-----------------------------------

    Assignee: Nikolina Vraneš

> Preserve child output partitioning through BIN BY
> -------------------------------------------------
>
>                 Key: SPARK-58138
>                 URL: https://issues.apache.org/jira/browse/SPARK-58138
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 5.0.0
>            Reporter: Nikolina Vraneš
>            Assignee: Nikolina Vraneš
>            Priority: Major
>              Labels: pull-request-available
>
> Make BinByExec report its output partitioning, so a child partitioning on a pass-through column is preserved (and one on a scaled DISTRIBUTE column is dropped). This avoids an unnecessary shuffle when a downstream operator is clustered on such a column.
> Sub-task of SPARK-57133.



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