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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2026/02/17 13:32:00 UTC

[jira] [Resolved] (SPARK-55471) Adding optimizer support for Sequential Union

     [ https://issues.apache.org/jira/browse/SPARK-55471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-55471.
---------------------------------
    Fix Version/s: 4.2.0
       Resolution: Fixed

Issue resolved by pull request 54236
[https://github.com/apache/spark/pull/54236]

> Adding optimizer support for Sequential Union
> ---------------------------------------------
>
>                 Key: SPARK-55471
>                 URL: https://issues.apache.org/jira/browse/SPARK-55471
>             Project: Spark
>          Issue Type: Task
>          Components: Optimizer, Structured Streaming
>    Affects Versions: 4.2.0
>            Reporter: Eric Marnadi
>            Assignee: Eric Marnadi
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.2.0
>
>
> We want to allow for nested sequential unions to be flattened and for projections to be pushed down to the Sequential Union children. 



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