[jira] [Resolved] (SPARK-34923) Metadata output should not always be propagated

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-34923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-34923.
---------------------------------
    Fix Version/s: 3.1.2
                   3.2.0
       Resolution: Fixed

Issue resolved by pull request 32017
[https://github.com/apache/spark/pull/32017]

> Metadata output should not always be propagated
> -----------------------------------------------
>
>                 Key: SPARK-34923
>                 URL: https://issues.apache.org/jira/browse/SPARK-34923
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Karen Feng
>            Assignee: Karen Feng
>            Priority: Major
>             Fix For: 3.2.0, 3.1.2
>
>
> Today, the vast majority of expressions uncritically propagate metadata output from their children. As a general rule, it seems reasonable that only expressions that propagate their children's output should also propagate their children's metadata output.



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