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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/04/26 20:04:00 UTC

[jira] [Assigned] (SPARK-35232) Nested column pruning should retain column metadata

     [ https://issues.apache.org/jira/browse/SPARK-35232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-35232:
------------------------------------

    Assignee: Apache Spark

> Nested column pruning should retain column metadata
> ---------------------------------------------------
>
>                 Key: SPARK-35232
>                 URL: https://issues.apache.org/jira/browse/SPARK-35232
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Chao Sun
>            Assignee: Apache Spark
>            Priority: Major
>
> It seems we should retain column metadata when pruning nested columns. Otherwise the info will be lost and will affect things such as re-constructing CHAR/VARCHAR type (SPARK-33901).



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