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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/04/16 00:43:00 UTC

[jira] [Assigned] (SPARK-38918) Nested column pruning should filter out attributes that do not belong to the current relation

     [ https://issues.apache.org/jira/browse/SPARK-38918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-38918:
------------------------------------

    Assignee: Apache Spark

> Nested column pruning should filter out attributes that do not belong to the current relation
> ---------------------------------------------------------------------------------------------
>
>                 Key: SPARK-38918
>                 URL: https://issues.apache.org/jira/browse/SPARK-38918
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Allison Wang
>            Assignee: Apache Spark
>            Priority: Major
>
> `SchemaPruning` currently does not check if the root field of a nested column belongs to the current relation. This can happen when the filter contains correlated subqueries, where the children field can contain attributes from both the inner and the outer query.



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