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https://issues.apache.org/jira/browse/SPARK-27961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857823#comment-16857823
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Gengliang Wang commented on SPARK-27961:
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[~jzhuge][~rdblue] Make sense. I will remove it.

> DataSourceV2Relation should not have refresh method
> ---------------------------------------------------
>
>                 Key: SPARK-27961
>                 URL: https://issues.apache.org/jira/browse/SPARK-27961
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: John Zhuge
>            Priority: Minor
>
> The newly added `Refresh` method in [PR 
> #24401|https://github.com/apache/spark/pull/24401] prevented me from moving 
> DataSourceV2Relation into catalyst. It calls `case table: FileTable => 
> table.fileIndex.refresh()` while `FileTable` belongs to sql/core.
> More importantly, [~rdblue] pointed out DataSourceV2Relation is immutable by 
> design, it should not have refresh method.



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