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https://issues.apache.org/jira/browse/SPARK-30312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128590#comment-17128590
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Dongjoon Hyun commented on SPARK-30312:
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It's because this is a security fix. Without this patch, ACL is removed, isn't
it?
> Preserve path permission when truncate table
> --------------------------------------------
>
> Key: SPARK-30312
> URL: https://issues.apache.org/jira/browse/SPARK-30312
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.2, 2.1.3, 2.2.3, 2.3.4, 2.4.4, 3.0.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
> Labels: release-notes
> Fix For: 2.4.5, 3.0.0
>
>
> When Spark SQL truncates table, it deletes the paths of table/partitions,
> then re-create new ones. If custom permission/acls are set on the paths, the
> metadata will be deleted.
> We should preserve original permission/acls if possible.
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