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https://issues.apache.org/jira/browse/SPARK-53715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-53715:
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Labels: pull-request-available (was: )
> getWritePrivileges should follows scala style
> ---------------------------------------------
>
> Key: SPARK-53715
> URL: https://issues.apache.org/jira/browse/SPARK-53715
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Jiaan Geng
> Assignee: Jiaan Geng
> Priority: Minor
> Labels: pull-request-available
>
> The object MergeIntoTable has a function getWritePrivileges. There exists
> some optimization points.
> Eliminating variability: using toSet instead of mutable HashSet
> Reduce intermediate variables: use chain calls
> Improving readability: The collect method expresses the intention of
> "transforming and filtering" more clearly
> Performance optimization: Avoid unnecessary creation of intermediate sets
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