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https://issues.apache.org/jira/browse/SPARK-40946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-40946:
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Assignee: Apache Spark
> Introduce a new DataSource V2 interface SupportsPushDownClusterKeys
> -------------------------------------------------------------------
>
> Key: SPARK-40946
> URL: https://issues.apache.org/jira/browse/SPARK-40946
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Huaxin Gao
> Assignee: Apache Spark
> Priority: Major
>
> A mix-in interface for ScanBuilder. Data sources can implement this interface
> to push down all the join or aggregate keys to data sources. A return value
> true indicates that data source will return input partitions following the
> clustering keys. Otherwise, a false return value indicates the data source
> doesn't make such a guarantee, even though it may still report a partitioning
> that may or may not be compatible with the given clustering keys, and it's
> Spark's responsibility to group the input partitions whether it can be
> applied.
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