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https://issues.apache.org/jira/browse/SPARK-37376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun updated SPARK-37376:
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Summary: SPJ: Introduce a new DataSource V2 interface HasPartitionKey
(was: Introduce a new DataSource V2 interface HasPartitionKey )
> SPJ: Introduce a new DataSource V2 interface HasPartitionKey
> -------------------------------------------------------------
>
> Key: SPARK-37376
> URL: https://issues.apache.org/jira/browse/SPARK-37376
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
> Fix For: 3.3.0
>
>
> One of the pre-requisite for the feature is to allow V2 input partitions to
> report their partition values to Spark, which can use them to compare if both
> sides of join are co-partitioned, and also optionally group input partitions
> together.
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