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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2021/12/01 05:31:00 UTC
[jira] [Assigned] (SPARK-37376) Introduce a new DataSource V2 interface HasPartitionKey
[ https://issues.apache.org/jira/browse/SPARK-37376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun reassigned SPARK-37376:
-------------------------------------
Assignee: Chao Sun
> 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
>
> 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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