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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2021/11/18 23:38:00 UTC

[jira] [Created] (SPARK-37376) Introduce a new DataSource V2 interface HasPartitionKey

Chao Sun created SPARK-37376:
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             Summary: 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


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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