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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/03/24 16:32:00 UTC

[jira] [Assigned] (SPARK-38647) Add SupportsReportOrdering mix in interface for Scan

     [ https://issues.apache.org/jira/browse/SPARK-38647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-38647:
------------------------------------

    Assignee:     (was: Apache Spark)

> Add SupportsReportOrdering mix in interface for Scan
> ----------------------------------------------------
>
>                 Key: SPARK-38647
>                 URL: https://issues.apache.org/jira/browse/SPARK-38647
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Enrico Minack
>            Priority: Major
>
> As {{SupportsReportPartitioning}} allows implementations of {{Scan}} provide Spark with information about the exiting partitioning of data read by a {{{}DataSourceV2{}}}, a similar mix in interface {{SupportsReportOrdering}} should provide order information.
> This prevents Spark from sorting data if they already exhibit a certain order provided by the source.



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