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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2021/03/11 05:48:00 UTC

[jira] [Resolved] (SPARK-34457) DataSource V2: Add default null ordering to SortDirection

     [ https://issues.apache.org/jira/browse/SPARK-34457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-34457.
---------------------------------
    Fix Version/s: 3.2.0
       Resolution: Fixed

Issue resolved by pull request 31580
[https://github.com/apache/spark/pull/31580]

> DataSource V2: Add default null ordering to SortDirection
> ---------------------------------------------------------
>
>                 Key: SPARK-34457
>                 URL: https://issues.apache.org/jira/browse/SPARK-34457
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Anton Okolnychyi
>            Assignee: Apache Spark
>            Priority: Major
>             Fix For: 3.2.0
>
>
> The SQL standard does not define the default null ordering for a sort direction. That's why it is up to a query engine. We need to standardize this in our public connector expressions to avoid ambiguity. That's why I propose to match the Catalyst expressions.



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