[jira] [Resolved] (SPARK-36319) Have Observation return Map instead of Row

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-36319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-36319.
----------------------------------
    Fix Version/s: 3.3.0
       Resolution: Fixed

Issue resolved by pull request 33545
[https://github.com/apache/spark/pull/33545]

> Have Observation return Map instead of Row
> ------------------------------------------
>
>                 Key: SPARK-36319
>                 URL: https://issues.apache.org/jira/browse/SPARK-36319
>             Project: Spark
>          Issue Type: Improvement
>          Components: Java API, PySpark, SQL
>    Affects Versions: 3.3.0
>            Reporter: Enrico Minack
>            Assignee: Enrico Minack
>            Priority: Major
>             Fix For: 3.3.0
>
>
> As [~gurwls223] pointed out, the {{Observation}} API (Scala, Java, PySpark) could return a {{Map}} / {{Dict}}. It currently returns {{Row}} simply because the metrics are (internal to {{Observation}}) retrieved from the listener as rows. Since that is hidden from the user by the {{Observation}} API, there is no need to return {{Row}}.
> If there is some value in the original {{Row}}, both could be provided via {{getAsRow}} and {{getAsMap}}.
> The {{Observation}} API has been added to Spark in unreleased 3.3.0, so it should not be a blocker to remove the {{Row}} return type in 3.3.0 again.



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