[jira] [Assigned] (SPARK-42564) Implement Dataset.version and Dataset.time

["Herman van Hövell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-42564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Herman van Hövell reassigned SPARK-42564:
-----------------------------------------

    Assignee: BingKun Pan

> Implement Dataset.version and Dataset.time
> ------------------------------------------
>
>                 Key: SPARK-42564
>                 URL: https://issues.apache.org/jira/browse/SPARK-42564
>             Project: Spark
>          Issue Type: New Feature
>          Components: Connect
>    Affects Versions: 3.4.0
>            Reporter: Herman van Hövell
>            Assignee: BingKun Pan
>            Priority: Major
>
> Implement Dataset.version and Dataset.time
> {code:java}
> /**
>  * The version of Spark on which this application is running.
>  *
>  * @since 2.0.0
>  */
> def version: String = SPARK_VERSION
> /**
>  * Executes some code block and prints to stdout the time taken to execute the block. This is
>  * available in Scala only and is used primarily for interactive testing and debugging.
>  *
>  * @since 2.1.0
>  */
> def time[T](f: => T): T = {
>   val start = System.nanoTime()
>   val ret = f
>   val end = System.nanoTime()
>   // scalastyle:off println
>   println(s"Time taken: ${NANOSECONDS.toMillis(end - start)} ms")
>   // scalastyle:on println
>   ret
> } {code}



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