[SPARK-42564] Implement Dataset.version and Dataset.time

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.1
• Component/s: Connect
• Epic Link: Spark Connect Scala Client - Basic
• Assignee: Pan Bingkun
• Reporter: Herman van Hövell
• Created: 24/Feb/23 18:47
• Updated: 27/Feb/23 00:40
• Resolved: 27/Feb/23 00:40

Description

Implement Dataset.version and Dataset.time

/**
 * 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
} 

Issue Links

• links to: [Github] Pull Request #40176 (panbingkun)
• links to: [Github] Pull Request #40176 (panbingkun)