maropu commented on a change in pull request #25844: [SPARK-29167][SQL] Make
Metrics of Analyzer/Optimizer use Scientific counting human readable
URL: https://github.com/apache/spark/pull/25844#discussion_r325981158
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/rules/QueryExecutionMetering.scala
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@@ -85,10 +85,11 @@ case class QueryExecutionMetering() {
s"$ruleName $runtimeValue $numRunValue"
}.mkString("\n", "\n", "")
+ val format = new java.text.DecimalFormat("#,##0.#########")
s"""
|=== Metrics of Analyzer/Optimizer Rules ===
|Total number of runs: $totalNumRuns
- |Total time: ${totalTime / NANOS_PER_SECOND.toDouble} seconds
+ |Total time: ${format.format(totalTime / NANOS_PER_SECOND.toDouble)}
seconds
Review comment:
Just use `String.format`?
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