vikramahuja1001 commented on a change in pull request #4072:
URL: https://github.com/apache/carbondata/pull/4072#discussion_r580044175



##########
File path: 
integration/spark/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
##########
@@ -41,6 +43,26 @@ case class CarbonCleanFilesCommand(
   extends DataCommand {
 
   val LOGGER: Logger = 
LogServiceFactory.getLogService(this.getClass.getCanonicalName)
+  val isDryRun: Boolean = options.getOrElse("dryrun", "false").toBoolean
+  var showStats: Boolean = options.getOrElse("statistics", "true").toBoolean
+  if (isInternalCleanCall) {
+    showStats = false
+  }
+
+  override def output: Seq[AttributeReference] = {
+    if (isDryRun) {
+      // dry run operation
+      Seq(
+        AttributeReference("Size Freed", StringType, nullable = false)(),

Review comment:
       I am using convertBytesToReadable before printing it, in that it will 
add the necessary size value(Kb/Mb etc) in the result itself, so no need to add 
it in the Attribute Reference. Yes this is both inside and outside trash folder




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