Github user zsxwing commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13115#discussion_r66887332
  
    --- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala ---
    @@ -110,24 +110,29 @@ class QueryExecution(val sparkSession: SparkSession, 
val logical: LogicalPlan) {
        */
       def hiveResultString(): Seq[String] = executedPlan match {
         case ExecutedCommandExec(desc: DescribeTableCommand) =>
    -      // If it is a describe command for a Hive table, we want to have the 
output format
    -      // be similar with Hive.
    -      desc.run(sparkSession).map {
    -        case Row(name: String, dataType: String, comment) =>
    -          Seq(name, dataType,
    -            Option(comment.asInstanceOf[String]).getOrElse(""))
    -            .map(s => String.format(s"%-20s", s))
    -            .mkString("\t")
    +      SQLExecution.withNewExecutionId(sparkSession, this) {
    +        // If it is a describe command for a Hive table, we want to have 
the output format
    +        // be similar with Hive.
    +        desc.run(sparkSession).map {
    +          case Row(name: String, dataType: String, comment) =>
    +            Seq(name, dataType,
    +              Option(comment.asInstanceOf[String]).getOrElse(""))
    +              .map(s => String.format(s"%-20s", s))
    +              .mkString("\t")
    +        }
           }
         case command: ExecutedCommandExec =>
    -      command.executeCollect().map(_.getString(0))
    -
    +      SQLExecution.withNewExecutionId(sparkSession, this) {
    +        command.executeCollect().map(_.getString(0))
    --- End diff --
    
    okey. @KaiXinXiaoLei could you remove the wrapper for this line?


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