@Explain(displayName="If not exists", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED },
      displayOnlyOnTrue = true)
  public boolean getIfNotExists() {
    return ifNotExists;
  }
DDL task description for CREATE RESOURCE PLAN commands.
ql/src/java/org/apache/hadoop/hive/ql/ddl/workloadmanagement/resourceplan/create/CreateResourcePlanDesc.java