@Explain(displayName = "Pool path", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
  public String getPoolPathForExplain() {
    return poolPath == null ? "<unmanaged queries>" : poolPath;
  }
DDL task description for ALTER POOL ... DROP TRIGGER commands.
ql/src/java/org/apache/hadoop/hive/ql/ddl/workloadmanagement/trigger/pool/drop/AlterPoolDropTriggerDesc.java