@Explain(displayName = "partSpec", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
  public Map<String, String> getPartSpec() {
    return partSpec;
  }
DDL task description for SHOW PARTITIONS commands.
ql/src/java/org/apache/hadoop/hive/ql/ddl/table/partition/show/ShowPartitionsDesc.java