public void internTable(Interner<TableDesc> interner) {
    if (aliasToPartnInfo != null) {
      for (PartitionDesc part : aliasToPartnInfo.values()) {
        if (part == null) {
          continue;
        }
        part.intern(interner);
      }
    }
    if (pathToPartitionInfo != null) {
      for (PartitionDesc part : pathToPartitionInfo.values()) {
        part.intern(interner);
      }
    }
  }
Derive additional attributes to be rendered by EXPLAIN.
TODO: this method is relied upon by custom input formats to set jobconf properties.
      This is madness? - This is Hive Storage Handlers!
ql/src/java/org/apache/hadoop/hive/ql/plan/MapWork.java