@Override
      protected List<String> getJdoResult(GetHelper<List<String>> ctx)
          throws MetaException, NoSuchObjectException, InvalidObjectException {
        return getPartitionNamesViaOrm(catName, dbName, tblName, tree, null,
            args.getMax(), true, partitionKeys);
      }
Drop an MPartition and cascade deletes (e.g., delete partition privilege grants,
  drop the storage descriptor cleanly, etc.)
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java