@Override public PrincipalPrivilegeSet getPartitionPrivilegeSet(String catName, String dbName, String tableName,
      String partition, String userName, List<String> groupNames) throws InvalidObjectException, MetaException {
    return rawStore.getPartitionPrivilegeSet(catName, dbName, tableName, partition, userName, groupNames);
  }
getPartitionSpecsByFilterAndProjection interface is currently non-cacheable.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/CachedStore.java