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