@Override public List<HiveObjectPrivilege> listPrincipalDBGrants(String principalName, PrincipalType principalType,
      String catName, String dbName) {
    return rawStore.listPrincipalDBGrants(principalName, principalType, catName, dbName);
  }
getPartitionSpecsByFilterAndProjection interface is currently non-cacheable.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/CachedStore.java