@Override
  public final Partition filterPartition(Partition partition) throws MetaException, NoSuchObjectException {
    return partition;
  }
HiveMetaStoreAuthorizer :  Do authorization checks on MetaStore Events in MetaStorePreEventListener
ql/src/java/org/apache/hadoop/hive/ql/security/authorization/plugin/metastore/HiveMetaStoreAuthorizer.java