@Override
  public List<Table> filterTables(List<Table> tableList) throws MetaException {
    List<HivePrivilegeObject> listObjs = tablesToPrivilegeObjs(tableList);
    return getFilteredTableList(getFilteredObjects(listObjs),tableList);
  }
Metastore filter hook for filtering out the list of objects that the current authorization
implementation does not allow user to see
ql/src/java/org/apache/hadoop/hive/ql/security/authorization/plugin/AuthorizationMetaStoreFilterHook.java