anchor.diff:           get_cache_size/0,
            get_data_dirs/0,
            get_txn_timeout/0,
  -         stat/2,
  -         stat_print/2,
  -         lock_stat/1,
  -         lock_stat_print/1,
  -         log_stat/1,
  -         log_stat_print/1,
  -         memp_stat/1,
  -         memp_stat_print/1,
  -         mutex_stat/1,
  -         mutex_stat_print/1,
  -         txn_stat/1,
  -         txn_stat_print/1,
  -         env_stat_print/1, 
  +         stat/1, stat/2,
  +         stat_print/1, stat_print/2,
  +         lock_stat/0, lock_stat/1,
  +         lock_stat_print/0, lock_stat_print/1,
  +         log_stat/0, log_stat/1,
  +         log_stat_print/0, log_stat_print/1,
  +         memp_stat/0, memp_stat/1,
  +         memp_stat_print/0, memp_stat_print/1,
  +         mutex_stat/0, mutex_stat/1,
  +         mutex_stat_print/0, mutex_stat_print/1,
  +         txn_stat/0, txn_stat/1,
  +         txn_stat_print/0, txn_stat_print/1,
  +         env_stat_print/0, env_stat_print/1, 
            transaction/1, transaction/2, transaction/3,
            put/3, put/4,
            put_r/3, put_r/4,
  
positive.code:             {error, Error}
      end.
  
  
  %%--------------------------------------------------------------------
  %% @doc
  
negative.code: 
  %%--------------------------------------------------------------------
  %% @doc
  %% Print database stats with empty flags
  %%
  %% @spec stat_print(Db) -> ok | {error, Error}
  %% where
  %%    Db = integer()
  %%
  %% @end
  %%--------------------------------------------------------------------
  -spec stat_print(Db :: db()) ->
      ok | db_error().
  stat_print(Db) ->
      stat_print(Db, []).
  
  %%--------------------------------------------------------------------
  %% @doc
  %% Retrieve lock stats
  %%
  %% This function retrieves lock statistics from the database.
  