anchor.diff:  -include("internal.hrl").
   
   %% -- public --
  -%% -export([stmt_close/2, stmt_execute/3, stmt_fetch/2, stmt_reset/2]).
  +%% -export([stmt_execute/3, stmt_fetch/2, stmt_reset/2]).
   %% -export([next_result/1, stmt_next_result/2]).
   
   %% -- private --
   -export([connect/1, close/1, auth/1, version/1]).
   -export([ping/1, stat/1, refresh/1, select_db/1]).
   -export([query/1]).
  --export([stmt_prepare/1]).
  +-export([stmt_prepare/1, stmt_close/1]).
   
   -export([binary_to_float/2,
            recv/3, recv_packed_binary/3, recv_unsigned/3]).
  
positive.code: %%         {error, Reason, Protocol} ->
  %%             {error, Reason, Protocol}
  %%     end.
  
  %% -----------------------------------------------------------------------------
  %% << include/mysql_com.h : CLIENT_ALL_FLAGS
  
negative.code: 
  %% next_result_pre(#protocol{}=P) ->
  %%     {ok, [reset(P)]}.
  
  %% -- internal: loop,stmt_execute --
  
  