anchor.diff:  -define(MYSQL_QUERY_OP, 3).
   -define(DEFAULT_STANDALONE_TIMEOUT, 5000).
   
  +%% @type mysql_log_fun() = function().
  +%%			   Fun(Level, Fmt, Args)
  +%%			   Level = debug | normal | error
  +%%                         Fmt   = string() "format string"
  +%%                         Args  = list() of term() "format arguments"
  +
   %%====================================================================
   %% External functions
   %%====================================================================
  
positive.code: %%            {error, Reason}
  %%
  %%            N       = integer() "number of rows to get"
  %%            LogFun  = undefined | function() with arity 3
  %%            RecvPid = pid() "mysql_recv process"
  %%
  %%            Rows = [[string()]]
  
negative.code: %%            Sock   = term() "gen_tcp socket"
  %%            Packet = binary()
  %%            SeqNum = integer() "packet sequence number"
  %%            LogFun = undefined | mysql_log_fun()
  %%
  %% @doc     Send a packet to the MySQL server.
  %% @end
  