anchor.diff:      {db, Db} = lists:keyfind(db, 1, Config),
       {prepared_statement_source, PreparedStatementFile} = lists:keyfind(prepared_statement_source, 1, Config),
       Opts = [{database, Db}, {port, Port}],
  -    CTrans = 
  +    CTrans =
           case lists:keyfind(column_transforms, 1, Config) of
               {column_transforms, CT} -> CT;
               false -> undefined
  
positive.code:          exec_prepared_statement/3,
           exec_prepared_select/3]).
  
  -record(state, 
          {cn,
           statements = dict:new() :: dict(),
           ctrans :: dict() | undefined }).
  
  -record(prepared_statement, 
          {name :: string(),
           input_types  :: any(),
           output_fields :: any(),
  
negative.code:             {ok, #state{cn=Connection, statements=Prepared, ctrans=CTrans}};
          {error, {syntax, Msg}} ->
              {stop, {syntax, Msg}};
          X -> ?debugVal(X),
               {stop, X}
      end.
  
  