anchor.diff:          {ok, [], []} = squery(C, "COMMIT"),
           R
       catch
  -        _E:Why ->
  -            %?LOG("Exception in transaction: \"~p,~p\"", [E,Why]),
  +        E:Why ->
  +	    ?LOG("Exception in transaction: \"~p,~p\"", [E,Why]),
               squery(C, "ROLLBACK"),
               {rollback, Why}
       end.
  
positive.code:             ok = pgsql_connection:equery(C, S, Typed_Parameters),
              receive_result(C);
          Error ->
              %?LOG("SQL error ~p : ~p", [Error, Sql]),
              Error
      end.
  
  
negative.code: -export([with_transaction/2]).
  
  -include("pgsql.hrl").
  -include_lib("zutils/include/zutils.hrl").
  
  -define(TIMEOUT, 50000).
  
  