lock table

Hi all,

I would to report that LOCK TABLE doesn't work outside
transactions but PostgreSQL accepts this statement outside
transactions whithout saying nothing...

prova=> begin work;
BEGIN
prova=> select * from films where code = 'BL102';
code |title            |did| date_prod|kind      |len
-----+-----------------+---+----------+----------+-----
BL102|The African Queen|101|1951-08-11|Drama     |01:43
(1 row)

prova=> commit work;
END
prova=> lock table films;
DELETE 0

Jose'