DECLARE
kategorie_id_new integer;
drzewo_id_new text;
BEGIN
IF (TG_OP = 'DELETE') THEN
kategorie_id_new = OLD."kategorie_id";
ELSE
kategorie_id_new = NEW."kategorie_id";
END IF;
drzewo_id_new := "2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,1303,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,1351,1";
UPDATE kategorie as c SET wszystkich_produktow = (SELECT count(*) FROM produkty WHERE kategorie_id IN (drzewo_id_new)) WHERE id = kategorie_id_new;
RETURN NEW;
END;