Hello! create or replace function trigger_keywords_maintain() returns trigger as $$ return 'MODIFY' $$ language plpythonu; update table set id = id where id = 7 ERROR: invalid input syntax for type timestamp: "2005-05-03 14:07:33,279213" I see that Python's timestamp format is not accepted by postgresql. Mage ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend