pinker wrote: > I've tried to write audit trigger which fires only when data changed, so I used "WHEN (OLD.* IS > DISTINCT FROM NEW.*)" clause as described in documentation > <http://www.postgresql.org/docs/9.4/static/sql-createtrigger.html> . Should this clause be independent > from data type? because an error occurs when I'm trying to modify row with point data type: ERROR: > could not identify an equality operator for type point I guess it is dependent on data type as it requires an equality operator, and type "point" doesn't have one. You'd have to hand-roll a comparison in this case, probably using the "same as" operator "~=". Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general