Hi Jan,
You are right, that's why the loop doesn't goes through all the columns.
Thanks.
Jan Wieck wrote:
> The arrays NEW and OLD only contain entries for attributes in the
> respective rows that are not NULL. The list $TG_relatts contains a list
> of all column names of the triggering relation with a leading empty
> element (to make the index in that list reflect pg_attribute.attnum).
--
Josué Maldonado.