iog...@free.fr escribió: > A simple use case would be to update a timestamp column with > CURRENT_TIMESTAMP as instance.
No, because you want to update the timestamp in all cases, whatever columns the update actually updates. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers