On Fri, Jul 10, 2009 at 2:02 AM, Alvaro Herrera <alvhe...@commandprompt.com>wrote:
> What do the INSERT lines look like? Is it a trigger, an insert called > directly by the application? How is the sequence involved -- lastval(), > nextval(), does the code just leave the column out for the default to fire? > > * This is the INSERT query, called from PHP/Apache INSERT INTO log_event (user_id, ip, action_id, object1_id, object2_id, event_timestamp) VALUES ($1, $2, $3, $4, $5, NOW()) So the timestamp is generated by NOW(), and the pkey is generated by using the default value (nextval). * There are no UPDATE queries. * There a few DELETE queries that are lauched daily (called from PHP/cron) DELETE FROM log_event WHERE action_id = $1 AND event_timestamp < NOW() - '1 month'::interval (some events are not worthy of archiving individually, we just keep totals) Regards, Mathieu