Thanks Josh, On Oct 21, 2010, at 7:49 AM, Josh Kupershmidt wrote:
> 2010/10/21 Grzegorz Jaśkiewicz <gryz...@gmail.com>: >> OLD.column_name >> NEW.column_name ? > > I believe OP is asking specifically about statement-level triggers. As Yup. > the docs > <http://www.postgresql.org/docs/current/static/trigger-definition.html> > say: > | Statement-level triggers do not currently have any way to > | examine the individual row(s) modified by the statement. > I don't know how I didn't see that in the docs when I was looking. It must have been sleepy morning eyes or lack of coffee. > What I've done is to have a row-level trigger that populates a > temporary table with "interesting" changes that need further > processing, and then a statement-level trigger which does bulk-updates > based on what's in that temporary table. This comes in quite handy > when bulk-loading data, e.g. with COPY. > I'll look at doing something like you describe, although I wonder if the overhead of doing a row trigger and then a mass update at the end with a statement trigger will really be worth it for what I'm doing. I might just end up doing only a row trigger. --brian -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
