On Tue, Feb 22, 2011 at 1:03 AM, ivan_14_32 <ivan_14_32@xxxxxxx> wrote: > Hi! > I trying to create rule for update notifing: > > CREATE OR REPLACE RULE "ttt_NotifyU" AS > ON UPDATE TO "ttt" DO > NOTIFY "ttt", '88'; > this work. > > But this > CREATE OR REPLACE RULE "ttt_NotifyU" AS > ON UPDATE TO "ttt" DO > NOTIFY "ttt", NEW."id"; > don't (syntax error), > NOTIFY "ttt", CAST(NEW."id" as text) > too. > > Q: How can I send tuple id (integer primary key) via notify using Rule? > Target is erasing deprecated tuples from application's cache. Well, that second argument to NOTIFY must be a literal. If you need to notify with a dynamic value, then you need to use the pg_notify function instead--regardless of whether you use a rule or a trigger. -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxxx http://www.elevated-dev.com/ (303) 722-0567 voice -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
