Re: trigger trouble -- procedure not found

On Fri, 14 Sep 2001, Kevin Way wrote:

> I'm having trouble creating a trigger. First i'm creating a function,
> add_to_search in PL/pgSQL.
>
> \df verifies the existance of this function:
> smallint | add_to_search | text, text, text, integer
>
> but when I call:
>
> CREATE TRIGGER item_insert_search_add AFTER INSERT
> ON item FOR EACH ROW
> EXECUTE PROCEDURE add_to_search (name, description, reason, node_id);
>
> I get:
> ERROR: CreateTrigger: function add_to_search() does not exist
>
> What am I missing here? It seems to me that I'm missing something very
> simple, but I can't figure out what it is for the life of me.

Trigger functions return opaque and take no arguments. Arguments given
on the create trigger statement are passed in a special fashion. (I
believe for plpgsql you'd look at TG_NARGS and TG_ARGV[])