Re: RE: plpgsql error: cache lookup from pg_proc failed

Michael Davis wrote:
> 
> Setting NEW in an AFTER update or insert trigger is not wise.  Try using a before update trigger instead.
> 

I still get the error message.

> -----Original Message-----
> From:   Joseph Shraibman [SMTP:jks@selectacast.net]
> Sent:   Tuesday, February 06, 2001 6:35 PM
> To:     pgsql-sql@postgresql.org
> Subject:        plpgsql error: cache lookup from pg_proc failed
> 
> playpen=# create table aa(
> playpen(# a int,
> playpen(# b int,
> playpen(# t timestamp
> playpen(# );
> CREATE
> playpen=#
> playpen=#
> playpen=# CREATE FUNCTION touch () RETURNS OPAQUE AS '
> playpen'#     BEGIN
> playpen'#          new.t := current_timestamp;
> playpen'#         RETURN new;
> playpen'#     END;
> playpen'# ' LANGUAGE 'plpgsql';
> CREATE
> playpen=#
> playpen=#
> playpen=# CREATE TRIGGER lastmod_1 AFTER update or insert ON aa FOR EACH
> ROW EXECUTE PROCEDURE touch();
> CREATE
> playpen=# insert into aa (a, b) values (1,2);
> ERROR:  plpgsql: cache lookup from pg_proc failed
> 
> What does this error message mean?
> 


-- 
Joseph Shraibman
jks@selectacast.net
Increase signal to noise ratio.  http://www.targabot.com