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On Thursday 26 February 2004 2:18 am, Philip J. Boonzaaier wrote:
> The technical reference gives an example of a trigger on a table -
> employee Just to test this, I have created the following table,
> CREATE TABLE employee
> (name VARCHAR(30),
> age int4,
> state VARCHAR(2),
> manager VARCHAR(3),
> adult VARCHAR(3));
>
> The I created a simple Function, as follows :
>
> CREATE FUNCTION trig_insert_update_check_emp() RETURNS opaque AS '
> BEGIN
> IF new.age > 20 THEN
> new.adult = ''yes'';
> ELSE
> new.adult = ''no'';
> END IF;
> END;
> ' LANGUAGE 'plpgsql';
Couple of comments:
1) Your trigger functions needs to return something. In this case, you
would "RETURN NEW".
2) I believe trigger functions need to "RETURNS TRIGGER", not "RETURNS
opaque", but I could be wrong. Give that a try.
Question:
1) What version of PostgreSQL are you running?
- --
Jonathan Gardner
jgardner@jonathangardner.net
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