Re: There is error at the examples in PL/pgSQL

what's version psql you working on??
I pasted your example, it works fine.
you might miss something...

Jie LIANG

St. Bernard Software

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On Mon, 5 Mar 2001, Lu Raymond wrote:

> Hello,all
>
> I use your a example of PL/pgSQL, but there are some errors when I execute
> these codes. The details are followings,
>
> First, I create a exam.sql that includes these codes as followings,
>
> CREATE TABLE emp (
> empname text,
> salary int4,
> last_date datetime,
> last_user name);
>
> CREATE FUNCTION emp_stamp () RETURNS OPAQUE AS'
> BEGIN
> -- Check that empname and salary are given
> IF NEW.empname ISNULL THEN
> RAISE EXCEPTION ''empname cannot be NULL value'';
> END IF;
> IF NEW.salary ISNULL THEN
> RAISE EXCEPTION ''% cannot have NULL salary'', NEW.empname;
> END IF;
>
> -- Who works for us when she must pay for?
> IF NEW.salary < 0 THEN
> RAISE EXCEPTION ''% cannot have a negative salary'', NEW.empname;
> END IF;
>
> -- Remember who changed the payroll when
> NEW.last_date := ''now'';
> NEW.last_user := getpgusername();
> RETURN NEW;
> END;
> ' LANGUAGE 'plpgsql';
>
> CREATE TRIGGER emp_stamp BEFORE INSERT OR UPDATE ON emp
> FOR EACH ROW EXECUTE PROCEDURE emp_stamp();
>
>
>
> Secondly, I execute exam.sql and the postgress can create the table emp,
> the function emp_stamp() and the trigger emp_stamp seccessfully.But when I
> insert one record to table emp, there are some errors on the screen.
> the insert statement is followings,
> INSERT INTO emp Values('','','20001220','raymond');
>
> the error of screen is:
> NOTICE: plpgsql: ERROR during compile of emp_stamp near line 1
> "RROR: parse error at or near "
>
> Why? and what wrong is it? Please give me reply as possible as you can.
> Thanks!
>
>
>
>
>
>
>
>
>
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