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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Suite 100, San Diego, CA 92121
Office:(858)320-4873
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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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