Cache Lookup failed Error - while using Triggers

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От shreedhar
Тема Cache Lookup failed Error - while using Triggers
Дата
Msg-id 003101c2594d$f1b24060$1201a8c0@a4005
обсуждение исходный текст
Список pgsql-admin
Hi All,

I took the following example to create trigger

TABLE

CREATE TABLE emp (
    empname text,
    salary integer,
    last_date timestamp,
    last_user text);




Function emp_stamp() returns OPAQUE

DECLARE
current_user text;
    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;
        ELSE
            current_user := 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 := NEW.empname;
        RETURN NEW;
    END;

Trigger

CREATE TRIGGER emp_stamp BEFORE INSERT OR UPDATE ON emp
    FOR EACH ROW EXECUTE PROCEDURE emp_stamp();

If I use the following INSERT Statement

INSERT INTO  emp (empname,salary, last_date, last_user) VALUES ('sree',1000,
'2002-09-11','sreedhar');

I am getting the following Error

'ERROR : fmgr_info : function 1059155 : cahce lookup failed
PostgreSQL status : PGRES_FATAL_ERROR'

Can any body tell that what is this error. How can I solve this.


With Best Regards,
Sreedhar Bhaskararaju 1,2nd Main Road, KottuGardens, Chennai - 600 085 Ph :
4475111 Email : shreedhar@lucidindia.net


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