Can I Access the Value of a Global Variable in a Trigger

Question

I'm using a Global variable in a Package which i use in the BIU Trigger to populate a column. After assigning the value for that global variable, I run an INSERT in the same package. But I find only the default value of the Global variable populated in the column. Can I use a Global Variable in a Trigger? Is there any way to put in a common value across all the tables in an application for all DMLs of a particular session?

Answer 1

Helios,
I'm already having the same setup mentioned in the thread. And I'm doing exactly whats given there. But the issue seems to be something different. I'm assigning the value to the Global Variable in the Package through Apex. Here's the Package Code:
CREATE OR REPLACE PACKAGE Schema1.SPMS_SECURITY_PKG
AS
X_app_user_id NUMBER DEFAULT -1;
FUNCTION USER_ID RETURN NUMBER;
END SPMS_SECURITY_PKG;
CREATE OR REPLACE PACKAGE BODY Schema1.spms_security_pkg
AS
FUNCTION user_id
RETURN NUMBER
IS
BEGIN
-- RAISE_APPLICATION_ERROR(-20001,'USER ID'||'*'||X_app_user_id);
RETURN NVL (x_app_user_id, -1);
-- RETURN NVL (sys_context('USERENV', 'CURRENT_USER'), -1);
EXCEPTION
WHEN OTHERS
THEN
RETURN -1;
END;
And Here is the Trigger Code:
CREATE OR REPLACE TRIGGER Schema1."USER_DETAILS_TRIGGER"
BEFORE INSERT OR UPDATE
ON PMS_SICAL.SPMS_USER_DETAILS REFERENCING NEW AS NEW OLD AS OLD
FOR EACH ROW
BEGIN
IF INSERTING
THEN
:NEW.created_by := spms_security_pkg.user_id;
:NEW.created_date := SYSDATE;
:NEW.START_DATE := SYSDATE;
ELSIF UPDATING
THEN
:NEW.updated_by := SPMS_SECURITY_PKG.X_app_user_id;--spms_security_pkg.user_id;
:NEW.updated_date := SYSDATE;
END IF;
END;
But I always get -1 in the both in the table after the DMLs.