2026-03-12 20:23:15

tpt/setup/logon_trigger_ospid.sql

@@ -0,0 +1,25 @@
+-- GRANT SELECT ON v_$process TO system;
+-- GRANT SELECT ON v_$session TO system;
+
+
+-- Put OS PID into v$session.client_identifier so that it'd get recorded in ASH
+-- This works with dedicated sessions. With Oracle shared servers (MTS)
+-- the OS PID that was used during logon will be recorded (not necessarily the
+-- process ID that gets used later)
+
+-- If you don't want to overwrite the client_identifier, you could just append
+-- the ospid= string into the end of current client id.
+
+CREATE OR REPLACE TRIGGER logon_trigger_ospid
+    AFTER LOGON ON DATABASE
+DECLARE
+    ospid NUMBER;
+BEGIN
+    SELECT spid INTO ospid 
+    FROM v$process 
+    WHERE addr = (SELECT paddr FROM v$session WHERE sid = USERENV('sid'));
+
+    DBMS_SESSION.SET_IDENTIFIER('ospid='||TRIM(TO_CHAR(ospid)));
+END;
+/
+