2026-03-12 20:23:15

tpt/demos/assm_bug.sql

@@ -0,0 +1,22 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+-- Make sure that the USERS tablespace is ASSM-managed
+DROP TABLE t;
+CREATE TABLE t(a CHAR(100)) TABLESPACE users;
+
+INSERT INTO t SELECT 'x' FROM dual CONNECT BY LEVEL <= 5000000;
+
+COMMIT;
+
+ALTER SESSION SET plsql_optimize_level = 0;
+
+-- EXEC FOR i IN 1..1000 LOOP INSERT INTO t VALUES ('x'); END LOOP;
+
+PROMPT Deleting all rows from t, do not commit...
+
+DELETE t;
+
+PROMPT Run this in another session, this should be very slow:
+PROMPT   EXEC FOR i IN 1..1000 LOOP INSERT INTO t VALUES ('x'); END LOOP;;
+PROMPT