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+
+-----------------------------------------------------------------------
+- Locking issues case 6:
+- Changing primary key
+- using READ COMMITTED transaction isolation level
+-----------------------------------------------------------------------
+DROP TABLE IF EXISTS t0;
+CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT);
+Inserting 200,000 rows
+UPDATE t0 SET value=100 WHERE id=190000;
+connect con1,localhost,root,,;
+connect con2,localhost,root,,;
+connection con1;
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+BEGIN;
+SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
+connection con2;
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+BEGIN;
+UPDATE t0 SET id=200001 WHERE id=190000;
+COMMIT;
+connection con1;
+id value
+ERROR: 0
+COMMIT;
+connection default;
+disconnect con1;
+disconnect con2;
+DROP TABLE t0;