-----------------------------------------------------------------------
- Locking issues case 4:
-   Phantom rows
-   using REPEATABLE READ transaction isolation level
-----------------------------------------------------------------------
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT) ENGINE=XENGINE;
Inserting 200,000 rows
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
INSERT INTO t0 VALUES(200001,1), (-1,1);
id	value
DROP TABLE t0;

-----------------------------------------------------------------------
- Locking issues case 4:
-   Phantom rows
-   using READ COMMITTED transaction isolation level
-----------------------------------------------------------------------
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT) ENGINE=XENGINE;
Inserting 200,000 rows
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
INSERT INTO t0 VALUES(200001,1), (-1,1);
id	value
DROP TABLE t0;

-----------------------------------------------------------------------
- Locking issues case 5:
-   Deleting primary key
-   using REPEATABLE READ transaction isolation level
-----------------------------------------------------------------------
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT) ENGINE=XENGINE;
Inserting 200,000 rows
UPDATE t0 SET value=100 WHERE id=190000;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
DELETE FROM t0 WHERE id=190000;
COMMIT;
ERROR: 1213
COMMIT;
DROP TABLE t0;

-----------------------------------------------------------------------
- Locking issues case 5:
-   Deleting primary key
-   using READ COMMITTED transaction isolation level
-----------------------------------------------------------------------
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT) ENGINE=XENGINE;
Inserting 200,000 rows
UPDATE t0 SET value=100 WHERE id=190000;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
DELETE FROM t0 WHERE id=190000;
COMMIT;
id	value
ERROR: 0
COMMIT;
DROP TABLE t0;