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-----------------------------------------------------------------------
- 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);
Inserting 200,000 rows
connect con1,localhost,root,,;
connect con2,localhost,root,,;
connection con1;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
INSERT INTO t0 VALUES(200001,1), (-1,1);
connection con1;
id value
connection default;
disconnect con1;
disconnect con2;
DROP TABLE t0;
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