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CREATE TABLE t1 (i INT) ENGINE = InnoDB;
INSERT INTO t1 (i) VALUES(1);
CREATE TABLE t2 (i INT) ENGINE = InnoDB;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
SELECT * FROM t1 WHERE i = 1 LOCK IN SHARE MODE;
i
1
SET AUTOCOMMIT=OFF;
START TRANSACTION;
INSERT IGNORE INTO t2 SELECT * FROM t1 WHERE i = 1 FOR UPDATE;;
DELETE FROM t1 WHERE i = 1;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
DROP TABLE t1, t2;
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