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CREATE TABLE t1 (f1 BIGINT UNSIGNED PRIMARY KEY, f2 VARCHAR(5)) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(18446744073709551615, 'max')
;
SELECT f1 = 18446744073709551615 FROM t1;
f1 = 18446744073709551615
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UPDATE t1 SET f2 = CONCAT(f2, '_');
SELECT f1 = 18446744073709551615 FROM t1;
f1 = 18446744073709551615
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SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t1 SET f2 = 'foo' WHERE f1 = 18446744073709551615;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t1 SET f2 = 'bar' WHERE f1 = 18446744073709551615;
COMMIT;
SET AUTOCOMMIT=ON;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SET AUTOCOMMIT=ON;
DROP TABLE t1;
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