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connection node_2;
connection node_1;
INSERT INTO t1 (f1) VALUES (DEFAULT);
connection node_2;
SELECT f1 = 'ABC', f1017 = 'ABC' FROM t1;
f1 = 'ABC' f1017 = 'ABC'
1 1
UPDATE t1 SET f1 = 'XYZ', f1017 = 'XYZ' ;
connection node_1;
SELECT f1 = 'XYZ', f1017 = 'XYZ' FROM t1 WHERE f1 = 'XYZ' AND f1017 = 'XYZ';
f1 = 'XYZ' f1017 = 'XYZ'
1 1
connection node_1;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t1 SET f2 = 'KLM' WHERE f1 = 'XYZ' AND f1017 = 'XYZ';
connection node_2;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t1 SET f2 = 'CDE' WHERE f1 = 'XYZ' AND f1017 = 'XYZ';
COMMIT;
connection node_1;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
ROLLBACK;
connection node_2;
ROLLBACK;
connection node_1;
START TRANSACTION;
INSERT INTO t1 (f1, f1017) VALUES ('BCE','BCE');
INSERT INTO t1 (f1, f1017) VALUES ('CED','CED');
INSERT INTO t1 (f1, f1017) VALUES ('EDF','EDF');
INSERT INTO t1 (f1, f1017) VALUES ('FED','FED');
ROLLBACK;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
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connection node_2;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
DROP TABLE t1;
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