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connection node_2;
connection node_1;
CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
INSERT INTO t1 VALUES (1);
connection node_2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
connection node_1;
COMMIT;
SET AUTOCOMMIT=ON;
UPDATE t1 SET f1 = 2 WHERE f1 = 1;
connection node_2;
SELECT COUNT(*) = 1 FROM t1 WHERE f1 = 2;
COUNT(*) = 1
1
DROP TABLE t1;
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