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35 lines
838 B
Text
35 lines
838 B
Text
connection node_2;
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connection node_1;
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CREATE TABLE t1 (f1 BIT) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (NULL),(0),(b'1');
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connection node_2;
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SELECT f1 IS NULL, f1 = b'1' FROM t1;
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f1 IS NULL f1 = b'1'
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1 NULL
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0 0
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0 1
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DELETE FROM t1 WHERE f1 = b'1';
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UPDATE t1 SET f1 = b'1' WHERE f1 IS NULL;
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UPDATE t1 SET f1 = 1 WHERE f1 = b'0';
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connection node_1;
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SELECT f1 IS NULL, f1 = b'1' FROM t1;
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f1 IS NULL f1 = b'1'
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0 1
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0 1
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connection node_1;
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CREATE TABLE t2 (f1 BIT) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (NULL);
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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UPDATE t2 SET f1 = 0 WHERE f1 IS NULL;
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connection node_2;
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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UPDATE t2 SET f1 = 1 WHERE f1 IS NULL;
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connection node_1;
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COMMIT;
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connection node_2;
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COMMIT;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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DROP TABLE t1;
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DROP TABLE t2;
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