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https://github.com/MariaDB/server.git
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54 lines
1.5 KiB
Text
54 lines
1.5 KiB
Text
connection node_2;
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connection node_1;
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CREATE TABLE parent(parent_id int not null AUTO_INCREMENT PRIMARY KEY,
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parent_name varchar(80)) ENGINE=InnoDB;
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CREATE TABLE child(child_id int not null AUTO_INCREMENT PRIMARY KEY,
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child_name varchar(80),
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child_parent_id int not null,
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CONSTRAINT `fk_child_parent`
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FOREIGN KEY (child_parent_id) REFERENCES parent (parent_id)
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ON DELETE CASCADE
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ON UPDATE CASCADE) ENGINE=InnoDB;
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INSERT INTO parent VALUES (1, 'first'),(2,'second'),(3,'foo'),(4,'tmp');
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INSERT INTO child VALUES (NULL,'first_child',1);
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INSERT INTO child VALUES (NULL,'second_child',1);
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INSERT INTO child VALUES (NULL,'first_child2',2);
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INSERT INTO child VALUES (NULL,'first_child3',2);
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INSERT INTO child VALUES (NULL,'first_child4',3);
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BEGIN;
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UPDATE parent SET parent_name = 'bar' WHERE parent_id = 2;
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connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
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SET SESSION innodb_lock_wait_timeout=2;
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UPDATE child SET child_parent_id = 5 where child_parent_id = 2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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connection node_1;
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COMMIT;
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SELECT * FROM parent;
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parent_id parent_name
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1 first
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2 bar
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3 foo
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4 tmp
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SELECT * FROM child;
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child_id child_name child_parent_id
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1 first_child 1
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3 second_child 1
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5 first_child2 2
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7 first_child3 2
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9 first_child4 3
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connection node_2;
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SELECT * FROM parent;
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parent_id parent_name
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1 first
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2 bar
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3 foo
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4 tmp
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SELECT * FROM child;
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child_id child_name child_parent_id
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1 first_child 1
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3 second_child 1
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5 first_child2 2
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7 first_child3 2
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9 first_child4 3
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DROP TABLE child, parent;
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disconnect node_1a;
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