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1d76fdfcb9
Make galera_sr.GCF-572 behave the same with and without option innodb-snapshot-isolation. It is sufficient to remove a SELECT statement from a transaction to delay the creation of the read view in innodb. Avoiding the detection of a write-write conflict under innodb-snapshot-isolation.
58 lines
1.4 KiB
Text
58 lines
1.4 KiB
Text
connection node_2;
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connection node_1;
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connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
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connection node_1;
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SET SESSION wsrep_trx_fragment_size = 1;
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
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CREATE TABLE t2 (f1 INTEGER PRIMARY KEY);
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INSERT INTO t2 VALUES (1),(2),(3);
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ALTER TABLE t2 DROP PRIMARY KEY;
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INSERT INTO t2 VALUES (1);
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SET SESSION wsrep_trx_fragment_size = 1;
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START TRANSACTION;
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INSERT INTO t1 SELECT * FROM t2;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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SELECT * FROM t1;
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f1
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connection node_2;
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SELECT * FROM t1;
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f1
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connection node_1;
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT, f2 CHAR(10)) ENGINE=InnoDB;
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connection node_1;
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SET SESSION wsrep_trx_fragment_size = 1;
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START TRANSACTION;
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INSERT INTO t1 VALUES (1, 'node1');
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connection node_1a;
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INSERT INTO t1 VALUES (5, 'node2');
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connection node_1;
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INSERT INTO t1 VALUES (5, 'node1');
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ERROR 23000: Duplicate entry '5' for key 'PRIMARY'
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SELECT * FROM t1;
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f1 f2
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1 node1
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5 node2
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SET SESSION wsrep_trx_fragment_size = 10000;
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START TRANSACTION;
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INSERT INTO t1 VALUE (10, 'node1');
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connection node_1a;
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INSERT INTO t1 VALUES(15, 'node2');
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connection node_1;
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SELECT * FROM t1;
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f1 f2
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1 node1
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5 node2
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10 node1
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15 node2
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INSERT INTO t1 VALUES(15, 'node1');
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ERROR 23000: Duplicate entry '15' for key 'PRIMARY'
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COMMIT;
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SELECT * FROM t1;
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f1 f2
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1 node1
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5 node2
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10 node1
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15 node2
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DROP TABLE t1;
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