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#
# Test that the SERIALIZABLE isolation level behaves as expected.
# A local serializable transaction is aborted by an incoming remote update
#
# wsrep_sync_wait does not work well with serializable, see mysql-wsrep#130
# hence the need to use --sleep .
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
--connection node_1
CREATE TABLE t1 (id INT PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
#
# Read (local transaction) / Write (remote transaction) conflict
#
SET AUTOCOMMIT=OFF;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
START TRANSACTION;
SELECT * FROM t1;
--connection node_2
INSERT INTO t1 VALUES (1,1);
--sleep 2
--connection node_1
--error ER_LOCK_DEADLOCK
SELECT * FROM t1;
ROLLBACK;
DELETE FROM t1;
#
# Write (local transaction) / Write (remote transaction) conflict
#
--connection node_1
INSERT INTO t1 VALUES (1,1);
START TRANSACTION;
SELECT * FROM t1;
--connection node_2
UPDATE t1 SET f2 = 2;
--sleep 2
--connection node_1
--error ER_LOCK_DEADLOCK
UPDATE t1 SET f2 = 3;
ROLLBACK;
DELETE FROM t1;
#
# Write (local transaction) / Write (remote transaction) conflict
# Local transaction writes before remote one.
# Nothing special happens here - ordinary deadlock on COMMIT
#
--connection node_1
START TRANSACTION;
--connection node_1
INSERT INTO t1 VALUES (1,1);
--connection node_2
INSERT INTO t1 VALUES (1,2);
--connection node_1
--error ER_LOCK_DEADLOCK
COMMIT;
DROP TABLE t1;
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