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test of row locking.

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2007-04-05 16:04:31 +02:00
parent 60289fba0b
commit e996362040
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96
mysql-test/suite/row_lock/include/row_lock_trig.inc Normal file
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--disable_warnings
DROP TABLE IF EXISTS t1, t2;
DROP VIEW IF EXISTS v1;
--enable_warnings
SET autocommit=0;
# Create additional connections used through test
CONNECT (root1, localhost, root,,);
SET autocommit=0;
--echo connection default;
CONNECTION default;
eval CREATE TABLE t1 (k INT NOT NULL PRIMARY KEY, i INT, j INT, l INT) ENGINE=$engine;
INSERT INTO t1 VALUES (1,123,1,123);
INSERT INTO t1 VALUES (2,124,2,124);
INSERT INTO t1 VALUES (3,125,3,125);
INSERT INTO t1 VALUES (4,126,4,126);
eval $indext1;
eval CREATE TABLE t2 (k INT NOT NULL PRIMARY KEY, i INT, j INT, l INT) ENGINE=$engine;
INSERT INTO t2 VALUES (1,123,1,123);
INSERT INTO t2 VALUES (2,124,2,124);
INSERT INTO t2 VALUES (3,125,3,125);
INSERT INTO t2 VALUES (4,126,4,126);
eval $indext2;
DELIMITER |;
CREATE TRIGGER trig_t2 AFTER UPDATE ON t2
FOR EACH ROW BEGIN
UPDATE t1 SET l = NEW.i WHERE i = OLD.i;
END;
|
DELIMITER ;|
COMMIT;
SELECT @@global.tx_isolation;
# With the two separate selects (without join) the differs from
# that select with join.
# Both transaction are able to update the tables
eval EXPLAIN $select;
eval $select;
--echo connection root1;
CONNECTION root1;
UPDATE t2 SET t2.i=225 WHERE t2.i=125;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection default;
CONNECTION default;
UPDATE t2 SET t2.i=223 WHERE t2.i=123;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection root1;
CONNECTION root1;
UPDATE t2 SET t2.i=226 WHERE t2.i=126;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection default;
CONNECTION default;
UPDATE t2 SET t2.i=224 WHERE t2.i=124;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection root1;
CONNECTION root1;
DELETE FROM t1 WHERE t1.i=226;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection default;
CONNECTION default;
DELETE FROM t1 WHERE t1.i=224;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
COMMIT;
--echo connection root1;
CONNECTION root1;
ROLLBACK;
--echo connection default;
CONNECTION default;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
--echo connection root1;
CONNECTION root1;
SELECT * FROM t1 ORDER BY t1.k;
SELECT * FROM t2 ORDER BY t2.k;
DISCONNECT root1;
--echo connection default;
CONNECTION default;
DROP TABLE t1, t2;
#DROP VIEW v1;