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--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/galera_have_debug_sync.inc
#
# we must open connection node_1a here, MW-369.inc will use it later
#
--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
#
# cascading delete operation is replicated from node2
# and this conflicts with an update for child table in node1
#
# As a result, the update should fail for certification error
#
--connection node_1
CREATE TABLE p (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE c (f1 INTEGER PRIMARY KEY, p_id INTEGER, f2 INTEGER,
CONSTRAINT fk_1 FOREIGN KEY (p_id) REFERENCES p (f1) ON DELETE CASCADE);
INSERT INTO p VALUES (1, 0);
INSERT INTO p VALUES (2, 0);
INSERT INTO c VALUES (1, 1, 0);
--let $mw_369_parent_query = UPDATE c SET f2=1 where f1=1
--let $mw_369_child_query = DELETE FROM p WHERE f1 = 1
--connection node_1a
--source MW-369.inc
# Commit fails
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
--connection node_2
SELECT * FROM p;
SELECT * FROM c;
DROP TABLE c;
DROP TABLE p;
#
# cascading update operation is replicated from node2
# and this conflicts with an update for child table in node1
#
# As a result, the update should fail for certification error
#
--connection node_1
CREATE TABLE p (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE c (f1 INTEGER PRIMARY KEY, p_id INTEGER, f2 INTEGER,
CONSTRAINT fk_1 FOREIGN KEY (p_id) REFERENCES p (f1) ON UPDATE CASCADE);
INSERT INTO p VALUES (1, 0);
INSERT INTO p VALUES (2, 0);
INSERT INTO c VALUES (1, 1, 0);
--let $mw_369_parent_query = UPDATE c SET f2=2 where f1=1
--let $mw_369_child_query = UPDATE p set f1=11 WHERE f1 = 1
--connection node_1a
--source MW-369.inc
# Commit fails
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
--connection node_2
SELECT * FROM p;
SELECT * FROM c;
DROP TABLE c;
DROP TABLE p;
#
# ON UPDATE CASCADE tests
# Here we update primary key of parent table to cause cascaded update
# on child table
#
# cascading update operation is replicated from node2
# and this conflicts with an update for child table in node1
#
# As a result, the update should fail for certification error
#
--connection node_1
CREATE TABLE p (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE c (f1 INTEGER PRIMARY KEY, p_id INTEGER, f2 INTEGER,
CONSTRAINT fk_1 FOREIGN KEY (p_id) REFERENCES p (f1) ON UPDATE CASCADE);
INSERT INTO p VALUES (1, 0);
INSERT INTO p VALUES (2, 0);
INSERT INTO c VALUES (1, 1, 0);
--let $mw_369_parent_query = UPDATE c SET p_id=2 where f1=1
--let $mw_369_child_query = UPDATE p set f1=11 WHERE f1 = 1
--connection node_1a
--source MW-369.inc
# Commit fails
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
# same as previous, but statements in different order
--connection node_2
SELECT * FROM p;
SELECT * FROM c;
--let $mw_369_parent_query = UPDATE p set f1=21 WHERE f1 = 11
--let $mw_369_child_query = UPDATE c SET p_id=2 where f1=1
--connection node_1a
--source MW-369.inc
# Commit fails
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
--connection node_2
SELECT * FROM p;
SELECT * FROM c;
DROP TABLE c;
DROP TABLE p;
#
# CASCADE DELETE tests with two parent tables
# Here we cause cascaded operation on child table through
# one parent table and have other operation on the other
# parent table
#
# cascading update operation is replicated from node2
# but this does not conflict with an update for the other parent table in node1
#
# As a result, the update on p2 should succeed
#
--connection node_1
CREATE TABLE p1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE p2 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE c (f1 INTEGER PRIMARY KEY, p1_id INTEGER, p2_id INTEGER,
f2 INTEGER,
CONSTRAINT fk_1 FOREIGN KEY (p1_id) REFERENCES p1 (f1)
ON DELETE CASCADE,
CONSTRAINT fk_2 FOREIGN KEY (p2_id) REFERENCES p2 (f1));
INSERT INTO p1 VALUES (1, 0);
INSERT INTO p2 VALUES (1, 0);
INSERT INTO c VALUES (1, 1, 1, 0);
--let $mw_369_parent_query = UPDATE p2 SET f2=2 where f1=1
--let $mw_369_child_query = DELETE FROM p1 WHERE f1 = 1
--connection node_1a
--source MW-369.inc
# Commit succeeds
--connection node_1
--reap
--connection node_2
SELECT * FROM p1;
SELECT * FROM p2;
SELECT * FROM c;
DROP TABLE c;
DROP TABLE p1;
DROP TABLE p2;
#
# CASCADE DELETE tests with two parent tables
# Here we cause cascaded operation on child table through
# one parent table and issue other delete operation through the
# other parent table. The cascade progresses to same child table row where
# we should see the conflict to happen
#
# As a result, the update on p2 should fail
#
--connection node_1
CREATE TABLE p1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE p2 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=INNODB;
CREATE TABLE c (f1 INTEGER PRIMARY KEY, p1_id INTEGER, p2_id INTEGER,
f2 INTEGER,
CONSTRAINT fk_1 FOREIGN KEY (p1_id) REFERENCES p1 (f1)
ON DELETE CASCADE,
CONSTRAINT fk_2 FOREIGN KEY (p2_id) REFERENCES p2 (f1)
ON DELETE CASCADE);
INSERT INTO p1 VALUES (1, 0);
INSERT INTO p2 VALUES (1, 0);
INSERT INTO c VALUES (1, 1, 1, 0);
--let $mw_369_parent_query = DELETE FROM p2 WHERE f1=1
--let $mw_369_child_query = DELETE FROM p1 WHERE f1=1
--connection node_1a
--source MW-369.inc
# Commit succeeds
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
--connection node_2
SELECT * FROM p1;
SELECT * FROM p2;
SELECT * FROM c;
DROP TABLE c,p1,p2;
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