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# Scenario:
# T1=({R(PARENT), W(PARENT)})
# T2=({R(CHILD), W(CHILD), C}, HIGH_PRIORITY).
#
# Outcome: T1 must abort, T2 must commit.
--source include/have_innodb.inc
--source include/count_sessions.inc
CREATE TABLE t1 (c1 INT PRIMARY KEY)ENGINE=INNODB;
CREATE TABLE t2 (c2 INT PRIMARY KEY,
FOREIGN KEY (c2) REFERENCES t1(c1))ENGINE=INNODB;
INSERT INTO t1 VALUES(1);
--connect(con1, localhost, root,,test)
--connect(con2, localhost, root,,test)
--echo # On Connection 1
--connection con1
START TRANSACTION;
DELETE FROM t1 WHERE c1 = 1;
--echo # On Connection 2
--connection con2
--source include/start_transaction_high_prio.inc
INSERT INTO t2 VALUES(1);
COMMIT;
--echo # On connection 1
--connection con1
--error ER_ERROR_DURING_COMMIT
COMMIT;
connection default;
DROP TABLE t2, t1;
# UPDATE CASCADE FOREIGN KEY CONSTRAINT
CREATE TABLE t1 (c1 INT PRIMARY KEY)ENGINE=INNODB;
CREATE TABLE t2 (c2 INT PRIMARY KEY,
FOREIGN KEY (c2) REFERENCES t1(c1)
ON UPDATE CASCADE)ENGINE=INNODB;
INSERT INTO t1 VALUES(1);
--echo # On Connection 1
--connection con1
START TRANSACTION;
UPDATE t1 SET C1=2 where C1 = 1;
--echo # On Connection 2
--connection con2
--source include/start_transaction_high_prio.inc
INSERT INTO t2 VALUES (1);
COMMIT;
--disconnect con2
--echo
--echo # On connection 1
--connection con1
--error ER_ERROR_DURING_COMMIT
COMMIT;
--disconnect con1
connection default;
DROP TABLE t2, t1;
--source include/wait_until_count_sessions.inc