File: trigger.test

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--source include/have_innodb.inc
--source include/count_sessions.inc

CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (b INT) ENGINE=InnoDB;
CREATE TABLE t3 (c INT) ENGINE=InnoDB;

--delimiter $$
CREATE TRIGGER tr BEFORE INSERT ON t3 FOR EACH ROW BEGIN SAVEPOINT sv; INSERT INTO t2 VALUES (0); END $$
--delimiter ;

START TRANSACTION;
DELETE FROM t1;

connect (con1,localhost,root,,test);
START TRANSACTION;
INSERT INTO t2 VALUES (2);
UPDATE t2 SET b = b+1;

--send
INSERT INTO t1 VALUES (1);

connection default;
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = 'update' and info = 'INSERT INTO t1 VALUES (1)'
--source include/wait_condition.inc

--error ER_LOCK_DEADLOCK
INSERT INTO t3 VALUES (2);
COMMIT;

connection con1;
reap;
COMMIT;
disconnect con1;

connection default;
SELECT * FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;

DROP TABLE t1, t2, t3;
--error ER_TRG_DOES_NOT_EXIST
DROP TRIGGER tr;

--source include/wait_until_count_sessions.inc