#
# Test of wrong call to unlock_row
# MDEV-5629 Failing assertion: state == TRX_STATE_NOT_STARTED on
# concurrent CREATE OR REPLACE and transactional UPDATE
#

--source include/have_innodb.inc
--source include/have_debug_sync.inc

CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,1),(2,2);

CREATE TABLE t2 (c INT, d INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1), (2,2);

CREATE TABLE t3 (e INT) ENGINE=InnoDB;
CREATE TABLE t4 ENGINE=InnoDB AS SELECT * FROM t2;

--connect (con11,localhost,root,,test)

BEGIN;
UPDATE t1 SET a = 0 WHERE a = ( SELECT e FROM t3 );

--connect (con12,localhost,root,,test)

SET DEBUG_SYNC='srv_suspend_mysql_thread_enter SIGNAL waiting';

--send 
UPDATE t4 SET d = 1 WHERE d in ( SELECT a FROM t1 ) ORDER BY c LIMIT 6;

--connection con11

# Wait for con12 to start waiting for con11

SET DEBUG_SYNC='now WAIT_FOR waiting';
SET DEBUG_SYNC='RESET';

UPDATE t4 SET d = 9;

--connection con12
--error ER_LOCK_DEADLOCK
--reap
--connection con11
commit;
--connection default
--disconnect con12
--disconnect con11
drop table t1,t2,t3,t4;