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#
# Bug #39022: Mysql randomly crashing in lock_sec_rec_cons_read_sees
#
call mtr.add_suppression("Deadlock found when trying to get lock; try restarting transaction");
CREATE TABLE t1(a TINYINT NOT NULL,b TINYINT,PRIMARY KEY(b)) ENGINE=innodb;
CREATE TABLE t2(d TINYINT NOT NULL,UNIQUE KEY(d)) ENGINE=innodb;
INSERT INTO t1 VALUES (13,0),(8,1),(9,2),(6,3),
(11,5),(11,6),(7,7),(7,8),(4,9),(6,10),(3,11),(11,12),
(12,13),(7,14);
INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
(11),(12),(13),(14);
connect thread1, localhost, root,,;
connect thread2, localhost, root,,;
connection thread1;
START TRANSACTION;
connection thread2;
REPLACE INTO t2 VALUES (-17);
SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE;
d
connection thread1;
REPLACE INTO t1(a,b) VALUES (67,20);
connection thread2;
COMMIT;
START TRANSACTION;
REPLACE INTO t1(a,b) VALUES (65,-50);
REPLACE INTO t2 VALUES (-91);
SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE;
connection thread1;
# should not crash
SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE;
Got one of the listed errors
connection thread2;
d
disconnect thread2;
connection thread1;
disconnect thread1;
connection default;
DROP TABLE t1,t2;
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