64 lines
1.6 KiB
Plaintext
64 lines
1.6 KiB
Plaintext
-- source include/have_log_bin.inc
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-- source include/have_innodb.inc
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-- source include/not_binlog_format_row.inc
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--echo #
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--echo # Bug #39022: Mysql randomly crashing in lock_sec_rec_cons_read_sees
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--echo #
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CREATE TABLE t1(a TINYINT NOT NULL,b TINYINT,PRIMARY KEY(b)) ENGINE=innodb;
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CREATE TABLE t2(d TINYINT NOT NULL,UNIQUE KEY(d)) ENGINE=innodb;
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INSERT INTO t1 VALUES (13,0),(8,1),(9,2),(6,3),
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(11,5),(11,6),(7,7),(7,8),(4,9),(6,10),(3,11),(11,12),
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(12,13),(7,14);
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INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
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(11),(12),(13),(14);
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connect (thread1, localhost, root,,);
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connect (thread2, localhost, root,,);
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connection thread1;
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--echo # in thread1
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START TRANSACTION;
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connection thread2;
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--echo # in thread2
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REPLACE INTO t2 VALUES (-17);
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SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE;
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connection thread1;
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--echo # in thread1
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REPLACE INTO t1(a,b) VALUES (67,20);
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connection thread2;
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--echo # in thread2
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COMMIT;
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START TRANSACTION;
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REPLACE INTO t1(a,b) VALUES (65,-50);
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REPLACE INTO t2 VALUES (-91);
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send;
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SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; #waits
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connection thread1;
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--echo # in thread1
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--echo # should not crash
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--error ER_LOCK_DEADLOCK
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SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; #crashes
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connection thread2;
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--echo # in thread2
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REAP;
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disconnect thread2;
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--source include/wait_until_disconnected.inc
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connection thread1;
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--echo # in thread1;
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disconnect thread1;
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--source include/wait_until_disconnected.inc
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connection default;
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DROP TABLE t1,t2;
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