1 files changed, 67 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/deadlock_detect.test b/mysql-test/suite/innodb/t/deadlock_detect.test
new file mode 100644
index 00000000..babdb547
--- /dev/null
+++ b/mysql-test/suite/innodb/t/deadlock_detect.test
@@ -0,0 +1,67 @@
+#
+# wl#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER
+#
+
+--source include/have_innodb.inc
+--source include/not_embedded.inc
+--source include/count_sessions.inc
+
+SET GLOBAL innodb_deadlock_detect=OFF;
+SET GLOBAL innodb_lock_wait_timeout=2;
+
+connection default;
+
+CREATE TABLE t1(
+	id	INT,
+	PRIMARY KEY(id)
+) ENGINE=InnoDB;
+
+INSERT INTO t1 VALUES(1), (2), (3);
+
+# We are not interested query results, only errors
+--disable_result_log
+BEGIN;
+
+SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
+
+connect (con1,localhost,root,,);
+
+BEGIN;
+
+SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
+
+send SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
+
+connection default;
+send SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
+
+connection con1;
+--error ER_LOCK_WAIT_TIMEOUT
+reap;
+
+ROLLBACK;
+
+#
+# Note here that con1 is the older transaction as it
+# query started wait first. Thus, con1 gets lock
+# wait timeout first. There is possibility that
+# default connection gets lock timeout also or
+# as con1 is rolled back it gets the locks it waited
+# and does the update.
+#
+connection default;
+--error 0,ER_LOCK_WAIT_TIMEOUT
+reap;
+
+ROLLBACK;
+
+--enable_result_log
+
+DROP TABLE t1;
+
+disconnect con1;
+
+--source include/wait_until_count_sessions.inc
+
+SET GLOBAL innodb_lock_wait_timeout=default;
+SET GLOBAL innodb_deadlock_detect=default;