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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/suite/innodb/t/deadlock_detect.test
parentInitial commit. (diff)
downloadmariadb-upstream.tar.xz
mariadb-upstream.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/suite/innodb/t/deadlock_detect.test')
-rw-r--r--mysql-test/suite/innodb/t/deadlock_detect.test79
1 files changed, 79 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/deadlock_detect.test b/mysql-test/suite/innodb/t/deadlock_detect.test
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+#
+# wl#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER
+#
+
+--source include/have_innodb.inc
+--source include/count_sessions.inc
+
+let $have_deadlock=`select @@GLOBAL.innodb_deadlock_detect`;
+
+connection default;
+
+CREATE TABLE t1(
+ id INT,
+ PRIMARY KEY(id)
+) ENGINE=InnoDB;
+
+INSERT INTO t1 VALUES(1), (2), (3);
+
+# We are not interested query results, only errors
+--disable_result_log
+BEGIN;
+
+SELECT * FROM t1 WHERE id = 1 LOCK IN SHARE MODE;
+
+connect (con1,localhost,root,,);
+BEGIN;
+SELECT * FROM t1 WHERE id = 2 LOCK IN SHARE MODE;
+
+connect (con2,localhost,root,,);
+BEGIN;
+SELECT * FROM t1 WHERE id = 2 LOCK IN SHARE MODE;
+
+send SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
+
+connection default;
+send SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
+
+connection con2;
+if (!$have_deadlock) {
+--error ER_LOCK_WAIT_TIMEOUT
+reap;
+disconnect con1;
+}
+if ($have_deadlock) {
+connection con1;
+COMMIT;
+disconnect con1;
+connection con2;
+--error 0,ER_LOCK_DEADLOCK,ER_LOCK_WAIT_TIMEOUT
+reap;
+}
+ROLLBACK;
+disconnect con2;
+
+#
+# Note here that con1 is the older transaction as it
+# query started wait first. Thus, con1 gets lock
+# wait timeout first. There is possibility that
+# default connection gets lock timeout also or
+# as con1 is rolled back it gets the locks it waited
+# and does the update.
+#
+connection default;
+if (!$have_deadlock) {
+--error 0,ER_LOCK_WAIT_TIMEOUT
+reap;
+}
+if ($have_deadlock) {
+--error 0,ER_LOCK_DEADLOCK
+reap;
+}
+
+ROLLBACK;
+
+--enable_result_log
+
+DROP TABLE t1;
+
+--source include/wait_until_count_sessions.inc