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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
commit06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/suite/innodb/r/deadlock_victim_race.result
parentInitial commit. (diff)
downloadmariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz
mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/suite/innodb/r/deadlock_victim_race.result')
-rw-r--r--mysql-test/suite/innodb/r/deadlock_victim_race.result46
1 files changed, 46 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/r/deadlock_victim_race.result b/mysql-test/suite/innodb/r/deadlock_victim_race.result
new file mode 100644
index 00000000..061edc77
--- /dev/null
+++ b/mysql-test/suite/innodb/r/deadlock_victim_race.result
@@ -0,0 +1,46 @@
+connect cancel_purge,localhost,root,,;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+connection default;
+CREATE TABLE t (a int PRIMARY KEY, b int) engine = InnoDB;
+CREATE TABLE t2 (a int PRIMARY KEY) engine = InnoDB;
+INSERT INTO t VALUES (10, 10), (20, 20), (30, 30);
+INSERT INTO t2 VALUES (10), (20), (30);
+BEGIN;
+SELECT * FROM t WHERE a = 20 FOR UPDATE;
+a b
+20 20
+connect con_2,localhost,root,,;
+SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
+BEGIN;
+SET DEBUG_SYNC = 'lock_trx_handle_wait_enter SIGNAL upd_locked WAIT_FOR upd_cont EXECUTE 2';
+UPDATE t SET b = 100;
+connect con_3,localhost,root,,;
+BEGIN;
+UPDATE t2 SET a = a + 100;
+SELECT * FROM t WHERE a = 30 FOR UPDATE;
+a b
+30 30
+SET DEBUG_SYNC='now WAIT_FOR upd_locked';
+SET DEBUG_SYNC = 'lock_wait_start SIGNAL sel_locked';
+SELECT * FROM t WHERE a = 20 FOR UPDATE;
+connection default;
+SET DEBUG_SYNC='now WAIT_FOR sel_locked';
+ROLLBACK;
+SET DEBUG_SYNC='now SIGNAL upd_cont';
+SET DEBUG_SYNC="now WAIT_FOR upd_locked";
+SET SESSION innodb_lock_wait_timeout=1;
+SELECT * FROM t WHERE a = 10 FOR UPDATE;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+SET DEBUG_SYNC="now SIGNAL upd_cont";
+connection con_3;
+a b
+20 20
+connection con_2;
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+disconnect con_3;
+disconnect con_2;
+connection default;
+SET DEBUG_SYNC = 'RESET';
+DROP TABLE t;
+DROP TABLE t2;
+disconnect cancel_purge;