summaryrefslogtreecommitdiff
path: root/mysql-test/suite/innodb/t/lock_delete_updated.test
blob: 4621d5fcd2b7c5c27168530963509af09877ed9b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
--source include/have_innodb.inc
--source include/count_sessions.inc

CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t VALUES (3);

BEGIN;

connection default;
UPDATE t SET a = 2;

connect con1,localhost,root;
send DELETE FROM t;

connection default;
let $wait_condition=
    select count(*) = 1 from information_schema.processlist
    where state = "Updating" and info = "DELETE FROM t";
--source include/wait_condition.inc

UPDATE t SET a = 1;
COMMIT;

connection con1;
error ER_LOCK_DEADLOCK;
reap;
disconnect con1;

connection default;
--echo # The above DELETE must delete all the rows in the table, so the
--echo # following SELECT must show 0 rows.
SELECT count(*) FROM t;
DROP TABLE t;
--source include/wait_until_count_sessions.inc