blob: def975af6dd7f876a68464481fc2a04d15ff5c64 (
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
|
drop table if exists t1;
CREATE TABLE t1(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
k INT,
c CHAR(1),
UNIQUE KEY(k)) ENGINE=InnoDB;
#
# Connection 1
#
SET DEBUG_SYNC='ha_write_row_end SIGNAL continue2 WAIT_FOR continue1';
affected rows: 0
INSERT INTO t1(k) VALUES (1), (2), (3) ON DUPLICATE KEY UPDATE c='1';
#
# Connection 2
#
SET DEBUG_SYNC='ha_write_row_start WAIT_FOR continue2';
affected rows: 0
SET DEBUG_SYNC='after_mysql_insert SIGNAL continue1';
affected rows: 0
INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
affected rows: 3
info: Records: 3 Duplicates: 0 Warnings: 0
affected rows: 4
info: Records: 3 Duplicates: 1 Warnings: 0
SET DEBUG_SYNC='RESET';
SELECT * FROM t1 ORDER BY k;
id k c
1 1 NULL
4 2 1
2 3 NULL
5 4 NULL
6 5 NULL
DROP TABLE t1;
|
