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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
CALL mtr.add_suppression("Statement may not be safe to log in statement format.");
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
set @saved_global_binlog_format = @@global.binlog_format;
set @saved_local_binlog_format = @@session.binlog_format;
SET GLOBAL BINLOG_FORMAT = STATEMENT;
SET SESSION BINLOG_FORMAT = STATEMENT;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 LIKE t1;
select @@SESSION.BINLOG_FORMAT;
@@SESSION.BINLOG_FORMAT
STATEMENT
INSERT INTO t1 VALUES(1);
INSERT INTO t2 VALUES(2);
#
# Ensure that INSERT INTO .. SELECT FROM under SBR takes a read
# lock that will prevent the source table from being modified.
#
# con1
SELECT GET_LOCK('Bug#34306', 120);
GET_LOCK('Bug#34306', 120)
1
# con2
PREPARE stmt FROM "INSERT INTO t1 SELECT * FROM t2 WHERE GET_LOCK('Bug#34306', 120)";
EXECUTE stmt;;
# default
INSERT INTO t2 VALUES (3);;
# con1
SELECT RELEASE_LOCK('Bug#34306');
RELEASE_LOCK('Bug#34306')
1
# con2
Warnings:
Note 1592 Statement may not be safe to log in statement format.
SELECT RELEASE_LOCK('Bug#34306');
RELEASE_LOCK('Bug#34306')
1
# default
#
# Ensure that INSERT INTO .. SELECT FROM prepared under SBR does
# not prevent the source table from being modified if under RBR.
#
# con2
SET SESSION BINLOG_FORMAT = ROW;
# con1
SELECT GET_LOCK('Bug#34306', 120);
GET_LOCK('Bug#34306', 120)
1
# con2
EXECUTE stmt;;
# default
# con1
INSERT INTO t2 VALUES (4);
SELECT RELEASE_LOCK('Bug#34306');
RELEASE_LOCK('Bug#34306')
1
# con2
# default
# Show binlog events
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # use `test`; DROP TABLE IF EXISTS t1
master-bin.000001 # Query # # use `test`; DROP TABLE IF EXISTS t2
master-bin.000001 # Query # # use `test`; CREATE TABLE t1 (a INT)
master-bin.000001 # Query # # use `test`; CREATE TABLE t2 LIKE t1
master-bin.000001 # Query # # use `test`; INSERT INTO t1 VALUES(1)
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES(2)
master-bin.000001 # Query # # use `test`; INSERT INTO t1 SELECT * FROM t2 WHERE GET_LOCK('Bug#34306', 120)
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES (3)
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES (4)
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t1)
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
DROP TABLE t1;
DROP TABLE t2;
SET GLOBAL BINLOG_FORMAT = @saved_global_binlog_format;
SET SESSION BINLOG_FORMAT = @saved_local_binlog_format;
|
