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CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
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')
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# con2
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave.
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` /* generated by server */
master-bin.000001 # Query # # use `test`; DROP TABLE IF EXISTS `t2` /* generated by server */
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 # # BEGIN
master-bin.000001 # Query # # use `test`; INSERT INTO t1 VALUES(1)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES(2)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Query # # use `test`; INSERT INTO t1 SELECT * FROM t2 WHERE GET_LOCK('Bug#34306', 120)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES (3)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Query # # use `test`; INSERT INTO t2 VALUES (4)
master-bin.000001 # Query # # COMMIT
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;
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