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include/master-slave.inc
[connection master]
set sql_mode="";
set sql_mode="";
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
call mtr.add_suppression("Unsafe statement written to the binary log*");
CREATE TABLE t1 (a bigint unsigned not null);
CREATE TABLE t2 (a char(255) not null);
There are the following types of variables:
1) variables that are NOT replicated correctly when using STATEMENT mode;
[connection master]
SELECT @@max_join_size;
@@max_join_size
18446744073709551615
[connection slave]
SELECT @@max_join_size;
@@max_join_size
18446744073709551615
[connection master]
SET STATEMENT max_join_size=2 FOR
INSERT INTO t1 VALUES(@@max_join_size);
SELECT @@max_join_size;
@@max_join_size
18446744073709551615
[connection slave]
SELECT * FROM t1;
a
18446744073709551615
SELECT @@max_join_size;
@@max_join_size
18446744073709551615
[connection master]
DELETE FROM t1;
2) variables thar ARE replicated correctly
They must be replicated correctly with "SET STATEMENT" too.
[connection master]
SELECT @@auto_increment_increment;
@@auto_increment_increment
1
[connection slave]
SELECT @@auto_increment_increment;
@@auto_increment_increment
1
[connection master]
SET STATEMENT auto_increment_increment=10 FOR
INSERT INTO t1 VALUES(@@auto_increment_increment);
SELECT @@auto_increment_increment;
@@auto_increment_increment
1
[connection slave]
SELECT * FROM t1;
a
10
SELECT @@auto_increment_increment;
@@auto_increment_increment
1
[connection master]
DELETE FROM t1;
3) sql_mode which is replicated correctly exept NO_DIR_IN_CREATE value;
[connection master]
SELECT @@sql_mode;
@@sql_mode
[connection slave]
SELECT @@sql_mode;
@@sql_mode
[connection master]
SET STATEMENT sql_mode='ERROR_FOR_DIVISION_BY_ZERO' FOR
INSERT INTO t2 VALUES(@@sql_mode);
SELECT @@sql_mode;
@@sql_mode
[connection slave]
SELECT * FROM t2;
a
ERROR_FOR_DIVISION_BY_ZERO
SELECT @@sql_mode;
@@sql_mode
[connection master]
DELETE FROM t2;
[connection master]
SELECT @@sql_mode;
@@sql_mode
[connection slave]
SELECT @@sql_mode;
@@sql_mode
[connection master]
SET STATEMENT sql_mode='NO_DIR_IN_CREATE' FOR
INSERT INTO t2 VALUES(@@sql_mode);
SELECT @@sql_mode;
@@sql_mode
[connection slave]
SELECT * FROM t2;
a
SELECT @@sql_mode;
@@sql_mode
[connection master]
DELETE FROM t2;
4) variables that are not replicated at all:
default_storage_engine, storage_engine, max_heap_table_size
[connection master]
SELECT @@max_heap_table_size;
@@max_heap_table_size
1048576
[connection slave]
SELECT @@max_heap_table_size;
@@max_heap_table_size
1048576
[connection master]
SET STATEMENT max_heap_table_size=16384 FOR
INSERT INTO t1 VALUES(@@max_heap_table_size);
SELECT @@max_heap_table_size;
@@max_heap_table_size
1048576
[connection slave]
SELECT * FROM t1;
a
1048576
SELECT @@max_heap_table_size;
@@max_heap_table_size
1048576
[connection master]
DELETE FROM t1;
DROP TABLE t1;
DROP TABLE t2;
include/stop_slave.inc
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