include/master-slave.inc
[connection master]
call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
connection master;
create user test;
grant all on test.* to test;
connection slave;
connect master2,127.0.0.1,test,,test,$MASTER_MYPORT,;
connect slave2,127.0.0.1,test,,test,$SLAVE_MYPORT,;
connection master1;
create table t1(a int) engine=InnoDB;
create table t2(a int) engine=MyISAM;
insert into t1 values(1001);
insert into t2 values(2001);
connection master; set global read_only=1;
connection master1;
select @@read_only;
@@read_only
ON
select * from t1;
a 1001
select * from t2;
a 2001
connection slave;
select @@read_only;
@@read_only
OFF
select * from t1;
a 1001
select * from t2;
a 2001
connection master; set global read_only=0;
connection master1;
BEGIN;
connection master2;
BEGIN;
connection master;
select @@read_only;
@@read_only
OFF set global read_only=1;
connection master1;
*** On SUPER USER connection ***
insert into t1 values(1002);
insert into t2 values(2002);
connection master2;
*** On regular USER connection ***
insert into t1 values(1003); ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
insert into t2 values(2003); ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
connection master1;
*** SUPER USER COMMIT (must succeed) ***
COMMIT;
connection master2;
*** regular USER COMMIT (must succeed - nothing to commit) ***
COMMIT;
connection master;
select @@read_only;
@@read_only
ON set global read_only=0;
connection master1;
insert into t1 values(1004);
insert into t2 values(2004);
select * from t1;
a 1001 1002 1004
select * from t2;
a 2001 2002 2004
connection slave;
select * from t1;
a 1001 1002 1004
select * from t2;
a 2001 2002 2004
connection slave1; set global read_only=1;
connection slave;
select @@read_only;
@@read_only
ON
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
connection master;
insert into t1 values(1005);
insert into t2 values(2005);
select * from t1;
a 1001 1002 1004 1005
select * from t2;
a 2001 2002 2004 2005
connection slave;
connection slave;
select * from t1;
a 1001 1002 1004 1005
select * from t2;
a 2001 2002 2004 2005
connection slave2;
insert into t1 values(1006); ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
insert into t2 values(2006); ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
#
# MDEV-30978: On slave XA COMMIT/XA ROLLBACK fail to return an error in read-only mode
#
# Where a read-only server permits writes through replication, it
# should not permit user connections to commit/rollback XA transactions
# prepared via replication. This test ensure this behavior is prohibited
#
connection master;
xa start '1';
insert into t1 values (1007);
xa end '1';
xa prepare '1';
connection slave;
connection slave2;
xa commit '1'; ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
xa rollback '1'; ERROR HY000: The MariaDB server is running with the --read-only=ON option so it cannot execute this statement
connection master;
xa rollback '1';
disconnect master2;
disconnect slave2;
connection master;
drop user test;
drop table t1;
drop table t2;
connection slave; set global read_only=0;
include/rpl_end.inc
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-10)
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