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# Test case for BUG #11733
-- source include/have_innodb.inc
-- source include/master-slave.inc
call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
# Create a test and replicate it to slave
connection master;
create user test;
grant all on test.* to test;
sync_slave_with_master;
# Setting the master readonly :
# - the variable @@readonly is not replicated on the 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;
select * from t1;
select * from t2;
sync_slave_with_master;
select @@read_only;
select * from t1;
select * from t2;
# - replication of transactions
connection master;
set global read_only=0;
connection master1;
BEGIN;
connection master2;
BEGIN;
connection master;
select @@read_only;
set global read_only=1;
connection master1;
-- echo *** On SUPER USER connection ***
insert into t1 values(1002);
--disable_warnings
insert into t2 values(2002);
--enable_warnings
connection master2;
-- echo *** On regular USER connection ***
--error ER_OPTION_PREVENTS_STATEMENT
insert into t1 values(1003);
--error ER_OPTION_PREVENTS_STATEMENT
insert into t2 values(2003);
connection master1;
## works even with read_only=1, because master1 is root
-- echo *** SUPER USER COMMIT (must succeed) ***
COMMIT;
connection master2;
-- echo *** regular USER COMMIT (must succeed - nothing to commit) ***
COMMIT;
connection master;
select @@read_only;
set global read_only=0;
connection master1;
insert into t1 values(1004);
insert into t2 values(2004);
select * from t1;
select * from t2;
sync_slave_with_master;
select * from t1;
select * from t2;
# Setting the slave readonly : replication will pass
#
connection slave1;
set global read_only=1;
connection slave;
select @@read_only;
# Make sure the replicated table is also transactional
show create table t1;
# Make sure the replicated table is not transactional
show create table t2;
connection master;
insert into t1 values(1005);
insert into t2 values(2005);
select * from t1;
select * from t2;
sync_slave_with_master;
connection slave;
select * from t1;
select * from t2;
# Non root user can not write on the slave
connection slave2;
--error ER_OPTION_PREVENTS_STATEMENT
insert into t1 values(1006);
--error ER_OPTION_PREVENTS_STATEMENT
insert into t2 values(2006);
--echo #
--echo # MDEV-30978: On slave XA COMMIT/XA ROLLBACK fail to return an error in read-only mode
--echo #
--echo # Where a read-only server permits writes through replication, it
--echo # should not permit user connections to commit/rollback XA transactions
--echo # prepared via replication. This test ensure this behavior is prohibited
--echo #
# Note: slave's read_only=1 is set prior to this test case
connection master;
xa start '1';
insert into t1 values (1007);
xa end '1';
xa prepare '1';
sync_slave_with_master;
connection slave2;
--error ER_OPTION_PREVENTS_STATEMENT
xa commit '1';
--error ER_OPTION_PREVENTS_STATEMENT
xa rollback '1';
connection master;
xa rollback '1';
## Cleanup
connection master;
drop user test;
drop table t1;
drop table t2;
sync_slave_with_master;
set global read_only=0;
--source include/rpl_end.inc
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