# 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