# Verify that after CHANGE MASTER, replication (I/O thread and SQL
# thread) restart from where SQL thread left, not from where
# I/O thread left (some old bug fixed in 4.0.17)

source include/master-slave.inc;

connection master;
# Make SQL slave thread advance a bit
create table t1(n int);
sync_slave_with_master;
select * from t1;
# Now stop it and make I/O slave thread be ahead
stop slave sql_thread;
connection master;
insert into t1 values(1);
insert into t1 values(2);
save_master_pos;
connection slave;
--real_sleep 3 # wait for I/O thread to have read updates
stop slave;
--vertical_results
#checking show slave status
let $status_items= Master_Host,Master_User,Connect_Retry,Master_Log_File,Relay_Master_Log_File,Slave_IO_Running,Slave_SQL_Running,Replicate_Do_DB,Replicate_Ignore_DB,Replicate_Do_Table,Replicate_Ignore_Table,Replicate_Wild_Do_Table,Replicate_Wild_Ignore_Table,Last_Errno,Last_Error,Skip_Counter,Exec_Master_Log_Pos,Until_Condition,Until_Log_File,Until_Log_Pos,Master_SSL_Allowed,Master_SSL_CA_File,Master_SSL_CA_Path,Master_SSL_Cert,Master_SSL_Cipher,Master_SSL_Key,Master_SSL_Verify_Server_Cert,Last_IO_Errno,Last_IO_Error,Last_SQL_Errno,Last_SQL_Error,Replicate_Ignore_Server_Ids,Master_Server_Id;
source include/show_slave_status.inc;

change master to master_user='root';
#checking show slave status
let $status_items= Master_Host,Master_User,Connect_Retry,Master_Log_File,Relay_Master_Log_File,Slave_IO_Running,Slave_SQL_Running,Replicate_Do_DB,Replicate_Ignore_DB,Replicate_Do_Table,Replicate_Ignore_Table,Replicate_Wild_Do_Table,Replicate_Wild_Ignore_Table,Last_Errno,Last_Error,Skip_Counter,Exec_Master_Log_Pos,Until_Condition,Until_Log_File,Until_Log_Pos,Master_SSL_Allowed,Master_SSL_CA_File,Master_SSL_CA_Path,Master_SSL_Cert,Master_SSL_Cipher,Master_SSL_Key,Master_SSL_Verify_Server_Cert,Last_IO_Errno,Last_IO_Error,Last_SQL_Errno,Last_SQL_Error,Replicate_Ignore_Server_Ids,Master_Server_Id;
source include/show_slave_status.inc;

start slave;
sync_with_master;
select * from t1;
connection master;
drop table t1;
save_master_pos;
connection slave;
sync_with_master;

# End of 4.1 tests
