mariadb/mysql-test/t/rpl000016.test

connect (master,localhost,root,,test,0,master.sock);
connect (slave,localhost,root,,test,0,slave.sock);
system cat /dev/null > var/slave-data/master.info;
system chmod 000 var/slave-data/master.info;
connection slave;
!slave start;
system chmod 600 var/slave-data/master.info;
!slave start;
--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
!eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT,
 master_user='root'; 
reset slave;
--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT,
 master_user='root'; 
connection master;
reset master;
connection slave;
slave start;
connection master;
drop table if exists t1;
create table t1 (s text);
insert into t1 values('Could not break slave'),('Tried hard');
save_master_pos;
connection slave;
sync_with_master;
--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
show slave status;
select * from t1;
connection master;
flush logs;
drop table if exists t2;
create table t2(m int not null auto_increment primary key);
insert into t2 values (34),(67),(123);
save_master_pos;
flush logs;
show master logs;

#now lets make some duplicate key mess and see if we can recover from it

#first insert a value on the slave
connection slave;
sync_with_master;
insert into t2 values(1234);

#same value on the master
connection master;
save_master_pos;
set insert_id=1234;
insert into t2 values(NULL);
connection slave;
sync_with_master;

wait_for_slave_to_stop;

#restart slave skipping one event
set global sql_slave_skip_counter=1;
slave start;

connection master;
save_master_pos;

#let slave catch up
connection slave;
sync_with_master;
connection master;
purge master logs to 'master-bin.003';
show master logs;
insert into t2 values (65);
save_master_pos;
connection slave;
sync_with_master;
--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
show slave status;
select * from t2;
connection master;
let $1=100;
drop table if exists t3;
create table t3 (n int);
disable_query_log;
while ($1)
{
#eval means expand $ expressions
 eval insert into t3 values($1 + 4);
 dec $1;
}
enable_query_log;
show master logs;
show master status;
save_master_pos;
connection slave;
slave stop;
slave start;
sync_with_master;
--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
show slave status;
# because of concurrent insert, the table may not be up to date
# if we do not lock
lock tables t3 read;
select count(*) from t3 where n >= 4;
unlock tables;
#clean up
connection master;
drop table if exists t1,t2,t3;
save_master_pos;
connection slave;
sync_with_master;