stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
drop table if exists t1;
create table t1(n int primary key);
insert into t1 values (1),(2),(2);
Duplicate entry '2' for key 1
insert into t1 values (3);
select * from t1;
n
1
2
3
drop table t1;