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;
create table t1 (a int primary key);
insert into t1 values (1),(1);
ERROR 23000: Duplicate entry '1' for key 1
show slave status;
Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	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	Relay_Log_Space	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	Seconds_Behind_Master
#	127.0.0.1	root	MASTER_PORT	1	master-bin.000001	269	#	#	master-bin.000001	Yes	Yes							0		0	269	#	None		0	No						#
show tables like 't1';
Tables_in_test (t1)
t1
drop table t1;
select get_lock('crash_lock%20C', 10);
get_lock('crash_lock%20C', 10)
1
create table t2 (a int primary key);
insert into t2 values(1);
create table t3 (id int);
insert into t3 values(connection_id());
 update t2 set a = a + 1 + get_lock('crash_lock%20C', 10);
select (@id := id) - id from t3;
(@id := id) - id
0
kill @id;
drop table t2,t3;
show binlog events from 102;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	Query	1	#	#
master-bin.000001	#	Table_map	1	#	#
master-bin.000001	#	Write_rows	1	#	#
master-bin.000001	#	Query	1	#	#
master-bin.000001	#	Query	1	#	#
master-bin.000001	#	Table_map	1	#	#
master-bin.000001	#	Write_rows	1	#	#
master-bin.000001	#	Query	1	#	#
master-bin.000001	#	Table_map	1	#	#
master-bin.000001	#	Write_rows	1	#	#
master-bin.000001	#	Table_map	1	#	#
master-bin.000001	#	Update_rows	1	#	#
master-bin.000001	#	Query	1	#	#