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;
show variables like 'init_slave';
Variable_name	Value
init_slave	set global max_connections=500
show variables like 'max_connections';
Variable_name	Value
max_connections	500
reset master;
show variables like 'init_slave';
Variable_name	Value
init_slave	
show variables like 'max_connections';
Variable_name	Value
max_connections	100
set @my_global_init_connect= @@global.init_connect;
set global init_connect="set @c=1";
show variables like 'init_connect';
Variable_name	Value
init_connect	set @c=1
stop slave;
set global init_connect= @my_global_init_connect;
set global max_connections= default;
