flush_read_lock_kill.result

来自「视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.」· RESULT 代码 · 共 10 行

drop table if exists t1;
create table t1 (kill_id int);
insert into t1 values(connection_id());
flush tables with read lock;
select ((@id := kill_id) - kill_id) from t1;
((@id := kill_id) - kill_id)
0
kill connection @id;
drop table t1;