MySQL数据库

开发平台：

Visual C++

rpl_get_lock.test：源码内容

							source include/master-slave.inc;
create table t1(n int);
insert into t1 values(get_lock("lock",2));
dirty_close master;
connection master1;
select get_lock("lock",2);
select release_lock("lock");
#ignore 
disable_query_log;
let $1=2000;
while ($1)
{
  do get_lock("lock",2);
  do release_lock("lock");
  dec $1;
}
enable_query_log;
save_master_pos;
connection slave;
sync_with_master;
select get_lock("lock",3);
select * from t1;
select is_free_lock("lock"), is_used_lock("lock") = connection_id();
explain extended select is_free_lock("lock"), is_used_lock("lock");
# Check lock functions
select is_free_lock("lock2");
select is_free_lock(NULL);
connection master1;
drop table t1;
save_master_pos;
connection slave;
sync_with_master;
# End of 4.1 tests

						