mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
44 lines
1.2 KiB
Plaintext
44 lines
1.2 KiB
Plaintext
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;
|
|
# There is no point in testing REPLICATIION of the IS_*_LOCK
|
|
# functions; slave does not run with the same concurrency context as
|
|
# master (generally in slave we can't know that on master this lock
|
|
# was already held by another connection and so that the the
|
|
# get_lock() we're replicating timed out on master hence returned 0,
|
|
# or that the is_free_lock() we're playing returned 0 etc.
|
|
# But here all we do is test these functions outside of replication.
|
|
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
|