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GET_LOCK/RELEASE_LOCK - Active Lock Holders
Posted by: Karl Bunch
Date: September 05, 2007 10:36AM

Ok I've been a user of MySql for eons and recently I've ran into a real nice use of GET_LOCK/RELEASE lock for some application scheduling. The problem is I can't find anything in the manual that tells how to 'list active locks' like maybe a "SHOW APPLICATION LOCKS".. I want to be able to see what locks are out there and what thread has them etc.. Short of GET_LOCK on every possible string known to man kind how can I get this info? Or is this a "feature" request.. lol

Dream:
Client A: SELECT GET_LOCK('SomeUnknownKey', 10);
Client B: SHOW APPLICATION LOCKS
+----------+------------------------+
| ThreadId | Key                    |
+----------+------------------------+
| 1234     | SomeUnknownKey         |
+----------+------------------------+

Am I dreaming or is this out there and I'm just not seeing it in the docs?

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GET_LOCK/RELEASE_LOCK - Active Lock Holders
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September 05, 2007 10:36AM


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